/* SEUM | site styles */
@font-face { font-family: "Readex Pro"; font-weight: 300; font-display: swap; src: url(../fonts/readex-pro-arabic-300-normal.woff2) format("woff2"); unicode-range: U+0600-06FF, U+0750-077F, U+0870-088E, U+0890-0891, U+0898-08E1, U+08E3-08FF, U+200C-200E, U+2010-2011, U+204F, U+2E41, U+FB50-FDFF, U+FE70-FE74, U+FE76-FEFC; }
@font-face { font-family: "Readex Pro"; font-weight: 400; font-display: swap; src: url(../fonts/readex-pro-arabic-400-normal.woff2) format("woff2"); unicode-range: U+0600-06FF, U+0750-077F, U+0870-088E, U+0890-0891, U+0898-08E1, U+08E3-08FF, U+200C-200E, U+2010-2011, U+204F, U+2E41, U+FB50-FDFF, U+FE70-FE74, U+FE76-FEFC; }
@font-face { font-family: "Readex Pro"; font-weight: 500; font-display: swap; src: url(../fonts/readex-pro-arabic-500-normal.woff2) format("woff2"); unicode-range: U+0600-06FF, U+0750-077F, U+0870-088E, U+0890-0891, U+0898-08E1, U+08E3-08FF, U+200C-200E, U+2010-2011, U+204F, U+2E41, U+FB50-FDFF, U+FE70-FE74, U+FE76-FEFC; }
@font-face { font-family: "Readex Pro"; font-weight: 600; font-display: swap; src: url(../fonts/readex-pro-arabic-600-normal.woff2) format("woff2"); unicode-range: U+0600-06FF, U+0750-077F, U+0870-088E, U+0890-0891, U+0898-08E1, U+08E3-08FF, U+200C-200E, U+2010-2011, U+204F, U+2E41, U+FB50-FDFF, U+FE70-FE74, U+FE76-FEFC; }
@font-face { font-family: "Readex Pro"; font-weight: 700; font-display: swap; src: url(../fonts/readex-pro-arabic-700-normal.woff2) format("woff2"); unicode-range: U+0600-06FF, U+0750-077F, U+0870-088E, U+0890-0891, U+0898-08E1, U+08E3-08FF, U+200C-200E, U+2010-2011, U+204F, U+2E41, U+FB50-FDFF, U+FE70-FE74, U+FE76-FEFC; }
@font-face { font-family: "Readex Pro"; font-weight: 300; font-display: swap; src: url(../fonts/readex-pro-latin-300-normal.woff2) format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD, U+2190-2199; }
@font-face { font-family: "Readex Pro"; font-weight: 400; font-display: swap; src: url(../fonts/readex-pro-latin-400-normal.woff2) format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD, U+2190-2199; }
@font-face { font-family: "Readex Pro"; font-weight: 500; font-display: swap; src: url(../fonts/readex-pro-latin-500-normal.woff2) format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD, U+2190-2199; }
@font-face { font-family: "Readex Pro"; font-weight: 600; font-display: swap; src: url(../fonts/readex-pro-latin-600-normal.woff2) format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD, U+2190-2199; }
@font-face { font-family: "Readex Pro"; font-weight: 700; font-display: swap; src: url(../fonts/readex-pro-latin-700-normal.woff2) format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD, U+2190-2199; }
@font-face { font-family: "Plex Mono"; font-weight: 400; font-display: swap; src: url(../fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2"); }
@font-face { font-family: "Plex Mono"; font-weight: 500; font-display: swap; src: url(../fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2"); }

/* ================================================================
   SEUM brand system (Brand Guideline 2023)
   Palette: #24C0D7 cyan · #086483 blue · #16A092 teal · #08804C green · #FFFFFF
   Signature: horizontal cyan→green gradient, the ring (negative space of س), capsules.
   Layout: white pages with gradient bands and deep-blue technical bands.
   Night mode: html[data-mode="dark"]; deep bands reuse the dark tokens via .theme-dark.
   ================================================================ */
:root {
  color-scheme: light;
  --cyan: #24c0d7;
  --blue: #086483;
  --teal: #16a092;
  --green: #08804c;
  --white: #ffffff;
  --grad: linear-gradient(90deg, #24c0d7 0%, #16a092 50%, #08804c 100%);
  --grad-d: linear-gradient(135deg, #24c0d7 0%, #16a092 50%, #08804c 100%);

  /* light surfaces */
  --bg: #ffffff;
  --bg-soft: #f2fbfd;
  --surface: #ffffff;
  --surface-2: #f5f9fa;
  --surface-3: #ebf3f5;
  --line: #dfebef;
  --line-2: #d0e2e8;
  --line-3: #b5d2da;
  --heading: #086483;
  --ink: #0a2f3c;
  --text: #2d4c57;
  --muted: #557681;
  --dim: #7c98a1;
  --eyebrow: #08804c;
  --link: #086483;
  --hl: #16a092;
  --icon: #16a092;
  --on-accent: #03303d;
  --grad-text: linear-gradient(95deg, #086483 0%, #16a092 55%, #08804c 100%);
  --btn-bg: #086483;
  --btn-bg-h: #07566f;
  --btn-ink: #ffffff;
  --btn-shadow: 0 14px 30px -14px rgba(8, 100, 131, 0.6);
  --tint: rgba(36, 192, 215, 0.1);
  --tint-2: rgba(36, 192, 215, 0.16);
  --tint-line: rgba(22, 160, 146, 0.35);
  --shadow: 0 1px 2px rgba(6, 60, 78, 0.05), 0 12px 32px -18px rgba(6, 60, 78, 0.28);
  --shadow-lg: 0 50px 100px -40px rgba(3, 48, 61, 0.45), 0 18px 40px -24px rgba(3, 48, 61, 0.35);
  --header-bg: rgba(255, 255, 255, 0.95);
  --map-base: rgba(8, 100, 131, 0.09);
  --map-node: #16a092;
  --map-bus: #086483;
  --grid: rgba(8, 100, 131, 0.07);
  --dot: rgba(8, 100, 131, 0.14);
  --bp-bg: #f4fafb;
  --bp-line: #086483;
  --bp-thin: rgba(8, 100, 131, 0.45);
  --bp-glass: rgba(36, 192, 215, 0.1);
  --bp-wheel: #ffffff;
  --field-bg: #ffffff;
  --err: #a1283b;
  --ok: #08804c;
  --band-bg: transparent;

  /* hero (gradient band in light mode) */
  --hero-bg: linear-gradient(var(--hero-dir, 90deg), #24c0d7 0%, #16a092 52%, #08804c 100%);
  --hero-shade: linear-gradient(var(--hero-dir, 90deg), rgba(3, 48, 61, 0) 35%, rgba(3, 48, 61, 0.26) 100%);
  --hero-ink: #ffffff;
  --hero-sub: rgba(255, 255, 255, 0.92);
  --hero-line: rgba(255, 255, 255, 0.4);
  --hero-ring: rgba(255, 255, 255, 0.14);
  --hbtn-bg: #ffffff;
  --hbtn-ink: #086483;
  --hbtn-shadow: 0 16px 34px -16px rgba(3, 48, 61, 0.55);

  --r-xl: 28px;
  --r-lg: 20px;
  --r-md: 14px;
  --header: 76px;
  --font: "Readex Pro", "Segoe UI", Tahoma, sans-serif;
  --mono: "Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --wrap: 1260px;
}
[dir="ltr"] { --hero-dir: 270deg; }

html[data-mode="dark"], .theme-dark {
  color-scheme: dark;
  --bg: #03141b;
  --bg-soft: #051c25;
  --surface: #0a2833;
  --surface-2: #061f28;
  --surface-3: rgba(255, 255, 255, 0.07);
  --line: rgba(160, 225, 236, 0.11);
  --line-2: rgba(160, 225, 236, 0.19);
  --line-3: rgba(160, 225, 236, 0.3);
  --heading: #f2f9fb;
  --ink: #f2f9fb;
  --text: #d3e5ea;
  --muted: #a3bdc5;
  --dim: #6d8c96;
  --eyebrow: #24c0d7;
  --link: #24c0d7;
  --hl: #24c0d7;
  --icon: #24c0d7;
  --on-accent: #01212b;
  --grad-text: linear-gradient(100deg, #5fd6e6 0%, #24c0d7 35%, #16a092 100%);
  --btn-bg: linear-gradient(110deg, #3fd0e3, #24c0d7 40%, #16a092);
  --btn-bg-h: linear-gradient(110deg, #5fd6e6, #24c0d7 40%, #16a092);
  --btn-ink: #01212b;
  --btn-shadow: 0 14px 36px -14px rgba(36, 192, 215, 0.8);
  --tint: rgba(36, 192, 215, 0.1);
  --tint-2: rgba(36, 192, 215, 0.18);
  --tint-line: rgba(36, 192, 215, 0.4);
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.02) inset, 0 20px 50px -30px rgba(0, 0, 0, 0.8);
  --shadow-lg: 0 60px 120px -40px rgba(0, 0, 0, 0.85), 0 0 80px -30px rgba(36, 192, 215, 0.3);
  --header-bg: rgba(3, 20, 27, 0.82);
  --map-base: rgba(160, 225, 236, 0.08);
  --map-node: #24c0d7;
  --map-bus: #ffffff;
  --grid: rgba(160, 225, 236, 0.05);
  --dot: rgba(160, 225, 236, 0.13);
  --bp-bg: #041821;
  --bp-line: rgba(95, 214, 230, 0.85);
  --bp-thin: rgba(95, 214, 230, 0.45);
  --bp-glass: rgba(36, 192, 215, 0.08);
  --bp-wheel: #041821;
  --field-bg: rgba(2, 17, 23, 0.7);
  --err: #ffc9d0;
  --ok: #b3f1e6;
  --band-bg: linear-gradient(180deg, #06303f 0%, #04212b 100%);

