/* ==========================================================================
   Book A Trip — Coming Soon Landing
   Arquitectura: variables → reset → layout → components → sections → utilities
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */
:root {
  /* Brand palette — warm, premium, travel */
  --color-white: #ffffff;
  --color-sand-50: #fbf8f3;
  --color-sand-100: #f5efe6;
  --color-sand-200: #ebe1d2;
  --color-beige: #e8dcc8;
  --color-gold: #c9a35c;
  --color-gold-soft: #e0c48a;
  --color-orange: #d46b2c;
  --color-orange-deep: #b8551f;
  --color-navy: #1a2b4a;
  --color-navy-deep: #0f1a2e;
  --color-ink: #243044;
  --color-muted: #6b7280;
  --color-success: #2f7d4a;
  --color-error: #b42318;
  --color-whatsapp: #25d366;

  /* Surfaces & effects */
  --gradient-warm: linear-gradient(135deg, #fbf8f3 0%, #f5efe6 45%, #efe4d4 100%);
  --gradient-hero-overlay: linear-gradient(
    180deg,
    rgba(15, 26, 46, 0.55) 0%,
    rgba(15, 26, 46, 0.62) 45%,
    rgba(15, 26, 46, 0.78) 100%
  );
  --gradient-countdown: linear-gradient(135deg, #1a2b4a 0%, #243b63 50%, #1a2b4a 100%);
  --gradient-cta: linear-gradient(135deg, #e08a3c 0%, #d46b2c 55%, #b8551f 100%);
  --gradient-glow: radial-gradient(circle at 30% 20%, rgba(232, 168, 74, 0.22), transparent 55%);

  --glass-bg: rgba(255, 255, 255, 0.12);
  --glass-border: rgba(255, 255, 255, 0.22);
  --glass-blur: blur(14px);

  --shadow-soft: 0 10px 30px rgba(26, 43, 74, 0.08);
  --shadow-card: 0 12px 40px rgba(26, 43, 74, 0.1);
  --shadow-btn: 0 8px 22px rgba(212, 107, 44, 0.28);
  --shadow-float: 0 12px 28px rgba(15, 26, 46, 0.18);

  /* Typography */
  --font-sans: "Manrope", system-ui, -apple-system, sans-serif;
  --fs-xs: clamp(0.75rem, 0.7rem + 0.2vw, 0.8125rem);
  --fs-sm: clamp(0.875rem, 0.82rem + 0.25vw, 0.9375rem);
  --fs-base: clamp(1rem, 0.95rem + 0.25vw, 1.0625rem);
  --fs-md: clamp(1.125rem, 1.05rem + 0.35vw, 1.25rem);
  --fs-lg: clamp(1.35rem, 1.15rem + 0.8vw, 1.75rem);
  --fs-xl: clamp(1.75rem, 1.35rem + 1.6vw, 2.75rem);
  --fs-hero: clamp(2.4rem, 1.7rem + 3.2vw, 4.25rem);

  --lh-tight: 1.15;
  --lh-snug: 1.35;
  --lh-body: 1.65;

  /* Layout */
  --container: 1120px;
  --section-y: clamp(4.5rem, 6vw, 7.5rem);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 180ms;
  --dur: 420ms;
  --dur-slow: 700ms;

  /* Header */
  --nav-h: 72px;
}

/* --------------------------------------------------------------------------
   2. Reset & base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh-body);
  color: var(--color-ink);
  background: var(--color-sand-50);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.is-loading {
  overflow: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

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

button,
input {
  font: inherit;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
p {
  margin: 0;
}

:focus-visible {
  outline: 2px solid var(--color-orange);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 10000;
  padding: 0.75rem 1rem;
  background: var(--color-navy);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  transition: top var(--dur-fast) var(--ease-soft);
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

/* --------------------------------------------------------------------------
   3. Page loader
   -------------------------------------------------------------------------- */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  background: var(--gradient-warm);
  transition: opacity var(--dur-slow) var(--ease-out), visibility var(--dur-slow) var(--ease-out);
}

