/* ============================================================
   Aurabyte Cloud — soft modern, photography-led theme
   Manrope · light · rounded · indigo accent
   ============================================================ */
:root {
  --bg:       #FBFBFE;
  --bg-2:     #F1F2F8;
  --card:     #FFFFFF;
  --ink:      #14152A;
  --body:     #4A4D63;
  --muted:    #7C8095;
  --faint:    #A7AABA;
  --line:     #E9EAF2;
  --indigo:   #5B5BF0;
  --indigo-d: #4646D6;
  --teal:     #16C2B0;
  --soft:     0 1px 2px rgba(20,21,42,.04), 0 12px 28px -12px rgba(20,21,42,.14);
  --soft-lg:  0 30px 70px -30px rgba(35,33,120,.35);
  --maxw:     1180px;
  --r:        20px;
  --r-sm:     14px;
  --ease:     cubic-bezier(.22,.7,.3,1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Manrope", "Noto Sans SC", system-ui, sans-serif;
  background: var(--bg); color: var(--body);
  line-height: 1.65; overflow-x: hidden; -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3, h4 { color: var(--ink); font-weight: 800; letter-spacing: -0.025em; line-height: 1.1; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* ---------- Buttons ---------- */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  background: var(--indigo); color: #fff; font-weight: 700; font-size: 15px;
  padding: 14px 26px; border-radius: 999px; border: none; cursor: pointer;
  box-shadow: 0 10px 24px -8px rgba(91,91,240,.6);
  transition: transform .25s var(--ease), box-shadow .25s, background .2s;
}
.btn-primary:hover { background: var(--indigo-d); transform: translateY(-2px); box-shadow: 0 16px 34px -10px rgba(91,91,240,.7); }
.btn-sm { padding: 10px 20px; font-size: 14px; }
.btn-block { width: 100%; }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 9px;
  color: var(--ink); font-weight: 700; font-size: 15px;
  padding: 14px 24px; border-radius: 999px; border: 1.5px solid var(--line); background: var(--card);
  transition: border-color .2s, transform .25s, box-shadow .2s, color .2s;
}
.btn-ghost:hover { transform: translateY(-2px); box-shadow: var(--soft); border-color: transparent; }
.btn-ghost svg { transition: transform .25s var(--ease); }
.btn-ghost:hover svg { transform: translateX(4px); }

/* ---------- NAV (transparent over hero) ---------- */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; transition: background .3s, box-shadow .3s, color .3s; color: #fff; }
.nav-inner { max-width: var(--maxw); margin: 0 auto; padding: 20px 28px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; color: inherit; }
.brand-mark { width: 28px; height: 28px; color: #fff; }
.brand-name { font-size: 21px; font-weight: 800; letter-spacing: -.03em; color: inherit; }

.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-size: 15px; font-weight: 600; color: inherit; opacity: .82; transition: opacity .2s; }
.nav-links a:hover { opacity: 1; }

.nav-actions { display: flex; align-items: center; gap: 14px; }
.lang-toggle {
  display: inline-flex; align-items: center; gap: 7px; background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.28); color: inherit; font-size: 13.5px; font-weight: 600;
  font-family: inherit; padding: 8px 13px; border-radius: 999px; cursor: pointer; transition: background .2s;
}
.lang-toggle:hover { background: rgba(255,255,255,.24); }

/* scrolled => solid white nav, dark text */
.nav.scrolled { background: rgba(255,255,255,.86); backdrop-filter: blur(16px) saturate(160%); box-shadow: 0 1px 0 var(--line); color: var(--ink); }
.nav.scrolled .brand-mark { color: var(--indigo); }
.nav.scrolled .lang-toggle { background: var(--bg-2); border-color: var(--line); color: var(--ink); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 24px; height: 2px; background: currentColor; border-radius: 2px; }

/* ---------- HERO ---------- */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; padding: 150px 28px 90px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-veil { position: absolute; inset: 0; background:
  linear-gradient(120deg, rgba(13,12,38,.86) 0%, rgba(20,18,60,.66) 42%, rgba(40,30,90,.34) 100%),
  radial-gradient(ellipse 60% 80% at 80% 10%, rgba(91,91,240,.4), transparent 60%); }
.hero-inner { position: relative; z-index: 2; width: 100%; max-width: var(--maxw); margin: 0 auto; }
.pill {
  display: inline-flex; align-items: center; font-size: 13px; font-weight: 600; letter-spacing: .01em;
  color: #fff; padding: 8px 16px; border-radius: 999px; background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.24); backdrop-filter: blur(6px); margin-bottom: 26px;
}
.hero-title { font-size: clamp(40px, 6.6vw, 78px); font-weight: 800; color: #fff; margin-bottom: 24px; letter-spacing: -.035em; }
.grad-text { color: #fff; }
.hero-sub { font-size: clamp(17px, 1.7vw, 20px); color: rgba(255,255,255,.82); max-width: 600px; margin-bottom: 36px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 60px; }
.hero-actions .btn-ghost { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.3); color: #fff; }
.hero-actions .btn-ghost:hover { background: rgba(255,255,255,.2); }