  --hero-bg: radial-gradient(50% 60% at 80% 10%, rgba(36, 192, 215, 0.22), transparent 70%), radial-gradient(40% 50% at 10% 30%, rgba(22, 160, 146, 0.16), transparent 70%), #03141b;
  --hero-shade: none;
  --hero-ink: #f2f9fb;
  --hero-sub: #a3bdc5;
  --hero-line: rgba(160, 225, 236, 0.22);
  --hero-ring: rgba(36, 192, 215, 0.08);
  --hbtn-bg: linear-gradient(110deg, #3fd0e3, #24c0d7 40%, #16a092);
  --hbtn-ink: #01212b;
  --hbtn-shadow: 0 14px 36px -14px rgba(36, 192, 215, 0.8);
}
html[data-mode="dark"] .theme-dark { --band-bg: linear-gradient(180deg, #062a37 0%, #041c25 100%); }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; background: var(--bg); }
html.lock { overflow: hidden; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); font-size: 16px; line-height: 1.75; -webkit-font-smoothing: antialiased; overflow-x: clip; transition: background-color 0.3s; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
::selection { background: rgba(36, 192, 215, 0.3); }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; border-radius: 8px; }
bdi, .ltr { unicode-bidi: isolate; }
.ltr { direction: ltr; display: inline-block; }
.mono { font-family: var(--mono); letter-spacing: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.wrap { width: min(var(--wrap), 100%); margin-inline: auto; padding-inline: clamp(1.15rem, 4.5vw, 2.5rem); }
[dir="rtl"] .flip { transform: scaleX(-1); }
.flipx { transform: scaleX(-1); }
.skip { position: absolute; inset-inline-start: 1rem; top: -5rem; z-index: 200; padding: 0.6rem 1rem; border-radius: 10px; background: var(--blue); color: #fff; font-weight: 600; }
.skip:focus { top: 1rem; }

/* brand ring: the negative-space circle of س, used as a cropped thick arc */
.ring { position: absolute; z-index: 0; aspect-ratio: 1; border-radius: 50%; pointer-events: none; background: var(--ring-fill, var(--grad-d)); -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - var(--rw, 56px)), #000 calc(100% - var(--rw, 56px) + 1px)); mask: radial-gradient(farthest-side, transparent calc(100% - var(--rw, 56px)), #000 calc(100% - var(--rw, 56px) + 1px)); }

/* buttons: capsules, as the guideline swatches */
.btn { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem; min-height: 50px; padding: 0.75rem 1.55rem; border-radius: 999px; border: 1px solid transparent; font-weight: 600; font-size: 0.98rem; line-height: 1.2; white-space: nowrap; cursor: pointer; transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s, border-color 0.3s, color 0.3s; }
.btn:hover { transform: translateY(-2px); }
.btn svg { flex: none; }
.btn-primary { background: var(--btn-bg); color: var(--btn-ink); box-shadow: var(--btn-shadow); }
.btn-primary:hover { background: var(--btn-bg-h); }
.btn-ghost { background: transparent; border-color: var(--line-2); color: var(--ink); }
.btn-ghost:hover { border-color: var(--teal); color: var(--link); }
.btn-sm { min-height: 42px; padding: 0.5rem 1.1rem; font-size: 0.9rem; }
.btn-lg { min-height: 56px; padding: 0.9rem 1.8rem; font-size: 1.02rem; }
.btn .play { display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px; border-radius: 50%; background: rgba(255, 255, 255, 0.18); }

.pill { display: inline-flex; align-items: center; gap: 0.55rem; padding: 0.4rem 1rem 0.4rem 0.8rem; border-radius: 999px; font-size: 0.86rem; }
.live { position: relative; display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 0 rgba(36, 192, 215, 0.6); animation: live 1.8s infinite; flex: none; }
@keyframes live { 70% { box-shadow: 0 0 0 9px rgba(36, 192, 215, 0); } 100% { box-shadow: 0 0 0 0 rgba(36, 192, 215, 0); } }

/* ---------- header ---------- */
.header { position: fixed; inset: 0 0 auto 0; z-index: 100; --h-ink: var(--ink); --h-sub: var(--text); --h-line: var(--line-2); }
.header__bar { display: flex; align-items: center; gap: 1.25rem; height: var(--header); padding-inline: clamp(1rem, 3.5vw, 2.5rem); background: var(--header-bg); border-bottom: 1px solid var(--line); backdrop-filter: blur(16px) saturate(140%); -webkit-backdrop-filter: blur(16px) saturate(140%); transition: background-color 0.35s, border-color 0.35s; }
.has-hero .header:not(.is-scrolled):not(.is-open) { --h-ink: var(--hero-ink); --h-sub: var(--hero-sub); --h-line: var(--hero-line); }
.has-hero .header:not(.is-scrolled):not(.is-open) .header__bar { background: transparent; border-bottom-color: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; }
.logo { display: inline-flex; align-items: center; flex: none; }
.logo svg { height: 34px; width: auto; }
.lg-g { fill: var(--green); }
.lg-c { fill: var(--cyan); }
.lg-b { fill: var(--blue); }
html[data-mode="dark"] .lg-g, .theme-dark .lg-g { fill: #fff; }
.has-hero .header:not(.is-scrolled):not(.is-open) .logo .lg-g { fill: var(--hero-ink); }
html:not([data-mode="dark"]) .has-hero .header:not(.is-scrolled):not(.is-open) .logo [fill^="url"] { fill: #fff; }
.nav { display: flex; align-items: center; gap: 0.1rem; margin-inline: auto; }
.nav a { padding: 0.5rem 0.75rem; border-radius: 999px; color: var(--h-sub); font-size: 0.93rem; font-weight: 500; transition: color 0.2s, background-color 0.2s; }
.nav a:hover { color: var(--h-ink); background: color-mix(in srgb, var(--h-ink) 8%, transparent); }
.header__actions { display: flex; align-items: center; gap: 0.5rem; }
.lang, .mode { display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem; min-height: 42px; min-width: 42px; padding: 0 0.85rem; border-radius: 999px; border: 1px solid var(--h-line); background: transparent; color: var(--h-ink); font-size: 0.86rem; font-weight: 600; cursor: pointer; transition: border-color 0.2s, color 0.2s; }
.mode { padding: 0; }
.lang:hover, .mode:hover { border-color: var(--h-ink); }
.mode .i-sun { display: none; }
html[data-mode="dark"] .mode .i-sun { display: block; }
html[data-mode="dark"] .mode .i-moon { display: none; }
.has-hero .header:not(.is-scrolled):not(.is-open) .btn-primary { background: var(--hbtn-bg); color: var(--hbtn-ink); box-shadow: var(--hbtn-shadow); }
.burger { display: none; width: 42px; height: 42px; align-items: center; justify-content: center; border-radius: 999px; border: 1px solid var(--h-line); background: transparent; color: var(--h-ink); cursor: pointer; }
.sheet { display: none; }

/* ---------- hero: the guideline cover, made live ---------- */
.hero { position: relative; isolation: isolate; padding-top: calc(var(--header) + clamp(2.5rem, 6vw, 4.5rem)); padding-bottom: clamp(7rem, 12vw, 10rem); overflow: hidden; background: var(--hero-shade), var(--hero-bg); color: var(--hero-ink); }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background-image: radial-gradient(rgba(255, 255, 255, 0.16) 1px, transparent 1.3px); background-size: 26px 26px; -webkit-mask-image: radial-gradient(70% 70% at 50% 40%, #000 20%, transparent 80%); mask-image: radial-gradient(70% 70% at 50% 40%, #000 20%, transparent 80%); }
html[data-mode="dark"] .hero::before { background-image: radial-gradient(var(--dot) 1px, transparent 1.3px); }
.hero .ring { --ring-fill: var(--hero-ring); }
.hero .ring--a { width: clamp(420px, 46vw, 720px); --rw: clamp(46px, 5vw, 78px); inset-inline-end: calc(clamp(420px, 46vw, 720px) * -0.42); top: -22%; }
.hero .ring--b { width: clamp(260px, 26vw, 400px); --rw: clamp(30px, 3vw, 46px); inset-inline-start: -8%; bottom: -30%; }
.hero__grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 5.8fr) minmax(0, 6.2fr); gap: clamp(2rem, 4vw, 3.5rem); align-items: center; }
.hero__copy { position: relative; z-index: 2; }
.hero .pill { border: 1px solid var(--hero-line); background: rgba(255, 255, 255, 0.12); color: var(--hero-ink); }
html[data-mode="dark"] .hero .pill { background: rgba(255, 255, 255, 0.03); color: var(--muted); }
.hero h1 { margin: 1.4rem 0 1.2rem; font-size: clamp(2.2rem, 3.25vw, 3.25rem); font-weight: 700; line-height: 1.22; letter-spacing: -0.01em; color: var(--hero-ink); }
.hero h1 .grad { display: block; }
html[data-mode="dark"] .hero h1 .grad { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
[lang="en"] .hero h1 { letter-spacing: -0.03em; line-height: 1.06; font-size: clamp(2.2rem, 3.1vw, 3.05rem); }
.hero__lead { margin: 0; max-width: 34rem; color: var(--hero-sub); font-size: clamp(1.05rem, 1.3vw, 1.18rem); line-height: 1.9; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2.1rem; }
.hero .btn-primary { background: var(--hbtn-bg); color: var(--hbtn-ink); box-shadow: var(--hbtn-shadow); }
.hero .btn-ghost { border-color: var(--hero-line); color: var(--hero-ink); }
.hero .btn-ghost:hover { border-color: var(--hero-ink); color: var(--hero-ink); background: rgba(255, 255, 255, 0.08); }
.hero__trust { display: grid; grid-template-columns: repeat(2, minmax(0, max-content)); gap: 0.7rem 1.6rem; margin: 2.3rem 0 0; padding: 0; list-style: none; }
.hero__trust li { display: flex; align-items: center; gap: 0.55rem; color: var(--hero-ink); font-size: 0.93rem; font-weight: 500; }
.hero__trust svg { flex: none; width: 22px; height: 22px; padding: 4px; border-radius: 50%; background: rgba(255, 255, 255, 0.2); }
html[data-mode="dark"] .hero__trust svg { background: rgba(36, 192, 215, 0.15); color: var(--cyan); }

