/* styles.css — feijen.one */

/* ========== TOKENS ========== */
:root {
  /* Gold palette */
  --gold-ink: #8b6a1f;
  --gold-dark: #b07a22;
  --gold: #f2c46a;
  --gold-light: #ffe7b3;
  --gold-bright: #fff3d9;
  --gold-highlight: #fffbed;
  --gold-shadow: #6a4a12;
  --gold-glow: rgba(242, 196, 106, 0.15);

  --gold-sheen: linear-gradient(
    135deg,
    #b07a22 0%,
    #f2c46a 40%,
    #ffe7b3 60%,
    #f2c46a 80%,
    #b07a22 100%
  );

  /* Backgrounds */
  --bg: #1a1a1a;
  --bg-elevated: #222222;
  --bg-soft: #1e1e1e;
  --bg-card: #242424;

  /* Text */
  --text: #f0f0f0;
  --text-dim: #a0a0a0;
  --text-muted: #707070;

  /* Borders */
  --border-soft: rgba(255, 255, 255, 0.08);

  /* Fonts */
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;

  /* Type scale (fluid) */
  --fs-hero: clamp(3.2rem, 10vw, 6rem);
  --fs-h2: clamp(1.8rem, 4vw, 2.8rem);
  --fs-h3: clamp(1.1rem, 1.5vw, 1.35rem);
  --fs-body: clamp(0.95rem, 1.1vw, 1.1rem);
  --fs-small: clamp(0.8rem, 0.9vw, 0.875rem);
  --fs-eyebrow: 0.6875rem;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 3rem;
  --space-xl: 5rem;
  --space-section: clamp(4rem, 8vh, 8rem);

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 999px;

  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--text);
  background:
    radial-gradient(ellipse at 50% 0%, rgba(242, 196, 106, 0.03), transparent 50%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection {
  background: var(--gold);
  color: var(--bg);
}

/* Override for elements using background-clip: text */
.hero-name::selection {
  -webkit-text-fill-color: var(--bg);
  background: var(--gold);
  color: var(--bg);
}

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.15;
}

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

/* Focus */
*:focus { outline: none; }
*:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* ========== SKIP LINK ========== */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  background: var(--gold);
  color: var(--bg);
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: var(--fs-small);
  z-index: 999;
  transition: top 0.3s var(--ease-out);
}
.skip-link:focus { top: var(--space-sm); }

/* ========== LAYOUT ========== */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.8rem;
}

/* ========== HEADER ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(26, 26, 26, 0.6);
  border-bottom: 1px solid transparent;
  transition: background 0.3s var(--ease-smooth), border-color 0.3s var(--ease-smooth);
}

@supports (backdrop-filter: blur(12px)) or (-webkit-backdrop-filter: blur(12px)) {
  .site-header {
    backdrop-filter: blur(12px) saturate(150%);
    -webkit-backdrop-filter: blur(12px) saturate(150%);
    background: rgba(26, 26, 26, 0.5);
  }
}

.site-header.is-scrolled {
  background: rgba(26, 26, 26, 0.92);
  border-bottom-color: var(--border-soft);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--gold);
  letter-spacing: 0.04em;
}

.nav { display: flex; gap: var(--space-lg); }

.nav a {
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-dim);
  position: relative;
  padding: 0.25rem 0;
  transition: color 0.3s var(--ease-smooth);
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.3s var(--ease-out);
}

.nav a:hover,
.nav a.is-active { color: var(--text); }
.nav a:hover::after,
.nav a.is-active::after { width: 100%; }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--text-dim);
}

.nav-toggle svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  stroke-width: 1.5;
  fill: none;
}

.icon-close { display: none; }

/* ========== HERO ========== */
.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: var(--space-xl) 0;
}

.hero-inner {
  max-width: 720px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  font-family: var(--font-sans);
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.8;
}

.hero-name {
  font-family: var(--font-serif);
  font-size: var(--fs-hero);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1;
  margin: 0;
  color: var(--gold);
}

@supports (background-clip: text) or (-webkit-background-clip: text) {
  .hero-name {
    background: var(--gold-sheen);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
  }
}

.hero-tagline {
  font-size: clamp(1rem, 1.3vw, 1.15rem);
  line-height: 1.7;
  color: var(--text-dim);
  max-width: 540px;
}

.hero-rule {
  width: 48px;
  height: 1px;
  background: var(--gold-sheen);
  opacity: 0.6;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-small);
  color: var(--text-muted);
}

.meta-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.5;
}

.hero-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
}

/* Hero background glow */
.hero-glow {
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242, 196, 106, 0.05), transparent 70%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.5;
  transition: opacity 0.3s;
}

