/* GHK-Cu Landing Page */
:root {
  --gold: #c88c4c;
  --gold-dark: #a66f35;
  --gold-light: #e8b87a;
  --copper: #b87333;
  --black: #1a1a1a;
  --gray: #6b6b6b;
  --gray-light: #f5f5f5;
  --gray-section: #ececec;
  --white: #ffffff;
  --serif: 'Playfair Display', Georgia, serif;
  --sans: 'Montserrat', 'Segoe UI', sans-serif;
  --max-width: 1400px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.6;
  color: var(--black);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography */
.serif { font-family: var(--serif); }
.gold { color: var(--gold); }

h1.product-title {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--black);
}

.subtitle-copper {
  font-size: 0.75rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--copper);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 4px;
}

.subtitle-copper::before,
.subtitle-copper::after {
  content: '';
  flex: 1;
  max-width: 40px;
  height: 1px;
  background: var(--copper);
}

.tagline {
  font-family: var(--serif);
  font-size: clamp(1rem, 2vw, 1.25rem);
  letter-spacing: 0.15em;
  font-weight: 600;
  margin: 14px 0 12px;
  color: var(--black);
}

.section-title {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
  color: var(--black);
}

/* Buttons */
.btn-buy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 16px 32px;
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 50%, var(--gold-dark) 100%);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 15px rgba(200, 140, 76, 0.4);
}

.btn-buy:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(200, 140, 76, 0.5);
}

.btn-buy svg { width: 20px; height: 20px; fill: currentColor; }

/* Checkmarks */
.check-list { list-style: none; }
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--gray);
}
.check-list li::before {
  content: '';
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 1px;
  background: var(--gold);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E");
  background-size: 12px;
  background-repeat: no-repeat;
  background-position: center;
}

/* ===== HERO ===== */
.hero {
  padding: 24px 0 16px;
  background: var(--white);
}

/* Hero = isti 4-stolpčni grid kot benefits (poravnava levo/desno) */
.hero-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  align-items: stretch;
  width: 100%;
}

.hero-text {
  grid-column: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0;
  min-width: 0;
}

.hero-intro {
  flex-shrink: 0;
}

.hero-logo {
  width: min(300px, 100%);
  margin-bottom: 12px;
}

.hero-text .tagline {
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
  margin: 0;
  letter-spacing: 0.1em;
}

.hero-desc {
  font-size: clamp(1rem, 1.3vw, 1.2rem);
  line-height: 1.7;
  color: var(--gray);
  margin: 0;
  max-width: none;
  flex-shrink: 0;
}

/* Benefit icons */
.benefit-icons {
  display: flex;
  gap: 12px;
  max-width: 100%;
  flex-shrink: 0;
}

.benefit-icon {
  flex: 1;
  text-align: center;
}

.benefit-icon-img {
  width: 100%;
  height: 50px;
  background-image: url('../images/benefit-icons.png');
  background-size: 500% 100%;
  background-repeat: no-repeat;
  margin-bottom: 10px;
}

.benefit-icon:nth-child(1) .benefit-icon-img { background-position: 0% center; }
.benefit-icon:nth-child(2) .benefit-icon-img { background-position: 25% center; }
.benefit-icon:nth-child(3) .benefit-icon-img { background-position: 50% center; }
.benefit-icon:nth-child(4) .benefit-icon-img { background-position: 75% center; }
.benefit-icon:nth-child(5) .benefit-icon-img { background-position: 100% center; }

.benefit-icon span {
  font-size: clamp(0.75rem, 0.9vw, 0.85rem);
  color: var(--gray);
  line-height: 1.35;
  display: block;
  font-weight: 500;
}

/* Hero visual – stolpca 2–3 */
.hero-visual {
  grid-column: 2 / 4;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  line-height: 0;
  min-width: 0;
}

.hero-visual .hero-main {
  display: block;
  width: auto;
  height: 460px;
  max-width: min(520px, 100%);
  object-fit: contain;
  object-position: bottom center;
}

/* Offer box – stolpec 4, poravnano z certificates spodaj */
.offer-box {
  grid-column: 4;
  width: 100%;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 2px solid var(--gold);
  border-radius: 6px;
  padding: 18px 16px 14px;
  text-align: center;
  background: var(--white);
  margin: 0;
  align-self: stretch;
  min-width: 0;
}