.page-loader.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.page-loader__inner {
  text-align: center;
  width: min(320px, 84vw);
}

.page-loader__logo {
  width: clamp(140px, 28vw, 180px);
  height: auto;
  margin: 0 auto 1.5rem;
  filter: drop-shadow(0 8px 20px rgba(26, 43, 74, 0.12));
  animation: loader-pulse 1.6s var(--ease-soft) infinite;
}

.page-loader__bar {
  height: 3px;
  border-radius: 999px;
  background: var(--color-sand-200);
  overflow: hidden;
}

.page-loader__bar span {
  display: block;
  width: 40%;
  height: 100%;
  border-radius: inherit;
  background: var(--gradient-cta);
  animation: loader-bar 1.2s var(--ease-soft) infinite;
}

.page-loader__text {
  margin-top: 1rem;
  font-size: var(--fs-sm);
  color: var(--color-muted);
}

@keyframes loader-bar {
  0% { transform: translateX(-120%); }
  100% { transform: translateX(320%); }
}

@keyframes loader-pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.02); opacity: 0.92; }
}

/* --------------------------------------------------------------------------
   4. Reveal animations (Intersection Observer)
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity var(--dur-slow) var(--ease-out),
    transform var(--dur-slow) var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

.reveal[data-reveal="fade-left"] {
  transform: translateX(-32px);
}

.reveal[data-reveal="fade-right"] {
  transform: translateX(32px);
}

.reveal[data-reveal="zoom"] {
  transform: scale(0.94);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .reveal,
  .page-loader__logo,
  .page-loader__bar span,
  .hero__scroll-mouse,
  .hero__image {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* --------------------------------------------------------------------------
   5. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 0;
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.35rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition:
    transform var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out),
    background var(--dur-fast) var(--ease-soft),
    color var(--dur-fast) var(--ease-soft);
}

.btn--primary {
  color: var(--color-white);
  background: var(--gradient-cta);
  box-shadow: var(--shadow-btn);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(212, 107, 44, 0.35);
}

.btn--primary:active {
  transform: translateY(0);
}

.btn--lg {
  padding: 1rem 1.7rem;
  font-size: var(--fs-base);
}

.btn--sm {
  padding: 0.65rem 1rem;
  font-size: var(--fs-sm);
}

.btn--block {
  width: 100%;
}

.btn.is-loading .btn__label {
  opacity: 0;
}

.btn.is-loading .btn__spinner {
  opacity: 1;
}

.btn__spinner {
  position: absolute;
  width: 1.15rem;
  height: 1.15rem;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: var(--color-white);
  border-radius: 50%;
  opacity: 0;
  animation: spin 0.7s linear infinite;
}

#form-submit {
  position: relative;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* --------------------------------------------------------------------------
   6. Navbar
   -------------------------------------------------------------------------- */
.navbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  height: var(--nav-h);
  transform: translateY(-100%);
  opacity: 0;
  transition:
    transform var(--dur) var(--ease-out),
    opacity var(--dur) var(--ease-out),
    background var(--dur) var(--ease-soft),
    box-shadow var(--dur) var(--ease-soft),
    backdrop-filter var(--dur) var(--ease-soft);
}

.navbar.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.navbar.is-solid {
  background: rgba(251, 248, 243, 0.86);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(26, 43, 74, 0.06), var(--shadow-soft);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1rem;
}

.navbar__brand img {
  /* logo.svg → 160×111 (ratio ≈ 1.44) */
  width: auto;
  height: 48px;
}

.navbar__list {
  display: flex;
  gap: 1.5rem;
}

.navbar__list a {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-navy);
  opacity: 0.82;
  transition: opacity var(--dur-fast) var(--ease-soft), color var(--dur-fast) var(--ease-soft);
}

.navbar__list a:hover {
  opacity: 1;
  color: var(--color-orange);
}

.navbar__toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  padding: 10px;
  cursor: pointer;
}

.navbar__toggle span {
  display: block;
  height: 2px;
  margin: 6px 0;
  background: var(--color-navy);
  border-radius: 2px;
  transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast);
}

