/* ===== ROOT (DESIGN SYSTEM) ===== */
:root {
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --accent: #38bdf8;
  --green: #22c55e;

  --bg: #0f172a;
  --bg-soft: #1e293b;

  --text: #ffffff;
  --text-muted: #94a3b8;
  --text-soft: #cbd5f5;

  --border: rgba(255,255,255,0.08);

  --radius: 10px;
  --radius-lg: 18px;

  --shadow: 0 10px 40px rgba(0,0,0,0.4);

  --transition: 0.3s ease;
}

/* ===== GLOBAL ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: auto;
  padding: 0 20px;
}

.section-pad {
  padding: 80px 0;
}

/* ===== NAVBAR ===== */
.navbar {
  position: sticky;
  top: 0;
  background: rgba(15,23,42,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
}

.nav-logo {
  color: #fff;
  font-weight: bold;
  text-decoration: none;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 25px;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}

.nav-links a:hover {
  color: #fff;
}

.nav-cta {
  background: var(--primary);
  padding: 8px 14px;
  border-radius: var(--radius);
  color: #fff !important;
}

/* ================================
   HERO SECTION (STRUCTURED)
================================ */

/* ROOT VARIABLES */
:root {
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --accent: #38bdf8;
  --green: #22c55e;

  --bg-main: #0f172a;
  --bg-secondary: #1e293b;

  --text-main: #ffffff;
  --text-muted: #94a3b8;
  --text-soft: #cbd5f5;

  --radius: 10px;
  --radius-lg: 18px;

  --shadow: 0 10px 40px rgba(0,0,0,0.4);
}

/* HERO WRAPPER */
.hero {
  position: relative;
  padding: 80px 20px;
  background: linear-gradient(135deg, var(--bg-main), var(--bg-secondary));
  color: var(--text-main);
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(59,130,246,0.25), transparent);
}

/* LAYOUT */
.hero-container {
  max-width: 1200px;
  margin: auto;
  display: flex;
  gap: 50px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

/* LEFT CONTENT */
.hero-content {
  flex: 1;
  min-width: 300px;
}

.hero-badge {
  display: inline-block;
  background: var(--green);
  color: #000;
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 15px;
}

.hero-title {
  font-family: 'Playfair Display', serif;
  font-size: 44px;
  line-height: 1.2;
  margin-bottom: 15px;
}

.hero-title span {
  color: var(--accent);
}

.hero-subtitle {
  font-size: 16px;
  color: var(--text-soft);
  margin-bottom: 20px;
}

/* BENEFITS */
.hero-benefits {
  list-style: none;
  padding: 0;
  margin: 20px 0;
}

.hero-benefits li {
  margin-bottom: 8px;
  font-size: 15px;
}

/* BUTTONS */
.hero-buttons {
  display: flex;
  gap: 15px;
  margin: 25px 0;
  flex-wrap: wrap;
}

.btn {
  padding: 12px 22px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  transition: 0.3s ease;
}

.btn.primary {
  background: var(--primary);
  color: #fff;
}

.btn.primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.btn.secondary {
  border: 1px solid var(--text-muted);
  color: #fff;
}

.btn.secondary:hover {
  background: var(--bg-secondary);
}

/* TRUST BADGES */
.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 10px;
  font-size: 14px;
  color: var(--text-muted);
}

/* STATS */
.hero-stats {
  display: flex;
  gap: 30px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.hero-stats h3 {
  font-size: 22px;
}

.hero-stats p {
  font-size: 13px;
  color: var(--text-muted);
}

/* TESTIMONIAL */
.hero-testimonial {
  margin-top: 25px;
  background: rgba(255,255,255,0.05);
  padding: 15px;
  border-radius: var(--radius);
  font-size: 14px;
}

.hero-testimonial span {
  display: block;
  margin-top: 8px;
  color: var(--accent);
}

/* RIGHT IMAGE */
.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: flex-end; /* bottom aligned */
  position: relative;
  min-width: 300px;
}

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

/* FLOATING CARD */
.floating-card {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: var(--green);
  color: #000;
  padding: 15px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow);
}

.floating-card h4 {
  font-size: 14px;
}

.floating-card .price {
  font-size: 22px;
  font-weight: bold;
}

/* ================================
   RESPONSIVE
================================ */

@media (max-width: 768px) {

  .hero-container {
    flex-direction: column;
    text-align: center;
  }

  .hero-title {
    font-size: 30px;
  }

  .hero-buttons {
    justify-content: center;
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .hero-stats {
    justify-content: center;
  }

  .trust-badges {
    justify-content: center;
  }

  .hero-image {
    align-items: center; /* reset for mobile */
    margin-top: 20px;
  }

