/* =====================================================================
   BYTEWORKS LTD — Design System
   Premium, professional look: serif display headings, dark graphite hero,
   squared uppercase buttons, one restrained cobalt accent + amber spark.
   Vanilla, no build step, no external assets. Respects reduced-motion.
   ===================================================================== */

/* 1) TOKENS ----------------------------------------------------------- */
:root {
  /* Neutral ink */
  --ink-900: #101017;
  --ink-800: #1c1d26;
  --ink-700: #3a3b47;
  --ink-500: #676976;
  --ink-400: #9a9ca9;
  --ink-300: #b8bac5;

  /* Paper (warm off-white) */
  --paper:   #ffffff;
  --paper-2: #f6f4ee;
  --paper-3: #ece8de;

  /* Dark graphite surfaces */
  --g-900: #0a0a0f;
  --g-800: #101017;
  --g-700: #17181f;
  --g-600: #22232d;
  --g-500: #313340;
  --on-dark:      #dcdde5;
  --on-dark-soft: #9a9cac;

  /* Brand accent — cobalt indigo (restrained) + amber spark */
  --brand:      #3f4ae0;
  --brand-600:  #333cce;
  --brand-400:  #7078f2;
  --brand-ink:  #4650e6;          /* text on light, ~5:1 */
  --brand-050:  #eef0fd;
  --brand-glow: rgba(63, 74, 224, .35);
  --spark:      #eaa13c;          /* warm amber, tiny doses only */
  --spark-ink:  #b9781f;

  --line:        #e7e3d8;
  --line-soft:   #efece3;
  --line-dark:   #262733;

  /* Type */
  --f-display: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --f-sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, "Helvetica Neue", sans-serif;
  --f-mono: ui-monospace, "SFMono-Regular", "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;

  /* Rhythm */
  --maxw: 1220px;
  --maxw-narrow: 780px;
  --gutter: clamp(1.15rem, 4vw, 2.5rem);
  --r: 3px;
  --r-md: 6px;
  --r-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(16,16,23,.05), 0 2px 8px rgba(16,16,23,.05);
  --shadow-md: 0 8px 30px rgba(16,16,23,.10);
  --shadow-lg: 0 26px 70px rgba(10,10,20,.20);
  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
}

/* 2) RESET / BASE ----------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}
body {
  font-family: var(--f-sans);
  color: var(--ink-700);
  background: var(--paper);
  line-height: 1.7;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; }
a { color: var(--brand-ink); text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--f-display); color: var(--ink-900); line-height: 1.1; font-weight: 600; letter-spacing: -.01em; }
h1 { font-size: clamp(2.4rem, 6vw, 4.15rem); }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
h3 { font-size: 1.32rem; }
p { text-wrap: pretty; }
ul[class] { list-style: none; padding: 0; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; }
::selection { background: var(--brand); color: #fff; }
/* let flex/grid children shrink below content width (long words) */
.hero-inner > *, .split > *, .grid > *, .grid-2 > *, .grid-3 > *, .grid-4 > *,
.stat-row > *, .contact-grid > *, .footer-grid > *, .pill-row > *, .cta-band > * { min-width: 0; }

.skip-link { position: absolute; left: -999px; top: 0; z-index: 200; background: var(--brand); color: #fff; padding: .7rem 1rem; border-radius: 0 0 var(--r) 0; }
.skip-link:focus { left: 0; }

/* 3) LAYOUT ----------------------------------------------------------- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.narrow { max-width: var(--maxw-narrow); }
.section { padding-block: clamp(3.6rem, 8vw, 7rem); position: relative; }
.section--tint { background: var(--paper-2); }
.section--dark { background: var(--g-800); color: var(--on-dark); }
.section--dark h1, .section--dark h2, .section--dark h3, .section--dark h4 { color: #fff; }
.section--brand { background: var(--brand); color: #eef0ff; }
.section--brand h2, .section--brand h3 { color: #fff; }

