/* ============================================
   GaztroPlus+ Educate Web – Theme & Layout
   Green + gold, senior-friendly, mobile-first
   ============================================ */

:root {
  --color-green: #1a5f2a;
  --color-green-light: #2d8a3e;
  --color-gold: #c9a227;
  --color-gold-light: #e6c04a;
  --color-bg: #f8faf5;
  --color-bg-section: #eef5ea;
  --color-bg-faq: #e8f0e5;
  --color-text: #1a1a1a;
  --color-text-muted: #444;
  --color-white: #fff;
  --font-size-base: 18px;
  --font-size-lg: 20px;
  --font-size-h1: 1.75rem;
  --font-size-h2: 1.5rem;
  --font-size-h3: 1.2rem;
  --line-height: 1.65;
  --line-height-tight: 1.35;
  --space: 1.25rem;
  --space-lg: 2rem;
  --space-section: 3rem;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-soft: 0 4px 20px rgba(0,0,0,0.06);
  --transition: 0.2s ease;
  --max-width-content: 720px;
  --max-width-narrow: 560px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--color-text);
  background: var(--color-bg);
}

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

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

a:hover {
  text-decoration: underline;
}

.container {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.85rem 1.5rem;
  font-size: var(--font-size-lg);
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-whatsapp {
  background: #25d366;
  color: var(--color-white);
}

.btn-whatsapp:hover {
  background: #20bd5a;
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--color-gold);
  color: var(--color-text);
}

.btn-secondary:hover {
  background: var(--color-gold-light);
  text-decoration: none;
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.25rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--space) var(--space-lg);
}

.logo-link {
  display: block;
  text-decoration: none;
}

.logo-img {
  max-height: 48px;
  width: auto;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
}

.main-nav a {
  padding: 0.5rem 0.75rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  border-radius: 6px;
}

.main-nav a:hover {
  background: var(--color-bg);
  color: var(--color-green);
}

.nav-wa {
  background: #25d366;
  color: var(--color-white) !important;
}

.nav-wa:hover {
  background: #20bd5a !important;
  text-decoration: none !important;
}

.nav-toggle {
  display: none;
  min-width: 44px;
  min-height: 44px;
  padding: 0 0.75rem;
  background: var(--color-bg);
  border: 1px solid var(--color-text-muted);
  border-radius: 6px;
  cursor: pointer;
  font-size: 1rem;
  font-family: inherit;
}

.nav-toggle span {
  display: block;
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
  }
  .main-nav.is-open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--space);
    box-shadow: var(--shadow);
  }
  .nav-toggle {
    display: block;
  }
}

/* Sections – consistent rhythm */
.section {
  padding: var(--space-section) 0;
  background: var(--color-white);
}

.section:nth-child(even) {
  background: var(--color-bg-section);
}

.section-title {
  font-size: var(--font-size-h2);
  color: var(--color-green);
  margin: 0 0 var(--space-lg);
  text-align: center;
  line-height: var(--line-height-tight);
  font-weight: 700;
}

.section-intro,
.section-subtitle {
  text-align: center;
  margin: 0 auto var(--space-section);
  color: var(--color-text-muted);
  max-width: var(--max-width-content);
  line-height: var(--line-height);
}

.section-cta {
  text-align: center;
  margin: var(--space-section) 0 0;
}

/* Hero – clearer hierarchy and breathing room */
.hero {
  background: linear-gradient(180deg, var(--color-bg-section) 0%, var(--color-white) 100%);
  padding: var(--space-section) 0;
}

.hero .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-section);
  justify-content: center;
}

.hero-content {
  flex: 1;
  min-width: 280px;
  max-width: 520px;
}

.hero-title {
  font-size: var(--font-size-h1);
  line-height: var(--line-height-tight);
  margin: 0 0 var(--space-lg);
  color: var(--color-text);
}

.hero-title strong {
  color: var(--color-green);
}

.hero-sub {
  margin: 0 0 var(--space-lg);
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  line-height: var(--line-height);
}

