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

:root {
  --azure: #0078D4;
  --azure-dark: #005fa3;
  --azure-light: #e8f3fc;
  --text: #0f172a;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --surface: #f8fafc;
  --white: #ffffff;
  --radius: 12px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,.10);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.12);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  font-size: 16px;
}

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

img, svg { display: block; }

/* ===========================
   LAYOUT
   =========================== */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }
.section--alt { background: var(--surface); }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin: 12px 0 16px;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 auto;
}

/* ===========================
   BADGE
   =========================== */
.badge {
  display: inline-flex;
  align-items: center;
  background: var(--azure-light);
  color: var(--azure);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
}

/* ===========================
   BUTTONS
   =========================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: all .18s ease;
  border: 2px solid transparent;
  white-space: nowrap;
  padding: 10px 20px;
  font-size: 0.925rem;
}

.btn--sm { padding: 8px 16px; font-size: 0.875rem; }
.btn--lg { padding: 14px 28px; font-size: 1rem; }
.btn--full { width: 100%; }

.btn--primary {
  background: var(--azure);
  color: var(--white);
  border-color: var(--azure);
}
.btn--primary:hover { background: var(--azure-dark); border-color: var(--azure-dark); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(0,120,212,.35); }

.btn--ghost {
  background: rgba(255,255,255,.12);
  color: var(--white);
  border-color: rgba(255,255,255,.3);
  backdrop-filter: blur(4px);
}
.btn--ghost:hover { background: rgba(255,255,255,.2); border-color: rgba(255,255,255,.5); }

.btn--outline {
  background: transparent;
  color: var(--azure);
  border-color: var(--border);
}
.btn--outline:hover { border-color: var(--azure); background: var(--azure-light); }

/* ===========================
   NAV
   =========================== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 64px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  flex-shrink: 0;
}

.nav__links {
  display: flex;
  gap: 28px;
  flex: 1;
}

.nav__links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color .15s;
}
.nav__links a:hover { color: var(--text); }

/* ===========================
   HERO
   =========================== */
.hero {
  background: linear-gradient(135deg, #0a1628 0%, #0d2240 50%, #0f2d52 100%);
  color: var(--white);
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 60% at 70% 50%, rgba(0,120,212,.25) 0%, transparent 70%),
              radial-gradient(ellipse 40% 60% at 10% 80%, rgba(0,188,242,.12) 0%, transparent 60%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  text-align: center;
}

.hero .badge {
  background: rgba(0,120,212,.25);
  color: #60b8f0;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.02em;
  margin-bottom: 24px;
}

.gradient-text {
  background: linear-gradient(90deg, #60b8f0, #00bcf2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__sub {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: rgba(255,255,255,.75);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.65;
}

.hero__actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.hero__footnote {
  font-size: 0.8rem;
  color: rgba(255,255,255,.45);
  margin-bottom: 56px;
}

.hero__stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 16px;
  padding: 28px 40px;
  max-width: 600px;
  margin: 0 auto;
  backdrop-filter: blur(8px);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
}

.stat__value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: 6px;
}

.stat__label {
  font-size: 0.8rem;
  color: rgba(255,255,255,.55);
  text-align: center;
}

.stat__divider {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,.15);
  margin: 0 20px;
}

/* ===========================
   LOGOS
   =========================== */
.logos {
  padding: 40px 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.logos__label {
  text-align: center;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.logos__row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.logo-pill {
  padding: 8px 20px;
  border-radius: 100px;
  border: 1px solid var(--border);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-muted);
  background: var(--white);
}

/* ===========================
   STEPS
   =========================== */
.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
}

.step {
  flex: 1;
  padding: 32px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.step__num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--azure);
  opacity: .25;
  margin-bottom: 12px;
  line-height: 1;
}

.step h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.step p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.step__arrow {
  flex-shrink: 0;
  font-size: 1.5rem;
  color: var(--azure);
  opacity: .4;
  padding: 0 12px;
  margin-top: 60px;
}

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

.feature-card {
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s, transform .2s;
}

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

.feature-card__icon {
  width: 48px;
  height: 48px;
  background: var(--azure-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ===========================
   TESTIMONIALS
   =========================== */
.testimonials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial {
  padding: 32px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
}

