/* ====================================================
   Ansaf Nagori - Portfolio
   A calm, editorial-style personal site.
   ==================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,500&family=Inter:wght@400;500;600&display=swap');

:root {
  --bg: #f8f1e4;
  --bg-alt: #eee0c8;
  --panel: #fffbf3;
  --ink: #2b2925;
  --ink-soft: #5b5850;
  --ink-faint: #8c8879;
  --line: #e3d5b8;
  --accent: #4c6b52;
  --accent-soft: #82a184;
  --accent-wash: #e1ead9;
  --terracotta: #c1613c;
  --terracotta-wash: #f5ddc7;
  --max: 1080px;
  --radius: 14px;
  --shadow: 0 20px 60px -30px rgba(43, 41, 37, 0.35);
  --wash:
    radial-gradient(ellipse 900px 620px at 8% -8%, rgba(76, 107, 82, 0.16), transparent 62%),
    radial-gradient(ellipse 800px 600px at 100% 12%, rgba(193, 97, 60, 0.14), transparent 60%),
    radial-gradient(ellipse 1000px 700px at 50% 105%, rgba(76, 107, 82, 0.1), transparent 65%);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1d1b16;
    --bg-alt: #262119;
    --panel: #26221c;
    --ink: #f1ead9;
    --ink-soft: #c2b9a4;
    --ink-faint: #928a76;
    --line: #3b3527;
    --accent: #a3c19f;
    --accent-soft: #7c9178;
    --accent-wash: #2a3327;
    --terracotta: #e2996a;
    --terracotta-wash: #3a2a1c;
    --shadow: 0 20px 60px -30px rgba(0, 0, 0, 0.6);
    --wash:
      radial-gradient(ellipse 900px 620px at 8% -8%, rgba(163, 193, 159, 0.1), transparent 62%),
      radial-gradient(ellipse 800px 600px at 100% 12%, rgba(226, 153, 106, 0.09), transparent 60%),
      radial-gradient(ellipse 1000px 700px at 50% 105%, rgba(163, 193, 159, 0.07), transparent 65%);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--wash), var(--bg);
  background-attachment: fixed;
  color: var(--ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 500;
  line-height: 1.15;
  margin: 0 0 0.5em;
  color: var(--ink);
}

h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); font-weight: 500; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.3rem); }
h3 { font-size: 1.25rem; font-weight: 600; font-family: 'Inter', sans-serif; }

p { margin: 0 0 1em; color: var(--ink-soft); }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--terracotta); }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}

section { padding: 108px 0; }
section.tight { padding: 72px 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: '';
  width: 22px;
  height: 1px;
  background: var(--accent);
}

/* -------------------- Header -------------------- */

#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(248, 241, 228, 0.94);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}
@media (prefers-color-scheme: dark) {
  #site-header { background: rgba(29, 27, 22, 0.94); }
}
#site-header.scrolled { border-bottom-color: var(--line); }

.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: 'Fraunces', serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.logo:hover { color: var(--ink); }

nav#primary-nav ul {
  list-style: none;
  display: flex;
  gap: 34px;
  margin: 0;
  padding: 0;
}
nav#primary-nav a {
  color: var(--ink-soft);
  font-size: 0.94rem;
  font-weight: 500;
}
nav#primary-nav a:hover { color: var(--accent); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: '';
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  position: relative;
  transition: all 0.2s ease;
}
.nav-toggle span::before { position: absolute; top: -7px; }
.nav-toggle span::after { position: absolute; top: 7px; }

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .logo { font-size: 0.98rem; }
  nav#primary-nav {
    position: fixed;
    top: 60px; left: 0; right: 0;
    background: var(--panel);
    border-bottom: 1px solid var(--line);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  nav#primary-nav.open { max-height: 320px; }
  nav#primary-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 8px 28px 20px;
  }
  nav#primary-nav li { border-bottom: 1px solid var(--line); }
  nav#primary-nav a { display: block; padding: 14px 0; }
}

/* -------------------- Hero -------------------- */

#hero {
  padding: 168px 0 100px;
  position: relative;
  overflow: hidden;
}
#hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -240px;
  width: 640px; height: 640px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-wash) 0%, transparent 68%);
  z-index: 0;
}
#hero::after {
  content: '';
  position: absolute;
  bottom: -160px; left: -180px;
  width: 480px; height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--terracotta-wash) 0%, transparent 70%);
  z-index: 0;
  opacity: 0.8;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 64px;
  align-items: center;
}

.hero-kicker {
  font-size: 0.9rem;
  color: var(--terracotta);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

#hero p.lede {
  font-size: 1.18rem;
  max-width: 46ch;
  margin-top: 20px;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}
.chip {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink-soft);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: 999px;
}

.hero-portrait {
  position: relative;
  justify-self: center;
}
.hero-portrait img {
  width: 100%;
  max-width: 320px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 50%;
  border: 6px solid var(--panel);
  box-shadow: var(--shadow);
}
.scroll-cue {
  margin-top: 64px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-faint);
  font-size: 0.85rem;
}
.scroll-cue .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: bob 1.8s ease-in-out infinite;
}
@keyframes bob {
  0%, 100% { transform: translateY(0); opacity: 0.5; }
  50% { transform: translateY(6px); opacity: 1; }
}

