/* ============================================
   Project 0074 - 德扑圈 Custom Styles
   Theme: Indigo Monochromatic Depth
   ============================================ */

/* === CSS Variables === */
:root {
  --indigo-50: #eef2ff;
  --indigo-100: #e0e7ff;
  --indigo-200: #c7d2fe;
  --indigo-300: #a5b4fc;
  --indigo-400: #818cf8;
  --indigo-500: #6366f1;
  --indigo-600: #4f46e5;
  --indigo-700: #4338ca;
  --indigo-800: #3730a3;
  --indigo-900: #312e81;
  --indigo-950: #1e1b4b;
  --white: #ffffff;
  --shadow-sm: 0 1px 3px rgba(49, 46, 129, 0.08);
  --shadow-md: 0 4px 16px rgba(49, 46, 129, 0.12);
  --shadow-lg: 0 10px 40px rgba(49, 46, 129, 0.18);
  --shadow-xl: 0 20px 60px rgba(49, 46, 129, 0.25);
  --shadow-float: 0 30px 80px rgba(49, 46, 129, 0.35), 0 10px 30px rgba(49, 46, 129, 0.2);
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
  color: #1e1b2e;
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

/* === Glassmorphism Navbar === */
.glass-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(238, 242, 255, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(99, 102, 241, 0.15);
  transition: all var(--transition);
}

.glass-nav.scrolled {
  background: rgba(238, 242, 255, 0.92);
  box-shadow: 0 4px 24px rgba(49, 46, 129, 0.12);
}

.glass-nav .nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 72px;
  position: relative;
}

/* Centered layout: nav links on both sides, logo in center */
.nav-left,
.nav-right {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
}

.nav-left {
  justify-content: flex-end;
  padding-right: 1.5rem;
}

.nav-right {
  justify-content: flex-start;
  padding-left: 1.5rem;
}

.nav-link {
  padding: 0.5rem 1rem;
  color: var(--indigo-700);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  position: relative;
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 60%;
  height: 2px;
  background: var(--indigo-500);
  border-radius: 1px;
  transition: transform var(--transition);
}

.nav-link:hover {
  color: var(--indigo-500);
  background: rgba(99, 102, 241, 0.08);
}

.nav-link:hover::after {
  transform: translateX(-50%) scaleX(1);
}

.nav-logo {
  flex-shrink: 0;
  text-align: center;
}

.nav-logo img {
  height: 40px;
  width: auto;
}

.nav-logo-text {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--indigo-600);
  letter-spacing: -0.02em;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-logo-text i {
  color: var(--indigo-500);
  font-size: 1.5rem;
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
  background: none;
  border: none;
  position: absolute;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: var(--indigo-700);
  border-radius: 2px;
  transition: all var(--transition);
}

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

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

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

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(238, 242, 255, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding-top: 2rem;
  gap: 0.5rem;
}

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

.mobile-nav .nav-link {
  font-size: 1.1rem;
  padding: 1rem 2rem;
  width: 80%;
  text-align: center;
}

/* === Hero Section === */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, var(--indigo-50) 0%, var(--indigo-100) 40%, var(--indigo-200) 100%);
  overflow: hidden;
  padding-top: 72px;
}

/* Geometric Abstract Shapes */
.geo-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.geo-circle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.15;
}

.geo-circle-1 {
  width: 300px;
  height: 300px;
  background: var(--indigo-400);
  top: 10%;
  left: -5%;
  animation: geoFloat1 8s ease-in-out infinite;
}

.geo-circle-2 {
  width: 200px;
  height: 200px;
  background: var(--indigo-600);
  top: 55%;
  right: 8%;
  animation: geoFloat2 10s ease-in-out infinite;
}

.geo-circle-3 {
  width: 150px;
  height: 150px;
  background: var(--indigo-300);
  bottom: 15%;
  left: 20%;
  animation: geoFloat3 7s ease-in-out infinite;
}

