/* ============================================================
   DINUCCI LABS — Design System v2.0
   Premium dark tech aesthetic
   ============================================================ */

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

:root {
  /* Surfaces */
  --bg: #06060b;
  --bg-end: #0a0e14;
  --surface-1: #0f1318;
  --surface-2: #151a22;
  --surface-3: #1a2030;
  --border: #1e2a3a;
  --border-hover: #2a3a4e;

  /* Text */
  --text-primary: #f0f2f5;
  --text-secondary: #8b95a5;
  --text-tertiary: #5a6475;

  /* Product Colors */
  --memorix: #e8a445;
  --memorix-dark: #c07b20;
  --mamom: #6366f1;
  --mamom-dark: #4f46e5;
  --vespera: #ec4899;
  --vespera-dark: #be185d;
  --wipesignal: #c9a84c;
  --wipesignal-dark: #a68526;
  --direct: #0ea5e9;
  --direct-dark: #0d7377;
  --secondme: #f97316;
  --secondme-dark: #c2410c;
  --velom: #10b981;
  --velom-dark: #047857;
  --vyamed: #f43f5e;
  --vyamed-dark: #be123c;

  /* Feedback */
  --success: #10b981;
  --error: #ef4444;
  --warning: #f59e0b;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --duration: 300ms;
  --duration-fast: 150ms;

  /* Typography */
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  /* Container */
  --container: 1280px;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-primary);
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-end) 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
input, textarea { font: inherit; color: inherit; }

/* --- UTILITIES --- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

@media (min-width: 1024px) {
  .container { padding: 0 var(--space-2xl); }
}

.section {
  padding: var(--space-3xl) 0;
}

@media (min-width: 768px) {
  .section { padding: var(--space-4xl) 0; }
}

/* --- SKIP LINK --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--surface-2);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  z-index: 1000;
  font-size: 0.875rem;
}

.skip-link:focus {
  top: var(--space-md);
}

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
}

h3 {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  font-weight: 600;
}

h4 {
  font-size: 1.125rem;
  font-weight: 600;
}

/* --- EYEBROW --- */
.eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.eyebrow-memorix { color: var(--memorix); }
.eyebrow-mamom { color: var(--mamom); }
.eyebrow-vespera { color: var(--vespera); }
.eyebrow-wipesignal { color: var(--wipesignal); }
.eyebrow-direct { color: var(--direct); }
.eyebrow-secondme { color: var(--secondme); }
.eyebrow-velom { color: var(--velom); }
.eyebrow-vyamed { color: var(--vyamed); }

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: all var(--duration) var(--ease);
  white-space: nowrap;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--memorix), var(--memorix-dark));
  color: #06060b;
}

.btn-primary:hover {
  transform: translateY(-1px);
  filter: brightness(1.1);
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border-hover);
  color: var(--text-primary);
}

.btn-secondary:hover {
  border-color: var(--text-secondary);
  background: var(--surface-1);
}

.btn-block { width: 100%; }

.btn-header {
  padding: 10px 22px;
  font-size: 0.875rem;
}

/* Product buttons */
.btn-memorix { background: linear-gradient(135deg, var(--memorix), var(--memorix-dark)); color: #06060b; }
.btn-mamom { background: linear-gradient(135deg, var(--mamom), var(--mamom-dark)); color: #fff; }
.btn-vespera { background: linear-gradient(135deg, var(--vespera), var(--vespera-dark)); color: #fff; }
.btn-wipesignal { background: linear-gradient(135deg, var(--wipesignal), var(--wipesignal-dark)); color: #06060b; }
.btn-direct { background: linear-gradient(135deg, var(--direct), var(--direct-dark)); color: #fff; }
.btn-secondme { background: linear-gradient(135deg, var(--secondme), var(--secondme-dark)); color: #fff; }
.btn-velom { background: linear-gradient(135deg, var(--velom), var(--velom-dark)); color: #fff; }
.btn-vyamed { background: linear-gradient(135deg, var(--vyamed), var(--vyamed-dark)); color: #fff; }

.btn-memorix:hover, .btn-mamom:hover, .btn-vespera:hover,
.btn-wipesignal:hover, .btn-direct:hover, .btn-secondme:hover, .btn-velom:hover, .btn-vyamed:hover {
  transform: translateY(-1px);
  filter: brightness(1.1);
}

