/* =====================================================
   DESIGN TOKENS
   ===================================================== */
:root {
  --color-primary: #455c6c;
  --color-primary-dark: #2e3f4c;
  --color-accent: #c9a96e;
  --color-accent-dark: #a8803e;
  --color-bg-light: #f8f5f0;
  --color-bg-dark: #1a2830;
  --color-text-body: #2c2c2c;
  --color-text-muted: #6b7280;
  --color-white: #ffffff;

  --font-heading: "Raleway", sans-serif;
  --font-body: "Lato", sans-serif;

  --text-hero: clamp(2rem, 5vw, 4rem);
  --text-h2: clamp(1.6rem, 3vw, 2.4rem);
  --text-body: 1rem;
  --text-lead: 1.125rem;
  --line-height: 1.75;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 50px;

  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.25);
  --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.3);

  --transition-fast: 0.2s ease;
  --transition-normal: 0.4s ease;
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  --nav-height: 72px;
}

/* =====================================================
   RESET & BASE
   ===================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  color: var(--color-text-body);
  line-height: var(--line-height);
  overflow-x: hidden;
  background: var(--color-white);
}

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

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

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-xl) 0;
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: var(--radius-pill);
  transition: var(--transition-normal);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-bg-dark);
  padding: 1rem 2.5rem;
  font-size: 0.95rem;
  box-shadow: 0 4px 20px rgba(201, 169, 110, 0.4);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(201, 169, 110, 0.55);
}

/* =====================================================
   NAV
   ===================================================== */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: padding var(--transition-normal);
  padding: 20px 0;
}

/* Background/blur live on a pseudo-element (not #navbar itself) so that
   backdrop-filter doesn't create a new containing block for the fixed-
   position .nav-links mobile menu (a descendant of #navbar). */
#navbar::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(46, 63, 76, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-nav);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

#navbar.scrolled {
  padding: 10px 0;
}

#navbar.scrolled::before {
  opacity: 1;
}

.nav-container {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--color-accent);
  letter-spacing: -0.02em;
}

.nav-logo span {
  color: var(--color-white);
  font-weight: 400;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: rgba(255, 255, 255, 0.85);
  transition: var(--transition-fast);
  position: relative;
  padding-bottom: 4px;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-accent);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  background: var(--color-accent);
  color: var(--color-bg-dark) !important;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
}

.nav-cta::after {
  display: none;
}

.nav-cta:hover {
  background: var(--color-accent-dark) !important;
  color: var(--color-white) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: var(--transition-fast);
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* =====================================================
   HERO
   ===================================================== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: url("../images/gallery/1.jpg") center center / cover no-repeat;
  background-attachment: fixed;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(26, 40, 48, 0.5) 0%,
    rgba(26, 40, 48, 0.75) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
  padding: 0 var(--space-md);
}

.hero-badge {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeSlideUp 0.8s ease 0.3s forwards;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: var(--text-hero);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: var(--space-md);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeSlideUp 0.9s ease 0.5s forwards;
}

.hero-content .btn {
  opacity: 0;
  transform: translateY(20px) scale(0.97);
  animation: fadeSlideUp 0.8s ease 0.8s forwards;
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: var(--color-white);
  opacity: 0.7;
  animation: bounce 2s ease-in-out infinite;
}

.hero-scroll svg {
  width: 36px;
  height: 36px;
}

/* =====================================================
   SECTION HEADERS
   ===================================================== */
.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.section-title {
  font-family: var(--font-heading);
  font-size: var(--text-h2);
  font-weight: 800;
  color: var(--color-primary-dark);
  position: relative;
  display: inline-block;
  padding-bottom: 1rem;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
}

.section-desc {
  max-width: 680px;
  margin: var(--space-sm) auto 0;
  color: var(--color-text-muted);
  font-size: var(--text-lead);
  line-height: var(--line-height);
}

/* =====================================================
   ABOUT
   ===================================================== */
.about {
  background: var(--color-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.about-text p {
  color: var(--color-text-body);
  margin-bottom: var(--space-sm);
  line-height: var(--line-height);
}

.about-text .lead {
  font-size: var(--text-lead);
  font-weight: 400;
  color: var(--color-primary-dark);
  border-left: 4px solid var(--color-accent);
  padding-left: var(--space-sm);
  margin-bottom: var(--space-md);
}

.about-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-bg-light);
  border: 1px solid rgba(201, 169, 110, 0.3);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-pill);
}

.badge svg {
  width: 14px;
  height: 14px;
  color: var(--color-accent);
  fill: var(--color-accent);
  flex-shrink: 0;
}

.about-image {
  display: flex;
  justify-content: center;
}

.image-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.image-frame img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  display: block;
}

.image-accent {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 120px;
  height: 120px;
  border: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
  z-index: -1;
}

/* =====================================================
   FLIP CARDS
   ===================================================== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.flip-card {
  height: 340px;
  perspective: 1000px;
  cursor: pointer;
}

.flip-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform var(--transition-slow);
  border-radius: var(--radius-md);
}

.flip-card:hover .flip-inner,
.flip-card:focus .flip-inner {
  transform: rotateY(180deg);
}

.flip-front,
.flip-back {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-md);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  overflow: hidden;
}