.testimonial__quote {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text);
  font-style: italic;
  position: relative;
}

.testimonial__quote::before {
  content: '"';
  font-size: 4rem;
  color: var(--azure);
  opacity: .15;
  position: absolute;
  top: -20px;
  left: -8px;
  line-height: 1;
  font-style: normal;
}

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

.avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--azure);
  color: white;
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.testimonial__author strong { display: block; font-size: 0.9rem; }
.testimonial__author span { font-size: 0.8rem; color: var(--text-muted); }

/* ===========================
   PRICING
   =========================== */
.pricing {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.pricing-card {
  padding: 36px 28px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
}

.pricing-card--featured {
  border-color: var(--azure);
  box-shadow: 0 0 0 3px rgba(0,120,212,.12), var(--shadow-lg);
  transform: scale(1.02);
}

.pricing-card__badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--azure);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 100px;
  white-space: nowrap;
  letter-spacing: .03em;
}

.pricing-card__tier {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.pricing-card__price {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 4px;
}

.pricing-card__price span { font-size: 1rem; font-weight: 500; color: var(--text-muted); }

.pricing-card__period {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.pricing-card__features {
  list-style: none;
  margin-bottom: 28px;
}

.pricing-card__features li {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.pricing-card__features li::before {
  content: '';
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  background: var(--azure-light);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 12 12'%3E%3Cpath d='M2 6l3 3 5-5' stroke='%230078D4' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

/* ===========================
   CTA SECTION
   =========================== */
.cta-section {
  background: linear-gradient(135deg, #0a1628 0%, #0d2240 60%, #0f2d52 100%);
  padding: 100px 0;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 80% at 50% 50%, rgba(0,120,212,.2) 0%, transparent 70%);
  pointer-events: none;
}

.cta-section__inner {
  position: relative;
  text-align: center;
}

.cta-section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.15;
}

.cta-section p {
  font-size: 1.1rem;
  color: rgba(255,255,255,.7);
  margin-bottom: 36px;
}

.cta-form {
  display: flex;
  gap: 12px;
  max-width: 500px;
  margin: 0 auto 16px;
}

.cta-form__input {
  flex: 1;
  padding: 14px 18px;
  border-radius: 8px;
  border: 1.5px solid rgba(255,255,255,.2);
  background: rgba(255,255,255,.1);
  color: var(--white);
  font-size: 1rem;
  font-family: inherit;
  outline: none;
  transition: border-color .15s;
}

.cta-form__input::placeholder { color: rgba(255,255,255,.45); }
.cta-form__input:focus { border-color: rgba(255,255,255,.5); background: rgba(255,255,255,.15); }

.cta-section__footnote {
  font-size: 0.78rem;
  color: rgba(255,255,255,.4);
}

/* ===========================
   FOOTER
   =========================== */
.footer {
  background: var(--text);
  color: rgba(255,255,255,.6);
  padding: 36px 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}

.footer__logo { color: var(--white); gap: 8px; }

.footer__links {
  display: flex;
  gap: 20px;
  flex: 1;
}

.footer__links a {
  font-size: 0.85rem;
  transition: color .15s;
}
.footer__links a:hover { color: var(--white); }

.footer__copy {
  font-size: 0.78rem;
  margin-left: auto;
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 900px) {
  .features { grid-template-columns: repeat(2, 1fr); }
  .testimonials { grid-template-columns: 1fr; }
  .pricing { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .pricing-card--featured { transform: none; }

  .steps {
    flex-direction: column;
    gap: 12px;
  }
  .step__arrow {
    transform: rotate(90deg);
    margin: -4px auto;
    padding: 0;
    font-size: 1.2rem;
  }
}

@media (max-width: 640px) {
  .nav__links { display: none; }
  .hero { padding: 72px 0 60px; }
  .hero__stats { flex-direction: column; padding: 24px; gap: 20px; }
  .stat__divider { width: 60px; height: 1px; margin: 0; }
  .features { grid-template-columns: 1fr; }
  .cta-form { flex-direction: column; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
  .footer__copy { margin-left: 0; }
  .section { padding: 64px 0; }
}