/* --- BADGES --- */
.badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
}

.badge-memorix { background: rgba(232, 164, 69, 0.1); color: var(--memorix); }
.badge-mamom { background: rgba(99, 102, 241, 0.1); color: var(--mamom); }
.badge-vespera { background: rgba(236, 72, 153, 0.1); color: var(--vespera); }
.badge-wipesignal { background: rgba(201, 168, 76, 0.1); color: var(--wipesignal); }
.badge-direct { background: rgba(14, 165, 233, 0.1); color: var(--direct); }
.badge-secondme { background: rgba(249, 115, 22, 0.1); color: var(--secondme); }
.badge-velom { background: rgba(16, 185, 129, 0.1); color: var(--velom); }
.badge-vyamed { background: rgba(244, 63, 94, 0.1); color: var(--vyamed); }

.badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* --- CARDS --- */
.card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: border-color var(--duration) var(--ease);
}

.card:hover { border-color: var(--border-hover); }

/* --- HEADER --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(6, 6, 11, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

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

.brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--memorix), var(--memorix-dark));
  color: #06060b;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.02em;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
}

/* Desktop Nav */
.nav-desktop { display: none; }

@media (min-width: 1024px) {
  .nav-desktop { display: block; }
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast) var(--ease), background var(--duration-fast) var(--ease);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: var(--surface-1);
}

.nav-has-submenu { position: relative; }

.caret {
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  transition: transform var(--duration-fast) var(--ease);
}

[aria-expanded="true"] .caret {
  transform: rotate(180deg);
}

.submenu {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 200px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

.submenu.open { display: block; }

.submenu-link {
  display: block;
  padding: 10px 14px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast) var(--ease), background var(--duration-fast) var(--ease);
}

.submenu-link:hover {
  color: var(--text-primary);
  background: var(--surface-3);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.btn-header { display: none; }

@media (min-width: 1024px) {
  .btn-header { display: inline-flex; }
}

/* Mobile Toggle */
.mobile-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 4px;
}

@media (min-width: 1024px) {
  .mobile-toggle { display: none; }
}

.mobile-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: all var(--duration) var(--ease);
}

.mobile-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.mobile-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Panel */
.mobile-panel {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg);
  padding: var(--space-lg);
  overflow-y: auto;
  z-index: 99;
}

.mobile-panel[hidden] { display: none; }

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

.mobile-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px var(--space-md);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: color var(--duration-fast) var(--ease), background var(--duration-fast) var(--ease);
}

.mobile-link:hover { color: var(--text-primary); background: var(--surface-1); }

.mobile-submenu-group { display: flex; flex-direction: column; }

.mobile-submenu {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: var(--space-lg);
}

.mobile-submenu[hidden] { display: none; }

.mobile-sublink {
  display: block;
  padding: 10px var(--space-md);
  font-size: 0.9375rem;
  color: var(--text-tertiary);
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast) var(--ease);
}

.mobile-sublink:hover { color: var(--text-primary); }

/* --- HERO --- */
.hero {
  padding-top: calc(64px + var(--space-2xl));
  padding-bottom: var(--space-2xl);
  display: flex;
  align-items: center;
}

@media (min-width: 768px) {
  .hero {
    padding-top: calc(64px + var(--space-3xl));
    padding-bottom: var(--space-3xl);
    min-height: min(75vh, 700px);
  }
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-3xl);
}

.hero-copy { max-width: 720px; }

.hero-lead {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: var(--space-lg);
  max-width: 600px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-md);
}

.metric-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
}

.metric-value {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.metric-label {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  margin-top: var(--space-sm);
  line-height: 1.4;
}

/* --- SECTION HEADER --- */
.section-header {
  max-width: 640px;
  margin-bottom: var(--space-2xl);
}

@media (min-width: 768px) {
  .section-header { margin-bottom: var(--space-3xl); }
}

.section-header--center {
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-lead {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: var(--space-md);
}

/* --- ECOSYSTEM GRID (Bento-style) --- */
.eco-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 640px) {
  .eco-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .eco-grid { grid-template-columns: repeat(3, 1fr); }
  .eco-card--featured { grid-column: span 1; }
  /* First 2 cards span wider */
  .eco-grid .eco-card:nth-child(1),
  .eco-grid .eco-card:nth-child(2) {
    grid-column: span 1;
  }
}

