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

:root {
  --blue-900: #0a0f1e;
  --blue-800: #0d1526;
  --blue-700: #111d35;
  --blue-600: #1a2d52;
  --blue-500: #1e3a6e;
  --indigo:   #4f46e5;
  --indigo-light: #6366f1;
  --violet:   #7c3aed;
  --cyan:     #06b6d4;
  --green:    #10b981;
  --yellow:   #f59e0b;
  --red:      #ef4444;
  --white:    #ffffff;
  --gray-50:  #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  --grad: linear-gradient(135deg, var(--indigo), var(--violet), var(--cyan));
  --grad-text: linear-gradient(135deg, #818cf8, #a78bfa, #67e8f9);

  --radius-sm: 8px;
  --radius:    12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.12), 0 1px 2px rgba(0,0,0,.08);
  --shadow:    0 4px 16px rgba(0,0,0,.16);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.24);
  --shadow-xl: 0 24px 64px rgba(0,0,0,.32);

  --transition: .25s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--gray-50);
  color: var(--gray-800);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== UTILITIES ===== */
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(79,70,229,.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(79,70,229,.5); }
.btn-outline {
  background: transparent;
  color: var(--indigo);
  border: 2px solid var(--indigo);
}
.btn-outline:hover { background: var(--indigo); color: var(--white); }
.btn-ghost {
  background: rgba(255,255,255,.1);
  color: var(--white);
  border: 1px solid rgba(255,255,255,.2);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: rgba(255,255,255,.2); }
.btn-lg  { padding: 14px 28px; font-size: 16px; border-radius: var(--radius-lg); }
.btn-xl  { padding: 18px 36px; font-size: 18px; border-radius: var(--radius-lg); }
.btn-full { width: 100%; justify-content: center; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10,15,30,.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: background var(--transition);
}
.navbar.scrolled { background: rgba(10,15,30,.97); }

.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 68px;
}

.logo {
  display: flex; align-items: center; gap: 8px;
  text-decoration: none;
  font-weight: 800;
  font-size: 22px;
  color: var(--white);
  flex-shrink: 0;
}
.logo-icon { font-size: 26px; }
.accent { background: var(--grad-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.nav-links {
  display: flex; list-style: none; gap: 8px; margin-left: auto;
}
.nav-links a {
  color: rgba(255,255,255,.7);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover { color: var(--white); background: rgba(255,255,255,.08); }

.nav-cta { margin-left: 8px; padding: 10px 20px; font-size: 14px; }

.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
  margin-left: auto;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--white); border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none; flex-direction: column; gap: 4px;
  padding: 16px 24px 20px;
  border-top: 1px solid rgba(255,255,255,.06);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  color: rgba(255,255,255,.8); text-decoration: none;
  font-size: 16px; padding: 10px 12px; border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.mobile-menu a:hover { background: rgba(255,255,255,.08); }
.mobile-menu .btn { margin-top: 8px; }

/* ===== HERO ===== */
.hero {
  background: var(--blue-900);
  padding-top: 120px;
  overflow: hidden;
  position: relative;
}

.hero-bg { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.hero-orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: .25;
}
.orb-1 { width: 600px; height: 600px; background: var(--indigo); top: -200px; left: -100px; }
.orb-2 { width: 400px; height: 400px; background: var(--violet); top: 100px; right: 0; }
.orb-3 { width: 300px; height: 300px; background: var(--cyan); bottom: 0; left: 40%; }

.hero-inner {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
  padding-bottom: 64px;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(79,70,229,.2);
  border: 1px solid rgba(79,70,229,.4);
  color: #a5b4fc;
  padding: 6px 16px; border-radius: 999px;
  font-size: 13px; font-weight: 600;
  margin-bottom: 28px;
}
.badge-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%,100% { opacity: 1; }
  50% { opacity: .4; }
}

.hero-title {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 900;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 24px;
  letter-spacing: -.02em;
}

.hero-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  color: rgba(255,255,255,.65);
  max-width: 600px;
  margin-bottom: 40px;
  line-height: 1.7;
}
.hero-subtitle strong { color: rgba(255,255,255,.9); }

.hero-actions {
  display: flex; gap: 16px; flex-wrap: wrap; justify-content: center;
  margin-bottom: 48px;
}