.offer-top {
  flex-shrink: 0;
}

.offer-label {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 4px;
}

.offer-discount {
  font-family: var(--serif);
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 16px;
}

.countdown-label {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 8px;
}

.countdown {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 20px;
}

.countdown-item {
  text-align: center;
}

.countdown-num {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--black);
  line-height: 1;
}

.countdown-unit {
  font-size: 0.55rem;
  text-transform: uppercase;
  color: var(--gray);
  letter-spacing: 0.05em;
}

.offer-vial-preview {
  max-height: 110px;
  margin: 0 auto 12px;
}

.trust-mini {
  display: flex;
  justify-content: space-between;
  gap: 6px;
  margin-top: 0;
  padding-top: 12px;
  border-top: 1px solid #eee;
  flex-shrink: 0;
}

.offer-box .btn-buy {
  flex-shrink: 0;
  margin: 0;
}

.trust-mini-item {
  flex: 1;
  text-align: center;
  font-size: 0.55rem;
  color: var(--gray);
  line-height: 1.3;
}

.trust-mini-item svg,
.trust-mini-item img {
  width: 28px;
  height: 28px;
  margin: 0 auto 4px;
  color: var(--gold);
}

/* ===== BENEFITS SECTION ===== */
.benefits-section {
  padding: 32px 0 48px;
  background: var(--white);
  border-top: 1px solid #eee;
}

.benefits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-areas:
    "why results"
    "expert certs";
  gap: 36px 40px;
  align-items: start;
}

.benefits-col-why { grid-area: why; }
.benefits-col-results { grid-area: results; }
.benefits-col-expert { grid-area: expert; }
.benefits-col-certs { grid-area: certs; }

.benefits-grid .section-title {
  margin-bottom: 16px;
}

.benefits-col-why .check-list li {
  margin-bottom: 8px;
  font-size: 0.78rem;
}

/* Results */
.results-visual img {
  width: 100%;
  margin-bottom: 16px;
}

.results-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  text-align: center;
}

.stat-pct {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gold);
}

.stat-label {
  font-size: 0.65rem;
  color: var(--gray);
}

.results-disclaimer {
  font-size: 0.6rem;
  color: #999;
  margin-top: 12px;
  font-style: italic;
}

/* Expert – besedilo enake višine kot slika */
.expert-card {
  display: flex;
  gap: 24px;
  align-items: stretch;
}

.expert-photo-wrap {
  flex: 0 0 175px;
  line-height: 0;
  display: flex;
  align-items: flex-end;
}

.expert-photo {
  display: block;
  width: 100%;
  height: auto;
  min-height: 280px;
  object-fit: contain;
  object-position: bottom center;
  border-radius: 4px;
  margin: 0;
}

.expert-details {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 280px;
}

.expert-header {
  flex-shrink: 0;
}

.expert-name {
  font-family: var(--serif);
  font-size: clamp(1.1rem, 1.4vw, 1.35rem);
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.2;
}

.expert-title {
  font-size: clamp(0.75rem, 0.9vw, 0.85rem);
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0;
  line-height: 1.4;
}

.expert-credentials {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  margin: 0;
  padding: 16px 0 0;
}

.expert-credentials li {
  margin-bottom: 0;
  font-size: clamp(0.82rem, 1vw, 0.95rem);
  line-height: 1.55;
}

/* Certificates – vidni EU certifikati */
.cert-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.cert-card {
  background: #fff;
  border: 1px solid #e0d5c8;
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 14px 10px 12px;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  transition: box-shadow 0.2s;
}

.cert-card:hover {
  box-shadow: 0 4px 16px rgba(200, 140, 76, 0.15);
}

.cert-card--eu {
  border-color: #d4b896;
  background: linear-gradient(180deg, #fff 0%, #faf6f0 100%);
}

.cert-card--eu::before {
  content: '';
  display: block;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #003399 0%, #ffcc00 50%, #003399 100%);
  border-radius: 6px 6px 0 0;
  margin: -14px -10px 10px;
  width: calc(100% + 20px);
}

.cert-badge {
  width: 100%;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
  padding: 8px;
  background: #faf8f5;
  border-radius: 4px;
  border: 1px dashed #e8dcc8;
}

.cert-badge img {
  max-width: 100%;
  max-height: 64px;
  width: auto;
  height: auto;
  object-fit: contain;
}

.cert-card h4 {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--black);
  line-height: 1.3;
  margin-bottom: 4px;
}

