@charset "utf-8";

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

:root {
  --nav-height: 80px;
  --color-snow: #fafbfc;
  --color-ice: #e8f4f8;
  --color-frost: #d4e9f2;
  --color-winter-blue: #7ba8bd;
  --color-slate: #4a5f6d;
  --color-charcoal: #2c3e50;
  --color-white: #ffffff;
  --font-sans: "Montserrat", sans-serif;
  --font-serif: "Cormorant Garamond", serif;
}

body {
  font-family: var(--font-sans);
  background: linear-gradient(
    135deg,
    var(--color-snow) 0%,
    var(--color-ice) 100%
  );
  color: var(--color-charcoal);
  line-height: 1.6;
  min-height: 100vh;
}

/* Navigation */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 1.5rem 2rem;
  z-index: 1000;
  border-bottom: 1px solid rgba(123, 168, 189, 0.1);
  height: var(--nav-height);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 300;
  letter-spacing: 2px;
  color: var(--color-slate);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  transition: color 0.3s ease;
}

.logo:hover {
  color: var(--color-winter-blue);
}

.logo:hover .logo-icon {
  opacity: 1;
}

.logo-icon {
  width: 24px;
  height: 24px;
  opacity: 0.6;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-slate);
  font-size: 0.9rem;
  font-weight: 300;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: color 0.3s ease;
  position: relative;
  padding-top: 1.5rem;
}

.nav-links a::before {
  content: "❄";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.85rem;
  color: var(--color-winter-blue);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.nav-links a.active::before,
.nav-links a:hover::before {
  opacity: 1;
}

.nav-links a:hover {
  color: var(--color-winter-blue);
}

/* Hero Section */
.hero {
  position: relative;
  width: 100%;
  height: calc(150vh - var(--nav-height));
  margin-top: var(--nav-height);
  overflow: hidden;
}

/* background layer */
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;

  opacity: 0;
  animation: fade 16s infinite;
}

/* urutan background */
.hero-bg:nth-child(1) {
  background-image: url("img/siji-backup.jpg");
  animation-delay: 0s;
}

.hero-bg:nth-child(2) {
  background-image: url("img/loro.jpg");
  animation-delay: 4s;
}

.hero-bg:nth-child(3) {
  background-image: url("img/tiga.jpg");
  animation-delay: 8s;
}

.hero-bg:nth-child(4) {
  background-image: url("img/papat.jpg");
  animation-delay: 12s;
}

/* animasi */
@keyframes fade {
  0% {
    opacity: 0;
  }
  5% {
    opacity: 1;
  }
  25% {
    opacity: 1;
  }
  30% {
    opacity: 0;
  }
  100% {
    opacity: 0;
  }
}

/* content */
.hero-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
}

.hero-content h1 {
  color: white !important;
  font-size: clamp(24px, 5vw, 48px);
  line-height: 1.4;
}

.hero p {
  font-size: 1 rem;
  color: var(--color-winter-blue);
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  position: relative;
  z-index: 1;
}

/* Filter Section */
.filter-container {
  padding: 3rem 2rem;
  text-align: center;
}

.filter-buttons {
  display: inline-flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.filter-btn {
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: 1.25rem;
  color: var(--color-slate);
  cursor: pointer;
  padding: 0.5rem 0;
  position: relative;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  font-weight: 500;
  transition: color 0.3s ease;
}

.filter-btn::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 100%;
  height: 1px;
  background: var(--color-winter-blue);
  transition: transform 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
  color: var(--color-winter-blue);
}

.filter-btn.active::after {
  transform: translateX(-50%) scaleX(1);
}

/* Gallery Section */
.gallery-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  grid-auto-flow: dense;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  cursor: pointer;
  background: var(--color-white);
  box-shadow: 0 4px 20px rgba(123, 168, 189, 0.08);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.gallery-item:nth-child(1) {
  animation-delay: 0.1s;
}

.gallery-item:nth-child(2) {
  animation-delay: 0.15s;
}

.gallery-item:nth-child(3) {
  animation-delay: 0.2s;
}

.gallery-item:nth-child(4) {
  animation-delay: 0.25s;
}

.gallery-item:nth-child(5) {
  animation-delay: 0.3s;
}

.gallery-item:nth-child(6) {
  animation-delay: 0.35s;
}

.gallery-item:nth-child(7) {
  animation-delay: 0.4s;
}

.gallery-item:nth-child(8) {
  animation-delay: 0.45s;
}

.gallery-item:nth-child(9) {
  animation-delay: 0.5s;
}

.gallery-item.tall {
  grid-row: span 2;
}

.gallery-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(123, 168, 189, 0.15);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(44, 62, 80, 0.8), transparent);
  padding: 2rem 1.5rem 1.5rem;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item:hover .gallery-overlay {
  transform: translateY(0);
}

.gallery-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--color-white);
  font-weight: 300;
  margin-bottom: 0.3rem;
}

.gallery-category {
  font-size: 0.75rem;
  color: var(--color-frost);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 300;
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(250, 251, 252, 0.98);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.lightbox.active {
  display: flex;
  opacity: 1;
}