.geo-circle-4 {
  width: 100px;
  height: 100px;
  background: var(--indigo-500);
  top: 25%;
  right: 25%;
  animation: geoFloat1 9s ease-in-out infinite reverse;
}

/* Triangle shapes */
.geo-triangle {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0.12;
}

.geo-triangle-1 {
  border-left: 60px solid transparent;
  border-right: 60px solid transparent;
  border-bottom: 100px solid var(--indigo-700);
  top: 20%;
  left: 60%;
  animation: geoRotate 12s linear infinite;
}

.geo-triangle-2 {
  border-left: 40px solid transparent;
  border-right: 40px solid transparent;
  border-bottom: 70px solid var(--indigo-400);
  bottom: 25%;
  right: 30%;
  animation: geoRotate 15s linear infinite reverse;
}

/* Decorative lines */
.geo-line {
  position: absolute;
  height: 2px;
  background: var(--indigo-300);
  opacity: 0.2;
  border-radius: 1px;
}

.geo-line-1 {
  width: 200px;
  top: 30%;
  left: 50%;
  transform: rotate(-30deg);
  animation: geoLinePulse 6s ease-in-out infinite;
}

.geo-line-2 {
  width: 150px;
  top: 60%;
  left: 30%;
  transform: rotate(25deg);
  animation: geoLinePulse 8s ease-in-out infinite 1s;
}

.geo-line-3 {
  width: 180px;
  top: 40%;
  left: 10%;
  transform: rotate(-15deg);
  animation: geoLinePulse 7s ease-in-out infinite 2s;
}

/* Dot grid pattern */
.geo-dots {
  position: absolute;
  top: 15%;
  right: 10%;
  width: 120px;
  height: 120px;
  background-image: radial-gradient(circle, var(--indigo-400) 2px, transparent 2px);
  background-size: 20px 20px;
  opacity: 0.2;
  animation: geoFloat2 11s ease-in-out infinite;
}

/* Hero Content */
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  padding: 2rem;
}

.hero-badge {
  display: inline-block;
  padding: 0.4rem 1.2rem;
  background: rgba(99, 102, 241, 0.12);
  color: var(--indigo-600);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  color: var(--indigo-900);
  line-height: 1.1;
  margin: 0 0 1.5rem 0;
  letter-spacing: -0.03em;
}

.hero-title span {
  color: var(--indigo-500);
}

/* Typewriter */
.typewriter-container {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--indigo-600);
  font-weight: 400;
  margin-bottom: 2.5rem;
  min-height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
}

#typewriter-text {
  border-right: 3px solid var(--indigo-500);
  padding-right: 4px;
  animation: cursorBlink 0.8s step-end infinite;
}

@keyframes cursorBlink {
  0%, 100% { border-color: var(--indigo-500); }
  50% { border-color: transparent; }
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

.btn-primary {
  background: var(--indigo-500);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  background: var(--indigo-600);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--indigo-600);
  border: 2px solid var(--indigo-400);
}

.btn-outline:hover {
  background: var(--indigo-500);
  color: var(--white);
  border-color: var(--indigo-500);
  transform: translateY(-2px);
}

.btn-white {
  background: var(--white);
  color: var(--indigo-600);
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  background: var(--indigo-50);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* === Section Common === */
.section {
  padding: 5rem 1.5rem;
}

.section-container {
  max-width: 1280px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-label {
  display: inline-block;
  padding: 0.3rem 1rem;
  background: rgba(99, 102, 241, 0.08);
  color: var(--indigo-500);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--indigo-900);
  margin: 0 0 0.75rem 0;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--indigo-500);
  max-width: 600px;
  margin: 0 auto;
}

/* === Features Section === */
.features-section {
  background: var(--white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  color: var(--white);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at top right, rgba(255,255,255,0.15) 0%, transparent 60%);
  pointer-events: none;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.feature-card-1 {
  background: linear-gradient(135deg, var(--indigo-300), var(--indigo-400));
}

.feature-card-2 {
  background: linear-gradient(135deg, var(--indigo-500), var(--indigo-600));
}

