/* =========================================================
   KlaroNail — Shared Stylesheet
   Theme: light | Bottle green #51a64f | Navy #142d53
   Buttons: yellow | Strip: white
   ========================================================= */

:root {
  --navy: #142d53;
  --navy-deep: #0d1f3a;
  --green: #51a64f;
  --green-deep: #3c8a3b;
  --green-soft: #eaf6ea;
  --yellow: #ffc736;
  --yellow-deep: #f2a900;
  --white: #ffffff;
  --bg-soft: #f4f9f5;
  --text: #1e2a35;
  --text-soft: #55697a;
  --border: #e2ece3;
  --shadow: 0 10px 30px rgba(20, 45, 83, 0.08);
  --shadow-lift: 0 18px 40px rgba(20, 45, 83, 0.16);
  --radius: 16px;
  --font-head: "Poppins", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  font-size: 18px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--navy);
  line-height: 1.25;
  margin: 0 0 16px;
}

h1 { font-size: clamp(2.4rem, 5vw, 3.4rem); font-weight: 700; letter-spacing: -0.5px; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.3rem); font-weight: 700; }
h3 { font-size: 1.4rem; font-weight: 600; }
p { margin: 0 0 16px; color: var(--text); }
a { color: var(--green-deep); text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
section { padding: 78px 0; }
.bg-soft { background: var(--bg-soft); }
.bg-navy { background: var(--navy); color: #fff; }
.bg-navy h2, .bg-navy h3 { color: #fff; }
.eyebrow {
  display: inline-block;
  color: var(--green-deep);
  background: var(--green-soft);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 30px;
  margin-bottom: 14px;
}
.section-title { text-align: center; max-width: 720px; margin: 0 auto 46px; }
.section-title p { color: var(--text-soft); font-size: 1.08rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  padding: 16px 34px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.25s cubic-bezier(.2,.8,.2,1), box-shadow 0.25s ease, background 0.25s ease;
  position: relative;
  overflow: hidden;
}
.btn-yellow {
  background: linear-gradient(135deg, var(--yellow) 0%, var(--yellow-deep) 100%);
  color: var(--navy-deep);
  box-shadow: 0 10px 24px rgba(242, 169, 0, 0.4);
}
.btn-yellow:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 16px 32px rgba(242, 169, 0, 0.55);
  background: linear-gradient(135deg, #ffd766 0%, var(--yellow) 100%);
}
.btn-yellow::after {
  content: "";
  position: absolute;
  top: 0; left: -75%;
  width: 50%; height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,0.65), transparent);
  transform: skewX(-25deg);
  transition: left 0.6s ease;
}
.btn-yellow:hover::after { left: 130%; }
.btn-large { padding: 20px 46px; font-size: 1.2rem; }
.btn-outline-navy {
  background: transparent;
  border: 2px solid var(--navy);
  color: var(--navy);
}
.btn-outline-navy:hover { background: var(--navy); color: #fff; transform: translateY(-3px); }

/* ---------- Header ---------- */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: 1180px;
  margin: 0 auto;
}
.logo {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--navy);
  display: flex;
  align-items: center;
  gap: 6px;
}
.logo span { color: var(--green); }
nav.main-nav { display: flex; align-items: center; gap: 34px; }
nav.main-nav a {
  color: var(--navy);
  font-weight: 600;
  font-size: 0.98rem;
  position: relative;
  padding: 4px 2px;
}
nav.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -4px;
  width: 0%;
  height: 2px;
  background: var(--green);
  transition: width 0.3s ease;
}
nav.main-nav a:hover::after { width: 100%; }
nav.main-nav a:hover { color: var(--green-deep); }
.header-cta { display: flex; align-items: center; gap: 18px; }
.menu-toggle { display: none; background: none; border: none; font-size: 1.6rem; color: var(--navy); cursor: pointer; }

/* Trust strip (white) */
.trust-strip {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.trust-strip .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 34px;
}
.trust-strip span {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.3px;
}
.trust-strip span::before {
  content: "✓";
  color: var(--green);
  font-weight: 900;
}

