/* ============================================================
   SHIVAM LAKHOTIA — Personal Site
   Art direction: Deep ocean + tech precision
   Palette: Midnight navy, warm sand, gold accent
   Fonts: Zodiak (display) + Satoshi (body)
   ============================================================ */

/* ── DESIGN TOKENS ── */
:root {
  /* Type scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    8rem);

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.15);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.2);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  /* Fonts */
  --font-display: 'Zodiak', 'Georgia', serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;
}

/* ── LIGHT MODE ── */
:root, [data-theme="light"] {
  --color-bg:            #f5f3ee;
  --color-surface:       #faf9f6;
  --color-surface-2:     #ffffff;
  --color-surface-offset:#eeebe4;
  --color-border:        #dedad2;
  --color-divider:       #e4e0d8;

  --color-text:          #1a1714;
  --color-text-muted:    #6b6861;
  --color-text-faint:    #b0ada6;
  --color-text-inverse:  #f9f8f4;

  /* Ocean teal as primary accent */
  --color-primary:       #0b6e78;
  --color-primary-hover: #085760;
  --color-primary-light: #d4eaed;

  /* Gold accent */
  --color-gold:          #c5860e;
  --color-gold-light:    #f8edcc;

  --color-nav-bg:        rgba(245,243,238,0.92);
}

/* ── DARK MODE ── */
[data-theme="dark"] {
  --color-bg:            #0e1117;
  --color-surface:       #141820;
  --color-surface-2:     #1a1f2b;
  --color-surface-offset:#181c26;
  --color-border:        #252b38;
  --color-divider:       #1e2330;

  --color-text:          #d4d0c8;
  --color-text-muted:    #7a7872;
  --color-text-faint:    #4a4844;
  --color-text-inverse:  #0e1117;

  /* Ocean teal lightened for dark bg */
  --color-primary:       #3fa8b5;
  --color-primary-hover: #2d8fa0;
  --color-primary-light: #1a3038;

  /* Gold in dark */
  --color-gold:          #e8aa45;
  --color-gold-light:    #2e2510;

  --color-nav-bg:        rgba(14,17,23,0.92);
}

/* System preference fallback */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:            #0e1117;
    --color-surface:       #141820;
    --color-surface-2:     #1a1f2b;
    --color-surface-offset:#181c26;
    --color-border:        #252b38;
    --color-divider:       #1e2330;
    --color-text:          #d4d0c8;
    --color-text-muted:    #7a7872;
    --color-text-faint:    #4a4844;
    --color-text-inverse:  #0e1117;
    --color-primary:       #3fa8b5;
    --color-primary-hover: #2d8fa0;
    --color-primary-light: #1a3038;
    --color-gold:          #e8aa45;
    --color-gold-light:    #2e2510;
    --color-nav-bg:        rgba(14,17,23,0.92);
  }
}

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

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
}

body {
  min-height: 100dvh;
  line-height: 1.65;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 { text-wrap: balance; line-height: 1.15; font-family: var(--font-display); }
p, li { text-wrap: pretty; }
button { cursor: pointer; background: none; border: none; }

::selection {
  background: color-mix(in srgb, var(--color-primary) 25%, transparent);
  color: var(--color-text);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}

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

/* ── UTILITY ── */
.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
}

.section {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
}

.section-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.section-label.light {
  color: rgba(255,255,255,0.6);
}

.section > .container > h2,
.section h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  line-height: 1.1;
  color: var(--color-text);
  margin-bottom: var(--space-12);
}

.section > .container > h2 em,
.section h2 em {
  font-style: italic;
  color: var(--color-primary);
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border-width: 0;
}

/* ── NAVIGATION ── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--color-nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition), transform 0.35s cubic-bezier(0.16,1,0.3,1);
}

.site-header.scrolled {
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.site-header.hidden {
  transform: translateY(-100%);
}

.header-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
  height: 68px;
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
  transition: opacity var(--transition);
}
.logo:hover { opacity: 0.75; }
.logo img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin-left: auto;
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-primary);
  transition: width var(--transition);
}

