/* ============================================
   SM Travel Advisor — Coming Soon Landing Page
   Design System & Styles
   ============================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400..900;1,400..900&family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700&display=swap');

/* ---------- Custom Properties ---------- */
:root {
  /* Color Palette — Luxury warm tones */
  --clr-primary: hsl(32, 80%, 55%);
  --clr-primary-light: hsl(32, 85%, 65%);
  --clr-primary-dark: hsl(32, 75%, 40%);
  --clr-accent: hsl(196, 70%, 50%);
  --clr-accent-light: hsl(196, 75%, 62%);

  --clr-bg-dark: hsl(220, 25%, 8%);
  --clr-bg-surface: hsl(220, 20%, 12%);
  --clr-bg-card: hsl(220, 18%, 15%);

  --clr-text: hsl(40, 20%, 95%);
  --clr-text-muted: hsl(40, 10%, 65%);
  --clr-text-subtle: hsl(40, 8%, 45%);

  --clr-glass-bg: hsla(220, 20%, 15%, 0.45);
  --clr-glass-border: hsla(40, 20%, 95%, 0.12);
  --clr-glass-highlight: hsla(40, 20%, 95%, 0.06);

  /* Gradient tokens */
  --gradient-hero: linear-gradient(
    135deg,
    hsla(220, 25%, 8%, 0.7) 0%,
    hsla(220, 25%, 8%, 0.4) 50%,
    hsla(32, 80%, 55%, 0.15) 100%
  );
  --gradient-gold: linear-gradient(135deg, hsl(32, 80%, 55%), hsl(42, 90%, 60%));
  --gradient-accent: linear-gradient(135deg, hsl(196, 70%, 50%), hsl(180, 60%, 45%));

  /* Typography */
  --ff-display: 'Playfair Display', Georgia, serif;
  --ff-body: 'Inter', system-ui, sans-serif;
  --ff-heading: 'Outfit', system-ui, sans-serif;

  /* Spacing scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Borders & Radius */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px hsla(0, 0%, 0%, 0.15);
  --shadow-md: 0 8px 32px hsla(0, 0%, 0%, 0.25);
  --shadow-lg: 0 16px 64px hsla(0, 0%, 0%, 0.35);
  --shadow-glow: 0 0 40px hsla(32, 80%, 55%, 0.2);

  /* Transitions */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 200ms;
  --duration-normal: 400ms;
  --duration-slow: 700ms;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--ff-body);
  background-color: var(--clr-bg-dark);
  color: var(--clr-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
  list-style: none;
}

/* ---------- Accessibility ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Preloader ---------- */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-bg-dark);
  transition: opacity 0.6s var(--ease-out-expo), visibility 0.6s;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader__logo {
  font-family: var(--ff-display);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--clr-primary);
  letter-spacing: 0.15em;
  animation: pulse-glow 1.8s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.4; text-shadow: 0 0 20px hsla(32, 80%, 55%, 0.3); }
  50% { opacity: 1; text-shadow: 0 0 40px hsla(32, 80%, 55%, 0.6); }
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-lg) var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--duration-normal) var(--ease-out-expo),
              backdrop-filter var(--duration-normal) var(--ease-out-expo);
}

.nav.scrolled {
  background: var(--clr-glass-bg);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--clr-glass-border);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav__logo-icon {
  width: 36px;
  height: 36px;
}

.nav__name {
  font-family: var(--ff-display);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav__link {
  font-family: var(--ff-heading);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  transition: color var(--duration-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-gold);
  border-radius: var(--radius-full);
  transition: width var(--duration-normal) var(--ease-out-expo);
}

.nav__link:hover {
  color: var(--clr-text);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__cta {
  font-family: var(--ff-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.7em 1.8em;
  border: 1.5px solid var(--clr-primary);
  border-radius: var(--radius-full);
  color: var(--clr-primary);
  transition: all var(--duration-normal) var(--ease-out-expo);
  cursor: pointer;
  background: none;
}

.nav__cta:hover {
  background: var(--clr-primary);
  color: var(--clr-bg-dark);
  box-shadow: var(--shadow-glow);
}

/* Mobile nav toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: var(--space-sm);
}

.nav__toggle span {
  width: 24px;
  height: 2px;
  background: var(--clr-text);
  border-radius: var(--radius-full);
  transition: all var(--duration-fast);
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  animation: hero-zoom 20s ease-in-out infinite alternate;
}

@keyframes hero-zoom {
  from { transform: scale(1.05); }
  to { transform: scale(1.15); }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  z-index: 1;
}

.hero__particles {
  position: absolute;
  inset: 0;
  z-index: 2;
  overflow: hidden;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: hsla(40, 60%, 80%, 0.4);
  border-radius: 50%;
  animation: float-particle linear infinite;
}

@keyframes float-particle {
  0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-10vh) rotate(720deg); opacity: 0; }
}

