:root {
  --ink: #15383b;
  --ink-soft: #426568;
  --green-deep: #0b4f51;
  --green: #197b78;
  --green-light: #dff2ed;
  --mint: #eef8f4;
  --sand: #f7f2e9;
  --coral: #da7e64;
  --white: #ffffff;
  --line: rgba(21,56,59,.12);
  --shadow: 0 24px 65px rgba(18,72,72,.12);
  --radius: 26px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.72;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1,h2,h3 { margin-top: 0; line-height: 1.12; letter-spacing: -.035em; }
h1 { font-size: clamp(3rem, 6vw, 5.9rem); font-weight: 800; }
h2 { font-size: clamp(2.2rem, 4vw, 4rem); font-weight: 760; }
h3 { font-size: 1.35rem; font-weight: 720; }
p { color: var(--ink-soft); }

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: .25s ease;
}
.site-nav.scrolled {
  padding: 10px 0;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(18px);
  box-shadow: 0 10px 35px rgba(9,59,59,.08);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: -.02em; color: var(--ink); white-space: nowrap; }
.brand-mark { width: 42px; height: 42px; border-radius: 14px; display: inline-grid; place-items: center; background: var(--green-deep); color: #fff; box-shadow: 0 12px 30px rgba(11,79,81,.2); }
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 25px; }
.site-nav li { margin: 0; padding: 0; }
.site-nav li a { display: block; padding: 8px 0; font-size: .94rem; font-weight: 650; color: #275356; position: relative; }
.site-nav li a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 2px; height: 2px; background: var(--coral); transition: .25s ease; }
.site-nav li a:hover::after { right: 0; }
.menu-toggle { display: none; width: 44px; height: 44px; border: 0; background: transparent; padding: 8px; }
.menu-toggle span { display: block; height: 2px; background: var(--ink); margin: 6px 0; transition: .25s; }

.hero-section {
  min-height: 860px;
  display: flex;
  align-items: center;
  padding: 150px 0 90px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 7% 20%, rgba(234,197,159,.33), transparent 25%),
    radial-gradient(circle at 82% 16%, rgba(128,203,188,.28), transparent 26%),
    linear-gradient(135deg, #fbf8f1 0%, #edf8f4 49%, #f8fbf9 100%);
}
.hero-section::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(14,83,82,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(14,83,82,.025) 1px, transparent 1px); background-size: 44px 44px; mask-image: linear-gradient(to bottom, black, transparent 85%); }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(4px); opacity: .55; }
.hero-glow-one { width: 420px; height: 420px; right: -180px; top: 220px; background: rgba(82,171,155,.18); }
.hero-glow-two { width: 270px; height: 270px; left: -120px; bottom: 70px; background: rgba(218,126,100,.12); }
.eyebrow, .section-kicker { display: inline-flex; align-items: center; gap: 10px; text-transform: uppercase; letter-spacing: .15em; font-size: .76rem; font-weight: 800; color: var(--coral); margin-bottom: 18px; }
.eyebrow::before, .section-kicker::before { content: ""; width: 28px; height: 2px; background: currentColor; }
.hero-section h1 { max-width: 950px; }
.hero-lead { font-size: 1.28rem; max-width: 790px; margin: 26px 0 18px; color: #305c5e; }
.hero-copy { max-width: 760px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.primary-button, .secondary-button { display: inline-flex; align-items: center; justify-content: center; min-height: 54px; padding: 0 24px; border-radius: 999px; font-weight: 750; transition: .25s ease; }
.primary-button { background: var(--green-deep); color: #fff; box-shadow: 0 14px 35px rgba(11,79,81,.2); }
.primary-button:hover { transform: translateY(-2px); background: #083f41; color: #fff; }
.secondary-button { border: 1px solid rgba(21,56,59,.18); background: rgba(255,255,255,.55); }
.secondary-button:hover { transform: translateY(-2px); background: #fff; }
.hero-points { display: flex; flex-wrap: wrap; gap: 12px 22px; margin-top: 28px; color: #426568; font-size: .92rem; }
.hero-points span::before { content: "✓"; color: var(--green); margin-right: 7px; font-weight: 900; }
.hero-visual-card { position: relative; padding: 28px; }
.image-frame { overflow: hidden; background: #dcece8; box-shadow: var(--shadow); }
.image-frame img { width: 100%; height: 100%; object-fit: cover; }
.image-frame-large { height: 620px; border-radius: 140px 140px 32px 32px; }
.floating-note { position: absolute; width: 220px; padding: 17px 18px; border-radius: 18px; background: rgba(255,255,255,.94); backdrop-filter: blur(12px); box-shadow: 0 16px 38px rgba(22,66,65,.13); }
.floating-note strong, .floating-note span { display: block; }
.floating-note strong { color: var(--green-deep); margin-bottom: 3px; }
.floating-note span { font-size: .82rem; color: var(--ink-soft); line-height: 1.45; }
.note-one { left: -28px; top: 110px; }
.note-two { right: -18px; bottom: 85px; }