.eyebrow {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--f-mono); font-size: .74rem; font-weight: 600; letter-spacing: .18em;
  text-transform: uppercase; color: var(--brand-ink);
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--brand); opacity: .7; }
.section--dark .eyebrow { color: var(--brand-400); }
.section--dark .eyebrow::before { background: var(--brand-400); }
.section--brand .eyebrow { color: #dfe2ff; }
.section--brand .eyebrow::before { background: #cfd3ff; }
.center-block .eyebrow::before { display: none; }

.section-head { max-width: 760px; margin-bottom: clamp(2rem, 4vw, 3.2rem); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { margin-top: .7rem; }
.lead { font-size: 1.2rem; color: var(--ink-500); line-height: 1.65; }
.section--dark .lead { color: var(--on-dark-soft); }
.mt-s { margin-top: 1.6rem; } .mt-m { margin-top: 2.4rem; }

/* 4) HEADER / NAV ----------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 90;
  background: rgba(255,255,255,.82); backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent; transition: border-color .3s var(--ease), background .3s var(--ease);
}
.site-header.scrolled { border-bottom-color: var(--line); box-shadow: var(--shadow-sm); }
.nav { display: flex; align-items: center; gap: 1.5rem; height: 74px; }
.brand { display: inline-flex; align-items: center; gap: .65rem; flex-shrink: 0; margin-right: auto; }
.brand .mark { width: 38px; height: 38px; }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-text b { font-family: var(--f-display); font-size: 1.28rem; color: var(--ink-900); letter-spacing: -.02em; }
.brand-text span { font-family: var(--f-mono); font-size: .58rem; letter-spacing: .34em; text-transform: uppercase; color: var(--ink-400); margin-top: .28rem; }
.nav-links { display: flex; align-items: center; gap: 1.6rem; }
.nav-links a { font-size: .95rem; font-weight: 500; color: var(--ink-700); position: relative; padding-block: .4rem; }
.nav-links a::after { content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0; background: var(--brand); transition: width .28s var(--ease); }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink-900); }
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { width: 100%; }
.nav-cta { display: flex; align-items: center; gap: .85rem; }
.lang-switch { display: inline-flex; align-items: center; gap: .1rem; font-family: var(--f-mono); font-size: .74rem; font-weight: 600; }
.lang-switch a, .lang-switch .cur { padding: .34rem .5rem; border-radius: var(--r); line-height: 1; }
.lang-switch .cur { background: var(--ink-900); color: #fff; }
.lang-switch a { color: var(--ink-400); }
.lang-switch a:hover { color: var(--ink-900); background: var(--paper-2); }
.nav-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: var(--paper); border-radius: var(--r); cursor: pointer; position: relative; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 50%; top: 50%; width: 18px; height: 2px; background: var(--ink-900); transform: translate(-50%,-50%); transition: transform .25s var(--ease), opacity .2s; }
.nav-toggle span::before { top: -6px; } .nav-toggle span::after { top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { top: 0; transform: rotate(-45deg); }
.site-nav-mobile { display: none; }