.lightbox-content {
  max-width: 90%;
  max-height: 85vh;
  position: relative;
  animation: zoomIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes zoomIn {
  from {
    transform: scale(0.9);
    opacity: 0;
  }

  to {
    transform: scale(1);
    opacity: 1;
  }
}

.lightbox-content img {
  max-width: 100%;
  max-height: 85vh;
  display: block;
  box-shadow: 0 20px 60px rgba(123, 168, 189, 0.2);
}

.lightbox-info {
  text-align: center;
  margin-top: 2rem;
}

.lightbox-info h3 {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-slate);
  font-weight: 300;
  margin-bottom: 0.5rem;
}

.lightbox-info p {
  font-size: 0.85rem;
  color: var(--color-winter-blue);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 300;
}

.lightbox-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  background: none;
  border: none;
  font-size: 3rem;
  color: var(--color-slate);
  cursor: pointer;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  font-weight: 200;
}

.lightbox-close:hover {
  color: var(--color-winter-blue);
  transform: rotate(90deg);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.9);
  border: none;
  width: 50px;
  height: 50px;
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--color-slate);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-nav:hover {
  background: var(--color-white);
  color: var(--color-winter-blue);
}

.lightbox-prev {
  left: 2rem;
}

.lightbox-next {
  right: 2rem;
}

/* Footer */
footer {
  text-align: center;
  padding: 4rem 2rem 3rem;
  margin-top: 4rem;
  border-top: 1px solid rgba(123, 168, 189, 0.1);
}

footer p {
  color: #1a1a1a;
  font-size: 1rem;
  letter-spacing: 1.5px;
  font-weight: 600;
}

footer a {
  color: var(--color-winter-blue);
  text-decoration: none;
  transition: opacity 0.5s ease;
}

footer a:hover {
  opacity: 0.8;
}

/* About Section */
.about-section {
  max-width: 900px;
  margin: 6rem auto 0;
  padding: 0 3rem;
  text-align: center;
}

.about-section h2 {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 600;
  color: #000;
  margin-bottom: 2rem;
  letter-spacing: 1px;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 3rem;
  text-align: Justify;
}

.about-text p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #1a1a1a;
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.about-image {
  width: 100%;
  height: 400px;
  background: var(--color-frost);
  border-radius: 2px;
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1.5rem;
}

.stat-box {
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(123, 168, 189, 0.15);
  border-radius: 2px;
  text-align: center;
  transition: all 0.3s ease;
}

.stat-box:hover {
  background: rgba(255, 255, 255, 0.9);
  border-color: var(--color-winter-blue);
  transform: translateY(-3px);
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 500;
  color: var(--color-winter-blue);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1.05rem;
  color: var(--color-slate);
  letter-spacing: 0.7px;
  font-weight: 400;
}

/* Contact Section */
.contact-section {
  max-width: 700px;
  margin: 8rem auto 0;
  padding: 0 2rem;
  text-align: center;
}

.contact-section h2 {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 300;
  color: #000;
  margin-bottom: 1rem;
  letter-spacing: 2px;
}

.contact-section p {
  font-size: 1.2rem;
  color: #000;
  margin-bottom: 3rem;
  font-weight: 500;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.form-group label {
  font-size: 0.85rem;
  color: var(--color-slate);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 300;
}

.form-group input,
.form-group textarea {
  padding: 1rem;
  border: 1px solid rgba(123, 168, 189, 0.2);
  background: var(--color-white);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-charcoal);
  border-radius: 2px;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-winter-blue);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.submit-btn {
  padding: 1rem 3rem;
  background: var(--color-slate);
  color: var(--color-white);
  border: none;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 300;
  border-radius: 2px;
}

.submit-btn:hover {
  background: var(--color-winter-blue);
  transform: translateY(-2px);
}

.contact-info {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 3rem;
  flex-wrap: wrap;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #1a1a1a;
  font-size: 0.9rem;
  font-weight: 500;
}

.contact-item a {
  color: var(--color-slate);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-slate);
  cursor: pointer;
}

/* Responsive */
@media (max-width: 768px) {
  .hero {
    padding: 8rem 2rem 6rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
  }

  .mobile-menu-btn {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    display: none;
    box-shadow: 0 10px 30px rgba(123, 168, 189, 0.1);
  }

  .nav-links a {
    padding-top: 0;
  }

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

  .nav-links.active {
    display: flex;
  }

  .lightbox-nav {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }

  .lightbox-prev {
    left: 1rem;
  }

  .lightbox-next {
    right: 1rem;
  }

  .lightbox-close {
    top: 1rem;
    right: 1rem;
    font-size: 2rem;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .about-section h2,
  .contact-section h2 {
    font-size: 2.1rem;
  }

  .contact-info {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 6rem 1.5rem 5rem;
  }

  .hero h1 {
    font-size: 2.1rem;
  }

  .hero p {
    font-size: 0.85rem;
  }

  .filter-buttons {
    gap: 1.5rem;
  }

  .filter-btn {
    font-size: 0.85rem;
  }

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

  .about-stats {
    gap: 0.75rem;
  }

  .stat-box {
    padding: 1rem;
  }

  .stat-number {
    font-size: 1.5rem;
  }

  .stat-label {
    font-size: 0.7rem;
  }
}