/* command center window */
.cc { position: relative; perspective: 1800px; min-height: 520px; }
.cc__win { position: relative; border-radius: 22px; border: 1px solid var(--line); background: var(--surface); color: var(--text); box-shadow: var(--shadow-lg); transform: rotateY(var(--ry, 7deg)) rotateX(4deg) translate3d(calc(var(--mx, 0) * -8px), calc(var(--my, 0) * -6px), 0); transform-origin: center; transition: transform 0.6s var(--ease); overflow: hidden; width: 106%; margin-inline-end: -6%; }
[dir="rtl"] .cc__win { --ry: -7deg; }
.cc__top { display: flex; align-items: center; gap: 0.8rem; height: 42px; padding-inline: 1rem; border-bottom: 1px solid var(--line); background: var(--surface-2); }
.cc__dots { display: flex; gap: 6px; direction: ltr; }
.cc__dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--line-2); }
.cc__dots i:nth-child(1) { background: var(--cyan); }
.cc__dots i:nth-child(2) { background: var(--teal); }
.cc__dots i:nth-child(3) { background: var(--green); }
.cc__title { font-size: 0.78rem; color: var(--muted); }
.cc__title b { font-family: var(--mono); font-weight: 500; color: var(--ink); margin-inline-end: 0.4rem; }
.cc__badge { margin-inline-start: auto; display: inline-flex; align-items: center; gap: 0.45rem; font-size: 0.72rem; color: var(--link); padding: 0.2rem 0.65rem; border-radius: 999px; background: var(--tint); }
.cc__body { display: grid; grid-template-columns: 52px minmax(0, 1fr) 230px; min-height: 440px; }
.cc__side { display: flex; flex-direction: column; align-items: center; gap: 0.5rem; padding-top: 0.9rem; border-inline-end: 1px solid var(--line); background: var(--surface-2); }
.cc__side span { display: inline-flex; width: 34px; height: 34px; align-items: center; justify-content: center; border-radius: 10px; color: var(--dim); }
.cc__side span.on { color: var(--link); background: var(--tint-2); }
.cc__map { position: relative; border-inline-end: 1px solid var(--line); background: radial-gradient(var(--dot) 1px, transparent 1.2px) 0 0 / 22px 22px, radial-gradient(60% 60% at 45% 50%, var(--tint), transparent 70%), var(--surface); }
.cc__map svg { width: 100%; height: 100%; }
.cc__maplabel { position: absolute; top: 0.8rem; inset-inline-start: 0.9rem; font-size: 0.72rem; color: var(--dim); }
.cc__rail { display: flex; flex-direction: column; gap: 0.55rem; padding: 0.8rem; }
.kpis { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.5rem; }
.kpi { padding: 0.6rem 0.7rem; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--line); }
.kpi small { display: block; font-size: 0.66rem; color: var(--dim); line-height: 1.4; }
.kpi strong { font-family: var(--mono); font-size: 1.15rem; font-weight: 500; color: var(--ink); }
.kpi strong.c { color: var(--hl); }
.trip { display: grid; grid-template-columns: auto 1fr; gap: 0.1rem 0.6rem; align-items: center; padding: 0.55rem 0.6rem; border-radius: 12px; background: var(--surface-2); border: 1px solid transparent; font-size: 0.72rem; }
.trip.warn { border-color: var(--tint-line); background: var(--tint); }
.trip b { grid-row: span 2; font-family: var(--mono); font-weight: 500; font-size: 0.7rem; padding: 0.25rem 0.45rem; border-radius: 7px; color: var(--on-accent); background: linear-gradient(110deg, #24c0d7, #16a092); }
.trip.done b { background: var(--surface-3); color: var(--ink); }
.trip span { color: var(--ink); font-weight: 500; line-height: 1.4; }
.trip em { font-style: normal; color: var(--dim); font-size: 0.66rem; line-height: 1.4; }
.trip.warn em { color: var(--link); }

.map-route-base { fill: none; stroke: var(--map-base); stroke-width: 7; stroke-linecap: round; }
.map-route { fill: none; stroke: url(#routeGrad); stroke-width: 2.2; stroke-linecap: round; stroke-dasharray: 3 8; animation: dash 2.2s linear infinite; }
.map-node { fill: var(--surface); stroke: var(--map-node); stroke-width: 2.4; }
.map-node.air { stroke: var(--blue); }
html[data-mode="dark"] .map-node.air { stroke: var(--teal); }
.map-label { fill: var(--text); font-size: 13px; font-family: var(--font); font-weight: 500; paint-order: stroke; stroke: var(--surface); stroke-width: 4px; }
.map-bus { fill: var(--map-bus); }
.map-halo { fill: rgba(36, 192, 215, 0.35); }
.map-pin { fill: var(--cyan); }
.map-pin-halo { fill: rgba(36, 192, 215, 0.2); }
@keyframes dash { to { stroke-dashoffset: -22; } }

.float { position: absolute; z-index: 3; border-radius: 18px; border: 1px solid var(--line); background: var(--surface); color: var(--text); box-shadow: var(--shadow-lg); padding: 0.85rem 1rem; transform: translate3d(calc(var(--mx, 0) * var(--d, 10px)), calc(var(--my, 0) * var(--d, 10px)), 0); transition: transform 0.6s var(--ease); }
.float--ai { top: -2.4rem; inset-inline-start: 4%; width: min(320px, 62%); --d: 18px; border-color: var(--tint-line); }
.float--tele { bottom: -3rem; inset-inline-start: 10%; width: 232px; --d: 12px; }
.float--inv { bottom: -2.2rem; inset-inline-end: 2%; width: 240px; --d: 22px; }
.float__head { display: flex; align-items: center; gap: 0.55rem; font-size: 0.76rem; color: var(--muted); }
.float__head svg { color: var(--icon); }
.float__head .av { display: inline-flex; width: 26px; height: 26px; border-radius: 8px; align-items: center; justify-content: center; background: var(--grad-d); color: #fff; }
.float__head .av svg { color: #fff; }
.float__head b { color: var(--ink); font-weight: 600; }
.float p { margin: 0.55rem 0 0; font-size: 0.86rem; line-height: 1.7; min-height: 2.9em; color: var(--ink); }
.caret { display: inline-block; width: 2px; height: 1em; margin-inline-start: 2px; vertical-align: -0.15em; background: var(--teal); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.float__actions { display: flex; gap: 0.45rem; margin-top: 0.6rem; }
.float__actions span { font-size: 0.72rem; padding: 0.3rem 0.75rem; border-radius: 999px; border: 1px solid var(--line-2); color: var(--muted); }
.float__actions span.ok { border-color: transparent; background: var(--btn-bg); color: var(--btn-ink); font-weight: 600; }
.tele-rows { display: grid; gap: 0.45rem; margin-top: 0.6rem; font-size: 0.72rem; }
.tele-row { display: grid; grid-template-columns: 1fr auto; gap: 0.2rem 0.5rem; align-items: center; color: var(--muted); }
.tele-row b { font-family: var(--mono); font-weight: 500; color: var(--ink); }
.bar { grid-column: 1 / -1; height: 4px; border-radius: 4px; background: var(--surface-3); overflow: hidden; }
.bar i { display: block; height: 100%; border-radius: inherit; background: var(--grad); }
.spark { margin-top: 0.5rem; height: 34px; }
.spark polyline { stroke: var(--teal); }
.inv-amount { display: flex; align-items: baseline; justify-content: space-between; margin-top: 0.55rem; }
.inv-amount b { font-family: var(--mono); font-size: 1.15rem; font-weight: 500; color: var(--ink); }
.inv-amount small { color: var(--teal); font-size: 0.72rem; }
.inv-amount b small { color: var(--muted); }
.inv-lines { display: grid; gap: 0.25rem; margin-top: 0.45rem; font-size: 0.7rem; color: var(--dim); }
.inv-lines div { display: flex; justify-content: space-between; }
.inv-lines span:last-child { font-family: var(--mono); white-space: nowrap; }

