/* ============================================
   HTO Energy — Premium Dark Luxury Styles
   Color Palette: Plum (#1a1210, #2d1f1a, #3d2a24) + Amber/Gold (#c9a84c, #e8d5a3)
   ============================================ */

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

:root {
  --color-bg-darkest: #0d0a08;
  --color-bg-dark: #1a1210;
  --color-bg-medium: #2d1f1a;
  --color-bg-light: #3d2a24;
  --color-bg-lighter: #4a342c;
  --color-gold: #c9a84c;
  --color-gold-light: #e8d5a3;
  --color-gold-dark: #a07e2e;
  --color-plum: #6b3a5d;
  --color-plum-light: #8a4f75;
  --color-text-white: #f5f0eb;
  --color-text-light: #d4c8bc;
  --color-text-muted: #a89888;
  --color-text-dark: #1a1210;
  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition-fast: 0.2s ease;
  --transition-med: 0.4s ease;
  --transition-slow: 0.6s ease;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-darkest);
  color: var(--color-text-light);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
  color: var(--color-gold-light);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--color-gold);
  color: var(--color-text-dark);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 16px;
}

/* ---- Section Tags ---- */
.section-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 16px;
  position: relative;
  padding-left: 32px;
}

.section-tag::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 1px;
  background: var(--color-gold);
}

/* ---- Section Titles ---- */
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-white);
  margin-bottom: 24px;
}

.text-gold {
  color: var(--color-gold);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

.text-center {
  text-align: center;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 14px 32px;
  border-radius: 50px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-gold);
  color: var(--color-text-dark);
  border-color: var(--color-gold);
}

.btn-primary:hover {
  background: var(--color-gold-light);
  border-color: var(--color-gold-light);
  color: var(--color-text-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(201, 168, 76, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--color-text-white);
  border-color: rgba(245, 240, 235, 0.4);
}

.btn-outline:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
}

/* ---- Header ---- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition-med);
}

.site-header.scrolled {
  background: rgba(13, 10, 8, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  box-shadow: 0 1px 0 rgba(201, 168, 76, 0.1);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-text-white);
  letter-spacing: 0.02em;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-list a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-list a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width var(--transition-fast);
}

.nav-list a:hover {
  color: var(--color-gold);
}

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

.nav-cta {
  background: var(--color-gold);
  color: var(--color-text-dark) !important;
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 600 !important;
}

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

.nav-cta:hover {
  background: var(--color-gold-light);
  color: var(--color-text-dark) !important;
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.nav-toggle-line {
  width: 24px;
  height: 2px;
  background: var(--color-text-white);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

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

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

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

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(13, 10, 8, 0.7) 0%,
    rgba(26, 18, 16, 0.85) 50%,
    rgba(13, 10, 8, 0.95) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 120px 24px 80px;
  max-width: 900px;
}

.hero-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 28px;
  padding: 8px 20px;
  border: 1px solid rgba(201, 168, 76, 0.3);
  border-radius: 50px;
  background: rgba(201, 168, 76, 0.08);
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 700;
  line-height: 1.08;
  color: var(--color-text-white);
  margin-bottom: 28px;
  letter-spacing: -0.01em;
}

.hero-headline em {
  font-style: italic;
  color: var(--color-gold);
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-light);
  line-height: 1.8;
  max-width: 640px;
  margin: 0 auto 44px;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.hero-stat {
  text-align: center;
}

.hero-stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1.2;
}

.hero-stat-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(201, 168, 76, 0.3);
}

.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  color: var(--color-gold);
  opacity: 0.6;
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ---- Sections ---- */
.section {
  padding: 120px 0;
}

/* ---- About ---- */
.about {
  background: var(--color-bg-dark);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-image-wrap {
  position: relative;
}

.about-image-wrap img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.about-image-accent {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 200px;
  height: 200px;
  border: 2px solid var(--color-gold);
  border-radius: var(--radius-lg);
  z-index: -1;
  opacity: 0.3;
}

.about-content {
  padding: 20px 0;
}

.about-content p {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.9;
  margin-bottom: 20px;
}