.trust-strip { padding: 22px 0; background: var(--green-deep); color: #fff; }
.trust-item { display: flex; align-items: center; justify-content: center; gap: 13px; min-height: 54px; }
.trust-item strong { color: #9bd9cc; font-size: .82rem; letter-spacing: .08em; }
.trust-item span { font-weight: 650; font-size: .92rem; }

.content-section { padding: 110px 0; }
.section-light { background: #fff; }
.section-soft { background: var(--mint); }
.section-deep { background: var(--green-deep); color: #fff; }
.section-deep h2, .section-deep p { color: #fff; }
.section-deep p { opacity: .82; }
.light-kicker { color: #b7e8dc; }
.section-heading { margin-bottom: 24px; }
.centered-heading { text-align: center; max-width: 980px; margin-left: auto; margin-right: auto; }
.centered-heading .section-kicker { justify-content: center; }
.centered-heading p { max-width: 850px; margin: 0 auto; font-size: 1.08rem; }
.narrow-heading { max-width: 830px; }
.split-heading { display: grid; grid-template-columns: 1.1fr .9fr; gap: 70px; align-items: end; }
.split-heading p { font-size: 1.05rem; }

.info-card { padding: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: .25s ease; }
.info-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.featured-card { background: var(--sand); border-color: transparent; }
.card-number { width: 48px; height: 48px; border-radius: 15px; display: grid; place-items: center; background: var(--green-light); color: var(--green-deep); font-weight: 850; margin-bottom: 52px; }
.info-card p { margin-bottom: 0; }
.image-frame-rounded { height: 560px; border-radius: 36px; }

.symptom-grid { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.symptom-item { padding: 38px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); min-height: 260px; }
.symptom-icon { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 50%; background: var(--green-light); color: var(--green-deep); font-size: 1.25rem; margin-bottom: 28px; }
.symptom-item p { margin: 0; }

.sticky-copy { position: sticky; top: 130px; }
.trigger-list { display: grid; gap: 16px; }
.trigger-list article { padding: 30px; border-radius: 24px; background: rgba(255,255,255,.72); border: 1px solid rgba(21,56,59,.08); }
.trigger-list h3 { margin: 13px 0 10px; }
.trigger-list p { margin: 0; }
.trigger-badge { display: inline-block; padding: 6px 10px; border-radius: 999px; background: #d7eee8; color: var(--green-deep); font-size: .74rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.text-link { display: inline-flex; gap: 8px; margin-top: 18px; color: var(--green-deep); font-weight: 800; }
.text-link span { transition: .2s; }
.text-link:hover span { transform: translateX(4px); }

.habit-card { height: 100%; padding: 30px; border-radius: 24px; background: #fff; border: 1px solid var(--line); box-shadow: 0 13px 35px rgba(22,70,68,.05); }
.habit-card > span { display: inline-block; margin-bottom: 42px; color: var(--coral); font-size: .82rem; font-weight: 850; letter-spacing: .1em; }
.habit-card p { margin: 0; }

