/* ============================================================
   TheRevenueTheory — Design System & Full Stylesheet
   ============================================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=DM+Sans:wght@400;500;700&display=swap');

/* ---------- CSS Custom Properties ---------- */
:root {
  --color-primary: #ffde59;
  --color-primary-light: #fff9e0;
  --color-accent: #fd288d;
  --color-accent-hover: #e0207a;
  --color-dark: #1a1a1a;
  --color-dark-soft: #2b1821;
  --color-text: #1a1a1a;
  --color-text-muted: #555;
  --color-white: #ffffff;
  --color-bg-light: #f5f3f0;
  --color-bg-testimonial: #f8f0f5;
  --color-border: rgba(0, 0, 0, 0.12);

  --font-heading: 'Inter', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 50px;
  --radius-round: 50%;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.10);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 40px rgba(253, 40, 141, 0.15);

  --transition-fast: 0.2s ease;
  --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --max-width: 1200px;
  --section-padding: 100px 0;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

/* ---------- Utility ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section-pad {
  padding: var(--section-padding);
}

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

.accent {
  color: var(--color-accent);
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-16px);
  }
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-60px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(60px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }

  100% {
    background-position: 200% 0;
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-sm);
}

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

.logo {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 14px;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: var(--color-dark-soft);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-dark);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 12px 28px;
  border-radius: var(--radius-xl);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  cursor: pointer;
  border: none;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  background: #333;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 60%, var(--color-white) 100%);
  overflow: hidden;
  padding-top: 80px;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to bottom, transparent, var(--color-white));
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-content {
  animation: slideInLeft 1s ease forwards;
}

.hero-badge {
  display: inline-block;
  background: rgba(253, 40, 141, 0.1);
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 1px;
  padding: 8px 20px;
  border-radius: var(--radius-xl);
  margin-bottom: 24px;
  text-transform: uppercase;
}

.hero h1 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(42px, 5.5vw, 76px);
  line-height: 1.0;
  color: var(--color-dark);
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero h1 .accent {
  color: var(--color-accent);
  position: relative;
}

.hero-subtitle {
  font-size: clamp(16px, 1.4vw, 20px);
  color: var(--color-text);
  max-width: 480px;
  line-height: 1.7;
  margin-bottom: 40px;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--color-dark);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 3px;
  text-transform: uppercase;
  padding: 20px 48px;
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
}

.cta-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
  transition: left 0.5s;
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.cta-button:hover::before {
  left: 100%;
}

.hero-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  animation: slideInRight 1s ease forwards;
}

.hero-image-wrapper img {
  width: 100%;
  max-width: 520px;
  object-fit: contain;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.1));
}

/* Floating decorative blobs */
.hero-blob {
  position: absolute;
  border-radius: 50%;
  z-index: 0;
  animation: float 6s ease-in-out infinite;
}

.hero-blob-1 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(253, 40, 141, 0.08) 0%, transparent 70%);
  top: -50px;
  right: -100px;
}

.hero-blob-2 {
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(255, 222, 89, 0.3) 0%, transparent 70%);
  bottom: 80px;
  left: -60px;
  animation-delay: -3s;
}

/* ============================================================
   PROBLEM SECTION
   ============================================================ */
.problem-section {
  position: relative;
  background: var(--color-bg-light);
  padding: 100px 0;
  overflow: hidden;
}

.problem-section .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.problem-text h2 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(32px, 3.5vw, 52px);
  line-height: 1.1;
  margin-bottom: 24px;
  color: var(--color-dark);
}

.problem-text p {
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-text-muted);
  letter-spacing: 0.3px;
  max-width: 500px;
}

.problem-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.problem-image-wrapper img {
  width: 100%;
  max-width: 500px;
  border-radius: var(--radius-lg);
}

/* Magnifying glass overlay effect */
.magnify-ring {
  position: absolute;
  width: 360px;
  height: 360px;
  border: 4px solid rgba(0, 0, 0, 0.08);
  border-radius: 50%;
  top: 50%;
  left: 30%;
  transform: translate(-50%, -50%);
  box-shadow: inset 0 0 60px rgba(0, 0, 0, 0.03);
  pointer-events: none;
}

/* ============================================================
   FEATURES SECTION  (The Business Starter Kit)
   ============================================================ */
.features-section {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--color-primary-light) 0%, var(--color-primary) 60%, var(--color-primary-light) 100%);
}

.features-section .section-heading {
  margin-bottom: 80px;
}

.features-section .section-heading h2 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(32px, 3.5vw, 52px);
  line-height: 1.15;
  color: var(--color-dark);
}

.features-section .section-heading h2 .accent {
  color: var(--color-accent);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.feature-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 24px;
}