/* ---------- stats: the guideline colour capsules ---------- */
.stats-sec { position: relative; z-index: 3; margin-top: clamp(-6.5rem, -9vw, -4rem); padding-bottom: clamp(2rem, 4vw, 3rem); }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(0.7rem, 1.5vw, 1.1rem); }
.stat { --c: var(--cyan); position: relative; overflow: hidden; display: flex; flex-direction: column; min-height: 196px; padding: 1.5rem 1.6rem 1.7rem; border-radius: 28px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow-lg); color: var(--ink); }
.stat:nth-child(2) { --c: var(--blue); }
.stat:nth-child(3) { --c: var(--teal); }
.stat:nth-child(4) { --c: var(--green); }
.stat::before { content: ""; width: 46px; height: 12px; border-radius: 999px; background: var(--c); margin-bottom: 1.5rem; }
.stat::after { content: ""; position: absolute; width: 170px; aspect-ratio: 1; border-radius: 50%; inset-inline-end: -64px; bottom: -78px; background: var(--c); opacity: 0.14; -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 22px), #000 calc(100% - 21px)); mask: radial-gradient(farthest-side, transparent calc(100% - 22px), #000 calc(100% - 21px)); }
.stat b { display: block; margin-top: 0; font-size: clamp(2.4rem, 4vw, 3.3rem); font-weight: 700; line-height: 1; color: var(--heading); }
.stat span { display: block; margin-top: 0.6rem; font-size: 0.95rem; line-height: 1.6; color: var(--muted); max-width: 26ch; }

/* ---------- sections ---------- */
.section { position: relative; padding-block: clamp(4.5rem, 7.5vw, 7rem); scroll-margin-top: calc(var(--header) - 10px); }
.section--alt { background: var(--bg-soft); }
.stats-sec + .section { padding-top: clamp(3rem, 5vw, 4.5rem); }
.theme-dark { background: var(--band-bg); color: var(--text); overflow: hidden; }
.theme-dark .dotgrid { position: absolute; inset: 0; pointer-events: none; background-image: radial-gradient(var(--dot) 1px, transparent 1.3px); background-size: 26px 26px; -webkit-mask-image: radial-gradient(70% 60% at 50% 40%, #000 20%, transparent 80%); mask-image: radial-gradient(70% 60% at 50% 40%, #000 20%, transparent 80%); }
.theme-dark .ring { --ring-fill: rgba(36, 192, 215, 0.07); }
.theme-dark > .wrap { position: relative; z-index: 1; }
.head { max-width: 760px; margin-bottom: clamp(2.5rem, 5vw, 3.75rem); }
.head--center { margin-inline: auto; text-align: center; }
.head--center .eyebrow { justify-content: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 0.6rem; margin: 0 0 1.1rem; font-size: 0.88rem; font-weight: 600; color: var(--eyebrow); }
.eyebrow .mono { font-size: 0.72rem; color: var(--muted); padding: 0.18rem 0.6rem; border: 1px solid var(--line-2); border-radius: 999px; background: var(--surface); }
.h2 { margin: 0 0 1rem; font-size: clamp(2rem, 3.8vw, 3.2rem); font-weight: 700; line-height: 1.24; letter-spacing: -0.005em; color: var(--heading); text-wrap: balance; }
[lang="en"] .h2 { letter-spacing: -0.03em; line-height: 1.1; }
.lead { margin: 0; color: var(--muted); font-size: clamp(1.03rem, 1.3vw, 1.15rem); line-height: 1.9; }
.head--center .lead { margin-inline: auto; max-width: 60ch; }
.head--split { max-width: none; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: 1.2rem 4rem; align-items: end; }
.head--split .h2 { margin-bottom: 0; }
.head--split .lead { padding-bottom: 0.5rem; }

/* ---------- product bento ---------- */
.bento { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 1rem; }
.card { position: relative; display: flex; flex-direction: column; overflow: hidden; border-radius: var(--r-xl); border: 1px solid var(--line); background: var(--surface); box-shadow: var(--shadow); padding: clamp(1.4rem, 2.4vw, 2rem); transition: border-color 0.35s, transform 0.5s var(--ease), box-shadow 0.35s; }
.card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--grad); opacity: 0; transition: opacity 0.35s; }
.card:hover { border-color: var(--line-3); transform: translateY(-3px); }
.card:hover::before { opacity: 1; }
.card > * { position: relative; }
.card__tag { font-family: var(--mono); font-size: 0.76rem; color: var(--eyebrow); letter-spacing: 0.02em; }
.card__tag svg { color: var(--icon); }
.card h3 { margin: 0.55rem 0 0.4rem; font-size: clamp(1.25rem, 1.9vw, 1.5rem); font-weight: 600; line-height: 1.35; color: var(--ink); }
.card p { margin: 0; color: var(--muted); font-size: 0.96rem; line-height: 1.8; max-width: 46ch; }
.card__ui { margin-top: auto; padding-top: 1.5rem; }
.c-7 { grid-column: span 7; } .c-5 { grid-column: span 5; } .c-4 { grid-column: span 4; } .c-12 { grid-column: span 12; } .c-6 { grid-column: span 6; } .c-8 { grid-column: span 8; }
.ui { border-radius: 16px; border: 1px solid var(--line); background: var(--surface-2); padding: 0.9rem; font-size: 0.78rem; }
.ui-row { display: grid; grid-template-columns: 5.5rem 1fr; align-items: center; gap: 0.6rem; min-height: 34px; }
.ui-row + .ui-row { border-top: 1px dashed var(--line-2); }
.ui-row > span { color: var(--muted); font-size: 0.74rem; }
.ui-track { position: relative; height: 22px; }
.ui-blk { position: absolute; top: 2px; bottom: 2px; border-radius: 999px; padding-inline: 0.6rem; display: flex; align-items: center; font-size: 0.68rem; font-weight: 600; color: var(--on-accent); background: linear-gradient(110deg, #24c0d7, #16a092); white-space: nowrap; overflow: hidden; }
.ui-blk { display: block; line-height: 18px; text-overflow: ellipsis; }
.ui-blk.done { background: var(--surface-3); color: var(--muted); }
.ui-blk.warn { background: var(--tint); color: var(--link); border: 1.5px dashed var(--teal); }
.ui-alert { display: flex; align-items: center; gap: 0.5rem; margin-top: 0.7rem; padding: 0.55rem 0.8rem; border-radius: 999px; background: var(--tint); border: 1px solid var(--tint-line); color: var(--ink); font-size: 0.74rem; }
.ui-alert svg { color: var(--icon); flex: none; }
.card__ui:has(.minimap) { flex: 1; display: flex; flex-direction: column; }
.minimap { position: relative; flex: 1; min-height: 170px; border-radius: 16px; overflow: hidden; border: 1px solid var(--line); background: linear-gradient(var(--grid) 1px, transparent 1px) 0 0 / 24px 24px, linear-gradient(90deg, var(--grid) 1px, transparent 1px) 0 0 / 24px 24px, radial-gradient(60% 70% at 50% 50%, var(--tint), transparent 70%), var(--surface-2); }
.minimap > svg { width: 100%; height: 100%; }
.eta { position: absolute; inset-inline-end: 0.7rem; bottom: 0.7rem; display: flex; align-items: center; gap: 0.5rem; padding: 0.4rem 0.8rem; border-radius: 999px; background: var(--surface); border: 1px solid var(--line-2); font-size: 0.72rem; color: var(--muted); box-shadow: var(--shadow); }
.eta svg { color: var(--icon); }
.eta b { font-family: var(--mono); color: var(--ink); font-weight: 500; }
.bars { display: flex; align-items: flex-end; gap: 6px; height: 70px; margin-top: 0.7rem; }
.bars i { flex: 1; border-radius: 999px 999px 4px 4px; background: linear-gradient(180deg, #24c0d7, rgba(22, 160, 146, 0.35)); }
.invoice { display: grid; gap: 0.35rem; }
.invoice div { display: flex; justify-content: space-between; color: var(--muted); }
.invoice div b { font-family: var(--mono); font-weight: 500; color: var(--ink); }
.invoice .total { padding-top: 0.45rem; margin-top: 0.2rem; border-top: 1px solid var(--line); color: var(--ink); font-weight: 600; }
.invoice .total b { color: var(--hl); }
.gauges { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.5rem; }
.gauge { text-align: center; }
.gauge svg { width: 100%; max-width: 88px; margin-inline: auto; }
.gauge span { display: block; font-size: 0.68rem; color: var(--muted); margin-top: 0.2rem; }
.g-track { fill: none; stroke: var(--surface-3); stroke-width: 7; }
.g-val { fill: none; stroke: url(#gGrad); stroke-width: 7; stroke-linecap: round; }
.g-text { fill: var(--ink); font-family: var(--mono); font-size: 16px; text-anchor: middle; }
.chat { display: grid; gap: 0.5rem; }
.bubble { max-width: 88%; padding: 0.6rem 0.85rem; border-radius: 16px; font-size: 0.78rem; line-height: 1.65; color: var(--ink); }
.bubble.me { justify-self: start; background: var(--surface-3); border-start-start-radius: 4px; }
.bubble.ai { justify-self: end; background: var(--tint); border: 1px solid var(--tint-line); border-start-end-radius: 4px; }
.devices { display: grid; grid-template-columns: 1.35fr 0.65fr 1fr; gap: 1rem; align-items: end; }
.browser, .phone { border-radius: 14px; border: 1px solid var(--line-2); background: var(--surface); overflow: hidden; }
.browser__bar { display: flex; align-items: center; gap: 5px; height: 26px; padding-inline: 0.6rem; border-bottom: 1px solid var(--line); background: var(--surface-2); direction: ltr; }
.browser__bar i { width: 7px; height: 7px; border-radius: 50%; background: var(--line-2); }
.browser__bar span { margin-inline-start: 0.5rem; font-family: var(--mono); font-size: 0.62rem; color: var(--dim); }
.browser__body { padding: 0.8rem; display: grid; gap: 0.45rem; font-size: 0.72rem; }
.sk { height: 8px; border-radius: 6px; background: var(--surface-3); }
.sk.c { background: var(--grad); opacity: 0.75; }
.phone { border-radius: 24px; padding: 0.7rem 0.6rem; }
.phone__notch { width: 40%; height: 6px; margin: 0 auto 0.6rem; border-radius: 6px; background: var(--surface-3); }
.phone__card { padding: 0.55rem; border-radius: 12px; background: var(--tint); border: 1px solid var(--tint-line); font-size: 0.68rem; line-height: 1.55; color: var(--ink); }
.phone__card b { display: block; font-size: 0.74rem; }
.phone__btn { margin-top: 0.5rem; padding: 0.4rem; border-radius: 999px; text-align: center; font-size: 0.68rem; font-weight: 600; color: var(--btn-ink); background: var(--btn-bg); }
.linkcard { padding: 0.8rem; border-radius: 14px; border: 1px solid var(--line-2); background: var(--surface); font-size: 0.72rem; color: var(--ink); }
.linkcard .row { display: flex; align-items: center; gap: 0.5rem; }
.linkcard .ico { display: inline-flex; width: 28px; height: 28px; border-radius: 50%; align-items: center; justify-content: center; background: rgba(8, 128, 76, 0.12); color: var(--green); flex: none; }
html[data-mode="dark"] .linkcard .ico { color: #7ce9d8; }
.linkcard p { margin: 0.5rem 0 0; color: var(--muted); font-size: 0.72rem; line-height: 1.6; }
.linkcard u { color: var(--link); text-decoration: none; font-family: var(--mono); font-size: 0.66rem; }