.visual-story-section { padding-top: 20px; padding-bottom: 110px; background: #fff; }
.visual-story { border-radius: 36px; overflow: hidden; background: var(--green-deep); box-shadow: var(--shadow); }
.visual-story-image, .visual-story-image img { height: 100%; min-height: 610px; }
.visual-story-image img { width: 100%; object-fit: cover; }
.visual-story-copy { padding: 70px; color: #fff; }
.visual-story-copy h2, .visual-story-copy p { color: #fff; }
.visual-story-copy p { opacity: .82; }

.comparison-panel { border-radius: 30px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.comparison-row { display: grid; grid-template-columns: 150px 1fr; gap: 20px; padding: 25px 28px; border-bottom: 1px solid var(--line); background: #fff; }
.comparison-row:last-child { border-bottom: 0; }
.comparison-row strong { color: var(--green-deep); }
.comparison-row span { color: var(--ink-soft); }
.emphasis-row { background: var(--sand); }

.warning-section { padding-top: 0; background: #fff; }
.warning-box { padding: 48px; border-radius: 30px; background: #fff7f2; border: 1px solid rgba(218,126,100,.25); }
.warning-label { display: inline-block; margin-bottom: 24px; padding: 7px 11px; border-radius: 999px; background: #f5dfd7; color: #9c4f3c; text-transform: uppercase; letter-spacing: .08em; font-size: .74rem; font-weight: 850; }
.warning-box p:last-child { margin-bottom: 0; }

.faq-list { max-width: 930px; margin-left: auto; margin-right: auto; }
.faq-item { border-bottom: 1px solid rgba(21,56,59,.13); }
.faq-item button { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 24px 0; border: 0; background: transparent; text-align: left; color: var(--ink); font-size: 1.13rem; font-weight: 750; }
.faq-item button b { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; background: #dcefeb; transition: .25s ease; }
.faq-item.active button b { transform: rotate(45deg); }
.faq-answer { display: none; padding: 0 60px 25px 0; }
.faq-item.active .faq-answer { display: block; }
.faq-answer p { margin: 0; }

.story-card { height: 100%; border-radius: 26px; overflow: hidden; border: 1px solid var(--line); background: #fff; transition: .25s ease; }
.story-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.story-card-image { height: 240px; overflow: hidden; }
.story-card-image img { width: 100%; height: 100%; object-fit: cover; transition: .5s ease; }
.story-card:hover img { transform: scale(1.04); }
.story-card-body { padding: 28px; }
.story-card-body > span { color: var(--coral); font-weight: 800; font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; }
.story-card-body h3 { margin: 10px 0 12px; font-size: 1.45rem; }
.story-card-body a { display: inline-block; margin-top: 8px; color: var(--green-deep); font-weight: 800; }

.newsletter-section { padding: 0 0 90px; background: #fff; }
.newsletter-panel { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 60px; padding: 58px; border-radius: 34px; background: linear-gradient(135deg, #0c5758, #0a4244); color: #fff; box-shadow: var(--shadow); }
.newsletter-panel h2, .newsletter-panel p { color: #fff; }
.newsletter-panel p { opacity: .8; max-width: 760px; margin-bottom: 0; }
.newsletter-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.light-button { background: #fff; color: var(--green-deep); box-shadow: none; }
.light-button:hover { background: #f2fbf8; color: var(--green-deep); }
.light-outline { color: #fff; border-color: rgba(255,255,255,.3); background: rgba(255,255,255,.06); }
.light-outline:hover { color: #fff; background: rgba(255,255,255,.12); }

