/* Rever Bols Space - Professional Climbing Centre Website */

/* CSS Variables */
:root {
  /* Architectural Color System */
  --mineral-blue: #1a2332;
  --steel-blue: #2a3441;
  --midnight-blue: #0f1419;
  --deep-slate: #1e293b;
  --architectural-gray: #334155;
  --stone-gray: #475569;

  /* Layered Background Tones */
  --bg-primary: #1a2332;
  --bg-secondary: #2a3441;
  --bg-tertiary: #374151;
  --bg-accent: #4b5563;
  --bg-surface: #1f2937;

  /* Functional Accents */
  --accent-functional: #d4af37; /* muted architectural gold */
  --accent-navigation: #67e8f9; /* soft cyan for interactions */

  /* Typography Colors */
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-accent: #d4af37;

  /* Architectural Whites */
  --architectural-white: #f8fafc;
  --warm-white: #fefefe;

  /* Shadows - Architectural, not decorative */
  --shadow-architectural: 0 4px 16px rgba(15, 20, 25, 0.15);
  --shadow-structural: 0 8px 32px rgba(15, 20, 25, 0.2);

  /* Typography */
  --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  /* Architectural Spacing */
  --space-architectural: 0.25rem;
  --space-structural: 0.5rem;
  --space-room: 1rem;
  --space-zone: 2rem;
  --space-wing: 3rem;
  --space-building: 4rem;
  --space-campus: 6rem;

  /* Architectural Scale */
  --scale-structural: 0.0625rem;
  --scale-architectural: 0.125rem;

  /* Transitions - Calm, architectural */
  --transition-architectural: 0.2s ease;
  --transition-structural: 0.4s ease;
}

/* Architectural Reset */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2vw, 1.125rem);
  line-height: 1.5;
  font-weight: 400;
  color: var(--text-secondary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Architectural Typography System */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 0;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-building);
}

h3 {
  font-size: clamp(1.375rem, 3vw, 1.875rem);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-zone);
}

h4 {
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-room);
}

p {
  margin: 0 0 var(--space-zone) 0;
  color: var(--text-secondary);
  font-size: inherit;
  line-height: 1.6;
}

strong, b {
  font-weight: 600;
  color: var(--text-primary);
}

/* Architectural Links */
a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-architectural);
}

a:hover, a:focus {
  color: var(--accent-navigation);
  outline: none;
}

/* Architectural Layout System */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-wing);
}

.zone {
  padding: var(--space-campus) 0;
  position: relative;
}

.zone--structural {
  background: var(--bg-secondary);
  border-top: 1px solid var(--bg-tertiary);
  border-bottom: 1px solid var(--bg-tertiary);
}

.zone--accent {
  background: var(--bg-tertiary);
}

.zone--primary {
  background: var(--bg-primary);
}

/* Architectural Grid System */
.grid {
  display: grid;
  gap: var(--space-building);
}

.grid--asymmetrical {
  grid-template-columns: 2fr 1fr;
}

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

.grid--rhythm {
  grid-template-columns: 1fr 2fr 1fr;
}

.grid--zones {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-building);
}

/* Architectural Spacing Utilities */
.architectural-margin {
  margin-bottom: var(--space-building);
}

.architectural-margin--large {
  margin-bottom: var(--space-campus);
}

.architectural-padding {
  padding: var(--space-building);
}

.architectural-padding--vertical {
  padding-top: var(--space-building);
  padding-bottom: var(--space-building);
}

/* Architectural Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(26, 35, 50, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--bg-tertiary);
  z-index: 1000;
  transition: background var(--transition-structural);
}

.header--scrolled {
  background: rgba(26, 35, 50, 0.98);
  border-bottom: 2px solid var(--bg-accent);
}

.header__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-zone) 0;
  min-height: 4rem;
}

.logo {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: var(--space-structural);
}

.logo::before {
  content: '';
  width: 24px;
  height: 24px;
  background: var(--accent-functional);
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
  transform: rotate(45deg);
}

/* Architectural Navigation */
.nav {
  display: flex;
  align-items: center;
}

.nav__list {
  display: flex;
  gap: var(--space-building);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__link {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  padding: var(--space-architectural) var(--space-structural);
  transition: all var(--transition-architectural);
  position: relative;
}

.nav__link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 1px;
  background: var(--accent-navigation);
  transition: all var(--transition-architectural);
  transform: translateX(-50%);
}