/* ---------- Hero / Intro ---------- */
.hero {
  padding: 70px 0 90px;
  background: radial-gradient(circle at 85% 10%, var(--green-soft) 0%, transparent 55%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: center;
}
.hero-image {
  position: relative;
  animation: floatY 5s ease-in-out infinite;
}
.hero-image img {
  border-radius: 24px;
  box-shadow: var(--shadow-lift);
}
@keyframes floatY {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-14px); }
}
.hero-content .h2-tagline {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 1.35rem;
  color: var(--green-deep);
  margin-bottom: 20px;
}
.hero-content .stars {
  color: var(--yellow-deep);
  font-size: 1.1rem;
  margin-bottom: 14px;
}
.hero-badges { display: flex; gap: 14px; margin: 26px 0; flex-wrap: wrap; }
.hero-badges div {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 18px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--navy);
  text-align: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.hero-badges div:hover { transform: translateY(-5px); box-shadow: var(--shadow); }

/* ---------- Quick overview ---------- */
.overview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.overview-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 22px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.overview-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lift);
  border-color: var(--green);
}
.overview-card .icon { font-size: 2.2rem; margin-bottom: 12px; }
.overview-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.overview-card p { font-size: 0.92rem; color: var(--text-soft); margin: 0; }

/* ---------- Why stands out ---------- */
.stands-out-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-top: 20px;
}
.stands-out-card {
  background: var(--bg-soft);
  border-radius: var(--radius);
  padding: 32px 26px;
  border-top: 4px solid var(--green);
  transition: transform 0.3s ease, background 0.3s ease;
}
.stands-out-card:hover { transform: translateY(-6px); background: var(--green-soft); }
.stands-out-card h3 { color: var(--navy); }

/* ---------- Benefits (What KlaroNail does for you) ---------- */
.benefits-list { display: grid; gap: 22px; margin-top: 10px; }
.benefit-row {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.benefit-row:hover { box-shadow: var(--shadow); transform: translateX(6px); }
.benefit-num {
  flex: 0 0 auto;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  font-family: var(--font-head);
}

/* ---------- Care before buying ---------- */
.care-box {
  background: #fff8e6;
  border: 1px solid #ffe6a1;
  border-radius: var(--radius);
  padding: 34px;
}
.care-box ul { margin: 0; padding-left: 22px; }
.care-box li { margin-bottom: 12px; }

/* ---------- Ingredients ---------- */
.ingredients-image { text-align: center; margin-bottom: 40px; }
.ingredients-image img {
  border-radius: var(--radius);
  margin: 0 auto;
  box-shadow: var(--shadow);
  max-width: 640px;
  width: 100%;
}
table.data-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
table.data-table th {
  background: var(--navy);
  color: #fff;
  text-align: left;
  padding: 16px 18px;
  font-family: var(--font-head);
  font-size: 0.95rem;
}
table.data-table td {
  padding: 15px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 0.96rem;
  vertical-align: top;
}
table.data-table tr:nth-child(even) td { background: var(--bg-soft); }
table.data-table tr:hover td { background: var(--green-soft); }

/* ---------- Pricing ---------- */
.pricing-image-link { display: block; text-align: center; }
.pricing-image-link img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lift);
  transition: transform 0.3s ease;
  max-width: 780px;
  width: 100%;
  margin: 0 auto;
}
.pricing-image-link:hover img { transform: scale(1.015); }

/* ---------- Comparison table ---------- */
.compare-wrap { overflow-x: auto; }
table.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}
table.compare-table th, table.compare-table td {
  padding: 16px 18px;
  text-align: center;
  border: 1px solid var(--border);
}
table.compare-table thead th { background: var(--navy); color: #fff; font-family: var(--font-head); }
table.compare-table td:first-child, table.compare-table th:first-child { text-align: left; font-weight: 600; }
table.compare-table tbody tr:nth-child(even) td { background: var(--bg-soft); }
table.compare-table .col-klaro { background: var(--green-soft); font-weight: 700; color: var(--green-deep); }

/* ---------- Bonuses ---------- */
.bonus-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.bonus-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.bonus-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lift); }
.bonus-card img { width: 100%; }
.bonus-card .bonus-body { padding: 20px; }
.bonus-tag {
  display: inline-block;
  background: var(--yellow);
  color: var(--navy-deep);
  font-weight: 800;
  font-size: 0.78rem;
  padding: 5px 12px;
  border-radius: 20px;
  margin-bottom: 10px;
}