/* ---------- architecture (deep band) ---------- */
.arch { position: relative; border-radius: var(--r-xl); border: 1px solid var(--line); background: radial-gradient(50% 60% at 50% 50%, rgba(36, 192, 215, 0.12), transparent 70%), rgba(3, 22, 29, 0.5); padding: clamp(1rem, 3vw, 2.2rem); overflow: hidden; }
.arch svg { width: 100%; height: auto; }
.arch-line { fill: none; stroke: rgba(160, 225, 236, 0.16); stroke-width: 1.5; }
.arch-flow { fill: none; stroke: url(#archGrad); stroke-width: 2; stroke-dasharray: 2 10; stroke-linecap: round; animation: dash 1.6s linear infinite; }
.arch-node rect { fill: #0a2e3a; stroke: var(--line-3); stroke-width: 1; }
.arch-node text { fill: var(--ink); font-family: var(--font); font-size: 15px; font-weight: 500; }
.arch-node .sub { fill: var(--muted); font-size: 11.5px; font-weight: 400; }
.arch-node .ic { fill: none; stroke: var(--cyan); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.arch-col { fill: var(--muted); font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; }
[dir="rtl"] .arch-col { font-family: var(--font); letter-spacing: 0; font-size: 14px; }
.arch-core circle.ring { fill: none; stroke: rgba(36, 192, 215, 0.25); stroke-width: 1; }
.arch-core circle.ring2 { fill: none; stroke: rgba(36, 192, 215, 0.16); stroke-width: 1; stroke-dasharray: 4 6; transform-origin: center; transform-box: fill-box; animation: spin 30s linear infinite; }
.arch-core circle.disk { fill: url(#coreGrad); stroke: rgba(36, 192, 215, 0.6); stroke-width: 1.5; }
.arch-core text { fill: #fff; font-family: var(--font); font-weight: 700; font-size: 18px; text-anchor: middle; }
.arch-core .sub { fill: rgba(255, 255, 255, 0.85); font-size: 12px; font-weight: 400; }
.arch-core .ic { fill: none; stroke: #fff; stroke-width: 1.8; }
.arch-pkt { fill: #fff; }
@keyframes spin { to { transform: rotate(360deg); } }
.arch-legend { display: flex; flex-wrap: wrap; gap: 0.6rem 1.4rem; margin-top: 1.2rem; font-size: 0.85rem; color: var(--muted); }
.arch-legend span { display: inline-flex; align-items: center; gap: 0.5rem; }
.arch-legend i { width: 18px; height: 3px; background: var(--grad); border-radius: 3px; }

/* ---------- editions ---------- */
.seg { display: inline-flex; padding: 0.3rem; border-radius: 999px; border: 1px solid var(--line-2); background: var(--surface-2); margin-bottom: 2rem; }
.seg button { min-height: 46px; padding: 0.55rem 1.5rem; border: 0; border-radius: 999px; background: transparent; color: var(--muted); font-weight: 600; font-size: 0.98rem; cursor: pointer; transition: background 0.25s, color 0.25s; }
.seg button[aria-selected="true"] { background: var(--btn-bg); color: var(--btn-ink); box-shadow: var(--btn-shadow); }
.ed { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: clamp(1.5rem, 4vw, 3.5rem); align-items: start; }
.ed[hidden] { display: none; }
.flow { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.7rem; }
.flow li { position: relative; display: grid; grid-template-columns: 3.2rem 1fr; gap: 0.2rem 1rem; align-items: center; padding: 1.05rem 1.1rem; border-radius: 20px; border: 1px solid var(--line); background: var(--surface); box-shadow: var(--shadow); transition: border-color 0.3s; }
.flow li:hover { border-color: var(--tint-line); }
.flow li::after { content: ""; position: absolute; inset-inline-start: calc(1.1rem + 1.6rem - 1px); top: 100%; width: 2px; height: 0.7rem; background: var(--tint-line); }
.flow li:last-child::after { display: none; }
.flow__n { grid-row: span 2; display: inline-flex; width: 3.2rem; height: 3.2rem; align-items: center; justify-content: center; border-radius: 50%; font-family: var(--mono); font-size: 0.9rem; color: var(--link); background: var(--tint); border: 1px solid var(--tint-line); }
.flow strong { font-size: 1.06rem; font-weight: 600; color: var(--ink); }
.flow span { color: var(--muted); font-size: 0.92rem; line-height: 1.7; }
.ed__side { position: sticky; top: calc(var(--header) + 1.5rem); overflow: hidden; padding: clamp(1.5rem, 2.8vw, 2.2rem); border-radius: var(--r-xl); background: var(--blue); color: #fff; box-shadow: var(--shadow-lg); }
html[data-mode="dark"] .ed__side { background: linear-gradient(160deg, #0a3b4d, #062633); border: 1px solid var(--line-2); }
.ed__side .ring { --ring-fill: var(--grad-d); width: 240px; --rw: 30px; inset-inline-end: -110px; top: -110px; opacity: 0.9; }
.ed__side > *:not(.ring) { position: relative; z-index: 1; }
.ed__side h3 { margin: 0 0 0.5rem; font-size: 1.45rem; line-height: 1.4; color: #fff; max-width: 90%; }
.ed__side > p { margin: 0 0 1.2rem; color: rgba(255, 255, 255, 0.85); line-height: 1.85; }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.7rem; }
.checks li { display: flex; gap: 0.65rem; align-items: flex-start; color: #fff; line-height: 1.7; }
.checks svg { flex: none; margin-top: 0.2rem; width: 22px; height: 22px; padding: 4px; border-radius: 50%; background: rgba(255, 255, 255, 0.16); color: #fff; }