.feature-card-3 {
  background: linear-gradient(135deg, var(--indigo-700), var(--indigo-800));
}

.feature-card-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(4px);
}

.feature-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 0.75rem 0;
}

.feature-card-desc {
  font-size: 0.95rem;
  opacity: 0.9;
  line-height: 1.7;
  margin: 0;
}

/* === Stats Section === */
.stats-section {
  background: var(--indigo-50);
  padding: 4rem 1.5rem;
}

.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.stat-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.stat-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--indigo-400), var(--indigo-500));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--white);
  flex-shrink: 0;
}

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--indigo-700);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--indigo-400);
  font-weight: 500;
}

/* === Testimonials / Carousel === */
.testimonials-section {
  background: linear-gradient(180deg, var(--white) 0%, var(--indigo-50) 100%);
}

.carousel-container {
  position: relative;
  max-width: 750px;
  margin: 0 auto;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel-slide {
  min-width: 100%;
  padding: 0 0.5rem;
}

.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  text-align: center;
  border: 1px solid rgba(99, 102, 241, 0.08);
}

.testimonial-rating {
  color: #f59e0b;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.testimonial-text {
  font-size: 1.1rem;
  color: var(--indigo-700);
  line-height: 1.8;
  font-style: italic;
  margin: 0 0 1.5rem 0;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--indigo-200);
}

.testimonial-name {
  font-weight: 700;
  color: var(--indigo-800);
  font-size: 0.95rem;
}

.testimonial-role {
  font-size: 0.8rem;
  color: var(--indigo-400);
}

/* Carousel Controls */
.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--indigo-200);
  color: var(--indigo-500);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  z-index: 10;
  box-shadow: var(--shadow-sm);
}

.carousel-arrow:hover {
  background: var(--indigo-500);
  color: var(--white);
  border-color: var(--indigo-500);
  box-shadow: var(--shadow-md);
}

.carousel-arrow.prev {
  left: -10px;
}

.carousel-arrow.next {
  right: -10px;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--indigo-200);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  padding: 0;
}

.carousel-dot.active {
  background: var(--indigo-500);
  width: 28px;
  border-radius: 5px;
}

/* === FAQ Section === */
.faq-section {
  background: var(--white);
}

.faq-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.faq-sidebar {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.faq-filter-btn {
  padding: 0.85rem 1.25rem;
  border: none;
  background: transparent;
  color: var(--indigo-600);
  font-size: 0.95rem;
  font-weight: 500;
  text-align: left;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  border-left: 3px solid transparent;
}

.faq-filter-btn:hover {
  background: var(--indigo-50);
  color: var(--indigo-700);
}

.faq-filter-btn.active {
  background: var(--indigo-50);
  color: var(--indigo-600);
  font-weight: 700;
  border-left-color: var(--indigo-500);
}

.faq-content {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--indigo-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

.faq-item:hover {
  border-color: var(--indigo-300);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--indigo-800);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: all var(--transition);
}

.faq-question:hover {
  color: var(--indigo-500);
}

.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--indigo-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--indigo-500);
  transition: all var(--transition);
}

.faq-item.active .faq-icon {
  background: var(--indigo-500);
  color: var(--white);
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer-inner {
  padding: 0 1.5rem 1.25rem;
  color: var(--indigo-600);
  line-height: 1.8;
  font-size: 0.95rem;
}

/* === CTA Section === */
.cta-section {
  background: var(--indigo-800);
  padding: 6rem 1.5rem;
  position: relative;
  overflow: hidden;
}

/* Decorative background elements */
.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at center, rgba(255,255,255,0.05) 0%, transparent 60%);
  pointer-events: none;
}

.cta-float-card {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 3.5rem 3rem;
  text-align: center;
  box-shadow: var(--shadow-float);
  transform: translateY(0);
  transition: transform var(--transition);
}