.flip-front {
  box-shadow: var(--shadow-card);
}

.flip-front img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.flip-card:hover .flip-front img {
  transform: scale(1.05);
}

.flip-title {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem 1.25rem;
  background: linear-gradient(transparent, rgba(26, 40, 48, 0.85));
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
}

.flip-back {
  background: var(--color-primary);
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--space-md);
  color: var(--color-white);
  box-shadow: var(--shadow-hover);
}

.flip-back h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.flip-back p {
  font-size: 0.95rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.88);
}

/* =====================================================
   INTERIOR / EXTERIOR BGs
   ===================================================== */
.interior {
  background: var(--color-bg-light);
}

.exterior {
  background: var(--color-white);
}

/* =====================================================
   GALLERY
   ===================================================== */
.gallery-section {
  background: var(--color-bg-dark);
}

.gallery-section .section-label {
  color: rgba(201, 169, 110, 0.9);
}

.gallery-section .section-title {
  color: var(--color-white);
}

.gallery-section .section-title::after {
  background: var(--color-accent);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  cursor: pointer;
  aspect-ratio: 4/3;
  background: var(--color-primary-dark);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  display: block;
}

.gallery-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(201, 169, 110, 0);
  transition: background var(--transition-normal);
}

.gallery-item:hover::after {
  background: rgba(201, 169, 110, 0.22);
}

.gallery-item:hover img {
  transform: scale(1.06);
}

.gallery-item .gallery-zoom {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  opacity: 0;
  transition: var(--transition-normal);
}

.gallery-item:hover .gallery-zoom {
  opacity: 1;
}

.gallery-zoom svg {
  width: 40px;
  height: 40px;
  color: var(--color-white);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.5));
}

/* =====================================================
   CONTACT
   ===================================================== */
.contact {
  background: var(--color-bg-dark);
  color: var(--color-white);
}

.contact .section-title {
  color: var(--color-white);
}

.contact .section-label {
  color: rgba(201, 169, 110, 0.9);
}

.contact .section-title::after {
  background: var(--color-accent);
}

.contact-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
  backdrop-filter: blur(4px);
}

.contact-name {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  text-align: left;
}

.contact-icon {
  width: 46px;
  height: 46px;
  background: rgba(201, 169, 110, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-accent);
}

.contact-item .contact-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}

.contact-item a {
  color: inherit;
  transition: color var(--transition-fast);
}

.contact-item a:hover {
  color: var(--color-accent);
}

.social-links {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-white);
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
  border: 2px solid transparent;
}

.social-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  flex-shrink: 0;
}

.social-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.social-wa {
  background: #25d366;
}
.social-fb {
  background: #1877f2;
}
.social-ig {
  background: radial-gradient(
    circle at 30% 107%,
    #fdf497 0%,
    #fdf497 5%,
    #fd5949 45%,
    #d6249f 60%,
    #285aeb 90%
  );
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.5);
  text-align: center;
  padding: var(--space-md) 0;
  font-size: 0.85rem;
  font-family: var(--font-body);
}

/* =====================================================
   LIGHTBOX
   ===================================================== */
.lightbox-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.96);
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2001;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.lightbox.open,
.lightbox-backdrop.open {
  opacity: 1;
  pointer-events: all;
}

.lightbox-img-wrap {
  position: relative;
  z-index: 1;
  max-width: 90vw;
  max-height: 85vh;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.lightbox.open .lightbox-img-wrap {
  transform: scale(1);
}

.lightbox-img-wrap img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.6);
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 2;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1rem;
  cursor: pointer;
  transition: background var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.25);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  z-index: 2;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  font-size: 1.3rem;
  cursor: pointer;
  transition:
    background var(--transition-fast),
    transform var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-prev {
  left: 1.5rem;
}
.lightbox-next {
  right: 1.5rem;
}

.lightbox-nav:hover {
  background: var(--color-accent);
  color: var(--color-bg-dark);
  transform: translateY(-50%) scale(1.08);
}

.lightbox-counter {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.65);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
}

/* =====================================================
   ANIMATIONS
   ===================================================== */
@keyframes fadeSlideUp {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes bounce {
  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(-10px);
  }
}

/* REVEAL — scroll-triggered */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}

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

.reveal-delay-1 {
  transition-delay: 0.15s;
}
.reveal-delay-2 {
  transition-delay: 0.3s;
}
.reveal-delay-3 {
  transition-delay: 0.45s;
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --space-xl: 4rem;
    --space-lg: 2.5rem;
  }

  .hero {
    background-attachment: scroll;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    background: var(--color-bg-dark);
    gap: var(--space-md);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
    z-index: 999;
  }

  .nav-links.open {
    opacity: 1;
    pointer-events: all;
  }

  .nav-link {
    font-size: 1.2rem;
  }

  .nav-cta {
    font-size: 1rem;
    padding: 0.75rem 2rem;
  }

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

  .about-image {
    order: -1;
  }

  .image-frame img {
    height: 280px;
  }

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

  .flip-card {
    height: 280px;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-card {
    padding: var(--space-md);
  }

  .lightbox-prev {
    left: 0.5rem;
  }
  .lightbox-next {
    right: 0.5rem;
  }
}

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

  .social-links {
    flex-direction: column;
    align-items: center;
  }

  .social-btn {
    width: 200px;
    justify-content: center;
  }
}