/* ==========================================================================
   Tres Palmas — Design System
   A cinematic, minimalist luxury aesthetic
   ========================================================================== */

/* ---------- Reset & Base ---------- */

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

:root {
  /* Palette */
  --color-cream: #f8f6f1;
  --color-warm-white: #faf9f6;
  --color-sand: #ece8df;
  --color-stone: #d5cec3;
  --color-charcoal: #2a2a28;
  --color-ink: #1a1a19;
  --color-muted: #8a8680;
  --color-accent: #b8a88a;

  /* Typography */
  --font-serif: 'Cormorant Garamond', 'Georgia', serif;
  --font-sans: 'Inter', 'Helvetica Neue', sans-serif;

  /* Spacing */
  --section-padding: clamp(80px, 12vw, 160px);
  --container-width: 1200px;
  --container-padding: clamp(24px, 5vw, 60px);

  /* Transitions */
  --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-smooth: cubic-bezier(0.22, 1, 0.36, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-charcoal);
  background: var(--color-cream);
  overflow-x: hidden;
}

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

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

/* ---------- Typography ---------- */

.section-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 24px;
}

.section-heading {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.15;
  letter-spacing: -0.5px;
  color: var(--color-ink);
  margin-bottom: 32px;
}

.section-intro {
  font-size: 18px;
  line-height: 1.8;
  color: var(--color-muted);
  max-width: 600px;
  margin-bottom: 48px;
}

h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(20px, 2.5vw, 26px);
  line-height: 1.3;
  margin-bottom: 12px;
  color: var(--color-ink);
}

p {
  margin-bottom: 16px;
  color: var(--color-charcoal);
}

p:last-child {
  margin-bottom: 0;
}

.small-text {
  font-size: 13px;
  color: var(--color-muted);
  letter-spacing: 0.5px;
}

/* ---------- Layout ---------- */

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ---------- Reveal Animations ---------- */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-smooth), transform 0.8s var(--ease-smooth);
}

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

.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }

/* ---------- Navigation ---------- */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px var(--container-padding);
  transition: background 0.4s ease, padding 0.4s ease, box-shadow 0.4s ease;
}

.nav.scrolled {
  background: rgba(248, 246, 241, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 16px var(--container-padding);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 2px;
  color: white;
  transition: color 0.4s ease;
}

.nav.scrolled .nav-logo {
  color: var(--color-ink);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 101;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: white;
  transition: background 0.4s ease, transform 0.3s ease, opacity 0.3s ease;
}

.nav.scrolled .nav-toggle span {
  background: var(--color-ink);
}

.nav-toggle span + span {
  margin-top: 7px;
}

.nav-toggle.active span {
  background: white;
}

.nav-toggle.active span:first-child {
  transform: rotate(45deg) translate(3px, 3px);
}

.nav-toggle.active span:last-child {
  transform: rotate(-45deg) translate(3px, -3px);
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.8);
  transition: color 0.3s ease;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width 0.3s var(--ease-smooth);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav.scrolled .nav-links a {
  color: var(--color-muted);
}

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

/* ---------- Hero ---------- */

.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(26, 26, 25, 0.45) 0%, rgba(26, 26, 25, 0.35) 35%, rgba(26, 26, 25, 0.40) 70%, rgba(26, 26, 25, 0.55) 100%),
    url('assets/cover.jpg') center 40% / cover no-repeat;
  transform: scale(1.05);
  transition: transform 8s var(--ease-out);
}

.hero-bg.loaded {
  transform: scale(1);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: white;
  padding: 0 24px;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.5), 0 1px 6px rgba(0, 0, 0, 0.4);
}

.hero-eyebrow {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 24px;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.5);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(48px, 9vw, 110px);
  font-weight: 300;
  letter-spacing: clamp(8px, 2vw, 20px);
  line-height: 1.05;
  margin-bottom: 24px;
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.5), 0 1px 6px rgba(0, 0, 0, 0.4);
}

.hero-subtitle {
  font-family: var(--font-sans);
  font-size: clamp(13px, 1.5vw, 16px);
  font-weight: 300;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 0;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.5);
}