.hero-chips { display: flex; gap: 14px; flex-wrap: wrap; }
.chip {
  display: flex; flex-direction: column; gap: 2px; padding: 18px 24px; border-radius: var(--r-sm);
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2); backdrop-filter: blur(10px); min-width: 150px;
}
.chip strong { font-size: 30px; font-weight: 800; color: #fff; }
.chip strong em { font-style: normal; color: #B9B9FF; }
.chip span { font-size: 13px; color: rgba(255,255,255,.72); font-weight: 500; }

/* ---------- LOGOS ---------- */
.logos { padding: 56px 0 44px; }
.logos-label { text-align: center; color: var(--faint); font-size: 13px; letter-spacing: .08em; text-transform: uppercase; font-weight: 600; margin-bottom: 28px; }
.marquee { position: relative; overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; gap: 60px; width: max-content; animation: marquee 30s linear infinite; }
.marquee-track span { font-size: 22px; font-weight: 800; color: #C2C5D6; white-space: nowrap; letter-spacing: -.02em; transition: color .2s; }
.marquee-track span:hover { color: var(--indigo); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- SECTION HEADERS ---------- */
.sec-head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.sec-tag { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--indigo); margin-bottom: 14px; }
.sec-title { font-size: clamp(30px, 4vw, 46px); margin-bottom: 16px; }
.sec-desc { color: var(--muted); font-size: 18px; }

/* ---------- SERVICES (two-column list) ---------- */
.services { padding: 96px 0; }
.svc-layout { display: grid; grid-template-columns: 0.82fr 1.18fr; gap: 56px; align-items: start; }
.svc-intro { position: sticky; top: 110px; }
.svc-intro .sec-tag, .svc-intro .sec-title, .svc-intro .sec-desc { text-align: left; }
.svc-intro .sec-title { margin-top: 4px; }
.svc-intro .sec-desc { margin-bottom: 28px; }

.svc-rows { border-top: 1px solid var(--line); }
.svc-row {
  position: relative; display: grid; grid-template-columns: auto auto 1fr auto; align-items: center;
  gap: 22px; padding: 26px 18px; border-bottom: 1px solid var(--line);
  border-radius: var(--r-sm); transition: background .25s var(--ease), transform .25s var(--ease), box-shadow .25s;
}
.svc-row:hover { background: var(--card); transform: translateX(6px); box-shadow: var(--soft); }
.svc-no { font-size: 14px; font-weight: 800; color: var(--faint); font-variant-numeric: tabular-nums; }
.svc-ic { width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center; background: rgba(91,91,240,.09); color: var(--indigo); transition: background .25s, color .25s; }
.svc-ic svg { width: 25px; height: 25px; }
.svc-row:hover .svc-ic { background: var(--indigo); color: #fff; }
.svc-meta h3 { font-size: 21px; margin-bottom: 5px; }
.svc-meta p { color: var(--muted); font-size: 15px; max-width: 52ch; }
.svc-arrow { color: var(--faint); opacity: 0; transform: translate(-6px,4px); transition: opacity .25s, transform .25s, color .25s; }
.svc-row:hover .svc-arrow { opacity: 1; transform: none; color: var(--indigo); }

/* ---------- PLATFORM ---------- */
.platform { padding: 96px 0; }
.platform-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.platform-copy .sec-tag, .platform-copy .sec-title, .platform-copy .sec-desc { text-align: left; }
.platform-copy .sec-title { margin-top: 6px; }
.feature-list { margin-top: 26px; display: grid; gap: 14px; }
.feature-list li { display: flex; align-items: center; gap: 12px; color: var(--ink); font-weight: 600; font-size: 15.5px; }
.feature-list svg { width: 22px; height: 22px; flex-shrink: 0; color: #fff; background: var(--teal); border-radius: 50%; padding: 4px; }

.platform-visual { position: relative; }
.platform-visual img { width: 100%; border-radius: var(--r); box-shadow: var(--soft-lg); }
.platform-badge {
  position: absolute; bottom: 22px; left: -22px; display: flex; align-items: center; gap: 12px;
  background: var(--card); border-radius: var(--r-sm); padding: 14px 18px; box-shadow: var(--soft);
}
.pb-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 5px rgba(22,194,176,.18); animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 9px rgba(22,194,176,.08); } }
.platform-badge strong { display: block; font-size: 14px; color: var(--ink); }
.platform-badge em { font-style: normal; font-size: 12.5px; color: var(--muted); }