.nav__link:hover::before,
.nav__link--active::before {
  width: 100%;
}

.nav__link:hover,
.nav__link--active {
  color: var(--text-primary);
}

/* Architectural Mobile Menu */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-structural);
  border-radius: var(--scale-architectural);
  transition: background var(--transition-architectural);
  width: 40px;
  height: 40px;
}

.mobile-menu-btn:hover {
  background: var(--bg-tertiary);
}

.mobile-menu-btn__line {
  width: 20px;
  height: 1px;
  background: var(--text-secondary);
  transition: all var(--transition-architectural);
  transform-origin: center;
}

.mobile-menu-btn--open .mobile-menu-btn__line:nth-child(1) {
  transform: rotate(45deg) translate(0, 0);
}

.mobile-menu-btn--open .mobile-menu-btn__line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn--open .mobile-menu-btn__line:nth-child(3) {
  transform: rotate(-45deg) translate(0, 0);
}

/* Architectural Opening Section */
.opening {
  min-height: 100vh;
  background: var(--bg-primary);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.opening::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 50%, var(--bg-tertiary) 100%);
  z-index: 1;
}

.opening::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--accent-functional) 20%, var(--accent-functional) 80%, transparent 100%);
  opacity: 0.3;
  z-index: 2;
}

.opening__container {
  position: relative;
  z-index: 3;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-wing);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-building);
}

.opening__statement {
  text-align: center;
  margin-bottom: var(--space-zone);
}

.opening__title {
  margin: 0;
  position: relative;
  display: inline-block;
}

.opening__title::before {
  content: '';
  position: absolute;
  top: -30px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--accent-functional);
}

.opening__title::after {
  content: '';
  position: absolute;
  bottom: -30px;
  right: 0;
  width: 40px;
  height: 2px;
  background: var(--accent-functional);
}

.opening__divider {
  width: 100%;
  max-width: 600px;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--bg-accent) 20%, var(--bg-accent) 80%, transparent 100%);
  position: relative;
}

.opening__divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background: var(--accent-functional);
  border-radius: 50%;
}

.opening__visual {
  position: relative;
  width: 100%;
  max-width: 500px;
}

.opening__frame {
  position: relative;
  padding: var(--space-building);
  background: rgba(42, 52, 65, 0.05);
  border: 1px solid var(--bg-tertiary);
  border-radius: var(--scale-architectural);
}

.opening__frame::before {
  content: '';
  position: absolute;
  top: var(--space-room);
  left: var(--space-room);
  right: var(--space-room);
  bottom: var(--space-room);
  border: 1px solid rgba(212, 175, 55, 0.1);
  border-radius: calc(var(--scale-architectural) - 2px);
  pointer-events: none;
}

.opening__image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: calc(var(--scale-architectural) - 3px);
  box-shadow: var(--shadow-architectural);
}

/* Architectural Mission Section */
.mission {
  background: var(--bg-secondary);
  border-top: 1px solid var(--bg-tertiary);
}

.mission__content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

/* Editorial Reviews Section */
.reviews {
  background: var(--bg-primary);
  border-top: 1px solid var(--bg-tertiary);
}

.reviews__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-campus);
}

.reviews__column {
  display: flex;
  flex-direction: column;
  gap: var(--space-building);
}

.review {
  border-left: 2px solid var(--accent-functional);
  padding-left: var(--space-zone);
  position: relative;
}

.review::before {
  content: '"';
  position: absolute;
  top: -0.5rem;
  left: var(--space-room);
  font-size: 3rem;
  color: var(--accent-functional);
  font-family: serif;
  line-height: 1;
}

.review__author {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-architectural);
  font-size: 0.9rem;
}

.review__text {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 0.95rem;
  margin: 0;
}

/* Architectural About Section */
.about {
  background: var(--bg-tertiary);
  border-top: 1px solid var(--bg-accent);
  border-bottom: 1px solid var(--bg-accent);
}

.about__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-campus);
  align-items: start;
}

.about__content {
  padding: var(--space-building) 0;
}

.about__image {
  position: relative;
  height: 400px;
  overflow: hidden;
  border-radius: var(--scale-architectural);
}

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

/* Architectural Statistics */
.statistics {
  background: var(--bg-secondary);
}

.statistics__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-building);
}

.statistic {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-zone);
  align-items: start;
  padding: var(--space-building) 0;
  border-bottom: 1px solid var(--bg-tertiary);
}

.statistic:last-child {
  border-bottom: none;
}

.statistic__number {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--accent-functional);
  line-height: 1;
  letter-spacing: -0.02em;
}

