/* ─── home.css ──────────────────────────────────────────────────────────── */

:root {
  --ink:      #0a0a0a;
  --paper:    #f5f3ee;
  --white:    #ffffff;
  --accent:   #e63946;
  --accent2:  #4361ee;
  --ease:     cubic-bezier(0.16, 1, 0.3, 1);
  --font:     'Space Grotesk', -apple-system, 'Helvetica Neue', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--ink);
  color: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── GRAIN OVERLAY ─────────────────────────────────────────────────────── */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.028;
  mix-blend-mode: overlay;
}

/* ── NAVIGATION ─────────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  padding: 1.75rem 2.5rem;
  transition: padding 0.4s var(--ease), background 0.4s, backdrop-filter 0.4s;
}

.nav.scrolled {
  padding: 1rem 2.5rem;
  background: rgba(10, 10, 10, 0.88);
  backdrop-filter: blur(18px) saturate(1.5);
  -webkit-backdrop-filter: blur(18px) saturate(1.5);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--white);
  text-decoration: none;
  transition: opacity 0.2s;
}
.nav-logo:hover { opacity: 0.55; }

.nav-links {
  display: flex;
  gap: 3rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.2s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--white);
  transition: width 0.3s var(--ease);
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 200;
}

.nav-hamburger span {
  display: block;
  width: 26px;
  height: 1.5px;
  background: var(--white);
  transform-origin: center;
  transition: transform 0.35s var(--ease), opacity 0.2s;
}

.nav-hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}
.nav-hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

@media (max-width: 768px) {
  .nav { padding: 1.25rem 1.5rem; }
  .nav.scrolled { padding: 0.875rem 1.5rem; }
  .nav-hamburger { display: flex; }

  .nav-links {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 10, 0.97);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s;
    z-index: 150;
  }

  .nav-links.is-open {
    opacity: 1;
    pointer-events: all;
  }

  .nav-links a {
    font-size: 2rem;
    letter-spacing: 0.04em;
    font-weight: 700;
  }
  .nav-links a::after { display: none; }
}

/* ── HERO ────────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  height: 100svh;
  min-height: 640px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
}

#hero-canvas,
#hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#hero-canvas { z-index: 0; }
#hero-video  { z-index: 1; }

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(to right,  rgba(0,0,0,0.72) 0%,  rgba(0,0,0,0.18) 65%, transparent 100%),
    linear-gradient(to top,    rgba(0,0,0,0.55) 0%,  transparent 40%);
}

.hero-content {
  position: relative;
  z-index: 3;
  padding: 0 6vw;
  max-width: 960px;
}

.hero-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 2.25rem;
  opacity: 0;
  transform: translateY(20px);
  animation: slideUp 0.9s 0.3s var(--ease) forwards;
}

.hero-title {
  font-size: clamp(4.5rem, 13vw, 12rem);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.04em;
  margin-bottom: 3.25rem;
}

.word {
  display: block;
  opacity: 0;
  transform: translateY(90px);
}

.word-solid {
  color: var(--white);
  animation: slideUp 1s 0.5s var(--ease) forwards;
}

.word-outline {
  color: transparent;
  -webkit-text-stroke: 2px rgba(255, 255, 255, 0.82);
  animation: slideUp 1s 0.68s var(--ease) forwards;
}

@keyframes slideUp {
  to { opacity: 1; transform: translateY(0); }
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(20px);
  animation: slideUp 0.9s 1s var(--ease) forwards;
}

/* ── BUTTONS ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.875rem 1.875rem;
  font-family: var(--font);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s, color 0.25s, border-color 0.25s;
}

.btn:hover { transform: translateY(-3px); }

.btn-primary {
  background: var(--white);
  color: var(--ink);
}
.btn-primary:hover { background: var(--accent); color: var(--white); }

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.38);
}
.btn-ghost:hover { border-color: var(--white); background: rgba(255, 255, 255, 0.08); }

/* ── SCROLL HINT ─────────────────────────────────────────────────────────── */
.hero-scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 6vw;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  opacity: 0;
  animation: slideUp 0.9s 1.5s var(--ease) forwards;
}

.scroll-line {
  width: 1px;
  height: 52px;
  background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.5));
  animation: scrollPulse 2.5s ease-in-out infinite;
}

.hero-scroll-hint > span {
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.3);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.35; transform: scaleY(1); }
  50%       { opacity: 1;    transform: scaleY(1.3); }
}

/* ── MARQUEE ─────────────────────────────────────────────────────────────── */
.marquee-strip {
  background: var(--paper);
  color: var(--ink);
  overflow: hidden;
  padding: 1.25rem 0;
  white-space: nowrap;
  border-top: 1px solid rgba(0,0,0,0.06);
}

.marquee-track {
  display: inline-block;
  animation: marqueeScroll 28s linear infinite;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.marquee-strip:hover .marquee-track { animation-play-state: paused; }

.marquee-track span { margin-right: 2rem; }
.marquee-track .sep { color: var(--accent); margin-right: 2rem; }

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── SPLIT SECTIONS ──────────────────────────────────────────────────────── */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 88vh;
  overflow: hidden;
}

.split-section.reverse { direction: rtl; }
.split-section.reverse > * { direction: ltr; }

/* Image panel */
.split-image {
  position: relative;
  overflow: hidden;
}

.split-image picture { display: block; width: 100%; height: 100%; }

.split-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.08);
  transform: scale(1.08);
  transition: filter 1.4s var(--ease), transform 1.4s var(--ease);
  display: block;
}

