/* ============================================================
   Hansje Görtz — style.css
   ============================================================ */

/* 1. DESIGN TOKENS
   ============================================================ */
:root {
  /* Colours */
  --color-teal:             #1B5C58;
  --color-teal-dark:        #0E2623;
  --color-teal-mid:         #144D49;
  --color-champagne:        #C9A96E;
  --color-champagne-light:  #E8D5A8;
  --color-terracotta:       #B87B5A;
  --color-cream:            #F6F1EC;
  --color-cream-dark:       #EDE7DF;
  --color-text-dark:        #1C1C1A;
  --color-text-mid:         #4A4845;
  --color-text-light:       #F0EBE4;
  --color-text-muted:       #A8A29C;

  /* Typography */
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-ui:      'Jost', system-ui, sans-serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  /* Spacing */
  --space-xs:   0.5rem;
  --space-sm:   1rem;
  --space-md:   1.5rem;
  --space-lg:   2.5rem;
  --space-xl:   4rem;
  --space-2xl:  6rem;
  --space-3xl:  9rem;

  /* Layout */
  --max-width:        1200px;
  --max-width-narrow: 760px;
  --header-height:    68px;
  --section-pad-v:    var(--space-3xl);

  /* Radii */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-pill: 100px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.6s ease;

  /* Shadows */
  --shadow-soft: 0 4px 24px rgba(0,0,0,0.12);
  --shadow-deep: 0 8px 48px rgba(0,0,0,0.28);
}


/* 2. RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  line-height: 1.7;
  color: var(--color-text-dark);
  background-color: var(--color-cream);
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }


/* 3. LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-md);
}
.container--narrow { max-width: var(--max-width-narrow); }

.section--light { background-color: var(--color-cream); color: var(--color-text-dark); }
.section--dark  { background-color: var(--color-teal-dark); color: var(--color-text-light); position: relative; }
.section--teal  { background-color: var(--color-teal-mid); color: var(--color-text-light); position: relative; }

/* SVG noise grain for dark sections */
.section-grain, .hero-grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.06;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  mix-blend-mode: screen;
}

.section-label {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-terracotta);
  margin-bottom: var(--space-sm);
}
.section-label--light { color: var(--color-champagne); }

/* Scroll fade-in (applied via JS) */
.fade-target {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-target.is-visible { opacity: 1; transform: translateY(0); }


/* 4. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.75em 1.75em;
  min-height: 48px;
  border-radius: var(--radius-pill);
  transition: background-color var(--transition-base), color var(--transition-base),
              border-color var(--transition-base), transform var(--transition-fast);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }

.btn--outline {
  border: 1px solid var(--color-champagne);
  color: var(--color-champagne);
  background: transparent;
}
.btn--outline:hover { background: var(--color-champagne); color: var(--color-teal-dark); }

.btn--outline-dark {
  border: 1px solid var(--color-teal);
  color: var(--color-teal);
  background: transparent;
}
.btn--outline-dark:hover { background: var(--color-teal); color: var(--color-cream); }

.btn--ghost {
  border: 1px solid rgba(240,235,228,0.3);
  color: var(--color-text-light);
  background: transparent;
}
.btn--ghost:hover { border-color: rgba(240,235,228,0.7); background: rgba(240,235,228,0.08); }

.btn--filled {
  background: var(--color-champagne);
  color: var(--color-teal-dark);
  border: 1px solid var(--color-champagne);
}
.btn--filled:hover { background: var(--color-champagne-light); border-color: var(--color-champagne-light); }

.btn--full { width: 100%; justify-content: center; }


/* 5. HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-height);
  transition: background-color var(--transition-base), backdrop-filter var(--transition-base), box-shadow var(--transition-base);
}

.site-header.scrolled {
  background-color: rgba(14, 38, 35, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(201, 169, 110, 0.15);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-md);
  gap: var(--space-md);
}

.header-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: 0.06em;
  color: var(--color-text-light);
  flex-shrink: 0;
}

