/* =========================================================
   LABELROBOTICS.IO
   Design: Apple-inspired — SF Pro system fonts, white/near-white
   backgrounds, ultra-clean typography, generous whitespace,
   minimal borders, subtle shadows.
   ========================================================= */

/* ── FONTS ─────────────────────────────────────────────────
   Inter as the SF Pro stand-in (closest freely available match)
   JetBrains Mono for code/schema values
   ─────────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── TYPE SCALE ─────────────────────────────────────────── */
:root {
  --text-xs:   0.75rem;       /* 12px */
  --text-sm:   0.8125rem;     /* 13px  — Apple's standard UI text */
  --text-base: 0.9375rem;     /* 15px  — Apple body */
  --text-md:   1.0625rem;     /* 17px  — Apple body large */
  --text-lg:   1.1875rem;     /* 19px */
  --text-xl:   1.5rem;        /* 24px */
  --text-2xl:  2rem;          /* 32px */
  --text-3xl:  2.75rem;       /* 44px — Apple headline */
  --text-hero: clamp(2.75rem, 5vw + 1rem, 5rem); /* 80px at wide */
}

/* ── SPACING ─────────────────────────────────────────────── */
:root {
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
}

/* ── COLORS — LIGHT MODE (Apple default) ─────────────────── */
:root, [data-theme="light"] {
  --color-bg:             #ffffff;
  --color-bg-2:           #fbfbfd;   /* Apple section alt — very slightly off-white */
  --color-surface:        #f5f5f7;   /* Apple grey */
  --color-surface-2:      #ffffff;
  --color-surface-offset: #e8e8ed;
  --color-divider:        #d2d2d7;   /* Apple divider */
  --color-border:         #d2d2d7;

  --color-text:           #1d1d1f;   /* Apple headline black */
  --color-text-secondary: #424245;   /* Apple secondary label */
  --color-text-muted:     #6e6e73;   /* Apple tertiary label */
  --color-text-faint:     #aeaeb2;   /* Apple quaternary */
  --color-text-inverse:   #ffffff;

  --color-primary:        #0066cc;   /* Apple blue */
  --color-primary-hover:  #0077ed;
  --color-primary-active: #004499;
  --color-primary-subtle: #e8f0fb;

  --color-accent:         #06c;
  --color-accent-dim:     rgba(0, 102, 204, 0.08);

  --color-success:        #1d8348;
  --color-warning:        #d97706;
  --color-error:          #c0392b;

  --radius-sm:   0.375rem;
  --radius-md:   0.5rem;
  --radius-lg:   0.75rem;
  --radius-xl:   1rem;
  --radius-2xl:  1.25rem;
  --radius-3xl:  1.75rem;
  --radius-full: 9999px;

  --transition-fast: 150ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-base: 250ms cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --shadow-sm:  0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg:  0 16px 48px rgba(0,0,0,0.10);
  --shadow-xl:  0 32px 80px rgba(0,0,0,0.12);

  --content-narrow:  560px;
  --content-default: 860px;
  --content-wide:    1080px;

  --font-display: 'Inter', -apple-system, 'SF Pro Display', 'Helvetica Neue', Arial, sans-serif;
  --font-body:    'Inter', -apple-system, 'SF Pro Text',    'Helvetica Neue', Arial, sans-serif;
  --font-mono:    'JetBrains Mono', 'SF Mono', 'Menlo', monospace;
}

/* ── COLORS — DARK MODE ──────────────────────────────────── */
[data-theme="dark"] {
  --color-bg:             #000000;
  --color-bg-2:           #1c1c1e;
  --color-surface:        #1c1c1e;   /* Apple dark surface */
  --color-surface-2:      #2c2c2e;
  --color-surface-offset: #3a3a3c;
  --color-divider:        #3a3a3c;
  --color-border:         #3a3a3c;

  --color-text:           #f5f5f7;
  --color-text-secondary: #ebebf0;
  --color-text-muted:     #aeaeb2;
  --color-text-faint:     #6e6e73;
  --color-text-inverse:   #1d1d1f;

  --color-primary:        #2997ff;   /* Apple blue dark mode */
  --color-primary-hover:  #409fff;
  --color-primary-active: #0071e3;
  --color-primary-subtle: rgba(41, 151, 255, 0.12);

  --color-accent:         #2997ff;
  --color-accent-dim:     rgba(41, 151, 255, 0.12);

  --color-success:        #30d158;
  --color-warning:        #ffd60a;
  --color-error:          #ff453a;