.hero-visual {
  flex: 1;
  min-width: 240px;
  max-width: 380px;
  text-align: center;
}

.hero-img {
  margin: 0 auto;
  max-width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.hero-trust {
  padding: var(--space-lg) 0;
  background: var(--color-bg);
  margin-top: var(--space-lg);
}

.trust-banner {
  margin: 0 auto;
  max-width: 400px;
  display: block;
}

/* Benefits – image then grid with clear separation */
.benefits-hero-img {
  margin: 0 0 var(--space-section);
  text-align: center;
}

.benefits-img {
  max-width: 100%;
  width: auto;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin: 0;
}

.benefit-card {
  background: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,0.06);
}

.benefit-icon {
  font-size: 1.5rem;
  display: block;
  margin-bottom: 0.75rem;
}

.benefit-card p {
  margin: 0;
  font-size: 1rem;
  line-height: var(--line-height);
}

/* Ingredients – main asset then cards */
.bahan-main-asset {
  margin: 0 0 var(--space-section);
  text-align: center;
}

.bahan-main-img {
  max-width: 100%;
  width: auto;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.ingredient-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-lg);
  margin: 0;
}

.ingredient-card {
  background: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border-left: 4px solid var(--color-gold);
}

.ingredient-card h3 {
  margin: 0 0 0.5rem;
  font-size: var(--font-size-h3);
  color: var(--color-green);
  font-weight: 700;
}

.ingredient-card p {
  margin: 0;
  font-size: 0.95rem;
  line-height: var(--line-height);
}

/* How to use – product photos then methods */
.product-photos {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  justify-content: center;
  margin: 0 0 var(--space-section);
}

.product-photos img {
  max-width: 180px;
  width: auto;
  height: auto;
  border-radius: var(--radius);
  object-fit: contain;
  box-shadow: var(--shadow);
}

/* Cara Pengambilan – improved layout */
.how-intro {
  margin-bottom: var(--space-section) !important;
}

.how-methods-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: center;
  gap: var(--space-lg);
  margin: 0 0 var(--space-section);
}

.how-method {
  flex: 1;
  min-width: 260px;
  max-width: 340px;
  background: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,0.06);
  border-top: 3px solid var(--color-green);
  position: relative;
}

.how-method-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: var(--color-green);
  color: var(--color-white);
  font-size: 1rem;
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: 0.75rem;
}

.how-method h3 {
  margin: 0 0 0.5rem;
  color: var(--color-green);
  font-weight: 700;
  font-size: 1.15rem;
}

.how-method p {
  margin: 0;
  line-height: var(--line-height);
}

.how-note {
  margin-top: 0.75rem !important;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.how-or {
  display: flex;
  align-items: center;
  padding: 0 0.5rem;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (max-width: 640px) {
  .how-methods-wrap {
    flex-direction: column;
    align-items: center;
  }
  .how-or {
    padding: 0.25rem 0;
  }
}

.how-tips-block {
  margin: var(--space-section) 0 0;
  padding: var(--space-lg);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border-left: 4px solid var(--color-green);
}

.how-tips-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1rem;
  font-size: var(--font-size-h3);
  color: var(--color-green);
  font-weight: 700;
}

.how-tips-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  background: var(--color-green);
  color: var(--color-white);
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 50%;
  flex-shrink: 0;
}

.how-tips {
  margin: 0;
  padding-left: 1.75rem;
  max-width: var(--max-width-narrow);
  line-height: var(--line-height);
  list-style: none;
}

.how-tips li {
  margin-bottom: 0.6rem;
  position: relative;
}

.how-tips li::before {
  content: "";
  position: absolute;
  left: -1.5rem;
  top: 0.55em;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--color-green);
  border-radius: 50%;
}

.certs-inline {
  margin-top: var(--space-section);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.certs-inline span {
  margin-right: 1rem;
}

.certs-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.cert-pill {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  background: var(--color-bg-section);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-right: 0 !important;
}

