/* ============================================================
   PriceMyBottle — Global Stylesheet
   ============================================================ */

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

:root {
  --color-bg:          #0f0d0a;
  --color-surface:     #1a1710;
  --color-surface-2:   #252118;
  --color-border:      #3a3428;
  --color-amber:       #c8861a;
  --color-amber-light: #e8a832;
  --color-amber-pale:  #f5d187;
  --color-text:        #e8e0d0;
  --color-text-muted:  #9a8e78;
  --color-text-faint:  #5a5040;
  --color-white:       #ffffff;
  --color-danger:      #b84a2e;

  --font-serif:   'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans:    'Inter', system-ui, -apple-system, sans-serif;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;

  --shadow-card: 0 4px 24px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px rgba(200,134,26,0.15);

  --max-w: 1100px;
  --max-w-narrow: 720px;
}

html { scroll-behavior: smooth; }

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  line-height: 1.2;
  color: var(--color-white);
}
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); font-weight: 600; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }
p  { color: var(--color-text); }

a { color: var(--color-amber-light); text-decoration: none; }
a:hover { color: var(--color-amber-pale); text-decoration: underline; }

/* --- Layout helpers --- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}
.container--narrow {
  max-width: var(--max-w-narrow);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}
.section { padding-block: clamp(3rem, 8vw, 6rem); }

/* --- Divider --- */
.divider {
  width: 60px;
  height: 3px;
  background: var(--color-amber);
  border: none;
  margin-block: 1.5rem;
}
.divider--center { margin-inline: auto; }

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  background: rgba(15,13,10,0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}
.nav__logo {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-amber-light);
  letter-spacing: 0.01em;
}
.nav__logo span { color: var(--color-amber-pale); }
.nav__links { display: flex; gap: 2rem; list-style: none; }
.nav__links a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav__links a:hover,
.nav__links a.active { color: var(--color-amber-light); text-decoration: none; }

/* ============================================================
   AGE GATE OVERLAY
   ============================================================ */
.age-gate {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  padding: 1.5rem;
}
.age-gate__card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 6vw, 4rem);
  max-width: 480px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-card), var(--shadow-glow);
}
.age-gate__logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-amber-light);
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}
.age-gate__ornament {
  width: 48px;
  height: 2px;
  background: var(--color-amber);
  margin: 0.75rem auto 1.5rem;
}
.age-gate__title {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  margin-bottom: 0.75rem;
}
.age-gate__sub {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 2rem;
}
.age-gate__buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}
.age-gate__disclaimer {
  font-size: 0.75rem;
  color: var(--color-text-faint);
  line-height: 1.5;
}
.age-gate__deny {
  display: none;
  margin-top: 1.5rem;
  padding: 1rem;
  background: rgba(184,74,46,0.12);
  border: 1px solid var(--color-danger);
  border-radius: var(--radius-md);
  color: #e07060;
  font-size: 0.9rem;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  text-decoration: none;
}
.btn--primary {
  background: var(--color-amber);
  color: #0f0d0a;
}
.btn--primary:hover {
  background: var(--color-amber-light);
  color: #0f0d0a;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(200,134,26,0.35);
}
.btn--outline {
  background: transparent;
  color: var(--color-amber-light);
  border: 2px solid var(--color-amber);
}
.btn--outline:hover {
  background: var(--color-amber);
  color: #0f0d0a;
  text-decoration: none;
  transform: translateY(-1px);
}
.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.btn--ghost:hover {
  border-color: var(--color-amber);
  color: var(--color-amber-light);
  text-decoration: none;
}
.btn--lg { padding: 1rem 2.25rem; font-size: 1.05rem; }
.btn--sm { padding: 0.5rem 1.1rem; font-size: 0.85rem; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 64px;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 60% 40%, rgba(200,134,26,0.08) 0%, transparent 70%),
    radial-gradient(ellipse 50% 50% at 20% 80%, rgba(200,134,26,0.05) 0%, transparent 60%);
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(200,134,26,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200,134,26,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
  padding-block: 4rem;
}
.hero__eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-amber);
  background: rgba(200,134,26,0.1);
  border: 1px solid rgba(200,134,26,0.25);
  border-radius: 100px;
  padding: 0.35rem 1rem;
  margin-bottom: 1.5rem;
}
.hero__title { margin-bottom: 1.25rem; }
.hero__title em {
  font-style: normal;
  color: var(--color-amber-light);
}
.hero__body {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--color-text-muted);
  max-width: 580px;
  margin-bottom: 2.5rem;
}
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero__stats {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  margin-top: 4rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-border);
}
.hero__stat-number {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-amber-light);
  line-height: 1;
}
.hero__stat-label {
  font-size: 0.8rem;
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.25rem;
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how-it-works { background: var(--color-surface); }
.section-header { text-align: center; margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.section-header p {
  color: var(--color-text-muted);
  max-width: 540px;
  margin-inline: auto;
  margin-top: 1rem;
}
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}
.step {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  position: relative;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.step:hover {
  border-color: rgba(200,134,26,0.4);
  box-shadow: 0 4px 24px rgba(200,134,26,0.08);
}
.step__number {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  color: rgba(200,134,26,0.15);
  line-height: 1;
  margin-bottom: 1rem;
}
.step__title { font-size: 1.05rem; margin-bottom: 0.5rem; }
.step__body { font-size: 0.9rem; color: var(--color-text-muted); }