.feature-icon {
  width: 140px;
  height: 140px;
  border-radius: var(--radius-round);
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.feature-icon:hover {
  transform: scale(1.08);
  box-shadow: var(--shadow-glow);
}

.feature-icon svg {
  width: 60px;
  height: 60px;
  fill: none;
  stroke: var(--color-white);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-card-body {
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  background: rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(8px);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.feature-card-body:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.feature-card-body p {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.5;
  color: var(--color-dark);
}

/* ============================================================
   MODULES SECTION
   ============================================================ */
.modules-section {
  padding: 100px 0;
  background: var(--color-bg-light);
}

.modules-section .container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.modules-heading h2 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(32px, 3.5vw, 52px);
  color: var(--color-accent);
  margin-bottom: 48px;
}

.modules-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.module-item {
  font-family: var(--font-body);
  font-size: clamp(16px, 1.6vw, 22px);
  font-weight: 500;
  color: var(--color-dark);
  padding: 20px 28px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  border-left: 4px solid transparent;
}

.module-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--color-accent);
  transform: scaleY(0);
  transition: transform var(--transition-base);
}

.module-item:hover {
  transform: translateX(12px);
  box-shadow: var(--shadow-md);
  border-left-color: var(--color-accent);
}

.module-item:hover::before {
  transform: scaleY(1);
}

.module-item span {
  font-weight: 700;
  color: var(--color-accent);
}

.modules-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.modules-image img {
  max-width: 360px;
  width: 100%;
  animation: float 4s ease-in-out infinite;
  filter: drop-shadow(0 20px 30px rgba(0, 0, 0, 0.15));
  background: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 20px;
}

/* ============================================================
   TESTIMONIALS SECTION
   ============================================================ */
.testimonials-section {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--color-bg-testimonial) 0%, #f0e8f0 50%, var(--color-bg-light) 100%);
}

.testimonials-section h2 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(32px, 3.5vw, 52px);
  color: var(--color-dark);
  text-align: center;
  margin-bottom: 60px;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: all var(--transition-base);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  font-family: var(--font-heading);
  font-size: 72px;
  font-weight: 900;
  color: var(--color-accent);
  opacity: 0.15;
  position: absolute;
  top: 12px;
  left: 20px;
  line-height: 1;
}

.testimonial-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(253, 40, 141, 0.2);
}

.testimonial-quote {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-dark);
  flex-grow: 1;
  position: relative;
  z-index: 1;
}

.testimonial-author {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 17px;
  color: var(--color-dark);
}

/* ============================================================
   FINAL CTA SECTION
   ============================================================ */
.final-cta {
  padding: 120px 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.final-cta::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(253, 40, 141, 0.06) 0%, transparent 70%);
  top: -200px;
  right: -100px;
  animation: float 8s ease-in-out infinite;
}

.final-cta-content {
  position: relative;
  z-index: 2;
}

.final-cta h2 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(36px, 4vw, 56px);
  color: var(--color-dark);
  margin-bottom: 16px;
}

.final-cta .subtitle {
  font-size: 20px;
  color: var(--color-text);
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.final-cta .cta-button {
  font-size: 18px;
  padding: 24px 56px;
}

.price-tag {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 3px;
  text-transform: uppercase;
  padding: 14px 36px;
  border-radius: var(--radius-xl);
  margin-top: 20px;
  transition: transform var(--transition-base);
  cursor: pointer;
}

.price-tag:hover {
  transform: scale(1.05);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.6);
  padding: 40px 0;
  text-align: center;
}

.site-footer .logo-footer {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 12px;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: 12px;
}

.site-footer p {
  font-size: 14px;
}

.site-footer a {
  color: var(--color-accent);
  transition: color var(--transition-fast);
}

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

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-image-wrapper img {
    max-width: 400px;
  }

  .problem-section .container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .problem-text {
    text-align: center;
  }

  .problem-text p {
    max-width: 100%;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .modules-section .container {
    grid-template-columns: 1fr;
  }

  .modules-image {
    order: -1;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }
}

@media (max-width: 640px) {
  :root {
    --section-padding: 60px 0;
  }

  .hero {
    min-height: auto;
    padding: 100px 0 80px;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .feature-icon {
    width: 110px;
    height: 110px;
  }

  .feature-icon svg {
    width: 48px;
    height: 48px;
  }

  .cta-button {
    padding: 16px 36px;
    font-size: 14px;
  }

  .nav-cta {
    padding: 10px 20px;
    font-size: 11px;
  }

  .module-item {
    font-size: 15px;
    padding: 16px 20px;
  }

  .final-cta {
    padding: 80px 0;
  }
}