/* ============================================================
   JustGuide Marketing - Main Styles
   ============================================================ */

@import url('./variables.css');

/* ============================================================
   1. CSS RESET & BASE
   ============================================================ */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-body);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
}

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

ul,
ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text);
  line-height: var(--leading-tight);
  font-weight: 700;
}

/* ============================================================
   2. UTILITIES
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-center {
  text-align: center;
}

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

/* ============================================================
   3. BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

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

.btn--primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background-color: var(--accent);
  color: var(--text);
  border-color: var(--accent);
}

.btn--secondary:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn--outline:hover {
  background-color: var(--primary);
  color: var(--text-inverse);
}

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

.btn--ghost:hover {
  background-color: var(--bg-alt);
}

.btn--sm {
  padding: 0.625rem 1.25rem;
  font-size: var(--text-sm);
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: var(--text-lg);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* ============================================================
   4. SECTION BASE
   ============================================================ */

.section {
  padding-block: var(--space-3xl);
}

.section--alt {
  background-color: var(--bg-alt);
}

.section--dark {
  background-color: var(--bg-dark);
  color: var(--text-inverse);
}

.section--dark h2,
.section--dark h3 {
  color: var(--text-inverse);
}

.section__header {
  text-align: center;
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: var(--space-xl);
}

.section__eyebrow {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.section__title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-md);
}

.section__subtitle {
  font-size: var(--text-lg);
  color: var(--text-muted);
  line-height: var(--leading-relaxed);
}

/* ============================================================
   5. HEADER
   ============================================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: box-shadow var(--transition-base);
}

.header--scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text);
}

.header__logo-icon {
  width: 40px;
  height: 40px;
}

.header__nav {
  display: none;
  align-items: center;
  gap: var(--space-lg);
}

.header__nav-link {
  font-weight: 500;
  color: var(--text-body);
  transition: color var(--transition-fast);
}

.header__nav-link:hover {
  color: var(--primary);
}

.header__actions {
  display: none;
  align-items: center;
  gap: var(--space-sm);
}

.header__mobile-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text);
}

.header__mobile-toggle svg {
  width: 24px;
  height: 24px;
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 320px;
  background-color: var(--bg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-lg);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  z-index: calc(var(--z-header) + 1);
}

.mobile-menu.is-open {
  transform: translateX(0);
}

.mobile-menu__overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
  z-index: var(--z-header);
}

.mobile-menu__overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
}

.mobile-menu__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text);
}

.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.mobile-menu__link {
  display: block;
  padding: var(--space-sm);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--text);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.mobile-menu__link:hover {
  background-color: var(--bg-alt);
}

.mobile-menu__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border);
}

/* ============================================================
   6. HERO
   ============================================================ */

.hero {
  padding-top: calc(72px + var(--space-3xl));
  padding-bottom: var(--space-3xl);
  background: linear-gradient(180deg, var(--bg) 0%, var(--primary-bg) 100%);
  overflow: hidden;
}

.hero__inner {
  text-align: center;
  max-width: 900px;
  margin-inline: auto;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: var(--primary-bg);
  color: var(--primary-dark);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
}

.hero__title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-md);
  color: var(--text);
}

.hero__title-highlight {
  color: var(--primary);
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--text-body);
  max-width: 650px;
  margin-inline: auto;
  margin-bottom: var(--space-lg);
  line-height: var(--leading-relaxed);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.hero__platforms {
  margin-bottom: var(--space-lg);
}

.hero__platforms-label {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
}

.hero__platforms-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1rem;
  font-size: var(--text-sm);
  color: var(--text-body);
  font-weight: 500;
}

.hero__platforms-item {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.hero__platforms-item::before {
  content: '';
  width: 6px;
  height: 6px;
  background-color: var(--primary);
  border-radius: 50%;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

.hero__trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.hero__trust-icon {
  width: 20px;
  height: 20px;
  color: var(--success);
}

/* ============================================================
   7. SOCIAL PROOF
   ============================================================ */