.hero__content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 900px;
  padding: 0 var(--space-xl);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.5em 1.5em;
  background: var(--clr-glass-bg);
  backdrop-filter: blur(12px) saturate(1.3);
  -webkit-backdrop-filter: blur(12px) saturate(1.3);
  border: 1px solid var(--clr-glass-border);
  border-radius: var(--radius-full);
  font-family: var(--ff-heading);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-primary-light);
  margin-bottom: var(--space-xl);
  animation: fade-in-up 0.8s var(--ease-out-expo) 0.3s both;
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clr-primary);
  animation: badge-pulse 2s ease-in-out infinite;
}

@keyframes badge-pulse {
  0%, 100% { box-shadow: 0 0 0 0 hsla(32, 80%, 55%, 0.4); }
  50% { box-shadow: 0 0 0 8px hsla(32, 80%, 55%, 0); }
}

.hero__title {
  font-family: var(--ff-display);
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
  animation: fade-in-up 0.8s var(--ease-out-expo) 0.5s both;
}

.hero__title-accent {
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-family: var(--ff-body);
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 300;
  color: var(--clr-text-muted);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.8;
  animation: fade-in-up 0.8s var(--ease-out-expo) 0.7s both;
}

/* ---------- Email Signup ---------- */
.signup {
  display: flex;
  gap: 0;
  max-width: 520px;
  margin: 0 auto;
  background: var(--clr-glass-bg);
  backdrop-filter: blur(16px) saturate(1.3);
  -webkit-backdrop-filter: blur(16px) saturate(1.3);
  border: 1px solid var(--clr-glass-border);
  border-radius: var(--radius-full);
  padding: 5px;
  animation: fade-in-up 0.8s var(--ease-out-expo) 0.9s both;
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}

.signup:focus-within {
  border-color: hsla(32, 80%, 55%, 0.4);
  box-shadow: 0 0 0 4px hsla(32, 80%, 55%, 0.1);
}

.signup__input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  padding: 0.9em 1.5em;
  font-family: var(--ff-body);
  font-size: 0.95rem;
  color: var(--clr-text);
  letter-spacing: 0.02em;
}

.signup__input::placeholder {
  color: var(--clr-text-subtle);
}

.signup__btn {
  padding: 0.9em 2em;
  background: var(--gradient-gold);
  border: none;
  border-radius: var(--radius-full);
  font-family: var(--ff-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-bg-dark);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out-expo);
  white-space: nowrap;
}

.signup__btn:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-glow);
}

.signup__btn:active {
  transform: scale(0.98);
}

/* Success message */
.signup__success {
  display: none;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  font-family: var(--ff-heading);
  font-size: 0.95rem;
  color: hsl(150, 60%, 55%);
  animation: fade-in-up 0.5s var(--ease-out-expo);
}

.signup__success.show {
  display: flex;
}

/* ---------- Scroll Indicator ---------- */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  animation: fade-in-up 0.8s var(--ease-out-expo) 1.2s both;
}

.scroll-indicator__mouse {
  width: 26px;
  height: 40px;
  border: 2px solid var(--clr-text-subtle);
  border-radius: 13px;
  position: relative;
}

.scroll-indicator__wheel {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--clr-primary);
  border-radius: var(--radius-full);
  animation: scroll-wheel 2s ease-in-out infinite;
}

@keyframes scroll-wheel {
  0% { transform: translateX(-50%) translateY(0); opacity: 1; }
  100% { transform: translateX(-50%) translateY(12px); opacity: 0; }
}

.scroll-indicator__text {
  font-family: var(--ff-heading);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-text-subtle);
}

/* ---------- Section Common ---------- */
.section {
  padding: var(--space-3xl) var(--space-xl);
}

.section__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}

.section__eyebrow {
  font-family: var(--ff-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: var(--space-md);
}

.section__title {
  font-family: var(--ff-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-lg);
}

.section__desc {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--clr-text-muted);
  line-height: 1.8;
}

/* ---------- Countdown Section ---------- */
.countdown-section {
  background: var(--clr-bg-surface);
  position: relative;
  overflow: hidden;
}

.countdown-section::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, hsla(32, 80%, 55%, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.countdown {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.countdown__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 120px;
  padding: var(--space-xl) var(--space-lg);
  background: var(--clr-glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--clr-glass-border);
  border-radius: var(--radius-lg);
  transition: transform var(--duration-normal) var(--ease-out-expo),
              border-color var(--duration-normal);
}

.countdown__item:hover {
  transform: translateY(-4px);
  border-color: hsla(32, 80%, 55%, 0.25);
}

.countdown__number {
  font-family: var(--ff-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.countdown__label {
  font-family: var(--ff-heading);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-text-subtle);
}

/* ---------- Destinations Preview ---------- */
.destinations {
  background: var(--clr-bg-dark);
  position: relative;
}

.destinations__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  max-width: 1100px;
  margin: 0 auto;
}

