/* ==========================================================================
   Icy Blue — Ancient Glacial Spring Water Stylesheet
   ========================================================================== */

:root {
  /* Brand Palette */
  --deep: #071a30;
  --navy: #0b2648;
  --navy-light: #123a68;
  --ink: #0d2238;
  --ink-muted: #486581;
  --ice: #f0f7fb;
  --ice-subtle: #f7fbfd;
  --ice-glow: #e0f2fe;
  --paper: #ffffff;
  
  --accent: #009fe3;
  --accent-hover: #0084c0;
  --accent-light: #38bdf8;
  --cyan-bright: #38e1ff;
  --glacier: #9adcf5;
  --teal: #08837a;
  --maple: #da291c;
  
  --line: #d8ebf5;
  --line-dark: #1b4267;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 4px 12px rgba(11, 38, 72, 0.05);
  --shadow-md: 0 10px 30px rgba(11, 38, 72, 0.08);
  --shadow-lg: 0 20px 50px rgba(7, 26, 48, 0.16);
  --shadow-glow: 0 12px 30px rgba(0, 159, 227, 0.28);
  
  --font-serif: "Playfair Display", Georgia, serif;
  --font-sans: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  --transition: 0.24s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink);
  background-color: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

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

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

/* Accessibility: Skip Link & Focus Rings */
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--accent);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  z-index: 9999;
  font-weight: 700;
  transition: top var(--transition);
}

.skip-link:focus {
  top: 20px;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

/* Layout Wrappers */
.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.text-center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow var(--transition), background-color var(--transition);
}

.site-header.is-scrolled {
  box-shadow: 0 10px 25px rgba(7, 26, 48, 0.07);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
}

.brand {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo {
  height: 48px;
  width: auto;
  border-radius: 8px;
  mix-blend-mode: multiply;
  transition: transform var(--transition);
}

.brand:hover .brand-logo {
  transform: scale(1.02);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
  position: relative;
  padding: 6px 0;
  transition: color var(--transition);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: width var(--transition);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  color: var(--accent);
}

.header-cta-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn-header-amazon {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.cart-icon {
  width: 16px;
  height: 16px;
}

.social-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  transition: transform var(--transition), opacity var(--transition);
  flex-shrink: 0;
}

.social-icon-btn svg {
  width: 27px;
  height: 27px;
  display: block;
}

.social-icon-btn:hover {
  transform: translateY(-1px);
  opacity: 0.88;
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 6px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--deep);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Drawer */
.mobile-drawer {
  display: none;
  max-height: 0;
  overflow: hidden;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
  transition: max-height 0.32s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-drawer.is-open {
  display: block;
  max-height: 460px;
}

.mobile-drawer-inner {
  padding: 20px 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mobile-nav-link {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ink);
  padding: 8px 0;
  border-bottom: 1px solid rgba(0, 159, 227, 0.1);
}

.mobile-subtext {
  text-align: center;
  font-size: 0.85rem;
  color: var(--ink-muted);
  margin-top: 10px;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.98rem;
  padding: 13px 28px;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-small {
  padding: 8px 18px;
  font-size: 0.88rem;
  border-color: var(--deep);
  color: var(--deep);
}

.btn-small:hover {
  background: var(--deep);
  color: #fff;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 14px rgba(0, 159, 227, 0.25);
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(0, 159, 227, 0.36);
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  background: #fff;
  color: var(--deep);
  border-color: #fff;
}

.btn-ghost-light {
  border: 2px solid rgba(255, 255, 255, 0.7);
  color: #fff;
  background: transparent;
}

.btn-ghost-light:hover {
  background: #fff;
  color: var(--deep);
}

.btn-block {
  width: 100%;
}

.btn-glow {
  position: relative;
  overflow: hidden;
}

.btn-glow::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    60deg,
    transparent,
    rgba(255, 255, 255, 0.25),
    transparent
  );
  transform: rotate(30deg);
  transition: transform 0.6s ease;
}

.btn-glow:hover::after {
  transform: rotate(30deg) translate(30%, 30%);
}

.arrow-icon {
  width: 18px;
  height: 18px;
  transition: transform var(--transition);
}