.hero-proof {
  display: flex; align-items: center; gap: 16px;
}
.proof-avatars {
  display: flex;
}
.proof-avatars img {
  width: 36px; height: 36px; border-radius: 50%;
  border: 2px solid var(--blue-900);
  margin-left: -8px;
}
.proof-avatars img:first-child { margin-left: 0; }
.proof-text { text-align: left; }
.stars { color: var(--yellow); font-size: 14px; letter-spacing: 1px; }
.proof-text span { font-size: 13px; color: rgba(255,255,255,.6); }

/* CHAT MOCKUP */
.hero-mockup {
  position: relative; z-index: 1;
  padding-bottom: 0;
}
.hero-mockup .container { display: flex; justify-content: center; }

.chat-preview {
  width: 100%; max-width: 480px;
  background: #fff;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  box-shadow: var(--shadow-xl), 0 0 0 1px rgba(255,255,255,.08);
  overflow: hidden;
  margin: 0 auto;
}

.chat-header {
  display: flex; align-items: center; gap: 12px;
  background: #128C7E;
  padding: 16px 20px;
}
.chat-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 700; color: white;
  flex-shrink: 0;
}
.chat-name { color: white; font-weight: 700; font-size: 16px; }
.chat-status { color: rgba(255,255,255,.8); font-size: 13px; display: flex; align-items: center; gap: 5px; }
.online-dot { width: 8px; height: 8px; border-radius: 50%; background: #25d366; }

.chat-messages {
  padding: 20px 16px 24px;
  background: #e5ddd5;
  display: flex; flex-direction: column; gap: 10px;
  min-height: 300px;
  max-height: 360px;
  overflow-y: auto;
}

.msg {
  max-width: 82%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.5;
  position: relative;
}
.msg p { margin: 0; }
.msg-time { font-size: 11px; color: rgba(0,0,0,.4); display: block; text-align: right; margin-top: 4px; }

.msg-bot {
  background: white;
  align-self: flex-start;
  border-top-left-radius: 2px;
  box-shadow: 0 1px 2px rgba(0,0,0,.1);
}
.msg-user {
  background: #d9fdd3;
  align-self: flex-end;
  border-top-right-radius: 2px;
  box-shadow: 0 1px 2px rgba(0,0,0,.1);
}

.typing-indicator {
  display: flex; gap: 5px; align-items: center;
  background: white; padding: 12px 16px; border-radius: 12px;
  border-top-left-radius: 2px; align-self: flex-start;
  box-shadow: 0 1px 2px rgba(0,0,0,.1);
}
.typing-indicator span {
  width: 8px; height: 8px; border-radius: 50%; background: #9ca3af;
  animation: typing 1.4s infinite;
}
.typing-indicator span:nth-child(2) { animation-delay: .2s; }
.typing-indicator span:nth-child(3) { animation-delay: .4s; }
@keyframes typing {
  0%,60%,100% { transform: translateY(0); }
  30% { transform: translateY(-6px); }
}

/* ===== SOCIAL PROOF ===== */
.social-proof {
  background: var(--blue-800);
  padding: 32px 0;
  border-top: 1px solid rgba(255,255,255,.05);
  border-bottom: 1px solid rgba(255,255,255,.05);
}
.proof-label {
  text-align: center;
  color: rgba(255,255,255,.4);
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 20px;
}
.proof-logos {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 12px;
}
.proof-logo {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  color: rgba(255,255,255,.5);
  padding: 8px 20px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

/* ===== SECTIONS ===== */
.section { padding: 100px 0; }
.section-dark {
  background: var(--blue-900);
  color: var(--white);
}
.section-dark .section-tag { background: rgba(79,70,229,.2); border-color: rgba(79,70,229,.3); color: #a5b4fc; }
.section-dark .section-subtitle { color: rgba(255,255,255,.55); }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-tag {
  display: inline-block;
  background: rgba(79,70,229,.1);
  border: 1px solid rgba(79,70,229,.2);
  color: var(--indigo);
  font-size: 12px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .1em;
  padding: 5px 14px; border-radius: 999px;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.02em;
  margin-bottom: 16px;
}
.section-dark .section-title { color: var(--white); }
.section-subtitle {
  font-size: 18px;
  color: var(--gray-500);
  max-width: 560px;
  margin: 0 auto;
}