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

.header-nav a {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(240, 235, 228, 0.65);
  transition: color var(--transition-fast);
  position: relative;
}
.header-nav a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 0;
  height: 1px;
  background: var(--color-champagne);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}
.header-nav a:hover { color: var(--color-text-light); }
.header-nav a:hover::after { transform: scaleX(1); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 16px;
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--color-text-light);
  transition: transform var(--transition-base), opacity var(--transition-fast);
}
.hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

/* Mobile nav overlay */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 99;
  background-color: var(--color-teal-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}
.mobile-nav.is-open { opacity: 1; pointer-events: all; }

.mobile-nav nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  text-align: center;
}

.mobile-nav__link {
  font-family: var(--font-display);
  font-size: clamp(2rem, 8vw, 3.5rem);
  font-weight: 300;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
  transition: color var(--transition-fast);
}
.mobile-nav__link:hover { color: var(--color-champagne); }

.mobile-nav__link--cta {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: 1px solid var(--color-champagne);
  color: var(--color-champagne);
  padding: 0.75em 2em;
  border-radius: var(--radius-pill);
  margin-top: var(--space-sm);
}


/* 6. HERO SECTION
   ============================================================ */
.section-hero {
  position: relative;
  height: 100dvh;
  min-height: 600px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }

/* Gradient darkens bottom-left for text legibility */
.hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(14, 38, 35, 0.85) 0%,
    rgba(14, 38, 35, 0.35) 40%,
    rgba(14, 38, 35, 0.08) 70%,
    transparent 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 var(--space-md) var(--space-2xl);
  max-width: calc(var(--max-width) + 2 * var(--space-md));
  margin-inline: auto;
  width: 100%;
}

.hero-eyebrow {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-champagne);
  margin-bottom: var(--space-xs);
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp 0.8s ease-out 0.2s forwards;
}

.hero-name {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(3.5rem, 10vw, 9rem);
  line-height: 0.95;
  letter-spacing: -0.01em;
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
}

/* Champagne underline draws itself after name appears */
.hero-name::after {
  content: '';
  display: block;
  width: 0;
  height: 1px;
  background: var(--color-champagne);
  margin-top: var(--space-sm);
  animation: drawLine 0.8s ease-out 1.1s forwards;
}

.hero-name__line1, .hero-name__line2 {
  display: block;
  opacity: 0;
  transform: translateY(20px);
}
.hero-name__line1 { animation: fadeUp 0.9s ease-out 0.4s forwards; }
.hero-name__line2 { animation: fadeUp 0.9s ease-out 0.6s forwards; }

.hero-tagline {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(240, 235, 228, 0.6);
  margin-bottom: var(--space-lg);
  opacity: 0;
  animation: fadeUp 0.8s ease-out 0.8s forwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  opacity: 0;
  animation: fadeUp 0.8s ease-out 1s forwards;
}

.hero-scroll-hint {
  position: absolute;
  bottom: var(--space-lg);
  right: var(--space-md);
  z-index: 2;
  opacity: 0;
  animation: fadeIn 1s ease 1.5s forwards;
}
.hero-scroll-line {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, transparent, var(--color-champagne));
  animation: scrollPulse 2s ease-in-out 2s infinite;
}


/* 7. ABOUT SECTION
   ============================================================ */
.section-about { padding-block: var(--section-pad-v); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.about-heading {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--color-teal);
  margin-bottom: var(--space-lg);
}

.about-bio {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--color-text-mid);
  margin-bottom: var(--space-md);
  max-width: 55ch;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: var(--space-lg);
}

.tag {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.4em 0.9em;
  border: 1px solid var(--color-teal);
  color: var(--color-teal);
  border-radius: var(--radius-pill);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}
.tag:hover { background: var(--color-teal); color: var(--color-cream); }

.about-photo-wrap {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 3/4;
}

.about-photo {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.8s ease;
}
.about-photo-wrap:hover .about-photo { transform: scale(1.03); }


/* 8. SHOWREEL SECTION
   ============================================================ */
.section-showreel { padding-block: var(--section-pad-v); text-align: center; }

.showreel-heading {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
  position: relative;
  z-index: 1;
}

