/* =================================================================
   BRAINCUBER TECHNOLOGIES PRIVATE LIMITED
   Design language: deep-space aurora + glass panels
   ================================================================= */

/* ---------- tokens ---------- */
:root {
  --violet: #7C5CFF;
  --violet-soft: #9D86FF;
  --cyan: #2FE2D0;
  --pink: #FF6BA8;

  --radius-xs: 10px;
  --radius-sm: 14px;
  --radius: 20px;
  --radius-lg: 28px;

  --shell: 1200px;
  --gap: clamp(1rem, 2.4vw, 1.75rem);

  --font-display: 'Sora', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

:root[data-theme="dark"] {
  --bg: #070A14;
  --bg-2: #0B1020;
  --surface: rgba(255, 255, 255, .038);
  --surface-2: rgba(255, 255, 255, .06);
  --line: rgba(255, 255, 255, .09);
  --line-strong: rgba(255, 255, 255, .16);
  --text: #EAEEFB;
  --text-soft: #AFB9D6;
  --text-dim: #7D88A8;
  --head-bg: rgba(8, 11, 22, .72);
  --shadow: 0 30px 70px -40px rgba(0, 0, 0, .95);
  --blob-1: rgba(124, 92, 255, .40);
  --blob-2: rgba(47, 226, 208, .22);
  --blob-3: rgba(255, 107, 168, .18);
  --grid-line: rgba(255, 255, 255, .035);
  --on-accent: #0A0D18;
}

:root[data-theme="light"] {
  --bg: #F5F6FC;
  --bg-2: #FFFFFF;
  --surface: rgba(255, 255, 255, .78);
  --surface-2: #FFFFFF;
  --line: rgba(16, 22, 48, .10);
  --line-strong: rgba(16, 22, 48, .20);
  --text: #121732;
  --text-soft: #4B5572;
  --text-dim: #6B7590;
  --head-bg: rgba(245, 246, 252, .82);
  --shadow: 0 28px 60px -42px rgba(26, 32, 70, .55);
  --blob-1: rgba(124, 92, 255, .26);
  --blob-2: rgba(47, 226, 208, .22);
  --blob-3: rgba(255, 107, 168, .16);
  --grid-line: rgba(16, 22, 48, .045);
  --on-accent: #FFFFFF;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 110px; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background .4s var(--ease), color .4s var(--ease);
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: -.02em;
  margin: 0 0 .6em;
}
h1 { font-size: clamp(2.4rem, 6vw, 4.1rem); }
h2 { font-size: clamp(1.85rem, 3.9vw, 2.9rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }
p  { margin: 0 0 1.1em; color: var(--text-soft); }
p:last-child { margin-bottom: 0; }

::selection { background: var(--violet); color: #fff; }

.shell { width: min(100% - 2.4rem, var(--shell)); margin-inline: auto; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--violet); color: #fff; padding: .7rem 1.2rem; border-radius: 0 0 var(--radius-xs) 0;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 2px solid var(--violet-soft); outline-offset: 3px; border-radius: 6px; }

.icon { width: 22px; height: 22px; flex: none; }
.icon--xs { width: 14px; height: 14px; }
.icon--sm { width: 18px; height: 18px; }

/* ---------- aurora backdrop ---------- */
.aurora { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.aurora__blob { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .9; }
.aurora__blob--1 { width: 46vw; height: 46vw; min-width: 380px; min-height: 380px; top: -14vw; left: -8vw; background: var(--blob-1); animation: drift1 26s ease-in-out infinite; }
.aurora__blob--2 { width: 38vw; height: 38vw; min-width: 320px; min-height: 320px; top: 32vh; right: -10vw; background: var(--blob-2); animation: drift2 32s ease-in-out infinite; }
.aurora__blob--3 { width: 34vw; height: 34vw; min-width: 280px; min-height: 280px; bottom: -12vw; left: 28vw; background: var(--blob-3); animation: drift1 38s ease-in-out infinite reverse; }
.aurora__grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at 50% 10%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 50% 10%, #000 0%, transparent 72%);
}
@keyframes drift1 { 0%,100% { transform: translate3d(0,0,0) scale(1); } 50% { transform: translate3d(6vw, 5vh, 0) scale(1.12); } }
@keyframes drift2 { 0%,100% { transform: translate3d(0,0,0) scale(1.05); } 50% { transform: translate3d(-5vw, -6vh, 0) scale(.92); } }