.statistic__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-architectural);
}

.statistic__title {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 1.1rem;
  margin: 0;
}

.statistic__description {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0;
  line-height: 1.4;
}

/* Architectural Fees Section */
.fees {
  background: var(--bg-tertiary);
  border-top: 1px solid var(--bg-accent);
}

.fees__content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

/* Architectural Principles */
.principles {
  background: var(--bg-primary);
}

.principles__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-building);
}

.principle {
  border-left: 2px solid var(--accent-functional);
  padding-left: var(--space-zone);
  position: relative;
}

.principle::before {
  content: '•';
  position: absolute;
  left: calc(var(--space-zone) - 0.75rem);
  top: 0;
  color: var(--accent-functional);
  font-weight: bold;
  font-size: 1.2rem;
}

/* Architectural Inquiry Section */
.inquiry {
  background: var(--bg-secondary);
  border-top: 2px solid var(--accent-functional);
  text-align: center;
}

/* Architectural Actions */
.action {
  display: inline-block;
  padding: var(--space-room) var(--space-zone);
  background: transparent;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  border: 1px solid var(--accent-functional);
  transition: all var(--transition-architectural);
  position: relative;
}

.action::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--accent-functional);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-architectural);
  z-index: -1;
}

.action:hover {
  color: var(--bg-primary);
  border-color: var(--accent-functional);
}

.action:hover::before {
  transform: scaleX(1);
}

.action--primary {
  background: var(--accent-functional);
  color: var(--bg-primary);
  border-color: var(--accent-functional);
}

/* Architectural Content Styling */
.architectural-margin p:first-child {
  margin-top: 0;
}

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

/* Terms and Conditions Styling */
.terms-content {
  max-width: 800px;
  margin: 0 auto;
}

.terms-meta {
  margin-bottom: var(--space-building);
  padding: var(--space-building);
  background: var(--bg-secondary);
  border-radius: var(--scale-architectural);
}

.terms-meta p {
  margin-bottom: var(--space-room);
}

.terms-meta .contact-info p {
  margin-bottom: var(--space-structural);
  font-size: 0.9rem;
}

.terms-sections {
  display: flex;
  flex-direction: column;
  gap: var(--space-building);
}

.terms-section {
  padding: var(--space-building);
  background: var(--bg-primary);
  border: 1px solid var(--bg-tertiary);
  border-radius: var(--scale-architectural);
  border-left: 3px solid var(--accent-functional);
}

.terms-section h3 {
  color: var(--text-primary);
  margin-bottom: var(--space-room);
  font-size: 1.2rem;
}

.terms-section h4 {
  color: var(--text-primary);
  margin: var(--space-room) 0 var(--space-structural) 0;
  font-size: 1rem;
  font-weight: 600;
}

.terms-section ul {
  margin: var(--space-room) 0;
  padding-left: var(--space-zone);
}

.terms-section li {
  margin-bottom: var(--space-structural);
  position: relative;
}

.terms-section li::before {
  content: '•';
  position: absolute;
  left: -var(--space-zone);
  color: var(--accent-functional);
  font-weight: bold;
}

.terms-section .contact-info {
  margin-top: var(--space-room);
  padding: var(--space-room);
  background: var(--bg-secondary);
  border-radius: calc(var(--scale-architectural) - 1px);
}

.terms-section .contact-info p {
  margin-bottom: var(--space-structural);
  font-size: 0.9rem;
}

/* Contact Grid */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-building);
}

.contact-item {
  background: var(--bg-secondary);
  border: 1px solid var(--bg-tertiary);
  border-radius: var(--scale-architectural);
  padding: var(--space-building);
  text-align: center;
  transition: border-color var(--transition-architectural);
}

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

.contact-icon {
  font-size: 2rem;
  margin-bottom: var(--space-room);
}

.contact-item h3 {
  color: var(--text-primary);
  margin-bottom: var(--space-room);
  font-size: 1.1rem;
}

.contact-item p {
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

/* Program Cards */
.program-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-building);
}

.program-card {
  border: 1px solid var(--bg-tertiary);
  border-radius: var(--scale-architectural);
  background: var(--bg-primary);
  overflow: hidden;
  transition: border-color var(--transition-architectural);
}

.program-card:hover {
  border-color: var(--accent-functional);
}

.program-card--full {
  grid-column: 1 / -1;
  max-width: 800px;
  margin: 0 auto;
}

.program-header {
  padding: var(--space-zone);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--bg-tertiary);
}