.nav-links a:hover {
  color: var(--color-text);
}

.nav-links a:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-left: var(--space-4);
}

.theme-toggle {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.theme-toggle:hover {
  color: var(--color-text);
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-5);
  background: var(--color-primary);
  color: white;
  font-size: var(--text-sm);
  font-weight: 600;
  font-family: var(--font-body);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  color: white;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  margin-left: auto;
  color: var(--color-text);
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

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

.mobile-nav nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
}

.mobile-nav-link {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition);
}

.mobile-nav-link:hover { color: var(--color-primary); }

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: 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 30%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(10, 14, 20, 0.95) 0%,
    rgba(10, 14, 20, 0.5) 50%,
    rgba(10, 14, 20, 0.2) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 0 clamp(var(--space-6), 5vw, var(--space-16));
  padding-bottom: clamp(var(--space-16), 8vw, var(--space-24));
  max-width: var(--content-wide);
  margin-inline: auto;
  width: 100%;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.06em;
  margin-bottom: var(--space-6);
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  box-shadow: 0 0 8px var(--color-primary);
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 400;
  line-height: 0.95;
  color: #ffffff;
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}

.hero-title em {
  font-style: italic;
  color: rgba(255,255,255,0.7);
}

.hero-sub {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 300;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-16);
}

.hero-scroll {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 500;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-scroll svg { color: rgba(255,255,255,0.4); }

@keyframes scrollDot {
  0% { transform: translateY(0); opacity: 1; }
  80% { transform: translateY(8px); opacity: 0; }
  81% { transform: translateY(0); opacity: 0; }
  100% { transform: translateY(0); opacity: 1; }
}

.scroll-dot { animation: scrollDot 2s ease-in-out infinite; }

/* ── ABOUT ── */
.about-section {
  background: var(--color-bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-16);
  align-items: start;
}

.about-text h2 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-8);
}

.about-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

.about-body p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 60ch;
}

.about-body strong {
  color: var(--color-text);
  font-weight: 600;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.about-tags span {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  border-radius: var(--radius-full);
}

.about-photo-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: sticky;
  top: 90px;
}

.photo-card {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.photo-card.photo-primary {
  aspect-ratio: 3/4;
}

.photo-card.photo-secondary {
  aspect-ratio: 16/9;
}

.photo-card img,
.photo-card video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ── WORK TIMELINE ── */
.work-section {
  background: var(--color-surface);
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.timeline-item {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 0 var(--space-6);
}

.timeline-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: var(--space-1);
}

.timeline-dot {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-border);
  background: var(--color-bg);
  flex-shrink: 0;
  transition: border-color var(--transition);
}

.timeline-dot.current {
  border-color: var(--color-primary);
  background: var(--color-primary);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-primary) 20%, transparent);
}

.timeline-line {
  width: 1.5px;
  flex: 1;
  background: var(--color-divider);
  margin-block: var(--space-2);
  min-height: var(--space-8);
}

.timeline-content {
  padding-bottom: var(--space-12);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}

.timeline-content h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
}

.timeline-org {
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: 500;
  margin-top: var(--space-1);
}

.timeline-date {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-text-faint);
  white-space: nowrap;
  padding-top: var(--space-1);
}

.timeline-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 65ch;
  margin-bottom: var(--space-4);
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.timeline-tags span {
  font-size: var(--text-xs);
  font-weight: 500;
  padding: 3px var(--space-3);
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
}

/* ── ADVENTURES ── */
.adventures-section {
  position: relative;
  padding-block: clamp(var(--space-20), 12vw, var(--space-32));
  overflow: hidden;
}

.adventures-full-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.adventures-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.adventures-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(8, 12, 20, 0.92) 0%,
    rgba(8, 12, 20, 0.85) 50%,
    rgba(8, 12, 20, 0.88) 100%
  );
}

.adventures-section .container {
  position: relative;
  z-index: 1;
}

.adventures-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: #ffffff;
  margin-bottom: var(--space-12);
}