/* ---------- smart bus blueprint ---------- */
.bp { position: relative; border-radius: var(--r-xl); border: 1px solid var(--line); overflow: hidden; background: var(--surface); box-shadow: var(--shadow); }
.bp__stage { position: relative; padding: clamp(1.5rem, 4vw, 3rem) clamp(1rem, 3vw, 2.5rem) 1.5rem; background: linear-gradient(var(--grid) 1px, transparent 1px) 0 0 / 32px 32px, linear-gradient(90deg, var(--grid) 1px, transparent 1px) 0 0 / 32px 32px, radial-gradient(60% 70% at 50% 45%, var(--tint), transparent 75%), var(--bp-bg); }
.bp__stage > div { max-width: 1000px; margin-inline: auto; }
.bp__stage svg { width: 100%; height: auto; overflow: visible; }
.bus-line { fill: rgba(36, 192, 215, 0.05); stroke: var(--bp-line); stroke-width: 2; stroke-linejoin: round; }
.bus-thin { fill: none; stroke: var(--bp-thin); stroke-width: 1.3; }
.bus-glass { fill: var(--bp-glass); stroke: var(--bp-thin); stroke-width: 1.3; }
.bus-stripe { fill: url(#stripeGrad); }
.bus-wheel { fill: var(--bp-wheel); stroke: var(--bp-line); stroke-width: 2; }
.bus-dim { stroke: var(--bp-thin); stroke-width: 1; fill: none; }
.bus-dimtext { fill: var(--muted); font-family: var(--mono); font-size: 12px; }
.hs { position: absolute; transform: translate(-50%, -50%); z-index: 2; }
.hs button { position: relative; display: inline-flex; width: 30px; height: 30px; align-items: center; justify-content: center; border-radius: 50%; border: 0; background: var(--cyan); color: var(--on-accent); font-family: var(--mono); font-size: 0.8rem; font-weight: 500; cursor: pointer; box-shadow: 0 0 0 6px rgba(36, 192, 215, 0.2); transition: transform 0.25s var(--ease), box-shadow 0.25s, background 0.25s; }
.hs button::after { content: ""; position: absolute; inset: -6px; border-radius: 50%; border: 1px solid rgba(36, 192, 215, 0.6); animation: pulse 2.2s infinite; }
.hs button[aria-pressed="true"], .hs button:hover { transform: scale(1.15); background: var(--blue); color: #fff; box-shadow: 0 0 0 8px rgba(8, 100, 131, 0.2); }
html[data-mode="dark"] .hs button[aria-pressed="true"], html[data-mode="dark"] .hs button:hover { background: #fff; color: var(--blue); }
@keyframes pulse { from { transform: scale(0.8); opacity: 1; } to { transform: scale(1.8); opacity: 0; } }
.bp__list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.bp__item { display: grid; grid-template-columns: 2rem 1fr; gap: 0.2rem 0.8rem; padding: 1.2rem 1.4rem; border-bottom: 1px solid var(--line); cursor: pointer; transition: background-color 0.25s; }
.bp__item:not(:nth-child(3n + 1)) { border-inline-start: 1px solid var(--line); }
.bp__item.on { background: var(--tint); }
.bp__item .n { grid-row: span 2; display: inline-flex; width: 2rem; height: 2rem; align-items: center; justify-content: center; border-radius: 50%; font-family: var(--mono); font-size: 0.78rem; background: var(--tint-2); color: var(--link); }
.bp__item.on .n { background: var(--blue); color: #fff; }
html[data-mode="dark"] .bp__item.on .n { background: var(--cyan); color: var(--on-accent); }
.bp__item strong { font-size: 1rem; font-weight: 600; color: var(--ink); }
.bp__item span { color: var(--muted); font-size: 0.88rem; line-height: 1.7; }
.bp__foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.2rem 1.4rem; }
.bp__foot p { margin: 0; color: var(--ink); font-weight: 500; }
.steps-mini { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.steps-mini span { display: inline-flex; align-items: center; gap: 0.45rem; padding: 0.4rem 0.85rem; border-radius: 999px; border: 1px solid var(--line-2); font-size: 0.82rem; color: var(--muted); }
.steps-mini svg { color: var(--icon); }

/* ---------- AI (deep band) ---------- */
.ai { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 1.25rem; align-items: stretch; }
.term { border-radius: var(--r-xl); border: 1px solid var(--line-2); background: #021118; overflow: hidden; box-shadow: 0 40px 80px -40px rgba(0, 0, 0, 0.8); display: flex; flex-direction: column; }
.term__top { display: flex; align-items: center; gap: 0.8rem; height: 42px; padding-inline: 1rem; border-bottom: 1px solid var(--line); }
.term__top .t { font-family: var(--mono); font-size: 0.76rem; color: var(--muted); }
[dir="rtl"] .term__top .t { font-family: var(--font); font-size: 0.82rem; }
.term__body { flex: 1; padding: 1.1rem 1.2rem 1.3rem; display: grid; align-content: start; gap: 0.75rem; min-height: 250px; }
.term__sum { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.term__sum div { padding: 0.9rem 1.2rem; }
.term__sum div + div { border-inline-start: 1px solid var(--line); }
.term__sum b { display: block; font-size: 1.5rem; font-weight: 600; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1.1; }
.term__sum span { font-size: 0.78rem; color: var(--muted); }
.term__ask { display: flex; align-items: center; gap: 0.6rem; margin: 0 1rem 1rem; padding: 0.55rem 0.6rem 0.55rem 0.9rem; border-radius: 999px; border: 1px solid var(--line-2); background: rgba(36, 192, 215, 0.05); font-size: 0.86rem; color: var(--dim); }
[dir="rtl"] .term__ask { padding: 0.55rem 0.9rem 0.55rem 0.6rem; }
.term__ask .ico { color: var(--cyan); display: inline-flex; }
.term__ask .ph { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.term__ask .caret { width: 2px; height: 1.1em; background: var(--cyan); animation: blink 1s steps(2) infinite; flex: none; }
.term__ask .send { margin-inline-start: auto; display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: linear-gradient(110deg, #24c0d7, #16a092); color: #01212b; flex: none; }
[dir="rtl"] .term__ask .send svg { transform: scaleX(-1); }
.log { display: grid; grid-template-columns: 3.4rem 1fr; gap: 0.8rem; font-size: 0.92rem; line-height: 1.75; opacity: 0; transform: translateY(6px); transition: opacity 0.5s, transform 0.5s var(--ease); }
.log.show { opacity: 1; transform: none; }
.log time { font-family: var(--mono); font-size: 0.78rem; color: var(--dim); padding-top: 0.15rem; direction: ltr; }
.log p { margin: 0; color: #d8eaef; }
.log p b { color: var(--cyan); font-weight: 500; }
.log .ok { display: inline-flex; margin-inline-start: 0.4rem; color: var(--teal); font-family: var(--mono); font-size: 0.75rem; }
.agents { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.agent { padding: 1.3rem; border-radius: var(--r-lg); border: 1px solid var(--line); background: rgba(255, 255, 255, 0.03); transition: border-color 0.3s; }
.agent:hover { border-color: var(--tint-line); }
.agent .ico { display: inline-flex; width: 46px; height: 46px; align-items: center; justify-content: center; border-radius: 50%; background: var(--grad-d); color: #fff; }
.agent h3 { margin: 0.9rem 0 0.3rem; font-size: 1.05rem; font-weight: 600; color: var(--ink); }
.agent p { margin: 0; color: var(--muted); font-size: 0.9rem; line-height: 1.75; }

/* ---------- security ---------- */
.sec-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid var(--line); border-radius: var(--r-xl); overflow: hidden; background: var(--surface); box-shadow: var(--shadow); }
.sec { padding: 1.7rem 1.6rem; border-bottom: 1px solid var(--line); }
.sec:not(:nth-child(3n + 1)) { border-inline-start: 1px solid var(--line); }
.sec:nth-last-child(-n + 3) { border-bottom: 0; }
.sec .ico { display: inline-flex; width: 48px; height: 48px; align-items: center; justify-content: center; border-radius: 50%; background: var(--tint); color: var(--link); }
.sec h3 { margin: 0.9rem 0 0.35rem; font-size: 1.06rem; font-weight: 600; color: var(--ink); }
.sec p { margin: 0; color: var(--muted); font-size: 0.92rem; line-height: 1.75; }
.integr { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 0.6rem; margin-top: 1.8rem; }
.integr > span:first-child { flex-basis: 100%; text-align: center; color: var(--muted); font-size: 0.9rem; margin-bottom: 0.3rem; }
.chip { display: inline-flex; align-items: center; gap: 0.45rem; padding: 0.45rem 0.95rem; border-radius: 999px; border: 1px solid var(--line-2); background: var(--surface); font-size: 0.86rem; color: var(--ink); }
.chip svg { color: var(--icon); }

/* ---------- services ---------- */
.svc { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.svc .card__ui { padding-top: 1.3rem; }
.svc .card__tag { display: inline-flex; width: 48px; height: 48px; align-items: center; justify-content: center; border-radius: 50%; background: var(--grad-d); }
.svc .card__tag svg { color: #fff; }
.shield { position: relative; height: 120px; border-radius: 14px; border: 1px solid var(--line); background: var(--surface-2); overflow: hidden; display: grid; place-items: center; }
.shield svg { width: 64px; height: 64px; color: var(--link); }
.shield::after { content: ""; position: absolute; inset-inline: 0; top: 0; height: 40%; background: linear-gradient(180deg, transparent, rgba(36, 192, 215, 0.22), transparent); animation: scan 3s ease-in-out infinite; }
@keyframes scan { 0% { transform: translateY(-100%); } 100% { transform: translateY(260%); } }
.tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 1rem; }
.tags span { font-size: 0.76rem; padding: 0.25rem 0.7rem; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--line); color: var(--muted); }

/* ---------- process ---------- */
.process { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; list-style: none; margin: 0; padding: 0; }
.pstep { position: relative; padding: 1.6rem 1.4rem; border-radius: var(--r-lg); border: 1px solid var(--line); background: var(--surface); box-shadow: var(--shadow); }
.pstep .mono { display: inline-flex; width: 2.4rem; height: 2.4rem; align-items: center; justify-content: center; border-radius: 50%; font-size: 0.8rem; color: var(--link); background: var(--tint); }
.pstep h3 { margin: 0.8rem 0 0.35rem; font-size: 1.1rem; font-weight: 600; color: var(--ink); }
.pstep p { margin: 0; color: var(--muted); font-size: 0.92rem; line-height: 1.75; }
.pbar { height: 4px; border-radius: 4px; margin-bottom: 1.1rem; background: var(--surface-3); overflow: hidden; }
.pbar i { display: block; height: 100%; border-radius: inherit; background: var(--grad); }