.split-section[data-in-view] .split-image img {
  filter: grayscale(0) contrast(1.03);
  transform: scale(1);
}

/* Chromatic tint — color-burns onto the image as it enters */
.image-tint {
  position: absolute;
  inset: 0;
  pointer-events: none;
  mix-blend-mode: color;
  opacity: 0;
  transition: opacity 1.8s 0.6s var(--ease);
}

.split-section[data-in-view] .image-tint {
  opacity: 0.22;
  animation: chromaShift 12s ease-in-out infinite alternate;
}

@keyframes chromaShift {
  0%   { filter: hue-rotate(0deg)   brightness(1);   opacity: 0.22; }
  40%  { filter: hue-rotate(55deg)  brightness(1.25); opacity: 0.32; }
  70%  { filter: hue-rotate(-30deg) brightness(0.9);  opacity: 0.18; }
  100% { filter: hue-rotate(80deg)  brightness(1.1);  opacity: 0.28; }
}

/* Content panel */
.split-content {
  background: var(--ink);
  display: flex;
  align-items: center;
  padding: 5rem 5vw;
}

.split-inner {
  max-width: 480px;
  opacity: 0;
  transform: translateY(48px);
  transition: opacity 1s 0.35s var(--ease), transform 1s 0.35s var(--ease);
}

.split-section[data-in-view] .split-inner {
  opacity: 1;
  transform: translateY(0);
}

.label {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.32);
  margin-bottom: 1.5rem;
}

.split-inner h2 {
  font-size: clamp(2.75rem, 5.5vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.95;
  margin-bottom: 1.625rem;
}

.split-inner p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.52);
  margin-bottom: 2.5rem;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--white);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: gap 0.3s var(--ease), color 0.2s;
}
.link-arrow svg { flex-shrink: 0; transition: transform 0.3s var(--ease); }
.link-arrow:hover { gap: 1.125rem; color: var(--accent); }
.link-arrow:hover svg { transform: translateX(4px); }

/* ── SERVICES SECTION ────────────────────────────────────────────────────── */
.services-section {
  background: var(--paper);
  color: var(--ink);
  padding: 11rem 5vw;
}

.services-inner {
  max-width: 1240px;
  margin: 0 auto;
}

.services-header {
  margin-bottom: 5.5rem;
}

.services-header .label { color: rgba(0, 0, 0, 0.32); }

.services-header h2 {
  font-size: clamp(2.5rem, 5.5vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--ink);
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}

.services-section[data-in-view] .services-header h2 {
  opacity: 1;
  transform: translateY(0);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 3px;
}

.service-card {
  background: var(--ink);
  color: var(--white);
  padding: 3.75rem 2.875rem;
  position: relative;
  overflow: hidden;
  cursor: default;
  opacity: 0;
  transform: translateY(32px);
  transition:
    opacity   0.7s var(--ease),
    transform 0.7s var(--ease),
    background 0.3s;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent2) 0%, var(--accent) 100%);
  opacity: 0;
  transition: opacity 0.45s var(--ease);
}

.service-card:hover { background: #111; }
.service-card:hover::before { opacity: 0.14; }

.services-section[data-in-view] .service-card:nth-child(1) { opacity:1; transform:translateY(0); transition-delay:0.12s; }
.services-section[data-in-view] .service-card:nth-child(2) { opacity:1; transform:translateY(0); transition-delay:0.22s; }
.services-section[data-in-view] .service-card:nth-child(3) { opacity:1; transform:translateY(0); transition-delay:0.32s; }
.services-section[data-in-view] .service-card:nth-child(4) { opacity:1; transform:translateY(0); transition-delay:0.42s; }

.card-num {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.18);
  margin-bottom: 2rem;
  position: relative;
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.875rem;
  position: relative;
  transition: color 0.2s;
}

.service-card:hover h3 { color: var(--white); }

.service-card p {
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.48);
  position: relative;
}

.card-link {
  display: inline-block;
  margin-top: 1.75rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.35);
  text-decoration: none;
  transition: color 0.2s;
  position: relative;
}
.card-link:hover { color: var(--white); }

/* ── FOOTER ──────────────────────────────────────────────────────────────── */
.site-footer {
  background: #050505;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 5rem 5vw;
}

.footer-inner { max-width: 1240px; margin: 0 auto; }

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 2rem;
}

.footer-brand {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.footer-nav {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  align-items: center;
}

.footer-nav a {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.38);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-nav a:hover { color: var(--white); }

.footer-bottom p {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.2);
}

/* ── RESPONSIVE ──────────────────────────────────────────────────────────── */
@media (max-width: 960px) {
  .split-section,
  .split-section.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
    min-height: auto;
  }

  .split-image {
    height: 70vw;
    min-height: 300px;
    max-height: 520px;
  }

  .split-section.reverse .split-image { order: -1; }

  .split-content { padding: 4rem 2rem; }
  .split-inner { max-width: 100%; }
  .hero-content { padding: 0 1.5rem; }
  .hero-scroll-hint { left: 1.5rem; }
  .services-section { padding: 7rem 1.5rem; }
  .footer-top { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 520px) {
  .hero-title { font-size: clamp(3.25rem, 17vw, 5rem); }
  .word-outline { -webkit-text-stroke-width: 1.5px; }
  .services-grid { gap: 3px; }
  .service-card { padding: 2.75rem 1.875rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}