.adventures-title em {
  font-style: italic;
  color: var(--color-gold);
}

.adventures-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-16);
}

.adventure-card {
  padding: var(--space-8);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(8px);
  transition: background var(--transition), border-color var(--transition), transform var(--transition-slow);
}

.adventure-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(63, 168, 181, 0.3);
  transform: translateY(-3px);
}

.adventure-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--color-primary) 15%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
  border: 1px solid color-mix(in srgb, var(--color-primary) 25%, transparent);
}

.adventure-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: #ffffff;
  margin-bottom: var(--space-3);
}

.adventure-card p {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
}

/* Photo grid */
.photo-grid-section {
  margin-top: var(--space-16);
}

.photo-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.photo-grid-item {
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/3;
  border: 1px solid rgba(255,255,255,0.1);
}

.photo-grid-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.photo-grid-left,
.photo-grid-right {
  min-width: 0;
}

.photo-grid-right {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.photo-grid-top-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.photo-grid-bottom-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  align-items: stretch;
}

.photo-grid-mid-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-height: 0;
}

.photo-grid-mid-stack .photo-grid-boat,
.photo-grid-mid-stack .photo-grid-food {
  flex: 1 1 auto;
  min-height: 0;
}

.photo-grid-item.large {
  aspect-ratio: 4/3;
}

.photo-grid-item.cooking-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
}

/* Desktop: fixed row height so left column, boat/food stack, and grilling shot share one bottom edge */
@media (min-width: 901px) {
  .photo-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr;
    align-items: stretch;
    gap: var(--space-3);
    width: 100%;
    aspect-ratio: 5 / 3;
    min-height: 0;
  }

  .photo-grid-left {
    height: 100%;
    min-height: 0;
    display: flex;
    flex-direction: column;
  }

  .photo-grid-left .photo-grid-item.large {
    flex: 1 1 auto;
    height: 100%;
    min-height: 0;
    aspect-ratio: unset;
  }

  .photo-grid-left .photo-grid-item.large img {
    height: 100%;
    min-height: 0;
  }

  .photo-grid-right {
    height: 100%;
    min-height: 0;
  }

  .photo-grid-top-row {
    flex: 0 0 auto;
    display: flex;
    flex-direction: row;
    gap: var(--space-3);
  }

  .photo-grid-top-row .photo-grid-item {
    flex: 1 1 0;
    min-width: 0;
    aspect-ratio: 4/3;
  }

  .photo-grid-bottom-row {
    flex: 1 1 0;
    display: flex;
    flex-direction: row;
    align-items: stretch;
    gap: var(--space-3);
    min-height: 0;
  }

  .photo-grid-mid-stack {
    flex: 1 1 0;
    min-width: 0;
    min-height: 0;
  }

  .photo-grid-mid-stack .photo-grid-boat,
  .photo-grid-mid-stack .photo-grid-food {
    flex: 1 1 0;
    min-height: 0;
    aspect-ratio: unset;
  }

  .photo-grid-bottom-row .photo-grid-item.cooking-photo {
    flex: 1 1 0;
    min-width: 0;
    min-height: 0;
    aspect-ratio: unset;
  }
}

/* ── INTERESTS ── */
.interests-section {
  background: var(--color-bg);
}

.interests-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-16);
  align-items: start;
}

.interests-left h2 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-6);
}

.interests-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 42ch;
}

.interests-right {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  padding-top: var(--space-3);
}

.interest-item {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: var(--space-5);
  align-items: start;
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-divider);
}

.interest-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.interest-num {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  padding-top: 2px;
  font-style: italic;
}

.interest-item h4 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.interest-item p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 52ch;
}

/* ── CONTACT ── */
.contact-section {
  background: var(--color-surface);
}

.contact-inner {
  max-width: 680px;
}

.contact-inner h2 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-5);
}

.contact-sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 55ch;
  margin-bottom: var(--space-10);
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  transition: border-color var(--transition), color var(--transition), background var(--transition), transform var(--transition);
}