.hero-scroll {
  display: inline-block;
  margin-top: 48px;
  position: relative;
  width: 1px;
  height: 48px;
}

.hero-scroll-line {
  display: block;
  width: 1px;
  height: 100%;
  background: rgba(255, 255, 255, 0.4);
  position: relative;
  overflow: hidden;
}

.hero-scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: white;
  animation: scrollLine 2s var(--ease-smooth) infinite;
}

@keyframes scrollLine {
  0% { top: -100%; }
  50% { top: 0; }
  100% { top: 100%; }
}

/* ---------- Intro ---------- */

.intro {
  padding: var(--section-padding) 0;
  background: var(--color-cream);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

.intro-text p {
  font-size: 17px;
  line-height: 1.85;
  color: var(--color-charcoal);
}

/* ---------- Property Specs ---------- */

.property-specs {
  display: flex;
  gap: clamp(24px, 4vw, 48px);
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--color-sand);
}

.property-spec {
  display: flex;
  flex-direction: column;
}

.property-spec-value {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(32px, 4vw, 44px);
  line-height: 1.1;
  color: var(--color-ink);
  letter-spacing: -0.5px;
}

.property-spec-label {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-top: 6px;
}

/* ---------- Image Frames (Placeholders) ---------- */

.image-frame {
  background: var(--color-sand);
  border-radius: 2px;
  aspect-ratio: 4 / 3;
  position: relative;
  overflow: hidden;
}

.image-frame::after {
  content: attr(data-placeholder);
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-muted);
  opacity: 0.6;
}

.image-frame--tall {
  aspect-ratio: 3 / 4;
}

.image-frame--wide {
  aspect-ratio: 16 / 9;
}

/* ---------- Real Image Styles ---------- */

.image-frame-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 2px;
  display: block;
}

.image-frame-img--tall {
  aspect-ratio: 3 / 4;
}

.image-frame-img--wide {
  aspect-ratio: 16 / 9;
}

.photo-break-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

/* ---------- Photo Break ---------- */

.photo-break {
  height: 60vh;
  min-height: 400px;
  overflow: hidden;
  position: relative;
}

.photo-break-inner {
  position: absolute;
  inset: -10% 0;
  background: var(--color-stone);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.photo-break-inner::after {
  content: attr(data-placeholder);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-muted);
  opacity: 0.5;
}

/* Hide placeholder text when real image is present */
.photo-break-inner:has(img)::after {
  display: none;
}

/* ---------- Details Section ---------- */

.details-section {
  padding: var(--section-padding) 0;
  background: var(--color-cream);
}

.details-section--alt {
  background: var(--color-warm-white);
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 3vw, 40px);
  margin-top: 48px;
}

.detail-card h3 {
  margin-top: 24px;
}

.detail-card p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-muted);
}

/* ---------- Details Grid: 5-card variant ---------- */

@media (min-width: 901px) {
  .details-grid--five {
    grid-template-columns: repeat(6, 1fr);
  }

  .details-grid--five .detail-card:nth-child(1) {
    grid-column: 1 / 3;
  }
  .details-grid--five .detail-card:nth-child(2) {
    grid-column: 3 / 5;
  }
  .details-grid--five .detail-card:nth-child(3) {
    grid-column: 5 / 7;
  }
  .details-grid--five .detail-card:nth-child(4) {
    grid-column: 2 / 4;
  }
  .details-grid--five .detail-card:nth-child(5) {
    grid-column: 4 / 6;
  }
}

/* ---------- Feature Split ---------- */

.feature-split {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  margin-top: 48px;
  align-items: start;
}

.feature-item {
  padding: 24px 0;
  border-bottom: 1px solid var(--color-sand);
}

.feature-item:last-child {
  border-bottom: none;
}

.feature-item h3 {
  font-size: 22px;
}

.feature-item p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-muted);
}

/* ---------- Outdoor Gallery ---------- */

.outdoor-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(16px, 2vw, 24px);
  margin-top: clamp(40px, 5vw, 64px);
}

.outdoor-gallery-item--wide {
  grid-column: 1 / -1;
}

.outdoor-gallery-item .image-frame-img {
  aspect-ratio: 4 / 3;
}

.outdoor-gallery-item--wide .image-frame-img {
  aspect-ratio: 16 / 9;
}

.outdoor-gallery-caption {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-top: 12px;
  text-align: center;
}