.destination-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 3 / 4;
  cursor: pointer;
  group: true;
}

.destination-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out-expo);
}

.destination-card:hover .destination-card__img {
  transform: scale(1.08);
}

.destination-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    hsla(220, 25%, 8%, 0.85) 0%,
    hsla(220, 25%, 8%, 0.2) 50%,
    transparent 100%
  );
  transition: background var(--duration-normal);
}

.destination-card:hover .destination-card__overlay {
  background: linear-gradient(
    to top,
    hsla(220, 25%, 8%, 0.9) 0%,
    hsla(220, 25%, 8%, 0.3) 60%,
    hsla(32, 80%, 55%, 0.08) 100%
  );
}

.destination-card__content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-xl);
  transform: translateY(20px);
  transition: transform var(--duration-normal) var(--ease-out-expo);
}

.destination-card:hover .destination-card__content {
  transform: translateY(0);
}

.destination-card__location {
  font-family: var(--ff-heading);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-primary-light);
  margin-bottom: var(--space-xs);
}

.destination-card__name {
  font-family: var(--ff-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.destination-card__desc {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  line-height: 1.6;
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--duration-normal) var(--ease-out-expo) 0.1s;
}

.destination-card:hover .destination-card__desc {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Features Section ---------- */
.features {
  background: var(--clr-bg-surface);
  position: relative;
}

.features::after {
  content: '';
  position: absolute;
  bottom: -200px;
  left: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, hsla(196, 70%, 50%, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  max-width: 1100px;
  margin: 0 auto;
}

.feature-card {
  padding: var(--space-2xl);
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-glass-border);
  border-radius: var(--radius-xl);
  transition: all var(--duration-normal) var(--ease-out-expo);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-gold);
  opacity: 0;
  transition: opacity var(--duration-normal);
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: hsla(32, 80%, 55%, 0.2);
  box-shadow: var(--shadow-md);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: hsla(32, 80%, 55%, 0.1);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
  transition: background var(--duration-normal);
}

.feature-card:hover .feature-card__icon {
  background: hsla(32, 80%, 55%, 0.18);
}

.feature-card__title {
  font-family: var(--ff-heading);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.feature-card__desc {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
}

/* ---------- CTA / Newsletter Bottom ---------- */
.cta {
  background: var(--clr-bg-dark);
  position: relative;
  overflow: hidden;
}

.cta__wrapper {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
  background: var(--clr-glass-bg);
  backdrop-filter: blur(16px) saturate(1.3);
  -webkit-backdrop-filter: blur(16px) saturate(1.3);
  border: 1px solid var(--clr-glass-border);
  border-radius: var(--radius-xl);
  position: relative;
}

.cta__wrapper::before {
  content: '';
  position: absolute;
  inset: -1px;
  background: linear-gradient(
    135deg,
    hsla(32, 80%, 55%, 0.15) 0%,
    transparent 50%,
    hsla(196, 70%, 50%, 0.1) 100%
  );
  border-radius: var(--radius-xl);
  z-index: -1;
}

.cta__title {
  font-family: var(--ff-display);
  font-size: clamp(1.5rem, 3.5vw, 2.5rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.cta__desc {
  font-size: 1rem;
  color: var(--clr-text-muted);
  margin-bottom: var(--space-xl);
  line-height: 1.7;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--clr-bg-surface);
  border-top: 1px solid var(--clr-glass-border);
  padding: var(--space-2xl) var(--space-xl);
}

.footer__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.footer__brand {
  font-family: var(--ff-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer__copy {
  font-size: 0.8rem;
  color: var(--clr-text-subtle);
}

.footer__socials {
  display: flex;
  gap: var(--space-md);
}

.footer__social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--clr-glass-border);
  border-radius: 50%;
  color: var(--clr-text-muted);
  font-size: 1rem;
  transition: all var(--duration-fast);
}

.footer__social-link:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  background: hsla(32, 80%, 55%, 0.1);
}

/* ---------- Animations ---------- */
@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Intersection Observer reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--duration-slow) var(--ease-out-expo),
              transform var(--duration-slow) var(--ease-out-expo);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: hsla(220, 25%, 8%, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    align-items: center;
    justify-content: center;
    gap: var(--space-2xl);
    z-index: 999;
  }

  .nav__links.open .nav__link {
    font-size: 1.2rem;
  }

  .destinations__grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .features__grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

  .countdown {
    gap: var(--space-md);
  }

  .countdown__item {
    min-width: 90px;
    padding: var(--space-lg) var(--space-md);
  }

  .signup {
    flex-direction: column;
    border-radius: var(--radius-lg);
    padding: var(--space-sm);
  }

  .signup__btn {
    width: 100%;
    padding: 1em;
  }

  .hero__title {
    font-size: clamp(2rem, 8vw, 3.5rem);
  }

  .section {
    padding: var(--space-2xl) var(--space-lg);
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .countdown {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
}