/* ========================================
   Bierfiets.eu - Budget Beerbike Amsterdam
   ======================================== */

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --amber: #F59E0B;
  --amber-dark: #D97706;
  --amber-light: #FCD34D;
  --dark: #1F2937;
  --dark-light: #374151;
  --red: #EF4444;
  --red-dark: #DC2626;
  --cream: #FFFBEB;
  --white: #FFFFFF;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-500: #6B7280;
  --gray-700: #374151;
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  --max-width: 1200px;
  --radius: 12px;
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
}

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

body {
  font-family: var(--font-body);
  color: var(--dark);
  line-height: 1.6;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--amber-dark);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--amber);
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Header / Nav --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  transition: box-shadow 0.3s;
}

.header.scrolled {
  box-shadow: var(--shadow);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 6px;
  position: relative;
  z-index: 1001;
}

.logo .logo-img {
  height: 120px;
  width: auto;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.4));
  position: relative;
  top: 45px;
}

.logo span {
  color: var(--amber);
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav a {
  color: var(--dark);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
  position: relative;
}

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

.nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--amber);
  transition: width 0.3s;
}

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

.lang-switch {
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--dark);
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.lang-switch:hover {
  background: var(--amber);
  color: var(--white);
  border-color: var(--amber);
}

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

.hamburger span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--dark);
  border-radius: 2px;
  transition: all 0.3s;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  background: linear-gradient(135deg, rgba(31,41,55,0.82) 0%, rgba(17,24,39,0.78) 50%, rgba(55,65,81,0.82) 100%),
              url('/images/hero-beerbike.webp') center/cover no-repeat;
  position: relative;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero .discount-badge {
  display: inline-block;
  background: var(--red);
  color: var(--white);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 1px;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  color: var(--white);
  margin-bottom: 16px;
}

.hero h1 .highlight {
  color: var(--amber);
}

.hero .subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--gray-300);
  margin-bottom: 12px;
  font-weight: 300;
}

.hero .price-tag {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--amber);
  margin-bottom: 32px;
}

.hero .price-tag small {
  font-size: 0.5em;
  font-weight: 400;
  color: var(--gray-300);
}

.btn {
  display: inline-block;
  padding: 16px 36px;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  transition: all 0.3s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--amber);
  color: var(--dark);
  box-shadow: 0 4px 14px rgba(245,158,11,0.4);
}

.btn-primary:hover {
  background: var(--amber-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245,158,11,0.5);
}

.btn-outline {
  background: transparent;
  color: var(--amber);
  border: 2px solid var(--amber);
}

.btn-outline:hover {
  background: var(--amber);
  color: var(--dark);
}

.btn-red {
  background: var(--red);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(239,68,68,0.4);
}

.btn-red:hover {
  background: var(--red-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(239,68,68,0.5);
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Section base --- */
.section {
  padding: 80px 0;
}

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

.section-cream {
  background: var(--cream);
}

.section-title {
  text-align: center;
  margin-bottom: 48px;
}

.section-title h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  margin-bottom: 12px;
}

.section-title p {
  color: var(--gray-500);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

.section-dark .section-title p {
  color: var(--gray-300);
}

/* --- Tour Cards --- */
.tours-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.tour-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
}

.tour-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.tour-card .card-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--red);
  color: var(--white);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 6px 14px;
  border-radius: 50px;
  text-transform: uppercase;
  z-index: 2;
}

.tour-card .card-image {
  height: 220px;
  background: linear-gradient(135deg, var(--amber) 0%, var(--amber-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  overflow: hidden;
}

.tour-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

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

.tour-card .card-body {
  padding: 24px;
}

.tour-card h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.tour-card .card-desc {
  color: var(--gray-500);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.tour-card .card-details {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.tour-card .card-detail {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--gray-700);
}

.tour-card .card-detail .icon {
  font-size: 1rem;
}

.tour-card .card-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 20px;
}

.tour-card .price-amount {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--amber-dark);
}

.tour-card .price-unit {
  color: var(--gray-500);
  font-size: 0.9rem;
}

.tour-card .btn {
  width: 100%;
  text-align: center;
  font-size: 1rem;
  padding: 14px;
}

/* --- USPs / Why Us --- */
.usps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
}