/* ---------- topbar ---------- */
.topbar {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  font-size: .76rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.topbar__in { display: flex; align-items: center; gap: 1.3rem; height: 40px; }
.topbar__item { display: inline-flex; align-items: center; gap: .45rem; white-space: nowrap; }
.topbar__spacer { flex: 1; }
.topbar__link:hover { color: var(--text); }

/* ---------- header ---------- */
.site-head {
  position: sticky; top: 0; z-index: 60;
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  background: var(--head-bg);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.site-head.is-stuck { border-bottom-color: var(--line); }
.site-head__in { display: flex; align-items: center; gap: 1rem; min-height: 72px; }

.brand { display: inline-flex; align-items: center; gap: .7rem; margin-right: auto; }
.brand__mark {
  width: 40px; height: 40px; flex: none; display: grid; place-items: center;
  border-radius: 12px;
  color: #fff;
  background: linear-gradient(145deg, var(--violet), #4B2FD0 60%, var(--cyan));
  box-shadow: 0 10px 28px -14px var(--violet);
}
.brand__mark svg { width: 26px; height: 26px; }
.brand__text { display: grid; line-height: 1.15; }
.brand__text strong { font-family: var(--font-display); font-weight: 700; font-size: 1.02rem; letter-spacing: .07em; }
.brand__text small { font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text-dim); }

.nav { display: flex; align-items: center; gap: .3rem; }
.nav__link {
  position: relative; padding: .55rem .85rem; border-radius: 999px;
  font-size: .9rem; font-weight: 500; color: var(--text-soft);
  transition: color .25s var(--ease), background .25s var(--ease);
}
.nav__link:hover { color: var(--text); background: var(--surface-2); }
.nav__link.is-active { color: var(--text); }
.nav__link.is-active::after {
  content: ''; position: absolute; left: 50%; bottom: .18rem; translate: -50% 0;
  width: 18px; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--violet), var(--cyan));
}
.nav__cta { margin-left: .6rem; }

.head-tools { display: flex; align-items: center; gap: .5rem; }
.icon-btn {
  width: 40px; height: 40px; display: grid; place-items: center;
  border: 1px solid var(--line); border-radius: 12px;
  background: var(--surface); color: var(--text-soft); cursor: pointer;
  transition: color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}
.icon-btn:hover { color: var(--text); border-color: var(--line-strong); transform: translateY(-1px); }
.icon-btn .icon { width: 19px; height: 19px; }
:root[data-theme="dark"] .icon--sun { display: block; }
:root[data-theme="dark"] .icon--moon { display: none; }
:root[data-theme="light"] .icon--sun { display: none; }
:root[data-theme="light"] .icon--moon { display: block; }

.burger { display: none; width: 42px; height: 40px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); cursor: pointer; padding: 0; }
.burger span { display: block; width: 18px; height: 1.8px; margin: 3.4px auto; border-radius: 2px; background: var(--text); transition: transform .3s var(--ease), opacity .25s var(--ease); }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(5.2px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5.2px) rotate(-45deg); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  padding: .85rem 1.5rem; border-radius: 999px; border: 1px solid transparent;
  font-family: var(--font-display); font-size: .92rem; font-weight: 600; letter-spacing: .01em;
  cursor: pointer; white-space: nowrap;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.btn--sm { padding: .6rem 1.1rem; font-size: .85rem; }
.btn--lg { padding: 1rem 1.9rem; font-size: 1rem; }
.btn--primary {
  color: #fff;
  background: linear-gradient(120deg, var(--violet), #5B3BE8 55%, #2E9FE0);
  box-shadow: 0 16px 36px -18px var(--violet);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 22px 44px -18px var(--violet); }
.btn--ghost { color: var(--text); background: var(--surface); border-color: var(--line-strong); }
.btn--ghost:hover { transform: translateY(-2px); border-color: var(--violet-soft); color: var(--text); }
.btn--line { color: var(--text-soft); border-color: var(--line); background: transparent; }
.btn--line:hover { color: var(--text); border-color: var(--line-strong); }
.btn[disabled] { opacity: .55; pointer-events: none; }