.program-header h3 {
  margin: 0 0 var(--space-structural) 0;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.program-price {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--accent-functional);
  line-height: 1.2;
}

.program-content {
  padding: var(--space-zone);
}

.program-content ul {
  margin: var(--space-room) 0;
  padding-left: var(--space-zone);
}

.program-content li {
  margin-bottom: var(--space-structural);
  position: relative;
}

.program-content li::before {
  content: '•';
  position: absolute;
  left: -var(--space-zone);
  color: var(--accent-functional);
  font-weight: bold;
}

.program-content p {
  margin: var(--space-room) 0;
}

.program-content p strong {
  color: var(--text-primary);
}

/* Rental Grid */
.rental-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-zone);
  margin-bottom: var(--space-zone);
}

.rental-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-room);
  background: var(--bg-secondary);
  border: 1px solid var(--bg-tertiary);
  border-radius: var(--scale-architectural);
}

.rental-item--featured {
  background: var(--bg-tertiary);
  border-color: var(--accent-functional);
}

.rental-name {
  font-weight: 500;
  color: var(--text-primary);
}

.rental-price {
  font-weight: 600;
  color: var(--accent-functional);
  font-size: 1.1rem;
}

/* Architectural Footer */
.footer {
  background: var(--bg-surface);
  border-top: 2px solid var(--bg-tertiary);
  padding: var(--space-campus) 0 var(--space-building);
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-campus);
}

.footer__section h4 {
  color: var(--text-primary);
  margin-bottom: var(--space-zone);
  font-size: 1rem;
  font-weight: 600;
}

.footer__logo {
  margin-bottom: var(--space-zone);
}

.footer__contacts {
  margin-top: var(--space-building);
  padding-top: var(--space-building);
  border-top: 1px solid var(--bg-tertiary);
}

.footer__contacts p {
  margin-bottom: var(--space-structural);
  font-size: 0.9rem;
}

.footer__links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer__link {
  color: var(--text-secondary);
  text-decoration: none;
  display: block;
  margin-bottom: var(--space-room);
  font-size: 0.9rem;
  transition: color var(--transition-architectural);
}

.footer__link:hover {
  color: var(--accent-navigation);
}

.footer__attribution {
  margin-top: var(--space-building);
  padding-top: var(--space-building);
  border-top: 1px solid var(--bg-tertiary);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Architectural Page Header */
.page-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--bg-tertiary);
  padding: var(--space-campus) 0;
  text-align: center;
}

.page-header h1 {
  color: var(--text-primary);
  margin-bottom: var(--space-zone);
}

/* Pricing Cards */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.pricing-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 24px var(--shadow);
  border: 1px solid rgba(251, 191, 36, 0.2);
  overflow: hidden;
  transition: transform var(--transition-normal);
}

.pricing-card:hover {
  transform: translateY(-4px);
}

.pricing-card__header {
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-cobalt));
  color: var(--text-light);
  padding: var(--space-lg);
  text-align: center;
}

.pricing-card__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.pricing-card__price {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-yellow);
}

.pricing-card__content {
  padding: var(--space-lg);
}

.pricing-card__features {
  list-style: none;
  margin-bottom: var(--space-lg);
}

.pricing-card__feature {
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.pricing-card__feature::before {
  content: '✓';
  color: var(--accent-cyan);
  font-weight: bold;
}

/* Architectural FAQ Cards */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  gap: var(--space-building);
}

.faq-card {
  background: var(--bg-primary);
  border: 1px solid var(--bg-tertiary);
  border-radius: var(--scale-architectural);
  overflow: hidden;
  transition: border-color var(--transition-architectural), box-shadow var(--transition-architectural);
}

.faq-card:hover {
  border-color: var(--accent-functional);
  box-shadow: var(--shadow-architectural);
}

.faq-card__header {
  display: flex;
  align-items: center;
  padding: var(--space-building);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--bg-tertiary);
  cursor: pointer;
  transition: background var(--transition-architectural);
}

.faq-card__header:hover {
  background: var(--bg-tertiary);
}

.faq-card__number {
  width: 40px;
  height: 40px;
  background: var(--accent-functional);
  color: var(--bg-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1.1rem;
  margin-right: var(--space-room);
  flex-shrink: 0;
}

.faq-card__question {
  flex: 1;
  margin: 0;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.3;
}

.faq-card__toggle {
  margin-left: var(--space-room);
}

.faq-card__icon {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--accent-functional);
  transition: transform var(--transition-architectural);
}

