/* =========================================================
   TravolkStrip.com — Stylesheet
   Fonts: Poppins (headings) + Inter (body)
   Theme: Fresh tropical / travel — teal + sunset accents
   ========================================================= */

:root {
  --color-bg: #ffffff;
  --color-surface: #f6faf9;
  --color-text: #12303a;
  --color-muted: #5b6b73;
  --color-primary: #0e7c86;
  --color-primary-dark: #0a5f66;
  --color-accent: #ff8a3d;
  --color-accent-dark: #e5722a;
  --color-border: #dfe7e8;
  --color-danger: #c0392b;
  --color-success: #1e8e5a;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --shadow-sm: 0 2px 8px rgba(18, 48, 58, 0.06);
  --shadow-md: 0 10px 30px rgba(18, 48, 58, 0.10);
  --shadow-lg: 0 24px 60px rgba(18, 48, 58, 0.18);

  --font-heading: 'Poppins', system-ui, -apple-system, Segoe UI, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, Segoe UI, sans-serif;

  --container-w: 1160px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 0.6em;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.2rem;
}

p {
  margin: 0 0 1rem;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  color: var(--color-primary-dark);
}

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

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

.muted {
  color: var(--color-muted);
}

.accent {
  color: var(--color-accent);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  text-decoration: none;
  line-height: 1;
}

.btn-sm {
  padding: 10px 18px;
  font-size: 0.85rem;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 8px 22px rgba(14, 124, 134, .28);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-1px);
}

.btn-accent {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 8px 22px rgba(255, 138, 61, .35);
}

.btn-accent:hover {
  background: var(--color-accent-dark);
  color: #fff;
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .55);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, .12);
  color: #fff;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #0f3f48, #0e7c86);
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(14, 124, 134, .25);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-links a {
  color: var(--color-text);
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--color-primary);
}

.nav-links .btn {
  color: #fff;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  color: #fff;
  padding: 120px 0 100px;
  overflow: hidden;
  background: #0b3138;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 22%, rgba(255, 138, 61, .22), transparent 38%),
    radial-gradient(circle at 84% 80%, rgba(14, 124, 134, .3), transparent 40%),
    linear-gradient(145deg, #08242a 0%, #0b3138 45%, #134c57 100%);
  z-index: 0;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(transparent 97%, rgba(255, 255, 255, .08) 97%),
    linear-gradient(90deg, transparent 97%, rgba(255, 255, 255, .08) 97%);
  background-size: 44px 44px;
  opacity: .35;
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, .15);
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 22px;
}

.hero h1 {
  color: #fff;
}

.hero-lede {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, .9);
  max-width: 560px;
}

.hero-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-price-card {
  background: rgba(255, 255, 255, .96);
  color: var(--color-text);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-lg);
}

.price-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  font-weight: 600;
}

.price-amount {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-primary);
  margin: 6px 0 4px;
}

.price-note {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 20px;
}

.price-features {
  list-style: none;
  padding: 0;
  margin: 0 0 22px;
  display: grid;
  gap: 10px;
}

.price-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
}

.price-features li::before {
  content: "";
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-primary) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center/12px no-repeat;
  flex-shrink: 0;
}

/* ---------- Sections ---------- */
section {
  padding: 90px 0;
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 50px;
}

.section-eyebrow {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 10px;
}

/* ---------- About ---------- */
.about {
  background: var(--color-surface);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.value-card {
  background: #fff;
  padding: 28px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.value-card .icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  margin-bottom: 16px;
}

/* ---------- Auction / Form ---------- */
.auction {
  background: #fff;
}

.auction-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 48px;
  align-items: start;
}

.auction-info {
  background: linear-gradient(160deg, var(--color-primary), #0b5b64 65%, #083a41);
  color: #fff;
  padding: 40px;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.auction-info::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -60px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(255, 138, 61, .5), transparent 70%);
  border-radius: 50%;
}

.auction-info h2 {
  color: #fff;
}

.auction-info .stat {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 800;
  color: #fff;
  margin: 10px 0 4px;
}

.auction-info small {
  color: rgba(255, 255, 255, .8);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}

.rules {
  margin-top: 26px;
  display: grid;
  gap: 10px;
  list-style: none;
  padding: 0;
  position: relative;
  z-index: 1;
}

.rules li {
  background: rgba(255, 255, 255, .10);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
}

form.bid-form {
  background: #fff;
  padding: 36px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.form-row {
  margin-bottom: 18px;
}

.form-row.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--color-text);
}

label .req {
  color: var(--color-danger);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color .15s ease, box-shadow .15s ease;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(14, 124, 134, .15);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

.field-hint {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-top: 6px;
}

.field-error {
  font-size: 0.85rem;
  color: var(--color-danger);
  margin-top: 6px;
}

.alert {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-size: 0.95rem;
  border: 1px solid transparent;
}

.alert-error {
  background: #fdecea;
  color: #a5281b;
  border-color: #f5b6b0;
}

.alert-success {
  background: #e6f6ee;
  color: #14603f;
  border-color: #a3dbc0;
}

/* ---------- Tours ---------- */
.tours {
  background: var(--color-surface);
}

.tours-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.tour-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 26px;
  display: flex;
  flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.tour-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.tour-card .cat {
  display: inline-block;
  align-self: flex-start;
  background: rgba(14, 124, 134, .10);
  color: var(--color-primary);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.tour-card h3 {
  margin-bottom: 8px;
}

.tour-card p {
  color: var(--color-muted);
  flex: 1;
}

.tour-card .arrow {
  margin-top: 16px;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap .2s ease;
}

.tour-card:hover .arrow {
  gap: 12px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: #0b3138;
  color: rgba(255, 255, 255, .85);
  padding: 60px 0 24px;
  margin-top: 40px;
}

.site-footer h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 14px;
  letter-spacing: 0.04em;
}

.site-footer .muted {
  color: rgba(255, 255, 255, .65);
}

.site-footer a {
  color: rgba(255, 255, 255, .85);
}

.site-footer a:hover {
  color: var(--color-accent);
}

.brand--footer .brand-text {
  color: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 30px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-bottom {
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, .10);
  color: rgba(255, 255, 255, .55);
}

/* ---------- Thank-you page ---------- */
.thanks {
  padding: 140px 0 100px;
  background: linear-gradient(160deg, #eaf6f7, #fff);
  min-height: 70vh;
}

.thanks-card {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  background: #fff;
  padding: 48px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.thanks-check {
  width: 74px;
  height: 74px;
  margin: 0 auto 20px;
  background: var(--color-success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 2rem;
  font-weight: 800;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero {
    padding: 90px 0 80px;
  }

  .hero-grid,
  .auction-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-grid {
    grid-template-columns: 1fr 1fr;
  }

  .tours-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  section {
    padding: 70px 0;
  }

  .nav-links a:not(.btn) {
    display: none;
  }

  .about-grid,
  .tours-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .form-row.two-col {
    grid-template-columns: 1fr;
  }

  .auction-info,
  form.bid-form {
    padding: 26px;
  }

  .thanks-card {
    padding: 32px 22px;
  }
}