/* 5) BUTTONS ---------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  font-family: var(--f-sans); font-size: .8rem; font-weight: 650; letter-spacing: .09em; text-transform: uppercase;
  padding: .95rem 1.6rem; border-radius: var(--r); border: 1.5px solid transparent; cursor: pointer;
  transition: transform .2s var(--ease), background .2s var(--ease), color .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn svg { width: 17px; height: 17px; }
.btn-primary { background: var(--ink-900); color: #fff; }
.btn-primary:hover { background: #000; color: #fff; box-shadow: 0 12px 26px rgba(16,16,23,.28); }
.btn-brand { background: var(--brand); color: #fff; }
.btn-brand:hover { background: var(--brand-600); color: #fff; box-shadow: 0 12px 30px var(--brand-glow); }
.btn-ghost { background: transparent; color: var(--ink-900); border-color: var(--line-strong, #d8d3c6); border-color: #d6d1c4; }
.btn-ghost:hover { border-color: var(--ink-900); }
.section--dark .btn-ghost, .section--brand .btn-ghost, .hero .btn-ghost, .page-hero .btn-ghost { color: #fff; border-color: rgba(255,255,255,.32); }
.section--dark .btn-ghost:hover, .section--brand .btn-ghost:hover, .hero .btn-ghost:hover, .page-hero .btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.06); }
.btn-white { background: #fff; color: var(--ink-900); }
.btn-white:hover { background: #fff; color: #000; box-shadow: 0 14px 30px rgba(0,0,0,.25); }
.btn-lg { padding: 1.1rem 2rem; font-size: .84rem; }
.btn-block { width: 100%; }
.link-arrow { display: inline-flex; align-items: center; gap: .45rem; font-weight: 600; color: var(--brand-ink); }
.link-arrow::after { content: "\2192"; transition: transform .2s var(--ease); }
.link-arrow:hover::after { transform: translateX(5px); }

/* 6) HERO ------------------------------------------------------------- */
.hero { position: relative; background: var(--g-900); color: var(--on-dark); overflow: hidden; padding-block: clamp(3.5rem, 9vw, 7rem); }
.hero::before { /* animated indigo aurora */
  content: ""; position: absolute; inset: -20% -10% auto -10%; height: 130%; z-index: 0; pointer-events: none;
  background:
    radial-gradient(60% 55% at 20% 20%, rgba(63,74,224,.42), transparent 60%),
    radial-gradient(55% 50% at 85% 30%, rgba(112,120,242,.22), transparent 62%),
    radial-gradient(45% 45% at 70% 85%, rgba(234,161,60,.10), transparent 60%);
  animation: aurora 18s var(--ease) infinite alternate;
}
.hero::after { /* subtle grid */
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 46px 46px; mask-image: radial-gradient(circle at 50% 40%, #000 40%, transparent 78%);
}
@keyframes aurora { 0% { transform: translate3d(0,0,0) scale(1); } 50% { transform: translate3d(3%,-2%,0) scale(1.06); } 100% { transform: translate3d(-2%,1%,0) scale(1.03); } }
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.hero h1 { color: #fff; margin: 1.3rem 0 1.3rem; }
.hero h1 .accent { color: var(--brand-400); font-style: italic; }
.hero .rotator { color: var(--spark); font-style: italic; white-space: nowrap; }
.hero .lead { color: var(--on-dark-soft); max-width: 52ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2.2rem; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 1rem 1.8rem; margin-top: 2.4rem; }
.hero-badge { display: flex; align-items: center; gap: .55rem; font-size: .88rem; color: var(--on-dark-soft); }
.hero-badge svg { width: 20px; height: 20px; color: var(--brand-400); flex-shrink: 0; }
.hero-chip { display: inline-flex; align-items: center; gap: .55rem; font-family: var(--f-mono); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--on-dark-soft); border: 1px solid var(--line-dark); background: rgba(255,255,255,.03); padding: .45rem .8rem; border-radius: 100px; }
.hero-chip .dot { width: 8px; height: 8px; border-radius: 50%; background: #34d399; box-shadow: 0 0 0 0 rgba(52,211,153,.5); animation: pulse 2.4s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(52,211,153,.5);} 70%{box-shadow:0 0 0 8px rgba(52,211,153,0);} 100%{box-shadow:0 0 0 0 rgba(52,211,153,0);} }