/* Experts */
.experts-visual {
  margin: 0;
  text-align: center;
}

.experts-visual img {
  margin: 0 auto;
  max-width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

/* Testimonials – equal-height cards, comfortable read */
.testimonial-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin: 0;
  align-items: start;
}

.testimonial-card {
  background: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border-left: 4px solid var(--color-gold);
}

.testimonial-img {
  width: 100%;
  max-height: 200px;
  object-fit: contain;
  border-radius: var(--radius);
  margin-bottom: 1rem;
}

.testimonial-quote {
  margin: 0 0 0.75rem;
  font-style: italic;
  line-height: var(--line-height);
}

.testimonial-author {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

/* Certs */
.certs-visual {
  margin: 0;
  text-align: center;
}

.certs-visual img {
  margin: 0 auto;
  max-width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

/* FAQ – easier to scan */
.section-faq {
  background: var(--color-bg-faq);
}

.faq-subtitle {
  text-align: center;
  margin: 0 0 0.5rem;
  font-size: var(--font-size-lg);
}

.faq-intro {
  text-align: center;
  margin: 0 auto var(--space-section);
  max-width: var(--max-width-narrow);
  color: var(--color-text-muted);
  line-height: var(--line-height);
}

.faq-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.faq-item {
  margin-bottom: 1rem;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space);
  padding: 1.1rem 1.5rem;
  font-size: 1.05rem;
  font-weight: 600;
  text-align: left;
  background: var(--color-white);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  color: var(--color-text);
  line-height: var(--line-height-tight);
}

.faq-question:hover {
  border-color: var(--color-green-light);
  background: #f8faf5;
}

.faq-icon {
  flex-shrink: 0;
  font-size: 1.25rem;
  color: var(--color-green);
  transition: transform var(--transition);
}

.faq-item.is-open .faq-icon {
  transform: rotate(90deg);
}

.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.3s ease;
}

.faq-answer p {
  margin: 0;
  padding: 1.25rem 1.5rem 1.5rem;
  background: var(--color-white);
  border: 1px solid rgba(0,0,0,0.06);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  font-size: 0.98rem;
  color: var(--color-text-muted);
  line-height: var(--line-height);
}

.faq-cta {
  text-align: center;
  margin: var(--space-section) 0 0;
}

.inline-wa {
  margin-left: 0.25rem;
}

/* Final CTA */
.section-cta {
  background: var(--color-green);
  color: var(--color-white);
  padding: var(--space-section) 0;
}

.section-cta .section-title {
  color: var(--color-white);
}

.cta-text {
  text-align: center;
  margin: 0 0 var(--space-lg);
  color: rgba(255,255,255,0.95);
  line-height: var(--line-height);
}

.section-cta .btn-whatsapp {
  background: var(--color-gold);
  color: var(--color-text);
}

.section-cta .btn-whatsapp:hover {
  background: var(--color-gold-light);
}

/* Footer – readable disclaimer */
.site-footer {
  background: var(--color-bg-faq);
  padding: var(--space-section) 0;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.site-footer .container {
  max-width: var(--max-width-content);
}

.footer-copy,
.footer-address {
  margin: 0 0 0.5rem;
}

.footer-disclaimer {
  margin: var(--space-lg) 0 0;
}

.footer-disclaimer p {
  margin: 0;
  line-height: 1.7;
}

/* Floating WhatsApp – clear hit area, doesn’t cover content */
.float-wa {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 99;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 56px;
  min-height: 56px;
  padding: 0.75rem 1rem;
  background: #25d366;
  color: var(--color-white);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 28px;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  text-decoration: none;
  transition: var(--transition);
}

.float-wa:hover {
  background: #20bd5a;
  transform: scale(1.05);
  text-decoration: none;
  color: var(--color-white);
}

@media (max-width: 768px) {
  .float-wa {
    bottom: 1.25rem;
    right: 1.25rem;
  }
}