/* ===== STEPS ===== */
.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}
.step {
  flex: 1; min-width: 220px; max-width: 300px;
  text-align: center;
  padding: 0 24px;
}
.step-number {
  font-size: 11px; font-weight: 800;
  color: var(--indigo); letter-spacing: .12em;
  text-transform: uppercase; margin-bottom: 16px;
}
.step-icon {
  font-size: 48px;
  margin-bottom: 20px;
  display: block;
}
.step h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
.step p { color: var(--gray-500); font-size: 15px; line-height: 1.6; }

.step-connector {
  width: 80px; height: 2px;
  background: linear-gradient(90deg, var(--indigo), var(--violet));
  flex-shrink: 0;
  margin-top: 60px;
  opacity: .4;
}

/* ===== FEATURES ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 20px;
}
.feature-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(79,70,229,.06), transparent);
  opacity: 0; transition: opacity var(--transition);
}
.feature-card:hover { border-color: rgba(79,70,229,.3); transform: translateY(-4px); }
.feature-card:hover::before { opacity: 1; }

.feature-large {
  grid-row: span 2;
  display: flex; flex-direction: column; justify-content: center;
}
.feature-card:nth-child(1) { grid-column: 1; grid-row: 1 / span 2; }
.feature-card:nth-child(6) { grid-column: 3; grid-row: 1 / span 2; }

.feature-icon { font-size: 36px; margin-bottom: 16px; display: block; }
.feature-card h3 { font-size: 18px; font-weight: 700; color: white; margin-bottom: 10px; }
.feature-card p { color: rgba(255,255,255,.55); font-size: 15px; line-height: 1.6; }
.feature-tag {
  display: inline-block; margin-top: 20px;
  background: rgba(79,70,229,.25); border: 1px solid rgba(79,70,229,.4);
  color: #a5b4fc; padding: 5px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 700;
}

/* ===== TESTIMONIALS ===== */
.testimonials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.testimonial-featured {
  background: var(--blue-900);
  border-color: rgba(79,70,229,.3);
  color: var(--white);
  transform: scale(1.03);
  box-shadow: var(--shadow-lg);
}
.testimonial-featured:hover { transform: scale(1.03) translateY(-4px); }
.testimonial-stars { color: var(--yellow); font-size: 16px; margin-bottom: 16px; letter-spacing: 2px; }
.testimonial-card p { font-size: 15px; line-height: 1.7; color: var(--gray-700); margin-bottom: 24px; }
.testimonial-featured p { color: rgba(255,255,255,.75); }
.testimonial-author {
  display: flex; align-items: center; gap: 12px;
}
.testimonial-author img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; }
.testimonial-author strong { display: block; font-size: 14px; }
.testimonial-author span { font-size: 12px; color: var(--gray-500); }
.testimonial-featured .testimonial-author strong { color: white; }
.testimonial-featured .testimonial-author span { color: rgba(255,255,255,.5); }

/* ===== PLANS ===== */
.plans {
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.plans-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: start;
}

.plan-trial {
  background: rgba(255,255,255,.03);
  border-color: rgba(255,255,255,.08);
}
.plan-trial .plan-name { color: rgba(255,255,255,.4); }

.plan-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  width: 100%; max-width: 400px;
  transition: all var(--transition);
  position: relative;
}
.plan-card:hover { border-color: rgba(255,255,255,.2); transform: translateY(-4px); }

.plan-featured {
  background: linear-gradient(145deg, rgba(79,70,229,.15), rgba(124,58,237,.1));
  border-color: rgba(79,70,229,.5);
  box-shadow: 0 0 40px rgba(79,70,229,.2), var(--shadow-lg);
}
.plan-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--grad); color: white;
  font-size: 12px; font-weight: 700;
  padding: 5px 16px; border-radius: 999px;
  white-space: nowrap;
}

.plan-header { margin-bottom: 32px; }
.plan-name { font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: rgba(255,255,255,.5); }
.plan-featured .plan-name { color: #a5b4fc; }
.plan-price {
  display: flex; align-items: baseline; gap: 4px;
  margin: 10px 0 12px;
}
.plan-currency { font-size: 24px; font-weight: 700; color: rgba(255,255,255,.7); }
.plan-amount { font-size: 64px; font-weight: 900; color: white; line-height: 1; }
.plan-period { font-size: 16px; color: rgba(255,255,255,.4); }
.plan-desc { color: rgba(255,255,255,.5); font-size: 14px; line-height: 1.5; }

