/* ============================================================
   MatrixCraft Website — Shared Stylesheet
   Clean Editorial style: white bg, Matrix Green accent
   ============================================================ */

/* Font loaded via <link> in HTML — do not duplicate with @import */

/* ============================================================
   CSS Reset & Variables
   ============================================================ */

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

:root {
  --color-primary:    #10B981;
  --color-primary-dark: #059669;
  --color-primary-light: #D1FAE5;
  --color-text:       #1A1A1A;
  --color-secondary:  #888888;
  --color-border:     #F0F0F0;
  --color-bg-dim:     #FAFAFA;
  --color-white:      #FFFFFF;
  --color-dark:       #111827;

  --font-base: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius-pill:  20px;
  --radius-card:  12px;
  --radius-phone: 28px;

  --shadow-card:    0 1px 4px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.06);
  --shadow-elevated: 0 8px 32px rgba(0,0,0,0.10);
  --shadow-dialog:  0 20px 60px rgba(0,0,0,0.18);

  --nav-height: 64px;
  --max-width:  1120px;
}

html {
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
}

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

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

/* ============================================================
   Utilities
   ============================================================ */

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

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

/* ============================================================
   Navigation
   ============================================================ */

#nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

#nav.scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 0 rgba(0,0,0,0.04);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-logo {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-logo-icon {
  color: var(--color-primary);
  font-size: 18px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-secondary);
  transition: color 0.2s;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.btn-lang {
  font-family: var(--font-base);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-secondary);
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}

.btn-lang:hover {
  color: var(--color-text);
  border-color: #ccc;
}

.btn-download {
  font-family: var(--font-base);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-white);
  background: var(--color-primary);
  border: none;
  border-radius: var(--radius-pill);
  padding: 8px 20px;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  white-space: nowrap;
}

.btn-download:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

/* Mobile nav open state */
#nav.menu-open .nav-hamburger span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
#nav.menu-open .nav-hamburger span:nth-child(2) {
  opacity: 0;
}
#nav.menu-open .nav-hamburger span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   Hero Section
   ============================================================ */

.hero {
  min-height: 100vh;
  padding-top: var(--nav-height);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--color-white);
}

/* Dot pattern background — right 55% */
.hero-bg-pattern {
  position: absolute;
  top: 0;
  right: 0;
  width: 55%;
  height: 100%;
  background-image: radial-gradient(circle, #D1FAE5 1.5px, transparent 1.5px);
  background-size: 28px 28px;
  opacity: 0.55;
  pointer-events: none;
}

/* Green gradient circle decoration */
.hero-circle {
  position: absolute;
  top: 10%;
  right: 12%;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle at 40% 40%, rgba(16,185,129,0.18) 0%, rgba(16,185,129,0.04) 60%, transparent 80%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 24px 80px;
  display: flex;
  align-items: center;
  gap: 64px;
  width: 100%;
  position: relative;
  z-index: 1;
}

/* Left column */
.hero-copy {
  flex: 1;
  max-width: 520px;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: 20px;
}

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

.hero-subtitle {
  font-size: 17px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-secondary);
  margin-bottom: 36px;
  max-width: 420px;
}

.hero-badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.badge-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-text);
  color: var(--color-white);
  border-radius: 12px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.2s, transform 0.15s;
}

.badge-link:hover {
  background: #333;
  transform: translateY(-1px);
}

.badge-icon {
  font-size: 20px;
  line-height: 1;
}

.badge-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.badge-text small {
  font-size: 10px;
  font-weight: 400;
  opacity: 0.75;
}

.badge-text strong {
  font-size: 14px;
}

/* Right column — phone mockup */
.hero-visual {
  flex-shrink: 0;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Phone frame: 260x520, dark frame, white screen, radius 28px */
.phone-mockup {
  width: 260px;
  height: 520px;
  background: #1C1C1E;
  border-radius: var(--radius-phone);
  padding: 12px;
  position: relative;
  box-shadow: 0 40px 80px rgba(0,0,0,0.25), 0 0 0 1px rgba(255,255,255,0.08);
}

.phone-mockup::before {
  /* Dynamic Island / notch */
  content: '';
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 22px;
  background: #1C1C1E;
  border-radius: 12px;
  z-index: 5;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: var(--color-white);
  border-radius: 20px;
  overflow: hidden;
  position: relative;
}