  .floating-card {
    position: static;
    margin-top: 15px;
  }
}
/* TRUST BAR */
.trust-bar {
  background: var(--bg-soft);
  padding: 15px;
}

.trust-inner {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 10px;
}

/* ===== CARDS ===== */
.review-card,
.benefit-card,
.science-card,
.proscons-card,
.pricing-card {
  background: var(--bg-soft);
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.review-card:hover,
.benefit-card:hover,
.science-card:hover {
  transform: translateY(-5px);
}

/* GRID */
.reviews-grid,
.benefits-grid,
.science-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px,1fr));
  gap: 20px;
}

/* MODULES */
.module-item {
  display: flex;
  gap: 20px;
  margin-bottom: 25px;
  padding: 20px;
  background: var(--bg-soft);
  border-radius: var(--radius);
}

/* PRICING */
.pricing-card {
  text-align: center;
}

.price-now {
  font-size: 36px;
  color: var(--accent);
}

/* GUARANTEE */
.guarantee-box {
  display: flex;
  gap: 20px;
  align-items: center;
  background: var(--bg-soft);
  padding: 30px;
  border-radius: var(--radius);
}

/* FAQ */
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 15px 0;
}

.faq-q {
  background: none;
  border: none;
  color: #fff;
  font-size: 16px;
  width: 100%;
  text-align: left;
  cursor: pointer;
}

/* FINAL CTA */
.final-cta {
  text-align: center;
  padding: 80px 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

/* FOOTER */
.footer {
  background: var(--bg-soft);
  padding: 40px 20px;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  list-style: none;
}

/* STICKY CTA */
.sticky-cta {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--primary);
  color: #fff;
  padding: 12px 18px;
  border-radius: var(--radius);
  text-decoration: none;
  box-shadow: var(--shadow);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero-container {
    flex-direction: column;
    text-align: center;
  }

  .hero-title {
    font-size: 30px;
  }

  .nav-links {
    display: none;
  }

  .hero-image {
    align-items: center;
  }

  .guarantee-box {
    flex-direction: column;
    text-align: center;
  }
}
/* ===== TABLET (1024px) ===== */
@media (max-width: 1024px) {

  .hero-container {
    gap: 30px;
  }

  .hero-title {
    font-size: 36px;
  }

  .nav-links {
    gap: 15px;
  }

  .guarantee-box {
    flex-direction: column;
    text-align: center;
  }

  .module-item {
    flex-direction: column;
  }
}

/* ===== MOBILE (768px) ===== */
@media (max-width: 768px) {

  /* NAVBAR */
  .nav-links {
    position: absolute;
    top: 70px;
    right: 0;
    background: #1e293b;
    width: 100%;
    flex-direction: column;
    align-items: center;
    display: none;
    padding: 20px 0;
  }

  .nav-links.active {
    display: flex;
  }

  .hamburger {
    display: block;
    cursor: pointer;
  }

  /* HERO */
  .hero-container {
    flex-direction: column;
    text-align: center;
  }

  .hero-title {
    font-size: 30px;
  }

  .hero-subtitle {
    font-size: 14px;
  }

  .hero-buttons {
    justify-content: center;
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .hero-stats {
    justify-content: center;
    gap: 20px;
  }

  .trust-badges {
    justify-content: center;
    text-align: center;
  }

  .hero-image {
    align-items: center; /* remove bottom push for mobile */
    margin-top: 20px;
  }

  /* GRIDS */
  .reviews-grid,
  .benefits-grid,
  .science-grid {
    grid-template-columns: 1fr;
  }

  /* MODULES */
  .module-item {
    flex-direction: column;
  }

  /* PRICING */
  .pricing-card {
    padding: 20px 15px;
  }

  /* CTA */
  .final-cta h2 {
    font-size: 24px;
  }

  .btn-xl {
    width: 100%;
  }

  /* FOOTER */
  .footer-links {
    flex-direction: column;
    gap: 10px;
  }

  /* STICKY CTA */
  .sticky-cta {
    width: calc(100% - 40px);
    right: 20px;
    text-align: center;
  }
}

/* ===== SMALL MOBILE (480px) ===== */
@media (max-width: 480px) {

  .hero-title {
    font-size: 24px;
  }

  .section-title {
    font-size: 24px;
  }

  .hero-subtitle {
    font-size: 13px;
  }

  .btn {
    font-size: 14px;
    padding: 10px 15px;
  }

  .pricing-price {
    font-size: 28px;
  }

  .review-card,
  .benefit-card,
  .science-card {
    padding: 15px;
  }
}