/* =========================================================
   ZWALD TRAVEL PLANNER — Design System
   Teal brand, sublimée. Cormorant Garamond + Manrope.
   ========================================================= */

:root {
  /* Brand */
  --teal:        #1A9B8C;
  --teal-dark:   #0E7A6D;
  --teal-deep:   #0A5C52;
  --teal-light:  #24B5A5;

  --navy:        #16202E;
  --navy-soft:   #1F2D3F;

  /* warm sunset accent — used sparingly */
  --sand:        #E0A36B;
  --sand-soft:   #F0C99B;
  --sand-tint:   #F3E2DA;
  --sand-ink:    #9A5B2E;

  /* Backgrounds */
  --bg:          #F6FCFB;
  --bg-cream:    #EAF6F4;
  --bg-mint:     #DEF1EE;
  --surface:     #FFFFFF;

  /* Text */
  --ink:         #16242A;
  --ink-soft:    #335048;
  --ink-mute:    #5E7C76;
  --ink-faint:   #8AA8A2;
  --on-dark:     #EAF6F4;
  --on-dark-mute:#A9C9C3;
  --on-dark-dim: rgba(230,244,241,0.6);
  --ink-medium:  #355551;

  /* Lines */
  --line:        #CFE6E1;
  --line-soft:   #E0EFEC;

  /* Type */
  --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --sans:  "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Rhythm */
  --container: 1200px;
  --container-narrow: 760px;
  --radius: 4px;
  --radius-lg: 10px;
  --shadow-sm: 0 2px 14px rgba(16,36,42,0.06);
  --shadow-md: 0 18px 50px -20px rgba(16,36,42,0.30);
  --shadow-lg: 0 40px 80px -32px rgba(10,92,82,0.42);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --nav-h: 76px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--nav-h) + 12px);
  overflow-x: hidden;
}

body {
  font-family: var(--sans);
  background-color: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  font-weight: 400;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--teal); color: #fff; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-cream); }
::-webkit-scrollbar-thumb { background: var(--teal-light); border-radius: 6px; border: 2px solid var(--bg-cream); }
::-webkit-scrollbar-thumb:hover { background: var(--teal); }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-wrap: balance;
}
h1 { font-size: clamp(2.8rem, 6vw, 5rem); }
h2 { font-size: clamp(2.1rem, 4vw, 3.35rem); }
h3 { font-size: clamp(1.4rem, 2.2vw, 1.85rem); }
p { text-wrap: pretty; }

.eyebrow {
  font-family: var(--sans);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--teal-dark);
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 1px;
  background: var(--teal);
  display: inline-block;
}
.eyebrow.center { justify-content: center; }
.eyebrow.center::before { display: none; }
/* signature italic accent inside headings */
h2 em { font-style: italic; font-weight: 500; color: var(--teal-dark); }
.bg-navy h2 em, .bg-teal h2 em, .cta-band h2 em, .page-hero h1 em, .page-hero h2 em { color: var(--sand-soft); }
.eyebrow.on-dark { color: var(--sand-soft); }

.lead {
  font-size: clamp(1.1rem, 1.6vw, 1.3rem);
  color: var(--ink-soft);
  line-height: 1.7;
  font-weight: 400;
}

.script {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
}

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 32px; }
.narrow { max-width: var(--container-narrow); }
section { position: relative; }
.section-pad { padding: clamp(72px, 11vw, 140px) 0; }
.bg-cream { background: var(--bg-cream); }
.bg-mint  { background: var(--bg-mint); }
.bg-navy  { background: var(--navy); color: var(--on-dark); }
.bg-teal  { background: var(--teal); color: #fff; }
.bg-navy h1,.bg-navy h2,.bg-navy h3,.bg-teal h1,.bg-teal h2,.bg-teal h3 { color: #fff; }

.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head .eyebrow { margin-bottom: 20px; }
.section-head p { color: var(--ink-mute); margin-top: 18px; font-size: 1.08rem; }
.bg-navy .section-head p, .bg-teal .section-head p { color: var(--on-dark-mute); }

/* ---------- Buttons ---------- */
.btn {
  --bg: var(--navy); --fg: #fff;
  display: inline-flex; align-items: center; gap: 0.6em;
  padding: 1rem 1.9rem;
  background: var(--bg); color: var(--fg);
  font-family: var(--sans); font-weight: 600; font-size: 0.95rem;
  letter-spacing: 0.01em;
  border: 1px solid var(--bg); border-radius: 50px;
  cursor: pointer; position: relative; overflow: hidden; white-space: nowrap;
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease), background 0.3s, color 0.3s, border-color 0.3s;
  will-change: transform;
}
.btn span { position: relative; z-index: 1; display: inline-flex; align-items: center; gap: 0.55em; }
.btn .arrow { transition: transform 0.4s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }
.btn:hover { box-shadow: 0 16px 34px -14px rgba(16,36,42,0.5); }