  --shadow-sm:  0 1px 3px rgba(0,0,0,0.4);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg:  0 16px 48px rgba(0,0,0,0.6);
  --shadow-xl:  0 32px 80px rgba(0,0,0,0.7);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:             #000000;
    --color-bg-2:           #1c1c1e;
    --color-surface:        #1c1c1e;
    --color-surface-2:      #2c2c2e;
    --color-surface-offset: #3a3a3c;
    --color-divider:        #3a3a3c;
    --color-border:         #3a3a3c;
    --color-text:           #f5f5f7;
    --color-text-secondary: #ebebf0;
    --color-text-muted:     #aeaeb2;
    --color-text-faint:     #6e6e73;
    --color-text-inverse:   #1d1d1f;
    --color-primary:        #2997ff;
    --color-primary-hover:  #409fff;
    --color-primary-active: #0071e3;
    --color-primary-subtle: rgba(41, 151, 255, 0.12);
    --color-accent:         #2997ff;
    --color-accent-dim:     rgba(41, 151, 255, 0.12);
    --color-success:        #30d158;
    --shadow-sm:  0 1px 3px rgba(0,0,0,0.4);
    --shadow-md:  0 4px 16px rgba(0,0,0,0.5);
    --shadow-lg:  0 16px 48px rgba(0,0,0,0.6);
    --shadow-xl:  0 32px 80px rgba(0,0,0,0.7);
  }
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
button { font-family: inherit; }
a { color: inherit; }

/* =========================================================
   LAYOUT
   ========================================================= */
.container {
  width: min(var(--content-wide), 100% - 3rem);
  margin-inline: auto;
}
.container--narrow {
  width: min(var(--content-default), 100% - 3rem);
  margin-inline: auto;
}

/* =========================================================
   NAVIGATION — Apple-style
   Ultra-thin, translucent, centered links, no border initially
   ========================================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 48px;                               /* Apple nav is exactly 48px */
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 0.5px solid rgba(0, 0, 0, 0.15);
  transition: background var(--transition-base);
}

[data-theme="dark"] .nav {
  background: rgba(0, 0, 0, 0.85);
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

.nav .container { width: 100%; padding-inline: 1.5rem; }

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: var(--space-6);
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--color-text);
  flex-shrink: 0;
}

.nav__logo svg { flex-shrink: 0; }

.nav__logo-wordmark {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.022em;
  color: var(--color-text);
  white-space: nowrap;
}

.nav__logo-dot { color: var(--color-primary); }

/* Nav links */
.nav__links {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.nav__item { position: relative; }

.nav__dropbtn,
.nav__link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text);
  cursor: pointer;
  padding: 0 12px;
  height: 48px;
  text-decoration: none;
  letter-spacing: -0.01em;
  transition: color var(--transition-fast);
  opacity: 0.85;
  white-space: nowrap;
}

.nav__dropbtn:hover,
.nav__link:hover,
.nav__item--open .nav__dropbtn { opacity: 1; }

.nav__dropbtn svg {
  opacity: 0.6;
  transition: transform var(--transition-fast);
}
.nav__item--open .nav__dropbtn svg { transform: rotate(180deg); }

/* Actions */
.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* Dropdown */
.nav__dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  min-width: 260px;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 0.5px solid rgba(0,0,0,0.12);
  border-radius: var(--radius-xl);
  box-shadow: 0 8px 32px rgba(0,0,0,0.12), 0 2px 8px rgba(0,0,0,0.06);
  padding: 8px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  z-index: 200;
}

[data-theme="dark"] .nav__dropdown {
  background: rgba(30,30,32,0.96);
  border-color: rgba(255,255,255,0.1);
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}

.nav__item--open .nav__dropdown {
  opacity: 1;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}

.nav__dropdown-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: background var(--transition-fast);
}
.nav__dropdown-item:hover { background: var(--color-surface); }

.nav__dropdown-icon {
  font-size: 16px;
  flex-shrink: 0;
  margin-top: 1px;
}

.nav__dropdown-item strong {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: -0.01em;
}
.nav__dropdown-item small {
  font-size: 11px;
  color: var(--color-text-muted);
  line-height: 1.4;
  margin-top: 1px;
  display: block;
}

/* Theme toggle */
.theme-toggle {
  width: 32px; height: 32px;
  border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  background: var(--color-surface);
  color: var(--color-text-muted);
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.theme-toggle:hover { background: var(--color-surface-offset); color: var(--color-text); }