.btn:hover .arrow-icon {
  transform: translateX(4px);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
  position: relative;
  color: #ffffff;
  background:
    radial-gradient(1000px 500px at 85% 0%, rgba(56, 189, 248, 0.28), transparent 70%),
    radial-gradient(800px 500px at 15% 100%, rgba(0, 159, 227, 0.35), transparent 60%),
    linear-gradient(180deg, #091f3a 0%, #06182c 100%);
  overflow: hidden;
  padding-top: 60px;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
  padding-bottom: 70px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(154, 220, 245, 0.3);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--glacier);
  margin-bottom: 20px;
  backdrop-filter: blur(6px);
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan-bright);
  box-shadow: 0 0 8px var(--cyan-bright);
  animation: pulse 2s infinite ease-in-out;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 5.2vw, 4.2rem);
  line-height: 1.06;
  font-weight: 700;
  margin-bottom: 22px;
  letter-spacing: -0.015em;
  color: #ffffff;
}

.lede {
  font-size: 1.15rem;
  line-height: 1.7;
  color: #d1e7f5;
  margin-bottom: 30px;
  max-width: 36rem;
}

.lede strong {
  color: #ffffff;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.hero-rating {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 34px;
}

.stars {
  color: #ffb703;
  font-size: 1.1rem;
  letter-spacing: 2px;
}

.rating-text {
  font-size: 0.88rem;
  color: #b8dcf0;
  font-weight: 500;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.fact-card {
  display: flex;
  flex-direction: column;
}

.fact-card dt {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--glacier);
  font-weight: 800;
  margin-bottom: 2px;
}

.fact-card dd {
  font-size: 1.4rem;
  font-weight: 800;
  color: #ffffff;
  margin: 0;
  font-family: var(--font-serif);
}

.fact-sub {
  font-size: 0.76rem;
  color: #9ac2dc;
  margin-top: 2px;
}

/* Hero Media Display */
.hero-media {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: transform 0.35s ease-out;
  will-change: transform;
}

.hero-card-glow {
  position: absolute;
  width: 340px;
  height: 480px;
  background: radial-gradient(circle, rgba(0, 159, 227, 0.35) 0%, transparent 70%);
  filter: blur(40px);
  z-index: 1;
}

.hero-photo-wrapper {
  position: relative;
  z-index: 2;
  margin: 0;
  padding: 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 200px 200px 24px 24px;
  box-shadow: 0 35px 70px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(10px);
  text-align: center;
  max-width: 380px;
  overflow: hidden;
  animation: float-bob 7s ease-in-out infinite;
}

.ripple-rings {
  position: absolute;
  inset: 6% -4%;
  z-index: 1;
  pointer-events: none;
}

.ripple-rings span {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(154, 220, 245, 0.4);
  border-radius: 200px 200px 28px 28px;
  animation: ripple-expand 4.5s ease-out infinite;
}

.ripple-rings span:nth-child(2) { animation-delay: 1.5s; }
.ripple-rings span:nth-child(3) { animation-delay: 3s; }

.photo-sheen {
  position: absolute;
  top: -10%;
  bottom: -10%;
  left: 0;
  width: 34%;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.16), transparent);
  animation: sheen-sweep 7s ease-in-out infinite;
}

.hero-img {
  width: 100%;
  max-height: 470px;
  object-fit: contain;
  border-radius: 190px 190px 16px 16px;
  filter: drop-shadow(0 15px 25px rgba(0, 0, 0, 0.3));
}

.hero-photo-tag {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.photo-tag-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: #ffffff;
}

.photo-tag-sub {
  font-size: 0.8rem;
  color: var(--glacier);
}

/* Glacial water energy: light rays, caustics, bubbles, waves */
.glacial-rays {
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 90%;
  z-index: 0;
  pointer-events: none;
  background: conic-gradient(from 200deg at 50% 0%,
    transparent 0deg, rgba(154, 220, 245, 0.10) 12deg,
    transparent 24deg, transparent 40deg,
    rgba(56, 225, 255, 0.08) 52deg, transparent 64deg,
    transparent 90deg, rgba(154, 220, 245, 0.09) 104deg,
    transparent 118deg, transparent 160deg,
    rgba(56, 189, 248, 0.07) 175deg, transparent 190deg,
    transparent 360deg);
  filter: blur(2px);
  animation: rays-drift 16s ease-in-out infinite alternate;
}

