/*
  Style.css for AEC Photobooth
  Direction: Élégance lumineuse
  - Minimalism and space
  - Typographic elegance
  - Warm, luminous, premium feel
*/

/* CSS Variables */
:root {
  --color-bg: #FFFFFF;
  --color-bg-light: #FAF9F6;
  --color-text: #2E2E2E;
  --color-text-light: #555555;
  --color-accent: #D4C8B8; /* warm beige */
  --color-accent-dark: #B8A996;
  --color-muted: #777777;
  --color-border: #E0E0E0;
  --color-shadow: rgba(0,0,0,0.05);
  --color-shadow-md: rgba(0,0,0,0.1);
  --color-white: #FFFFFF;
  --color-danger: #E74C3C;
  --color-success: #2ECC71;

  --font-serif: 'Playfair Display', serif;
  --font-sans: 'Source Sans Pro', sans-serif;

  --font-size-base: 16px;
  --font-size-lg: clamp(1.8rem, 2.5vw, 2.2rem);
  --font-size-xl: clamp(2.2rem, 3vw, 2.8rem);
  --font-size-xxl: clamp(2.8rem, 4vw, 3.6rem);

  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --gap-sm: 0.5rem;
  --gap-md: 1rem;
  --gap-lg: 2rem;
  --gap-xl: 3rem;

  --max-width: 1200px;
  --padding-mobile: 1.5rem;
  --padding-desktop: 3rem;

  --transition-fast: 150ms ease;
  --transition-medium: 300ms ease;
  --transition-slow: 500ms ease;
}
/* Reveal 3D animations */
html.js .reveal-3d {
  opacity: 0;
  transform: perspective(1000px) translateY(60px) rotateX(8deg) scale(0.96);
  will-change: transform, opacity;
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

html.js .reveal-3d.is-visible {
  opacity: 1;
  transform: perspective(1000px) translateY(0) rotateX(0) scale(1);
}

/* For prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  html.js .reveal-3d,
  html.js .reveal-title,
  html.js .reveal-photo,
  html.js .reveal-card,
  html.js .reveal-step,
  html.js .reveal-faq-question,
  html.js .reveal-faq-answer,
  html.js .reveal-contact-left,
  html.js .reveal-contact-form,
  html.js .reveal-3d.is-visible,
  html.js .reveal-title.is-visible,
  html.js .reveal-photo.is-visible,
  html.js .reveal-card.is-visible,
  html.js .reveal-step.is-visible,
  html.js .reveal-faq-question.is-visible,
  html.js .reveal-faq-answer.is-visible,
  html.js .reveal-contact-left.is-visible,
  html.js .reveal-contact-form.is-visible {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* Reset and base styles */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  overflow-x: hidden;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

button,
input,
textarea,
select {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Utility classes */
.container {
  width: 100%;
  max-width: var(--max-width);
  padding-left: var(--padding-mobile);
  padding-right: var(--padding-mobile);
  margin: 0 auto;
}

.section-padding {
  padding-top: var(--gap-xl);
  padding-bottom: var(--gap-xl);
}

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

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

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

.flex {
  display: flex;
  gap: var(--gap-md);
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

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

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.grid {
  display: grid;
  gap: var(--gap-md);
}

.hidden {
  display: none !important;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-serif);
  font-weight: var(--font-weight-bold);
  line-height: 1.3;
  margin-bottom: var(--gap-sm);
}

h1 {
  font-size: var(--font-size-xxl);
}

h2 {
  font-size: var(--font-size-xl);
}

h3 {
  font-size: var(--font-size-lg);
}

p {
  margin-bottom: var(--gap-md);
}

/* Header and Navigation */
.site-header {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 4rem;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  text-decoration: none;
}

.site-nav {
  position: relative;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.hamburger,
.hamburger::before,
.hamburger::after {
  content: '';
  display: block;
  width: 1.5rem;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
  position: relative;
}

.hamburger::before {
  top: -6px;
}

.hamburger::after {
  top: 3px;
}

.nav-menu {
  display: flex;
  gap: var(--gap-lg);
  list-style: none;
}

.nav-menu a {
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  padding: 0.5rem 0;
  position: relative;
}

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

.nav-menu a.cta-primary {
  background-color: var(--color-accent);
  color: var(--color-bg);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: var(--font-weight-semibold);
  transition: var(--transition-fast);
}

.nav-menu a.cta-primary:hover {
  background-color: var(--color-accent-dark);
}

/* Mobile navigation */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 4rem;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-bg);
    flex-direction: column;
    align-items: center;
    padding-top: 3rem;
    gap: 2rem;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
  }

  .nav-menu.open {
    transform: translateX(0);
  }

  .nav-menu.open .hamburger {
    background-color: transparent;
  }

  .nav-menu.open .hamburger::before {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-menu.open .hamburger::after {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .nav-menu a {
    width: 100%;
    text-align: center;
    padding: 1rem 0;
  }

