/* ============================================================
   JAD 288 — Landing Page
   Palette: navy #133448 · text #707070 · light bg #f5f2ed
   Font: Hanken Grotesk
   ============================================================ */

:root {
  --navy: #133448;
  --navy-dark: #0e2636;
  --text: #133448;
  --ink: #133448;
  --light: #f5f2ed;
  --light-2: #f6f8f6;
  --beige: #e5ded5;
  --white: #ffffff;
  --border: #e3e1dc;
  --maxw: 1200px;
  --radius: 10px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Hanken Grotesk", system-ui, -apple-system, sans-serif;
  font-size: 20px;
  color: #133448;
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { text-decoration: none; color: inherit; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 15px 30px;
  border-radius: 4px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  text-align: center;
}
.btn-primary { background: var(--navy); color: var(--white); }
.btn-primary:hover { background: var(--navy-dark); }
.btn-outline { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.7); }
.btn-outline:hover { background: rgba(255,255,255,0.12); }
.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.85);
  border-radius: 999px;
  padding: 14px 32px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); border-color: var(--white); }
.btn-block { width: 100%; padding: 17px; font-size: 14px; }
.header-cta { border-radius: 999px; padding: 12px 28px; }

/* ---------- Section titles ---------- */
.section-title {
  font-size: clamp(32px, 5.5vw, 79px);
  line-height: 1.1;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.01em;
}
.section-title.center { text-align: center; }
.section-eyebrow {
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 20px;
}
.section-lead {
  font-size: 35px;
  max-width: 820px;
  margin: 24px auto 0;
  line-height: 1.5;
}
.section-lead.center { text-align: center; }
.muted { color: #133448; font-size: 35px; line-height: 1.5; }
.rule { display: block; width: 70px; height: 3px; background: var(--navy); margin-bottom: 32px; }

/* ============ HEADER ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 88px;
}
.brand { display: flex; align-items: center; line-height: 1; }
.brand-logo {
  display: block;
  height: 58px;
  width: auto;
  max-width: 240px;
  object-fit: contain;
}
.brand-logo--footer {
  filter: brightness(0) invert(1);
}
.brand-main { font-weight: 800; font-size: 20px; letter-spacing: 0.06em; color: var(--navy); }
.brand-sub { font-weight: 500; font-size: 9px; letter-spacing: 0.32em; color: var(--text); margin-top: 4px; }
.brand-main.light, .brand-sub.light { color: var(--white); }

.main-nav { display: flex; gap: 34px; }
.main-nav a {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy);
  transition: opacity 0.2s;
}
.main-nav a:hover { opacity: 0.6; }
.header-cta { padding: 12px 26px; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--navy); display: block; transition: 0.3s; }

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: calc(100vh - 88px);
  margin-top: 0;
  background: url("../images/hero.jpg") center/cover no-repeat;
  color: var(--white);
}
.hero-overlay {
  position: absolute; inset: 0;
  background: rgba(10, 25, 38, 0.32);
}
.hero-inner {
  position: relative;
  z-index: 1;
  min-height: calc(100vh - 88px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding: 48px 24px 64px;
  gap: 32px;
}
.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.hero-logo {
  display: block;
  width: min(560px, 80vw);
  height: auto;
  margin-bottom: 0.5rem;
  object-fit: contain;
}
.hero-title {
  font-size: clamp(64px, 11vw, 132px);
  font-weight: 300;
  letter-spacing: 0.06em;
  line-height: 1;
}
.hero-num { font-weight: 400; }
.hero-subtitle {
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-top: 8px;
  color: var(--white);
}
.hero-tagline {
  font-size: clamp(12px, 1.2vw, 15px);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-top: 16px;
  max-width: 680px;
  color: rgba(255,255,255,0.92);
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-chevron { font-size: 1.3em; line-height: 1; }

/* ============ STATS ============ */
.stats { padding: 110px 0; background: var(--white); }
.stats .section-title {
  font-size: clamp(26px, 3.6vw, 48px);
  margin-bottom: 32px;
  letter-spacing: 0.03em;
  white-space: normal;
}
.stats .section-lead {
  margin-bottom: 0;
  max-width: 680px;
  line-height: 1.7;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 72px;
}
.stat { text-align: center; padding: 0 40px; }
.stat + .stat { border-left: 1px solid var(--border); }
.stat-value { font-size: clamp(48px, 5.5vw, 72px); font-weight: 800; color: var(--navy); line-height: 1; }
.stat-label { margin-top: 16px; text-transform: uppercase; letter-spacing: 0.16em; font-size: 13px; font-weight: 600; color: var(--text); }

/* ============ CONCEPT ============ */
.concept { padding: 96px 0; background: var(--white); }
.concept-heading {
  font-size: clamp(36px, 5.5vw, 65px);
  margin-bottom: 28px;
  letter-spacing: 0.03em;
}
.concept-lead {
  font-size: 20px;
  color: #133448;
  line-height: 1.6;
  margin-bottom: 52px;
  max-width: 100%;
}
.concept-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: start; }

