/* ===========================================
   Top Bunk Ventures
   Warm, playful, with engineering chops
   =========================================== */

:root {
  --ink: #1a1814;
  --ink-soft: #3a342c;
  --paper: #f5ecdb;
  --paper-warm: #efe2c8;
  --paper-dim: #e6d6b8;
  --rust: #c8462f;
  --rust-deep: #a83820;
  --moss: #4a5d3a;
  --moss-deep: #364729;
  --gold: #d4a64a;
  --gold-soft: #e6c474;
  --line: rgba(26, 24, 20, 0.14);
  --shadow-warm: 0 20px 60px -20px rgba(168, 56, 32, 0.18);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'Inter Tight', -apple-system, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  overflow-x: hidden;
  background-image:
    radial-gradient(circle at 15% 5%, rgba(212, 166, 74, 0.10), transparent 40%),
    radial-gradient(circle at 85% 50%, rgba(74, 93, 58, 0.06), transparent 50%),
    radial-gradient(circle at 50% 100%, rgba(200, 70, 47, 0.05), transparent 60%);
  min-height: 100vh;
}

/* Subtle grain */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  opacity: 0.5;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.1 0 0 0 0 0.09 0 0 0 0 0.06 0 0 0 0.18 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ===== Typography ===== */
h1, h2, h3 { font-family: 'Fraunces', Georgia, serif; font-weight: 600; letter-spacing: -0.02em; }

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

/* ===== Nav ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px clamp(20px, 4vw, 56px);
  background: rgba(245, 236, 219, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
}

.logo-mark {
  font-size: 20px;
  color: var(--rust);
  line-height: 1;
  display: inline-block;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.nav-logo:hover .logo-mark {
  transform: rotate(90deg) scale(1.1);
}

.logo-text-inline {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.02em;
  line-height: 1;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  text-decoration: none;
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--rust); }

.nav-cta {
  background: var(--ink);
  color: var(--paper) !important;
  padding: 10px 18px;
  border-radius: 999px;
  transition: all 0.2s !important;
}
.nav-cta:hover {
  background: var(--rust) !important;
  color: var(--paper) !important;
  transform: translateY(-1px);
}

@media (max-width: 720px) {
  .nav-links a:not(.nav-cta) { display: none; }
}

/* ===== Hero ===== */
.hero {
  padding: clamp(40px, 6vw, 80px) clamp(20px, 4vw, 56px) 0;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
  padding-bottom: 80px;
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: 8px 14px;
  background: var(--paper-warm);
  border-radius: 999px;
  border: 1px solid var(--line);
  margin-bottom: 28px;
  animation: fadeUp 0.6s ease-out;
}
.eyebrow-dot {
  width: 8px;
  height: 8px;
  background: var(--moss);
  border-radius: 50%;
  position: relative;
}
.eyebrow-dot::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: var(--moss);
  opacity: 0.4;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.4; }
  50% { transform: scale(1.6); opacity: 0; }
}

.hero-title {
  font-size: clamp(48px, 7vw, 92px);
  line-height: 0.98;
  letter-spacing: -0.035em;
  margin-bottom: 28px;
  animation: fadeUp 0.7s ease-out 0.1s backwards;
}

.hero-italic {
  font-style: italic;
  font-weight: 400;
  color: var(--rust);
  position: relative;
  display: inline-block;
}
.hero-italic::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: -4px;
  right: -4px;
  height: 8px;
  background: var(--gold);
  z-index: -1;
  opacity: 0.5;
  transform: skew(-8deg);
}

.hero-sub {
  font-size: clamp(17px, 1.4vw, 20px);
  color: var(--ink-soft);
  max-width: 540px;
  margin-bottom: 36px;
  line-height: 1.5;
  animation: fadeUp 0.7s ease-out 0.2s backwards;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  animation: fadeUp 0.7s ease-out 0.3s backwards;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1.5px solid transparent;
}
.btn-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:hover {
  background: var(--rust);
  transform: translateY(-2px);
  box-shadow: var(--shadow-warm);
}
.btn-primary:hover svg { transform: translateX(3px); }
.btn-primary svg { transition: transform 0.25s; }

