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

:root {
  --color-bg: #ffffff;
  --color-text: #1a1a2e;
  --color-text-muted: #5a5a72;
  --color-navy: #35567D;
  --color-primary: #4F46E5;
  --color-primary-hover: #4338CA;
  --color-gold: #D4A843;
  --color-hero-bg: #F5F7FA;
  --color-card-bg: #ffffff;
  --color-border: #E5E7EB;
  --color-success: #059669;
  --color-error: #DC2626;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --max-width: 1080px;
  --section-padding: 96px 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-sans);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  border: 2px solid transparent;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  color: #fff;
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.btn-outline {
  color: var(--color-text);
  background: transparent;
  border-color: var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-text-muted);
  background: rgba(0, 0, 0, 0.02);
}

.btn-outline-light {
  color: #fff;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline-light:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

/* === Nav === */
.nav {
  padding: 16px 0;
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.nav-logo img {
  height: 28px;
  width: auto;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
}

.nav-link:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.nav-btn {
  display: inline-flex;
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  background: var(--color-navy);
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.2s;
}

.nav-btn:hover {
  background: #2a4566;
  text-decoration: none;
}

/* === Hero === */
.hero {
  padding: 80px 0 64px;
  background: var(--color-hero-bg);
}

.hero-container {
  text-align: center;
  max-width: 720px;
}

.eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 3.25rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
  color: var(--color-text);
}

.subheadline {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero .waitlist-form {
  max-width: 500px;
  margin: 0 auto 20px;
}

.secondary-cta {
  margin-bottom: 12px;
  font-size: 0.95rem;
}

.expectation-text {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* === Section Heading === */
.section-heading {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 56px;
  color: var(--color-text);
}

/* === Features === */
.features {
  padding: var(--section-padding);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.feature-card {
  background: var(--color-hero-bg);
  border-radius: 16px;
  padding: 36px 32px;
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: #fff;
}

.feature-icon-purple {
  background: var(--color-primary);
}

.feature-icon-blue {
  background: var(--color-navy);
}

.feature-icon-green {
  background: #059669;
}

.feature-icon-amber {
  background: var(--color-gold);
}

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text);
}

.feature-card p {
  font-size: 0.975rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* === Privacy === */
.privacy {
  padding: var(--section-padding);
  background: var(--color-hero-bg);
}

.privacy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.privacy-card {
  background: var(--color-card-bg);
  border-radius: 16px;
  padding: 32px 28px;
}

.privacy-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--color-primary);
  background: rgba(79, 70, 229, 0.1);
}

.privacy-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
}

.privacy-card p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* === Closing === */
.closing {
  padding: var(--section-padding);
}

.closing-text {
  font-size: 1.25rem;
  line-height: 1.75;
  text-align: center;
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto;
}

/* === Bottom CTA === */
.bottom-cta {
  padding: var(--section-padding);
  background: var(--color-navy);
  text-align: center;
  color: #fff;
}

.bottom-cta h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 28px;
  color: #fff;
}

.bottom-cta .waitlist-form {
  max-width: 500px;
  margin: 0 auto 16px;
}

.bottom-cta .form-row input[type="email"] {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  color: #fff;
}

.bottom-cta .form-row input[type="email"]::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.bottom-cta .form-row input[type="email"]:focus {
  border-color: rgba(255, 255, 255, 0.6);
}

.bottom-cta .expectation-text {
  color: rgba(255, 255, 255, 0.6);
}

.bottom-cta .form-message.success {
  color: #6ee7b7;
}

.bottom-cta .form-message.error {
  color: #fca5a5;
}

/* === Footer === */
.footer {
  padding: 24px 0;
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer-links a {
  color: var(--color-text-muted);
}

.footer-links a:hover {
  color: var(--color-text);
}

/* === Waitlist Form (kept for script compatibility) === */
.waitlist-form {
  margin-bottom: 20px;
}

.form-row {
  display: flex;
  gap: 10px;
}

.form-row input[type="email"] {
  flex: 1;
  padding: 14px 16px;
  font-size: 1rem;
  font-family: var(--font-sans);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-card-bg);
  outline: none;
  transition: border-color 0.2s;
}

.form-row input[type="email"]:focus {
  border-color: var(--color-primary);
}

.form-row button {
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-sans);
  color: #fff;
  background: var(--color-primary);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s;
}

.form-row button:hover {
  background: var(--color-primary-hover);
}

.form-row button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-message {
  margin-top: 10px;
  font-size: 0.9rem;
  min-height: 1.4em;
}

.form-message.success {
  color: var(--color-success);
}

.form-message.error {
  color: var(--color-error);
}

/* === Responsive === */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.25rem;
  }

  .subheadline {
    font-size: 1rem;
  }

  .section-heading {
    font-size: 1.6rem;
  }

  .features-grid,
  .privacy-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    padding: 28px 24px;
  }

  .bottom-cta h2 {
    font-size: 1.6rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.85rem;
  }

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

  .form-row button {
    width: 100%;
  }

  .nav-link {
    display: none;
  }
}