/* ============================================
   Meml Landing Page — Minimal Static Styles
   Brand: Steel Blue #5B8FB9 (light) / #7AADD4 (dark)
   Fonts: Nunito Sans (add @font-face when ready)
   ============================================ */

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

:root {
  --color-brand: #5B8FB9;
  --color-brand-dark: #7AADD4;
  --color-text: #1a1a1a;
  --color-text-secondary: #555;
  --color-bg: #ffffff;
  --color-bg-alt: #f7f8fa;
  --color-border: #e0e0e0;
  --color-footer-bg: #1a1a1a;
  --color-footer-text: #ccc;
  --font-sans: 'Nunito Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --max-width: 1080px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-brand: #7AADD4;
    --color-brand-dark: #5B8FB9;
    --color-text: #e8e8e8;
    --color-text-secondary: #aaa;
    --color-bg: #111111;
    --color-bg-alt: #1a1a1a;
    --color-border: #333;
    --color-footer-bg: #0a0a0a;
    --color-footer-text: #888;
  }
}

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

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

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

h1, h2, h3 {
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); margin-bottom: var(--space-md); }
h3 { font-size: 1.15rem; }

a {
  color: var(--color-brand);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

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

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

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 56px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.nav-logo:hover { text-decoration: none; }

.nav-logo-icon {
  display: inline-block;
  width: 28px;
  height: 28px;
  background-color: var(--color-brand);
  -webkit-mask-image: url('assets/meml-icon.svg');
  mask-image: url('assets/meml-icon.svg');
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
}

.nav-links {
  display: flex;
  gap: var(--space-sm);
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  padding: var(--space-xs) var(--space-sm);
  border-radius: 8px;
  transition: color 0.15s;
}
.nav-links a:hover {
  color: var(--color-text);
  text-decoration: none;
}

.nav-cta {
  background: var(--color-brand) !important;
  color: #fff !important;
}
.nav-cta:hover {
  opacity: 0.9;
}

/* --- Language Switcher --- */
.lang-switcher {
  display: flex;
  gap: 2px;
  margin-left: var(--space-sm);
  font-size: 0.8rem;
  font-weight: 700;
}

.lang-switcher a,
.lang-switcher .lang-current {
  padding: 4px 8px;
  border-radius: 6px;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
}

.lang-switcher a:hover {
  color: var(--color-text);
  background: var(--color-bg-alt);
  text-decoration: none;
}

.lang-switcher .lang-current {
  color: var(--color-brand);
  background: var(--color-bg-alt);
}

/* --- Hero --- */
.hero {
  padding: var(--space-xl) 0;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.hero-subtitle {
  color: var(--color-text-secondary);
  font-size: 1.15rem;
  margin-top: var(--space-sm);
  max-width: 480px;
}

.hero-cta {
  margin-top: var(--space-md);
}

.hero-trust-line {
  margin-top: var(--space-sm);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.app-store-badge img {
  transition: opacity 0.15s;
}
.app-store-badge:hover img {
  opacity: 0.85;
}

/* Coming-soon banner & badge — temporary; remove together with the
   matching markup once the app is live in the App Store. */
.coming-soon-banner {
  background: var(--color-brand);
  color: #fff;
  text-align: center;
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.coming-soon-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 180px;
  height: 60px;
  border: 2px dashed var(--color-brand);
  border-radius: 12px;
  color: var(--color-brand);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  text-align: center;
  padding: 0 12px;
}

/* --- Device Mockup Images (appshot-generated with frame + gradient) --- */
.device-mockup {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
  animation: device-float 6s ease-in-out infinite;
}

@keyframes device-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Hero device */
.device-mockup--hero {
  max-width: 300px;
  margin: 0 auto;
  animation: hero-float 7s ease-in-out infinite;
}

@keyframes hero-float {
  0%, 100% { transform: perspective(1000px) rotateY(-4deg) rotateX(2deg) translateY(0); }
  50% { transform: perspective(1000px) rotateY(-2deg) rotateX(1deg) translateY(-12px); }
}

/* Feature block devices with alternating tilt */
.device-mockup--tilt-right {
  max-width: 260px;
  margin: 0 auto;
  transform: perspective(800px) rotateY(-6deg) rotateX(2deg);
  transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.device-mockup--tilt-right:hover {
  transform: perspective(800px) rotateY(-1deg) rotateX(0.5deg) scale(1.04);
  filter: drop-shadow(0 30px 50px rgba(0, 0, 0, 0.35));
}

.device-mockup--tilt-left {
  max-width: 260px;
  margin: 0 auto;
  transform: perspective(800px) rotateY(6deg) rotateX(2deg);
  transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.device-mockup--tilt-left:hover {
  transform: perspective(800px) rotateY(1deg) rotateX(0.5deg) scale(1.04);
  filter: drop-shadow(0 30px 50px rgba(0, 0, 0, 0.35));
}

/* Stagger float animation */
.feature-block:nth-child(2) .device-mockup { animation-delay: -1.2s; }
.feature-block:nth-child(3) .device-mockup { animation-delay: -2.4s; }
.feature-block:nth-child(4) .device-mockup { animation-delay: -3.6s; }
.feature-block:nth-child(5) .device-mockup { animation-delay: -4.8s; }

/* --- Trust --- */
.trust {
  padding: var(--space-lg) 0;
  background: var(--color-bg-alt);
}