.cert-card p {
  font-size: 0.58rem;
  color: var(--gray);
  line-height: 1.35;
}

/* ===== EDUCATION ===== */
.education-section {
  padding: 40px 0 60px;
  background: var(--white);
}

.education-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  align-items: stretch;
}

.what-is,
.how-used {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
}

.what-is {
  grid-column: 1;
  position: relative;
}

.how-used {
  grid-column: 2;
}

.what-is .molecules-bg {
  position: absolute;
  right: -40px;
  top: 50%;
  transform: translateY(-50%);
  width: 200px;
  opacity: 0.15;
  z-index: 0;
  pointer-events: none;
}

.what-is-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex: 1;
  height: 100%;
}

.what-is .section-title,
.how-used .section-title {
  flex-shrink: 0;
  margin-bottom: 0;
}

.what-is p {
  font-size: clamp(0.9rem, 1.1vw, 1.05rem);
  color: var(--gray);
  margin-bottom: 0;
  line-height: 1.75;
  flex-shrink: 0;
}

.usage-list {
  list-style: none;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  margin-top: 8px;
}

.usage-item {
  display: flex;
  gap: 14px;
  margin-bottom: 0;
  align-items: flex-start;
}

.usage-item img {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  object-fit: contain;
}

.usage-item h4 {
  font-size: clamp(0.85rem, 1vw, 0.95rem);
  font-weight: 700;
  margin-bottom: 6px;
}

.usage-item p {
  font-size: clamp(0.8rem, 0.95vw, 0.9rem);
  color: var(--gray);
  line-height: 1.6;
}

.lab-image-wrap {
  grid-column: 3 / 5;
  position: relative;
  display: flex;
  align-items: stretch;
  min-height: 100%;
}

.lab-image-wrap img {
  border-radius: 4px;
  width: 100%;
  height: 100%;
  min-height: 380px;
  object-fit: cover;
  object-position: center;
}

/* ===== QUALITY BAR ===== */
.quality-section {
  padding: 50px 0;
  background: var(--gray-light);
  text-align: center;
}

.quality-section .section-title {
  margin-bottom: 36px;
  font-size: 1.3rem;
  letter-spacing: 0.12em;
}

.quality-icons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px 40px;
}

.quality-item {
  width: 110px;
  text-align: center;
}

.quality-item img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  margin: 0 auto 10px;
}

.quality-item span {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--black);
  line-height: 1.3;
  display: block;
}

/* ===== DISCLAIMER BAR ===== */
.disclaimer-bar {
  background: var(--gray-section);
  padding: 40px 0;
}

.disclaimer-grid {
  display: grid;
  grid-template-columns: 200px 1fr 280px;
  gap: 30px;
  align-items: start;
}

.warning-block {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.warning-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  color: #e6a817;
}

.warning-block h3 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.4;
}

.disclaimer-text {
  font-size: 0.72rem;
  color: var(--gray);
  line-height: 1.7;
}

.disclaimer-text p { margin-bottom: 10px; }

.contact-block {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.made-in-eu-badge img {
  max-width: 120px;
}

.contact-info h4 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  margin-bottom: 6px;
  color: var(--gray);
}

.contact-item svg { width: 16px; height: 16px; color: var(--gold); flex-shrink: 0; }

/* ===== MID CTA ===== */
.mid-cta {
  padding: 50px 0;
  background: var(--white);
}

.mid-cta-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 40px;
  align-items: center;
}

.mid-cta-offer .offer-label { font-size: 0.8rem; }
.mid-cta-offer .offer-discount { font-size: 3rem; }
.mid-cta-offer p { font-size: 0.85rem; color: var(--gray); margin-top: 8px; }

.mid-cta .btn-buy { width: auto; min-width: 280px; padding: 18px 48px; }

.mid-cta-trust {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-end;
}

.mid-cta-trust .trust-mini-item {
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
  font-size: 0.75rem;
}

.mid-cta-trust .trust-mini-item svg { width: 32px; height: 32px; flex-shrink: 0; }

/* ===== SCIENCE SECTION ===== */
.science-section {
  padding: 60px 0;
  background: var(--white);
  border-top: 1px solid #eee;
}

.science-grid {
  display: grid;
  grid-template-columns: 280px 1fr 1fr 160px;
  gap: 30px;
  align-items: start;
}