.navbar__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.navbar__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.navbar__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.navbar__mobile {
  background: rgba(251, 248, 243, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-sand-200);
  padding: 1rem 1.25rem 1.5rem;
}

.navbar__mobile ul {
  display: grid;
  gap: 0.85rem;
}

.navbar__mobile a {
  font-weight: 600;
  color: var(--color-navy);
}

/* --------------------------------------------------------------------------
   7. Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: center;
  color: var(--color-white);
  overflow: hidden;
}

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

.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.05);
  transition: transform 8s var(--ease-soft);
}

.hero.is-ready .hero__image {
  transform: scale(1);
}

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

.hero__overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gradient-glow);
  opacity: 0.55;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  padding-block: calc(var(--nav-h) + 3rem) 6rem;
  max-width: 720px;
  margin-left: max(calc((100% - var(--container)) / 2), 1.25rem);
  margin-right: auto;
  width: min(100% - 2.5rem, 720px);
}

.hero__brand {
  font-size: clamp(1.35rem, 1rem + 1.4vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-gold-soft);
  margin-bottom: 0.85rem;
}

.hero__title {
  font-size: var(--fs-hero);
  font-weight: 800;
  line-height: var(--lh-tight);
  letter-spacing: -0.03em;
  margin-bottom: 1.1rem;
  text-wrap: balance;
}

.hero__subtitle {
  font-size: var(--fs-md);
  line-height: var(--lh-body);
  color: rgba(255, 255, 255, 0.88);
  max-width: 36ch;
  margin-bottom: 2rem;
}

.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 1.6rem;
  z-index: 2;
  transform: translateX(-50%);
  display: grid;
  justify-items: center;
  gap: 0.55rem;
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero__scroll-mouse {
  width: 22px;
  height: 34px;
  border: 2px solid rgba(255, 255, 255, 0.7);
  border-radius: 12px;
  position: relative;
}

.hero__scroll-mouse::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 7px;
  width: 3px;
  height: 7px;
  border-radius: 2px;
  background: var(--color-gold-soft);
  transform: translateX(-50%);
  animation: scroll-dot 1.6s var(--ease-soft) infinite;
}

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

/* --------------------------------------------------------------------------
   8. Sections shared
   -------------------------------------------------------------------------- */
.section {
  position: relative;
  padding-block: var(--section-y);
  overflow: hidden;
}

.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3.25rem;
}

.eyebrow {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: 0.85rem;
}

.eyebrow--light {
  color: var(--color-gold-soft);
}

.section__title {
  font-size: var(--fs-xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: var(--lh-snug);
  color: var(--color-navy);
  text-wrap: balance;
}

.section__title--light {
  color: var(--color-white);
}

.section__lead {
  margin-top: 1rem;
  color: var(--color-muted);
  font-size: var(--fs-base);
}

.decor-line {
  width: 64px;
  height: 3px;
  margin: 1.5rem auto 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-orange));
}

/* Organic background shapes */
.bg-shapes .shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  pointer-events: none;
  z-index: 0;
}

.shape--1 {
  width: 280px;
  height: 280px;
  top: -60px;
  left: -80px;
  background: rgba(232, 168, 74, 0.16);
}

.shape--2 {
  width: 320px;
  height: 320px;
  right: -100px;
  bottom: -80px;
  background: rgba(26, 43, 74, 0.08);
}

.shape--3 {
  width: 360px;
  height: 360px;
  right: -120px;
  top: 10%;
  background: rgba(212, 107, 44, 0.1);
}

.expectation,
.community,
.contact {
  background: var(--gradient-warm);
}

.expectation .container,
.community .container,
.contact .container {
  position: relative;
  z-index: 1;
}

/* --------------------------------------------------------------------------
   9. Cards
   -------------------------------------------------------------------------- */
.cards {
  display: grid;
  gap: 1.25rem;
}