.faq-card--open .faq-card__icon {
  transform: rotate(45deg);
}

.faq-card__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-structural);
}

.faq-card--open .faq-card__content {
  max-height: 500px;
}

.faq-card__answer {
  padding: var(--space-building);
  color: var(--text-secondary);
  line-height: 1.6;
}

.faq-card__answer p {
  margin: 0;
}

/* Contact Form */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

/* Architectural Contact Form */
.contact-form {
  background: var(--bg-primary);
  border: 1px solid var(--bg-tertiary);
  border-radius: var(--scale-architectural);
  padding: var(--space-building);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-zone);
  margin-bottom: var(--space-building);
}

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

.form-field:has(.form-input:focus) .form-label,
.form-field:has(.form-textarea:focus) .form-label {
  color: var(--accent-functional);
}

.form-label {
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-structural);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: color var(--transition-architectural);
}

.form-input,
.form-textarea,
.form-input:focus,
.form-textarea:focus {
  width: 100%;
  padding: var(--space-room);
  background: var(--bg-secondary);
  border: 1px solid var(--bg-tertiary);
  border-radius: calc(var(--scale-architectural) - 1px);
  font-family: inherit;
  font-size: 1rem;
  color: var(--text-primary);
  transition: all var(--transition-architectural);
  outline: none;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--accent-functional);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
  background: var(--bg-primary);
}

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

.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.5;
}

.form-consent {
  display: flex;
  align-items: flex-start;
  gap: var(--space-structural);
  margin-bottom: var(--space-building);
  cursor: pointer;
}

.form-checkbox {
  margin-top: 2px;
  width: 18px;
  height: 18px;
  accent-color: var(--accent-functional);
}

.form-consent-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.form-actions {
  margin-bottom: var(--space-building);
}

.form-submit {
  width: 100%;
  padding: var(--space-room) var(--space-zone);
  background: var(--accent-functional);
  color: var(--bg-primary);
  border: 1px solid var(--accent-functional);
  border-radius: var(--scale-architectural);
  font-weight: 500;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-architectural);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-submit:hover {
  background: var(--bg-primary);
  color: var(--accent-functional);
  box-shadow: var(--shadow-architectural);
}

.form-footer {
  text-align: center;
  padding-top: var(--space-room);
  border-top: 1px solid var(--bg-tertiary);
}

.form-footer p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}

.form-link {
  color: var(--accent-navigation);
  text-decoration: none;
  transition: color var(--transition-architectural);
}

.form-link:hover {
  color: var(--accent-functional);
}

/* Architectural Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-zone);
  }

  .zone {
    padding: var(--space-building) 0;
  }

  .header__container {
    padding: var(--space-room) 0;
  }

  .nav {
    position: fixed;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    flex-direction: column;
    gap: 0;
    padding: var(--space-building);
    box-shadow: var(--shadow-architectural);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-structural);
    border-top: 1px solid var(--bg-tertiary);
  }

  .nav--open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__list {
    flex-direction: column;
    gap: var(--space-room);
    width: 100%;
  }

  .nav__link {
    padding: var(--space-room);
    border-radius: var(--scale-architectural);
    transition: background var(--transition-architectural);
  }

  .nav__link:hover {
    background: var(--bg-tertiary);
  }

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

  .opening {
    min-height: auto;
    padding: var(--space-building) 0;
  }

  .opening__container {
    padding: 0 var(--space-zone);
    gap: var(--space-zone);
  }

  .opening__statement {
    margin-bottom: var(--space-room);
  }

  .opening__title {
    font-size: clamp(2.5rem, 8vw, 3.5rem);
  }

  .opening__title::before,
  .opening__title::after {
    display: none;
  }

  .opening__divider {
    max-width: 400px;
  }

  .opening__visual {
    max-width: 350px;
  }

  .opening__frame {
    padding: var(--space-zone);
  }

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

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

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

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

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

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

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

  .form-grid {
    grid-template-columns: 1fr;
    gap: var(--space-room);
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-building);
  }
}

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

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

  .hero {
    min-height: auto;
    padding: var(--space-2xl) 0 var(--space-xl);
  }

  .btn {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.9rem;
  }
}

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

/* Focus states */
.nav__link:focus,
.btn:focus,
.form-input:focus,
.form-textarea:focus {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}

/* Print styles */
@media print {
  .header,
  .footer,
  .btn {
    display: none !important;
  }

  body {
    font-size: 12pt;
    line-height: 1.4;
  }

  .section {
    page-break-inside: avoid;
  }
}