.phone-statusbar {
  height: 36px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 0 16px 4px;
}

.phone-statusbar-time {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text);
}

.phone-statusbar-icons {
  font-size: 9px;
  color: var(--color-text);
  display: flex;
  gap: 3px;
}

.phone-content {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow: hidden;
  height: calc(100% - 86px);
}

.phone-header {
  margin-bottom: 4px;
}

.phone-header-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
}

.phone-header-date {
  font-size: 10px;
  color: var(--color-secondary);
  margin-top: 1px;
}

/* Phone card items */
.phone-card {
  background: var(--color-bg-dim);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 8px 10px;
  flex-shrink: 0;
}

.phone-card-tag {
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 3px;
}

.phone-card-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
}

.phone-card-sub {
  font-size: 9px;
  color: var(--color-secondary);
  margin-top: 2px;
}

/* Phone bottom nav */
.phone-nav {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50px;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0 4px;
}

.phone-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  font-size: 7px;
  color: var(--color-secondary);
  flex: 1;
}

.phone-nav-item.active {
  color: var(--color-primary);
}

.phone-nav-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

/* Floating cards */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

@keyframes float-alt {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50%       { transform: translateY(-6px) rotate(-2deg); }
}

.floating-card {
  position: absolute;
  background: var(--color-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-elevated);
  border: 1px solid var(--color-border);
  padding: 10px 14px;
  pointer-events: none;
}

.floating-stat {
  right: -100px;
  top: 60px;
  min-width: 140px;
  animation: float 3.2s ease-in-out infinite;
}

.floating-publish {
  left: -110px;
  bottom: 90px;
  min-width: 150px;
  animation: float-alt 3.8s ease-in-out infinite;
  animation-delay: 0.6s;
}

.floating-card-label {
  font-size: 9px;
  font-weight: 600;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.floating-card-value {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
}

.floating-card-delta {
  font-size: 11px;
  color: var(--color-primary);
  font-weight: 600;
}

.floating-card-tags {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.floating-card-tag {
  font-size: 9px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 6px;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

/* ============================================================
   Quote Section
   ============================================================ */

.quote-section {
  padding: 80px 24px;
  text-align: center;
  background: var(--color-bg-dim);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.quote-text {
  font-size: clamp(22px, 3.5vw, 36px);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.4;
  max-width: 640px;
  margin: 0 auto;
  letter-spacing: -0.01em;
}

.quote-text::before {
  content: '"';
  color: var(--color-primary);
}

.quote-text::after {
  content: '"';
  color: var(--color-primary);
}

/* ============================================================
   Features Section
   ============================================================ */

.features-section {
  padding: 100px 24px;
  background: var(--color-white);
}

.section-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: 8px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--color-secondary);
  line-height: 1.65;
}

.features-header {
  text-align: center;
  margin-bottom: 72px;
}

/* Three-column layout: features | phone | features */
.features-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 48px;
  align-items: center;
}

.features-col {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.features-col.right {
  text-align: right;
}

.feature-card {
  padding: 0;
}

.feature-icon {
  font-size: 28px;
  margin-bottom: 10px;
  display: block;
}

.feature-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
}

.feature-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-secondary);
}

/* Center phone in features */
.features-phone-wrap {
  display: flex;
  justify-content: center;
}

.features-phone {
  width: 220px;
  height: 440px;
  background: #1C1C1E;
  border-radius: var(--radius-phone);
  padding: 10px;
  box-shadow: 0 32px 64px rgba(0,0,0,0.22), 0 0 0 1px rgba(255,255,255,0.06);
  position: relative;
}

.features-phone::before {
  content: '';
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 68px;
  height: 18px;
  background: #1C1C1E;
  border-radius: 10px;
  z-index: 5;
}

.features-phone .phone-screen {
  background: var(--color-bg-dim);
}

.features-phone-label {
  position: absolute;
  bottom: -32px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  font-weight: 600;
  color: var(--color-secondary);
  white-space: nowrap;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ============================================================
   CTA Section
   ============================================================ */

.cta-section {
  padding: 100px 24px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 60%;
  height: 200%;
  background: rgba(255,255,255,0.06);
  border-radius: 50%;
  pointer-events: none;
}