.glacial-caustic {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image:
    repeating-radial-gradient(120px 40px at 12% 30%, rgba(154, 220, 245, 0.10) 0 2px, transparent 2px 26px),
    repeating-radial-gradient(160px 52px at 78% 62%, rgba(56, 225, 255, 0.08) 0 2px, transparent 2px 34px);
  animation: caustic-shift 11s ease-in-out infinite alternate;
}

.bubble-field {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  pointer-events: none;
}

.bubble-field .bubble {
  position: absolute;
  bottom: -24px;
  border-radius: 50%;
  border: 1px solid rgba(154, 220, 245, 0.55);
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.55), rgba(154, 220, 245, 0.08) 60%);
  opacity: 0;
  animation: bubble-rise linear infinite;
}

@keyframes rays-drift {
  from { transform: rotate(-2deg) translateX(-1.5%); opacity: 0.8; }
  to { transform: rotate(2deg) translateX(1.5%); opacity: 1; }
}

@keyframes caustic-shift {
  from { transform: translate3d(-1.5%, 0, 0) scale(1); }
  to { transform: translate3d(1.5%, -1%, 0) scale(1.03); }
}

@keyframes bubble-rise {
  0% { transform: translateY(0) translateX(0); opacity: 0; }
  12% { opacity: 0.85; }
  85% { opacity: 0.5; }
  100% { transform: translateY(-78vh) translateX(18px); opacity: 0; }
}

@keyframes float-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes ripple-expand {
  0% { transform: scale(0.72); opacity: 0.55; }
  100% { transform: scale(1.18); opacity: 0; }
}

@keyframes wave-slide {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes sheen-sweep {
  0% { transform: translateX(-130%) rotate(12deg); }
  55% { transform: translateX(230%) rotate(12deg); }
  100% { transform: translateX(230%) rotate(12deg); }
}

/* Layered glacial divider waves */
.hero-waves {
  position: relative;
  width: 100%;
  height: 72px;
  overflow: hidden;
  line-height: 0;
  transform: translateY(1px);
  z-index: 2;
}

.hero-waves .wave {
  position: absolute;
  bottom: 0;
  left: 0;
  display: block;
  height: 100%;
  width: 200%;
}

.hero-waves .wave-back {
  opacity: 0.9;
  animation: wave-slide 14s linear infinite;
}

.hero-waves .wave-front {
  animation: wave-slide 9s linear infinite;
}

/* First-load waterfall cascade: brief whoosh down the viewport, then gone.
   Overlay is pointer-transparent so it never blocks interaction. */
.falls-intro {
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(9, 31, 58, 0.34), rgba(0, 159, 227, 0.1) 45%, transparent 78%);
  animation: falls-dismiss 0.6s ease 2s forwards;
}

.falls-intro .stream {
  position: absolute;
  top: -35%;
  height: 55%;
  border-radius: 999px;
  background: linear-gradient(180deg,
    transparent 0%, rgba(56, 189, 248, 0.18) 22%,
    rgba(0, 159, 227, 0.55) 58%, rgba(56, 225, 255, 0.75) 86%,
    rgba(224, 242, 254, 0.9) 96%, transparent 100%);
  filter: blur(0.6px);
  animation: stream-fall 1.05s cubic-bezier(0.55, 0.06, 0.75, 0.4) infinite;
}

.falls-intro .drop {
  position: absolute;
  top: -4%;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #d9f2fd, rgba(0, 159, 227, 0.75) 60%, rgba(0, 159, 227, 0) 76%);
  animation: drop-fall 1.3s ease-in infinite;
}

.falls-mist {
  position: absolute;
  left: -5%;
  right: -5%;
  bottom: -2%;
  height: 17%;
  background: radial-gradient(60% 100% at 50% 100%, rgba(56, 189, 248, 0.45), transparent 70%);
  filter: blur(6px);
  animation: mist-puff 2.2s ease-out forwards;
}