@media (min-width: 1200px) {
  .eco-grid {
    grid-template-columns: repeat(6, 1fr);
    grid-template-rows: auto auto auto;
  }
  /* Row 1: 2 featured cards, each 3 cols */
  .eco-grid .eco-card:nth-child(1) { grid-column: 1 / 4; }
  .eco-grid .eco-card:nth-child(2) { grid-column: 4 / 7; }
  /* Row 2: 3 standard cards, each 2 cols */
  .eco-grid .eco-card:nth-child(3) { grid-column: 1 / 3; }
  .eco-grid .eco-card:nth-child(4) { grid-column: 3 / 5; }
  .eco-grid .eco-card:nth-child(5) { grid-column: 5 / 7; }
  /* Row 3: 3 standard cards, each 2 cols */
  .eco-grid .eco-card:nth-child(6) { grid-column: 1 / 3; }
  .eco-grid .eco-card:nth-child(7) { grid-column: 3 / 5; }
  .eco-grid .eco-card:nth-child(8) { grid-column: 5 / 7; }
}

/* --- Card Base --- */
.eco-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 210px;
  background: var(--surface-2);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg) var(--space-lg);
  overflow: hidden;
  transition: all var(--duration) var(--ease);
}

/* Featured cards */
.eco-card--featured {
  min-height: 250px;
  padding: var(--space-2xl) var(--space-xl) var(--space-xl);
}

/* Top gradient strip in product color */
.eco-glow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  pointer-events: none;
  transition: opacity var(--duration) var(--ease);
}

.eco-memorix .eco-glow { background: linear-gradient(160deg, rgba(232,164,69,0.12) 0%, transparent 40%); }
.eco-mamom .eco-glow { background: linear-gradient(160deg, rgba(99,102,241,0.12) 0%, transparent 40%); }
.eco-vespera .eco-glow { background: linear-gradient(160deg, rgba(236,72,153,0.12) 0%, transparent 40%); }
.eco-wipesignal .eco-glow { background: linear-gradient(160deg, rgba(201,168,76,0.12) 0%, transparent 40%); }
.eco-direct .eco-glow { background: linear-gradient(160deg, rgba(14,165,233,0.12) 0%, transparent 40%); }
.eco-velom .eco-glow { background: linear-gradient(160deg, rgba(16,185,129,0.12) 0%, transparent 40%); }
.eco-vyamed .eco-glow { background: linear-gradient(160deg, rgba(244,63,94,0.12) 0%, transparent 40%); }
.eco-secondme .eco-glow { background: linear-gradient(160deg, rgba(249,115,22,0.12) 0%, transparent 40%); }

.eco-card:hover .eco-glow { opacity: 1.5; }

/* Top colored bar */
.eco-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  transition: height var(--duration) var(--ease);
}

.eco-card:hover::before { height: 4px; }

.eco-memorix::before { background: linear-gradient(90deg, var(--memorix), var(--memorix-dark)); }
.eco-mamom::before { background: linear-gradient(90deg, var(--mamom), var(--mamom-dark)); }
.eco-vespera::before { background: linear-gradient(90deg, var(--vespera), var(--vespera-dark)); }
.eco-wipesignal::before { background: linear-gradient(90deg, var(--wipesignal), var(--wipesignal-dark)); }
.eco-direct::before { background: linear-gradient(90deg, var(--direct), var(--direct-dark)); }
.eco-velom::before { background: linear-gradient(90deg, var(--velom), var(--velom-dark)); }
.eco-vyamed::before { background: linear-gradient(90deg, var(--vyamed), var(--vyamed-dark)); }
.eco-secondme::before { background: linear-gradient(90deg, var(--secondme), var(--secondme-dark)); }

/* Hover */
.eco-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.eco-memorix:hover { border-color: rgba(232,164,69,0.35); box-shadow: 0 20px 50px rgba(232,164,69,0.08); }
.eco-mamom:hover { border-color: rgba(99,102,241,0.35); box-shadow: 0 20px 50px rgba(99,102,241,0.08); }
.eco-vespera:hover { border-color: rgba(236,72,153,0.35); box-shadow: 0 20px 50px rgba(236,72,153,0.08); }
.eco-wipesignal:hover { border-color: rgba(201,168,76,0.35); box-shadow: 0 20px 50px rgba(201,168,76,0.08); }
.eco-direct:hover { border-color: rgba(14,165,233,0.35); box-shadow: 0 20px 50px rgba(14,165,233,0.08); }
.eco-velom:hover { border-color: rgba(16,185,129,0.35); box-shadow: 0 20px 50px rgba(16,185,129,0.08); }
.eco-vyamed:hover { border-color: rgba(244,63,94,0.35); box-shadow: 0 20px 50px rgba(244,63,94,0.08); }
.eco-secondme:hover { border-color: rgba(249,115,22,0.35); box-shadow: 0 20px 50px rgba(249,115,22,0.08); }

