:root {
  --color-bg: #0a0a0a;
  --color-surface: #141414;
  --color-text-primary: #ffffff;
  --color-text-secondary: #aaaaaa;
  --color-border: #333333;
  --color-accent: #ffffff;
  --font-main: 'Inter', sans-serif;
  --font-heading: 'Oswald', sans-serif;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-main);
  line-height: 1.6;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 1px;
}

a {
  color: var(--color-text-primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--color-text-secondary);
}

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

/* Base styles for buttons */
.btn {
  display: inline-block;
  padding: 14px 28px;
  background-color: var(--color-text-primary);
  color: var(--color-bg);
  border: 1px solid var(--color-text-primary);
  font-family: var(--font-heading);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn:hover {
  background-color: transparent;
  color: var(--color-text-primary);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-text-primary);
}

.btn-outline:hover {
  background-color: var(--color-text-primary);
  color: var(--color-bg);
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 20px 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: padding 0.3s;
}

.nav-brand {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
}

.logo-img {
  height: 50px;
  width: auto;
  object-fit: contain;
}

.logo-img-footer {
  height: 90px;
  width: auto;
  object-fit: contain;
  margin: 0 auto;
}

.nav-brand .brand-hl {
  color: var(--color-text-secondary);
}

.nav-links {
  display: flex;
  gap: 30px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-links a.nav-btn {
  border: 1px solid var(--color-text-primary);
  padding: 8px 16px;
  border-radius: 2px;
  transition: var(--transition);
}

.nav-links a.nav-btn:hover {
  background-color: var(--color-text-primary);
  color: var(--color-bg);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 0 5%;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.hero-content {
  max-width: 800px;
  margin-top: 100px;
  /* Offset fixed header */
}

.hero-title {
  font-size: 4.5rem;
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  margin-bottom: 40px;
  max-width: 600px;
}

/* Services */
.section {
  padding: 100px 5%;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.section-subtitle {
  color: var(--color-text-secondary);
  font-size: 1rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.service-card {
  background-color: var(--color-surface);
  padding: 40px;
  border: 1px solid var(--color-border);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-text-secondary);
}

.service-icon {
  font-size: 2rem;
  margin-bottom: 20px;
  color: #fff;
}

.service-title {
  font-size: 1.5rem;
  margin-bottom: 15px;
}

.service-desc {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.service-price {
  font-size: 1.2rem;
  font-weight: 600;
  font-family: var(--font-heading);
}

/* Booking form integrated with Google Sheet */
.booking-section {
  background-color: var(--color-surface);
}

.booking-container {
  max-width: 800px;
  margin: 0 auto;
}

.booking-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

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

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-label {
  margin-bottom: 8px;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-secondary);
}

.form-input,
.form-select,
.form-textarea {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  padding: 15px;
  font-family: var(--font-main);
  font-size: 1rem;
  transition: border-color 0.3s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-text-primary);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-submit {
  grid-column: 1 / -1;
  margin-top: 10px;
}

.form-success,
.form-error {
  grid-column: 1 / -1;
  padding: 15px;
  text-align: center;
  font-weight: 500;
  border: 1px solid;
}

.form-success {
  border-color: #4ade80;
  color: #4ade80;
}

.form-error {
  border-color: #f87171;
  color: #f87171;
}

/* Gallery Overview */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1;
  background-color: var(--color-surface);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  filter: grayscale(100%);
}

.gallery-item:hover img {
  transform: scale(1.05);
  filter: grayscale(0%);
}

/* Footer */
.footer {
  border-top: 1px solid var(--color-border);
  padding: 60px 5% 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.footer-logo {
  font-size: 2rem;
  font-family: var(--font-heading);
  margin-bottom: 20px;
}

.footer-info {
  color: var(--color-text-secondary);
  margin-bottom: 30px;
  max-width: 400px;
}

.social-links {
  display: flex;
  gap: 20px;
  margin-bottom: 40px;
}

.social-links a {
  font-size: 1.5rem;
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  width: 100%;
  padding-top: 20px;
  color: var(--color-border);
  font-size: 0.85rem;
}

/* WhatsApp Floating Button */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: #25D366;
  color: #FFF;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
  z-index: 9999;
  transition: transform 0.3s ease;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  color: #FFF;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .hero-title {
    font-size: 3rem;
  }

  .nav-links {
    display: none;
    /* simple hidden for mobile, can add an icon if needed */
  }

  .booking-form {
    grid-template-columns: 1fr;
  }

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

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