/* ============================================================
   Cloud Inspire — Landing Page Styles
   CLO-213: Conversion-focused landing page
   ============================================================ */

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --ci-blue: #1ABDF8;
  --ci-blue-dark: #0E9DD6;
  --ci-blue-glow: rgba(26, 189, 248, 0.15);
  --ci-navy: #1A1A2E;
  --ci-navy-light: #2D2D44;
  --ci-surface: #F8F7FA;
  --ci-white: #FFFFFF;
  --ci-gray-100: #F5F5F5;
  --ci-gray-200: #E8E8E8;
  --ci-gray-400: #A0A0A0;
  --ci-gray-600: #666666;
  --ci-success: #28C76F;
  --ci-warning: #FF9F43;

  --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --container-max: 720px;
  --transition: 0.3s ease;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--ci-navy);
  background: var(--ci-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Hero */
.landing-hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--ci-white);
  position: relative;
  overflow: hidden;
}

.landing-hero::before {
  content: '';
  position: absolute;
  top: -20%;
  left: -10%;
  width: 50%;
  height: 80%;
  background: radial-gradient(circle, var(--ci-blue-glow) 0%, transparent 70%);
  pointer-events: none;
}

.landing-hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  right: -10%;
  width: 50%;
  height: 70%;
  background: radial-gradient(circle, var(--ci-blue-glow) 0%, transparent 70%);
  pointer-events: none;
}

.landing-hero > * {
  position: relative;
  z-index: 1;
}

.landing-logo {
  margin-bottom: 2rem;
}

.landing-logo svg {
  height: 3rem;
  width: auto;
}

.landing-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--ci-blue-glow);
  color: var(--ci-blue-dark);
  padding: 0.375rem 1rem;
  border-radius: 2rem;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(26, 189, 248, 0.2);
}

.landing-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5.5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  max-width: 600px;
}

.landing-hero h1 .highlight {
  background: linear-gradient(135deg, var(--ci-blue), #6C63FF);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.landing-hero p {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--ci-gray-600);
  max-width: 520px;
  margin: 0 auto 2rem;
}

/* CTA Form */
.cta-form {
  width: 100%;
  max-width: 440px;
  margin: 0 auto;
}

.cta-form-group {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.cta-input {
  flex: 1;
  padding: 0.875rem 1rem;
  border: 1.5px solid var(--ci-gray-200);
  border-radius: 0.5rem;
  font-size: 1rem;
  font-family: var(--font-body);
  color: var(--ci-navy);
  background: var(--ci-white);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.cta-input:focus {
  outline: none;
  border-color: var(--ci-blue);
  box-shadow: 0 0 0 3px var(--ci-blue-glow);
}

.cta-input::placeholder {
  color: var(--ci-gray-400);
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  background: var(--ci-blue);
  color: var(--ci-white);
  border: none;
  border-radius: 0.5rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  box-shadow: 0 4px 14px rgba(26, 189, 248, 0.3);
}

.btn-cta:hover {
  background: var(--ci-blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(26, 189, 248, 0.4);
}

.cta-privacy {
  font-size: 0.75rem;
  color: var(--ci-gray-400);
  margin-top: 0.75rem;
  text-align: center;
}

.cta-privacy a {
  color: var(--ci-gray-600);
  text-decoration: underline;
}

/* Trust signals */
.trust-signals {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--ci-gray-200);
  flex-wrap: wrap;
}

.trust-signal {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ci-gray-600);
  font-size: 0.875rem;
}

.trust-signal .icon {
  color: var(--ci-success);
  font-size: 1.1rem;
}

/* Benefits section */
.benefits {
  padding: 5rem 0;
  background: var(--ci-surface);
}

.benefits h2 {
  text-align: center;
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 2.5rem;
}

.benefits-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 520px;
  margin: 0 auto;
}

.benefits-list li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  font-size: 1rem;
  color: var(--ci-navy);
}

.benefits-list li .check {
  flex-shrink: 0;
  color: var(--ci-success);
  font-size: 1.25rem;
  line-height: 1;
  margin-top: 0.1rem;
}

.benefits-list li strong {
  color: var(--ci-navy);
}

.benefits-list li span {
  color: var(--ci-gray-600);
}

/* Final CTA */
.final-cta {
  padding: 5rem 0;
  text-align: center;
  background: var(--ci-white);
}

.final-cta h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.75rem;
}

.final-cta p {
  color: var(--ci-gray-600);
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

/* Footer */
.landing-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--ci-gray-200);
  text-align: center;
  font-size: 0.8rem;
  color: var(--ci-gray-400);
}

.landing-footer a {
  color: var(--ci-gray-600);
}

/* Responsive */
@media (max-width: 480px) {
  .cta-form-group {
    flex-direction: column;
  }

  .trust-signals {
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
  }
}