/* ---------- about ---------- */
#about { overflow: hidden; }
#about .ring { width: clamp(360px, 38vw, 560px); --rw: clamp(40px, 4.4vw, 64px); inset-inline-end: calc(clamp(360px, 38vw, 560px) * -0.55); top: 10%; opacity: 0.95; }
.about { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.about__mark { display: flex; align-items: center; gap: 1.2rem; margin-top: 2rem; }
.about__mark img { height: 64px; width: auto; }
.quote { margin: 2rem 0 0; padding: 1.6rem 1.8rem; border-radius: 24px; background: var(--bg-soft); border: 1px solid var(--line); border-inline-start: 4px solid var(--teal); font-size: clamp(1.1rem, 1.7vw, 1.32rem); font-weight: 500; line-height: 1.8; color: var(--heading); }
.vm { display: grid; gap: 1rem; }
.vm article { padding: 1.4rem 1.5rem; border-radius: var(--r-lg); border: 1px solid var(--line); background: var(--surface); box-shadow: var(--shadow); }
.vm h3 { margin: 0 0 0.4rem; font-size: 0.92rem; color: var(--eyebrow); font-weight: 600; }
.vm p { margin: 0; color: var(--ink); line-height: 1.85; }
.vm__city { display: flex; align-items: center; gap: 0.5rem; }
.vm__city svg { color: var(--icon); flex: none; }
.values { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.values span { display: inline-flex; align-items: center; gap: 0.45rem; padding: 0.45rem 0.95rem; border-radius: 999px; border: 1px solid var(--line-2); font-size: 0.9rem; color: var(--ink); }
.values span b { font-family: var(--mono); font-weight: 500; color: var(--hl); font-size: 0.78rem; }

/* ---------- insights ---------- */
.posts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.post { display: flex; flex-direction: column; border-radius: var(--r-xl); border: 1px solid var(--line); background: var(--surface); box-shadow: var(--shadow); overflow: hidden; transition: border-color 0.3s, transform 0.5s var(--ease); }
.post:hover { border-color: var(--line-3); transform: translateY(-3px); }
.post__art { position: relative; overflow: hidden; height: 150px; display: grid; place-items: center; color: #fff; background: var(--grad); }
.post:nth-child(3n + 2) .post__art { background: linear-gradient(90deg, #086483, #16a092); }
.post:nth-child(3n) .post__art { background: linear-gradient(90deg, #16a092, #08804c); }
.post__art::before { content: ""; position: absolute; width: 190px; aspect-ratio: 1; border-radius: 50%; inset-inline-end: -70px; top: -80px; border: 26px solid rgba(255, 255, 255, 0.16); }
.post__art::after { content: ""; position: absolute; width: 110px; aspect-ratio: 1; border-radius: 50%; inset-inline-start: -40px; bottom: -60px; border: 16px solid rgba(255, 255, 255, 0.12); }
.post__art svg { position: relative; z-index: 1; }
.post__body { display: flex; flex-direction: column; flex: 1; padding: 1.3rem 1.4rem 1.5rem; }
.post__meta { display: flex; justify-content: space-between; gap: 1rem; font-size: 0.8rem; color: var(--muted); }
.post__meta span:first-child { color: var(--eyebrow); font-weight: 500; }
.post h3 { margin: 0.7rem 0 0.5rem; font-size: 1.1rem; font-weight: 600; line-height: 1.6; color: var(--ink); }
.post p { margin: 0; color: var(--muted); font-size: 0.92rem; line-height: 1.8; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.post__more { display: inline-flex; align-items: center; gap: 0.4rem; margin-top: auto; padding-top: 1rem; color: var(--link); font-weight: 600; font-size: 0.9rem; }
.row-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 1.5rem; margin-bottom: clamp(2rem, 4vw, 3rem); }
.row-head .head { margin-bottom: 0; }

/* ---------- faq ---------- */
.faq { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.faq__list { display: grid; gap: 0.7rem; }
.faq details { border-radius: 20px; border: 1px solid var(--line); background: var(--surface); transition: border-color 0.3s, box-shadow 0.3s; }
.faq details[open] { border-color: var(--tint-line); box-shadow: var(--shadow); }
.faq summary { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.1rem 1.3rem; cursor: pointer; list-style: none; font-weight: 600; color: var(--ink); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary svg { flex: none; width: 30px; height: 30px; padding: 6px; border-radius: 50%; background: var(--tint); color: var(--link); transition: transform 0.3s var(--ease); }
.faq details[open] summary svg { transform: rotate(45deg); }
.faq details p { margin: 0; padding: 0 1.3rem 1.2rem; color: var(--muted); line-height: 1.9; }

/* ---------- contact: gradient band with a white form ---------- */
.cta { position: relative; overflow: hidden; isolation: isolate; border-radius: 36px; background: var(--hero-shade), var(--hero-bg); color: #fff; box-shadow: var(--shadow-lg); }
html[data-mode="dark"] .cta { background: radial-gradient(60% 60% at 0% 0%, rgba(36, 192, 215, 0.16), transparent 60%), radial-gradient(50% 60% at 100% 100%, rgba(8, 128, 76, 0.2), transparent 60%), #041a22; border: 1px solid var(--line-2); }
.cta .ring { --ring-fill: rgba(255, 255, 255, 0.13); z-index: -1; }
.cta .ring--a { width: 520px; --rw: 60px; inset-inline-start: -200px; bottom: -260px; }
.cta .ring--b { width: 260px; --rw: 32px; inset-inline-end: 34%; top: -150px; }
html[data-mode="dark"] .cta .ring { --ring-fill: rgba(36, 192, 215, 0.07); }
.cta__in { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); gap: clamp(2rem, 4vw, 3.5rem); padding: clamp(1.6rem, 4vw, 3.2rem); }
.cta .eyebrow { color: #fff; }
.cta .eyebrow .mono { background: rgba(255, 255, 255, 0.14); border-color: rgba(255, 255, 255, 0.35); color: #fff; }
.cta .h2 { color: #fff; font-size: clamp(1.9rem, 3vw, 2.6rem); }
.cta .lead { color: rgba(255, 255, 255, 0.9); }
html[data-mode="dark"] .cta .lead { color: var(--muted); }
.contact-list { display: grid; gap: 0.7rem; margin: 2rem 0 0; }
.cline { display: flex; align-items: center; gap: 0.9rem; padding: 0.8rem 1rem; border-radius: 999px; border: 1px solid rgba(255, 255, 255, 0.3); background: rgba(255, 255, 255, 0.1); color: #fff; transition: background-color 0.25s, border-color 0.25s; min-width: 0; }
html[data-mode="dark"] .cline { border-color: var(--line); background: rgba(255, 255, 255, 0.03); }
a.cline:hover { background: rgba(255, 255, 255, 0.18); border-color: rgba(255, 255, 255, 0.55); }
.cline .ico { display: inline-flex; width: 42px; height: 42px; flex: none; align-items: center; justify-content: center; border-radius: 50%; background: #fff; color: var(--blue); }
html[data-mode="dark"] .cline .ico { background: rgba(36, 192, 215, 0.12); color: var(--cyan); }
.cline small { display: block; color: rgba(255, 255, 255, 0.82); font-size: 0.78rem; }
html[data-mode="dark"] .cline small { color: var(--dim); }
.cline b { font-weight: 600; overflow-wrap: anywhere; }
.form { display: grid; gap: 0.95rem; align-content: start; padding: clamp(1.3rem, 2.6vw, 2rem); border-radius: 28px; background: var(--surface); color: var(--text); box-shadow: 0 30px 60px -30px rgba(3, 48, 61, 0.5); }
html[data-mode="dark"] .form { background: rgba(2, 17, 23, 0.55); border: 1px solid var(--line); box-shadow: none; }
.frow { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.95rem; }
.field { display: grid; gap: 0.4rem; font-size: 0.86rem; color: var(--muted); font-weight: 500; }
.field input, .field select, .field textarea { width: 100%; min-height: 50px; padding: 0.75rem 1rem; border-radius: 16px; border: 1px solid var(--line-2); background: var(--field-bg); color: var(--ink); font: inherit; font-size: 1rem; transition: border-color 0.2s, box-shadow 0.2s; }
.field textarea { min-height: 104px; resize: vertical; }
.field select option { background: var(--surface); color: var(--ink); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 4px rgba(22, 160, 146, 0.16); }
.field ::placeholder { color: var(--dim); opacity: 0.8; }
[dir="rtl"] .field input[dir="ltr"] { text-align: right; }
.consent { display: flex; gap: 0.7rem; align-items: flex-start; font-size: 0.88rem; color: var(--muted); line-height: 1.8; cursor: pointer; }
.consent input { width: 19px; height: 19px; margin-top: 0.3rem; flex: none; accent-color: var(--teal); }
.consent a { color: var(--link); text-decoration: underline; text-underline-offset: 3px; }
.status { min-height: 1.3em; margin: 0; font-size: 0.9rem; }
.status.err { color: var(--err); }
.status.ok { color: var(--ok); }
.form__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.1rem; }
.link { color: var(--link); font-weight: 600; border-bottom: 1px solid var(--tint-line); }