.scroll-indicator:hover { opacity: 0.8; }

.scroll-indicator span {
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
}

.scroll-indicator svg {
  width: 14px;
  height: 14px;
  stroke: var(--gold);
  fill: none;
  animation: scrollBounce 2.4s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(5px); }
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.8rem 1.8rem;
  font-family: var(--font-sans);
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  white-space: nowrap;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

.btn-primary {
  background: var(--gold-sheen);
  background-size: 200% 100%;
  color: var(--bg);
  border: none;
  box-shadow:
    0 1px 3px rgba(0, 0, 0, 0.3),
    0 0 16px rgba(242, 196, 106, 0.15);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.25) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s var(--ease-smooth);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow:
    0 4px 12px rgba(0, 0, 0, 0.4),
    0 0 28px rgba(242, 196, 106, 0.3);
}

.btn-primary:hover::before { opacity: 1; }
.btn-primary:active { transform: translateY(0); }

.btn-outline {
  background: transparent;
  color: var(--gold);
  border: 1px solid rgba(242, 196, 106, 0.35);
  position: relative;
  overflow: hidden;
}

.btn-outline::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gold);
  opacity: 0;
  transition: opacity 0.3s var(--ease-smooth);
  z-index: -1;
}

.btn-outline:hover {
  color: var(--bg);
  border-color: var(--gold);
  transform: translateY(-2px);
}

.btn-outline:hover::before { opacity: 1; }
.btn-outline:active { transform: translateY(0); }

/* ========== SECTIONS ========== */
.section {
  padding: var(--space-section) 0;
  position: relative;
}

.section--alt {
  background: var(--bg-soft);
}

.section-label {
  margin-bottom: var(--space-lg);
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.8;
}

.gold-line {
  width: 0;
  height: 1px;
  background: var(--gold-sheen);
  background-size: 200% 100%;
  margin-top: 0.6rem;
  transition: width 0.8s var(--ease-out);
}

.is-visible .gold-line { width: 48px; }

.section h2 {
  font-size: var(--fs-h2);
  letter-spacing: -0.015em;
  color: var(--text);
  margin-bottom: var(--space-md);
}

/* Section divider */
.section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(242, 196, 106, 0.2), transparent);
}

.section:last-of-type::after { display: none; }

/* ========== ABOUT ========== */
.about-grid {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: var(--space-lg);
  align-items: start;
}

.about-body p {
  color: var(--text-dim);
  margin-bottom: var(--space-md);
  font-size: clamp(0.95rem, 1.1vw, 1.05rem);
  line-height: 1.8;
}

.about-body p:last-child { margin-bottom: 0; }

/* About photo */
.about-photo-wrap {
  position: relative;
  display: inline-block;
  margin-top: var(--space-md);
  padding: 6px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(242, 196, 106, 0.12), rgba(242, 196, 106, 0.04));
}

.about-photo-wrap::before {
  content: '';
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242, 196, 106, 0.06), transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.about-photo {
  display: block;
  width: 240px;
  height: 240px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid rgba(242, 196, 106, 0.2);
  box-shadow:
    0 4px 20px rgba(0, 0, 0, 0.5),
    0 0 24px rgba(242, 196, 106, 0.06);
}

/* ========== APPROACH ========== */
.approach-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.approach-card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-md);
  position: relative;
  overflow: hidden;
  transition: border-color 0.4s var(--ease-smooth), box-shadow 0.4s var(--ease-smooth), transform 0.4s var(--ease-out);
}

.approach-card:hover,
.approach-card:focus-within {
  border-color: rgba(242, 196, 106, 0.18);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 24px var(--gold-glow);
  transform: translateY(-3px);
}

.card-number {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  line-height: 1;
  color: var(--gold);
  opacity: 0.1;
  position: absolute;
  top: var(--space-sm);
  right: var(--space-md);
  transition: opacity 0.4s;
}

.approach-card:hover .card-number { opacity: 0.2; }

.approach-card h3 {
  font-size: var(--fs-h3);
  color: var(--text);
  margin-bottom: 0.6rem;
}

.approach-card p {
  font-size: var(--fs-small);
  color: var(--text-dim);
  line-height: 1.65;
}

/* ========== EXPERIENCE ========== */
.timeline {
  position: relative;
  padding-left: 2.5rem;
  margin-top: var(--space-lg);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--gold), var(--gold-dark), transparent);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-lg);
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-marker {
  position: absolute;
  left: -2.5rem;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 10px var(--gold-glow);
  transform: translateX(-50%);
  margin-left: 0.5px;
}

.timeline-period {
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.8;
  display: block;
  margin-bottom: 0.3rem;
}

.timeline-content h3 {
  font-size: var(--fs-h3);
  margin-bottom: 0.2rem;
}

.timeline-role {
  font-size: var(--fs-small);
  color: var(--text-dim);
  margin-bottom: 0.4rem;
}