@media (max-width: 820px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-portrait { order: -1; }
  .hero-portrait img { max-width: 200px; }
}

/* -------------------- About -------------------- */

#about {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.about-grid p { font-size: 1.04rem; }
.pull-quote {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 1.3rem;
  color: var(--ink);
  border-left: 3px solid var(--accent);
  padding-left: 22px;
  margin: 28px 0;
}
@media (max-width: 820px) {
  .about-grid { grid-template-columns: 1fr; gap: 20px; }
}

/* -------------------- What I do -------------------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 48px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.card .icon {
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px;
  background: var(--accent-wash);
  color: var(--accent);
  margin-bottom: 18px;
}
.card .icon svg { width: 22px; height: 22px; }
.card p { font-size: 0.96rem; margin-bottom: 0; }

@media (max-width: 900px) {
  .card-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .card-grid { grid-template-columns: 1fr; }
}

/* -------------------- Architecture / How it works -------------------- */

#work {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.diagram-block {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  padding: 56px 0;
}
.diagram-block:not(:last-child) { border-bottom: 1px solid var(--line); }
.diagram-block.reverse { grid-template-columns: 0.95fr 1.05fr; }
.diagram-block.reverse .diagram-figure { order: 2; }

.diagram-figure {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  background: #0e1512;
  position: relative;
}
.diagram-figure img {
  width: 100%;
  display: block;
  cursor: zoom-in;
  transition: filter 0.25s ease;
}
.diagram-figure:hover img { filter: brightness(0.82); }
.diagram-figure::after {
  content: '\26F6';
  position: absolute;
  top: 14px; right: 14px;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}
.diagram-figure:hover::after { opacity: 1; }

.diagram-text .eyebrow { margin-bottom: 10px; }
.diagram-text h3 { font-family: 'Fraunces', serif; font-size: 1.5rem; font-weight: 500; margin-bottom: 14px; }
.diagram-text p { font-size: 1rem; }
.diagram-text .analogy {
  margin-top: 18px;
  padding: 16px 18px;
  background: var(--terracotta-wash);
  border-radius: 10px;
  font-size: 0.94rem;
  color: var(--ink);
}
.diagram-text .analogy b { color: var(--terracotta); }

@media (max-width: 860px) {
  .diagram-block, .diagram-block.reverse {
    grid-template-columns: 1fr;
  }
  .diagram-block.reverse .diagram-figure { order: 0; }
}

/* -------------------- Skills -------------------- */

.skill-columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 48px;
  margin-top: 40px;
}
.skill-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.skill-row .label {
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--ink);
  min-width: 170px;
}
.skill-row .value {
  font-size: 0.92rem;
  color: var(--ink-soft);
  text-align: right;
}
@media (max-width: 820px) {
  .skill-columns { grid-template-columns: 1fr; }
}

/* -------------------- Beyond work -------------------- */

.interest-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 34px 0 46px;
}
.interest-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink);
}
.interest-pill .em { font-size: 1.05rem; }

.photo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.photo-grid figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  aspect-ratio: 3 / 4;
  box-shadow: var(--shadow);
}
.photo-grid figure:nth-child(1) { grid-row: span 2; aspect-ratio: 3 / 5; }
.photo-grid img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.photo-grid figure:hover img { transform: scale(1.05); }
.photo-grid figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 16px 14px 12px;
  background: linear-gradient(to top, rgba(20,18,14,0.78), transparent);
  color: #f6f3ec;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

@media (max-width: 900px) {
  .photo-grid { grid-template-columns: repeat(2, 1fr); }
  .photo-grid figure:nth-child(1) { grid-row: span 1; aspect-ratio: 3 / 4; }
}

/* -------------------- Contact -------------------- */

#contact { text-align: center; }
#contact .container { max-width: 620px; }
#contact h2 { margin-bottom: 10px; }
#contact > .container > p { margin-bottom: 40px; }

form.contact-form {
  text-align: left;
  display: grid;
  gap: 16px;
}
form.contact-form input,
form.contact-form textarea {
  width: 100%;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  resize: vertical;
}
form.contact-form input:focus,
form.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}
form.contact-form textarea { min-height: 130px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--ink);
  color: var(--bg);
  border: none;
  font-family: 'Inter', sans-serif;
  font-size: 0.98rem;
  font-weight: 600;
  padding: 14px 24px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}
.btn:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }

.social-row {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin-top: 44px;
}
.social-row a {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--ink-soft);
}
.social-row a:hover { border-color: var(--accent); color: var(--accent); }

/* -------------------- Footer -------------------- */

footer#site-footer {
  padding: 32px 0 44px;
  text-align: center;
  color: var(--ink-faint);
  font-size: 0.85rem;
}

/* -------------------- Reveal animation -------------------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* -------------------- Lightbox -------------------- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  background: rgba(14, 13, 11, 0.92);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease;
}
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox img {
  max-width: 92vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: 10px;
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.6);
}
.lightbox-close {
  position: absolute;
  top: 22px;
  right: 26px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.08);
  color: #f6f3ec;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox-close:hover { background: rgba(255, 255, 255, 0.18); }

@media (max-width: 600px) {
  .lightbox { padding: 20px; }
  .lightbox-close { top: 12px; right: 12px; }
}