.science-product {
  position: relative;
}

.science-product .molecules-overlay {
  position: absolute;
  right: -30px;
  top: 0;
  width: 150px;
  opacity: 0.4;
  z-index: 0;
}

.science-product .product-img {
  position: relative;
  z-index: 1;
  max-height: 320px;
}

.hex-list { list-style: none; }

.hex-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.8rem;
  color: var(--gray);
}

.hex-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  background: var(--gold);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hex-icon svg { width: 14px; height: 14px; fill: white; }

.purity-badge {
  text-align: center;
  padding: 20px;
}

.purity-circle {
  width: 130px;
  height: 130px;
  border: 3px solid var(--gold);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  font-family: var(--serif);
}

.purity-circle .num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}

.purity-circle .label {
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
}

.purity-badge .sub {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--black);
}

/* ===== FOOTER TRUST ===== */
.footer-trust {
  background: var(--gray-light);
  padding: 50px 0;
  border-top: 1px solid #ddd;
}

.footer-trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.footer-trust-item {
  text-align: center;
}

.footer-trust-item svg {
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
  color: var(--gold);
}

.footer-trust-item h4 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.footer-trust-item p {
  font-size: 0.75rem;
  color: var(--gray);
  line-height: 1.5;
}

.site-footer {
  background: var(--black);
  color: #999;
  text-align: center;
  padding: 20px;
  font-size: 0.7rem;
}

.site-footer a { color: var(--gold-light); }

/* Responsive */
@media (max-width: 1100px) {
  .hero-grid {
    grid-template-columns: 1fr 280px;
    grid-template-areas:
      "text text"
      "visual offer";
    gap: 24px 20px;
  }
  .hero-text {
    grid-area: text;
    grid-column: auto;
    justify-content: flex-start;
    gap: 16px;
    min-height: auto !important;
    text-align: center;
    align-items: center;
  }
  .hero-intro {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
  }
  .hero-logo {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-desc {
    text-align: center;
  }
  .benefit-icons {
    width: 100%;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
  }
  .hero-visual {
    grid-area: visual;
    grid-column: auto;
  }
  .hero-visual .hero-main {
    height: auto;
    max-height: 400px;
  }
  .offer-box {
    grid-area: offer;
    grid-column: auto;
    justify-content: flex-start;
    gap: 12px;
  }
}

@media (max-width: 1200px) {
  .benefits-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "why results"
      "expert certs";
    gap: 28px;
  }
  .science-grid { grid-template-columns: 1fr 1fr; }
  .science-product, .purity-badge { grid-column: span 1; }
  .education-grid {
    grid-template-columns: 1fr 1fr;
  }
  .what-is,
  .how-used {
    grid-column: auto;
    justify-content: flex-start;
    gap: 16px;
    min-height: auto !important;
  }
  .what-is-content,
  .usage-list {
    justify-content: flex-start;
    flex: none;
  }
  .usage-list { gap: 18px; }
  .usage-item { margin-bottom: 0; }
  .lab-image-wrap {
    grid-column: 1 / -1;
  }
  .lab-image-wrap img {
    min-height: 280px;
    height: auto;
    max-height: 400px;
    object-fit: cover;
  }
}

@media (max-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "text"
      "visual"
      "offer";
    gap: 20px;
  }
  .hero-text {
    grid-area: text;
    text-align: center;
    align-items: center;
  }
  .hero-visual { grid-area: visual; }
  .offer-box { grid-area: offer; }
  .hero-text .tagline { font-size: 1.15rem; }
  .hero-desc { font-size: 0.9rem; text-align: center; }
  .hero-visual .hero-main { max-height: 360px; max-width: 100%; height: auto; }
  .offer-box { max-width: 340px; justify-self: center; width: 100%; }

  .benefits-grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "why"
      "results"
      "expert"
      "certs";
    gap: 28px;
  }
  .expert-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .expert-photo-wrap {
    flex: none;
    width: 200px;
    align-self: center;
  }
  .expert-photo {
    min-height: auto;
    max-height: 320px;
  }
  .expert-credentials {
    text-align: left;
  }

  .education-grid,
  .disclaimer-grid,
  .mid-cta-grid,
  .science-grid,
  .footer-trust-grid {
    grid-template-columns: 1fr;
  }
  .results-stats { grid-template-columns: repeat(2, 1fr); }
  .quality-icons { gap: 20px; }
  .mid-cta-trust { align-items: flex-start; }
  .mid-cta .btn-buy { width: 100%; }
}