/* Mobile toggle */
.nav__mobile-toggle {
  display: none;
  width: 36px; height: 36px;
  align-items: center; justify-content: center;
  background: none;
  border-radius: var(--radius-md);
  border: none;
  color: var(--color-text);
  cursor: pointer;
}

/* =========================================================
   BUTTONS — Apple-style
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border: none;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: -0.01em;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition-fast), color var(--transition-fast), opacity var(--transition-fast);
  padding: 6px 16px;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
}
.btn--primary:hover { background: var(--color-primary-hover); }

.btn--ghost {
  background: var(--color-surface);
  color: var(--color-text);
}
.btn--ghost:hover { background: var(--color-surface-offset); }

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn--outline:hover { background: var(--color-primary-subtle); }

/* Large CTAs — Apple pill buttons */
.btn--large {
  font-size: var(--text-base);
  font-weight: 400;
  padding: 12px 28px;
  border-radius: var(--radius-full);
}

.btn--hero-primary {
  background: var(--color-primary);
  color: #fff;
  font-size: var(--text-base);
  font-weight: 400;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  letter-spacing: -0.01em;
}
.btn--hero-primary:hover { background: var(--color-primary-hover); }

.btn--hero-link {
  background: transparent;
  color: var(--color-primary);
  font-size: var(--text-base);
  font-weight: 400;
  padding: 12px 8px;
  gap: 4px;
  text-decoration: none;
}
.btn--hero-link::after {
  content: ' ›';
  font-size: 1.1em;
}
.btn--hero-link:hover { opacity: 0.8; }

/* =========================================================
   HERO — Apple large-center-type style
   ========================================================= */
.hero {
  padding-top: calc(48px + 80px);   /* nav height + breathing room */
  padding-bottom: 80px;
  background: var(--color-bg-2);
  position: relative;
  overflow: hidden;
  text-align: center;
}

/* Very subtle radial glow — almost invisible, just like Apple */
.hero__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 55% at 50% -10%,
    color-mix(in srgb, var(--color-primary) 6%, transparent) 0%,
    transparent 65%);
  pointer-events: none;
}

/* Subtle grid lines Apple sometimes uses — tone it way down */
.hero__grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-divider) 0.5px, transparent 0.5px),
    linear-gradient(90deg, var(--color-divider) 0.5px, transparent 0.5px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black, transparent 80%);
  opacity: 0.15;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin-inline: auto;
}

/* Apple eyebrow — small, blue, no caps */
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-primary);
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}

.hero__badge::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--color-primary);
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.75); }
}

/* Apple hero title — huge, thin-to-medium weight, very tight leading */
.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.04;
  color: var(--color-text);
  margin-bottom: 24px;
}

.hero__title em {
  font-style: normal;
  color: var(--color-primary);
}

/* Apple subtitle — 19–21px, light weight, muted */
.hero__subtitle {
  font-size: var(--text-lg);
  font-weight: 300;
  color: var(--color-text-secondary);
  line-height: 1.55;
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: 32px;
  letter-spacing: -0.01em;
}

/* Pills — lighter treatment */
.hero__pills {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: 24px;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 400;
}
.hero__pill { }
.hero__pill-sep { color: var(--color-divider); }

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

/* Hero image — Apple product-shot style: large, no heavy border */
.hero__image-wrap {
  position: relative;
  border-radius: var(--radius-3xl);
  overflow: hidden;
  box-shadow: 0 32px 100px rgba(0,0,0,0.14);
  border: 0.5px solid rgba(0,0,0,0.08);
}

[data-theme="dark"] .hero__image-wrap {
  border-color: rgba(255,255,255,0.06);
  box-shadow: 0 32px 100px rgba(0,0,0,0.6);
}

.hero__image-wrap img {
  width: 100%;
  height: auto;
  display: block;
}

.hero__image-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 35%;
  background: linear-gradient(transparent, var(--color-bg-2));
  pointer-events: none;
}

/* =========================================================
   SECTION SHARED
   ========================================================= */
.section {
  padding-block: clamp(60px, 8vw, 120px);
  background: var(--color-bg);
}

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

.section__header {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: 56px;
}

/* Apple eyebrow — small blue, no caps, sits above h2 */
.section__eyebrow {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary);
  letter-spacing: -0.005em;
  margin-bottom: 10px;
}

