/* === Reset & Base === */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-primary: #b5651d;
  --color-primary-dark: #8b4513;
  --color-primary-light: #d4a574;
  --color-warm: #fdf6ee;
  --color-warm-dark: #f5e6d3;
  --color-text: #2d2016;
  --color-text-light: #6b5b4f;
  --color-white: #ffffff;
  --color-cream: #fffaf5;
  --color-accent: #c67b3c;
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Lora', Georgia, serif;
  --shadow-sm: 0 2px 8px rgba(45, 32, 22, 0.08);
  --shadow-md: 0 4px 20px rgba(45, 32, 22, 0.12);
  --shadow-lg: 0 8px 40px rgba(45, 32, 22, 0.15);
  --radius: 12px;
  --radius-lg: 20px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  line-height: 1.8;
  background: var(--color-cream);
  -webkit-font-smoothing: antialiased;
}

/* Grain overlay */
body::after {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* === Typography === */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.3;
  color: var(--color-text);
}

h2 {
  font-size: 2.4rem;
  margin-bottom: 1rem;
  text-align: center;
}

h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1rem;
}

/* === Scroll Animations === */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.35s; }

/* === Navbar === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 20px 0;
}

.navbar.scrolled {
  background: rgba(255, 250, 245, 0.92);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(181, 101, 29, 0.08);
  padding: 12px 0;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-white);
  text-decoration: none;
  transition: color 0.3s;
}

.navbar.scrolled .logo {
  color: var(--color-primary-dark);
}

.logo span {
  color: var(--color-primary-light);
  font-weight: 400;
  font-style: italic;
}

.navbar.scrolled .logo span {
  color: var(--color-accent);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.85rem;
  font-weight: 500;
  transition: color 0.3s;
  font-family: var(--font-body);
  letter-spacing: 0.02em;
}

.navbar.scrolled .nav-links a {
  color: var(--color-text-light);
}

.nav-links a:hover {
  color: var(--color-primary-light);
}

.btn-nav {
  background: var(--color-primary) !important;
  color: white !important;
  padding: 10px 22px;
  border-radius: 50px;
  transition: all 0.3s !important;
}

.btn-nav:hover {
  background: var(--color-primary-dark) !important;
  transform: translateY(-1px);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.mobile-toggle span {
  width: 26px;
  height: 2px;
  background: white;
  transition: all 0.3s;
}

.navbar.scrolled .mobile-toggle span {
  background: var(--color-text);
}

/* === Hero === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(160deg, #2d2016 0%, #4a3020 35%, #6b4530 70%, #7a4b2e 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -15%;
  width: 70%;
  height: 140%;
  background: radial-gradient(ellipse at 60% 40%, rgba(212, 165, 116, 0.12) 0%, rgba(196, 145, 85, 0.06) 40%, transparent 70%);
  border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
  animation: blobFloat 20s ease-in-out infinite;
  pointer-events: none;
}

@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) rotate(0deg) scale(1); }
  33% { transform: translate(2%, -3%) rotate(2deg) scale(1.02); }
  66% { transform: translate(-1%, 2%) rotate(-1deg) scale(0.98); }
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to top, var(--color-cream), transparent);
}

.hero-line {
  position: absolute;
  left: 10%;
  top: 15%;
  bottom: 20%;
  width: 1px;
  background: linear-gradient(to bottom, transparent, rgba(212, 165, 116, 0.3) 30%, rgba(212, 165, 116, 0.3) 70%, transparent);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  padding: 140px 0 100px;
}

.hero-tagline {
  font-family: var(--font-body);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--color-primary-light);
  margin-bottom: 1.5rem;
  font-weight: 500;
  opacity: 0;
  animation: fadeUp 1s 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero h1 {
  font-size: 3.2rem;
  color: var(--color-white);
  margin-bottom: 1.5rem;
  font-weight: 700;
  line-height: 1.15;
  opacity: 0;
  animation: fadeUp 1s 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-sub {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 2.5rem;
  line-height: 1.9;
  opacity: 0;
  animation: fadeUp 1s 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero .btn-primary {
  opacity: 0;
  animation: fadeUp 1s 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* === Buttons === */
.btn-primary {
  display: inline-block;
  background: var(--color-primary);
  color: white;
  padding: 16px 36px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  font-family: var(--font-body);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 15px rgba(181, 101, 29, 0.3);
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.6s;
}

.btn-primary:hover::after {
  left: 100%;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(181, 101, 29, 0.35);
}

.btn-large {
  padding: 20px 48px;
  font-size: 1.1rem;
}

/* === Sections === */
.section {
  padding: 100px 0;
}

.section-light {
  background: var(--color-cream);
}

.section-warm {
  background: var(--color-warm);
}

.section-intro {
  text-align: center;
  font-size: 1.1rem;
  color: var(--color-text-light);
  max-width: 620px;
  margin: 0 auto 3rem;
}

/* === Problem Grid === */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 3rem;
}

.problem-card {
  background: var(--color-white);
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid rgba(212, 165, 116, 0.1);
}

.problem-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: rgba(212, 165, 116, 0.2);
}