.plan-features {
  list-style: none;
  margin-bottom: 32px;
  display: flex; flex-direction: column; gap: 12px;
}
.plan-features li { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; color: rgba(255,255,255,.75); }
.plan-features li.disabled { color: rgba(255,255,255,.25); }
.check { color: var(--green); font-weight: 700; flex-shrink: 0; }
.check-no { color: rgba(255,255,255,.2); flex-shrink: 0; }

.plan-note { text-align: center; font-size: 12px; color: rgba(255,255,255,.35); margin-top: 12px; }
.plan-featured .plan-note { color: #a5b4fc; }

.plans-guarantee {
  display: flex; align-items: center; gap: 20px;
  background: rgba(16,185,129,.1); border: 1px solid rgba(16,185,129,.2);
  border-radius: var(--radius-lg); padding: 24px 32px;
  max-width: 640px; margin: 0 auto;
}
.guarantee-icon { font-size: 36px; flex-shrink: 0; }
.plans-guarantee strong { display: block; color: white; font-size: 16px; margin-bottom: 4px; }
.plans-guarantee p { color: rgba(255,255,255,.5); font-size: 14px; }

/* ===== COMPARISON TABLE ===== */
.comparison-table-wrapper { overflow-x: auto; }
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}
.comparison-table th, .comparison-table td {
  padding: 16px 20px;
  text-align: center;
  border-bottom: 1px solid var(--gray-200);
}
.comparison-table th:first-child,
.comparison-table td:first-child { text-align: left; color: var(--gray-700); }
.comparison-table thead th { font-weight: 700; font-size: 14px; color: var(--gray-500); background: var(--gray-100); }
.comparison-table thead th:first-child { background: var(--gray-100); }
.highlight-col { background: rgba(79,70,229,.06); }
.comparison-table thead .highlight-col { background: rgba(79,70,229,.1); color: var(--indigo); font-weight: 800; }
.comparison-table tbody tr:hover td { background: var(--gray-50); }
.comparison-table tbody tr:hover .highlight-col { background: rgba(79,70,229,.08); }
.yes  { color: var(--green); font-size: 18px; font-weight: 700; }
.no   { color: var(--red); font-size: 18px; font-weight: 700; }
.partial { color: var(--yellow); font-size: 18px; font-weight: 700; }

/* ===== FAQ ===== */
.faq-list {
  max-width: 760px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 12px;
}
.faq-item {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq-question {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 22px 24px;
  background: none; border: none; cursor: pointer;
  font-size: 16px; font-weight: 600; color: var(--white);
  text-align: left;
  transition: background var(--transition);
}
.faq-question:hover { background: rgba(255,255,255,.04); }
.faq-icon {
  width: 28px; height: 28px; border-radius: 50%;
  background: rgba(79,70,229,.2); color: #a5b4fc;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 400; flex-shrink: 0;
  transition: transform var(--transition);
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: rgba(79,70,229,.4); }
.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
  padding: 0 24px;
}
.faq-item.open .faq-answer { max-height: 200px; padding: 0 24px 22px; }
.faq-answer p { color: rgba(255,255,255,.55); font-size: 15px; line-height: 1.7; }

/* ===== CTA ===== */
.cta-section {
  background: var(--blue-900);
  position: relative; overflow: hidden;
  text-align: center;
}
.cta-bg { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.cta-orb { position: absolute; border-radius: 50%; filter: blur(80px); opacity: .2; }
.cta-orb-1 { width: 500px; height: 500px; background: var(--indigo); top: -200px; left: -100px; }
.cta-orb-2 { width: 400px; height: 400px; background: var(--violet); bottom: -150px; right: -50px; }
.cta-inner { position: relative; z-index: 1; }
.cta-emoji { font-size: 56px; margin-bottom: 24px; display: block; }
.cta-title {
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 900; color: white;
  line-height: 1.2; margin-bottom: 20px; letter-spacing: -.02em;
}
.cta-subtitle {
  font-size: 18px; color: rgba(255,255,255,.6);
  max-width: 520px; margin: 0 auto 40px; line-height: 1.6;
}
.cta-note { margin-top: 20px; font-size: 13px; color: rgba(255,255,255,.35); }

/* ===== FOOTER ===== */
.footer {
  background: var(--blue-900);
  border-top: 1px solid rgba(255,255,255,.06);
  padding-top: 64px;
}
.footer-links {
  display: flex;
  gap: 48px;
}