.timeline-content > p:last-child {
  font-size: var(--fs-small);
  color: var(--text-muted);
  line-height: 1.6;
}

/* Skills */
.skills-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: var(--space-lg);
}

.pill {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  padding: 0.4rem 1rem;
  border: 1px solid rgba(242, 196, 106, 0.2);
  border-radius: var(--radius-pill);
  color: var(--gold);
  background: rgba(242, 196, 106, 0.04);
  transition: border-color 0.3s, background 0.3s;
}

.pill:hover {
  border-color: rgba(242, 196, 106, 0.4);
  background: rgba(242, 196, 106, 0.08);
}

/* ========== CONTACT ========== */
.contact-inner {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.contact-copy {
  font-size: clamp(0.95rem, 1.1vw, 1.05rem);
  color: var(--text-dim);
  line-height: 1.75;
  margin-bottom: var(--space-lg);
}

.contact-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
}

/* ========== FOOTER ========== */
.site-footer {
  border-top: 1px solid var(--border-soft);
  padding: var(--space-lg) 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--fs-small);
  color: var(--text-muted);
}

/* ========== FILM GRAIN ========== */
.grain {
  position: fixed;
  inset: -50%;
  width: 200%;
  height: 200%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  animation: grain 6s steps(8) infinite;
}

@keyframes grain {
  0%, 100% { transform: translate(0, 0); }
  10% { transform: translate(-3%, -8%); }
  30% { transform: translate(5%, -15%); }
  50% { transform: translate(-8%, 5%); }
  70% { transform: translate(3%, 10%); }
  90% { transform: translate(-5%, 6%); }
}

/* ========== CURSOR GLOW ========== */
.cursor-glow {
  position: fixed;
  width: 400px;
  height: 400px;
  pointer-events: none;
  z-index: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242, 196, 106, 0.04), transparent 70%);
  transform: translate(-200px, -200px);
  will-change: transform;
  opacity: 0;
  transition: opacity 0.4s;
}

/* ========== SCROLL REVEALS ========== */
.reveal-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hero text reveals — stagger */
.reveal-text {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-text.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Delay via data attribute */
[data-delay="1"] { transition-delay: 0.12s; }
[data-delay="2"] { transition-delay: 0.24s; }
[data-delay="3"] { transition-delay: 0.36s; }
[data-delay="4"] { transition-delay: 0.48s; }
[data-delay="5"] { transition-delay: 0.60s; }

/* ========== RESPONSIVE ========== */

/* Tablet */
@media (max-width: 960px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-photo-wrap {
    margin: var(--space-md) auto 0;
  }

  .about-photo {
    width: 180px;
    height: 180px;
  }

  .approach-grid {
    grid-template-columns: 1fr;
  }
}

/* Mobile */
@media (max-width: 640px) {
  .container { padding: 0 1.2rem; }

  /* Mobile nav — push-down dropdown */
  .header-inner {
    flex-wrap: wrap;
    height: auto;
    min-height: 64px;
  }

  .nav-toggle { display: block; }

  /* Icon swap: hamburger ↔ X */
  .nav-toggle[aria-expanded="true"] .icon-hamburger { display: none; }
  .nav-toggle[aria-expanded="true"] .icon-close { display: block; }

  .nav {
    display: none;
    flex-direction: column;
    gap: 0;
    order: 3;
    flex-basis: 100%;
    width: 100%;
    background: var(--bg-elevated);
    border-top: 1px solid var(--border-soft);
    padding: 0.5rem 1.8rem;
  }

  .nav.is-open { display: flex; }

  .nav a {
    font-size: 1rem;
    color: var(--text);
    padding: 0.875rem 0;
    width: 100%;
    border-bottom: 1px solid var(--border-soft);
  }

  .nav a:last-child { border-bottom: none; }

  /* Hero */
  .hero { min-height: 90vh; min-height: 90dvh; }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn { width: 100%; padding: 1rem; }

  .scroll-indicator { display: none; }

  /* Contact */
  .contact-actions {
    flex-direction: column;
    align-items: center;
  }

  .contact-actions .btn { width: 100%; }

  /* Footer */
  .footer-inner {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  /* Reduce grain on mobile for perf */
  .grain { opacity: 0.015; }

}

/* ========== REDUCED MOTION ========== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .reveal-up, .reveal-text {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .gold-line {
    width: 48px;
    transition: none;
  }

  .grain { animation: none; }
  .scroll-indicator svg { animation: none; }
  .cursor-glow { display: none; }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ========== PRINT ========== */
@media print {
  body { background: #fff; color: #000; }
  .grain, .cursor-glow, .hero-glow, .scroll-indicator { display: none; }
  .site-header { position: static; background: #fff; }
  .nav a { color: #000; }
  .hero-name { color: #333; -webkit-text-fill-color: #333; }
  .section--alt { background: #f5f5f5; }
}