/* ============================================
   SHIP IT Apps Portfolio — Design System
   Aesthetic: Editorial Luxury
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=General+Sans:wght@400;500;600;700&display=swap');

/* --- Design Tokens --- */
:root {
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'General Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --color-ink: #1a1a1a;
  --color-ink-soft: #4a4a4a;
  --color-ink-muted: #8a8a8a;
  --color-surface: #ffffff;
  --color-canvas: #f6f5f1;
  --color-canvas-warm: #edeae3;
  --color-accent: #007AFF;
  --color-accent-soft: #e8f2ff;
  --color-border: #e2e0d8;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --shadow-soft: 0 2px 20px rgba(0, 0, 0, 0.04);
  --shadow-hover: 0 8px 40px rgba(0, 0, 0, 0.08);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 24px rgba(0, 0, 0, 0.06);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 10rem;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--color-ink);
  background-color: var(--color-canvas);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
}

/* Subtle grain texture */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  opacity: 0.3;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  z-index: 9999;
}

img {
  max-width: 100%;
  display: block;
}

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

/* --- Typography --- */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.display-xl {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.display-lg {
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.display-md {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.text-lg {
  font-size: 1.125rem;
  line-height: 1.7;
}

.text-body {
  font-size: 1rem;
  line-height: 1.6;
}

.text-sm {
  font-size: 0.875rem;
  line-height: 1.5;
}

.text-xs {
  font-size: 0.75rem;
  line-height: 1.4;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 600;
}

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

.text-soft {
  color: var(--color-ink-soft);
}

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

/* --- Layout --- */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container--narrow {
  max-width: 720px;
}

.container--wide {
  max-width: 1320px;
}

/* --- Entrance Animations --- */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-in {
  animation: fadeUp 0.8s var(--ease-out) both;
}

.animate-in-delay-1 { animation-delay: 0.1s; }
.animate-in-delay-2 { animation-delay: 0.2s; }
.animate-in-delay-3 { animation-delay: 0.3s; }
.animate-in-delay-4 { animation-delay: 0.4s; }
.animate-in-delay-5 { animation-delay: 0.5s; }

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  padding: var(--space-md) 0;
  position: relative;
  z-index: 10;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-ink);
  transition: opacity 0.2s;
}

.nav__brand:hover {
  opacity: 0.6;
}

.nav__back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-ink-muted);
  transition: color 0.2s;
}

.nav__back:hover {
  color: var(--color-accent);
}

.nav__back svg {
  width: 16px;
  height: 16px;
  transition: transform 0.2s var(--ease-out);
}

.nav__back:hover svg {
  transform: translateX(-3px);
}

/* ============================================
   HOMEPAGE — Hero
   ============================================ */
.home-hero {
  padding: var(--space-3xl) 0 var(--space-xl);
  text-align: center;
}

.home-hero__label {
  display: inline-block;
  margin-bottom: var(--space-md);
  padding: 0.4rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.home-hero__title {
  margin-bottom: var(--space-sm);
}

.home-hero__subtitle {
  max-width: 480px;
  margin: 0 auto;
  color: var(--color-ink-soft);
  font-size: 1.125rem;
  line-height: 1.7;
}

/* ============================================
   HOMEPAGE — App Grid
   ============================================ */
.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-md);
  padding-bottom: var(--space-3xl);
}

.app-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all 0.4s var(--ease-out);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.app-card::after {
  content: '→';
  position: absolute;
  right: var(--space-lg);
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  opacity: 0;
  font-size: 1.25rem;
  color: var(--color-accent);
  transition: all 0.4s var(--ease-out);
}

.app-card:hover {
  border-color: transparent;
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.app-card:hover::after {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.app-card__icon {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  flex-shrink: 0;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.app-card__info {
  flex: 1;
  min-width: 0;
}

.app-card__name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin-bottom: 0.25rem;
}

.app-card__tagline {
  font-size: 0.9rem;
  color: var(--color-ink-muted);
  line-height: 1.5;
}

/* ============================================
   APP LANDING — Hero
   ============================================ */
.app-hero {
  padding: var(--space-2xl) 0 var(--space-xl);
  text-align: center;
}

.app-hero__icon {
  width: 128px;
  height: 128px;
  border-radius: var(--radius-xl);
  margin: 0 auto var(--space-lg);
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.1);
  animation: scaleIn 0.6s var(--ease-spring) both;
}

.app-hero__name {
  margin-bottom: var(--space-xs);
}

.app-hero__tagline {
  font-size: 1.2rem;
  color: var(--color-ink-soft);
  max-width: 500px;
  margin: 0 auto var(--space-lg);
  line-height: 1.6;
}