@keyframes stream-fall {
  0% { transform: translateY(-10%) scaleY(0.6); opacity: 0; }
  18% { opacity: 0.9; }
  100% { transform: translateY(220%) scaleY(1.15); opacity: 0; }
}

@keyframes drop-fall {
  0% { transform: translate(0, -5vh); opacity: 0; }
  15% { opacity: 0.9; }
  100% { transform: translate(-14px, 108vh); opacity: 0; }
}

@keyframes mist-puff {
  0% { transform: scale(0.85); opacity: 0; }
  35% { opacity: 1; }
  100% { transform: scale(1.08); opacity: 0.85; }
}

@keyframes falls-dismiss {
  to { opacity: 0; visibility: hidden; }
}

/* ==========================================================================
   Continuous Ticker Marquee
   ========================================================================== */

.ticker-wrapper {
  background: var(--deep);
  color: #eaf6fc;
  overflow: hidden;
  user-select: none;
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}

.ticker-track {
  display: flex;
  width: max-content;
  animation: ticker 32s linear infinite;
}

.ticker-wrapper:hover .ticker-track {
  animation-play-state: paused;
}

.ticker-content {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-right: 20px;
  white-space: nowrap;
  font-weight: 600;
  font-size: 0.92rem;
}

.ticker-item strong.highlight {
  color: var(--cyan-bright);
}

.ticker-sep {
  color: var(--accent-light);
  font-size: 1.1rem;
}

@keyframes ticker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ==========================================================================
   Sections Common
   ========================================================================== */

.section {
  padding: 88px 0;
}

.section-tint {
  background-color: var(--ice);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-dark {
  background: linear-gradient(180deg, #071c33 0%, #051426 100%);
  color: #eaf6fc;
  border-top: 1px solid #13385e;
}

.eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 10px;
}

.eyebrow-light {
  color: var(--glacier);
}

h2 {
  font-family: var(--font-serif);
  color: var(--deep);
  font-size: clamp(2rem, 3.4vw, 2.75rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  margin-bottom: 18px;
}

.section-dark h2 {
  color: #ffffff;
}

.section-head {
  max-width: 44rem;
  margin-bottom: 44px;
}

.section-head p {
  font-size: 1.1rem;
  color: var(--ink-muted);
}

.section-dark .section-head p {
  color: #b3d4e8;
}

/* Story & Source Layout */
.story-content p {
  margin-bottom: 18px;
  color: var(--ink-muted);
}

.story-lede {
  font-size: 1.12rem;
  color: var(--ink) !important;
  line-height: 1.7;
}

.ticks-grid {
  list-style: none;
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.ticks-grid li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--ice-subtle);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 14px 18px;
}

.tick-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  color: #ffffff;
  font-weight: 900;
  font-size: 0.78rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.ticks-grid strong {
  display: block;
  font-size: 0.98rem;
  color: var(--deep);
}

.ticks-grid span {
  display: block;
  font-size: 0.88rem;
  color: var(--ink-muted);
  margin-top: 2px;
}

/* Framed Photo */
.framed {
  position: relative;
  margin: 0;
}

.framed img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition);
}

.framed:hover img {
  transform: translateY(-2px);
}

.framed figcaption {
  margin-top: 12px;
  font-size: 0.88rem;
  color: var(--ink-muted);
  text-align: center;
}

/* ==========================================================================
   12,000-Year Timeline
   ========================================================================== */

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 36px;
}

.timeline-card {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.timeline-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.timeline-num {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: rgba(0, 159, 227, 0.22);
  line-height: 1;
  position: absolute;
  top: 24px;
  right: 24px;
}

.timeline-icon {
  font-size: 2rem;
  margin-bottom: 14px;
}

.timeline-card h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--deep);
  margin-bottom: 6px;
}

.timeline-date {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 12px;
}

.timeline-card p:last-child {
  font-size: 0.94rem;
  color: var(--ink-muted);
  margin: 0;
}

/* ==========================================================================
   Minerals & Comparison
   ========================================================================== */

.minerals-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.mineral-card {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 26px 22px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
}

.mineral-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-light);
}

.card-featured {
  border-top: 4px solid var(--accent);
  background: linear-gradient(180deg, #f8fcff 0%, #ffffff 100%);
}