.social-proof {
  background-color: var(--bg-alt);
}

.testimonials {
  display: grid;
  gap: var(--space-md);
}

.testimonial-card {
  background-color: var(--bg);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

.testimonial-card__quote {
  font-size: var(--text-lg);
  color: var(--text);
  margin-bottom: var(--space-md);
  line-height: var(--leading-relaxed);
}

.testimonial-card__quote::before {
  content: '"';
  color: var(--primary);
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: 0;
  vertical-align: bottom;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.testimonial-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-inverse);
  font-weight: 700;
  font-size: var(--text-lg);
}

.testimonial-card__info {
  display: flex;
  flex-direction: column;
}

.testimonial-card__name {
  font-weight: 600;
  color: var(--text);
}

.testimonial-card__role {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* ============================================================
   8. FEATURES
   ============================================================ */

.features__grid {
  display: grid;
  gap: var(--space-md);
}

.feature-card {
  background-color: var(--bg);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  border: 1px solid var(--border);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background-color: var(--primary-bg);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.feature-card__icon svg {
  width: 28px;
  height: 28px;
}

.feature-card__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-xs);
}

.feature-card__description {
  color: var(--text-muted);
  line-height: var(--leading-relaxed);
}

.feature-card--highlight {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--text-inverse);
  border: none;
}

.feature-card--highlight .feature-card__icon {
  background-color: rgba(255, 255, 255, 0.2);
  color: var(--text-inverse);
}

.feature-card--highlight .feature-card__title {
  color: var(--text-inverse);
}

.feature-card--highlight .feature-card__description {
  color: rgba(255, 255, 255, 0.85);
}

/* ============================================================
   9. HOW IT WORKS
   ============================================================ */

.how-it-works {
  background-color: var(--bg-alt);
}

.steps {
  display: grid;
  gap: var(--space-lg);
  counter-reset: step;
}

.step {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.step__number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  color: var(--text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  font-weight: 700;
}

.step__content {
  flex: 1;
}

.step__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-xs);
}

.step__description {
  color: var(--text-muted);
  line-height: var(--leading-relaxed);
}

/* ============================================================
   10. SCREENSHOTS
   ============================================================ */

.screenshots__grid {
  display: grid;
  gap: var(--space-lg);
  justify-items: center;
}

.screenshot-card {
  position: relative;
  width: 100%;
  max-width: 280px;
}

.screenshot-card__frame {
  position: relative;
  background-color: var(--bg-alt);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  /* iPhone SE aspect ratio: 375x667 ≈ 9:16 */
  aspect-ratio: 9 / 16;
  box-shadow: var(--shadow-md);
}

.screenshot-card__frame:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* Hide placeholder when image is present */
.screenshot-card__frame:has(.screenshot-card__image) .screenshot-card__placeholder {
  display: none;
}

.screenshot-card__placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  color: var(--text-light);
  text-align: center;
  padding: var(--space-lg);
}

.screenshot-card__placeholder-icon {
  width: 64px;
  height: 64px;
  opacity: 0.5;
}

.screenshot-card__placeholder-text {
  font-size: var(--text-sm);
}

.screenshot-card__image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.screenshot-card__caption {
  text-align: center;
  margin-top: var(--space-sm);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--text);
}

/* ============================================================
   11. PRIVACY
   ============================================================ */

.privacy {
  background-color: var(--bg-alt);
}

.privacy__content {
  text-align: center;
  max-width: 700px;
  margin-inline: auto;
}

.privacy__icon {
  width: 80px;
  height: 80px;
  margin-inline: auto;
  margin-bottom: var(--space-md);
  color: var(--success);
}

.privacy__title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-md);
}

.privacy__text {
  font-size: var(--text-lg);
  color: var(--text-body);
  margin-bottom: var(--space-lg);
  line-height: var(--leading-relaxed);
}

.privacy__badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
}

.privacy__badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background-color: var(--bg);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text);
  border: 1px solid var(--border);
}

