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

:root {
  --primary: #1a1a2e;
  --primary-light: #16213e;
  --secondary: #0f3460;
  --accent: #e94560;
  --accent-hover: #d63851;
  --gradient-1: linear-gradient(135deg, #0f3460, #1a1a2e);
  --gradient-2: linear-gradient(135deg, #e94560, #c23152);
  --gradient-accent: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --text-light: #ffffff;
  --text-muted: #b0b0c0;
  --text-dark: #1a1a2e;
  --bg-light: #f8f9fe;
  --bg-card: #ffffff;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.1);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 50px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
  --header-height: 72px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-dark);
  background: var(--bg-light);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; }
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ====== TYPOGRAPHY ====== */
.section__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 56px;
}

.section__badge {
  display: inline-block;
  padding: 6px 18px;
  background: rgba(102, 126, 234, 0.1);
  color: #667eea;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.section__title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--primary);
}

.section__desc {
  font-size: 1.1rem;
  color: #666;
  line-height: 1.7;
}

.gradient-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ====== HEADER ====== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.05);
  height: var(--header-height);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 700;
}

.logo__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-accent);
  border-radius: 10px;
  color: white;
  font-size: 1.1rem;
}

.logo__highlight { color: #667eea; }

/* ====== NAV ====== */
.nav__list {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: #444;
  transition: var(--transition);
  position: relative;
  padding: 4px 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  transition: var(--transition);
}

.nav__link:hover { color: var(--primary); }
.nav__link:hover::after { width: 100%; }

.nav__link--cta {
  padding: 10px 24px !important;
  background: var(--gradient-accent);
  color: white !important;
  border-radius: var(--radius-full);
  font-weight: 600;
}

.nav__link--cta::after { display: none; }
.nav__link--cta:hover { opacity: 0.9; transform: translateY(-1px); }

/* ====== HAMBURGER ====== */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
}

.hamburger span {
  width: 24px;
  height: 2.5px;
  background: var(--primary);
  border-radius: 4px;
  transition: 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); }

/* ====== HERO ====== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-height) + 40px) 0 80px;
  background: var(--bg-light);
  overflow: hidden;
}

.hero__bg { position: absolute; inset: 0; pointer-events: none; }

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

.hero__shape--1 {
  width: 500px;
  height: 500px;
  background: #667eea;
  top: -150px;
  right: -100px;
  animation: floatShape 20s ease-in-out infinite;
}

.hero__shape--2 {
  width: 400px;
  height: 400px;
  background: #e94560;
  bottom: -100px;
  left: -100px;
  animation: floatShape 25s ease-in-out infinite reverse;
}

.hero__shape--3 {
  width: 300px;
  height: 300px;
  background: #764ba2;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: floatShape 15s ease-in-out infinite;
}

@keyframes floatShape {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

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

.hero__badge {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(102, 126, 234, 0.1);
  color: #667eea;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
  animation: fadeInUp 0.6s ease;
}

.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  animation: fadeInUp 0.6s ease 0.1s both;
}

.hero__subtitle {
  font-size: 1.15rem;
  color: #666;
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 540px;
  animation: fadeInUp 0.6s ease 0.2s both;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease 0.3s both;
}

/* ====== BUTTONS ====== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--gradient-accent);
  color: white;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
}

.btn--outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid rgba(102, 126, 234, 0.3);
}

.btn--outline:hover {
  border-color: #667eea;
  background: rgba(102, 126, 234, 0.05);
  transform: translateY(-2px);
}

.btn--lg { padding: 16px 40px; font-size: 1rem; }
.btn--full { width: 100%; justify-content: center; }

/* ====== HERO STATS ====== */
.hero__stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  animation: fadeInUp 0.6s ease 0.4s both;
}

.hero__stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.hero__stat-label {
  font-size: 0.85rem;
  color: #888;
  margin-top: 4px;
  display: block;
}

/* ====== HERO VISUAL ====== */
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero__mockup {
  position: relative;
  width: 100%;
  height: 450px;
}

.mockup {
  position: absolute;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.mockup--phone {
  width: 280px;
  right: 20px;
  top: 0;
  background: white;
  border-radius: 20px;
  overflow: hidden;
  z-index: 2;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

.mockup__header {
  display: flex;
  gap: 6px;
  padding: 14px 16px 10px;
  background: #f5f5f5;
}

.mockup__header span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ddd;
}

.mockup__header span:nth-child(1) { background: #ff5f56; }
.mockup__header span:nth-child(2) { background: #ffbd2e; }
.mockup__header span:nth-child(3) { background: #27c93f; }

