/* ─────────────────────────────────────────────
   Jake Woollard Portfolio — style.css
   ───────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Figtree:wght@300;400;500&display=swap');

/* ── Custom Properties ── */
:root {
  --bg:           #F9F8F6;
  --bg-subtle:    #F2F0ED;
  --text:         #111111;
  --text-muted:   #888880;
  --text-faint:   #BBBAB6;
  --accent:       #8B6F5E;
  --accent-light: #D4B8AE;
  --border:       #E2E0DC;
  --border-strong:#C8C5BF;

  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'Figtree', system-ui, sans-serif;

  --size-xs:  0.75rem;
  --size-sm:  0.875rem;
  --size-base: 1rem;
  --size-md:  1.125rem;
  --size-lg:  1.375rem;
  --size-xl:  2rem;
  --size-2xl: 2.75rem;
  --size-3xl: 3.5rem;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --max-w: 780px;
  --transition: 0.2s ease;
  --transition-slow: 0.4s ease;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:           #141414;
    --bg-subtle:    #1C1C1C;
    --text:         #EDEDED;
    --text-muted:   #888884;
    --text-faint:   #444440;
    --accent:       #C4917E;
    --accent-light: #5A3F35;
    --border:       #2A2A28;
    --border-strong:#383836;
  }
}

/* ── Reset & Base ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--size-base);
  font-weight: 300;
  line-height: 1.7;
  transition: background-color var(--transition-slow), color var(--transition-slow);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Layout ── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (min-width: 641px) {
  .container {
    padding: 0 var(--space-8);
  }
}

@media (min-width: 1025px) {
  .container {
    padding: 0 var(--space-4);
  }
}

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-6) 0;
  transition: background-color var(--transition), border-color var(--transition);
}

.nav.scrolled {
  background-color: color-mix(in srgb, var(--bg) 92%, transparent);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: var(--space-4) 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.nav-name {
  font-family: var(--font-display);
  font-size: var(--size-md);
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.nav-name:hover {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
  opacity: 0;
  transition: opacity var(--transition);
}

.nav.scrolled .nav-links {
  opacity: 1;
}

.nav-links a {
  font-size: var(--size-sm);
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color var(--transition);
}

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

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-shrink: 0;
}

/* Lock button */
.lock-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: var(--space-2);
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: color var(--transition), background-color var(--transition);
  position: relative;
}

.lock-btn:hover {
  color: var(--text);
  background-color: var(--bg-subtle);
}

.lock-btn svg {
  width: 18px;
  height: 18px;
  transition: transform var(--transition);
}

.lock-btn.unlocked {
  color: var(--accent);
}

/* Password prompt */
.password-prompt {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  padding: var(--space-3) var(--space-4);
  display: none;
  align-items: center;
  gap: var(--space-2);
  box-shadow: 0 4px 16px color-mix(in srgb, #000 12%, transparent);
  white-space: nowrap;
}

.password-prompt.visible {
  display: flex;
}

.password-input {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px; /* never below 16px to prevent iOS zoom */
  padding: var(--space-2) var(--space-3);
  border-radius: 4px;
  width: 160px;
  outline: none;
  transition: border-color var(--transition);
}

.password-input:focus {
  border-color: var(--accent);
}

.password-input.shake {
  animation: shake 0.35s ease;
  border-color: #C0392B;
}

.password-hint {
  font-size: var(--size-xs);
  color: var(--text-muted);
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

/* ── Hero ── */
.hero {
  padding-top: calc(var(--space-32) + var(--space-16));
  padding-bottom: var(--space-32);
}

.hero-eyebrow {
  font-size: var(--size-sm);
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(var(--size-2xl), 7vw, var(--size-3xl));
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: var(--space-6);
}

.hero-role {
  font-size: var(--size-lg);
  color: var(--text-muted);
  font-weight: 300;
  max-width: 52ch;
  line-height: 1.5;
}

.hero-role em {
  font-style: italic;
  color: var(--accent);
  font-family: var(--font-display);
}

/* ── Section structure ── */
section {
  padding: var(--space-24) 0;
  border-top: 1px solid var(--border);
}

.section-label {
  font-size: var(--size-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: var(--space-12);
  font-weight: 400;
}

/* ── Work / Project List ── */
.project-list {
  list-style: none;
}

.project-row {
  border-bottom: 1px solid var(--border);
}

.project-row:first-child {
  border-top: 1px solid var(--border);
}

.project-link {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  column-gap: var(--space-6);
  align-items: start;
  padding: var(--space-6) 0;
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
  position: relative;
}

.project-link:hover {
  color: var(--text);
}

.project-link:hover .project-arrow {
  transform: translateX(4px);
  color: var(--accent);
}

.project-link:hover .project-title {
  color: var(--accent);
}

.project-title {
  font-family: var(--font-display);
  font-size: var(--size-lg);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
  transition: color var(--transition);
  grid-column: 1;
  grid-row: 1;
}

.project-meta {
  font-size: var(--size-xs);
  color: var(--text-muted);
  letter-spacing: 0.03em;
  white-space: nowrap;
  grid-column: 2;
  grid-row: 1;
  padding-top: 0.2em;
  text-align: right;
}