/* ---------- Experience ---------- */

.experience-section {
  padding: var(--section-padding) 0;
  background: var(--color-ink);
  color: white;
}

.experience-section .section-label {
  color: var(--color-accent);
}

.experience-section .section-heading {
  color: white;
}

.experience-section p {
  color: rgba(255, 255, 255, 0.7);
}

.experience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
}

.experience-text p {
  font-size: 17px;
  line-height: 1.85;
}

.experience-card {
  padding: 32px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.experience-card:last-child {
  border-bottom: none;
}

.experience-card h3 {
  color: white;
  font-size: 22px;
}

.experience-card p {
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- Explore ---------- */

.explore-section {
  padding: var(--section-padding) 0;
  background: var(--color-cream);
}

.explore-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 3vw, 40px);
}

.explore-card .image-frame {
  margin-bottom: 20px;
}

.explore-card .image-frame-img {
  margin-bottom: 20px;
}

.explore-card p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-muted);
}

/* ---------- Travel ---------- */

.travel-section {
  padding: var(--section-padding) 0;
  background: var(--color-warm-white);
}

.travel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}

.travel-card {
  padding: 24px 0;
  border-bottom: 1px solid var(--color-sand);
}

.travel-card:last-child {
  border-bottom: none;
}

.travel-card-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.travel-card p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-muted);
}

/* ---------- Inquire ---------- */

.inquire-section {
  padding: var(--section-padding) 0;
  background: var(--color-sand);
  text-align: center;
}

.inquire-content {
  max-width: 560px;
  margin: 0 auto;
}

.inquire-content p {
  font-size: 17px;
  line-height: 1.85;
  color: var(--color-charcoal);
}

.inquire-actions {
  margin-top: 40px;
}

.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 18px 48px;
  border: 1px solid var(--color-charcoal);
  color: var(--color-charcoal);
  transition: background 0.4s ease, color 0.4s ease;
}

.btn:hover {
  background: var(--color-charcoal);
  color: var(--color-cream);
}

.inquire-platforms {
  margin-top: 32px;
}

/* ---------- Footer ---------- */

.footer {
  padding: 60px 0;
  background: var(--color-ink);
  text-align: center;
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 300;
  letter-spacing: 3px;
  color: white;
  margin-bottom: 8px;
}

.footer-location {
  font-size: 12px;
  letter-spacing: 1px;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 24px;
}

.footer-copy {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.25);
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    background: var(--color-ink);
    flex-direction: column;
    padding: 100px 40px 40px;
    gap: 0;
    transform: translateX(100%);
    transition: transform 0.5s var(--ease-smooth);
    box-shadow: -20px 0 60px rgba(0, 0, 0, 0.25);
    z-index: 99;
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-links a {
    color: rgba(255, 255, 255, 0.8);
    padding: 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 13px;
    letter-spacing: 1.5px;
  }

  .nav-links a:hover {
    color: white;
  }

  .nav-links a::after {
    display: none;
  }

  .intro-grid,
  .experience-grid,
  .travel-grid {
    grid-template-columns: 1fr;
  }

  .details-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .details-grid--five {
    grid-template-columns: 1fr;
  }

  .details-grid--five .detail-card:nth-child(1),
  .details-grid--five .detail-card:nth-child(2),
  .details-grid--five .detail-card:nth-child(3),
  .details-grid--five .detail-card:nth-child(4),
  .details-grid--five .detail-card:nth-child(5) {
    grid-column: auto;
  }

  .feature-split {
    grid-template-columns: 1fr;
  }

  .explore-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
  }

  .intro-image {
    order: -1;
  }
}

@media (max-width: 600px) {
  .hero-title {
    letter-spacing: 6px;
  }

  .nav-links {
    width: 100%;
  }

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

  .outdoor-gallery {
    grid-template-columns: 1fr;
  }

  .outdoor-gallery-item--wide {
    grid-column: auto;
  }
}

/* ---------- Overlay for mobile menu ---------- */

.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
  z-index: 98;
}

.nav-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}