/* =============================================
   AURA 919 — Main Stylesheet
   ============================================= */

:root {
  --t: #31b7bc; --td: #279ea3; --tbg: rgba(49,183,188,.08);
  --ink: #0f0f0f; --gd: #3c3c3c; --gm: #7a7a7a; --gl: #c4c4c4;
  --bd: #e2e2e2; --bg: #fff; --bg2: #f6f6f6;
  --f: 'Plus Jakarta Sans', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body { background: var(--bg); color: var(--ink); font-family: var(--f); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
::selection { background: var(--t); color: #fff; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.w { max-width: 1320px; margin: 0 auto; padding: 0 52px; }

/* ── NAVIGATION ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  transition: background .4s, border-color .4s;
  border-bottom: 1px solid transparent;
}
nav.sc {
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--bd);
  box-shadow: 0 2px 24px rgba(0,0,0,.06);
}
.nav-in { height: 80px; display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-t { font-size: 17px; font-weight: 800; letter-spacing: .04em; color: #fff; transition: color .4s; }
nav.sc .logo-t { color: var(--ink); }
.logo-t b { color: var(--t); }
.logo img { height: 40px; width: auto; }
.nav-ul { display: flex; gap: 36px; list-style: none; }
.nav-ul a { font-size: 13px; font-weight: 600; letter-spacing: .04em; color: rgba(255,255,255,.82); transition: color .4s; position: relative; }
nav.sc .nav-ul a { color: var(--gd); }
.nav-ul a::after { content: ''; position: absolute; bottom: -3px; left: 0; right: 100%; height: 2px; background: var(--t); transition: right .28s ease; }
.nav-ul a:hover { color: #fff; }
nav.sc .nav-ul a:hover { color: var(--ink); }
.nav-ul a:hover::after, .nav-ul a.active::after { right: 0; }
.nav-btn { font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; padding: 12px 28px; background: var(--t); color: #fff; border: none; cursor: pointer; transition: all .2s; display: inline-flex; align-items: center; gap: 7px; }
.nav-btn:hover { background: var(--td); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(49,183,188,.35); }
.burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.burger span { display: block; width: 24px; height: 2px; background: #fff; transition: background .4s; }
nav.sc .burger span { background: var(--ink); }

/* ── MOBILE MENU ── */
.mob { display: none; position: fixed; inset: 0; z-index: 950; background: rgba(0,0,0,.97); flex-direction: column; align-items: center; justify-content: center; gap: 6px; }
.mob.on { display: flex; }
.mob-logo { position: absolute; top: 28px; left: 52px; display: flex; align-items: center; gap: 10px; }
.mob-logo-t { font-size: 16px; font-weight: 800; letter-spacing: .04em; color: #fff; }
.mob-logo-t b { color: var(--t); }
.mob-x { position: absolute; top: 24px; right: 28px; font-size: 28px; background: none; border: none; cursor: pointer; color: rgba(255,255,255,.4); line-height: 1; transition: color .18s; }
.mob-x:hover { color: #fff; }
.mob a { font-size: clamp(36px,7vw,64px); font-weight: 800; letter-spacing: -.02em; color: rgba(255,255,255,.18); transition: color .22s; padding: 4px 0; }
.mob a:hover { color: #fff; }
.mob-foot { position: absolute; bottom: 36px; left: 52px; font-size: 11px; color: rgba(255,255,255,.2); letter-spacing: .06em; }

/* ── BUTTONS ── */
.btn { font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; padding: 15px 32px; display: inline-flex; align-items: center; gap: 8px; border: 2px solid transparent; cursor: pointer; transition: all .22s; }
.btn-w { background: #fff; color: var(--ink); border-color: #fff; }
.btn-w:hover { background: var(--t); border-color: var(--t); color: #fff; transform: translateY(-2px); }
.btn-go { background: transparent; color: rgba(255,255,255,.8); border-color: rgba(255,255,255,.28); }
.btn-go:hover { border-color: #fff; color: #fff; transform: translateY(-2px); }
.btn-dk { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn-dk:hover { background: var(--t); border-color: var(--t); transform: translateY(-2px); }
.btn-tl { background: var(--t); color: #fff; border-color: var(--t); }
.btn-tl:hover { background: var(--td); border-color: var(--td); transform: translateY(-2px); }
.btn-gh { background: transparent; color: var(--ink); border-color: var(--bd); }
.btn-gh:hover { border-color: var(--ink); transform: translateY(-2px); }
.btn-cw { font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; padding: 15px 38px; background: #fff; color: var(--t); border: 2px solid #fff; display: inline-flex; align-items: center; gap: 8px; transition: .2s; }
.btn-cw:hover { background: transparent; color: #fff; transform: translateY(-2px); }
.btn-co { font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; padding: 15px 38px; background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.45); display: inline-flex; align-items: center; gap: 8px; transition: .2s; }
.btn-co:hover { border-color: #fff; transform: translateY(-2px); }

