/* ============================================================
   Ava Lin — Dark Cinematic Photography Portfolio
   Deep charcoal / black, warm ember accent. Anton (display) + Inter.
   Image-dense, immersive, editorial.
   ============================================================ */

:root {
  --bg: #0b0b0d;          /* deep charcoal */
  --bg-2: #131316;        /* card / section */
  --bg-3: #1b1b1f;
  --ink: #f3efe8;         /* warm off-white text */
  --muted: #8c8880;
  --muted-2: #5f5c56;
  --line: #2a2a2e;
  --ember: #d68a4a;       /* warm cinematic amber */
  --ember-deep: #b56a2e;
  --teal: #3a6f6a;        /* secondary cinematic */

  --maxw: 1500px;
  --gut: clamp(18px, 4vw, 56px);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg); color: var(--ink);
  font-weight: 300; line-height: 1.6; overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
em { font-style: italic; }

.display { font-family: 'Anton', sans-serif; font-weight: 400; letter-spacing: 0.005em; line-height: 0.86; text-transform: uppercase; }
.kicker { font-size: 0.72rem; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); }
.kicker.accent { color: var(--ember); }

/* film grain overlay (reusable) */
.grain {
  position: absolute; inset: 0; pointer-events: none; z-index: 3; opacity: 0.06; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============ NAV ============ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 22px 0; transition: background .4s var(--ease), padding .4s var(--ease), border-color .4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(11,11,13,0.82); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  padding: 13px 0; border-bottom: 1px solid var(--line);
}
.nav-inner { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gut); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { font-family: 'Anton', sans-serif; font-size: 1.5rem; letter-spacing: 0.02em; text-transform: uppercase; }
.logo span { color: var(--ember); }
.nav-links { display: flex; gap: 34px; }
.nav-links a { font-size: 0.78rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); position: relative; padding: 4px 0; transition: color .3s; }
.nav-links a::after { content: ''; position: absolute; left: 0; bottom: 0; height: 1px; width: 0; background: var(--ember); transition: width .35s var(--ease); }
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { width: 100%; }
.nav-book { font-size: 0.76rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; border: 1px solid var(--ember); color: var(--ember); padding: 10px 18px; transition: background .25s, color .25s; }
.nav-book:hover { background: var(--ember); color: var(--bg); }

.menu-btn { display: none; flex-direction: column; gap: 6px; background: none; border: none; cursor: pointer; padding: 6px; }
.menu-btn span { width: 26px; height: 1.5px; background: var(--ink); transition: .3s var(--ease); }
.menu-btn.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.menu-btn.open span:nth-child(2) { transform: translateY(-7.5px) rotate(-45deg); }
.mobile-menu { display: none; flex-direction: column; overflow: hidden; max-height: 0; transition: max-height .4s var(--ease); background: var(--bg); border-bottom: 1px solid var(--line); }
.mobile-menu a { font-family: 'Anton', sans-serif; font-size: 2rem; text-transform: uppercase; padding: 16px var(--gut); border-bottom: 1px solid var(--line); color: var(--ink); }
.mobile-menu.open { max-height: 300px; }

/* ============ HERO ============ */
.hero { position: relative; min-height: 100vh; min-height: 100svh; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: 0; background: var(--bg); }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.1); animation: heroZoom 2.6s var(--ease) forwards; filter: brightness(0.8) contrast(1.05) saturate(0.9); }
@keyframes heroZoom { to { transform: scale(1); } }
.hero-veil { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11,11,13,0.55) 0%, rgba(11,11,13,0.15) 30%, rgba(11,11,13,0.45) 65%, rgba(11,11,13,0.92) 100%); }
.hero-grain { position: absolute; inset: 0; z-index: 3; pointer-events: none; opacity: 0.08; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }

