/* ==========================================================
   LAYKA DESIGN — Portfolio Styles
   Tokens: paper #FAF9F5 · ink #15161A · violet #5B4FE8
           yellow #F5C94B · gray #8A8A90 · line #E4E2DB
   ========================================================== */

:root {
  --paper: #FAF9F5;
  --ink: #15161A;
  --violet: #5B4FE8;
  --yellow: #F5C94B;
  --gray: #8A8A90;
  --line: #E4E2DB;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --container: 1180px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

/* Subtle paper grain for warmth, purely decorative */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.035;
  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='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* stagger hero lines on load */
.hero .reveal { transition-delay: 0s; }
.hero-loaded .reveal:nth-child(1) { transition-delay: 0.05s; }
.hero-loaded .reveal:nth-child(2) { transition-delay: 0.15s; }
.hero-loaded .reveal:nth-child(3) { transition-delay: 0.25s; }
.hero-loaded .reveal:nth-child(4) { transition-delay: 0.35s; }
.hero-loaded .reveal:nth-child(5) { transition-delay: 0.45s; }
.hero.hero-loaded .reveal { opacity: 1; transform: translateY(0); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 48px;
  transition: padding 0.4s var(--ease), background 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.site-header.is-scrolled {
  padding: 16px 48px;
  background: rgba(250, 249, 245, 0.85);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 var(--line);
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
}
.logo .dot { color: var(--violet); }

.nav {
  display: flex;
  gap: 36px;
}
.nav a {
  position: relative;
  font-size: 0.95rem;
  color: var(--ink);
  padding-bottom: 4px;
}
.nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 1.5px;
  background: var(--violet);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s var(--ease);
}
.nav a:hover::after { transform: scaleX(1); transform-origin: left; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 12px 22px;
  border-radius: 999px;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.btn-ghost {
  border: 1.5px solid var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: var(--paper); transform: translateY(-2px); }
.btn-solid {
  background: var(--ink);
  color: var(--paper);
}
.btn-solid:hover { background: var(--violet); transform: translateY(-2px); }
.btn-text {
  padding: 12px 6px;
  font-weight: 500;
  color: var(--gray);
}
.btn-text:hover { color: var(--ink); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.nav-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  max-width: var(--container);
  margin: 0 auto;
  padding: 100px 48px 70px;
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--violet);
  margin-bottom: 24px;
}
.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.6rem, 7vw, 5.4rem);
  line-height: 1.03;
  letter-spacing: -0.03em;
}
.hero-title span { display: block; }
.hero-accent { color: var(--violet); font-style: italic; }
.hero-sub {
  max-width: 520px;
  margin-top: 28px;
  font-size: 1.15rem;
  color: var(--gray);
}
.hero-cta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 40px;
}

/* ---------- Marquee ---------- */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  padding: 20px 0;
  background: var(--ink);
}
.marquee-track {
  display: inline-flex;
  white-space: nowrap;
  animation: marquee 28s linear infinite;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.4rem;
  color: var(--paper);
}
.marquee-track span { padding: 0 18px; }
.marquee-track .sep { color: var(--yellow); padding: 0 24px; }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- Section shared ---------- */
section { max-width: var(--container); margin: 0 auto; padding: 110px 48px; }
.section-head { margin-bottom: 56px; }
.section-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--violet);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
}
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

/* ---------- Services ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.service-card {
  background: var(--paper);
  padding: 40px 32px;
  transition: background 0.35s var(--ease), transform 0.35s var(--ease);
}
.service-card:hover { background: #fff; transform: translateY(-4px); }
.service-icon { color: var(--violet); width: 42px; height: 42px; margin-bottom: 28px; }
.service-icon svg { width: 100%; height: 100%; }
.service-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.3rem;
  margin-bottom: 12px;
}
.service-card p { color: var(--gray); font-size: 0.95rem; }

/* ---------- Portfolio ---------- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.proj--wide { grid-column: span 2; }
.proj--tall { grid-row: span 2; }