/* --- Card content --- */
.eco-vertical {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.eco-memorix .eco-vertical { color: var(--memorix); }
.eco-mamom .eco-vertical { color: var(--mamom); }
.eco-vespera .eco-vertical { color: var(--vespera); }
.eco-wipesignal .eco-vertical { color: var(--wipesignal); }
.eco-direct .eco-vertical { color: var(--direct); }
.eco-velom .eco-vertical { color: var(--velom); }
.eco-vyamed .eco-vertical { color: var(--vyamed); }
.eco-secondme .eco-vertical { color: var(--secondme); }

.eco-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
  position: relative;
}

.eco-card--featured h3 { font-size: 1.75rem; }

.eco-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.55;
  flex-grow: 1;
  position: relative;
}

.eco-card--featured p { font-size: 0.9375rem; line-height: 1.6; }

.eco-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-tertiary);
  margin-top: var(--space-md);
  position: relative;
  transition: color var(--duration-fast) var(--ease);
}

.eco-link::after {
  content: "\2192";
  font-size: 1rem;
  transition: transform var(--duration-fast) var(--ease);
}

.eco-card:hover .eco-link::after { transform: translateX(4px); }

.eco-memorix:hover .eco-link { color: var(--memorix); }
.eco-mamom:hover .eco-link { color: var(--mamom); }
.eco-vespera:hover .eco-link { color: var(--vespera); }
.eco-wipesignal:hover .eco-link { color: var(--wipesignal); }
.eco-direct:hover .eco-link { color: var(--direct); }
.eco-velom:hover .eco-link { color: var(--velom); }
.eco-vyamed:hover .eco-link { color: var(--vyamed); }
.eco-secondme:hover .eco-link { color: var(--secondme); }

.eco-card:hover .eco-link { color: var(--text-primary); }

/* --- PRODUCT SECTIONS --- */
.product-section { border-top: 1px solid var(--border); }

.product-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

@media (min-width: 1024px) {
  .product-head { grid-template-columns: 1fr 300px; gap: var(--space-2xl); }
}

.product-heading p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: var(--space-md);
}

.product-sidebar { height: fit-content; }

.sidebar-title {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  margin-bottom: var(--space-md);
}

/* --- FEATURE GRID --- */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 640px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(3, 1fr); }
}

.feature-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: border-color var(--duration) var(--ease);
}

.feature-card:hover { border-color: var(--border-hover); }

.feature-card h3 {
  font-size: 1rem;
  margin-bottom: var(--space-sm);
}

.feature-card p, .feature-card li {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Product CTA */
.product-cta {
  margin-top: var(--space-2xl);
  text-align: center;
}

/* --- FLOW CARD (MAMOM) --- */
.flow-card { margin-bottom: var(--space-xl); }
.flow-card h3 { margin-bottom: var(--space-lg); }

.flow-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 640px) {
  .flow-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .flow-grid { grid-template-columns: repeat(4, 1fr); }
}

.flow-step {
  padding: var(--space-lg);
  background: var(--surface-2);
  border-radius: var(--radius-md);
}

.flow-index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--mamom);
  margin-bottom: var(--space-sm);
}

.flow-step h4 { margin-bottom: var(--space-sm); }

.flow-step ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.flow-step li {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  line-height: 1.5;
}

/* --- DIFFERENTIALS --- */
.section-differentials { border-top: 1px solid var(--border); }

.diff-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 640px) {
  .diff-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .diff-grid { grid-template-columns: repeat(3, 1fr); }
}

.diff-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: border-color var(--duration) var(--ease);
}

.diff-card:hover { border-color: var(--border-hover); }

.diff-card h3 { font-size: 1.0625rem; margin-bottom: var(--space-sm); }
.diff-card p { font-size: 0.9375rem; color: var(--text-secondary); line-height: 1.6; }