.mineral-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
}

.mineral-badge {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--ice);
  color: var(--navy);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.mineral-value {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--deep);
  margin: 0;
}

.mineral-value span {
  font-size: 0.95rem;
  font-family: var(--font-sans);
  color: var(--ink-muted);
}

.mineral-card h3 {
  font-size: 1.05rem;
  color: var(--deep);
  margin: 8px 0 6px;
}

.mineral-card p {
  font-size: 0.9rem;
  color: var(--ink-muted);
  line-height: 1.5;
  margin-bottom: 16px;
  flex-grow: 1;
}

.mineral-meter {
  height: 6px;
  width: 100%;
  background: var(--ice);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.meter-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-light) 100%);
  border-radius: var(--radius-full);
}

/* Comparison Box */
.comparison-box {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-md);
}

.comparison-head {
  margin-bottom: 24px;
}

.comparison-head h3 {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  color: var(--deep);
  margin-bottom: 6px;
}

.comparison-head p {
  color: var(--ink-muted);
  font-size: 0.95rem;
  margin: 0;
}

.comparison-table-wrapper {
  overflow-x: auto;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  text-align: left;
}

.comparison-table th,
.comparison-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
}

.comparison-table th {
  font-weight: 700;
  color: var(--deep);
  background: var(--ice);
}

.col-highlight {
  background: rgba(0, 159, 227, 0.08) !important;
  font-weight: 600;
  color: var(--deep);
}

th.col-highlight {
  color: var(--navy-light);
  border-top: 3px solid var(--accent);
}

/* ==========================================================================
   Sustainability & Purity
   ========================================================================== */

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 20px;
}

.feature-card {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition);
}

.feature-card:hover {
  transform: translateY(-3px);
}

.feature-icon {
  font-size: 2.2rem;
  margin-bottom: 14px;
}

.feature-card h3 {
  font-size: 1.1rem;
  color: var(--deep);
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--ink-muted);
  line-height: 1.55;
  margin: 0;
}

/* ==========================================================================
   Shop & Products Section
   ========================================================================== */

.products-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: 26px;
  margin-bottom: 40px;
}

.product-card {
  background: #0d2a4a;
  border: 1px solid #1c4b75;
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  position: relative;
  transition: transform var(--transition), border-color var(--transition);
}

.product-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
}

.product-card-featured {
  grid-template-columns: 0.9fr 1.1fr;
}

.product-badge-corner {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: var(--accent);
  color: #ffffff;
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.product-img-box {
  background: #092038;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 16px;
}

.product-img-box img {
  width: 100%;
  height: 100%;
  max-height: 380px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  transition: transform 0.4s ease;
}

.product-card:hover .product-img-box img {
  transform: scale(1.03);
}

.product-body {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.product-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-full);
  padding: 4px 10px;
}

.tag-accent {
  background: var(--glacier);
  color: var(--deep);
}

.tag-outline {
  background: transparent;
  border: 1px solid #285880;
  color: #cce7f8;
}

.product-title {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  color: #ffffff;
  margin: 0;
}

.product-desc {
  font-size: 0.94rem;
  color: #c0deee;
  line-height: 1.6;
  margin: 0;
}

.product-specs {
  list-style: none;
  display: grid;
  gap: 6px;
  font-size: 0.88rem;
  color: #a8cfdf;
  margin: 4px 0;
  padding-top: 10px;
  border-top: 1px solid #1a4267;
}

.product-specs span {
  color: #ffffff;
  font-weight: 600;
}

.product-cta {
  margin-top: auto;
  padding-top: 8px;
}

/* Amazon Trust Banner */
.trust-banner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 24px 28px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
}

.trust-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.trust-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
}

.trust-item strong {
  display: block;
  font-size: 0.98rem;
  color: #ffffff;
  margin-bottom: 2px;
}

.trust-item p {
  font-size: 0.86rem;
  color: #a9cfdf;
  margin: 0;
  line-height: 1.45;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */

.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.faq-item[open] {
  box-shadow: var(--shadow-sm);
  border-color: var(--accent-light);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--deep);
  cursor: pointer;
  user-select: none;
  list-style: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-toggle-icon {
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--accent);
  transition: transform var(--transition);
}