.app-hero__badge {
  display: inline-block;
  transition: transform 0.3s var(--ease-out), opacity 0.3s;
}

.app-hero__badge:hover {
  transform: scale(1.04);
  opacity: 0.85;
}

.app-hero__badge svg {
  height: 52px;
  width: auto;
}

/* ============================================
   APP LANDING — Features
   ============================================ */
.features {
  padding: var(--space-xl) 0 var(--space-2xl);
}

.features__header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.features__header h2 {
  margin-bottom: var(--space-xs);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-md);
}

.feature-card {
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent);
}

.feature-card__icon {
  font-size: 1.75rem;
  margin-bottom: var(--space-sm);
  display: block;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-soft);
  border-radius: var(--radius-sm);
}

.feature-card__title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
}

.feature-card__desc {
  font-size: 0.9rem;
  color: var(--color-ink-soft);
  line-height: 1.6;
}

/* ============================================
   APP LANDING — Info Bar
   ============================================ */
.info-bar {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-2xl);
}

.info-bar__inner {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-lg) var(--space-xl);
  text-align: center;
}

.info-bar__item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.info-bar__label {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-ink-muted);
}

.info-bar__value {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--color-ink);
}

/* ============================================
   APP LANDING — Links Section
   ============================================ */
.links-section {
  padding: 0 0 var(--space-2xl);
}

.links-section__header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-sm);
  max-width: 600px;
  margin: 0 auto;
}

.link-card {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all 0.3s var(--ease-out);
  font-weight: 500;
}

.link-card:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
  transform: translateX(4px);
}

.link-card__icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-canvas);
  border-radius: var(--radius-sm);
}

.link-card:hover .link-card__icon {
  background: var(--color-surface);
}

.link-card__text {
  flex: 1;
}

.link-card__arrow {
  color: var(--color-ink-muted);
  transition: transform 0.3s var(--ease-out), color 0.3s;
}

.link-card:hover .link-card__arrow {
  transform: translateX(3px);
  color: var(--color-accent);
}

/* ============================================
   SUPPORT PAGE — FAQ
   ============================================ */
.support-hero {
  padding: var(--space-2xl) 0 var(--space-xl);
  text-align: center;
}

.support-hero__icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-md);
  margin: 0 auto var(--space-md);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
}

.faq-section {
  padding: 0 0 var(--space-2xl);
}

.faq-section__header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.faq-list {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.3s;
}

.faq-item[open] {
  border-color: var(--color-accent);
}

.faq-item summary {
  padding: var(--space-md) var(--space-lg);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  transition: color 0.2s;
  user-select: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-ink-muted);
  transition: transform 0.3s var(--ease-out), color 0.3s;
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
  color: var(--color-accent);
}

.faq-item summary:hover {
  color: var(--color-accent);
}

.faq-item__body {
  padding: 0 var(--space-lg) var(--space-md);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-ink-soft);
}

/* ============================================
   SUPPORT PAGE — Contact
   ============================================ */
.contact-section {
  padding: 0 0 var(--space-2xl);
}

.contact-card {
  max-width: 480px;
  margin: 0 auto;
  padding: var(--space-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
}

.contact-card__title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin-bottom: var(--space-xs);
}

.contact-card__desc {
  color: var(--color-ink-soft);
  font-size: 0.9rem;
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

.contact-card__email {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--color-accent);
  color: #fff;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s var(--ease-out);
}

.contact-card__email:hover {
  background: #0066d6;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 122, 255, 0.3);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer__text {
  font-size: 0.8rem;
  color: var(--color-ink-muted);
}

.footer__text a {
  color: var(--color-ink-soft);
  transition: color 0.2s;
}

.footer__text a:hover {
  color: var(--color-accent);
}

/* ============================================
   DIVIDER
   ============================================ */
.divider {
  width: 48px;
  height: 2px;
  background: var(--color-border);
  margin: 0 auto var(--space-sm);
  border-radius: 1px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 640px) {
  .home-hero {
    padding: var(--space-2xl) 0 var(--space-lg);
  }

  .app-grid {
    grid-template-columns: 1fr;
  }

  .app-card {
    padding: var(--space-md);
  }

  .app-card__icon {
    width: 64px;
    height: 64px;
  }

  .features__grid {
    grid-template-columns: 1fr;
  }

  .info-bar__inner {
    gap: var(--space-md);
  }

  .links-grid {
    grid-template-columns: 1fr;
  }

  .app-hero {
    padding: var(--space-xl) 0 var(--space-lg);
  }

  .app-hero__icon {
    width: 96px;
    height: 96px;
  }
}