.hero-content { position: relative; z-index: 4; flex: 1; display: flex; flex-direction: column; justify-content: space-between; padding: clamp(110px, 14vh, 150px) var(--gut) 30px; }
.hero-top { display: flex; justify-content: space-between; gap: 16px; opacity: 0; animation: fadeUp .9s var(--ease) .2s forwards; }
.hero-top .kicker { color: rgba(243,239,232,0.8); }
.hero-title {
  font-family: 'Anton', sans-serif; font-weight: 400;
  font-size: clamp(6rem, 26vw, 26rem); line-height: 0.82; letter-spacing: 0.01em;
  text-transform: uppercase; color: var(--ink);
  text-shadow: 0 4px 60px rgba(0,0,0,0.5);
  margin: auto 0; opacity: 0; animation: fadeUp 1.1s var(--ease) .35s forwards;
}
.hero-bottom { display: grid; grid-template-columns: 1.4fr auto; align-items: end; gap: 32px; opacity: 0; animation: fadeUp 1s var(--ease) .7s forwards; }
.hero-stmt { max-width: 46ch; font-size: clamp(1rem, 1.4vw, 1.2rem); line-height: 1.55; color: rgba(243,239,232,0.82); }
.hero-scroll { display: inline-flex; align-items: center; gap: 12px; font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink); padding-bottom: 6px; border-bottom: 1px solid rgba(243,239,232,0.4); transition: gap .3s, border-color .3s, color .3s; }
.hero-scroll:hover { gap: 18px; border-color: var(--ember); color: var(--ember); }

.hero-strip { position: relative; z-index: 4; display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid rgba(243,239,232,0.18); backdrop-filter: blur(6px); }
.hero-strip > div { padding: 18px var(--gut); display: flex; flex-direction: column; gap: 4px; border-right: 1px solid rgba(243,239,232,0.12); }
.hero-strip > div:last-child { border-right: none; }
.hero-strip .kicker { color: rgba(243,239,232,0.55); }
.strip-v { font-family: 'Anton', sans-serif; font-size: 1rem; letter-spacing: 0.02em; text-transform: uppercase; color: var(--ink); }

@keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }

/* ============ SECTION HEAD ============ */
.section-head { max-width: var(--maxw); margin: 0 auto; padding: clamp(90px, 13vw, 150px) var(--gut) clamp(50px, 7vw, 80px); }
.head-row { display: flex; justify-content: space-between; margin-bottom: 32px; gap: 16px; flex-wrap: wrap; }
.section-title { font-family: 'Anton', sans-serif; font-weight: 400; font-size: clamp(3.5rem, 13vw, 12rem); line-height: 0.86; letter-spacing: 0.01em; text-transform: uppercase; margin-bottom: 34px; }
.section-lede { max-width: 50ch; font-size: clamp(1.02rem, 1.5vw, 1.25rem); line-height: 1.55; color: var(--muted); }

/* ============ GALLERY ============ */
.gallery { padding-bottom: clamp(70px, 10vw, 120px); }

.feature { position: relative; width: 100%; overflow: hidden; margin-bottom: clamp(20px, 3vw, 36px); }
.feature img { width: 100%; height: clamp(280px, 62vh, 720px); object-fit: cover; filter: brightness(0.85) contrast(1.05); transition: transform 1.2s var(--ease), filter .6s; }
.feature:hover img { transform: scale(1.03); filter: brightness(0.95) contrast(1.1); }
.feature figcaption { position: absolute; left: var(--gut); bottom: var(--gut); z-index: 2; color: var(--ink); display: grid; grid-template-columns: auto 1fr; align-items: end; gap: 24px; max-width: 560px; }
.feature .frame-no { font-family: 'Anton', sans-serif; font-size: 2.4rem; color: var(--ember); }
.feature figcaption h3 { font-family: 'Anton', sans-serif; font-size: clamp(1.6rem, 3vw, 2.6rem); text-transform: uppercase; letter-spacing: 0.01em; }
.feature figcaption p { font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(243,239,232,0.7); margin-top: 4px; }