  .nav-menu a.cta-primary {
    width: 80%;
    max-width: 20rem;
  }
}

/* Hero Section */
.hero {
  position: relative;
  overflow: hidden;
  background-color: var(--color-bg-light);
  padding-top: var(--gap-xl);
  padding-bottom: var(--gap-xl);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--gap-lg);
}

.hero-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 12px var(--color-shadow-md);
  aspect-ratio: 16/9;
  object-fit: cover;
}

.hero-content {
  text-align: left;
}

.hero-content h1 {
  margin-bottom: var(--gap-md);
}

.hero-content p {
  color: var(--color-text-light);
  margin-bottom: var(--gap-lg);
  max-width: 35ch;
}

.hero-actions {
  display: flex;
  gap: var(--gap-md);
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  text-align: center;
  cursor: pointer;
  border: none;
  transition: var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-bg);
}

.btn-primary:hover {
  background-color: var(--color-accent-dark);
}

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

.btn-secondary:hover {
  background-color: var(--color-accent);
  color: var(--color-bg);
}

/* Presentation Section */
.presentation {
  background-color: var(--color-bg-light);
}

.presentation-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--gap-lg);
}

.presentation-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 12px var(--color-shadow-md);
  aspect-ratio: 4/3;
  object-fit: cover;
}

.presentation-content {
  text-align: left;
}

.presentation-content h2 {
  margin-bottom: var(--gap-md);
}

.presentation-content p {
  color: var(--color-text-light);
}

/* Events Section */
.events {
  background-color: var(--color-bg);
}

.events h2 {
  text-align: center;
  margin-bottom: var(--gap-lg);
}

.events-grid {
  display: grid;
  gap: var(--gap-lg);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.event-item {
  text-align: center;
  background-color: var(--color-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 8px var(--color-shadow);
  transition: transform var(--transition-medium);
}

.event-item:hover {
  transform: translateY(-4px);
}

.event-image {
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  overflow: hidden;
  aspect-ratio: 16/9;
  object-fit: cover;
  object-position: center;
  background-color: var(--color-bg-light);
  transition: transform var(--transition-medium);
}

.event-item:hover .event-image {
  transform: scale(1.04);
}

.event-content {
  padding: var(--gap-md);
}

.event-content h3 {
  color: var(--color-accent);
  margin-bottom: var(--gap-sm);
}

.event-content p {
  color: var(--color-text-light);
  font-size: 0.9rem;
}

/* How It Works Section */
.how-it-works {
  background-color: var(--color-bg-light);
}

.how-it-works h2 {
  text-align: center;
  margin-bottom: var(--gap-lg);
}

.steps-grid {
  display: grid;
  gap: var(--gap-lg);
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.step {
  text-align: center;
  padding: var(--gap-md);
  background-color: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 8px var(--color-shadow);
}

.step h3 {
  color: var(--color-accent);
  margin-bottom: var(--gap-sm);
}

.step p {
  color: var(--color-text-light);
}


/* Trust Section */
.trust {
  background-color: var(--color-bg-light);
}

.trust h2 {
  text-align: center;
  margin-bottom: var(--gap-lg);
}

.trust-grid {
  display: grid;
  gap: var(--gap-lg);
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.trust-item {
  text-align: center;
  padding: var(--gap-md);
}

.trust-item h3 {
  color: var(--color-accent);
  margin-bottom: var(--gap-sm);
}

.trust-item p {
  color: var(--color-text-light);
}

/* FAQ Section */
.faq {
  background-color: var(--color-bg);
}

.faq h2 {
  text-align: center;
  margin-bottom: var(--gap-lg);
}

.faq-accordion {
  max-width: 600px;
  margin: 0 auto;
}

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

.faq-question {
  width: 100%;
  text-align: left;
  padding: var(--gap-md) 0;
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question::after {
  content: '';
  display: block;
  width: 0.8rem;
  height: 0.8rem;
  border-right: 2px solid var(--color-text);
  border-bottom: 2px solid var(--color-text);
  transform: rotate(-45deg);
  transition: transform var(--transition-fast);
}

.faq-question[aria-expanded="true"]::after {
  transform: rotate(135deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-medium) ease;
  padding: 0 var(--gap-md);
  color: var(--color-text-light);
}

.faq-answer p {
  margin-bottom: var(--gap-sm);
}

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

.contact h2 {
  text-align: center;
  margin-bottom: var(--gap-md);
}

.contact p {
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: var(--gap-lg);
}

.contact-grid {
  display: grid;
  gap: var(--gap-lg);
  grid-template-columns: 1fr;
}

.contact-info {
  background-color: var(--color-bg);
  padding: var(--gap-lg);
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 8px var(--color-shadow);
}

.contact-info h3 {
  color: var(--color-accent);
  margin-bottom: var(--gap-sm);
}

.contact-info p {
  color: var(--color-text-light);
  margin-bottom: var(--gap-md);
}