.btn-teal  { --bg: var(--teal); --fg: #fff; }
.btn-teal:hover { box-shadow: 0 16px 34px -12px rgba(26,155,140,0.55); }
.btn-white { --bg: #fff; --fg: var(--teal-dark); }
.btn-ghost {
  background: transparent; color: var(--teal-dark);
  border: 1px solid var(--line);
}
.btn-ghost:hover { border-color: var(--teal); color: var(--teal-dark); background: rgba(26,155,140,0.06); }
.btn-ghost.on-dark { color: #fff; border-color: rgba(255,255,255,0.4); }
.btn-ghost.on-dark:hover { background: rgba(255,255,255,0.1); border-color: #fff; }
.btn-lg { padding: 1.15rem 2.3rem; font-size: 1rem; }

.text-link {
  font-weight: 600; color: var(--teal-dark);
  display: inline-flex; align-items: center; gap: 0.45em;
  border-bottom: 1px solid transparent; padding-bottom: 2px;
  transition: gap 0.3s var(--ease), border-color 0.3s;
}
.text-link:hover { gap: 0.75em; border-color: var(--teal); }

/* ---------- Navbar ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease), height 0.4s var(--ease);
}
.nav-inner {
  width: 100%; max-width: 1320px; margin: 0 auto; padding: 0 32px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav.scrolled { background: rgba(246,252,251,0.88); backdrop-filter: blur(14px); box-shadow: 0 1px 0 var(--line-soft); height: 64px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: 42px; height: 42px; border-radius: 50%; box-shadow: 0 4px 14px rgba(10,92,82,0.28); transition: transform 0.5s var(--ease); }
.brand:hover img { transform: rotate(-8deg) scale(1.05); }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name { font-family: var(--serif); font-size: 1.28rem; font-weight: 600; letter-spacing: 0.02em; color: var(--ink); }
.brand-sub { font-family: var(--sans); font-size: 0.56rem; letter-spacing: 0.34em; text-transform: uppercase; color: var(--teal-deep); margin-top: 3px; }
.nav.nav-light:not(.scrolled) .brand-name { color: #fff; }
.nav.nav-light:not(.scrolled) .brand-sub { color: var(--sand-soft); }
/* Scrim behind the transparent nav so white links stay legible over any hero image */
.nav.nav-light:not(.scrolled)::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: linear-gradient(180deg, rgba(11,28,38,0.5) 0%, rgba(11,28,38,0) 100%);
}

.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav-links a {
  font-size: 0.9rem; font-weight: 600; color: var(--ink-soft);
  padding: 9px 13px; border-radius: 40px; position: relative; white-space: nowrap;
  transition: color 0.3s;
}
.nav-links a::after {
  content: ""; position: absolute; left: 13px; right: 13px; bottom: 4px; height: 1.5px;
  background: var(--teal); transform: scaleX(0); transform-origin: left; transition: transform 0.35s var(--ease);
}
.nav-links a:hover { color: var(--teal-dark); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active { color: var(--teal-dark); }
.nav.nav-light:not(.scrolled) .nav-links a { color: rgba(255,255,255,0.88); }
.nav.nav-light:not(.scrolled) .nav-links a:hover, .nav.nav-light:not(.scrolled) .nav-links a.active { color: #fff; }
.nav.nav-light:not(.scrolled) .nav-links a::after { background: #fff; }
.nav-cta { margin-left: 12px; }
.nav .btn { padding: 0.7rem 1.4rem; font-size: 0.85rem; }
.nav.nav-light:not(.scrolled) .nav-cta .btn { background: #fff; color: var(--teal-dark); border-color: #fff; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; z-index: 110; }
.nav-toggle span { width: 26px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform 0.4s var(--ease), opacity 0.3s; }
.nav.nav-light:not(.scrolled) .nav-toggle span { background: #fff; }
.nav-open .nav-toggle span { background: var(--ink); }
.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* mobile menu */
.mobile-menu {
  position: fixed; inset: 0; z-index: 105;
  background: var(--bg);
  display: flex; flex-direction: column; justify-content: center; padding: 0 40px;
  transform: translateY(-100%); transition: transform 0.55s var(--ease);
  visibility: hidden;
}
.nav-open .mobile-menu { transform: translateY(0); visibility: visible; }
.mobile-menu a {
  font-family: var(--serif); font-size: 2rem; font-weight: 600; color: var(--ink);
  padding: 12px 0; border-bottom: 1px solid var(--line-soft);
  opacity: 0; transform: translateY(20px);
}
.nav-open .mobile-menu a { animation: menuIn 0.6s var(--ease) forwards; }
.mobile-menu a:nth-child(1){animation-delay:.08s} .mobile-menu a:nth-child(2){animation-delay:.13s}
.mobile-menu a:nth-child(3){animation-delay:.18s} .mobile-menu a:nth-child(4){animation-delay:.23s}
.mobile-menu a:nth-child(5){animation-delay:.28s} .mobile-menu a:nth-child(6){animation-delay:.33s}
.mobile-menu a:nth-child(7){animation-delay:.38s} .mobile-menu a:nth-child(8){animation-delay:.43s}
@keyframes menuIn { to { opacity: 1; transform: translateY(0); } }
.mobile-menu a.active { color: var(--teal-dark); }