.masonry { columns: 3; column-gap: clamp(14px, 2vw, 24px); max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gut); }
.m-item { position: relative; break-inside: avoid; margin-bottom: clamp(14px, 2vw, 24px); overflow: hidden; background: var(--bg-2); }
.m-item img { width: 100%; height: auto; display: block; filter: brightness(0.82) contrast(1.04) saturate(0.92); transition: transform 1s var(--ease), filter .6s var(--ease); }
.m-item::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 50%, rgba(8,8,10,0.85) 100%); opacity: 0; transition: opacity .5s var(--ease); pointer-events: none; }
.m-item:hover img { transform: scale(1.05); filter: brightness(0.95) contrast(1.1); }
.m-item:hover::after { opacity: 1; }
.m-item figcaption { position: absolute; left: 20px; bottom: 18px; right: 20px; z-index: 2; color: var(--ink); display: grid; grid-template-columns: auto 1fr; align-items: end; gap: 16px; transform: translateY(14px); opacity: 0; transition: transform .5s var(--ease), opacity .5s var(--ease); }
.m-item:hover figcaption { transform: translateY(0); opacity: 1; }
.m-item .frame-no { font-family: 'Anton', sans-serif; font-size: 1.3rem; color: var(--ember); }
.m-item figcaption h3 { font-family: 'Anton', sans-serif; font-size: 1.1rem; text-transform: uppercase; }
.m-item figcaption p { font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(243,239,232,0.7); margin-top: 3px; }

.archive-link { max-width: var(--maxw); margin: clamp(60px, 8vw, 100px) auto 0; padding: 0 var(--gut); text-align: center; }
.archive-link a { font-family: 'Anton', sans-serif; font-size: clamp(1.4rem, 3vw, 2.2rem); text-transform: uppercase; letter-spacing: 0.01em; border-bottom: 2px solid var(--ember); padding-bottom: 6px; color: var(--ink); transition: opacity .3s, letter-spacing .3s; }
.archive-link a:hover { opacity: 0.6; }

/* ============ ABOUT ============ */
.about { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: clamp(80px, 12vw, 140px) 0; position: relative; }
.about-grid { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gut); display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(40px, 6vw, 96px); align-items: center; }
.about-img { position: relative; }
.about-img img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; filter: brightness(0.85) contrast(1.05) saturate(0.9); box-shadow: 0 40px 80px -30px rgba(0,0,0,0.7); }
.about-tag { position: absolute; bottom: -16px; right: -8px; background: var(--bg); border: 1px solid var(--line); padding: 11px 18px; font-size: 0.76rem; letter-spacing: 0.04em; color: var(--muted); display: flex; align-items: center; gap: 9px; }
.about-tag .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ember); display: inline-block; box-shadow: 0 0 10px var(--ember); }
.about-copy .head-row { margin-bottom: 26px; }
.about-title { font-family: 'Anton', sans-serif; font-weight: 400; font-size: clamp(2.6rem, 6.5vw, 6rem); line-height: 0.9; letter-spacing: 0.01em; text-transform: uppercase; margin-bottom: 36px; }
.about-title em { color: var(--ember); font-style: italic; }
.about-prose { margin-bottom: 44px; max-width: 48ch; }
.about-prose p { color: var(--muted); margin-bottom: 18px; font-size: 1.04rem; }
.about-prose em { color: var(--ink); font-style: italic; }

.about-stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-bottom: 34px; }
.stat { padding: 24px 18px; border-right: 1px solid var(--line); display: flex; flex-direction: column; gap: 6px; }
.stat:last-child { border-right: none; }
.stat-n { font-family: 'Anton', sans-serif; font-size: clamp(1.9rem, 3.6vw, 2.8rem); color: var(--ink); }
.stat-k { font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted-2); }
.clients .kicker { display: block; margin-bottom: 16px; }
.client-row { display: flex; flex-wrap: wrap; gap: 10px 0; }
.client-row span { font-family: 'Anton', sans-serif; font-size: 1.05rem; text-transform: uppercase; padding: 0 18px; border-right: 1px solid var(--line); color: var(--muted); }
.client-row span:last-child { border-right: none; }