.video-wrap {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin-inline: auto;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-deep);
}
.video-wrap iframe { position: absolute; inset: 0; width: 100%; height: 100%; }

.showreel-note {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: var(--space-lg);
}


/* 9. CREDITS SECTION
   ============================================================ */
.section-credits { padding-block: var(--section-pad-v); }

.credits-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 300;
  color: var(--color-teal);
  margin-bottom: var(--space-xl);
}

.credits-tabs {
  display: flex;
  border-bottom: 1px solid var(--color-cream-dark);
  margin-bottom: var(--space-xl);
  overflow-x: auto;
  scrollbar-width: none;
}
.credits-tabs::-webkit-scrollbar { display: none; }

.tab-btn {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-mid);
  padding: 0.75em 1.5em;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
  min-height: 48px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.tab-btn:hover { color: var(--color-teal); }
.tab-btn--active { color: var(--color-teal); border-bottom-color: var(--color-champagne); }

.credits-list { display: none; }
.credits-list--active { display: block; }

.credit-item {
  display: grid;
  grid-template-columns: 1fr 1.2fr auto;
  gap: var(--space-md);
  align-items: baseline;
  padding-block: 1rem;
  border-bottom: 1px solid var(--color-cream-dark);
  transition: background-color var(--transition-fast);
}
.credit-item:hover { background-color: rgba(27, 92, 88, 0.04); }

.credit-role {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--color-text-dark);
}
.credit-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--color-teal);
}
.credit-details {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--color-text-muted);
  text-align: right;
  white-space: nowrap;
}

.credits-footer {
  margin-top: var(--space-2xl);
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}
.credits-footer-text {
  font-size: 0.9rem;
  color: var(--color-text-mid);
  flex: 1;
  min-width: 200px;
}


/* 10. TRAINING SECTION
   ============================================================ */
.section-training { padding-block: var(--section-pad-v); }

.training-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 300;
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
}

.training-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
}

.training-col-title {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-champagne);
  margin-bottom: var(--space-md);
}
.training-col-title--spaced { margin-top: var(--space-xl); }

.training-list li {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-sm);
  padding-block: 0.75rem;
  border-bottom: 1px solid rgba(240, 235, 228, 0.1);
}
.training-desc:only-child {
  grid-column: 1 / -1;
}
.training-year {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--color-text-muted);
  padding-top: 0.15em;
}
.training-desc { font-size: 0.9rem; color: var(--color-text-light); line-height: 1.5; }


/* 11. PHOTOS / GALLERY SECTION
   ============================================================ */
.section-photos { padding-block: var(--section-pad-v); }

.photos-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 300;
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
}

.photos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 420px;
  gap: var(--space-sm);
}

.photo-item {
  overflow: hidden;
  border-radius: var(--radius-sm);
  cursor: pointer;
  position: relative;
}
.photo-item--tall { grid-row: span 1; }

.photo-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.7s ease, filter 0.4s ease;
  filter: saturate(0.9);
}
.photo-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(14, 38, 35, 0);
  transition: background var(--transition-base);
  pointer-events: none;
}
.photo-item:hover img { transform: scale(1.05); filter: saturate(1.05); }
.photo-item:hover::after { background: rgba(14, 38, 35, 0.15); }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(14, 38, 35, 0.96);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}
.lightbox.is-open { opacity: 1; pointer-events: all; }

.lightbox-img { max-width: 90vw; max-height: 90vh; object-fit: contain; border-radius: var(--radius-sm); }

.lightbox-close {
  position: absolute;
  top: var(--space-md); right: var(--space-md);
  font-size: 1.8rem;
  color: var(--color-text-light);
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}
.lightbox-close:hover { opacity: 1; }

.lightbox-prev, .lightbox-next {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  font-size: 1.5rem;
  color: var(--color-text-light);
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}
.lightbox-prev:hover, .lightbox-next:hover { opacity: 1; }
.lightbox-prev { left: var(--space-md); }
.lightbox-next { right: var(--space-md); }


