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

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

:root {
  --black: #0A0A0A;
  --white: #FAFAFA;
  --gray-100: #F5F5F5;
  --gray-200: #E8E8E8;
  --gray-400: #B0B0B0;
  --gray-600: #6B6B6B;
  --gray-800: #2C2C2C;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--black);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.25rem 3rem;
  background: rgba(250,250,250,0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem; font-weight: 400;
  letter-spacing: 0.02em; color: var(--black);
  text-decoration: none;
}
.nav-logo span { font-style: italic; }
.nav-links {
  display: flex; gap: 2rem; align-items: center; list-style: none;
}
.nav-links a {
  font-size: 0.8rem; letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--gray-600); text-decoration: none; transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--black); }
.nav-cta {
  background: var(--black); color: var(--white);
  padding: 0.6rem 1.5rem; font-size: 0.78rem; letter-spacing: 0.08em;
  text-transform: uppercase; text-decoration: none;
  border: 1px solid var(--black); transition: all 0.2s; white-space: nowrap;
}
.nav-cta:hover { background: var(--gray-800); }
.nav-hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; }
.nav-hamburger span { display: block; width: 22px; height: 1px; background: var(--black); transition: all 0.3s; }

/* BUTTONS */
.btn { display: inline-block; text-decoration: none; cursor: pointer; border: none; font-family: var(--font-body); transition: all 0.2s; }
.btn-dark {
  background: var(--black); color: var(--white);
  padding: 0.9rem 2.25rem; font-size: 0.82rem; letter-spacing: 0.1em; text-transform: uppercase;
}
.btn-dark:hover { background: var(--gray-800); }
.btn-outline {
  background: transparent; color: var(--black);
  padding: 0.9rem 2.25rem; font-size: 0.82rem; letter-spacing: 0.1em; text-transform: uppercase;
  border: 1px solid var(--gray-400);
}
.btn-outline:hover { border-color: var(--black); }
.btn-white {
  background: var(--white); color: var(--black);
  padding: 0.9rem 2.25rem; font-size: 0.82rem; letter-spacing: 0.1em; text-transform: uppercase;
}
.btn-white:hover { background: var(--gray-100); }

/* TYPOGRAPHY */
h1, h2, h3 { font-family: var(--font-display); font-weight: 400; line-height: 1.1; }
.display-xl { font-size: clamp(2.4rem, 6vw, 6rem); }
.display-lg { font-size: clamp(2rem, 4vw, 3.75rem); }
.display-md { font-size: clamp(1.6rem, 3vw, 2.75rem); }
.display-sm { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
.eyebrow {
  font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--gray-600); margin-bottom: 1.25rem; display: block;
}
.lead { font-size: 1.05rem; color: var(--gray-600); line-height: 1.75; max-width: 560px; }
.text-center { text-align: center; }
.text-center .lead { margin: 0 auto; }

/* LAYOUT */
.container { max-width: 1200px; margin: 0 auto; padding: 0 3rem; }
.section { padding: 7rem 0; }
.section-sm { padding: 4rem 0; }
.section-dark { background: var(--black); color: var(--white); }
.section-gray { background: var(--gray-100); }
.pt-nav { padding-top: 80px; }

/* GRID */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; }

/* DIVIDER */
.divider { height: 1px; background: var(--gray-200); margin: 0; }
.divider-dark { height: 1px; background: rgba(255,255,255,0.1); }

/* CARDS */
.card-border {
  border: 1px solid var(--gray-200); padding: 2.5rem;
  transition: border-color 0.2s;
}
.card-border:hover { border-color: var(--gray-400); }
.card-dark { background: var(--gray-800); padding: 2.5rem; }

/* IMAGE PLACEHOLDER */
.img-placeholder {
  background: var(--gray-200);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--gray-400);
}
.img-placeholder-dark { background: var(--gray-800); color: var(--gray-600); }

/* FEATURE LIST */
.feature-list { list-style: none; display: flex; flex-direction: column; gap: 0.85rem; }
.feature-list li {
  display: flex; align-items: center; gap: 0.85rem;
  font-size: 0.9rem; color: var(--gray-600);
}
.feature-list li::before {
  content: ''; width: 18px; height: 1px;
  background: var(--black); flex-shrink: 0;
}