.mockup__body { padding: 12px 16px 16px; }

.mockup__notif {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: 10px;
  background: #f0f9ff;
  margin-bottom: 8px;
  font-size: 0.8rem;
}

.mockup__notif strong { display: block; }
.mockup__notif small { color: #888; }
.mockup__notif--alert { background: #fff5f5; }

.mockup--card {
  width: 180px;
  height: 110px;
  background: var(--gradient-accent);
  bottom: 20px;
  left: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  border-radius: 14px;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  z-index: 3;
  animation: float 7s ease-in-out infinite 1s;
}

.mockup--card .fa-id-card { font-size: 1.8rem; }
.mockup__chip {
  width: 30px;
  height: 22px;
  background: rgba(255,255,255,0.25);
  border-radius: 4px;
}

.mockup--qr {
  width: 120px;
  height: 120px;
  background: white;
  bottom: 160px;
  left: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 0.7rem;
  font-weight: 600;
  color: #444;
  z-index: 1;
  animation: float 8s ease-in-out infinite 0.5s;
}

.qr-code {
  width: 60px;
  height: 60px;
  background: white;
  border: 3px solid #333;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.qr-inner {
  width: 40px;
  height: 40px;
  background:
    linear-gradient(90deg, #333 8px, transparent 8px) 0 0 / 100% 100%,
    linear-gradient(0deg, #333 8px, transparent 8px) 0 0 / 100% 100%;
  background-repeat: no-repeat;
  position: relative;
}

.qr-inner::before {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  background: #333;
  bottom: 4px;
  right: 4px;
}

.qr-inner::after {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  background: #333;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* ====== ABOUT ====== */
.about {
  padding: 100px 0;
  background: white;
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 40px;
  align-items: center;
  max-width: 1000px;
  margin: 0 auto;
}

.about__card {
  padding: 40px;
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.about__card--problem {
  background: #fff5f5;
  border: 1px solid #ffe0e0;
}

.about__card--solution {
  background: #f0fdf4;
  border: 1px solid #d4edda;
}

.about__card-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.about__card--problem .about__card-icon {
  background: #fecaca;
  color: #dc2626;
}

.about__card--solution .about__card-icon {
  background: #bbf7d0;
  color: #16a34a;
}

.about__card h3 {
  font-size: 1.2rem;
  margin-bottom: 16px;
  font-weight: 700;
}

.about__card ul li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  font-size: 0.95rem;
  color: #555;
}

.about__card ul li i { font-size: 0.8rem; }
.about__card--problem ul li i { color: #dc2626; }
.about__card--solution ul li i { color: #16a34a; }

.about__arrow {
  font-size: 2rem;
  color: #667eea;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

/* ====== FEATURES ====== */
.features {
  padding: 100px 0;
  background: var(--bg-light);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 24px;
}

.feature__card {
  background: white;
  padding: 36px 28px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(0,0,0,0.04);
  transition: var(--transition);
  opacity: 0;
  transform: translateY(30px);
}

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

.feature__card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(102, 126, 234, 0.15);
}

.feature__icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(102,126,234,0.1), rgba(118,75,162,0.1));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: #667eea;
  margin-bottom: 20px;
}

.feature__card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
  font-weight: 700;
}

.feature__card p {
  color: #666;
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ====== HOW IT WORKS ====== */
.how {
  padding: 100px 0;
  background: var(--primary);
  color: white;
}

.how .section__badge { background: rgba(255,255,255,0.1); color: #ccc; }
.how .section__title { color: white; }
.how .section__desc { color: rgba(255,255,255,0.7); }

.how__steps {
  max-width: 700px;
  margin: 0 auto;
}

.how__step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.how__step-number {
  width: 52px;
  height: 52px;
  min-width: 52px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: 2px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 800;
}

.how__step-content {
  padding-top: 8px;
}

.how__step-icon {
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.08);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  margin-bottom: 12px;
  color: #667eea;
}

.how__step-content h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.how__step-content p {
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
  line-height: 1.7;
}

.how__connector {
  display: flex;
  justify-content: center;
  padding: 16px 0 16px 52px;
}

.how__connector span {
  display: block;
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.3), transparent);
}

.how__cta {
  text-align: center;
  margin-top: 48px;
}

.how__cta .btn--primary {
  background: white;
  color: var(--primary);
  box-shadow: 0 4px 20px rgba(255,255,255,0.2);
}