.footer-inner {
  display: flex;
  gap: 48px;
  padding-bottom: 48px;
  align-items: flex-start;
}
.footer-brand { flex: 0 0 260px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { color: rgba(255,255,255,.4); font-size: 14px; line-height: 1.6; max-width: 240px; }
.footer-col h4 { font-size: 13px; font-weight: 700; color: rgba(255,255,255,.5); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 16px; }
.footer-col a { display: block; color: rgba(255,255,255,.5); text-decoration: none; font-size: 14px; margin-bottom: 10px; transition: color var(--transition); }
.footer-col a:hover { color: white; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 20px 0;
}
.footer-bottom .container {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px; color: rgba(255,255,255,.3);
}

/* ===== CHECKOUT MODAL ===== */
.modal-overlay {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(0,0,0,.75);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  animation: fadeIn .2s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal-card {
  background: var(--blue-800);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 24px;
  padding: 40px 36px;
  width: 100%; max-width: 440px;
  position: relative;
  animation: slideUp .25s ease;
}
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: none; opacity: 1; } }

.modal-close {
  position: absolute; top: 16px; right: 16px;
  background: rgba(255,255,255,.06); border: none;
  color: rgba(255,255,255,.5); width: 32px; height: 32px;
  border-radius: 50%; cursor: pointer; font-size: 14px;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.modal-close:hover { background: rgba(255,255,255,.12); color: white; }

.modal-step { display: none; flex-direction: column; align-items: center; gap: 16px; text-align: center; }
.modal-step.active { display: flex; }

.modal-icon { font-size: 48px; }
.modal-title { font-size: 22px; font-weight: 800; color: white; }
.modal-desc { color: rgba(255,255,255,.5); font-size: 15px; line-height: 1.6; }

.modal-plan-badge {
  background: rgba(79,70,229,.2);
  border: 1px solid rgba(79,70,229,.4);
  color: #a5b4fc; padding: 6px 16px;
  border-radius: 999px; font-size: 13px; font-weight: 700;
}

.modal-field { width: 100%; text-align: left; }
.modal-field label { display: block; font-size: 13px; font-weight: 600; color: rgba(255,255,255,.6); margin-bottom: 8px; }
.modal-input {
  width: 100%; padding: 14px 16px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius); color: white;
  font-size: 16px; outline: none;
  transition: border-color var(--transition);
}
.modal-input:focus { border-color: var(--indigo); }
.modal-input::placeholder { color: rgba(255,255,255,.3); }
.modal-input.error { border-color: #ef4444; }
.modal-hint { font-size: 12px; color: rgba(255,255,255,.3); margin-top: 6px; display: block; }

.modal-secure { font-size: 12px; color: rgba(255,255,255,.3); margin-top: -4px; }

/* Spinner */
.modal-spinner {
  width: 48px; height: 48px; border-radius: 50%;
  border: 4px solid rgba(255,255,255,.1);
  border-top-color: var(--indigo);
  animation: spin .8s linear infinite;
  margin-bottom: 8px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== SCROLL ANIMATION ===== */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  .plans-grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .feature-card:nth-child(1) { grid-column: 1 / span 2; grid-row: auto; }
  .feature-card:nth-child(6) { grid-column: 1 / span 2; grid-row: auto; }
  .feature-large { grid-row: auto; }
  .testimonials { grid-template-columns: 1fr; }
  .testimonial-featured { transform: none; }
  .step-connector { display: none; }
  .steps { gap: 40px; }
  .footer-inner { gap: 32px; flex-wrap: wrap; }
  .footer-brand { flex: 0 0 100%; }
  .footer-links { flex: 1; gap: 24px; }
}

@media (max-width: 640px) {
  .section { padding: 72px 0; }
  .hero { padding-top: 100px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card:nth-child(1), .feature-card:nth-child(6) { grid-column: auto; }
  .plans { flex-direction: column; align-items: center; }
  .plans-grid-4 { grid-template-columns: 1fr; }
  .plan-card { max-width: 100%; }
  .footer-inner { flex-direction: column; gap: 32px; }
  .footer-brand { flex: unset; }
  .footer-links { gap: 16px; }
  .footer-bottom .container { flex-direction: column; gap: 8px; text-align: center; }
  .comparison-table { font-size: 13px; }
  .comparison-table th, .comparison-table td { padding: 12px 10px; }
}