/* ---------- Footer ---------- */
.footer { background: var(--navy); color: var(--on-dark); padding: 84px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 48px; }
.footer-brand .brand-name { color: #fff; }
.footer-brand .brand-sub { color: var(--sand-soft); }
.footer-brand p { color: var(--on-dark-mute); margin-top: 18px; max-width: 30ch; font-size: 0.96rem; }
.footer h2 { font-family: var(--sans); font-size: 0.78rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--sand-soft); margin-bottom: 20px; font-weight: 700; line-height: 1.3; }
.footer ul { list-style: none; display: flex; flex-direction: column; gap: 11px; }
.footer ul a { color: var(--on-dark-mute); font-size: 0.95rem; transition: color 0.3s, padding-left 0.3s; }
.footer ul a:hover { color: #fff; padding-left: 5px; }
.footer-bottom { margin-top: 64px; padding-top: 26px; border-top: 1px solid rgba(255,255,255,0.1); display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; color: var(--on-dark-mute); font-size: 0.84rem; }
.footer-social { display: flex; gap: 10px; }
.footer-social a { width: 40px; height: 40px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.18); display: flex; align-items: center; justify-content: center; color: var(--on-dark-mute); transition: all 0.35s var(--ease); }
.footer-social a:hover { background: var(--teal); border-color: var(--teal); color: #fff; transform: translateY(-3px); }
.footer-social svg { width: 17px; height: 17px; }

/* ---------- Page hero (interior pages) — editorial, bottom-anchored ---------- */
.page-hero {
  position: relative; display: flex; align-items: flex-end;
  min-height: 56vh; padding: calc(var(--nav-h) + 72px) 0 60px;
  background: var(--navy); color: #fff; overflow: hidden; isolation: isolate;
}
.page-hero.has-img { min-height: 70vh; }
.page-hero .ph-bg { position: absolute; inset: -10% 0; z-index: -2; }
.page-hero .ph-bg img { width: 100%; height: 100%; object-fit: cover; }
.page-hero .ph-overlay { position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(11,28,38,0.30) 0%, rgba(11,28,38,0.10) 40%, rgba(9,38,44,0.80) 90%); }
.page-hero .eyebrow { color: var(--sand-soft); margin-bottom: 20px; }
.page-hero .eyebrow::before { background: var(--sand-soft); }
.page-hero h1 { color: #fff; max-width: 20ch; font-size: clamp(2.6rem, 5.4vw, 4.6rem); line-height: 1.02; }
.page-hero p { color: rgba(255,255,255,0.92); font-size: clamp(1.05rem, 1.5vw, 1.3rem); margin-top: 22px; max-width: 54ch; }

/* ---------- Reveal animations ---------- */
[data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); will-change: opacity, transform; }
[data-reveal="fade"] { transform: none; }
[data-reveal="left"] { transform: translateX(-32px); }
[data-reveal="right"] { transform: translateX(32px); }
[data-reveal="scale"] { transform: scale(0.96); }
[data-reveal].in { opacity: 1; transform: none; }
[data-reveal-delay="1"] { transition-delay: 0.07s; }
[data-reveal-delay="2"] { transition-delay: 0.14s; }
[data-reveal-delay="3"] { transition-delay: 0.21s; }
[data-reveal-delay="4"] { transition-delay: 0.28s; }
[data-reveal-delay="5"] { transition-delay: 0.35s; }