.proj-frame {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
  background: var(--ink);
}
.proj--wide .proj-frame { aspect-ratio: 16 / 9; }
.proj--tall .proj-frame { aspect-ratio: 3 / 4; }

.proj-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.proj-frame:hover .proj-img { transform: scale(1.06); }

.proj-fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0) 40%);
  display: flex;
  align-items: flex-end;
  padding: 18px;
  pointer-events: none;
}

.proj-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(255,255,255,0.9);
  background: rgba(0,0,0,0.25);
  padding: 5px 10px;
  border-radius: 999px;
}

/* Crop-mark signature detail, inspired by print register marks */
.crop-mark {
  position: absolute;
  width: 18px;
  height: 18px;
  border-color: var(--paper);
  opacity: 0;
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
  z-index: 2;
}
.proj-frame:hover .crop-mark { opacity: 0.9; }
.crop-mark.tl { top: 10px; left: 10px; border-top: 2px solid; border-left: 2px solid; transform: translate(6px, 6px); }
.crop-mark.tr { top: 10px; right: 10px; border-top: 2px solid; border-right: 2px solid; transform: translate(-6px, 6px); }
.crop-mark.bl { bottom: 10px; left: 10px; border-bottom: 2px solid; border-left: 2px solid; transform: translate(6px, -6px); }
.crop-mark.br { bottom: 10px; right: 10px; border-bottom: 2px solid; border-right: 2px solid; transform: translate(-6px, -6px); }
.proj-frame:hover .crop-mark.tl,
.proj-frame:hover .crop-mark.tr,
.proj-frame:hover .crop-mark.bl,
.proj-frame:hover .crop-mark.br { transform: translate(0, 0); }

.proj-meta { margin-top: 16px; }
.proj-meta h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 6px;
}
.proj-meta p { color: var(--gray); font-size: 0.9rem; }

.portfolio-note {
  margin-top: 48px;
  color: var(--gray);
  font-size: 0.95rem;
  font-family: var(--font-mono);
}

/* ---------- Process ---------- */
.process-list { border-top: 1px solid var(--line); }
.process-list li {
  display: flex;
  align-items: baseline;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left 0.4s var(--ease);
}
.process-list li:hover { padding-left: 12px; }
.process-index {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--violet);
  min-width: 40px;
}
.process-list h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  margin-bottom: 6px;
}
.process-list p { color: var(--gray); font-size: 0.95rem; max-width: 480px; }

/* ---------- Contact ---------- */
.contact { padding-top: 60px; padding-bottom: 140px; }
.contact-inner h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2rem, 5vw, 3.4rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 14px 0 48px;
}
.contact-links {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}
.contact-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 26px 4px;
  border-bottom: 1px solid var(--line);
  transition: padding-left 0.35s var(--ease), color 0.35s var(--ease);
}
.contact-link span {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--gray);
  text-transform: uppercase;
}
.contact-link strong {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.4rem;
}
.contact-link:hover { padding-left: 14px; color: var(--violet); }

/* ---------- Footer ---------- */
.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 28px 48px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--gray);
}
.site-footer a { transition: color 0.3s var(--ease); }
.site-footer a:hover { color: var(--violet); }

/* ---------- Focus states ---------- */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .site-header { padding: 20px 24px; }
  .site-header.is-scrolled { padding: 14px 24px; }
  .nav {
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: 70vw;
    max-width: 320px;
    background: var(--paper);
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    padding: 40px;
    transform: translateX(100%);
    transition: transform 0.4s var(--ease);
    box-shadow: -8px 0 30px rgba(0,0,0,0.08);
  }
  .nav.nav-open { transform: translateX(0); }
  .nav-toggle { display: flex; }
  .btn-ghost { display: none; }

  section { padding: 70px 24px; }
  .hero { padding: 70px 24px 50px; }

  .service-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .proj--wide { grid-column: span 1; }

  .process-list li { flex-direction: column; gap: 8px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}