@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500;9..40,600&family=JetBrains+Mono:wght@400;500&display=swap');

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

:root {
  --ink: #0f0f0f;
  --paper: #f5f2eb;
  --accent: #c84b2f;
  --accent2: #1a3a5c;
  --mid: #6b6459;
  --rule: #d4cfc6;
  --white: #ffffff;
  --mono: 'JetBrains Mono', monospace;
  --serif: 'DM Serif Display', serif;
  --sans: 'DM Sans', sans-serif;
}

html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 4rem;
  background: rgba(245,242,235,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}
.nav-logo {
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--ink);
  text-decoration: none;
}
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; gap: 2.5rem; list-style: none; align-items: center; }
.nav-links a {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mid);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent); }
.nav-links a.active { background: #1a1a18; color: #f5f0e8 !important; padding: 0.3em 0.92em; border-radius: 5px; font-weight: 600; box-shadow: 0 1px 8px rgba(26,26,24,0.18); }
.nav-cta {
  background: var(--accent) !important;
  color: white !important;
  padding: 0.5rem 1.3rem;
  border-radius: 2px;
}
.nav-cta:hover { background: var(--ink) !important; }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--ink); transition: all 0.3s; }

/* ── SECTIONS ── */
.section { padding: 6rem 4rem; }
.section-sm { padding: 4rem 4rem; }
.section-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
  display: flex; align-items: center; gap: 0.75rem;
}
.section-label::before { content: ''; display: block; width: 1.5rem; height: 1px; background: var(--accent); }
.section-heading {
  font-family: var(--serif);
  font-size: clamp(2rem, 3vw, 2.8rem);
  line-height: 1.15;
  margin-bottom: 3rem;
}

/* ── BUTTONS ── */
.btn-primary {
  background: var(--ink);
  color: var(--paper);
  padding: 0.85rem 2rem;
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: background 0.2s;
}
.btn-primary:hover { background: var(--accent); }
.btn-secondary {
  color: var(--ink);
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1.5px solid var(--ink);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}
.btn-secondary:hover { color: var(--accent); border-color: var(--accent); }
.btn-light {
  background: var(--paper);
  color: var(--ink);
  padding: 0.85rem 2rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  display: inline-block;
  transition: all 0.2s;
}
.btn-light:hover { background: var(--accent); color: white; }

/* ── ID MODEL SELECTOR BUTTON ── */
.btn-tool {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--accent2);
  color: var(--white) !important;
  padding: 0.85rem 2rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none !important;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-tool:hover {
  background: var(--ink);
  color: var(--white) !important;
  text-decoration: none !important;
}
.hero-tool {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.25rem;
}
.hero-tool-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mid);
}

/* ── AVAILABLE BADGE ── */
.available-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #2d7a3a;
  background: #e8f5ea;
  border: 1px solid #b5d9b9;
  padding: 0.35rem 0.9rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}
.available-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #2d7a3a;
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.35} }

/* ── TAGS ── */
.tag {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.28rem 0.65rem;
  background: var(--rule);
  color: var(--mid);
  border-radius: 2px;
  white-space: nowrap;
}

/* ── MARQUEE ── */
.marquee-wrap {
  overflow: hidden;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 0.9rem 0;
  background: var(--ink);
}
.marquee-track {
  display: flex;
  gap: 0;
  animation: marquee 30s linear infinite;
  white-space: nowrap;
  width: max-content;
}
.marquee-item {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  padding: 0 1.5rem;
}
.marquee-dot { color: var(--accent) !important; padding: 0 0.5rem; }
@keyframes marquee { from{transform:translateX(0)} to{transform:translateX(-50%)} }

/* ── CTA STRIP ── */
.cta-strip {
  background: var(--ink);
  padding: 5rem 4rem;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 2rem;
}
.cta-strip h2 {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 2.5vw, 2.3rem);
  color: white;
  line-height: 1.25;
}
.cta-strip h2 em { font-style: italic; color: var(--accent); }

/* ── FOOTER ── */
footer {
  padding: 2.5rem 4rem;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-name { font-family: var(--mono); font-size: 0.75rem; color: var(--mid); }
.footer-links { display: flex; gap: 2rem; list-style: none; }
.footer-links a { font-size: 0.8rem; color: var(--mid); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--accent); }

/* ── PAGE HERO (inner pages) ── */
.page-hero {
  padding: 10rem 4rem 5rem;
  border-bottom: 1px solid var(--rule);
}
.page-hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 4vw, 4rem);
  line-height: 1.1;
  max-width: 18ch;
}
.page-hero p {
  margin-top: 1.5rem;
  font-size: 1.05rem;
  color: var(--mid);
  max-width: 55ch;
  font-weight: 300;
}

/* ── FADE IN ── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeIn 0.7s ease forwards;
}
.fade-in:nth-child(1){animation-delay:0.05s}
.fade-in:nth-child(2){animation-delay:0.18s}
.fade-in:nth-child(3){animation-delay:0.31s}
.fade-in:nth-child(4){animation-delay:0.44s}
.fade-in:nth-child(5){animation-delay:0.57s}
@keyframes fadeIn { to{opacity:1;transform:translateY(0)} }

/* ── RESPONSIVE ── */
@media(max-width:900px){
  nav { padding: 1rem 1.5rem; position: relative; }
  .nav-links { display: none !important; }
  .nav-links.open {
    display: flex !important; flex-direction: column !important;
    position: absolute !important; top: 100% !important;
    left: 0 !important; right: 0 !important;
    background: var(--paper, #f5f0e8) !important;
    border-top: 1px solid rgba(0,0,0,0.08);
    border-bottom: 1px solid rgba(0,0,0,0.12);
    padding: 0.75rem 1.5rem 1rem !important;
    gap: 0 !important; z-index: 9999 !important;
    box-shadow: 0 12px 32px rgba(0,0,0,0.12) !important;
    list-style: none !important; margin: 0 !important;
  }
  .nav-links.open li { border-bottom: 1px solid rgba(0,0,0,0.06) !important; padding: 0.75rem 0 !important; margin: 0 !important; }
  .nav-links.open li:last-child { border-bottom: none !important; }
  .nav-links.open a { font-size: 1rem !important; display: block !important; width: 100% !important; padding: 0 !important; color: var(--ink, #1a1a18) !important; text-decoration: none !important; background: transparent !important; border-radius: 0 !important; }
  .nav-links.open a.active { background: transparent !important; color: var(--ink, #1a1a18) !important; font-weight: 700 !important; padding: 0 0 0 0.6rem !important; border-left: 3px solid var(--accent, #c84b2f) !important; border-radius: 0 !important; box-shadow: none !important; }
  .nav-links.open a.nav-cta { color: var(--accent, #c84b2f) !important; font-weight: 600 !important; background: transparent !important; border: none !important; box-shadow: none !important; }
  .hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
  .hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
  .hamburger { display: flex; }
  .section, .section-sm { padding: 4rem 1.5rem; }
  .cta-strip { grid-template-columns: 1fr; padding: 3rem 1.5rem; }
  footer { padding: 2rem 1.5rem; flex-direction: column; align-items: flex-start; }
  .page-hero { padding: 8rem 1.5rem 3rem; }
}