/* ── LABELS & HEADINGS ── */
.lbl { font-size: 10px; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; color: var(--t); display: flex; align-items: center; gap: 9px; margin-bottom: 12px; }
.lbl::before { content: ''; width: 18px; height: 2px; background: var(--t); }
.h2 { font-size: clamp(36px,5vw,72px); font-weight: 800; letter-spacing: -.025em; line-height: .95; color: var(--ink); }

/* ── TICKER ── */
.ticker { overflow: hidden; border-bottom: 1px solid var(--bd); background: var(--bg2); padding: 14px 0; }
.tick-t { display: flex; width: max-content; animation: tick 30s linear infinite; }
.tick-i { font-size: 10px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--gm); white-space: nowrap; padding: 0 32px; display: flex; align-items: center; gap: 32px; }
.tick-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--t); flex-shrink: 0; }
@keyframes tick { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ── PORTFOLIO CARDS (shared) ── */
.pi { position: relative; overflow: hidden; cursor: pointer; aspect-ratio: 4/3; }
.pi-bg { position: absolute; inset: 0; transition: transform .6s cubic-bezier(.25,.46,.45,.94); }
.pi-bg img { width: 100%; height: 100%; object-fit: cover; display: block; }
.pi:hover .pi-bg { transform: scale(1.04); }
.pi-ov { position: absolute; inset: 0; background: linear-gradient(to top,rgba(0,0,0,.82) 0%,rgba(0,0,0,.05) 55%,transparent 100%); display: flex; flex-direction: column; justify-content: flex-end; padding: 22px; }
.pi-cat { font-size: 9px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--t); margin-bottom: 5px; }
.pi-nm { font-size: 15px; font-weight: 800; color: #fff; line-height: 1.2; }
.pi-cl { font-size: 11px; color: rgba(255,255,255,.45); margin-top: 3px; }
.pi-arr { position: absolute; top: 14px; right: 14px; width: 30px; height: 30px; background: var(--t); display: flex; align-items: center; justify-content: center; opacity: 0; transform: translateY(-4px); transition: .22s; }
.pi:hover .pi-arr { opacity: 1; transform: translateY(0); }

/* ── PAGE HERO (inner pages) ── */
.page-hero { padding: 160px 0 80px; position: relative; border-bottom: 1px solid var(--bd); }
.page-hero::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--t); }

/* ── CTA BAND ── */
#cta { background: var(--t); padding: 80px 0; text-align: center; }
.cta-h { font-size: clamp(28px,5vw,58px); font-weight: 800; letter-spacing: -.02em; line-height: 1.1; color: #fff; margin-bottom: 10px; }
.cta-s { font-size: 15px; color: rgba(255,255,255,.72); margin-bottom: 36px; }

/* ── FOOTER ── */
footer { background: var(--ink); padding: 64px 0 28px; }
.ft-g { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 52px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.07); margin-bottom: 28px; }
.ft-logo { display: flex; align-items: center; gap: 9px; margin-bottom: 14px; }
.ft-ln { font-size: 15px; font-weight: 800; letter-spacing: .04em; color: #fff; }
.ft-ln b { color: var(--t); }
.ft-tg { font-size: 9px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: rgba(255,255,255,.28); margin-bottom: 14px; }
.ft-ab { font-size: 12px; line-height: 1.75; color: rgba(255,255,255,.38); max-width: 240px; }
.ft-c h4 { font-size: 9px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: rgba(255,255,255,.3); margin-bottom: 18px; }
.ft-c ul { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.ft-c ul li a { font-size: 12px; color: rgba(255,255,255,.45); transition: color .18s; }
.ft-c ul li a:hover { color: #fff; }
.ft-bot { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; }
.ft-cp { font-size: 11px; color: rgba(255,255,255,.22); }
.ft-soc { display: flex; gap: 7px; }
.soc { width: 32px; height: 32px; border: 1px solid rgba(255,255,255,.1); display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; color: rgba(255,255,255,.35); transition: .18s; }
.soc:hover { border-color: var(--t); background: var(--t); color: #fff; }

/* ── SCROLL REVEAL ── */
.rv { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.rv.in { opacity: 1; transform: none; }
.rv.d1 { transition-delay: .08s; } .rv.d2 { transition-delay: .16s; } .rv.d3 { transition-delay: .24s; } .rv.d4 { transition-delay: .32s; }

/* ── RESPONSIVE ── */
@media (max-width: 1080px) {
  .w { padding: 0 32px; }
  .ft-g { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 820px) {
  .nav-ul, .nav-btn { display: none; }
  .burger { display: flex; }
  .w { padding: 0 20px; }
}
@media (max-width: 600px) {
  .w { padding: 0 16px; }
  .ft-g { grid-template-columns: 1fr; }
  .ft-bot { flex-direction: column; text-align: center; }
  .mob-logo { left: 20px; }
}