.btn-ghost {
  color: var(--ink);
  border-color: var(--ink);
}
.btn-ghost:hover {
  background: var(--ink);
  color: var(--paper);
}

/* Hero illustration */
.hero-art {
  display: flex;
  justify-content: center;
  align-items: center;
}
.bunk-illustration {
  width: 100%;
  max-width: 460px;
  height: auto;
  filter: drop-shadow(0 25px 35px rgba(168, 56, 32, 0.15));
  animation: floatGentle 6s ease-in-out infinite;
}

@keyframes floatGentle {
  0%, 100% { transform: translateY(0) rotate(0); }
  50% { transform: translateY(-8px) rotate(-0.5deg); }
}

.floating-moon {
  transform-origin: 80px 30px;
  animation: gentleSwing 5s ease-in-out infinite;
}
.floating-stars path {
  animation: twinkle 3s ease-in-out infinite;
}
.floating-stars path:nth-child(2) { animation-delay: 1s; }
.floating-stars path:nth-child(3) { animation-delay: 2s; }

@keyframes gentleSwing {
  0%, 100% { transform: rotate(-3deg); }
  50% { transform: rotate(3deg); }
}
@keyframes twinkle {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.up-here-label text {
  font-size: 13px;
  opacity: 0.7;
}

/* Marquee */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper-warm);
  padding: 18px 0;
  overflow: hidden;
  margin: 0 calc(-1 * clamp(20px, 4vw, 56px));
}
.marquee-track {
  display: flex;
  align-items: center;
  gap: 36px;
  white-space: nowrap;
  animation: scroll 40s linear infinite;
  width: max-content;
}
.marquee-item {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: clamp(20px, 2.5vw, 30px);
  font-weight: 500;
  color: var(--ink);
}
.marquee-dot {
  color: var(--rust);
  font-size: 18px;
}

@keyframes scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ===== Sections ===== */
.section {
  padding: clamp(80px, 10vw, 140px) clamp(20px, 4vw, 56px);
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
}

.section-dark {
  background: var(--ink);
  color: var(--paper);
  max-width: none;
  margin: 0;
}
.section-dark .section-num { color: var(--gold); }
.section-dark::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 30% 20%, rgba(212, 166, 74, 0.08), transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(200, 70, 47, 0.08), transparent 50%);
  pointer-events: none;
}

.section-header {
  max-width: 720px;
  margin-bottom: 80px;
  position: relative;
  z-index: 1;
}

.section-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.15em;
  color: var(--rust);
  display: block;
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(40px, 6vw, 76px);
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.section-lede {
  font-size: clamp(18px, 1.4vw, 22px);
  color: var(--ink-soft);
  max-width: 600px;
  line-height: 1.5;
}
.section-dark .section-lede {
  color: rgba(245, 236, 219, 0.7);
}

/* ===== Services ===== */
.services {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}

@media (max-width: 760px) {
  .services { grid-template-columns: 1fr; }
}

.service-card {
  background: var(--paper-warm);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 40px;
  position: relative;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--rust);
  transform: translateY(-4px);
  transition: transform 0.3s;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-warm);
  border-color: var(--rust);
}
.service-card:hover::before {
  transform: translateY(0);
}
.service-card:nth-child(2)::before { background: var(--moss); }
.service-card:nth-child(2):hover { border-color: var(--moss); }
.service-card:nth-child(3)::before { background: var(--gold); }
.service-card:nth-child(3):hover { border-color: var(--gold); }
.service-card:nth-child(4)::before { background: var(--ink); }

.service-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}

.service-title {
  font-size: clamp(24px, 2.5vw, 32px);
  margin-bottom: 16px;
  line-height: 1.1;
}

.service-desc {
  color: var(--ink-soft);
  margin-bottom: 24px;
  line-height: 1.55;
}

.service-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.service-tags li {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 6px 12px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink-soft);
}

/* ===== Ladder (How we work) ===== */
.ladder {
  max-width: 820px;
  margin: 0 auto;
  position: relative;
  padding-left: 120px;
  z-index: 1;
}