/* Apple section title — 40–56px, very tight leading */
.section__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw + 0.5rem, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.06;
  color: var(--color-text);
  margin-bottom: 16px;
}

/* Apple body copy under section title */
.section__desc {
  font-size: var(--text-md);
  font-weight: 300;
  color: var(--color-text-secondary);
  line-height: 1.6;
  letter-spacing: -0.01em;
  max-width: 520px;
  margin-inline: auto;
}

/* =========================================================
   HIDDEN ATTRIBUTE SUPPORT
   ========================================================= */
[hidden] { display: none !important; }

/* =========================================================
   SOLUTIONS TABS
   ========================================================= */
.solutions-tabs {}

.solutions-tab-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: var(--color-surface);
  border-radius: var(--radius-full);
  padding: 4px;
  width: fit-content;
  margin-inline: auto;
  margin-bottom: 40px;
  border: 0.5px solid var(--color-border);
}

.solutions-tab {
  padding: 8px 20px;
  border-radius: var(--radius-full);
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.solutions-tab--active {
  background: var(--color-bg);
  color: var(--color-text);
  font-weight: 500;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

.solutions-tab-panels {}

.solutions-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.solutions-panel__text {}

.solutions-panel__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--color-text);
  margin-bottom: 16px;
}

.solutions-panel__desc {
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-text-secondary);
  line-height: 1.65;
  letter-spacing: -0.005em;
  margin-bottom: 20px;
}

.solutions-panel__link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.solutions-panel__link:hover { opacity: 0.75; }
.solutions-panel__link::after { content: ' ›'; font-size: 1.1em; }

/* Data card — clean terminal-card style */
.data-card {
  background: var(--color-surface);
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  font-family: var(--font-mono);
  box-shadow: var(--shadow-md);
}

.data-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: var(--color-surface-offset);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  border-bottom: 0.5px solid var(--color-border);
}

.data-card__badge {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: color-mix(in srgb, var(--color-success) 12%, transparent);
  color: var(--color-success);
  border: 0.5px solid color-mix(in srgb, var(--color-success) 30%, transparent);
  letter-spacing: 0.06em;
}

.data-card__rows {
  padding: 8px 0;
}

.data-card__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 20px;
  font-size: 12px;
  border-bottom: 0.5px solid var(--color-divider);
  gap: 16px;
}

.data-card__row:last-child { border-bottom: none; }

.data-card__key {
  color: var(--color-text-muted);
  font-weight: 400;
}

.data-card__val {
  color: var(--color-text);
  font-weight: 500;
  text-align: right;
}

.data-card__val--bool { color: var(--color-primary); }
.data-card__val--success { color: var(--color-success); }

.data-card__footer {
  padding: 12px 20px;
  font-size: 11px;
  color: var(--color-text-faint);
  background: var(--color-surface-offset);
  border-top: 0.5px solid var(--color-border);
  letter-spacing: 0.02em;
}

/* =========================================================
   DATA ENGINE
   ========================================================= */
.engine-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.engine-image {
  border-radius: var(--radius-3xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 0.5px solid var(--color-border);
}

.engine-image img { width: 100%; height: auto; display: block; }

.engine-content .section__eyebrow { text-align: left; }
.engine-content .section__title   { text-align: left; }
.engine-content .section__desc    { text-align: left; margin-inline: 0; max-width: 100%; }

.engine-steps {
  list-style: none;
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.engine-step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 18px;
  background: var(--color-bg);
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.engine-step:hover {
  border-color: color-mix(in srgb, var(--color-primary) 40%, transparent);
  box-shadow: 0 2px 12px color-mix(in srgb, var(--color-primary) 6%, transparent);
}

.engine-step__num {
  flex-shrink: 0;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--color-primary-subtle);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--color-primary);
}

.engine-step__title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.01em;
  margin-bottom: 3px;
}
.engine-step__desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* =========================================================
   DATASET SCHEMA
   ========================================================= */
.schema-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

/* Table */
.schema-table-wrap {
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  background: var(--color-bg);
  box-shadow: var(--shadow-sm);
}

.schema-table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: var(--color-surface);
  border-bottom: 0.5px solid var(--color-border);
}

.schema-table-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--color-primary);
  letter-spacing: 0.04em;
}

.schema-table-badge {
  font-size: 11px;
  padding: 2px 9px;
  border-radius: var(--radius-full);
  background: var(--color-primary-subtle);
  color: var(--color-primary);
  font-weight: 500;
  font-family: var(--font-body);
}