.cta-float-card:hover {
  transform: translateY(-6px);
}

.cta-float-card .section-label {
  background: rgba(99, 102, 241, 0.1);
  color: var(--indigo-500);
}

.cta-float-card .section-title {
  color: var(--indigo-900);
  margin-bottom: 1rem;
}

.cta-float-card .section-desc {
  color: var(--indigo-400);
  margin-bottom: 2rem;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* === Footer === */
.footer-section {
  background: var(--indigo-900);
  color: var(--indigo-100);
  padding: 4rem 1.5rem 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 2.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-brand h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
  margin: 0 0 0.75rem 0;
}

.footer-brand p {
  font-size: 0.9rem;
  opacity: 0.7;
  line-height: 1.7;
  margin: 0 0 1.25rem 0;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--indigo-200);
  text-decoration: none;
  transition: all var(--transition);
  font-size: 0.9rem;
}

.footer-social a:hover {
  background: var(--indigo-500);
  color: var(--white);
  transform: translateY(-2px);
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin: 0 0 1.25rem 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-col a {
  color: var(--indigo-200);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all var(--transition);
  opacity: 0.75;
}

.footer-col a:hover {
  color: var(--white);
  opacity: 1;
  padding-left: 4px;
}

/* Email Subscription */
.subscribe-form {
  display: flex;
  gap: 0.5rem;
}

.subscribe-form input {
  flex: 1;
  padding: 0.7rem 1rem;
  border-radius: 50px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.08);
  color: var(--white);
  font-size: 0.9rem;
  outline: none;
  transition: all var(--transition);
}

.subscribe-form input::placeholder {
  color: rgba(255,255,255,0.4);
}

.subscribe-form input:focus {
  border-color: var(--indigo-400);
  background: rgba(255,255,255,0.12);
}

.subscribe-form button {
  padding: 0.7rem 1.5rem;
  border-radius: 50px;
  background: var(--indigo-500);
  color: var(--white);
  border: none;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.subscribe-form button:hover {
  background: var(--indigo-400);
}

.footer-bottom {
  max-width: 1200px;
  margin: 2.5rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.5;
}

/* === Animations === */
@keyframes geoFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -20px) scale(1.05); }
  50% { transform: translate(-10px, -40px) scale(0.95); }
  75% { transform: translate(-20px, -10px) scale(1.02); }
}

@keyframes geoFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-25px, -30px) scale(1.08); }
  66% { transform: translate(15px, -15px) scale(0.93); }
}

@keyframes geoFloat3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(20px, 25px) scale(1.1); }
}

@keyframes geoRotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes geoLinePulse {
  0%, 100% { opacity: 0.15; }
  50% { opacity: 0.35; }
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* === Responsive === */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }

  .feature-card {
    padding: 1.75rem 1.25rem;
  }

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

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

@media (max-width: 768px) {
  /* Nav */
  .nav-left,
  .nav-right {
    display: none;
  }

  .glass-nav .nav-container {
    justify-content: center;
  }

  .hamburger {
    display: flex;
  }

  /* Hero */
  .hero-title {
    font-size: clamp(2rem, 8vw, 2.8rem);
  }

  /* Features */
  .features-grid {
    grid-template-columns: 1fr;
  }

  /* Stats */
  .stats-bar {
    grid-template-columns: 1fr;
  }

  /* FAQ */
  .faq-layout {
    grid-template-columns: 1fr;
  }

  .faq-sidebar {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.4rem;
  }

  .faq-filter-btn {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    border-left: none;
    border-radius: 50px;
  }

  .faq-filter-btn.active {
    border-left: none;
    background: var(--indigo-500);
    color: var(--white);
    border-radius: 50px;
  }

  /* Carousel */
  .carousel-arrow.prev {
    left: 0;
  }

  .carousel-arrow.next {
    right: 0;
  }

  /* CTA */
  .cta-float-card {
    padding: 2.5rem 1.5rem;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .subscribe-form {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .section {
    padding: 3rem 1rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .testimonial-card {
    padding: 1.5rem;
  }
}