/* clip reveal for images */
.img-reveal { position: relative; overflow: hidden; }
.img-reveal img { transform: scale(1.18); transition: transform 1.6s var(--ease); will-change: transform; }
.img-reveal.in img { transform: scale(1); }
.img-reveal::after {
  content: ""; position: absolute; inset: 0; background: var(--teal); transform-origin: right;
  transform: scaleX(1); transition: transform 1.1s var(--ease);
}
.img-reveal.in::after { transform: scaleX(0); }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001s !important; transition-duration: 0.001s !important; }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .img-reveal img { transform: none; }
  .img-reveal::after { display: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Reusable cards/grids ---------- */
.grid { display: grid; gap: 28px; }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--radius-lg);
  padding: 34px; transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease), border-color 0.5s;
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: var(--line); }
.card .ic {
  width: 52px; height: 52px; border-radius: 13px; display: flex; align-items: center; justify-content: center;
  background: var(--bg-mint); color: var(--teal-dark); margin-bottom: 22px;
}
.card .ic svg { width: 24px; height: 24px; }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--ink-mute); font-size: 0.98rem; }

/* checklist / feature list */
.feature-list { list-style: none; display: grid; gap: 14px; }
.feature-list li { display: flex; gap: 13px; align-items: flex-start; color: var(--ink-soft); font-size: 1rem; }
.feature-list li .tick { flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%; background: var(--bg-mint); color: var(--teal-dark); display: flex; align-items: center; justify-content: center; margin-top: 2px; }
.feature-list li .tick svg { width: 12px; height: 12px; }
.bg-teal .feature-list li, .bg-navy .feature-list li { color: var(--on-dark); }
.bg-teal .feature-list li .tick, .bg-navy .feature-list li .tick { background: rgba(255,255,255,0.15); color: #fff; }

/* two-column media */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 88px); align-items: center; }
.split.reverse .split-media { order: 2; }
.split-media { position: relative; }
.split-media img { width: 100%; height: auto; border-radius: var(--radius-lg); aspect-ratio: 4/5; object-fit: cover; }
.split-media.tall img { aspect-ratio: 3/4; }
.media-tag {
  position: absolute; bottom: 18px; left: 18px; background: rgba(255,255,255,0.92); backdrop-filter: blur(6px);
  padding: 8px 16px; border-radius: 40px; font-size: 0.78rem; font-weight: 600; color: var(--teal-dark);
  display: flex; align-items: center; gap: 7px;
}
.media-tag .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--sand); }
.split-text h2 { margin-bottom: 10px; }
.split-text .eyebrow { margin-bottom: 18px; }
.split-text p { color: var(--ink-mute); margin-top: 16px; font-size: 1.04rem; }
.split-text .lead { color: var(--ink-soft); }

/* decorative blob accent */
.blob { position: absolute; border-radius: 50%; filter: blur(60px); opacity: 0.5; z-index: 0; pointer-events: none; }

/* CTA band */
.cta-band { position: relative; overflow: hidden; isolation: isolate; }
.cta-band .ph-bg { position: absolute; inset: -10% 0; z-index: -2; }
.cta-band .ph-bg img { width: 100%; height: 100%; object-fit: cover; }
.cta-band .ph-overlay { position: absolute; inset: 0; z-index: -1; background: linear-gradient(120deg, rgba(11,28,38,0.86), rgba(10,92,82,0.7)); }
.cta-band .container { text-align: center; }
.cta-band h2 { color: #fff; max-width: 18ch; margin: 0 auto 18px; }
.cta-band p { color: rgba(255,255,255,0.9); max-width: 56ch; margin: 0 auto 34px; font-size: 1.12rem; }
.cta-band .btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* misc */
.text-center { text-align: center; }
.mt-s { margin-top: 18px; } .mt-m { margin-top: 32px; } .mt-l { margin-top: 48px; }
.divider { width: 54px; height: 2px; background: var(--teal); margin: 22px 0; border: none; }
.divider.center { margin: 22px auto; }

/* ---------- Responsive ---------- */
@media (max-width: 1040px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  /* keep the primary CTA visible on mobile, compact */
  .nav-cta { margin-left: auto; margin-right: 6px; }
  .nav-cta .btn { padding: 0.55rem 1.05rem; font-size: 0.8rem; }
}
@media (max-width: 980px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .cols-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; gap: 40px; }
  .split.reverse .split-media { order: 0; }
  .split-media img { aspect-ratio: 4/3; }
  .cols-3 { grid-template-columns: 1fr; }
  .cols-2 { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .container { padding: 0 22px; }
  .cols-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .card { padding: 26px; }
}