/* ============================================================
   WHAT WE LOOK FOR (INDEX)
   ============================================================ */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}
.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color 0.2s;
}
.feature-card:hover { border-color: rgba(200,134,26,0.4); }
.feature-card__icon {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}
.feature-card__title { font-size: 1rem; margin-bottom: 0.4rem; }
.feature-card__body { font-size: 0.88rem; color: var(--color-text-muted); line-height: 1.6; }

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--color-surface-2) 0%, rgba(200,134,26,0.08) 100%);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
  padding-block: clamp(3rem, 7vw, 5rem);
}
.cta-banner h2 { margin-bottom: 1rem; }
.cta-banner p { color: var(--color-text-muted); max-width: 500px; margin-inline: auto; margin-bottom: 2rem; }

/* ============================================================
   SUBMISSION FORM PAGE
   ============================================================ */
.page-hero {
  padding-top: calc(64px + clamp(2.5rem, 6vw, 5rem));
  padding-bottom: clamp(2rem, 5vw, 3.5rem);
  text-align: center;
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border);
}
.page-hero__eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-amber);
  margin-bottom: 1rem;
}
.page-hero p {
  color: var(--color-text-muted);
  max-width: 540px;
  margin-inline: auto;
  margin-top: 1rem;
}

.form-section { padding-block: clamp(2.5rem, 7vw, 5rem); }
.form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 5vw, 3rem);
  box-shadow: var(--shadow-card);
}

.form-group { margin-bottom: 1.5rem; }
.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}
.form-label span { color: var(--color-amber); }

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-amber);
  box-shadow: 0 0 0 3px rgba(200,134,26,0.12);
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--color-text-faint); }
.form-select option { background: var(--color-surface-2); }
.form-textarea { resize: vertical; min-height: 110px; }

.form-hint {
  font-size: 0.78rem;
  color: var(--color-text-faint);
  margin-top: 0.4rem;
}

/* Upload zone */
.upload-zone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  position: relative;
}
.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--color-amber);
  background: rgba(200,134,26,0.04);
}
.upload-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}
.upload-zone__icon { font-size: 2.5rem; margin-bottom: 0.75rem; }
.upload-zone__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.4rem;
}
.upload-zone__sub { font-size: 0.85rem; color: var(--color-text-muted); }
.upload-zone__sub strong { color: var(--color-amber-light); }

#file-list { margin-top: 1rem; list-style: none; }
#file-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--color-border);
}
#file-list li::before { content: '📎'; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
@media (max-width: 580px) { .form-row { grid-template-columns: 1fr; } }

.form-submit-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}
.form-submit-note {
  font-size: 0.8rem;
  color: var(--color-text-faint);
  max-width: 340px;
}

/* Success state */
.form-success {
  display: none;
  text-align: center;
  padding: 3rem 2rem;
}
.form-success__icon { font-size: 3rem; margin-bottom: 1rem; }
.form-success h3 { margin-bottom: 0.75rem; }
.form-success p { color: var(--color-text-muted); }

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-hero {
  padding-top: calc(64px + clamp(3rem, 8vw, 6rem));
  padding-bottom: clamp(2rem, 6vw, 4rem);
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border);
}
.about-hero__eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-amber);
  margin-bottom: 1rem;
}
.about-hero p {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--color-text-muted);
  max-width: 620px;
  margin-top: 1rem;
}

.about-section { padding-block: clamp(2.5rem, 6vw, 5rem); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
@media (max-width: 700px) { .about-grid { grid-template-columns: 1fr; } }

.about-grid__text p {
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  font-size: 0.98rem;
  line-height: 1.8;
}
.about-grid__text p:last-child { margin-bottom: 0; }

.about-callout {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-amber);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.5rem;
}
.about-callout p {
  color: var(--color-text) !important;
  font-family: var(--font-serif);
  font-size: 1.1rem !important;
  font-style: italic;
  margin: 0 !important;
  line-height: 1.6 !important;
}

.credential-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.credential-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}
.credential-list__icon { font-size: 1.5rem; flex-shrink: 0; margin-top: 0.1rem; }
.credential-list__title { font-size: 0.95rem; font-weight: 600; color: var(--color-white); margin-bottom: 0.2rem; }
.credential-list__body { font-size: 0.85rem; color: var(--color-text-muted); }

.why-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 2.5rem;
}
.why-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}
.why-card__num {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: rgba(200,134,26,0.2);
  line-height: 1;
  margin-bottom: 0.75rem;
}
.why-card h4 { margin-bottom: 0.5rem; font-size: 1rem; }
.why-card p { font-size: 0.88rem; color: var(--color-text-muted); line-height: 1.65; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding-block: 2.5rem;
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.footer__logo {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-amber-light);
}
.footer__links { display: flex; gap: 1.5rem; list-style: none; flex-wrap: wrap; }
.footer__links a { font-size: 0.85rem; color: var(--color-text-faint); }
.footer__links a:hover { color: var(--color-amber-light); }
.footer__copy { font-size: 0.78rem; color: var(--color-text-faint); width: 100%; margin-top: 0.5rem; }

/* ============================================================
   UTILS
   ============================================================ */
.text-amber { color: var(--color-amber-light); }
.text-muted  { color: var(--color-text-muted); }
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }

/* ============================================================
   RESPONSIVE NAV
   ============================================================ */
@media (max-width: 600px) {
  .nav__links { gap: 1.1rem; }
  .nav__links a { font-size: 0.78rem; }
  .hero__stats { gap: 1.5rem; }
}