.how__cta .btn--primary:hover {
  box-shadow: 0 8px 30px rgba(255,255,255,0.3);
}

/* ====== BENEFITS ====== */
.benefits {
  padding: 100px 0;
  background: white;
}

.benefits__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.benefit__card {
  padding: 36px 28px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(0,0,0,0.04);
  transition: var(--transition);
}

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

.benefit__icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 20px;
}

.benefit__card:nth-child(1) .benefit__icon { background: #ede9fe; color: #7c3aed; }
.benefit__card:nth-child(2) .benefit__icon { background: #dbeafe; color: #2563eb; }
.benefit__card:nth-child(3) .benefit__icon { background: #fce7f3; color: #db2777; }

.benefit__card h3 {
  font-size: 1.15rem;
  margin-bottom: 16px;
  font-weight: 700;
}

.benefit__card ul li {
  padding: 6px 0;
  font-size: 0.9rem;
  color: #555;
  position: relative;
  padding-left: 20px;
}

.benefit__card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #16a34a;
  font-weight: 700;
}

/* ====== TESTIMONIALS ====== */
.testimonials {
  padding: 100px 0;
  background: var(--bg-light);
}

.testimonials__slider {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
  min-height: 200px;
}

.testimonial__card {
  display: none;
  text-align: center;
  padding: 40px;
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.testimonial__card.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.testimonial__stars {
  margin-bottom: 20px;
  color: #fbbf24;
  font-size: 0.9rem;
}

.testimonial__card > p {
  font-size: 1.05rem;
  color: #555;
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial__author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.testimonial__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-accent);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.testimonial__author strong {
  display: block;
  font-size: 0.9rem;
}

.testimonial__author small {
  color: #888;
  font-size: 0.8rem;
}

.testimonials__dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #d0d0d0;
  cursor: pointer;
  transition: var(--transition);
}

.dot.active {
  background: #667eea;
  width: 30px;
  border-radius: 5px;
}

/* ====== PLANS ====== */
.plans {
  padding: 100px 0;
  background: white;
}

.plans__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 48px;
}

.plans__toggle-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: #888;
  transition: var(--transition);
  cursor: pointer;
}

.plans__toggle-label.active { color: var(--primary); }

.plans__badge {
  padding: 4px 12px;
  background: #ede9fe;
  color: #7c3aed;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.switch {
  position: relative;
  width: 48px;
  height: 26px;
  display: inline-block;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch__slider {
  position: absolute;
  inset: 0;
  background: #d0d0d0;
  border-radius: 26px;
  transition: var(--transition);
  cursor: pointer;
}

.switch__slider::before {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  top: 3px;
  left: 3px;
  transition: var(--transition);
}

.switch input:checked + .switch__slider { background: #667eea; }
.switch input:checked + .switch__slider::before { transform: translateX(22px); }

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

.plan__card {
  padding: 36px 28px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(0,0,0,0.04);
  transition: var(--transition);
  background: white;
  position: relative;
}

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

.plan__card--featured {
  border-color: #667eea;
  box-shadow: 0 0 0 2px #667eea, var(--shadow-md);
  transform: scale(1.03);
  z-index: 2;
}

.plan__card--featured:hover {
  transform: scale(1.03) translateY(-4px);
}

.plan__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 20px;
  background: var(--gradient-accent);
  color: white;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
}

.plan__header {
  margin-bottom: 24px;
}

.plan__header h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.plan__header p {
  color: #888;
  font-size: 0.9rem;
}

.plan__price {
  margin-bottom: 24px;
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.plan__currency {
  font-size: 1.2rem;
  font-weight: 600;
  color: #666;
}

.plan__amount {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1;
}

.plan__period {
  font-size: 0.9rem;
  color: #888;
}

.plan__features {
  margin-bottom: 28px;
}

.plan__features li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: #555;
}

.plan__features li i {
  color: #16a34a;
  font-size: 0.8rem;
}

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

/* ====== FAQ ====== */
.faq {
  padding: 100px 0;
  background: var(--bg-light);
}

.faq__list {
  max-width: 720px;
  margin: 0 auto;
}

.faq__item {
  background: white;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  border: 1px solid rgba(0,0,0,0.04);
  overflow: hidden;
  transition: var(--transition);
}

.faq__item:hover {
  border-color: rgba(102, 126, 234, 0.15);
}

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: none;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  text-align: left;
  gap: 16px;
}

