/* ========================================================
   PURE ALKALINE — Shared Stylesheet
   ======================================================== */

:root {
  --ink: #0a1e2c;
  --ink-soft: #2c4a5e;
  --mist: #e8f1f4;
  --paper: #f6f2ea;
  --paper-warm: #efe7d8;
  --aqua: #6fb7c4;
  --aqua-deep: #3a8a9a;
  --aqua-pale: #cfe4e8;
  --accent: #1a3a48;
  --line: rgba(10, 30, 44, 0.12);
  --shadow-soft: 0 30px 80px -30px rgba(10, 30, 44, 0.18);
  --shadow-card: 0 10px 40px -20px rgba(10, 30, 44, 0.15);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
.serif {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  letter-spacing: -0.02em;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* ----- Announcement bar ----- */
.announce {
  background: var(--ink);
  color: var(--paper);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 10px 24px;
  text-align: center;
  font-weight: 400;
}
.announce span { opacity: 0.7; margin: 0 10px; }

/* ----- Navigation ----- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 242, 234, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 22px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: inline-flex;
  align-items: center;
  line-height: 0;
}
.logo picture, .logo img {
  display: block;
  height: 46px;
  width: auto;
  transition: opacity .2s ease;
}
.logo:hover img { opacity: 0.7; }
/* Legacy logo-mark - kept for any old refs but unused now */
.logo-mark { display: none; }
.nav-links {
  display: flex;
  gap: 38px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
}
.nav-links a { transition: opacity .2s ease; position: relative; }
.nav-links a:hover { opacity: 0.6; }
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -6px; left: 0; right: 0;
  height: 1px;
  background: var(--aqua-deep);
}
.nav-cta { display: flex; align-items: center; gap: 18px; }
.nav-phone {
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-phone::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: #3eb87f;
  box-shadow: 0 0 0 4px rgba(62, 184, 127, 0.18);
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--ink);
  color: var(--paper);
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  border: none;
  cursor: pointer;
  transition: transform .25s ease, background .25s ease;
  text-align: center;
  justify-content: center;
}
.btn:hover { background: var(--accent); transform: translateY(-1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-outline {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}
.btn-outline:hover { background: var(--ink); color: var(--paper); }
.btn-light { background: var(--paper); color: var(--ink); }
.btn-light:hover { background: var(--aqua); color: var(--ink); }
.btn-arrow { display: inline-block; transition: transform .25s ease; }
.btn:hover .btn-arrow { transform: translateX(3px); }

@media (max-width: 880px) {
  .nav-links { display: none; }
  .nav-inner { padding: 18px 24px; }
  .nav-phone { display: none; }
}

/* ----- Typography helpers ----- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 500;
  margin-bottom: 32px;
}
.eyebrow::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--ink-soft);
}
h1.display {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  font-size: clamp(48px, 7vw, 96px);
  line-height: 0.98;
  letter-spacing: -0.035em;
}
h1.display em, h2.section-title em, h3.serif em {
  font-style: italic;
  font-weight: 300;
  color: var(--aqua-deep);
}
h2.section-title {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  font-size: clamp(40px, 5vw, 68px);
  line-height: 1;
  letter-spacing: -0.025em;
}
h3.serif {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  letter-spacing: -0.02em;
}
.section {
  padding: 140px 40px;
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
}
.section-head {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  margin-bottom: 80px;
  align-items: end;
}
.section-sub {
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 480px;
}
@media (max-width: 880px) {
  .section { padding: 80px 24px; }
  .section-head { grid-template-columns: 1fr; gap: 20px; margin-bottom: 50px; }
}

/* ----- Page hero ----- */
.page-hero {
  padding: 80px 40px 60px;
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
}
.page-hero h1 {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  font-size: clamp(44px, 6vw, 80px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  max-width: 900px;
}
.page-hero h1 em { font-style: italic; color: var(--aqua-deep); }
.page-hero .lede {
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 560px;
}
@media (max-width: 880px) { .page-hero { padding: 40px 24px 30px; } }