/* STEPS */
.steps { display: flex; align-items: center; gap: 0; flex-wrap: wrap; }
.step { flex: 1; text-align: center; padding: 2rem 1.5rem; position: relative; min-width: 140px; }
.step::after {
  content: '→'; position: absolute; right: -0.5rem; top: 50%;
  transform: translateY(-50%); color: var(--gray-400); font-size: 1.2rem;
}
.step:last-child::after { display: none; }
.step-num {
  font-family: var(--font-display); font-size: 2.5rem; font-weight: 400;
  color: #C8C8C8; display: block; margin-bottom: 0.5rem;
}
.step h4 { font-family: var(--font-body); font-size: 0.85rem; font-weight: 500; margin-bottom: 0.25rem; }
.step p { font-size: 0.78rem; color: var(--gray-600); }

/* STAT */
.stat-num {
  font-family: var(--font-display); font-size: clamp(2rem, 4vw, 4rem);
  font-weight: 400; line-height: 1; display: block;
}
.stat-label { font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gray-600); margin-top: 0.5rem; display: block; }

/* SPLIT PATH */
.split-path { display: grid; grid-template-columns: 1fr 1fr; min-height: 420px; }
.split-card { padding: 4rem; display: flex; flex-direction: column; justify-content: space-between; }
.split-card-dark { background: var(--black); color: var(--white); }
.split-card-light { background: var(--gray-100); }

/* FOOTER */
footer {
  background: var(--black); color: var(--white);
  padding: 4rem 0 2rem;
}
.footer-inner {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem; margin-bottom: 3rem;
}
.footer-logo {
  font-family: var(--font-display); font-size: 1.5rem;
  margin-bottom: 1rem; display: block;
}
.footer-logo span { font-style: italic; }
.footer-tagline { font-size: 0.82rem; color: var(--gray-400); line-height: 1.6; max-width: 240px; }
.footer-col h5 {
  font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--gray-400); margin-bottom: 1.25rem; font-weight: 400;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.65rem; }
.footer-col a { font-size: 0.85rem; color: rgba(255,255,255,0.6); text-decoration: none; transition: color 0.2s; }
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 2rem;
  display: flex; justify-content: space-between; align-items: center;
}
.footer-bottom p { font-size: 0.78rem; color: var(--gray-600); }

/* HERO */
.hero { min-height: 92vh; display: flex; align-items: center; padding-top: 80px; }
.hero-content { max-width: 800px; }
.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2.5rem; }

/* ANIMATIONS */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.7s ease forwards; }
.fade-up-2 { animation: fadeUp 0.7s 0.15s ease forwards; opacity: 0; }
.fade-up-3 { animation: fadeUp 0.7s 0.3s ease forwards; opacity: 0; }

/* CALCULATOR */
.calc-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 0; min-height: 500px; }
.calc-inputs { padding: 4rem; background: var(--gray-100); }
.calc-output { padding: 4rem; background: var(--black); color: var(--white); display: flex; flex-direction: column; justify-content: center; }
.calc-output .result-num {
  font-family: var(--font-display); font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 400; line-height: 1; margin-bottom: 0.5rem;
}
.calc-label { font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gray-400); margin-bottom: 3rem; }
.slider-group { margin-bottom: 2.5rem; }
.slider-group label { font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gray-600); display: block; margin-bottom: 0.75rem; }
.slider-val { font-family: var(--font-display); font-size: 1.75rem; color: var(--black); margin-bottom: 0.75rem; display: block; }
input[type=range] {
  width: 100%; height: 2px; background: var(--gray-200);
  outline: none; -webkit-appearance: none; appearance: none; cursor: pointer;
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 18px; height: 18px;
  background: var(--black); border-radius: 50%; cursor: pointer;
}
input[type=range]::-moz-range-thumb { width: 18px; height: 18px; background: var(--black); border-radius: 50%; cursor: pointer; border: none; }
.calc-breakdown { margin-top: 2rem; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.1); }
.calc-breakdown p { font-size: 0.82rem; color: var(--gray-400); line-height: 1.7; }

/* GALLERY GRID */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.gallery-item { aspect-ratio: 4/3; overflow: hidden; }
.gallery-item.tall { aspect-ratio: 3/4; }
.gallery-item.wide { grid-column: span 2; aspect-ratio: 16/9; }