.cta-inner {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.cta-subtitle {
  font-size: 17px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 40px;
  line-height: 1.6;
}

.cta-badges {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-section .badge-link {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(8px);
}

.cta-section .badge-link:hover {
  background: rgba(255,255,255,0.25);
}

/* ============================================================
   Footer
   ============================================================ */

footer {
  padding: 32px 24px;
  border-top: 1px solid var(--color-border);
  background: var(--color-white);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 13px;
  color: var(--color-secondary);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 13px;
  color: var(--color-secondary);
  transition: color 0.2s;
}

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

/* ============================================================
   Privacy Page
   ============================================================ */

.privacy-page {
  padding-top: var(--nav-height);
  min-height: 100vh;
  background: var(--color-white);
}

.privacy-container {
  max-width: 720px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

.privacy-header {
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-border);
}

.privacy-header h1 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: 8px;
}

.privacy-header .last-updated {
  font-size: 14px;
  color: var(--color-secondary);
}

.privacy-content h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin: 40px 0 12px;
}

.privacy-content h2:first-child {
  margin-top: 0;
}

.privacy-content p {
  font-size: 15px;
  line-height: 1.8;
  color: #444;
  margin-bottom: 12px;
}

.privacy-content ul {
  padding-left: 20px;
  margin-bottom: 12px;
}

.privacy-content ul li {
  font-size: 15px;
  line-height: 1.75;
  color: #444;
  margin-bottom: 6px;
}

.privacy-content a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.privacy-content a:hover {
  color: var(--color-primary-dark);
}

.privacy-section {
  margin-bottom: 8px;
}

/* ============================================================
   Scroll Animation
   ============================================================ */

.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children */
.animate-on-scroll.delay-1 { transition-delay: 0.1s; }
.animate-on-scroll.delay-2 { transition-delay: 0.2s; }
.animate-on-scroll.delay-3 { transition-delay: 0.3s; }

/* ============================================================
   Responsive — Tablet / Mobile (max-width: 768px)
   ============================================================ */

@media (max-width: 768px) {
  :root {
    --nav-height: 56px;
  }

  /* Nav mobile */
  .nav-hamburger {
    display: flex;
  }

  .nav-links,
  .nav-actions {
    display: none;
  }

  #nav.menu-open .nav-links {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    padding: 20px 24px 28px;
    gap: 20px;
    z-index: 99;
  }

  #nav.menu-open .nav-links a {
    font-size: 16px;
    color: var(--color-text);
  }

  #nav.menu-open .nav-actions {
    display: flex;
    position: fixed;
    top: calc(var(--nav-height) + 120px);
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 0 24px 28px;
    z-index: 99;
    gap: 12px;
    flex-direction: column;
    border-bottom: 1px solid var(--color-border);
  }

  #nav.menu-open .btn-download {
    text-align: center;
    padding: 12px 20px;
  }

  /* Hero stacks vertically */
  .hero-inner {
    flex-direction: column;
    padding: 60px 24px 60px;
    gap: 48px;
    text-align: center;
  }

  .hero-copy {
    max-width: 100%;
  }

  .hero-subtitle {
    max-width: 100%;
  }

  .hero-badges {
    justify-content: center;
  }

  .hero-bg-pattern {
    width: 100%;
    opacity: 0.3;
  }

  .hero-circle {
    width: 300px;
    height: 300px;
    right: -60px;
    top: 5%;
  }

  .floating-stat {
    right: -30px;
    top: 20px;
    min-width: 120px;
    font-size: 90%;
  }

  .floating-publish {
    left: -30px;
    bottom: 60px;
    min-width: 130px;
    font-size: 90%;
  }

  /* Features stack */
  .features-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .features-col.right {
    text-align: left;
    order: 3;
  }

  .features-phone-wrap {
    order: 1;
  }

  .features-col:first-child {
    order: 2;
  }

  /* Quote */
  .quote-section {
    padding: 60px 24px;
  }

  /* CTA */
  .cta-section {
    padding: 72px 24px;
  }

  /* Footer */
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  /* Privacy */
  .privacy-container {
    padding: 40px 20px 60px;
  }

  .privacy-content h2 {
    font-size: 16px;
  }

  .privacy-content p,
  .privacy-content ul li {
    font-size: 14px;
  }
}