/* Hero visual: floating glass panel with code / mini-cards */
.hero-visual { position: relative; }
.glass {
  background: linear-gradient(160deg, rgba(255,255,255,.09), rgba(255,255,255,.03));
  border: 1px solid rgba(255,255,255,.12); border-radius: var(--r-lg);
  backdrop-filter: blur(8px); box-shadow: var(--shadow-lg);
}
.code-card { padding: 1.1rem 1.2rem; font-family: var(--f-mono); font-size: .8rem; color: #c9cbe6; }
.code-card .dots { display: flex; gap: .4rem; margin-bottom: .9rem; }
.code-card .dots i { width: 11px; height: 11px; border-radius: 50%; display: block; }
.code-card .dots i:nth-child(1){ background:#ff5f57;} .code-card .dots i:nth-child(2){ background:#febc2e;} .code-card .dots i:nth-child(3){ background:#28c840;}
.code-card pre { white-space: pre-wrap; line-height: 1.75; margin: 0; }
.code-card .k { color: #7078f2; } .code-card .s { color: #7fd1b9; } .code-card .c { color: #6b6d86; } .code-card .fn { color: #eaa13c; }
.float-card { position: absolute; display: flex; align-items: center; gap: .7rem; padding: .75rem .95rem; font-size: .82rem; color: #fff; }
.float-card svg { width: 20px; height: 20px; color: var(--brand-400); }
.float-card b { font-family: var(--f-sans); font-weight: 650; font-size: .9rem; display: block; }
.float-card span { color: var(--on-dark-soft); font-size: .74rem; }
.float-a { top: -18px; right: -10px; animation: floaty 6s ease-in-out infinite; }
.float-b { bottom: -22px; left: -14px; animation: floaty 7s ease-in-out infinite reverse; }
@keyframes floaty { 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(-12px);} }

/* 7) MARQUEE ---------------------------------------------------------- */
.marquee { overflow: hidden; border-block: 1px solid var(--line-dark); background: var(--g-900); padding-block: 1.1rem; }
.marquee__track { display: flex; gap: 3rem; width: max-content; animation: marquee 34s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee span { font-family: var(--f-mono); font-size: .9rem; letter-spacing: .06em; color: var(--on-dark-soft); white-space: nowrap; display: inline-flex; align-items: center; gap: .8rem; }
.marquee span::after { content: "\2022"; color: var(--brand-400); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* 8) GRID + CARDS ----------------------------------------------------- */
.grid { display: grid; gap: clamp(1.1rem, 2.4vw, 1.7rem); }
.grid-2 { grid-template-columns: repeat(2,1fr); }
.grid-3 { grid-template-columns: repeat(3,1fr); }
.grid-4 { grid-template-columns: repeat(4,1fr); }

.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-md); padding: 1.7rem 1.6rem; transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease); position: relative; }
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: #ded9cc; }
.card .ic { width: 52px; height: 52px; display: grid; place-items: center; border-radius: var(--r-md); background: var(--brand-050); color: var(--brand-ink); margin-bottom: 1.1rem; transition: transform .3s var(--ease); }
.card:hover .ic { transform: translateY(-2px) scale(1.05); }
.card .ic svg { width: 26px; height: 26px; }
.card h3 { margin-bottom: .5rem; }
.card p { color: var(--ink-500); font-size: 1rem; }
.card .num { position: absolute; top: 1.3rem; right: 1.5rem; font-family: var(--f-display); font-size: 1.1rem; color: var(--ink-300); }
.section--dark .card { background: var(--g-700); border-color: var(--line-dark); }
.section--dark .card:hover { border-color: var(--g-500); }
.section--dark .card p { color: var(--on-dark-soft); }
.section--dark .card .ic { background: rgba(112,120,242,.14); color: var(--brand-400); }

/* Service pillar card (bigger, with list) */
.pillar { display: flex; flex-direction: column; }
.pillar .tag { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--brand-ink); }
.pillar h3 { font-size: 1.55rem; margin: .3rem 0 .7rem; }
.pillar ul { display: grid; gap: .55rem; margin-top: 1rem; list-style: none; padding: 0; }
.site-nav-mobile ul { list-style: none; padding: 0; }
.pillar ul li { position: relative; padding-left: 1.7rem; color: var(--ink-700); font-size: .98rem; }
.pillar ul li::before { content: ""; position: absolute; left: 0; top: .55em; width: 8px; height: 8px; border-radius: 2px; background: var(--brand); transform: rotate(45deg); }
.pillar .link-arrow { margin-top: auto; padding-top: 1.4rem; }