/* ============ CTA ============ */
.cta { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.cta-bg { position: absolute; inset: 0; background:
  radial-gradient(circle at 80% 20%, rgba(214,138,74,0.16) 0%, transparent 50%),
  radial-gradient(circle at 10% 90%, rgba(58,111,106,0.14) 0%, transparent 55%),
  var(--bg); }
.cta-bg::after { content: ''; position: absolute; inset: 0; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); opacity: 0.05; mix-blend-mode: overlay; }
.cta-inner { position: relative; z-index: 2; max-width: var(--maxw); margin: 0 auto; padding: clamp(100px, 16vw, 190px) var(--gut); text-align: center; }
.cta-inner .kicker.accent { display: block; margin-bottom: 26px; }
.cta-title { font-family: 'Anton', sans-serif; font-weight: 400; font-size: clamp(3rem, 11vw, 10rem); line-height: 0.86; letter-spacing: 0.01em; text-transform: uppercase; margin-bottom: 30px; }
.cta-sub { max-width: 48ch; margin: 0 auto 48px; color: var(--muted); font-size: 1.05rem; line-height: 1.55; }
.cta-mail { display: inline-block; font-family: 'Anton', sans-serif; font-size: clamp(1.5rem, 4vw, 2.8rem); text-transform: uppercase; letter-spacing: 0.01em; border-bottom: 2px solid var(--ember); padding-bottom: 8px; color: var(--ink); transition: opacity .3s, letter-spacing .3s; }
.cta-mail:hover { opacity: 0.6; }
.cta-meta { margin-top: 50px; display: flex; justify-content: center; flex-wrap: wrap; gap: 16px 40px; font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted-2); }

/* ============ FOOTER ============ */
.footer { background: var(--bg); padding: clamp(60px, 8vw, 100px) 0 32px; }
.foot-top { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gut) 48px; display: grid; grid-template-columns: 1.3fr 2fr; gap: 48px; border-bottom: 1px solid var(--line); }
.foot-logo { font-family: 'Anton', sans-serif; font-size: clamp(3rem, 8vw, 7rem); line-height: 0.85; text-transform: uppercase; }
.foot-logo span { color: var(--ember); }
.foot-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.foot-cols > div { display: flex; flex-direction: column; gap: 12px; }
.foot-cols .kicker { color: var(--muted-2); margin-bottom: 4px; }
.foot-cols a { font-size: 0.95rem; color: var(--muted); transition: color .3s, padding .25s var(--ease); }
.foot-cols a:hover { color: var(--ember); padding-left: 8px; }
.foot-bottom { max-width: var(--maxw); margin: 0 auto; padding: 26px var(--gut) 0; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted-2); }

/* ============ REVEAL ============ */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ============ RESPONSIVE ============ */
@media (max-width: 1000px) {
  .masonry { columns: 2; }
  .about-grid { grid-template-columns: 1fr; gap: 56px; }
  .about-img { max-width: 460px; }
  .hero-strip { grid-template-columns: repeat(2, 1fr); }
  .hero-strip > div { border-bottom: 1px solid rgba(243,239,232,0.12); }
  .hero-strip > div:nth-child(2n) { border-right: none; }
  .hero-strip > div:nth-child(n+3) { border-bottom: none; }
}
@media (max-width: 720px) {
  .nav-links, .nav-book { display: none; }
  .menu-btn { display: flex; }
  .mobile-menu { display: flex; }
  .hero-bottom { grid-template-columns: 1fr; gap: 24px; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .foot-top { grid-template-columns: 1fr; }
  .foot-cols { grid-template-columns: 1fr 1fr; }
  .feature figcaption { grid-template-columns: 1fr; gap: 8px; }
}
@media (max-width: 540px) {
  .masonry { columns: 1; }
  .hero-strip { grid-template-columns: 1fr; }
  .hero-strip > div { border-right: none; border-bottom: 1px solid rgba(243,239,232,0.12); }
  .hero-strip > div:last-child { border-bottom: none; }
}

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