/* ---------- APPROACH (interactive tabbed process) ---------- */
.approach { padding: 96px 0; }
.proc { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 40px; align-items: stretch; }
.proc-tabs { display: flex; flex-direction: column; gap: 10px; }
.proc-tab {
  position: relative; display: flex; align-items: center; gap: 16px; text-align: left;
  background: transparent; border: 1px solid transparent; border-radius: var(--r-sm); cursor: pointer;
  padding: 20px 22px; font-family: inherit; color: var(--muted);
  transition: background .25s var(--ease), color .25s, box-shadow .25s, transform .2s;
}
.proc-tab .pt-no { font-size: 15px; font-weight: 800; color: var(--faint); font-variant-numeric: tabular-nums; transition: color .25s; }
.proc-tab .pt-label { font-size: 20px; font-weight: 800; color: var(--ink); letter-spacing: -.02em; }
.proc-tab::before { content: ""; position: absolute; left: 0; top: 18%; bottom: 18%; width: 3px; border-radius: 3px; background: var(--indigo); opacity: 0; transition: opacity .25s; }
.proc-tab:hover { background: var(--bg-2); }
.proc-tab.active { background: var(--card); box-shadow: var(--soft); }
.proc-tab.active::before { opacity: 1; }
.proc-tab.active .pt-no { color: var(--indigo); }

.proc-stage { position: relative; border-radius: var(--r); overflow: hidden; min-height: 380px; box-shadow: var(--soft-lg); }
.proc-panel { position: absolute; inset: 0; opacity: 0; visibility: hidden; transform: scale(1.03); transition: opacity .5s var(--ease), transform .6s var(--ease), visibility .5s; }
.proc-panel.active { opacity: 1; visibility: visible; transform: none; }
.pp-media { position: absolute; inset: 0; }
.pp-media img { width: 100%; height: 100%; object-fit: cover; }
.pp-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(13,12,40,.15) 20%, rgba(13,12,40,.85)); }
.pp-text { position: absolute; left: 0; right: 0; bottom: 0; z-index: 1; padding: 36px 40px; }
.pp-no { display: inline-block; font-size: 15px; font-weight: 800; color: #B9B9FF; margin-bottom: 8px; letter-spacing: .04em; }
.pp-text h3 { color: #fff; font-size: 30px; margin-bottom: 12px; }
.pp-text p { color: rgba(255,255,255,.86); font-size: 16px; max-width: 52ch; }

/* ---------- METRICS ---------- */
.metrics { padding: 30px 0 80px; }
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.metric { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 8px 24px; border-left: 1px solid var(--line); }
.metric:first-child { border-left: none; }
.metric-val { display: inline-flex; align-items: baseline; line-height: 1; }
.metric-num { font-size: clamp(44px, 6vw, 68px); font-weight: 800; letter-spacing: -.03em;
  background: linear-gradient(120deg, var(--indigo), #8E6BF8); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.metric-suf { font-size: clamp(28px, 4vw, 40px); font-weight: 800; color: var(--teal); margin-left: 3px; }
.metric p { color: var(--muted); font-size: 14.5px; font-weight: 500; margin-top: 14px; }

/* ---------- INDUSTRIES ---------- */
.industries { padding: 96px 0; }
.ind-grid { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 230px; gap: 20px; }
.ind-card { position: relative; border-radius: var(--r); overflow: hidden; background-size: cover; background-position: center; box-shadow: var(--soft); transition: transform .3s var(--ease); }
.ind-card.ind-lg { grid-column: span 2; }
.ind-card:hover { transform: translateY(-6px); }
.ind-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(15,14,40,.05) 30%, rgba(15,14,40,.82)); }
.ind-text { position: absolute; left: 0; right: 0; bottom: 0; padding: 24px 26px; z-index: 1; }
.ind-text h4 { color: #fff; font-size: 21px; margin-bottom: 6px; }
.ind-text p { color: rgba(255,255,255,.85); font-size: 14px; }