.privacy__badge-icon {
  width: 18px;
  height: 18px;
  color: var(--success);
}

/* ============================================================
   12. FINAL CTA
   ============================================================ */

.final-cta {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--text-inverse);
  text-align: center;
}

.final-cta__inner {
  max-width: 700px;
  margin-inline: auto;
}

.final-cta__title {
  font-size: var(--text-3xl);
  color: var(--text-inverse);
  margin-bottom: var(--space-md);
}

.final-cta__text {
  font-size: var(--text-lg);
  opacity: 0.9;
  margin-bottom: var(--space-lg);
  line-height: var(--leading-relaxed);
}

.final-cta__buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.final-cta .btn--primary {
  background-color: var(--text-inverse);
  color: var(--primary);
  border-color: var(--text-inverse);
}

.final-cta .btn--primary:hover {
  background-color: rgba(255, 255, 255, 0.9);
  border-color: rgba(255, 255, 255, 0.9);
}

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

.final-cta .btn--outline:hover {
  background-color: var(--text-inverse);
  color: var(--primary);
}

.final-cta__contact {
  font-size: var(--text-base);
  opacity: 0.9;
}

.final-cta__contact a {
  color: var(--text-inverse);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.final-cta__contact a:hover {
  opacity: 0.8;
}

/* ============================================================
   13. FOOTER
   ============================================================ */

.footer {
  background-color: var(--bg-dark);
  color: var(--text-inverse);
  padding-block: var(--space-xl);
}

.footer__inner {
  display: grid;
  gap: var(--space-lg);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--text-xl);
  font-weight: 700;
}

.footer__logo-icon {
  width: 36px;
  height: 36px;
}

.footer__tagline {
  color: var(--text-light);
  font-size: var(--text-sm);
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer__link {
  color: var(--text-light);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--text-inverse);
}

.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--text-sm);
  color: var(--text-light);
}

.footer__copyright {
  color: var(--text-light);
}

.footer__privacy-note {
  font-size: var(--text-xs);
  opacity: 0.7;
}

/* ============================================================
   14. RESPONSIVE STYLES
   ============================================================ */

/* Tablet (768px+) */
@media (min-width: 768px) {
  :root {
    --container-padding: 2rem;
  }
  
  .section {
    padding-block: var(--space-4xl);
  }
  
  .section__title {
    font-size: var(--text-5xl);
  }
  
  /* Header */
  .header__nav {
    display: flex;
  }
  
  .header__actions {
    display: flex;
  }
  
  .header__mobile-toggle {
    display: none;
  }
  
  /* Hero */
  .hero {
    padding-top: calc(72px + var(--space-4xl));
    padding-bottom: var(--space-4xl);
  }
  
  .hero__title {
    font-size: var(--text-5xl);
  }
  
  .hero__subtitle {
    font-size: var(--text-xl);
  }
  
  /* Testimonials */
  .testimonials {
    grid-template-columns: repeat(3, 1fr);
  }
  
  /* Features */
  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* Steps */
  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
  }
  
  .step {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
  
  /* Screenshots */
  .screenshots__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
  }
  
  .screenshot-card {
    max-width: 320px;
  }
  
  /* Final CTA */
  .final-cta__title {
    font-size: var(--text-4xl);
  }
  
  /* Footer */
  .footer__inner {
    grid-template-columns: 2fr 1fr;
    align-items: start;
  }
  
  .footer__links {
    justify-content: flex-end;
  }
  
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
  .hero__title {
    font-size: var(--text-6xl);
  }
  
  /* Features */
  .features__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .feature-card--highlight {
    grid-column: span 2;
  }
}

/* Large Desktop (1200px+) */
@media (min-width: 1200px) {
  :root {
    --container-padding: 3rem;
  }
}

/* ============================================================
   15. ANIMATIONS
   ============================================================ */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }

/* Only animate if user hasn't disabled motion */
@media (prefers-reduced-motion: reduce) {
  .animate-fade-in-up {
    animation: none;
    opacity: 1;
  }
}