/* CONTACT FORM */
.form-field { margin-bottom: 1.25rem; }
.form-field label { font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gray-600); display: block; margin-bottom: 0.5rem; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; padding: 0.9rem 1rem;
  border: 1px solid var(--gray-200); background: transparent;
  font-family: var(--font-body); font-size: 0.9rem; color: var(--black);
  outline: none; transition: border-color 0.2s; -webkit-appearance: none;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--black); }
.form-field textarea { height: 120px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }

/* EARNINGS */
.earnings-card {
  background: var(--black); color: var(--white);
  padding: 3rem; max-width: 560px; width: 100%;
}
.earnings-row { display: flex; justify-content: space-between; align-items: baseline; padding: 1rem 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
.earnings-row:last-child { border-bottom: none; }
.earnings-label { font-size: 0.82rem; color: var(--gray-400); }
.earnings-val { font-family: var(--font-display); font-size: 1.5rem; }
.earnings-val.highlight { font-size: 2.25rem; color: var(--white); }

/* MOBILE NAV */
.mobile-nav {
  display: none; position: fixed; inset: 0; z-index: 190;
  background: var(--white); padding: 6rem 3rem 3rem;
  flex-direction: column; gap: 2rem;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-family: var(--font-display); font-size: 2rem; font-weight: 400;
  color: var(--black); text-decoration: none;
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 900px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .container { padding: 0 1.25rem; }
  .section { padding: 4rem 0; }
  .section-sm { padding: 2.5rem 0; }

  /* All multi-col grids collapse */
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; gap: 1px; }
  .split-path { grid-template-columns: 1fr; }
  .split-card { padding: 2.5rem 1.25rem; }

  /* Calculator */
  .calc-wrap { grid-template-columns: 1fr; }
  .calc-inputs, .calc-output { padding: 2rem 1.25rem; }
  .calc-label { margin-bottom: 1.5rem; }

  /* Footer */
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }

  /* Gallery */
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .gallery-item.wide { grid-column: span 2; }

  /* Forms */
  .form-row { grid-template-columns: 1fr; }

  /* Steps */
  .steps { flex-direction: column; gap: 0; }
  .step { width: 100%; min-width: unset; }
  .step::after { display: none; }

  /* Typography */
  .hero-content { max-width: 100%; }
  .display-xl { font-size: clamp(2.2rem, 9vw, 3.5rem); }
  .display-lg { font-size: clamp(1.8rem, 7vw, 3rem); }
  .display-md { font-size: clamp(1.5rem, 6vw, 2.25rem); }

  /* Hero */
  .hero { min-height: 80vh; }
  .hero-btns { flex-direction: column; align-items: flex-start; }
  .hero-btns .btn { width: 100%; text-align: center; }

  /* Stats bar — collapse inline grid */
  .stats-bar-inner { grid-template-columns: 1fr 1fr !important; }
  .stats-bar-cell { border-right: none !important; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .stats-bar-cell:nth-child(odd) { border-right: 1px solid rgba(255,255,255,0.08) !important; }
  .stats-bar-cell:nth-last-child(-n+2) { border-bottom: none; }

  /* Inline two-col grids used on various pages */
  .two-col-grid { grid-template-columns: 1fr !important; gap: 2.5rem !important; }
  .two-col-grid .img-placeholder { min-height: 260px !important; aspect-ratio: 4/3 !important; }

  /* Events gallery strip */
  .events-strip { grid-template-columns: 1fr 1fr !important; }

  /* Locations metrics mini-grid */
  .metrics-grid { grid-template-columns: 1fr 1fr !important; }

  /* Context blocks (calculator page) */
  .context-grid { grid-template-columns: 1fr !important; }

  /* Earnings card full width */
  .earnings-card { max-width: 100%; padding: 2rem 1.25rem; }

  /* About story grid */
  .about-stat-grid { grid-template-columns: 1fr 1fr !important; }
}

@media (max-width: 600px) {
  .container { padding: 0 1rem; }
  .footer-inner { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item.wide { grid-column: span 1; aspect-ratio: 4/3; }
  .stats-bar-inner { grid-template-columns: 1fr 1fr !important; }
  .events-strip { grid-template-columns: 1fr 1fr !important; }
  .gallery-filter-bar { padding: 0 1rem !important; overflow-x: auto; }
}

/* FOOTER RESPONSIVE */
@media (max-width: 900px) {
  footer .footer-grid { grid-template-columns: 1fr 1fr !important; }
}
@media (max-width: 600px) {
  footer .footer-grid { grid-template-columns: 1fr !important; }
}