/* checklist */
.checklist { display: grid; gap: .75rem; margin-top: 1.3rem; }
.checklist li { position: relative; padding-left: 2rem; color: var(--ink-700); }
.checklist li::before { content: ""; position: absolute; left: 0; top: .18em; width: 20px; height: 20px; border-radius: 50%; background: var(--brand-050); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%233f4ae0' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: center; }
.section--dark .checklist li { color: var(--on-dark); }
.section--dark .checklist li::before { background-color: rgba(112,120,242,.18); }

/* pills */
.pill-row { display: flex; flex-wrap: wrap; gap: .5rem; }
.pill { font-family: var(--f-mono); font-size: .78rem; font-weight: 500; color: var(--ink-700); background: var(--paper); border: 1px solid var(--line); padding: .38rem .8rem; border-radius: 100px; transition: border-color .2s, color .2s, transform .2s; }
.pill:hover { border-color: var(--brand); color: var(--brand-ink); transform: translateY(-2px); }
.section--dark .pill { background: var(--g-700); border-color: var(--line-dark); color: var(--on-dark-soft); }

/* 9) SPLIT ------------------------------------------------------------ */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,5vw,4.5rem); align-items: center; }
.split--rev .media { order: 2; }
.split .media { position: relative; }
.split .media img, .split .media svg { width: 100%; border-radius: var(--r-lg); box-shadow: var(--shadow-md); }

/* 10) STATS ----------------------------------------------------------- */
.stat-row { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.5rem; }
.stat { text-align: center; }
.stat b { font-family: var(--f-display); font-size: clamp(2.2rem,5vw,3.4rem); color: #fff; display: block; line-height: 1; letter-spacing: -.02em; }
.section--dark .stat b { color: #fff; }
.stat b .suf { color: var(--brand-400); }
.stat span { display: block; margin-top: .6rem; font-size: .9rem; color: var(--on-dark-soft); letter-spacing: .02em; }

/* 11) PROCESS TIMELINE ------------------------------------------------ */
.steps { display: grid; grid-template-columns: repeat(5,1fr); gap: 1.2rem; counter-reset: step; }
.step { position: relative; padding-top: 2.6rem; }
.step::before { counter-increment: step; content: "0" counter(step); position: absolute; top: 0; left: 0; font-family: var(--f-mono); font-size: .8rem; color: var(--brand-ink); font-weight: 700; }
.step::after { content: ""; position: absolute; top: .55rem; left: 2.4rem; right: -1.2rem; height: 1px; background: var(--line); }
.step:last-child::after { display: none; }
.step .dot { position: absolute; top: .2rem; left: 1.6rem; width: 9px; height: 9px; border-radius: 50%; background: var(--brand); }
.step h4 { font-size: 1.1rem; margin-bottom: .4rem; }
.step p { font-size: .93rem; color: var(--ink-500); }
.section--dark .step p { color: var(--on-dark-soft); }
.section--dark .step::after { background: var(--line-dark); }

/* 12) TABS (services interactive) ------------------------------------ */
.tabs { }
.tab-btns { display: flex; flex-wrap: wrap; gap: .6rem; border-bottom: 1px solid var(--line); margin-bottom: 2rem; }
.tab-btn { font-family: var(--f-sans); font-weight: 600; font-size: .95rem; color: var(--ink-500); background: none; border: none; border-bottom: 2px solid transparent; padding: .8rem 1rem; cursor: pointer; margin-bottom: -1px; transition: color .2s, border-color .2s; }
.tab-btn[aria-selected="true"] { color: var(--ink-900); border-bottom-color: var(--brand); }
.tab-btn:hover { color: var(--ink-900); }
.tab-panel { display: none; animation: fade .4s var(--ease); }
.tab-panel.active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(8px);} to { opacity:1; transform:none;} }