@media (max-width: 640px) {
  .ladder { padding-left: 90px; }
}

/* Ladder rails */
.ladder::before,
.ladder::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 5px;
  background: var(--gold);
  border-radius: 2px;
}
.ladder::before { left: 20px; }
.ladder::after { left: 90px; }

@media (max-width: 640px) {
  .ladder::before { left: 12px; }
  .ladder::after { left: 66px; }
}

.rung {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  padding: 32px 0;
  position: relative;
}

/* Ladder rung crossbar */
.rung::before {
  content: '';
  position: absolute;
  left: -95px;
  top: 50px;
  width: 70px;
  height: 5px;
  background: var(--gold);
  border-radius: 2px;
}

@media (max-width: 640px) {
  .rung::before { left: -73px; width: 54px; }
}

.rung-num {
  font-family: 'Fraunces', serif;
  font-size: 56px;
  font-weight: 800;
  font-style: italic;
  color: var(--gold);
  line-height: 1;
  width: 60px;
  flex-shrink: 0;
}

.rung-content h3 {
  font-size: clamp(24px, 2.5vw, 30px);
  color: var(--paper);
  margin-bottom: 10px;
  line-height: 1.15;
}
.rung-content p {
  color: rgba(245, 236, 219, 0.7);
  line-height: 1.55;
  max-width: 560px;
}

/* ===== Story ===== */
.section-story {
  background: var(--paper-warm);
  max-width: none;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.story-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 80px;
  max-width: 1400px;
  margin: 0 auto;
  align-items: start;
}

@media (max-width: 880px) {
  .story-grid { grid-template-columns: 1fr; gap: 32px; }
}

.story-side {
  position: sticky;
  top: 120px;
}

.story-content p {
  font-size: clamp(18px, 1.4vw, 22px);
  line-height: 1.55;
  margin-bottom: 24px;
  color: var(--ink-soft);
}

.story-lead {
  font-family: 'Fraunces', serif !important;
  font-style: italic !important;
  font-size: clamp(28px, 3vw, 40px) !important;
  font-weight: 500 !important;
  color: var(--ink) !important;
  line-height: 1.2 !important;
  margin-bottom: 32px !important;
}

.story-content em {
  font-family: 'Fraunces', serif;
  font-style: italic;
  color: var(--rust);
  font-weight: 500;
}

.story-sig {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.sig-line {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
}

/* ===== Contact ===== */
.section-contact {
  text-align: center;
  padding-top: clamp(100px, 12vw, 160px);
  padding-bottom: clamp(100px, 12vw, 160px);
}

.contact-inner {
  max-width: 720px;
  margin: 0 auto;
}

.contact-title {
  font-size: clamp(48px, 7vw, 96px);
  line-height: 0.98;
  letter-spacing: -0.035em;
  margin: 24px 0 24px;
}

.contact-sub {
  font-size: clamp(17px, 1.3vw, 20px);
  color: var(--ink-soft);
  margin-bottom: 48px;
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: 'Fraunces', serif;
  font-size: clamp(22px, 3vw, 36px);
  font-weight: 500;
  font-style: italic;
  color: var(--ink);
  text-decoration: none;
  padding: 18px 32px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: var(--paper);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.contact-email::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--rust);
  transform: translateY(100%);
  transition: transform 0.3s;
  z-index: -1;
}
.contact-email:hover {
  color: var(--paper);
  border-color: var(--rust);
  transform: translateY(-2px);
  box-shadow: var(--shadow-warm);
}
.contact-email:hover::before {
  transform: translateY(0);
}
.contact-email svg { transition: transform 0.3s; }
.contact-email:hover svg { transform: translateX(4px); }

.contact-meta {
  margin-top: 36px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* ===== Footer ===== */
.footer {
  background: var(--ink);
  color: var(--paper);
  padding: 32px clamp(20px, 4vw, 56px);
  border-top: 1px solid rgba(245, 236, 219, 0.1);
}
.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 16px;
}
.footer-mark {
  color: var(--gold);
  font-size: 18px;
}
.footer-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(245, 236, 219, 0.6);
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.dot { opacity: 0.5; }