/* 12. CONTACT SECTION
   ============================================================ */
.section-contact { padding-block: var(--section-pad-v); }
.contact-inner { text-align: center; }

.contact-heading {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 300;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}
.contact-subtext {
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 46ch;
  margin-inline: auto;
  margin-bottom: var(--space-xl);
}
.contact-email {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 3vw, 1.6rem);
  font-weight: 300;
  font-style: italic;
  color: var(--color-champagne);
  border-bottom: 1px solid rgba(201, 169, 110, 0.4);
  padding-bottom: 2px;
  margin-bottom: var(--space-2xl);
  transition: border-color var(--transition-fast), color var(--transition-fast);
}
.contact-email:hover { border-color: var(--color-champagne); color: var(--color-champagne-light); }

.contact-form { text-align: left; margin-bottom: var(--space-2xl); }

.form-row { margin-bottom: var(--space-md); }
.form-label {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.5em;
}
.form-input {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text-light);
  background: rgba(240, 235, 228, 0.06);
  border: 1px solid rgba(240, 235, 228, 0.15);
  border-radius: var(--radius-sm);
  padding: 0.85em 1em;
  outline: none;
  min-height: 48px;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}
.form-input::placeholder { color: rgba(240, 235, 228, 0.25); }
.form-input:focus { border-color: var(--color-champagne); background: rgba(240, 235, 228, 0.1); }
.form-textarea { resize: vertical; min-height: 120px; }

.form-success {
  margin-top: var(--space-md);
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--color-champagne);
  text-align: center;
  letter-spacing: 0.06em;
}

.social-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}
.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(240, 235, 228, 0.5);
  min-height: 48px;
  transition: color var(--transition-fast);
}
.social-link:hover { color: var(--color-champagne); }

.contact-location {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: rgba(240, 235, 228, 0.3);
}


/* 13. FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-teal-dark);
  border-top: 1px solid rgba(201, 169, 110, 0.15);
  padding-block: var(--space-lg);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.footer-name { font-family: var(--font-display); font-size: 0.9rem; font-weight: 300; color: var(--color-text-light); }
.footer-legal { font-family: var(--font-ui); font-size: 0.7rem; color: rgba(240, 235, 228, 0.25); }
.footer-back-top {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-champagne);
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}
.footer-back-top:hover { opacity: 1; }


/* 14. KEYFRAME ANIMATIONS
   ============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes drawLine {
  from { width: 0; }
  to   { width: 100%; }
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50%       { opacity: 1;   transform: scaleY(1.2); }
}


/* 15. RESPONSIVE BREAKPOINTS
   ============================================================ */

/* TABLET (< 900px) */
@media (max-width: 900px) {
  :root { --section-pad-v: 5rem; }

  .about-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .about-photo-wrap { max-width: 400px; margin-inline: auto; aspect-ratio: 4/3; }
  .training-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .photos-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 360px; }

  .credit-item { grid-template-columns: 1fr 1fr; grid-template-rows: auto auto; }
  .credit-details { grid-column: 1 / -1; text-align: left; padding-top: 0.25rem; }
}

/* MOBILE (< 640px) */
@media (max-width: 640px) {
  :root { --section-pad-v: 4rem; --header-height: 60px; }

  .header-nav, .header-cta { display: none; }
  .hamburger { display: flex; }

  .hero-img { object-position: 70% top; }
  .hero-content { padding-bottom: var(--space-xl); }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .hero-actions .btn { width: 100%; justify-content: center; max-width: 280px; }

  .about-heading { font-size: 2.5rem; }
  .about-photo-wrap { aspect-ratio: 1/1; max-width: 100%; }

  .credit-item { grid-template-columns: 1fr; gap: 0.25rem; padding-block: 1.25rem; }
  .credit-details { text-align: left; margin-top: 0.25rem; }
  .credits-footer { flex-direction: column; align-items: flex-start; }

  .photos-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 260px; }
  .photo-item--tall { grid-row: span 1; }

  .social-links { gap: var(--space-md); }

  .footer-inner { flex-direction: column; text-align: center; }
}