.feature-list { list-style: none; display: flex; flex-direction: column; gap: 16px; }
.feature-list li {
  display: flex;
  gap: 22px;
  align-items: flex-start;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 28px;
}
.feature-icon {
  width: 36px;
  height: 36px;
  object-fit: contain;
  flex-shrink: 0;
  margin-top: 4px;
}
.feature-list h3 { color: var(--navy); font-size: 20px; font-weight: 700; margin-bottom: 8px; line-height: 1.2; }
.feature-list p { font-size: 15px; line-height: 1.55; color: #133448; }

.concept-right { position: relative; }
.concept-image { width: 100%; height: 620px; object-fit: cover; border-radius: var(--radius); }
.concept-card {
  position: absolute;
  right: -14px;
  bottom: -22px;
  background: var(--navy);
  color: var(--white);
  padding: 28px 30px;
  max-width: 310px;
  border-radius: var(--radius);
  box-shadow: 0 24px 50px rgba(15,38,54,0.30);
}
.concept-card h4 { font-size: 15px; letter-spacing: 0.18em; margin-bottom: 12px; font-weight: 700; }
.concept-card p { font-size: 16px; color: rgba(255,255,255,0.85); line-height: 1.6; }

/* ============ INTERIORS ============ */
.interiors { padding: 96px 0; background: #F6F4F0; }
.interiors-title {
  font-size: clamp(36px, 5vw, 65px);
  text-align: left;
  margin-bottom: 28px;
  letter-spacing: 0.03em;
}
.interiors-lead {
  font-size: 20px;
  text-align: left;
  margin: 0 0 52px;
  max-width: 100%;
  line-height: 1.6;
}
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.info-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  background: var(--white);
  transition: box-shadow 0.25s, transform 0.25s;
}
.info-card:hover { box-shadow: 0 18px 40px rgba(19,52,72,0.08); transform: translateY(-4px); }
.info-card h3 { color: var(--navy); font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.info-card p { font-size: 14px; line-height: 1.55; }

/* ============ CONNECTIVITY ============ */
.connectivity { padding: 96px 0; background: var(--white); }
.connectivity-title {
  font-size: clamp(36px, 5.5vw, 65px);
  margin-bottom: 48px;
  letter-spacing: 0.03em;
}
.connectivity-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 60px; align-items: start; }
.travel-list { list-style: none; display: flex; flex-direction: column; }
.travel-list li {
  display: flex; align-items: center; gap: 28px;
  padding: 24px 0; border-bottom: 1px solid var(--border);
}
.travel-list li:first-child { border-top: 1px solid var(--border); }
.travel-time {
  flex-shrink: 0; min-width: 120px; white-space: nowrap; font-weight: 800; font-size: 45px; color: var(--navy); line-height: 1;
}
.travel-place { font-size: 16px; color: var(--ink); line-height: 1.4; }
.map-image { width: 100%; height: auto; border-radius: var(--radius); display: block; }

/* ============ GALLERY ============ */
.gallery { padding: 96px 0; background: var(--light); }
.gallery .section-title { font-size: clamp(32px, 4.5vw, 65px); margin-bottom: 50px; }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.gallery-grid figure { overflow: hidden; border-radius: var(--radius); }
.gallery-grid img {
  width: 100%; height: 310px; object-fit: cover;
  transition: transform 0.5s ease;
}
.gallery-grid figure:hover img { transform: scale(1.05); }

/* ============ CALCULATOR ============ */
.calculator { padding: 96px 0; background: #F0F2F0; }
.calculator .rule { margin-left: auto; margin-right: auto; }
.calculator .section-title { font-size: clamp(32px, 4.5vw, 65px); letter-spacing: -0.01em; white-space: nowrap; }
.calculator .section-lead { font-size: 35px; line-height: 1.55; margin-bottom: 48px; max-width: none; }
.calc-card {
  background: var(--white);
  border-radius: 16px;
  padding: 48px;
  max-width: 960px;
  margin: 0 auto;
  box-shadow: 0 24px 60px rgba(19,52,72,0.08);
}
.calc-amount label { display: block; font-size: 20px; color: var(--ink); margin-bottom: 18px; }
.calc-amount label strong { color: var(--navy); font-weight: 800; }
input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 6px; border-radius: 4px;
  background: var(--beige); outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--navy); cursor: pointer; border: 4px solid var(--white);
  box-shadow: 0 2px 8px rgba(19,52,72,0.35);
}
input[type="range"]::-moz-range-thumb {
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--navy); cursor: pointer; border: 4px solid var(--white);
}
.calc-range-labels { display: flex; justify-content: space-between; margin-top: 10px; font-size: 16px; font-weight: 600; color: var(--text); }

.calc-results { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin: 40px 0 30px; }
.calc-box {
  background: var(--light-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 18px;
  text-align: center;
  display: flex; flex-direction: column; gap: 10px;
}
.calc-box-label { font-size: 14px; text-transform: uppercase; letter-spacing: 0.1em; font-weight: 700; color: var(--navy); }
.calc-box-value { font-size: 30px; font-weight: 800; color: var(--navy); }
.calc-box-note { font-size: 14px; color: var(--text); }
.calc-footer { text-align: center; font-size: 18px; font-weight: 600; color: var(--navy); }