.faq-item[open] .faq-toggle-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 24px 22px;
  color: var(--ink-muted);
  font-size: 0.96rem;
  line-height: 1.65;
}

.faq-answer p {
  margin: 0;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */

.contact-info p {
  color: var(--ink-muted);
  margin-bottom: 24px;
}

.contact-channel-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  margin-bottom: 14px;
  box-shadow: var(--shadow-sm);
}

.channel-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
}

.channel-icon-instagram,
.channel-icon-facebook {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  font-size: 0;
}

.channel-icon-instagram svg,
.channel-icon-facebook svg {
  width: 44px;
  height: 44px;
  display: block;
}

.contact-direct {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0;
}

.contact-direct li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}

.contact-direct svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-direct a {
  color: var(--deep);
}

.contact-direct a:hover {
  color: var(--accent-hover);
}

.contact-channel-card strong {
  display: block;
  font-size: 1rem;
  color: var(--deep);
  margin-bottom: 2px;
}

.contact-channel-card p {
  font-size: 0.88rem;
  color: var(--ink-muted);
  margin-bottom: 10px;
}

.contact-form-container {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 34px 30px;
  box-shadow: var(--shadow-md);
}

.contact-form h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--deep);
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* Spam honeypot: invisible to humans, irresistible to bots. */
.form-honeypot {
  position: absolute !important;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  margin: 0;
}

.form-group label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--deep);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #b6d8e8;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  color: var(--ink);
  background-color: var(--ice-subtle);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 159, 227, 0.15);
  background: #ffffff;
  outline: none;
}

.form-note {
  margin-top: 12px;
  font-size: 0.92rem;
  font-weight: 600;
  min-height: 1.4em;
  text-align: center;
}

.form-note.success {
  color: var(--teal);
}

.form-note.error {
  color: #d90429;
}

/* ==========================================================================
   Back to Top Floating Button
   ========================================================================== */

.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 90;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--deep);
  color: #ffffff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(7, 26, 48, 0.28);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--accent);
  transform: translateY(-2px);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: #f4fafc;
  border-top: 1px solid var(--line);
  padding-top: 56px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-logo {
  height: 48px;
  width: auto;
  border-radius: 8px;
  margin-bottom: 14px;
  mix-blend-mode: multiply;
}

.footer-bio {
  font-size: 0.92rem;
  color: var(--ink-muted);
  line-height: 1.6;
  margin-bottom: 16px;
  max-width: 24rem;
}

.footer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-badge {
  font-size: 0.74rem;
  font-weight: 700;
  background: #e2f1f8;
  color: var(--navy);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.footer-badge-maple {
  background: #fbe4e1;
  color: #b42318;
  border: 1px solid #e8a49d;
}

.maple-text {
  color: var(--maple);
  font-weight: 800;
}

.footer-links-col h4 {
  font-size: 0.95rem;
  color: var(--deep);
  margin-bottom: 16px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer-links-col ul {
  list-style: none;
  display: grid;
  gap: 10px;
}

.footer-links-col a {
  font-size: 0.92rem;
  color: var(--ink-muted);
}

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

.footer-social-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-social-link svg {
  width: 19px;
  height: 19px;
  flex-shrink: 0;
  display: block;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 20px 0;
  background: #ecf5f9;
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.86rem;
  color: var(--ink-muted);
}

.fine-links a {
  color: var(--navy);
  font-weight: 600;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-copy {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero-facts {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    width: 100%;
  }

  .timeline-grid {
    grid-template-columns: 1fr;
  }

  .minerals-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .product-card-featured {
    grid-template-columns: 1fr;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 860px) {
  .site-nav {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .split {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .hero h1 {
    font-size: 2.5rem;
  }
}

@media (max-width: 580px) {
  .section {
    padding: 60px 0;
  }

  .hero-facts {
    grid-template-columns: 1fr 1fr;
  }

  .minerals-grid,
  .features-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .btn {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
}

/* Reduced Motion Preference */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .ticker-track {
    animation: none;
  }
  .falls-intro {
    display: none !important;
  }
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
}