.faq__question i {
  transition: var(--transition);
  font-size: 0.85rem;
  color: #888;
  flex-shrink: 0;
}

.faq__item.open .faq__question i {
  transform: rotate(180deg);
  color: #667eea;
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq__item.open .faq__answer {
  max-height: 300px;
}

.faq__answer p {
  padding: 0 24px 20px;
  color: #666;
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ====== CONTACT ====== */
.contact {
  padding: 100px 0;
  background: white;
}

.contact__wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact__info .section__badge { margin-bottom: 12px; }
.contact__info .section__title { margin-bottom: 12px; }
.contact__info > p {
  color: #666;
  font-size: 1.05rem;
  margin-bottom: 32px;
  line-height: 1.7;
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact__detail {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.95rem;
  color: #555;
}

.contact__detail i {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(102, 126, 234, 0.08);
  color: #667eea;
  border-radius: 10px;
}

.contact__form {
  background: var(--bg-light);
  padding: 36px;
  border-radius: var(--radius-md);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form__group {
  margin-bottom: 20px;
}

.form__group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: #444;
  margin-bottom: 6px;
}

.form__group input,
.form__group textarea,
.form__group select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid rgba(0,0,0,0.06);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  transition: var(--transition);
  background: white;
  color: var(--text-dark);
}

.form__group input:focus,
.form__group textarea:focus,
.form__group select:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102,126,234,0.1);
}

.form__group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* ====== FOOTER ====== */
.footer {
  background: var(--primary);
  color: white;
  padding: 64px 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer .logo__icon { background: rgba(255,255,255,0.15); }
.footer .logo__text { color: white; }
.footer .logo__highlight { color: #667eea; }

.footer__brand p {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  margin: 16px 0 20px;
  max-width: 320px;
  line-height: 1.7;
}

.footer__social {
  display: flex;
  gap: 10px;
}

.footer__social a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
}

.footer__social a:hover {
  background: #667eea;
  color: white;
  transform: translateY(-2px);
}

.footer__col h4 {
  font-size: 1rem;
  margin-bottom: 20px;
  font-weight: 700;
}

.footer__col ul li {
  margin-bottom: 10px;
}

.footer__col ul li a {
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer__col ul li a:hover {
  color: white;
}

.footer__bottom {
  padding: 24px 0;
  text-align: center;
}

.footer__bottom p {
  color: rgba(255,255,255,0.35);
  font-size: 0.85rem;
}

/* ====== BACK TO TOP ====== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-accent);
  color: white;
  border: none;
  font-size: 1.1rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* ====== ANIMATIONS ====== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

  .hero__subtitle { margin: 0 auto 32px; }
  .hero__actions { justify-content: center; }
  .hero__stats { justify-content: center; }
  .hero__mockup { height: 380px; }
  .mockup--phone { right: 50%; transform: translateX(50%); }
  .mockup--phone { transform: translateX(50%); }
  .mockup--card { left: 10%; }
  .mockup--qr { left: 15%; }

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

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

@media (max-width: 768px) {
  .hamburger { display: flex; }

  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: white;
    padding: 24px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transform: translateY(-110%);
    opacity: 0;
    transition: var(--transition);
  }

  .nav.active {
    transform: translateY(0);
    opacity: 1;
  }

  .nav__list {
    flex-direction: column;
    gap: 16px;
  }

  .nav__link--cta {
    display: inline-block;
    text-align: center;
  }

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

  .about__arrow {
    transform: rotate(90deg);
    text-align: center;
  }

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

  .plans__grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .plan__card--featured {
    transform: none;
  }

  .plan__card--featured:hover {
    transform: translateY(-4px);
  }

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

  .contact__form {
    padding: 24px;
  }

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

  .hero__mockup {
    height: 350px;
  }

  .mockup--phone { width: 240px; }
  .mockup--card { width: 150px; height: 90px; }
  .mockup--qr { width: 100px; height: 100px; }
}

@media (max-width: 480px) {
  .hero__stats {
    flex-direction: column;
    gap: 16px;
  }

  .hero__mockup { display: none; }

  .section__header { margin-bottom: 36px; }

  .btn { width: 100%; justify-content: center; }
  .hero__actions { flex-direction: column; }
}

/* ====== SUCCESS MESSAGE ====== */
.form-success {
  text-align: center;
  padding: 40px 20px;
}

.form-success i {
  font-size: 3rem;
  color: #16a34a;
  margin-bottom: 16px;
}

.form-success h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.form-success p {
  color: #666;
}