/* 13) WORK / CAPABILITY SHOWCASE ------------------------------------- */
.filter-row { display: flex; flex-wrap: wrap; gap: .5rem; justify-content: center; margin-bottom: 2.2rem; }
.filter-btn { font-family: var(--f-mono); font-size: .78rem; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-500); background: var(--paper); border: 1px solid var(--line); padding: .5rem 1rem; border-radius: 100px; cursor: pointer; transition: all .2s var(--ease); }
.filter-btn[aria-pressed="true"], .filter-btn:hover { background: var(--ink-900); color: #fff; border-color: var(--ink-900); }
.work-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.4rem; }
.work-card { position: relative; overflow: hidden; border-radius: var(--r-md); border: 1px solid var(--line); background: var(--paper); transition: transform .35s var(--ease), box-shadow .35s var(--ease); }
.work-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.work-card .thumb { aspect-ratio: 16/11; overflow: hidden; }
.work-card .thumb svg, .work-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.work-card:hover .thumb svg, .work-card:hover .thumb img { transform: scale(1.05); }
.work-card .body { padding: 1.15rem 1.3rem 1.4rem; }
.work-card .cat { font-family: var(--f-mono); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--brand-ink); }
.work-card h3 { font-size: 1.18rem; margin: .35rem 0 .3rem; }
.work-card p { font-size: .92rem; color: var(--ink-500); }
.work-card.hide { display: none; }

/* 14) FAQ ------------------------------------------------------------- */
.faq { max-width: 860px; margin-inline: auto; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 1.25rem 2.6rem 1.25rem 0; position: relative; font-family: var(--f-display); font-size: 1.18rem; color: var(--ink-900); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: .2rem; top: 50%; transform: translateY(-50%); font-family: var(--f-sans); font-size: 1.5rem; color: var(--brand); transition: transform .25s var(--ease); }
.faq details[open] summary::after { content: "\2013"; }
.faq details > p { padding-bottom: 1.3rem; color: var(--ink-500); }

/* 15) CTA BAND -------------------------------------------------------- */
.cta-band { text-align: center; max-width: 780px; margin-inline: auto; }
.cta-band h2 { margin-bottom: 1rem; }
.cta-actions { display: flex; flex-wrap: wrap; gap: .9rem; justify-content: center; margin-top: 2rem; }

/* 16) PAGE HERO (interior) ------------------------------------------- */
.page-hero { background: var(--g-900); color: var(--on-dark); position: relative; overflow: hidden; padding-block: clamp(3rem,7vw,5.5rem); }
.page-hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(50% 60% at 15% 20%, rgba(63,74,224,.35), transparent 60%), radial-gradient(45% 50% at 90% 80%, rgba(234,161,60,.08), transparent 60%); }
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; margin: .5rem 0 .8rem; }
.page-hero p { color: var(--on-dark-soft); max-width: 62ch; font-size: 1.14rem; }
.crumb { font-family: var(--f-mono); font-size: .78rem; color: var(--on-dark-soft); padding-block: .5rem 1rem; letter-spacing: .04em; }
.crumb a { color: var(--on-dark-soft); } .crumb a:hover { color: #fff; }
.crumb span { color: var(--brand-400); }