.cards--3 {
  grid-template-columns: repeat(3, 1fr);
}

.cards--4 {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(10px);
  transition:
    transform var(--dur) var(--ease-out),
    box-shadow var(--dur) var(--ease-out),
    border-color var(--dur) var(--ease-soft);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: rgba(201, 163, 92, 0.45);
}

.card--link {
  color: inherit;
}

.card--link:hover .card__title {
  color: var(--color-orange);
}

.card__icon {
  margin-bottom: 1.15rem;
  width: 48px;
  height: 48px;
}

.card__title {
  font-size: var(--fs-md);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-navy);
  margin-bottom: 0.55rem;
  transition: color var(--dur-fast) var(--ease-soft);
}

.card__text {
  color: var(--color-muted);
  font-size: var(--fs-sm);
}

/* --------------------------------------------------------------------------
   10. Countdown
   -------------------------------------------------------------------------- */
.countdown {
  background: var(--gradient-countdown);
  color: var(--color-white);
}

.countdown::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(224, 196, 138, 0.16), transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(212, 107, 44, 0.14), transparent 45%);
  pointer-events: none;
}

.countdown .container {
  position: relative;
  z-index: 1;
}

.countdown__grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 2.5rem;
  align-items: center;
}

.countdown__text {
  margin-top: 1rem;
  color: rgba(255, 255, 255, 0.78);
  max-width: 38ch;
}

.countdown__illustration {
  margin-top: 1.5rem;
  opacity: 0.9;
}

.countdown__panel {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  align-items: center;
  padding: 1.5rem 1.25rem;
  border-radius: var(--radius-xl);
}

.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.countdown__unit {
  text-align: center;
  padding: 0.75rem 0.35rem;
}

.countdown__value {
  display: block;
  font-size: clamp(1.75rem, 1.2rem + 2vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--color-white);
}

.countdown__label {
  display: block;
  margin-top: 0.55rem;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
}

.countdown__sep {
  display: none;
}

/* --------------------------------------------------------------------------
   11. Community / form
   -------------------------------------------------------------------------- */
.community__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  align-items: center;
}

.community__visual {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 420px;
  box-shadow: var(--shadow-card);
}

.community__visual img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
}

.community__visual-glow {
  position: absolute;
  inset: auto 0 0;
  height: 45%;
  background: linear-gradient(180deg, transparent, rgba(15, 26, 46, 0.35));
  pointer-events: none;
}

.community__form-wrap {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
}

.waitlist-form {
  margin-top: 1.75rem;
  display: grid;
  gap: 1rem;
}

.form-field {
  display: grid;
  gap: 0.4rem;
}

.form-field label {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-navy);
}

.form-field input {
  width: 100%;
  border: 1px solid var(--color-sand-200);
  background: var(--color-white);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1rem;
  color: var(--color-ink);
  transition:
    border-color var(--dur-fast) var(--ease-soft),
    box-shadow var(--dur-fast) var(--ease-soft);
}

.form-field input::placeholder {
  color: #9aa3b2;
}

.form-field input:hover {
  border-color: var(--color-beige);
}

.form-field input:focus {
  outline: none;
  border-color: var(--color-orange);
  box-shadow: 0 0 0 3px rgba(212, 107, 44, 0.15);
}

.form-field.is-invalid input {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(180, 35, 24, 0.1);
}

.form-error {
  min-height: 1.1em;
  font-size: var(--fs-xs);
  color: var(--color-error);
}

.form-success {
  margin-top: 0.25rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  background: rgba(47, 125, 74, 0.1);
  color: var(--color-success);
  font-weight: 600;
  font-size: var(--fs-sm);
  animation: success-pop 0.5s var(--ease-out);
}

.form-note {
  font-size: var(--fs-xs);
  color: var(--color-muted);
  text-align: center;
}

@keyframes success-pop {
  0% { opacity: 0; transform: translateY(8px) scale(0.98); }
  100% { opacity: 1; transform: none; }
}

/* --------------------------------------------------------------------------
   12. Social
   -------------------------------------------------------------------------- */
.social {
  background:
    linear-gradient(180deg, rgba(15, 26, 46, 0.55), rgba(15, 26, 46, 0.72)),
    url("../assets/images/section-travel.jpg") center / cover no-repeat;
  color: var(--color-white);
  text-align: center;
}