.contact-link:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
  transform: translateY(-2px);
}

/* ── FOOTER ── */
.site-footer {
  background: var(--color-bg);
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-divider);
}

.footer-inner {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.footer-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
}

.footer-loc {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer-attr {
  margin-left: auto;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-attr:hover {
  color: var(--color-primary);
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-photo-col {
    position: static;
    flex-direction: row;
  }

  .photo-card.photo-primary {
    aspect-ratio: 1;
    flex: 1;
  }

  .photo-card.photo-secondary {
    display: none;
  }

  .adventures-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .interests-left h2 {
    margin-bottom: var(--space-4);
  }

  .photo-grid {
    aspect-ratio: unset;
    display: flex;
    flex-direction: column;
    grid-template-columns: unset;
    grid-template-rows: unset;
  }

  .photo-grid-left .photo-grid-item.large {
    aspect-ratio: 16 / 9;
  }

  .photo-grid-right {
    height: auto;
  }

  .photo-grid-top-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }

  .photo-grid-bottom-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
    flex: unset;
    min-height: unset;
  }

  .photo-grid-mid-stack .photo-grid-boat,
  .photo-grid-mid-stack .photo-grid-food {
    flex: unset;
    aspect-ratio: 4 / 3;
  }

  .photo-grid-item.cooking-photo {
    aspect-ratio: 1 / 2;
  }
}

@media (max-width: 640px) {
  .nav-links, .header-actions { display: none; }
  .nav-toggle { display: flex; }

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

  .photo-grid-top-row {
    grid-template-columns: 1fr;
  }

  .photo-grid-bottom-row {
    grid-template-columns: 1fr;
  }

  .photo-grid-mid-stack {
    display: contents;
  }

  .photo-grid-item.cooking-photo {
    aspect-ratio: 1 / 2;
  }

  .contact-links {
    flex-direction: column;
    align-items: flex-start;
  }

  .timeline-header {
    flex-direction: column;
  }
}

/* ── SCROLL REVEAL ANIMATIONS ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ── WRITING & PUBLICATIONS ── */
.writing-section {
  background: var(--color-surface);
}

.writing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.writing-card {
  display: block;
  text-decoration: none;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition-slow), box-shadow var(--transition-slow);
}

.writing-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.writing-card-inner {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  height: 100%;
}

.writing-tag {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.writing-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.3;
  flex: 1;
}

.writing-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.writing-link {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.04em;
  margin-top: var(--space-2);
}

@media (max-width: 900px) {
  .writing-grid {
    grid-template-columns: 1fr;
  }
}

/* ── PAGE-WISE SCROLL SNAP ── */

html {
  scroll-snap-type: y mandatory;
  overflow-x: hidden;
  overflow-y: scroll; /* single scrollable root */
}

body {
  min-height: 100dvh;
  overflow-x: hidden;
}

/* Every section and the footer are self-contained stacking contexts
   so backgrounds/overlays never bleed into neighbouring sections */
section,
.site-footer {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

/* Absolute background layers stay inside their own section */
.hero-bg,
.adventures-full-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

/* Foreground content sits above background layers */
.hero-content,
.adventures-section .container {
  position: relative;
  z-index: 1;
}

/* Snap behaviour */
.hero,
.about-section,
.work-section,
.adventures-section,
.interests-section,
.writing-section,
.contact-section {
  scroll-snap-align: start;
  scroll-snap-stop: always;
  min-height: 100dvh;
}

/* Hero is exactly one viewport tall */
.hero {
  max-height: 100dvh;
}

/* Work + writing are taller than viewport — let them scroll through freely */
.work-section,
.writing-section {
  min-height: 100dvh;
  height: auto;
  scroll-snap-stop: normal;
}

/* Footer snaps into view and always sits on top */
.site-footer {
  scroll-snap-align: start;
  z-index: 10;
  overflow: visible; /* override the section rule so footer content isn’t clipped */
  isolation: auto;
}

/* section-label must never be clipped */
.section-label {
  overflow: visible !important;
  white-space: nowrap;
}