/* 17) FORMS ----------------------------------------------------------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,5vw,4rem); align-items: start; }
.form { display: grid; gap: 1.1rem; }
.field { display: grid; gap: .4rem; }
.field label { font-size: .82rem; font-weight: 650; color: var(--ink-900); letter-spacing: .02em; }
.field .req { color: var(--brand); }
.field input, .field textarea, .field select {
  font-family: inherit; font-size: 1rem; color: var(--ink-900); background: var(--paper);
  padding: .85rem 1rem; border: 1.5px solid var(--line); border-radius: var(--r); width: 100%;
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-glow); }
.field textarea { min-height: 150px; resize: vertical; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.consent { display: flex; gap: .6rem; align-items: flex-start; font-size: .9rem; color: var(--ink-500); }
.consent input { width: 18px; height: 18px; margin-top: .3rem; flex-shrink: 0; accent-color: var(--brand); }
.form-note { font-size: .84rem; color: var(--ink-400); }
.form-status { padding: .9rem 1.1rem; border-radius: var(--r); font-size: .95rem; display: none; }
.form-status.ok { display: block; background: var(--brand-050); color: var(--brand-600); border: 1px solid #d7dbfa; }
.form-status.err { display: block; background: #fdf1ec; color: #b0522f; border: 1px solid #f3d7c9; }
.contact-info { display: grid; gap: 1.5rem; }
.contact-item { display: flex; gap: 1rem; align-items: flex-start; }
.contact-item .ic { width: 46px; height: 46px; border-radius: var(--r-md); background: var(--brand-050); color: var(--brand-ink); display: grid; place-items: center; flex-shrink: 0; }
.contact-item .ic svg { width: 22px; height: 22px; }
.contact-item b { display: block; color: var(--ink-900); font-size: .95rem; }
.contact-item a, .contact-item span { color: var(--ink-500); font-size: .98rem; }

/* 18) FOOTER ---------------------------------------------------------- */
.site-footer { background: var(--g-900); color: var(--on-dark-soft); padding-block: clamp(3rem,6vw,4.5rem) 0; font-size: .95rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 2.5rem; padding-bottom: 3rem; }
.footer-brand .brand-text b { color: #fff; } .footer-brand .brand-text span { color: #6f7188; }
.footer-about { max-width: 34ch; margin-top: 1.1rem; color: #8a8ca0; }
.footer-social { display: flex; gap: .6rem; margin-top: 1.3rem; }
.footer-social a { width: 38px; height: 38px; border: 1px solid var(--line-dark); border-radius: var(--r-md); display: grid; place-items: center; color: var(--on-dark-soft); transition: all .2s var(--ease); }
.footer-social a:hover { border-color: var(--brand-400); color: #fff; background: rgba(112,120,242,.12); transform: translateY(-2px); }
.footer-social svg { width: 18px; height: 18px; }
.footer-col h4 { color: #fff; font-family: var(--f-sans); font-size: .78rem; text-transform: uppercase; letter-spacing: .14em; margin-bottom: 1.1rem; }
.footer-col ul { display: grid; gap: .6rem; }
.footer-col a { color: var(--on-dark-soft); } .footer-col a:hover { color: var(--brand-400); }
.footer-contact li { display: flex; gap: .6rem; align-items: flex-start; margin-bottom: .6rem; }
.footer-contact svg { width: 17px; height: 17px; color: var(--brand-400); flex-shrink: 0; margin-top: .2rem; }
.footer-bottom { border-top: 1px solid var(--line-dark); padding-block: 1.5rem; display: flex; flex-wrap: wrap; gap: .8rem 1.5rem; justify-content: space-between; align-items: center; font-size: .84rem; color: #6f7188; }
.footer-bottom a { color: #8a8ca0; }
.footer-legal { display: flex; gap: 1.3rem; flex-wrap: wrap; }