/* --- TECHNOLOGY --- */
.section-tech { border-top: 1px solid var(--border); }

.tech-groups {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

@media (min-width: 640px) {
  .tech-groups { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .tech-groups { grid-template-columns: repeat(3, 1fr); }
}

.tech-group h3 {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  margin-bottom: var(--space-md);
}

.tech-principles {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.tech-principles h3 { margin-bottom: var(--space-md); }

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

.principles-list li {
  padding-left: var(--space-lg);
  position: relative;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.principles-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
}

/* --- ABOUT --- */
.about-section { border-top: 1px solid var(--border); }

.about-highlight {
  margin-bottom: var(--space-2xl);
  padding: var(--space-2xl);
}

.quote {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.6;
}

.quote-author {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  margin-top: var(--space-md);
  font-weight: 500;
}

.values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .values-grid { grid-template-columns: repeat(3, 1fr); }
}

.value-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.value-card h3 { font-size: 1.0625rem; margin-bottom: var(--space-sm); }
.value-card p { font-size: 0.9375rem; color: var(--text-secondary); line-height: 1.6; }

/* --- CONTACT --- */
.contact-section { border-top: 1px solid var(--border); }

.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

@media (min-width: 1024px) {
  .contact-layout { grid-template-columns: 1fr 1fr; }
}

.contact-copy h2 { margin-top: var(--space-sm); }

.contact-copy > p {
  color: var(--text-secondary);
  margin-top: var(--space-md);
  line-height: 1.7;
}

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.contact-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.contact-card h3 {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  margin-bottom: var(--space-sm);
}

.contact-card a {
  color: var(--memorix);
  font-weight: 500;
  transition: opacity var(--duration-fast) var(--ease);
}

.contact-card a:hover { opacity: 0.8; }
.contact-card p { font-size: 0.9375rem; color: var(--text-secondary); line-height: 1.5; }

.social-links {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.social-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-tertiary);
  transition: color var(--duration-fast) var(--ease);
}

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

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

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

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px var(--space-md);
  color: var(--text-primary);
  transition: border-color var(--duration-fast) var(--ease), box-shadow var(--duration-fast) var(--ease);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--memorix);
  box-shadow: 0 0 0 3px rgba(232, 164, 69, 0.1);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-status {
  font-size: 0.875rem;
  color: var(--success);
  min-height: 1.25em;
}

/* --- FOOTER --- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

@media (min-width: 640px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr; }
}

.footer-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

.footer-brand p:last-child {
  font-size: 0.875rem;
  color: var(--text-tertiary);
}

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

.footer-col h4 {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  margin-bottom: var(--space-sm);
}

.footer-col a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--duration-fast) var(--ease);
}

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

.footer-social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-sm);
}

.footer-bottom {
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border);
}

.footer-meta {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}

/* --- REVEAL ANIMATIONS --- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.eco-grid .eco-card:nth-child(2) { transition-delay: 0.06s; }
.eco-grid .eco-card:nth-child(3) { transition-delay: 0.12s; }
.eco-grid .eco-card:nth-child(4) { transition-delay: 0.16s; }
.eco-grid .eco-card:nth-child(5) { transition-delay: 0.2s; }
.eco-grid .eco-card:nth-child(6) { transition-delay: 0.26s; }
.eco-grid .eco-card:nth-child(7) { transition-delay: 0.3s; }
.eco-grid .eco-card:nth-child(8) { transition-delay: 0.34s; }

.feature-grid .feature-card:nth-child(2) { transition-delay: 0.05s; }
.feature-grid .feature-card:nth-child(3) { transition-delay: 0.1s; }
.feature-grid .feature-card:nth-child(4) { transition-delay: 0.15s; }
.feature-grid .feature-card:nth-child(5) { transition-delay: 0.2s; }
.feature-grid .feature-card:nth-child(6) { transition-delay: 0.25s; }
.feature-grid .feature-card:nth-child(7) { transition-delay: 0.3s; }
.feature-grid .feature-card:nth-child(8) { transition-delay: 0.35s; }
.feature-grid .feature-card:nth-child(9) { transition-delay: 0.4s; }

/* --- SELECTION & SCROLLBAR --- */
::selection {
  background: rgba(232, 164, 69, 0.2);
  color: var(--text-primary);
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--surface-3); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-hover); }