footer { padding: 78px 0 28px; background: #082f31; color: #fff; }
.footer-main { display: grid; grid-template-columns: 1.1fr 1.6fr; gap: 80px; }
.footer-brand { color: #fff; }
.footer-brand-block p { color: rgba(255,255,255,.65); max-width: 440px; margin: 22px 0; }
.social-links { display: flex; flex-wrap: wrap; gap: 11px; }
.social-links a { padding: 8px 12px; border: 1px solid rgba(255,255,255,.15); border-radius: 999px; color: rgba(255,255,255,.75); font-size: .86rem; }
.social-links a:hover { color: #fff; border-color: rgba(255,255,255,.35); }
.footer-links { display: grid; grid-template-columns: repeat(3,1fr); gap: 30px; }
.footer-links h3 { color: #fff; font-size: .95rem; margin-bottom: 20px; letter-spacing: .02em; }
.footer-links a { display: block; color: rgba(255,255,255,.65); margin: 9px 0; font-size: .92rem; }
.footer-links a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; margin-top: 62px; padding-top: 25px; border-top: 1px solid rgba(255,255,255,.1); }
.footer-bottom p { margin: 0; color: rgba(255,255,255,.5); font-size: .82rem; }
.footer-bottom .disclaimer { max-width: 700px; text-align: right; }

#back-to-top { position: fixed; right: 22px; bottom: 22px; width: 46px; height: 46px; border-radius: 50%; border: 0; background: var(--green-deep); color: #fff; box-shadow: 0 14px 34px rgba(11,79,81,.25); opacity: 0; visibility: hidden; transform: translateY(10px); transition: .25s; z-index: 900; }
#back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1199px) {
  .site-nav ul { gap: 16px; }
  .site-nav li a { font-size: .88rem; }
  .floating-note { width: 200px; }
  .symptom-grid { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 991px) {
  .site-nav { background: rgba(255,255,255,.92); backdrop-filter: blur(18px); padding: 10px 0; }
  .menu-toggle { display: block; }
  .site-nav ul { position: absolute; left: 12px; right: 12px; top: calc(100% + 2px); display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 14px 22px; border-radius: 20px; background: #fff; box-shadow: var(--shadow); }
  .site-nav ul.open { display: flex; }
  .site-nav li a { padding: 11px 2px; }
  .hero-section { padding-top: 125px; }
  .hero-visual-card { max-width: 650px; margin: 0 auto; }
  .image-frame-large { height: 540px; }
  .split-heading { grid-template-columns: 1fr; gap: 15px; }
  .sticky-copy { position: static; }
  .visual-story-copy { padding: 48px; }
  .newsletter-panel { grid-template-columns: 1fr; gap: 28px; }
  .footer-main { grid-template-columns: 1fr; gap: 50px; }
}

@media (max-width: 767px) {
  h1 { font-size: clamp(2.6rem, 12vw, 4.2rem); }
  .hero-section { min-height: auto; padding-bottom: 70px; }
  .hero-lead { font-size: 1.08rem; }
  .hero-actions { align-items: stretch; }
  .primary-button, .secondary-button { width: 100%; }
  .hero-points { display: grid; gap: 8px; }
  .hero-visual-card { padding: 8px 0; }
  .image-frame-large { height: 420px; border-radius: 90px 90px 26px 26px; }
  .floating-note { position: static; width: auto; margin-top: 12px; }
  .content-section { padding: 78px 0; }
  .symptom-grid { grid-template-columns: 1fr; }
  .symptom-item { min-height: auto; }
  .image-frame-rounded { height: 420px; }
  .visual-story-image, .visual-story-image img { min-height: 390px; }
  .visual-story-copy { padding: 38px 28px; }
  .comparison-row { grid-template-columns: 1fr; gap: 4px; }
  .warning-box { padding: 32px 24px; }
  .newsletter-panel { padding: 38px 28px; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; }
  .footer-bottom .disclaimer { text-align: left; }
}

@media (max-width: 480px) {
  .container { padding-left: 18px; padding-right: 18px; }
  .brand { font-size: .92rem; }
  .brand-mark { width: 38px; height: 38px; border-radius: 12px; }
  .footer-links { grid-template-columns: 1fr; }
  .story-card-image { height: 210px; }
}