.usp-item {
  text-align: center;
  padding: 32px 20px;
}

.usp-item .usp-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.usp-item h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--white);
}

.usp-item p {
  color: var(--gray-300);
  font-size: 0.95rem;
}

/* --- How it Works --- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
  counter-reset: step;
}

.step-item {
  text-align: center;
  position: relative;
  padding: 24px;
}

.step-item .step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--amber);
  color: var(--dark);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.step-item h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.step-item p {
  color: var(--gray-500);
  font-size: 0.9rem;
}

/* --- Instagram / Promo --- */
.promo-section {
  background: linear-gradient(135deg, var(--amber) 0%, var(--amber-dark) 100%);
  text-align: center;
  padding: 60px 24px;
}

.promo-section h2 {
  color: var(--dark);
  margin-bottom: 12px;
}

.promo-section p {
  color: rgba(31,41,55,0.8);
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.promo-code {
  display: inline-block;
  background: var(--dark);
  color: var(--amber-light);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.4rem;
  padding: 12px 28px;
  border-radius: 8px;
  margin: 20px 0;
  letter-spacing: 2px;
}

.promo-section .btn {
  margin-top: 8px;
}

/* --- FAQ --- */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--gray-200);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--dark);
  text-align: left;
  line-height: 1.4;
}

.faq-question .faq-icon {
  font-size: 1.5rem;
  transition: transform 0.3s;
  flex-shrink: 0;
  margin-left: 16px;
  color: var(--amber);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 20px;
}

.faq-answer p {
  color: var(--gray-500);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.contact-info p {
  color: var(--gray-500);
  margin-bottom: 24px;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.contact-detail .icon {
  font-size: 1.2rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cream);
  border-radius: 8px;
}

.contact-form {
  background: var(--gray-100);
  padding: 32px;
  border-radius: var(--radius);
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--dark);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--white);
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(245,158,11,0.15);
}

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

.form-honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
}

.form-message {
  padding: 12px 16px;
  border-radius: 8px;
  margin-top: 12px;
  font-size: 0.9rem;
  display: none;
}

.form-message.success {
  background: #D1FAE5;
  color: #065F46;
  display: block;
}

.form-message.error {
  background: #FEE2E2;
  color: #991B1B;
  display: block;
}

/* --- Footer --- */
.footer {
  background: var(--dark);
  color: var(--gray-300);
  padding: 48px 0 24px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: start;
  flex-wrap: wrap;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-brand .logo {
  color: var(--white);
  margin-bottom: 12px;
}

.footer-brand .logo .logo-img {
  height: 80px;
  top: 0;
  filter: none;
}

.footer-brand p {
  font-size: 0.9rem;
  max-width: 300px;
}

.footer-links h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 12px;
}

.footer-links a {
  display: block;
  color: var(--gray-300);
  font-size: 0.9rem;
  margin-bottom: 8px;
  transition: color 0.2s;
}

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

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--dark-light);
  border-radius: 8px;
  color: var(--gray-300);
  font-size: 1.2rem;
  transition: all 0.2s;
}

.footer-social a:hover {
  background: var(--amber);
  color: var(--dark);
}

.footer-bottom {
  border-top: 1px solid var(--dark-light);
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
}

/* --- Mobile Nav --- */
.mobile-nav {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-lg);
  z-index: 999;
  padding: 24px;
}

.mobile-nav.active {
  display: block;
}

.mobile-nav a {
  display: block;
  padding: 12px 0;
  color: var(--dark);
  font-weight: 500;
  font-size: 1.05rem;
  border-bottom: 1px solid var(--gray-100);
}

.mobile-nav a:last-child {
  border-bottom: none;
}

.mobile-nav a:hover {
  color: var(--amber);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .logo .logo-img {
    height: 80px;
  }

  .nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding: 120px 24px 60px;
  }

  .section {
    padding: 60px 0;
  }

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

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

  .footer-content {
    flex-direction: column;
  }

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

@media (max-width: 480px) {
  .logo .logo-img {
    height: 64px;
  }

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

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons .btn {
    width: 100%;
    max-width: 300px;
  }

  .promo-code {
    font-size: 1.1rem;
    padding: 10px 20px;
  }
}