/* ---------- shared bits ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--font-display); font-size: .72rem; font-weight: 600;
  letter-spacing: .18em; text-transform: uppercase; color: var(--text-dim);
  margin-bottom: 1rem;
}
.eyebrow::before { content: ''; width: 22px; height: 1.5px; background: linear-gradient(90deg, var(--violet), var(--cyan)); border-radius: 2px; }

.section { padding: clamp(3.6rem, 8vw, 6.5rem) 0; }
.section--tight { padding: clamp(2.6rem, 5vw, 4rem) 0; }

.sec-head { max-width: 640px; margin-bottom: clamp(2rem, 4vw, 3rem); }
.sec-head--wide { max-width: 780px; }
.sec-head p { font-size: 1.03rem; }
.sec-head--split { max-width: none; display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.sec-head--split > div { max-width: 640px; }

.grad-text { background: linear-gradient(100deg, var(--violet-soft), var(--cyan)); -webkit-background-clip: text; background-clip: text; color: transparent; }
:root[data-theme="light"] .grad-text { background: linear-gradient(100deg, #5B3BE8, #0E8FA8); -webkit-background-clip: text; background-clip: text; }

.card {
  position: relative; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  padding: clamp(1.3rem, 2.4vw, 1.9rem);
  transition: transform .35s var(--ease), border-color .35s var(--ease), background .35s var(--ease);
}
.card:hover { transform: translateY(-4px); border-color: var(--line-strong); }

.chip-row { display: flex; flex-wrap: wrap; gap: .5rem; }
.chip {
  font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; font-weight: 600;
  padding: .36rem .75rem; border-radius: 999px;
  border: 1px solid var(--line); background: var(--surface-2); color: var(--text-dim);
}

.tick-list li { position: relative; padding-left: 1.75rem; margin-bottom: .6rem; color: var(--text-soft); font-size: .95rem; }
.tick-list li:last-child { margin-bottom: 0; }
.tick-list li::before {
  content: ''; position: absolute; left: 0; top: .52em;
  width: 9px; height: 9px; border-radius: 3px;
  background: linear-gradient(135deg, var(--violet), var(--cyan));
}

/* ---------- hero ---------- */
.hero { padding: clamp(3rem, 7vw, 5.6rem) 0 clamp(2.5rem, 5vw, 4rem); }
.hero__grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.hero__badge {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .45rem .95rem .45rem .55rem; border-radius: 999px;
  border: 1px solid var(--line); background: var(--surface);
  font-size: .78rem; color: var(--text-soft); margin-bottom: 1.6rem;
}
.hero__badge b { font-weight: 600; color: var(--text); }
.hero__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 4px color-mix(in srgb, var(--cyan) 22%, transparent); }
.hero h1 { margin-bottom: 1.1rem; }
.hero__lead { font-size: clamp(1.02rem, 1.6vw, 1.14rem); max-width: 54ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .8rem; margin: 2rem 0 2.2rem; }
.hero__trust { display: flex; flex-wrap: wrap; gap: 1.6rem; padding-top: 1.6rem; border-top: 1px solid var(--line); }
.hero__trust li { display: flex; align-items: center; gap: .55rem; font-size: .84rem; color: var(--text-dim); }
.hero__trust svg { color: var(--cyan); }