.trust-intro {
  max-width: 720px;
  margin: 0 auto var(--space-lg);
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  text-align: center;
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.trust-icon {
  width: 36px;
  height: 36px;
  color: var(--color-brand);
}

.trust-item p {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
}

/* --- Feature Blocks --- */
.features {
  padding: var(--space-xl) 0;
}

.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-border);
}

.feature-block:last-child {
  border-bottom: none;
}

.feature-block--reverse .feature-block-text {
  order: 2;
}
.feature-block--reverse .feature-block-image {
  order: 1;
}

.feature-block-eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-brand);
  margin-bottom: var(--space-xs);
}

.feature-block-text h2 {
  text-align: left;
  margin-bottom: var(--space-sm);
}

.feature-block-text p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
}

.feature-block-text ul {
  list-style: none;
  padding: 0;
}

.feature-block-text li {
  position: relative;
  padding-left: 1.3em;
  margin-bottom: var(--space-xs);
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.feature-block-text li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: var(--color-brand);
  font-weight: 700;
}

/* Feature block image container */
.feature-block-image {
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1000px;
}

/* --- How it works --- */
.how-it-works {
  padding: var(--space-xl) 0;
  background: var(--color-bg-alt);
}

.how-it-works h2 {
  text-align: center;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  text-align: center;
}

.step-number {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-sm);
  background: var(--color-brand);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
}

.step h3 {
  margin-bottom: var(--space-xs);
}

.step p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* --- Personas --- */
.personas {
  padding: var(--space-xl) 0;
}

.personas .container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.persona-card {
  padding: var(--space-md);
  background: var(--color-bg-alt);
  border-radius: 16px;
}

.persona-card h3 {
  margin-bottom: var(--space-sm);
  color: var(--color-brand);
}

.persona-card blockquote {
  font-style: italic;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
  padding-left: var(--space-sm);
  border-left: 3px solid var(--color-brand);
  font-size: 0.95rem;
}

.persona-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* --- Pricing --- */
.pricing {
  padding: var(--space-xl) 0;
  background: var(--color-bg-alt);
}

.pricing h2 {
  text-align: center;
}

.pricing-subheadline {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  margin-bottom: var(--space-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.pricing-table-wrap {
  overflow-x: auto;
  margin-bottom: var(--space-lg);
}

.pricing-table {
  width: 100%;
  max-width: 700px;
  margin: 0 auto;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.pricing-table th,
.pricing-table td {
  padding: var(--space-xs) var(--space-sm);
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.pricing-table th:first-child,
.pricing-table td:first-child {
  text-align: left;
}

.pricing-table thead th {
  font-size: 1.1rem;
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-border);
}

.pricing-table td:first-child {
  color: var(--color-text-secondary);
}

.pricing-check {
  color: var(--color-brand);
  font-weight: 700;
}

.pricing-dash {
  color: var(--color-text-secondary);
}

/* Price tiers */
.pricing-tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  max-width: 700px;
  margin: 0 auto var(--space-md);
}

.pricing-tier {
  text-align: center;
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  background: var(--color-bg);
}

.pricing-tier--highlight {
  border-color: var(--color-brand);
  position: relative;
}

.pricing-tier-label {
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: var(--space-xs);
}

.pricing-tier-price {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.pricing-tier-note {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.pricing-family {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

/* --- FAQ --- */
.faq {
  padding: var(--space-xl) 0;
}

.faq h2 {
  text-align: center;
}

.faq-list {
  max-width: 700px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item summary {
  padding: var(--space-sm) 0;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::after {
  content: "+";
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--color-text-secondary);
  transition: transform 0.2s;
}

.faq-item[open] summary::after {
  content: "−";
}

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

.faq-item p {
  padding-bottom: var(--space-sm);
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- Download CTA --- */
.download {
  padding: var(--space-xl) 0;
  background: var(--color-bg-alt);
  text-align: center;
}

.download-inner h2 {
  text-align: center;
}

.download-inner p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  font-size: 1.1rem;
}

.download-inner .app-store-badge {
  display: inline-block;
}

/* --- Footer --- */
.footer {
  padding: var(--space-md) 0;
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer-tagline {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-footer-text);
}

.footer-origin {
  font-size: 0.8rem;
  color: var(--color-footer-text);
}

.footer-legal {
  display: flex;
  gap: var(--space-md);
}

.footer-legal a {
  color: var(--color-footer-text);
  font-size: 0.85rem;
  font-weight: 600;
}
.footer-legal a:hover {
  color: #fff;
}

.footer-copy {
  font-size: 0.8rem;
  width: 100%;
  text-align: center;
  margin-top: var(--space-xs);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-image {
    order: -1;
  }

  .device-mockup--hero {
    max-width: 220px;
  }

  .device-mockup--tilt-right,
  .device-mockup--tilt-left {
    max-width: 220px;
    transform: none;
  }

  .device-mockup--tilt-right:hover,
  .device-mockup--tilt-left:hover {
    transform: scale(1.02);
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-block {
    grid-template-columns: 1fr;
  }

  .feature-block--reverse .feature-block-text {
    order: unset;
  }
  .feature-block--reverse .feature-block-image {
    order: unset;
  }

  .feature-block-text h2 {
    text-align: center;
  }

  .steps {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .personas .container {
    grid-template-columns: 1fr;
  }

  .pricing-tiers {
    grid-template-columns: 1fr;
  }

  .nav-links {
    gap: var(--space-xs);
  }

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

  .footer-legal {
    flex-wrap: wrap;
    justify-content: center;
  }
}