.schema-table {
  width: 100%;
  border-collapse: collapse;
}

.schema-table thead tr { background: var(--color-surface); }

.schema-table th {
  padding: 10px 18px;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-muted);
  text-align: left;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 0.5px solid var(--color-border);
}

.schema-table td {
  padding: 9px 18px;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--color-text);
  border-bottom: 0.5px solid var(--color-divider);
  vertical-align: middle;
}

.schema-table tbody tr:last-child td { border-bottom: none; }
.schema-table tbody tr:hover td { background: var(--color-surface); }

.schema-col-name  { color: var(--color-primary); font-weight: 500; }
.schema-col-type  { color: var(--color-warning); font-weight: 400; }
.schema-col-desc  { color: var(--color-text-muted); font-family: var(--font-body); letter-spacing: 0; font-size: 11px; }

/* Schema content side */
.schema-content__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--color-text);
  margin-bottom: 14px;
}

.schema-content__desc {
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-text-secondary);
  line-height: 1.65;
  letter-spacing: -0.005em;
  margin-bottom: 28px;
}

.schema-usecases {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.schema-usecase {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  background: var(--color-surface);
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: border-color var(--transition-fast);
}
.schema-usecase:hover {
  border-color: color-mix(in srgb, var(--color-primary) 35%, transparent);
}

.schema-usecase__icon {
  font-size: 20px;
  flex-shrink: 0;
  margin-top: 1px;
}

.schema-usecase strong {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.01em;
  margin-bottom: 2px;
}

.schema-usecase p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.schema-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.schema-tag {
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 400;
  font-family: var(--font-mono);
  background: var(--color-surface);
  color: var(--color-text-muted);
  border: 0.5px solid var(--color-border);
}

.schema-tag--active {
  background: var(--color-primary-subtle);
  color: var(--color-primary);
  border-color: color-mix(in srgb, var(--color-primary) 25%, transparent);
}

/* =========================================================
   FOOTER — Apple-style minimal
   ========================================================= */
.footer {
  padding-block: 48px;
  border-top: 0.5px solid var(--color-divider);
  background: var(--color-surface);
}

.footer__grid {
  margin-bottom: 32px;
}

.footer__brand {}

.footer__brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.022em;
  color: var(--color-text);
  margin-bottom: 10px;
}

.footer__tagline {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 340px;
  font-weight: 400;
}

.footer__col-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer__links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
  font-weight: 400;
}
.footer__links a:hover { color: var(--color-text); }

.footer__bottom {
  padding-top: 24px;
  border-top: 0.5px solid var(--color-divider);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer__copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-weight: 400;
}

.footer__pplx a {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.footer__pplx a:hover { color: var(--color-text-muted); }

/* =========================================================
   COMPLIANCE CARD (keep from old styles, unused but safe)
   ========================================================= */
.compliance-card {
  background: var(--color-surface);
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: 28px;
  text-align: center;
}
.compliance-card__label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}
.compliance-card__badges {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
.compliance-badge {
  padding: 12px 6px;
  background: var(--color-bg);
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text);
  text-align: center;
  line-height: 1.4;
}
.compliance-badge small { font-size: 10px; color: var(--color-text-muted); font-family: var(--font-body); }
.compliance-card__note { font-size: var(--text-xs); color: var(--color-text-muted); line-height: 1.5; }

/* Partner logos card */
.partner-logos-card {
  background: var(--color-surface);
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: 28px;
}
.partner-logos-card__label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
  text-align: center;
}
.partner-logos-card__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 18px;
}
.partner-chip {
  padding: 5px 12px;
  background: var(--color-bg);
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-secondary);
}
.partner-logos-card__stat {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: center;
  line-height: 1.5;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 860px) {
  .nav__links { display: none; }
  .nav__mobile-toggle { display: flex; }

  .solutions-panel {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .engine-layout,
  .schema-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .engine-image { order: -1; }
  .schema-content { order: -1; }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 480px) {
  .hero__title { letter-spacing: -0.03em; }

  .hero__actions {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }

  .solutions-tab-list {
    flex-wrap: wrap;
    border-radius: var(--radius-xl);
    width: 100%;
    justify-content: center;
  }
}

/* =========================================================
   SCROLL REVEAL — subtle Apple-style fade/rise
   ========================================================= */
@media (prefers-reduced-motion: no-preference) {
  .engine-step,
  .schema-usecase {
    will-change: opacity, transform;
  }
}