/* ----- Plan cards ----- */
.plans-tabs {
  display: inline-flex;
  background: var(--paper-warm);
  border-radius: 999px;
  padding: 6px;
  margin-bottom: 50px;
  gap: 4px;
}
.tab {
  border: none;
  background: transparent;
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  color: var(--ink-soft);
  transition: all .25s ease;
}
.tab.active { background: var(--ink); color: var(--paper); }
.plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.plan-card {
  background: var(--paper-warm);
  border-radius: 24px;
  padding: 32px 28px;
  position: relative;
  transition: transform .35s ease;
  overflow: hidden;
}
.plan-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 100%, var(--aqua-pale), transparent 60%);
  opacity: 0;
  transition: opacity .35s ease;
}
.plan-card:hover { transform: translateY(-6px); }
.plan-card:hover::before { opacity: 1; }
.plan-card.featured { background: var(--ink); color: var(--paper); }
.plan-card.featured::before {
  background: radial-gradient(circle at 50% 100%, rgba(111, 183, 196, 0.25), transparent 60%);
  opacity: 1;
}
.plan-card > * { position: relative; z-index: 1; }
.plan-tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(58, 138, 154, 0.15);
  color: var(--aqua-deep);
  margin-bottom: 24px;
  font-weight: 500;
}
.plan-card.featured .plan-tag { background: var(--aqua); color: var(--ink); }
.plan-name {
  font-family: 'Fraunces', serif;
  font-size: 32px;
  font-weight: 300;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.plan-bottles { font-size: 13px; color: var(--ink-soft); margin-bottom: 28px; }
.plan-card.featured .plan-bottles { color: rgba(246, 242, 234, 0.7); }
.plan-price {
  font-family: 'Fraunces', serif;
  font-size: 56px;
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 6px;
}
.plan-price sup { font-size: 22px; vertical-align: top; margin-right: 4px; opacity: 0.7; }
.plan-period { font-size: 13px; color: var(--ink-soft); margin-bottom: 32px; }
.plan-card.featured .plan-period { color: rgba(246, 242, 234, 0.7); }
.plan-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  padding: 8px 0;
  border-top: 1px solid rgba(10, 30, 44, 0.08);
}
.plan-card.featured .plan-feature { border-color: rgba(246, 242, 234, 0.12); }
.plan-feature::before { content: '→'; color: var(--aqua-deep); font-weight: 500; }
.plan-card.featured .plan-feature::before { color: var(--aqua); }
.plan-cta { margin-top: 28px; width: 100%; }
.plan-card.featured .plan-cta { background: var(--paper); color: var(--ink); }
.plan-card.featured .plan-cta:hover { background: var(--aqua); }

/* ----- Footer ----- */
footer {
  background: var(--paper);
  border-top: 1px solid var(--line);
  padding: 80px 40px 40px;
}
.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}
.footer-brand {
  font-family: 'Fraunces', serif;
  font-size: 32px;
  font-weight: 300;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.footer-tag { color: var(--ink-soft); font-size: 14px; line-height: 1.6; max-width: 320px; }
.footer-col h4 {
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 20px;
}
.footer-col a {
  display: block;
  color: var(--ink-soft);
  font-size: 14px;
  padding: 6px 0;
  transition: color .2s ease;
}
.footer-col a:hover { color: var(--ink); }
.footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--ink-soft);
  flex-wrap: wrap;
  gap: 16px;
}
.footer-disclaimer {
  max-width: 1400px;
  margin: 30px auto 0;
  font-size: 11px;
  color: var(--ink-soft);
  opacity: 0.7;
  line-height: 1.6;
  font-style: italic;
}
@media (max-width: 880px) { .footer-inner { grid-template-columns: 1fr 1fr; gap: 30px; } }

/* ----- Forms ----- */
.form-group { margin-bottom: 22px; }
.form-label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 10px;
  font-weight: 500;
}
.form-input, .form-textarea, .form-select {
  width: 100%;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 18px;
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  transition: border-color .2s ease, background .2s ease;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--aqua-deep);
  background: #fff;
}
.form-textarea { min-height: 140px; resize: vertical; }

/* ----- Cards ----- */
.card { background: var(--paper-warm); border-radius: 24px; padding: 36px; }
.card-dark { background: var(--ink); color: var(--paper); border-radius: 24px; padding: 36px; }

/* ----- Badges ----- */
.badge {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 5px 11px;
  border-radius: 999px;
  font-weight: 500;
}
.badge-success { background: #dde9d9; color: #3e7a55; }
.badge-warning { background: #f5e2c0; color: #8a5a1e; }
.badge-info { background: var(--aqua-pale); color: var(--aqua-deep); }

/* ----- Fade in ----- */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity .8s ease, transform .8s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ----- Toast ----- */
.toast {
  position: fixed;
  bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--ink);
  color: var(--paper);
  padding: 14px 24px;
  border-radius: 999px;
  font-size: 14px;
  box-shadow: var(--shadow-soft);
  opacity: 0;
  transition: all .3s ease;
  z-index: 1000;
}
.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

/* ----- Spinner ----- */
.spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(246, 242, 234, 0.3);
  border-top-color: var(--paper);
  border-radius: 50%;
  animation: spin .8s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }