/* ============================================
   Paris Bike Rental — Minimalist Luxury
   Black + Shimmering Gold | Apple-sans | Mobile-first
   ============================================ */

:root {
  --bg: #0a0a0a;
  --bg-soft: #141414;
  --bg-card: rgba(20, 20, 20, 0.6);
  --fg: #f5f5f7;
  --fg-dim: #a1a1a6;
  --fg-mute: #6e6e73;
  --gold: #d4af37;
  --gold-light: #f4e5a1;
  --gold-deep: #8b6914;
  --border: rgba(212, 175, 55, 0.18);
  --border-strong: rgba(212, 175, 55, 0.45);
  --radius: 18px;
  --radius-sm: 10px;
  --shadow-soft: 0 8px 32px rgba(0, 0, 0, 0.6);
  --shadow-gold: 0 0 24px rgba(212, 175, 55, 0.25);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

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

html, body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
  letter-spacing: -0.01em;
}

body {
  position: relative;
  padding-bottom: env(safe-area-inset-bottom);
}

/* ============================================
   Paris Map + Eiffel Backdrop (faded, tilt-shift)
   ============================================ */
.backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}
.backdrop::before {
  content: "";
  position: absolute;
  inset: -10%;
  background:
    radial-gradient(ellipse 60% 40% at 50% 60%, rgba(212,175,55,0.08), transparent 70%),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 800 800'><defs><pattern id='p' width='40' height='40' patternUnits='userSpaceOnUse'><path d='M0 20h40M20 0v40' stroke='%23d4af37' stroke-width='0.3' opacity='0.15'/></pattern></defs><rect width='800' height='800' fill='url(%23p)'/></svg>");
  filter: blur(1.5px);
  opacity: 0.35;
}
.backdrop::after {
  content: "";
  position: absolute;
  bottom: 8%;
  left: 50%;
  transform: translateX(-50%);
  width: 60vw;
  max-width: 320px;
  aspect-ratio: 1 / 2;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 200'><path d='M50 10 L42 60 L30 130 L15 195 L85 195 L70 130 L58 60 Z M50 10 L50 195 M35 90 L65 90 M30 130 L70 130' stroke='%23d4af37' stroke-width='1' fill='none' opacity='0.5'/></svg>") center/contain no-repeat;
  opacity: 0.18;
  filter: blur(0.8px);
}

/* Tilt-shift focal blur edges */
.tilt-shift {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(to bottom, var(--bg) 0%, transparent 25%, transparent 75%, var(--bg) 100%);
}

/* ============================================
   Layout
   ============================================ */
.wrap {
  max-width: 480px;
  margin: 0 auto;
  padding: 24px 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0 24px;
}

.brand {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: linear-gradient(120deg, var(--gold-light), var(--gold), var(--gold-deep), var(--gold), var(--gold-light));
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 6s linear infinite;
}

@keyframes shimmer {
  0%   { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

.lang-toggle {
  font-size: 13px;
  color: var(--fg-dim);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  height: 44vh;
  min-height: 280px;
  margin: 12px 0 28px;
  border-radius: var(--radius);
  overflow: visible;
  perspective: 1200px;
}

#hero-stage {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transform-style: preserve-3d;
}

.hero-title {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  text-align: center;
  font-size: clamp(26px, 6.5vw, 36px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  z-index: 2;
  padding: 0 12px;
}
.hero-title .accent,
.accent {
  display: inline-block;
  margin-top: 4px;
  background: linear-gradient(120deg, var(--gold-light), var(--gold), var(--gold-deep), var(--gold), var(--gold-light));
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 5s linear infinite;
}

.hero-sub {
  position: absolute;
  top: 110px;
  left: 0;
  right: 0;
  text-align: center;
  color: var(--fg-dim);
  font-size: 14px;
  z-index: 2;
}

/* ============================================
   CTAs
   ============================================ */
.cta-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 8px;
}

.btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 56px;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: none;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
  overflow: hidden;
  text-decoration: none;
}

.btn:active { transform: scale(0.97); }

.btn-gold {
  background: linear-gradient(135deg, var(--gold-light), var(--gold) 50%, var(--gold-deep));
  color: #1a1407;
  box-shadow: var(--shadow-gold);
}
.btn-gold::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,0.4) 50%, transparent 70%);
  transform: translateX(-100%);
  animation: sweep 3.5s var(--ease) infinite;
}
@keyframes sweep {
  0%   { transform: translateX(-100%); }
  60%  { transform: translateX(100%); }
  100% { transform: translateX(100%); }
}

.btn-ghost {
  background: var(--bg-card);
  color: var(--fg);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.btn-full { grid-column: 1 / -1; }

/* ============================================
   Cards / Sections
   ============================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: var(--shadow-soft);
  margin-bottom: 16px;
}

.card h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.card p {
  color: var(--fg-dim);
  font-size: 14px;
  line-height: 1.55;
}

.row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.row:last-child { border-bottom: none; }
.row .label { color: var(--fg-dim); font-size: 14px; }
.row .value { font-weight: 600; font-size: 15px; }

/* ============================================
   Forms
   ============================================ */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="password"],
input[type="file"],
textarea,
select {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  color: var(--fg);
  font-family: var(--font);
  font-size: 15px;
  outline: none;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
input:focus, textarea:focus, select:focus {
  border-color: var(--border-strong);
  background: rgba(255,255,255,0.06);
}
label {
  display: block;
  font-size: 13px;
  color: var(--fg-dim);
  margin: 14px 0 6px;
  letter-spacing: 0.02em;
}

/* ============================================
   Floating tappable objects
   ============================================ */
.float-obj {
  position: absolute;
  width: 64px;
  height: 64px;
  cursor: pointer;
  transition: transform 0.5s var(--ease);
  filter: drop-shadow(0 6px 16px rgba(212, 175, 55, 0.4));
  z-index: 3;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.float-obj:active { transform: scale(1.15); }

/* ============================================
   Footer
   ============================================ */
footer {
  margin-top: auto;
  padding: 32px 0 16px;
  text-align: center;
  color: var(--fg-mute);
  font-size: 12px;
  letter-spacing: 0.04em;
}
footer a { color: var(--fg-dim); text-decoration: none; margin: 0 8px; }

/* ============================================
   Helpers
   ============================================ */
.gold { color: var(--gold); }
.center { text-align: center; }
.mt-l { margin-top: 24px; }
.hidden { display: none !important; }

.spinner {
  width: 28px; height: 28px;
  border: 2px solid var(--border);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
  margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }