/* ===== CSS Variables & Reset ===== */
:root {
  --orange-50: #fff7ed;
  --orange-100: #ffedd5;
  --orange-200: #fed7aa;
  --orange-300: #fdba74;
  --orange-400: #fb923c;
  --orange-500: #f97316;
  --orange-600: #ea580c;
  --orange-700: #c2410c;
  --orange-800: #9a3412;
  --orange-900: #7c2d12;

  --dark-900: #0f0f0f;
  --dark-800: #1a1a1a;
  --dark-700: #2a2a2a;
  --dark-600: #3a3a3a;
  --dark-500: #4a4a4a;

  --white: #ffffff;
  --gray-100: #f5f5f5;
  --gray-200: #e8e8e8;
  --gray-400: #9ca3af;

  --font-display: 'Unbounded', sans-serif;
  --font-body: 'Nunito Sans', sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --shadow-card: 0 4px 24px rgba(249, 115, 22, 0.08);
  --shadow-hover: 0 8px 40px rgba(249, 115, 22, 0.18);
  --shadow-glow: 0 0 60px rgba(249, 115, 22, 0.15);

  --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  background: var(--dark-900);
  color: var(--gray-100);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== HEADER ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(15, 15, 15, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
}

.logo-icon {
  font-size: 1.8rem;
  filter: drop-shadow(0 0 8px rgba(249, 115, 22, 0.5));
}

.logo-accent {
  color: var(--orange-400);
}

.nav-list {
  display: flex;
  gap: 32px;
}

.nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  position: relative;
  padding: 4px 0;
  transition: color var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--orange-400);
  border-radius: 2px;
  transition: width var(--transition);
}

.nav-link:hover {
  color: var(--orange-400);
}

.nav-link:hover::after {
  width: 100%;
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-bg-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
}

.shape-1 {
  width: 600px;
  height: 600px;
  background: var(--orange-500);
  top: -200px;
  right: -100px;
  animation: float-slow 12s ease-in-out infinite;
}

.shape-2 {
  width: 400px;
  height: 400px;
  background: var(--orange-700);
  bottom: -100px;
  left: -50px;
  animation: float-slow 10s ease-in-out infinite reverse;
}

.shape-3 {
  width: 300px;
  height: 300px;
  background: var(--orange-300);
  top: 40%;
  left: 30%;
  animation: float-slow 14s ease-in-out infinite;
}

@keyframes float-slow {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -20px) scale(1.05); }
}

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

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
}

.highlight {
  background: linear-gradient(135deg, var(--orange-400), var(--orange-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--gray-400);
  margin-bottom: 32px;
  max-width: 500px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-xl);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--orange-500), var(--orange-600));
  color: var(--white);
  box-shadow: 0 4px 20px rgba(249, 115, 22, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(249, 115, 22, 0.45);
}

.hero-image {
  position: relative;
}

.hero-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glow);
  border: 1px solid rgba(249, 115, 22, 0.15);
  object-fit: cover;
  width: 100%;
  aspect-ratio: 3/2;
}

.hero-image::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--orange-500), transparent, var(--orange-700));
  z-index: -1;
  opacity: 0.5;
}

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

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 20px;
  text-align: center;
}

.section-desc {
  text-align: center;
  color: var(--gray-400);
  max-width: 640px;
  margin: 0 auto 48px;
  font-size: 1.05rem;
}

/* ===== ABOUT ===== */
.about {
  background: var(--dark-800);
  border-top: 1px solid rgba(249, 115, 22, 0.08);
  border-bottom: 1px solid rgba(249, 115, 22, 0.08);
}

.about .section-title {
  margin-bottom: 48px;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-text p {
  margin-bottom: 18px;
  font-size: 1.02rem;
  color: var(--gray-200);
}

.about-text p:last-child {
  margin-bottom: 0;
}

.about-image img {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(249, 115, 22, 0.12);
  object-fit: cover;
  width: 100%;
  aspect-ratio: 4/3;
}

/* ===== FEATURES ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.feature-card {
  background: var(--dark-800);
  border: 1px solid rgba(249, 115, 22, 0.08);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(30px);
}

.feature-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.feature-card:hover {
  border-color: rgba(249, 115, 22, 0.25);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.feature-card.visible:hover {
  transform: translateY(-4px);
}

.feature-icon {
  font-size: 2.4rem;
  margin-bottom: 18px;
  display: inline-block;
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.12), rgba(249, 115, 22, 0.04));
  padding: 14px;
  border-radius: var(--radius-md);
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--orange-300);
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--gray-400);
  line-height: 1.7;
}

/* ===== PRICING ===== */
.pricing {
  background: var(--dark-800);
  border-top: 1px solid rgba(249, 115, 22, 0.08);
  border-bottom: 1px solid rgba(249, 115, 22, 0.08);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.price-card {
  background: var(--dark-700);
  border: 1px solid rgba(249, 115, 22, 0.08);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: var(--transition);
  position: relative;
}

.price-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.price-card.popular {
  border-color: var(--orange-500);
  background: linear-gradient(175deg, var(--dark-700), rgba(249, 115, 22, 0.06));
  box-shadow: var(--shadow-glow);
}

.price-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--orange-400);
  background: rgba(249, 115, 22, 0.1);
  padding: 6px 16px;
  border-radius: var(--radius-xl);
  margin-bottom: 16px;
}

.price-card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.price-value {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--orange-400);
  margin-bottom: 24px;
}

.price-value span {
  font-size: 1rem;
  color: var(--gray-400);
  font-weight: 400;
}

.price-features {
  text-align: left;
}

.price-features li {
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.95rem;
  color: var(--gray-200);
  padding-left: 24px;
  position: relative;
}

.price-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--orange-400);
  font-weight: 700;
}

.price-features li:last-child {
  border-bottom: none;
}

/* ===== DIVIDER SECTION ===== */
.divider-section {
  padding: 60px 0;
}

.divider-image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.divider-image-wrap img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  filter: brightness(0.5);
}

.divider-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(234, 88, 12, 0.4), rgba(15, 15, 15, 0.6));
}

.divider-text {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 800;
  text-align: center;
  padding: 0 24px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 760px;
  margin: 48px auto 0;
}

.faq-item {
  border: 1px solid rgba(249, 115, 22, 0.1);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item[open] {
  border-color: rgba(249, 115, 22, 0.25);
  box-shadow: var(--shadow-card);
}

.faq-question {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  padding: 20px 24px;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: color var(--transition);
  background: var(--dark-800);
}

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

.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--orange-400);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item[open] .faq-question::after {
  transform: rotate(45deg);
}

.faq-question:hover {
  color: var(--orange-300);
}

.faq-answer {
  padding: 0 24px 20px;
  background: var(--dark-800);
}

.faq-answer p {
  font-size: 0.95rem;
  color: var(--gray-400);
  line-height: 1.8;
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--dark-800);
  border-top: 1px solid rgba(249, 115, 22, 0.08);
  padding: 48px 0 32px;
}

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

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
}

.footer-desc {
  font-size: 0.9rem;
  color: var(--gray-400);
  max-width: 400px;
}

.footer-nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-nav a {
  font-size: 0.9rem;
  color: var(--gray-400);
  transition: color var(--transition);
}

.footer-nav a:hover {
  color: var(--orange-400);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--dark-500);
  margin-top: 8px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
  .hero-content {
      grid-template-columns: 1fr;
      gap: 40px;
      text-align: center;
  }
  .hero-subtitle {
      margin: 0 auto 32px;
  }
  .hero-image { order: -1; max-width: 500px; margin: 0 auto; }
  .about-grid { grid-template-columns: 1fr; }
  .about-image { order: -1; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .price-card:last-child { grid-column: span 2; max-width: 400px; justify-self: center; }
}

@media (max-width: 640px) {
  .nav-list { display: none; }
  .burger { display: flex; }

  .main-nav.open .nav-list {
      display: flex;
      flex-direction: column;
      position: absolute;
      top: 70px;
      left: 0;
      right: 0;
      background: rgba(15, 15, 15, 0.97);
      backdrop-filter: blur(20px);
      padding: 24px;
      gap: 16px;
      border-bottom: 1px solid rgba(249, 115, 22, 0.1);
  }

  .features-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .price-card:last-child { grid-column: span 1; max-width: none; }

  .hero { padding: 100px 0 60px; min-height: auto; }
  .section { padding: 60px 0; }
}

/* ===== Accessibility ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
      animation-duration: 0.01ms !important;
      transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

:focus-visible {
  outline: 2px solid var(--orange-400);
  outline-offset: 3px;
}