/* hero visual */
.hero__panel { position: relative; }
.hero-card {
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: linear-gradient(165deg, var(--surface-2), var(--surface));
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow); overflow: hidden;
}
.hero-card__top { display: flex; align-items: center; gap: .5rem; padding: .9rem 1.2rem; border-bottom: 1px solid var(--line); }
.hero-card__dots { display: flex; gap: .35rem; }
.hero-card__dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--line-strong); }
.hero-card__label { font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text-dim); margin-left: auto; }
.hero-card__body { padding: 1.3rem; display: grid; gap: .8rem; }
.hero-row { display: flex; align-items: center; gap: .9rem; padding: .85rem 1rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); }
.hero-row__ico { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; flex: none; color: #fff; background: linear-gradient(140deg, var(--violet), #3C7BE8); }
.hero-row__ico .icon { width: 19px; height: 19px; }
.hero-row b { display: block; font-family: var(--font-display); font-size: .94rem; font-weight: 600; }
.hero-row b + span { font-size: .8rem; color: var(--text-dim); }
.hero-row__bar { margin-left: auto; width: 54px; height: 5px; border-radius: 99px; background: var(--line); overflow: hidden; flex: none; }
.hero-row__bar i { display: block; height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--violet), var(--cyan)); }
.hero-float {
  position: absolute; right: -8px; bottom: -26px;
  display: flex; align-items: center; gap: .7rem;
  padding: .8rem 1.1rem; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--bg-2);
  box-shadow: var(--shadow); animation: bob 5s ease-in-out infinite;
}
.hero-float b { font-family: var(--font-display); font-size: 1.25rem; }
.hero-float b + span { display: block; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-dim); }
@keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }

/* ---------- stat strip ---------- */
.stat-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--line); }
.stat { background: var(--bg-2); padding: 1.4rem 1.3rem; }
.stat b { display: block; font-family: var(--font-display); font-size: clamp(1.4rem, 2.6vw, 1.9rem); font-weight: 600; }
.stat span { font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-dim); }

/* ---------- process ---------- */
.process { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); counter-reset: step; }
.process__item { position: relative; padding-top: 2.4rem; }
.process__item::before {
  content: ''; position: absolute; top: 1.05rem; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, var(--line-strong), transparent);
}
.process__num {
  position: absolute; top: 0; left: 0;
  width: 2.1rem; height: 2.1rem; border-radius: 50%;
  display: grid; place-items: center; font-family: var(--font-display); font-size: .78rem; font-weight: 600;
  color: var(--text); background: var(--bg-2); border: 1px solid var(--line-strong);
}
.process__ico { width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center; margin-bottom: 1rem; color: var(--cyan); background: var(--surface-2); border: 1px solid var(--line); }
.process__item h3 { margin-bottom: .5rem; }

/* ---------- service cards ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: var(--gap); }
.svc {
  display: flex; flex-direction: column; gap: .9rem;
  position: relative; overflow: hidden;
}
.svc::after {
  content: ''; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), color-mix(in srgb, var(--violet) 16%, transparent), transparent 62%);
  opacity: 0; transition: opacity .4s var(--ease);
}
.svc:hover::after { opacity: 1; }
.svc__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.svc__ico { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; color: #fff; background: linear-gradient(145deg, var(--violet), #3B6FE0); box-shadow: 0 12px 26px -18px var(--violet); }
.svc__tag { font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; color: var(--text-dim); border: 1px solid var(--line); border-radius: 999px; padding: .3rem .6rem; }
.svc h3 { margin: 0; font-size: 1.2rem; }
.svc__sum { font-size: .94rem; margin: 0; }
.svc__foot { margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.svc__time { font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-dim); }
.svc__link { display: inline-flex; align-items: center; gap: .4rem; font-size: .84rem; font-weight: 600; color: var(--text); }
.svc__link .icon { transition: transform .25s var(--ease); }
.svc__link:hover .icon { transform: translateX(4px); }
.svc__block h4 { font-family: var(--font-display); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text-dim); margin: 0 0 .6rem; font-weight: 600; }
.svc__who { font-size: .88rem; color: var(--text-dim); }

/* ---------- filters ---------- */
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 2.4rem; }
.filter {
  padding: .55rem 1.05rem; border-radius: 999px; border: 1px solid var(--line);
  background: var(--surface); color: var(--text-soft); cursor: pointer;
  font-family: var(--font-display); font-size: .84rem; font-weight: 500;
  transition: all .25s var(--ease);
}
.filter:hover { color: var(--text); border-color: var(--line-strong); }
.filter.is-active { color: #fff; border-color: transparent; background: linear-gradient(120deg, var(--violet), #3C7BE8); }