/* ============ ADVANTAGES / TABS ============ */
.advantages { padding: 96px 0; background: var(--white); }
.adv-title { font-size: clamp(32px, 4.5vw, 65px); margin-bottom: 24px; }
.adv-lead { font-size: 20px; color: var(--navy); line-height: 1.6; margin-bottom: 52px; max-width: 100%; }
.tabs-grid { display: grid; grid-template-columns: 0.82fr 1.18fr; gap: 30px; align-items: start; }
.tabs-nav { display: flex; flex-direction: column; gap: 14px; }
.tab-btn {
  text-align: left;
  background: var(--navy);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  padding: 22px 26px;
  cursor: pointer;
  transition: background 0.2s;
  font-family: inherit;
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
}
.tab-btn:hover { background: #0e2636; }
.tab-btn.active { background: #0e2636; }
.tab-btn-title { font-size: 18px; font-weight: 700; color: var(--white); line-height: 1.25; }
.tab-btn-desc { font-size: 14px; color: rgba(255,255,255,0.72); line-height: 1.5; }
.tabs-content { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 44px; min-height: 320px; }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fade 0.3s ease; }
.tab-panel h3 { color: var(--navy); font-size: 28px; font-weight: 700; margin-bottom: 20px; }
.tab-panel p { font-size: 18px; color: var(--navy); line-height: 1.65; margin-bottom: 24px; }
.tab-panel-note { font-style: italic; color: var(--navy) !important; opacity: 0.72; border-top: 1px solid var(--border); padding-top: 22px; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ============ LEAD FORM ============ */
.lead { padding: 96px 0; background: #F0F2F0; }
.lead-rule { display: block; margin-left: auto; margin-right: auto; }
.lead-title { font-size: clamp(32px, 4.5vw, 65px); margin-bottom: 28px; }
.lead-section-lead {
  font-size: 20px;
  color: var(--navy);
  line-height: 1.65;
  text-align: center;
  max-width: 640px;
  margin: 0 auto 52px;
}
.lead-form {
  background: var(--white);
  border-radius: 16px;
  padding: 48px;
  max-width: 760px;
  margin: 0 auto;
  box-shadow: 0 8px 40px rgba(19,52,72,0.08);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.field { margin-bottom: 22px; display: flex; flex-direction: column; }
.field label { display: none; }
.field input, .field select {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px 18px;
  font-size: 16px;
  font-family: inherit;
  color: var(--ink);
  background: #F5F2ED;
  transition: border-color 0.2s;
}
.field input::placeholder { color: #8a9ab0; }
.field select { color: #8a9ab0; }
.field select option:not([disabled]) { color: var(--ink); }
.field input:focus, .field select:focus { outline: none; border-color: var(--navy); }
.lead-note { font-size: 14px; text-align: center; margin-top: 22px; color: var(--text); line-height: 1.6; }

/* ============ FOOTER ============ */
.site-footer { background: var(--navy); color: rgba(255,255,255,0.8); padding: 70px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand { display: flex; flex-direction: column; }
.footer-col h4 { color: var(--white); font-size: 15px; letter-spacing: 0.14em; margin-bottom: 18px; font-weight: 700; }
.footer-col a { display: block; font-size: 18px; margin-bottom: 12px; color: rgba(255,255,255,0.8); transition: color 0.2s; }
.footer-col a:hover { color: var(--white); }
.footer-bottom { margin-top: 50px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.14); }
.footer-bottom p { font-size: 16px; color: rgba(255,255,255,0.55); }

/* ============ RESPONSIVE ============ */
@media (max-width: 980px) {
  .concept-grid, .connectivity-grid, .tabs-grid { grid-template-columns: 1fr; gap: 44px; }
  .concept-image { height: 440px; }
  .concept-card { right: 16px; bottom: 16px; }
  .calc-results { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .main-nav, .header-cta { display: none; }
  .main-nav.open {
    display: flex; flex-direction: column; gap: 0;
    position: absolute; top: 76px; left: 0; right: 0;
    background: var(--white); border-bottom: 1px solid var(--border);
    padding: 10px 24px 20px;
  }
  .main-nav.open a { padding: 14px 0; border-bottom: 1px solid var(--border); }
  .nav-toggle { display: flex; }
  .card-grid, .gallery-grid, .stats-grid { grid-template-columns: 1fr; }
  .stat + .stat { border-left: none; border-top: 1px solid var(--border); padding-top: 30px; margin-top: 6px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .calc-card, .lead-form { padding: 28px; }
  .calc-results { grid-template-columns: 1fr 1fr; }
  .gallery-grid img { height: 220px; }
  .hero-actions .btn { width: 100%; }
}

@media (max-width: 440px) {
  .calc-results { grid-template-columns: 1fr; }
}