/* ---------- Guarantee ---------- */
.guarantee-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 50px;
  align-items: center;
}
.guarantee-grid img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ---------- Reviews ---------- */
.reviews-summary-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
  box-shadow: var(--shadow);
}
.reviews-summary-box .big-score {
  font-family: var(--font-head);
  font-size: 3.4rem;
  font-weight: 800;
  color: var(--navy);
}
.reviews-summary-box .stars { color: var(--yellow-deep); font-size: 1.6rem; margin: 8px 0; }
.review-photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 40px;
}
.review-photo-grid img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform 0.3s ease;
}
.review-photo-grid img:hover { transform: translateY(-6px) scale(1.02); }
.review-placeholder-note {
  font-size: 0.85rem;
  color: var(--text-soft);
  text-align: center;
  margin-top: 14px;
  font-style: italic;
}

/* ---------- FAQ ---------- */
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 14px;
  overflow: hidden;
}
.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 24px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
.faq-question .icon { transition: transform 0.3s ease; color: var(--green); font-size: 1.3rem; }
.faq-item.open .faq-question .icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 24px;
  color: var(--text-soft);
}
.faq-item.open .faq-answer { max-height: 400px; padding: 0 24px 22px; }

/* ---------- Final price highlight ---------- */
.final-price-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  background: var(--navy);
  border-radius: 24px;
  padding: 50px;
  color: #fff;
}
.final-price-box img { border-radius: 16px; box-shadow: 0 20px 40px rgba(0,0,0,0.35); }
.price-compare { display: flex; align-items: baseline; gap: 18px; margin: 18px 0 26px; }
.price-old { font-size: 1.6rem; color: #9fb3cc; text-decoration: line-through; }
.price-new { font-size: 3rem; font-weight: 800; font-family: var(--font-head); color: var(--yellow); }

/* ---------- Footer ---------- */
footer.site-footer {
  background: var(--navy-deep);
  color: #cdd9e8;
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-grid h4 { color: #fff; font-size: 1.05rem; margin-bottom: 16px; }
.footer-grid a { color: #b8c6db; display: block; margin-bottom: 10px; transition: color 0.2s ease, padding-left 0.2s ease; }
.footer-grid a:hover { color: var(--green); padding-left: 4px; }
.fda-box {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 28px;
  font-size: 0.85rem;
  color: #93a4bb;
  line-height: 1.7;
}
.fda-box strong { color: #cdd9e8; }

/* ---------- Back to top ---------- */
#backToTop {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  border: none;
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lift);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.35s ease;
  z-index: 998;
}
#backToTop.show { opacity: 1; visibility: visible; transform: translateY(0); }
#backToTop:hover { background: var(--green-deep); transform: translateY(-4px); }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ---------- Legal / education pages ---------- */
.legal-page main, .edu-page main { padding: 60px 0 90px; }
.legal-page h2 { margin-top: 34px; }
.edu-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: #fff;
  padding: 70px 0 60px;
  text-align: center;
}
.edu-hero .eyebrow { background: rgba(255,255,255,0.12); color: var(--yellow); }
.edu-hero h1 { color: #fff; max-width: 820px; margin: 0 auto; }
.edu-hero p.lede { color: #cdd9e8; max-width: 700px; margin: 18px auto 0; font-size: 1.1rem; }
.back-home-btn-wrap { text-align: center; margin: 46px 0; }
article.edu-body { max-width: 820px; margin: 0 auto; }
article.edu-body h2 { margin-top: 44px; }
article.edu-body h3 { margin-top: 28px; color: var(--green-deep); }
article.edu-body ul, article.edu-body ol { padding-left: 24px; }
article.edu-body li { margin-bottom: 10px; }
.callout {
  background: var(--bg-soft);
  border-left: 4px solid var(--green);
  padding: 22px 26px;
  border-radius: 10px;
  margin: 30px 0;
}
.sources-note { font-size: 0.85rem; color: var(--text-soft); border-top: 1px solid var(--border); margin-top: 50px; padding-top: 20px; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid, .guarantee-grid, .final-price-box { grid-template-columns: 1fr; }
  .overview-grid { grid-template-columns: repeat(2, 1fr); }
  .stands-out-grid, .bonus-grid, .review-photo-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 960px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  nav.main-nav { position: fixed; top: 68px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 20px 24px; gap: 18px; border-bottom: 1px solid var(--border); display: none; }
  nav.main-nav.open { display: flex; }
  .menu-toggle { display: block; }
  .overview-grid, .stands-out-grid, .bonus-grid, .review-photo-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  section { padding: 54px 0; }
  .care-box, .final-price-box { padding: 26px; }
}