.project-desc {
  font-size: var(--size-sm);
  color: var(--text-muted);
  grid-column: 1;
  grid-row: 2;
  margin-top: var(--space-2);
  max-width: 56ch;
}

.project-arrow {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-faint);
  transition: transform var(--transition), color var(--transition);
  font-size: var(--size-md);
  line-height: 1;
}

/* Mobile reflow */
@media (max-width: 640px) {
  .project-link {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
  }

  .project-meta {
    grid-column: 1;
    grid-row: 3;
    text-align: left;
    margin-top: var(--space-2);
  }

  .project-arrow {
    display: none;
  }

  .project-link::after {
    content: '→';
    font-size: var(--size-sm);
    color: var(--text-faint);
    margin-top: var(--space-2);
    display: block;
  }
}

/* ── Private projects ── */
.project-private .project-link {
  pointer-events: none;
  cursor: default;
}

.project-private .project-link > * {
  filter: blur(5px);
  transition: filter var(--transition-slow);
  user-select: none;
}

.project-private .project-arrow {
  display: none;
}

.project-private::after {
  content: none;
}

.private-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--size-xs);
  color: var(--text-muted);
  letter-spacing: 0.04em;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition);
}

.project-private .private-overlay {
  opacity: 1;
}

.private-overlay svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
}

.project-row.project-private {
  position: relative;
}

/* Unlocked state */
body.unlocked .project-private .project-link {
  pointer-events: auto;
  cursor: pointer;
}

body.unlocked .project-private .project-link > * {
  filter: blur(0);
}

body.unlocked .project-private .private-overlay {
  opacity: 0;
}

body.unlocked .project-private .project-link:hover .project-arrow {
  display: block;
}

/* ── About ── */
.about-body {
  max-width: 58ch;
}

.about-body p {
  color: var(--text-muted);
  margin-bottom: var(--space-6);
  font-size: var(--size-md);
  line-height: 1.75;
}

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

.about-body strong {
  color: var(--text);
  font-weight: 500;
}

/* ── Contact ── */
#contact {
  padding-bottom: var(--space-32);
}

.contact-line {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-8);
  align-items: center;
}

.contact-link {
  font-family: var(--font-display);
  font-size: var(--size-lg);
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 2px;
  transition: color var(--transition), border-color var(--transition);
}

.contact-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.contact-sep {
  color: var(--text-faint);
  font-size: var(--size-sm);
}

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: var(--space-8) 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

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

/* ── Page fade-in ── */
.fade-in {
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp 0.6s ease forwards;
}

.fade-in:nth-child(1) { animation-delay: 0.05s; }
.fade-in:nth-child(2) { animation-delay: 0.12s; }
.fade-in:nth-child(3) { animation-delay: 0.18s; }
.fade-in:nth-child(4) { animation-delay: 0.24s; }

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

/* ── Case Study Pages ── */
.case-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-6) 0;
  background-color: color-mix(in srgb, var(--bg) 92%, transparent);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.case-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.back-link {
  font-size: var(--size-sm);
  color: var(--text-muted);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  letter-spacing: 0.02em;
  transition: color var(--transition);
  min-height: 44px;
  padding: var(--space-2) 0;
}

.back-link:hover {
  color: var(--text);
}

.back-link::before {
  content: '←';
}

.case-study {
  padding-top: calc(var(--space-32) + var(--space-8));
  padding-bottom: var(--space-32);
}

.case-header {
  margin-bottom: var(--space-16);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid var(--border);
}

.case-category {
  font-size: var(--size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-4);
  font-weight: 400;
}

.case-title {
  font-family: var(--font-display);
  font-size: clamp(var(--size-xl), 5vw, var(--size-3xl));
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.case-subtitle {
  font-size: var(--size-md);
  color: var(--text-muted);
  max-width: 52ch;
}

/* Case body sections */
.case-body {
  max-width: 62ch;
}

.case-section {
  margin-bottom: var(--space-16);
}

.case-section-label {
  font-size: var(--size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: var(--space-6);
  font-weight: 400;
}

.case-section h2 {
  font-family: var(--font-display);
  font-size: var(--size-xl);
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-6);
  color: var(--text);
}

.case-section p {
  color: var(--text-muted);
  margin-bottom: var(--space-4);
  font-size: var(--size-md);
  line-height: 1.75;
}

.case-section p:last-child {
  margin-bottom: 0;
}

.case-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: var(--space-16) 0;
}

/* Next project nav */
.case-footer {
  margin-top: var(--space-24);
  padding-top: var(--space-12);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
}

.next-link {
  font-family: var(--font-display);
  font-size: var(--size-lg);
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  transition: color var(--transition), gap var(--transition);
}

.next-link:hover {
  color: var(--accent);
  gap: var(--space-4);
}

/* Private case study lock */
.case-locked {
  text-align: center;
  padding: var(--space-32) 0;
}

.case-locked svg {
  width: 32px;
  height: 32px;
  color: var(--text-faint);
  margin-bottom: var(--space-6);
}

.case-locked p {
  color: var(--text-muted);
  font-size: var(--size-sm);
  margin-bottom: var(--space-4);
}

.case-locked a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent-light);
}

/* ── Utility ── */
.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;
}