/* ---------- page hero ---------- */
.page-hero { padding: clamp(2.8rem, 6vw, 4.6rem) 0 clamp(1.6rem, 3vw, 2.4rem); }
.page-hero__meta { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.2rem; }
.page-hero h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); margin-bottom: .8rem; }
.page-hero p { max-width: 68ch; font-size: 1.03rem; }

/* ---------- work ---------- */
.work-list { display: grid; gap: var(--gap); }
.work-item { display: grid; grid-template-columns: 220px 1fr; gap: clamp(1.4rem, 3vw, 2.6rem); align-items: start; }
.work-item__side { position: sticky; top: 120px; display: grid; gap: .9rem; }
.work-meta { display: grid; gap: .15rem; }
.work-meta dt { font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text-dim); }
.work-meta dd { margin: 0 0 .7rem; font-size: .92rem; font-weight: 500; }
.work-ref { font-family: var(--font-display); font-size: .78rem; letter-spacing: .12em; color: var(--cyan); }
.work-body h3 { font-size: clamp(1.3rem, 2.6vw, 1.75rem); margin-bottom: 1.2rem; }
.work-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; margin-bottom: 1.4rem; }
.work-cols h4, .work-results h4 { font-family: var(--font-display); font-size: .7rem; letter-spacing: .15em; text-transform: uppercase; color: var(--text-dim); margin: 0 0 .5rem; font-weight: 600; }
.work-cols p { font-size: .95rem; }
.work-results { padding-top: 1.2rem; border-top: 1px solid var(--line); }
.result-chips { display: flex; flex-wrap: wrap; gap: .55rem; }
.result-chip {
  display: inline-flex; align-items: center; gap: .5rem; font-size: .84rem;
  padding: .45rem .9rem; border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--cyan) 30%, var(--line));
  background: color-mix(in srgb, var(--cyan) 9%, transparent);
  color: var(--text-soft);
}
.result-chip svg { width: 14px; height: 14px; color: var(--cyan); }

.work-index { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.work-index a { display: block; padding: 1.3rem; background: var(--bg-2); transition: background .3s var(--ease); }
.work-index a:hover { background: var(--surface-2); }
.work-index b { display: block; font-family: var(--font-display); font-size: .97rem; font-weight: 600; margin: .4rem 0 .35rem; }
.work-index span { font-size: .8rem; color: var(--text-dim); }

/* ---------- about ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.8rem, 4vw, 3.4rem); align-items: start; }
.split--lean { grid-template-columns: 1.15fr .85fr; }
.prose h3 { margin-top: 2rem; }
.prose h3:first-child { margin-top: 0; }

.stack-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.stack-grid div { background: var(--bg-2); padding: 1.2rem; }
.stack-grid b { display: block; font-family: var(--font-display); font-weight: 600; font-size: .98rem; margin-bottom: .2rem; }
.stack-grid span { font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-dim); }

.note-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--gap); }
.note__no { font-family: var(--font-display); font-size: .74rem; letter-spacing: .14em; color: var(--cyan); margin-bottom: .7rem; display: block; }
.note h3 { font-size: 1.1rem; margin-bottom: .5rem; }
.note p { font-size: .93rem; margin: 0; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(1.6rem, 3.5vw, 3rem); align-items: start; }
.form-card { padding: clamp(1.4rem, 3vw, 2.4rem); }
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-family: var(--font-display); font-size: .74rem; font-weight: 600; letter-spacing: .13em; text-transform: uppercase; color: var(--text-dim); margin-bottom: .5rem; }
.field label span { color: var(--pink); }
.field input, .field select, .field textarea {
  width: 100%; padding: .85rem 1rem; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: var(--bg-2); color: var(--text);
  font-family: var(--font-body); font-size: .96rem;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--violet-soft);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--violet) 18%, transparent);
}
.field input::placeholder, .field textarea::placeholder { color: var(--text-dim); opacity: .75; }
.field--error input, .field--error select, .field--error textarea { border-color: var(--pink); }
.field__err { display: block; margin-top: .4rem; font-size: .8rem; color: var(--pink); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-foot { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-top: 1.4rem; }
.form-foot p { font-size: .82rem; color: var(--text-dim); margin: 0; max-width: 38ch; }

