/* ============================================================
   Atelière Studio — Custom Stylesheet
   Supplements Tailwind CSS with component classes and
   animation utilities that Tailwind CDN cannot generate.
   ============================================================ */

/* ── Base ── */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ── Scroll performance ── */
html, body {
  overflow-x: hidden;
}

/* GPU-accelerate fixed header to avoid repaint on scroll */
#main-header {
  will-change: background-color, box-shadow;
  transform: translateZ(0);
}

/* Hamburger — always visible: solid bg on mobile */
@media (max-width: 1023px) {
  #main-header {
    background-color: #1C1C1C !important;
    backdrop-filter: none !important;
  }
}

/* ── Legal Dialog (native <dialog>) ── */
.legal-dialog {
  position: fixed;
  inset: 0;
  width: 100%;
  max-width: 100%;
  height: 100%;
  max-height: 100%;
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  z-index: 9999;
  display: none;
}
.legal-dialog[open] {
  display: flex;
  align-items: center;
  justify-content: center;
}
.legal-dialog::backdrop {
  background: rgba(28, 28, 28, 0.75);
  backdrop-filter: blur(4px);
}

.legal-dialog__inner {
  background: #fff;
  width: min(680px, 94vw);
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 32px 80px rgba(0,0,0,0.25);
  overflow: hidden;
}

.legal-dialog__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid rgba(28,28,28,0.08);
  flex-shrink: 0;
  background: #fff;
}

.legal-dialog__title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.5rem;
  color: #1C1C1C;
  margin: 0;
}

.legal-dialog__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid rgba(28,28,28,0.15);
  background: transparent;
  color: #1C1C1C;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  flex-shrink: 0;
}
.legal-dialog__close:hover {
  border-color: #C9A07A;
  background: #F7F4EF;
}

.legal-dialog__effective {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.75rem;
  color: rgba(28,28,28,0.4);
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem !important;
}

.legal-dialog__body {
  padding: 2rem;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  color: rgba(28,28,28,0.7);
  line-height: 1.75;
}

.legal-dialog__body h3 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.1rem;
  color: #1C1C1C;
  margin: 1.75rem 0 0.5rem;
}
.legal-dialog__body h3:first-of-type { margin-top: 0; }

.legal-dialog__body p {
  margin: 0 0 0.75rem;
}

.legal-dialog__body a {
  color: #C9A07A;
  text-decoration: underline;
}

.legal-dialog__body strong {
  color: #1C1C1C;
  font-weight: 500;
}

/* Prevent repaint on hover-scaled images */
.portfolio-card {
  isolation: isolate;
}
.portfolio-card img {
  will-change: transform;
  transform: translate3d(0, 0, 0) scale(1);
  backface-visibility: hidden;
  transition: transform 700ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.portfolio-card:hover img {
  transform: translate3d(0, 0, 0) scale(1.05);
}
.hero img {
  will-change: auto;
  transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  background-color: #C9A07A;
  color: #1C1C1C;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
  white-space: nowrap;
}
.btn-primary:hover {
  background-color: #A87C52;
  box-shadow: 0 8px 24px rgba(201, 160, 122, 0.3);
}
.btn-primary:active { transform: translateY(1px); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  border: 1px solid rgba(247, 244, 239, 0.4);
  color: #F7F4EF;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: border-color 0.3s ease, background-color 0.3s ease;
}
.btn-secondary:hover {
  border-color: rgba(201, 160, 122, 0.7);
  background-color: rgba(201, 160, 122, 0.08);
  color: #C9A07A;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  border: 1px solid #1C1C1C;
  color: #1C1C1C;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: border-color 0.3s ease, background-color 0.3s ease, color 0.3s ease;
}
.btn-outline:hover {
  background-color: #1C1C1C;
  color: #F7F4EF;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  border: 1px solid rgba(247, 244, 239, 0.25);
  color: rgba(247, 244, 239, 0.7);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: all 0.3s ease;
}
.btn-ghost:hover {
  border-color: rgba(201, 160, 122, 0.5);
  color: #C9A07A;
}

/* ── Hero animations ── */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.animate-fade-up {
  animation: fade-up 0.8s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  opacity: 0;
}

/* ── Portfolio card hover ── */
.portfolio-card {
  position: relative;
  cursor: pointer;
  transition: box-shadow 0.4s ease;
}
.portfolio-card:hover {
  box-shadow: 0 20px 60px rgba(28, 28, 28, 0.15);
}

/* ── Scroll-triggered animation ── */
[data-animate] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
[data-animate].in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #F7F4EF; }
::-webkit-scrollbar-thumb { background: #C9A07A; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #A87C52; }

/* ── Selection color ── */
::selection { background: rgba(201, 160, 122, 0.3); color: #1C1C1C; }

/* ── Focus styles ── */
:focus-visible {
  outline: 2px solid #C9A07A;
  outline-offset: 3px;
}

/* ── Form elements ── */
.form-input {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid rgba(28, 28, 28, 0.15);
  background: transparent;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  color: #1C1C1C;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  outline: none;
  -webkit-appearance: none;
}
.form-input::placeholder { color: rgba(28, 28, 28, 0.35); }
.form-input:focus {
  border-color: #C9A07A;
  box-shadow: 0 0 0 3px rgba(201, 160, 122, 0.12);
}
.form-input.error { border-color: #e53e3e; }

.form-label {
  display: block;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(28, 28, 28, 0.5);
  margin-bottom: 0.5rem;
}

select.form-input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23C9A07A'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1.1rem;
  padding-right: 2.5rem;
  cursor: pointer;
}

/* ── Page transition overlay ── */
.page-transition {
  position: fixed;
  inset: 0;
  background: #1C1C1C;
  z-index: 9999;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.divider-gold {
  width: 40px;
  height: 1px;
  background: linear-gradient(to right, #C9A07A, transparent);
  margin: 1.5rem 0;
}

/* ── Responsive video wrapper ── */
.video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
}
.video-wrapper iframe,
.video-wrapper video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}