.social__inner {
  max-width: 760px;
}

.social__copy .section__title {
  margin-bottom: 2rem;
}

.social__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
}

.social__link {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.75rem 1.05rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(10px);
  color: var(--color-white);
  font-size: var(--fs-sm);
  font-weight: 600;
  transition:
    transform var(--dur-fast) var(--ease-out),
    background var(--dur-fast) var(--ease-soft),
    border-color var(--dur-fast) var(--ease-soft);
}

.social__link img {
  filter: brightness(0) invert(1);
}

.social__link:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(224, 196, 138, 0.55);
}

/* --------------------------------------------------------------------------
   13. Footer
   -------------------------------------------------------------------------- */
.footer {
  background: var(--color-navy-deep);
  color: rgba(255, 255, 255, 0.78);
  padding-top: 3.5rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 2rem;
  padding-bottom: 2.5rem;
}

.footer__brand p {
  margin-top: 1rem;
  max-width: 28ch;
  font-size: var(--fs-sm);
}

.footer__brand img {
  /* logo-book-blanco.svg → 634×429 (ratio ≈ 1.48) */
  width: auto;
  height: 64px;
}

.footer__col h3 {
  color: var(--color-white);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.footer__col ul {
  display: grid;
  gap: 0.55rem;
}

.footer__col a {
  font-size: var(--fs-sm);
  transition: color var(--dur-fast) var(--ease-soft);
}

.footer__col a:hover {
  color: var(--color-gold-soft);
}

.footer__social {
  display: flex;
  gap: 0.65rem;
  margin-top: 1rem;
}

.footer__social a {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: background var(--dur-fast), transform var(--dur-fast);
}

.footer__social a:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-2px);
}

.footer__social img {
  filter: brightness(0) invert(1);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.15rem 0;
  font-size: var(--fs-xs);
}

/* --------------------------------------------------------------------------
   14. Floating actions
   -------------------------------------------------------------------------- */
.float-btn {
  position: fixed;
  z-index: 1100;
  width: 52px;
  height: 52px;
  border: 0;
  border-radius: 16px;
  display: grid;
  place-items: center;
  cursor: pointer;
  box-shadow: var(--shadow-float);
  transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur) var(--ease-soft);
}

.float-btn:hover {
  transform: translateY(-3px) scale(1.03);
}

.float-btn--whatsapp {
  right: 1.25rem;
  bottom: 1.25rem;
  background: transparent;
  padding: 0;
  overflow: hidden;
  border-radius: 50%;
}

.float-btn--whatsapp img {
  width: 100%;
  height: 100%;
}

.float-btn--top {
  right: 1.25rem;
  bottom: 5.25rem;
  background: var(--color-navy);
  color: var(--color-white);
}

.float-btn--top[hidden] {
  display: none;
}

/* --------------------------------------------------------------------------
   15. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .cards--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .countdown__grid,
  .community__grid {
    grid-template-columns: 1fr;
  }

  .community__visual {
    min-height: 300px;
  }

  .community__visual img {
    min-height: 300px;
  }

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

@media (max-width: 860px) {
  .navbar__nav,
  .navbar__cta {
    display: none;
  }

  .navbar__toggle {
    display: block;
  }

  .cards--3 {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin-inline: auto;
  }

  .hero__content {
    margin-left: auto;
    text-align: left;
  }
}

@media (max-width: 640px) {
  :root {
    --nav-h: 64px;
  }

  .cards--4 {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin-inline: auto;
  }

  .countdown__panel {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .social__link span {
    display: none;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .float-btn--whatsapp,
  .float-btn--top {
    right: 0.9rem;
  }

  .float-btn--whatsapp {
    bottom: 0.9rem;
  }

  .float-btn--top {
    bottom: 4.6rem;
  }
}

@media (min-width: 1400px) {
  :root {
    --container: 1200px;
  }
}