.alert { display: flex; gap: .9rem; padding: 1.1rem 1.2rem; border-radius: var(--radius-sm); margin-bottom: 1.6rem; font-size: .95rem; }
.alert svg { flex: none; width: 20px; height: 20px; margin-top: .15rem; }
.alert--ok { border: 1px solid color-mix(in srgb, var(--cyan) 38%, transparent); background: color-mix(in srgb, var(--cyan) 11%, transparent); color: var(--text); }
.alert--ok svg { color: var(--cyan); }
.alert--bad { border: 1px solid color-mix(in srgb, var(--pink) 38%, transparent); background: color-mix(in srgb, var(--pink) 10%, transparent); color: var(--text); }
.alert--bad svg { color: var(--pink); }
.alert strong { font-family: var(--font-display); display: block; margin-bottom: .2rem; }

.info-stack { display: grid; gap: 1rem; }
.info-item { display: flex; gap: 1rem; align-items: flex-start; }
.info-item__ico { width: 42px; height: 42px; border-radius: 13px; flex: none; display: grid; place-items: center; color: var(--cyan); background: var(--surface-2); border: 1px solid var(--line); }
.info-item h3 { font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text-dim); margin: 0 0 .35rem; font-weight: 600; }
.info-item a, .info-item p { font-size: .96rem; color: var(--text); margin: 0; }
.info-item a { display: block; word-break: break-word; }
.info-item a:hover { color: var(--violet-soft); }
.info-item p { color: var(--text-soft); }

.map-frame { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface); }
.map-frame iframe { width: 100%; height: 320px; border: 0; display: block; filter: var(--map-filter, none); }
:root[data-theme="dark"] .map-frame iframe { filter: grayscale(.35) invert(.92) hue-rotate(185deg) contrast(.92); }

.faq-item { border-bottom: 1px solid var(--line); }
.faq-item:last-child { border-bottom: 0; }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.1rem 0; background: none; border: 0; cursor: pointer; text-align: left;
  font-family: var(--font-display); font-size: 1rem; font-weight: 500; color: var(--text);
}
.faq-q i { width: 26px; height: 26px; flex: none; border: 1px solid var(--line); border-radius: 50%; display: grid; place-items: center; position: relative; transition: transform .3s var(--ease), border-color .3s var(--ease); }
.faq-q i::before, .faq-q i::after { content: ''; position: absolute; background: var(--text-soft); border-radius: 2px; }
.faq-q i::before { width: 11px; height: 1.6px; }
.faq-q i::after { width: 1.6px; height: 11px; transition: opacity .25s var(--ease); }
.faq-item.is-open .faq-q i { transform: rotate(90deg); border-color: var(--violet-soft); }
.faq-item.is-open .faq-q i::after { opacity: 0; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s var(--ease); }
.faq-a p { padding-bottom: 1.1rem; font-size: .95rem; margin: 0; }

/* ---------- CTA band ---------- */
.cta-band { padding: clamp(2rem, 5vw, 3.5rem) 0 clamp(3rem, 6vw, 4.5rem); }
.cta-card {
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap;
  padding: clamp(1.8rem, 4vw, 3rem); border-radius: var(--radius-lg);
  border: 1px solid var(--line-strong); background: linear-gradient(135deg, var(--surface-2), var(--surface));
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
}
.cta-card__glow { position: absolute; width: 440px; height: 440px; right: -120px; top: -180px; border-radius: 50%; background: radial-gradient(circle, var(--blob-1), transparent 65%); filter: blur(30px); }
.cta-card__text { position: relative; max-width: 58ch; }
.cta-card__text h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); margin-bottom: .6rem; }
.cta-card__text p { margin: 0; }
.cta-card__actions { position: relative; display: flex; gap: .8rem; flex-wrap: wrap; }