.problem-icon {
  font-size: 2.2rem;
  margin-bottom: 12px;
}

.problem-card h3 {
  color: var(--color-primary-dark);
}

.problem-card p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-bottom: 0;
}

.highlight-box {
  background: var(--color-warm);
  border-left: 4px solid var(--color-primary);
  padding: 28px 32px;
  border-radius: 0 var(--radius) var(--radius) 0;
  text-align: center;
}

.highlight-box p {
  font-size: 1.1rem;
  margin-bottom: 0;
}

/* === Two Column === */
.two-col {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: start;
  margin-top: 2rem;
}

.check-list {
  list-style: none;
  margin-top: 1rem;
}

.check-list li {
  padding: 8px 0 8px 32px;
  position: relative;
  font-weight: 500;
}

.check-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-primary);
  border-radius: 50%;
  background: radial-gradient(circle at center, var(--color-primary) 4px, transparent 4px);
}

blockquote {
  background: var(--color-white);
  padding: 32px;
  border-radius: var(--radius);
  border-left: none;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  position: relative;
  border: 1px solid rgba(212, 165, 116, 0.1);
}

blockquote::before {
  content: '\201C';
  font-family: var(--font-heading);
  font-size: 5rem;
  line-height: 1;
  color: var(--color-primary-light);
  opacity: 0.3;
  position: absolute;
  top: 8px;
  left: 20px;
}

blockquote p {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-style: italic;
  color: var(--color-text);
  margin-bottom: 8px;
  padding-left: 24px;
}

blockquote cite {
  font-style: normal;
  font-size: 0.85rem;
  color: var(--color-text-light);
  font-family: var(--font-body);
  padding-left: 24px;
}

/* === Content Grid === */
.content-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.content-card {
  background: var(--color-white);
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  border: 1px solid rgba(212, 165, 116, 0.08);
}

.content-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: rgba(212, 165, 116, 0.2);
}

.card-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-warm-dark);
  position: absolute;
  top: 12px;
  right: 24px;
  line-height: 1;
  opacity: 0.6;
}

.content-card h3 {
  color: var(--color-primary-dark);
  padding-right: 50px;
}

.content-card p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* === About === */
.about-block {
  max-width: 720px;
  margin: 0 auto;
}

.about-text h2 {
  text-align: left;
}

.about-text p {
  font-size: 1.05rem;
}

/* === Sources Grid === */
.sources-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.source-card {
  background: var(--color-white);
  padding: 28px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--color-primary-light);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.source-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.source-card h4 {
  color: var(--color-primary-dark);
  font-family: var(--font-body);
  font-weight: 600;
  margin-bottom: 8px;
}

.source-card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* === CTA === */
.section-cta {
  background: linear-gradient(160deg, #2d2016 0%, #4a3020 40%, #6b4530 100%);
  padding: 100px 0;
  position: relative;
}

.section-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to bottom, var(--color-cream), transparent);
}

.cta-box {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 60px;
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 1;
}

.cta-box h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.cta-box > p {
  color: var(--color-text-light);
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

.cta-features {
  list-style: none;
  text-align: left;
  max-width: 400px;
  margin: 0 auto 2rem;
}

.cta-features li {
  padding: 8px 0 8px 32px;
  position: relative;
  font-size: 0.95rem;
}

.cta-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-primary);
  border-radius: 50%;
  background: radial-gradient(circle at center, var(--color-primary) 4px, transparent 4px);
}

.cta-price {
  margin-bottom: 2rem;
}

.price {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  display: block;
}

.price-note {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.cta-guarantee {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* === Footer === */
.footer {
  background: var(--color-text);
  padding: 40px 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-footer {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--color-white);
  margin-bottom: 4px;
}

.logo-footer span {
  color: var(--color-primary-light);
  font-style: italic;
  font-weight: 400;
}

.footer-brand p:last-child {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 0;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: var(--color-primary-light);
}

/* === Responsive === */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(45, 32, 22, 0.98);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 24px;
    z-index: 99;
  }

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

  .nav-links a {
    font-size: 1.2rem;
    color: white !important;
  }

  .mobile-toggle {
    display: flex;
    z-index: 101;
  }

  .mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .mobile-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-content {
    padding: 100px 0 60px;
  }

  .hero-line {
    display: none;
  }

  h2 {
    font-size: 1.8rem;
  }

  .section {
    padding: 60px 0;
  }

  .problem-grid,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .two-col {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .sources-grid {
    grid-template-columns: 1fr;
  }

  .cta-box {
    padding: 36px 24px;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: 20px;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.7rem;
  }

  .price {
    font-size: 2.4rem;
  }

  .btn-large {
    padding: 16px 32px;
    font-size: 1rem;
  }
}

/* === FAQ === */
.faq-list {
  max-width: 700px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-primary-light);
  padding: 1.2em 0;
}

.faq-item summary {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--color-primary);
  font-weight: 300;
  flex-shrink: 0;
  margin-left: 1em;
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  margin-top: 0.8em;
  color: var(--color-text-light);
  line-height: 1.7;
  font-size: 0.95rem;
}