/* ---------- CTA ---------- */
.cta { position: relative; padding: 110px 0; overflow: hidden; }
.cta-bg { position: absolute; inset: 0; z-index: 0; }
.cta-bg img { width: 100%; height: 100%; object-fit: cover; }
.cta-veil { position: absolute; inset: 0; background: linear-gradient(115deg, rgba(16,14,45,.92), rgba(40,30,100,.78)); }
.cta .container { position: relative; z-index: 1; }
.cta-card { display: grid; grid-template-columns: 1.1fr 1fr; gap: 52px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.16); backdrop-filter: blur(14px); border-radius: 26px; padding: 48px; }
.cta-copy { align-self: center; }
.cta-copy h2 { color: #fff; font-size: clamp(28px, 3.4vw, 42px); margin-bottom: 16px; }
.cta-copy p { color: rgba(255,255,255,.8); font-size: 16px; margin-bottom: 22px; }
.cta-points { display: grid; gap: 11px; }
.cta-points li { position: relative; padding-left: 28px; color: rgba(255,255,255,.92); font-size: 15px; font-weight: 500; }
.cta-points li::before { content: "✓"; position: absolute; left: 0; top: -1px; width: 19px; height: 19px; border-radius: 50%; background: var(--teal); color: #fff; font-size: 12px; display: grid; place-items: center; font-weight: 800; }

.cta-form { background: var(--card); border-radius: var(--r); padding: 28px; display: grid; gap: 15px; box-shadow: var(--soft-lg); }
.field { display: grid; gap: 6px; }
.field label { font-size: 13px; font-weight: 600; color: var(--ink); }
.field input, .field textarea { background: var(--bg); border: 1.5px solid var(--line); border-radius: 11px; padding: 12px 14px; color: var(--ink); font-family: inherit; font-size: 14.5px; resize: vertical; transition: border-color .2s, box-shadow .2s; }
.field input::placeholder, .field textarea::placeholder { color: var(--faint); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--indigo); box-shadow: 0 0 0 3px rgba(91,91,240,.14); }
.form-msg { font-size: 13.5px; min-height: 18px; color: #12A594; font-weight: 600; }

/* ---------- FOOTER ---------- */
.footer { background: var(--bg-2); padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-brand .brand { margin-bottom: 14px; color: var(--ink); }
.footer-brand .brand-mark { color: var(--indigo); }
.footer-tag { color: var(--muted); font-size: 15px; max-width: 280px; margin-bottom: 12px; }
.footer-contact { color: var(--faint); font-size: 14px; font-weight: 600; }
.footer-col h5 { font-size: 14px; font-weight: 700; color: var(--ink); margin-bottom: 16px; }
.footer-col a { display: block; color: var(--muted); font-size: 14.5px; margin-bottom: 10px; transition: color .2s; }
.footer-col a:hover { color: var(--indigo); }
.footer-bottom { max-width: var(--maxw); margin: 0 auto; padding: 22px 28px 0; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; color: var(--faint); font-size: 13px; }

/* ---------- SCROLL REVEAL ---------- */
.fade-up { opacity: 0; transform: translateY(24px); transition: opacity .65s var(--ease), transform .65s var(--ease); }
.fade-up.visible { opacity: 1; transform: none; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 920px) {
  .svc-layout { grid-template-columns: 1fr; gap: 36px; }
  .svc-intro { position: static; }
  .proc { grid-template-columns: 1fr; gap: 24px; }
  .proc-tabs { flex-direction: row; flex-wrap: wrap; gap: 8px; }
  .proc-tab { flex: 1; min-width: 130px; padding: 14px 16px; }
  .proc-stage { min-height: 340px; }
  .platform-grid { grid-template-columns: 1fr; gap: 40px; }
  .platform-badge { left: 16px; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 36px 0; }
  .metric:nth-child(odd) { border-left: none; }
  .ind-grid { grid-template-columns: repeat(2, 1fr); }
  .ind-card.ind-lg { grid-column: span 2; }
  .cta-card { grid-template-columns: 1fr; gap: 32px; padding: 36px 26px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 680px) {
  .nav-links { display: none; }
  .nav-links.open { display: flex; flex-direction: column; gap: 4px; position: absolute; top: 70px; left: 16px; right: 16px;
    background: var(--card); border-radius: var(--r); padding: 18px 22px; box-shadow: var(--soft-lg); }
  .nav-links.open a { color: var(--ink); opacity: 1; padding: 10px 0; font-size: 16px; }
  .nav-toggle { display: flex; }
  .nav-actions .btn-primary { display: none; }
  .svc-row { grid-template-columns: auto 1fr; gap: 12px 16px; }
  .svc-row .svc-arrow { display: none; }
  .svc-row .svc-meta { grid-column: 1 / -1; }
  .ind-grid { grid-template-columns: 1fr; grid-auto-rows: 200px; }
  .ind-card.ind-lg { grid-column: span 1; }
  .hero-chips .chip { flex: 1; min-width: 130px; }
}