/* ---------- footer ---------- */
.site-foot { border-top: 1px solid var(--line); background: color-mix(in srgb, var(--bg-2) 70%, transparent); padding-top: clamp(2.6rem, 5vw, 4rem); }
.foot-grid { display: grid; grid-template-columns: 1.5fr .8fr .8fr 1.4fr; gap: clamp(1.6rem, 3vw, 2.6rem); padding-bottom: 2.6rem; }
.brand--foot { margin-bottom: 1.1rem; }
.foot-note { font-size: .92rem; max-width: 40ch; margin-bottom: 1.1rem; }
.foot-title { font-family: var(--font-display); font-size: .74rem; letter-spacing: .15em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 1rem; font-weight: 600; }
.foot-list li { margin-bottom: .6rem; }
.foot-list a { font-size: .93rem; color: var(--text-soft); transition: color .25s var(--ease); }
.foot-list a:hover { color: var(--text); }
.foot-contact li { display: flex; gap: .8rem; margin-bottom: 1rem; font-size: .9rem; color: var(--text-soft); line-height: 1.55; }
.foot-contact svg { color: var(--cyan); margin-top: .18rem; }
.foot-contact a { color: var(--text-soft); word-break: break-word; }
.foot-contact a:hover { color: var(--text); }
.foot-mails { display: grid; gap: .25rem; }
.foot-bar { display: flex; flex-wrap: wrap; gap: .6rem 1.4rem; justify-content: space-between; padding: 1.3rem 0; border-top: 1px solid var(--line); }
.foot-bar p { font-size: .8rem; color: var(--text-dim); margin: 0; }
.foot-bar__meta { letter-spacing: .04em; }

/* ---------- whatsapp float ---------- */
.wa-float {
  position: fixed; right: 18px; bottom: 18px; z-index: 70;
  width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center;
  color: #fff; background: linear-gradient(145deg, #2ED06A, #16A34A);
  box-shadow: 0 16px 34px -14px rgba(22, 163, 74, .8);
  transition: transform .25s var(--ease);
}
.wa-float:hover { transform: scale(1.07); }
.wa-float svg { width: 27px; height: 27px; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 1040px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__panel { max-width: 520px; }
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .burger { display: block; }
  /* No backdrop-filter here: it would make the header the containing block
     for the fixed nav panel, which must be anchored to the viewport. */
  .site-head { backdrop-filter: none; -webkit-backdrop-filter: none; background: var(--bg); }
  .nav {
    position: fixed; inset: 0 0 0 auto; width: min(320px, 86vw);
    flex-direction: column; align-items: stretch; justify-content: flex-start;
    gap: .2rem; padding: 6rem 1.3rem 2rem;
    background: var(--bg-2); border-left: 1px solid var(--line);
    transform: translateX(102%); transition: transform .4s var(--ease);
    box-shadow: var(--shadow); z-index: 80;
  }
  .nav.is-open { transform: none; }
  .head-tools { position: relative; z-index: 90; }
  .nav__link { padding: .85rem 1rem; border-radius: var(--radius-sm); font-size: 1rem; }
  .nav__link.is-active::after { display: none; }
  .nav__link.is-active { background: var(--surface-2); }
  .nav__cta { margin: 1rem 0 0; justify-content: center; }
  .nav-backdrop { position: fixed; inset: 0; background: rgba(4, 6, 14, .6); backdrop-filter: blur(3px); z-index: 50; opacity: 0; pointer-events: none; transition: opacity .3s var(--ease); }
  .nav-backdrop.is-on { opacity: 1; pointer-events: auto; }
  .process { grid-template-columns: 1fr; }
  .work-item { grid-template-columns: 1fr; }
  .work-item__side { position: static; }
  .contact-grid, .split, .split--lean { grid-template-columns: 1fr; }
  .topbar__item--hide { display: none; }
}

@media (max-width: 620px) {
  .topbar { font-size: .67rem; }
  .topbar__in { gap: .7rem; height: 36px; }
  .work-cols, .field-row { grid-template-columns: 1fr; }
  .stat-strip { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .hero-float { right: 0; bottom: -20px; }
  .cta-card__actions { width: 100%; }
  .cta-card__actions .btn { flex: 1 1 auto; }
  .sec-head--split { align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}