.about-features {
  display: flex;
  gap: 32px;
  margin-top: 40px;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-light);
}

.feature-icon {
  flex-shrink: 0;
}

/* ---- Offerings ---- */
.offerings {
  background: var(--color-bg-darkest);
}

.offerings-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 64px;
}

.offering-card {
  background: var(--color-bg-medium);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-med), box-shadow var(--transition-med);
  border: 1px solid rgba(201, 168, 76, 0.08);
}

.offering-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(201, 168, 76, 0.15);
}

.offering-card-img {
  overflow: hidden;
  height: 240px;
}

.offering-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.offering-card-body {
  padding: 32px;
}

.offering-card-body h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-white);
  margin-bottom: 12px;
}

.offering-card-body p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

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

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 64px;
}

.gallery-item {
  overflow: hidden;
  border-radius: var(--radius-md);
  aspect-ratio: 5/4;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.08);
}

/* ---- Visit ---- */
.visit {
  background: var(--color-bg-darkest);
}

.visit-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--color-bg-medium);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(201, 168, 76, 0.1);
}

.visit-content {
  padding: 64px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.visit-content p {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.9;
  margin-bottom: 40px;
}

.visit-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.visit-detail {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.visit-icon {
  flex-shrink: 0;
  margin-top: 2px;
}

.visit-detail strong {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 4px;
}

.visit-detail span,
.visit-detail a {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

.visit-detail a:hover {
  color: var(--color-gold-light);
}

.visit-map {
  min-height: 400px;
  background: var(--color-bg-light);
}

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-info p {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.9;
  margin-bottom: 40px;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--color-text-light);
  font-size: 0.95rem;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.contact-method:hover {
  color: var(--color-gold);
}

.contact-method svg {
  flex-shrink: 0;
}

/* ---- Form ---- */
.contact-form-wrap {
  background: var(--color-bg-medium);
  border-radius: var(--radius-lg);
  padding: 48px;
  border: 1px solid rgba(201, 168, 76, 0.08);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.form-group input,
.form-group textarea {
  background: var(--color-bg-light);
  border: 1px solid rgba(201, 168, 76, 0.15);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 0.6;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.1);
}

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

.form-success {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: rgba(201, 168, 76, 0.1);
  border: 1px solid rgba(201, 168, 76, 0.3);
  border-radius: var(--radius-sm);
  color: var(--color-gold-light);
  font-size: 0.95rem;
  margin-top: 8px;
}

/* ---- Footer ---- */
.site-footer {
  background: var(--color-bg-darkest);
  border-top: 1px solid rgba(201, 168, 76, 0.1);
  padding: 80px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 64px;
}

.footer-brand p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-top: 16px;
  max-width: 300px;
}

.footer-links h4,
.footer-hours h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-white);
  margin-bottom: 20px;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-gold);
}

.footer-hours p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.footer-bottom {
  border-top: 1px solid rgba(201, 168, 76, 0.08);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer-bottom a {
  color: var(--color-gold);
}

/* ---- Scroll Animations ---- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .visit-card {
    grid-template-columns: 1fr;
  }

  .visit-map {
    min-height: 300px;
  }

  .visit-content {
    padding: 48px;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 80px 0;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--color-bg-medium);
    padding: 100px 40px 40px;
    transition: right var(--transition-med);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
  }

  .main-nav.open {
    right: 0;
  }

  .nav-list {
    flex-direction: column;
    gap: 24px;
    align-items: flex-start;
  }

  .nav-list a {
    font-size: 1rem;
  }

  .hero-headline {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-stats {
    gap: 20px;
  }

  .hero-stat-divider {
    display: none;
  }

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

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .about-image-wrap img {
    height: 350px;
  }

  .about-image-accent {
    display: none;
  }

  .about-features {
    flex-direction: column;
    gap: 16px;
  }

  .contact-form-wrap {
    padding: 32px;
  }

  .visit-content {
    padding: 32px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

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

  .hero-content {
    padding: 100px 16px 60px;
  }
}

/* ---- Reduced Motion ---- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .scroll-indicator {
    animation: none;
    opacity: 0.4;
  }
}