.contact-list {
  list-style: none;
  padding-left: 0;
}

.contact-list li {
  margin-bottom: var(--gap-sm);
  display: flex;
  align-items: flex-start;
}

.contact-list li::before {
  content: "•";
  color: var(--color-accent);
  font-weight: bold;
  display: inline-block;
  width: 1em;
  margin-left: -1em;
}

.contact-form {
  background-color: var(--color-bg);
  padding: var(--gap-lg);
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 8px var(--color-shadow);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--gap-sm);
}

.form-group label {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--gap-xs);
}

.form-group input,
.form-group textarea {
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(212, 200, 184, 0.2);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.turnstile-container {
  width: 100%;
  height: 78px; /* Turnstile default height */
}

/* Form result */
.form-result {
  padding: var(--gap-md);
  border-radius: var(--radius-md);
  margin-top: var(--gap-md);
  text-align: center;
  font-weight: var(--font-weight-medium);
  min-height: 2rem;
}

.form-result.success {
  background-color: rgba(46, 204, 113, 0.1);
  color: var(--color-success);
  border: 1px solid var(--color-success);
}

.form-result.error {
  background-color: rgba(231, 76, 60, 0.1);
  color: var(--color-danger);
  border: 1px solid var(--color-danger);
}

/* Footer */
.site-footer {
  background-color: var(--color-bg-light);
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--gap-lg);
  padding-top: var(--gap-lg);
  padding-bottom: var(--gap-lg);
}

.footer-info h3 {
  margin-bottom: var(--gap-sm);
}

.footer-info p {
  color: var(--color-text-light);
  font-size: 0.9rem;
}

.footer-links h4,
.footer-contact h4 {
  margin-bottom: var(--gap-sm);
  font-size: 1.1rem;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--gap-sm);
}

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

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

.footer-contact p {
  margin-bottom: var(--gap-sm);
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--gap-md);
  padding-bottom: var(--gap-md);
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* Responsive adjustments */
@media (min-width: 768px) {
  .hero-inner,
  .presentation-inner {
    grid-template-columns: 1fr 1fr;
  }

  .hero-content,
  .presentation-content {
    text-align: left;
  }

  .hero-actions {
    justify-content: flex-start;
  }

  .events-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  }

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

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

  .footer-inner {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}

@media (max-width: 768px) {
  .hero-inner,
  .presentation-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content,
  .presentation-content {
    text-align: center;
  }

  .hero-actions {
    justify-content: center;
  }

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

  .contact-info,
  .contact-form {
    width: 100%;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-info,
  .footer-links,
  .footer-contact {
    margin-bottom: var(--gap-lg);
  }
}
/* Reveal animations */
html.js .reveal-title {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
html.js .reveal-title.is-visible {
  opacity: 1;
  transform: translateY(0);
}

html.js .reveal-photo {
  opacity: 0;
  transform: scale(1.08) translateY(30px) rotateX(2deg);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
html.js .reveal-photo.is-visible {
  opacity: 1;
  transform: scale(1) translateY(0) rotateX(0);
}

html.js .reveal-card {
  opacity: 0;
  transform: translateY(40px) rotateX(5deg) scale(0.95);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
html.js .reveal-card.is-visible {
  opacity: 1;
  transform: translateY(0) rotateX(0) scale(1);
}
/* Stagger for event items */
.events-grid .event-item:nth-child(1) .reveal-card { transition-delay: 0ms; }
.events-grid .event-item:nth-child(2) .reveal-card { transition-delay: 80ms; }
.events-grid .event-item:nth-child(3) .reveal-card { transition-delay: 160ms; }
.events-grid .event-item:nth-child(4) .reveal-card { transition-delay: 240ms; }
.events-grid .event-item:nth-child(5) .reveal-card { transition-delay: 320ms; }

html.js .reveal-step {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
html.js .reveal-step.is-visible {
  opacity: 1;
  transform: translateY(0);
}

html.js .reveal-faq-question {
  opacity: 0;
  transform: translateX(-10px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
html.js .reveal-faq-question.is-visible {
  opacity: 1;
  transform: translateX(0);
}
/* Stagger for FAQ questions */
.faq-accordion .faq-item:nth-child(1) .reveal-faq-question { transition-delay: 0ms; }
.faq-accordion .faq-item:nth-child(2) .reveal-faq-question { transition-delay: 80ms; }
.faq-accordion .faq-item:nth-child(3) .reveal-faq-question { transition-delay: 160ms; }

html.js .reveal-faq-answer {
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease, opacity 0.5s ease;
}
html.js .reveal-faq-answer.is-visible {
  opacity: 1;
  max-height: 500px; /* enough to contain the answer */
}

/* Contact reveal */
html.js .reveal-contact-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
html.js .reveal-contact-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}
html.js .reveal-contact-form {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
html.js .reveal-contact-form.is-visible {
  opacity: 1;
  transform: translateX(0);
}