/* 19) MISC / INTERACTIVE --------------------------------------------- */
.scroll-progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; z-index: 200; background: linear-gradient(90deg, var(--brand), var(--brand-400), var(--spark)); }
.to-top { position: fixed; right: clamp(1rem,3vw,1.8rem); bottom: clamp(1rem,3vw,1.8rem); z-index: 89; width: 46px; height: 46px; border-radius: var(--r-md); background: var(--ink-900); color: #fff; border: none; display: grid; place-items: center; box-shadow: var(--shadow-md); cursor: pointer; opacity: 0; visibility: hidden; transform: translateY(10px); transition: all .3s var(--ease); }
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top svg { width: 20px; height: 20px; }
.divider { height: 1px; background: var(--line); border: 0; margin: 0; }
.badge-row { display: flex; flex-wrap: wrap; gap: 1.4rem 2rem; align-items: center; }
.trust-badge { display: flex; align-items: center; gap: .6rem; font-size: .9rem; color: var(--ink-500); }
.trust-badge svg { width: 22px; height: 22px; color: var(--brand-ink); }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1{transition-delay:.08s;} .reveal.d2{transition-delay:.16s;} .reveal.d3{transition-delay:.24s;} .reveal.d4{transition-delay:.32s;}

/* 20) RESPONSIVE ------------------------------------------------------ */
@media (max-width: 1000px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { max-width: 460px; margin-top: 1rem; }
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .grid-3 { grid-template-columns: repeat(2,1fr); }
  .work-grid { grid-template-columns: repeat(2,1fr); }
  .steps { grid-template-columns: repeat(2,1fr); gap: 1.8rem; }
  .step::after { display: none; }
  .split, .contact-grid { grid-template-columns: 1fr; }
  .split--rev .media { order: -1; }
  .stat-row { grid-template-columns: repeat(2,1fr); gap: 2.2rem 1.5rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 820px) {
  .nav-links, .nav-cta .btn, .nav-cta .lang-switch { display: none; }
  .nav-toggle { display: block; }
  .site-nav-mobile { position: fixed; inset: 74px 0 auto 0; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: var(--shadow-lg); padding: 1.2rem var(--gutter) 1.6rem; display: none; z-index: 95; }
  .site-nav-mobile.open { display: block; animation: slideDown .3s var(--ease); }
  .site-nav-mobile ul { display: grid; gap: .1rem; }
  .site-nav-mobile a { display: block; padding: .9rem .3rem; font-size: 1.05rem; font-weight: 550; color: var(--ink-900); border-bottom: 1px solid var(--line-soft); }
  .site-nav-mobile .btn { margin-top: 1.1rem; display: flex; }
  .site-nav-mobile .lang-switch { margin-top: 1.1rem; justify-content: center; display: flex; }
}
@keyframes slideDown { from { opacity: 0; transform: translateY(-8px);} to { opacity:1; transform:none;} }
@media (max-width: 620px) {
  .grid-2, .grid-3, .grid-4, .work-grid { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: repeat(2,1fr); }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-badges { gap: .8rem 1.4rem; }
  .tab-btns { overflow-x: auto; flex-wrap: nowrap; }
}

/* 21) LEGAL / PROSE --------------------------------------------------- */
.legal { max-width: 820px; }
.legal h2 { font-size: 1.5rem; margin: 2.6rem 0 .8rem; }
.legal h2:first-child { margin-top: 0; }
.legal h3 { font-size: 1.12rem; margin: 1.7rem 0 .5rem; }
.legal p { color: var(--ink-500); margin-bottom: 1rem; }
.legal ul { list-style: disc; padding-left: 1.35rem; margin: .4rem 0 1.2rem; display: grid; gap: .4rem; color: var(--ink-500); }
.legal a { text-decoration: underline; }
.legal address { font-style: normal; color: var(--ink-500); }
.legal .updated { font-family: var(--f-mono); font-size: .8rem; color: var(--ink-400); margin-bottom: 2rem; }

/* 404 */
.err-hero { text-align: center; padding-block: clamp(4rem, 12vw, 8rem); }
.err-hero .code { font-family: var(--f-display); font-size: clamp(5rem, 18vw, 10rem); line-height: 1; color: var(--brand); }
.err-hero h1 { margin: 1rem 0 .8rem; }
.err-hero p { color: var(--ink-500); max-width: 46ch; margin: 0 auto 2rem; }
.err-actions { display: flex; gap: .9rem; justify-content: center; flex-wrap: wrap; }