/* ---------- footer (deep band) ---------- */
.footer { position: relative; overflow: hidden; background: var(--band-bg); color: var(--text); padding-top: clamp(3.5rem, 6vw, 4.5rem); }
.footer .ring { width: 420px; --rw: 48px; inset-inline-start: -170px; top: -210px; --ring-fill: rgba(36, 192, 215, 0.08); }
.footer > .wrap { position: relative; z-index: 1; }
.footer__grid { display: grid; grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr)); gap: 2.5rem; padding-bottom: 3rem; }
.footer__brand img { height: 74px; width: auto; }
.footer__brand p { margin: 1.2rem 0 0; color: var(--muted); font-size: 0.93rem; max-width: 36ch; line-height: 1.8; }
.footer h4 { margin: 0 0 1rem; font-size: 0.92rem; font-weight: 600; color: var(--ink); }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.55rem; }
.footer ul a, .footer ul span { color: var(--muted); font-size: 0.92rem; }
.footer ul a:hover { color: var(--cyan); }
.social { display: flex; gap: 0.5rem; margin-top: 1.3rem; }
.social a { display: inline-flex; width: 42px; height: 42px; align-items: center; justify-content: center; border-radius: 50%; border: 1px solid var(--line-2); color: var(--ink); }
.social a:hover { border-color: var(--cyan); color: var(--cyan); }
.footer__base { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.8rem 2rem; padding-block: 1.3rem; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.84rem; }
.footer__base p { margin: 0; }
.footer__ids { display: flex; flex-wrap: wrap; gap: 1.4rem; }

/* ---------- documents ---------- */
.doc { padding-top: calc(var(--header) + clamp(3rem, 7vw, 5rem)); padding-bottom: clamp(4rem, 8vw, 6rem); }
.doc__wrap { width: min(820px, 100%); margin-inline: auto; padding-inline: clamp(1.15rem, 4.5vw, 2rem); }
.doc h1 { margin: 0.6rem 0 0.8rem; font-size: clamp(2rem, 4.4vw, 3.1rem); line-height: 1.3; color: var(--heading); text-wrap: balance; }
.doc .eyebrow { margin-bottom: 0.4rem; }
.doc__meta { color: var(--muted); font-size: 0.9rem; margin: 0 0 1.5rem; }
.prose { font-size: 1.07rem; line-height: 2; color: var(--text); }
.prose h2 { display: flex; align-items: center; gap: 0.7rem; margin: 2.4rem 0 0.7rem; font-size: clamp(1.25rem, 2.2vw, 1.5rem); line-height: 1.5; color: var(--heading); }
.prose p { margin: 0 0 1.1rem; }
.prose ul { margin: 0 0 1.2rem; padding-inline-start: 1.3rem; display: grid; gap: 0.45rem; }
.prose li::marker { color: var(--teal); }
.num { display: inline-flex; width: 2.1rem; height: 2.1rem; flex: none; align-items: center; justify-content: center; border-radius: 50%; font-family: var(--mono); font-size: 0.85rem; background: var(--tint); color: var(--link); }
.back { display: flex; width: fit-content; align-items: center; gap: 0.45rem; margin-bottom: 1.6rem; color: var(--muted); font-size: 0.92rem; }
.back:hover { color: var(--link); }
.callout { position: relative; overflow: hidden; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.2rem; margin-top: 2.5rem; padding: 1.6rem 1.8rem; border-radius: 28px; background: var(--hero-shade), var(--hero-bg); color: #fff; }
html[data-mode="dark"] .callout { background: var(--surface); border: 1px solid var(--tint-line); color: var(--ink); }
.callout p { margin: 0; max-width: 46ch; font-weight: 500; }
.callout .btn-primary { background: var(--hbtn-bg); color: var(--hbtn-ink); }
.callout .btn-ghost { border-color: rgba(255, 255, 255, 0.5); color: #fff; }
.callout .link { color: #fff; border-color: rgba(255, 255, 255, 0.5); }
html[data-mode="dark"] .callout .btn-ghost { border-color: var(--line-2); color: var(--ink); }
html[data-mode="dark"] .callout .link { color: var(--link); }
.page-head { position: relative; overflow: hidden; }
.nf { min-height: 72vh; display: grid; place-items: center; text-align: center; }
.nf b { display: block; font-size: clamp(5rem, 14vw, 8rem); line-height: 1; font-family: var(--mono); background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- reveal ---------- */
.rv { opacity: 0; transform: translateY(24px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.rv.in { opacity: 1; transform: none; }
.no-js .rv { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 1180px) {
  .nav { display: none; }
  .burger { display: inline-flex; }
  .sheet { display: block; position: fixed; inset: var(--header) 0 0 0; z-index: 99; padding: 1.2rem clamp(1rem, 4vw, 2.5rem) 2rem; background: var(--bg); opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity 0.3s, transform 0.3s var(--ease), visibility 0.3s; overflow-y: auto; }
  .header.is-open .sheet { opacity: 1; visibility: visible; transform: none; }
  .sheet nav { display: grid; gap: 0.2rem; max-width: 560px; margin-inline: auto; }
  .sheet a:not(.btn) { display: flex; align-items: center; justify-content: space-between; padding: 1rem 0.3rem; border-bottom: 1px solid var(--line); font-size: 1.12rem; font-weight: 500; color: var(--ink); }
  .sheet a:not(.btn) svg { color: var(--icon); }
  .sheet .btn { margin-top: 1.2rem; }
  .hero { --hero-dir: 180deg; }
  .hero__grid { grid-template-columns: minmax(0, 1fr); }
  .hero__copy { text-align: center; }
  .hero__lead { margin-inline: auto; }
  .hero__cta { justify-content: center; }
  .hero__trust { justify-content: center; }
  .cc { max-width: 860px; margin-inline: auto; width: 100%; margin-top: 1rem; }
  .cc__win, [dir="rtl"] .cc__win { width: 100%; margin: 0; --ry: 0deg; }
}
@media (max-width: 1180px) {
  :root:not([data-mode="dark"]) .hero { background: linear-gradient(180deg, #086483 0%, #08804c 34%, #16a092 68%, #24c0d7 100%); }
}
@media (max-width: 980px) {
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat { min-height: 170px; }
  .c-7, .c-5, .c-4, .c-6, .c-8 { grid-column: span 12; }
  .ed, .ai, .about, .faq, .cta__in, .head--split { grid-template-columns: minmax(0, 1fr); }
  .ed__side { position: relative; top: auto; }
  .bp__list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bp__item:not(:nth-child(3n + 1)) { border-inline-start: 0; }
  .bp__item:nth-child(2n) { border-inline-start: 1px solid var(--line); }
  .sec-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sec:not(:nth-child(3n + 1)) { border-inline-start: 0; }
  .sec:nth-child(2n) { border-inline-start: 1px solid var(--line); }
  .sec:nth-last-child(-n + 3) { border-bottom: 1px solid var(--line); }
  .sec:nth-last-child(-n + 2) { border-bottom: 0; }
  .svc, .posts { grid-template-columns: minmax(0, 1fr); }
  .process { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
  :root { --header: 66px; }
  .hide-m { display: none !important; }
  .logo svg { height: 28px; }
  .header__actions { gap: 0.4rem; }
  .lang { padding: 0 0.7rem; }
  .cc { min-height: 0; }
  .cc__body { grid-template-columns: minmax(0, 1fr); min-height: 0; }
  .cc__side { display: none; }
  .cc__map { height: 240px; border-inline-end: 0; border-bottom: 1px solid var(--line); }
  .cc__rail { display: grid; grid-template-columns: minmax(0, 1fr); }
  .cc__rail .trip:nth-child(n + 4) { display: none; }
  .float--ai { position: relative; top: auto; inset-inline-end: auto; width: 100%; margin-top: -1rem; transform: none; }
  .float--tele, .float--inv { display: none; }
  .hero__trust { grid-template-columns: repeat(2, minmax(0, 1fr)); text-align: start; }
  .stat { min-height: 150px; padding: 1.2rem 1.2rem 1.4rem; border-radius: 22px; }
  .stat span { font-size: 0.86rem; }
  .agents, .frow, .process { grid-template-columns: minmax(0, 1fr); }
  .bp__list { grid-template-columns: minmax(0, 1fr); }
  .bp__item:nth-child(2n) { border-inline-start: 0; }
  .sec-grid { grid-template-columns: minmax(0, 1fr); }
  .sec:nth-child(2n) { border-inline-start: 0; }
  .sec:nth-last-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .sec:last-child { border-bottom: 0; }
  .devices { grid-template-columns: 1fr 1fr; }
  .devices .browser { grid-column: 1 / -1; }
  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hs button { width: 24px; height: 24px; font-size: 0.7rem; }
  .ui-row { grid-template-columns: 3.4rem 1fr; }
  .ui-blk { font-size: 0.6rem; padding-inline: 0.4rem; }
  .seg { display: flex; width: 100%; }
  .seg button { flex: 1; padding-inline: 0.6rem; }
  .cta { border-radius: 28px; }
  .cline { border-radius: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rv { opacity: 1; transform: none; transition: none; }
  .map-route, .arch-flow, .live, .caret, .shield::after, .hs button::after, .arch-core circle.ring2 { animation: none !important; }
  .map-bus, .map-halo, .arch-pkt { display: none; }
  .float, .cc__win { transition: none; }
}