/* ============================================================
   SENTINEL VIGILARK — Landing Page Stylesheet
   Dark-first security platform aesthetic
   ============================================================ */

/* ── Google Fonts ────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&family=Inter:wght@300;400;500;600&display=swap');

/* ── Design Tokens ───────────────────────────────────────── */
:root {
  /* Type Scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    7rem);

  /* Spacing */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-7: 1.75rem;   /* 28px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  --space-32: 8rem;     /* 128px */

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 120ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 350ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  /* Fonts */
  --font-display: 'Space Grotesk', 'Helvetica Neue', sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* ── Dark Mode (default — security tool is always dark-first) */
:root, [data-theme="dark"] {
  --color-bg:            #0a0c10;
  --color-surface:       #0f1117;
  --color-surface-2:     #141720;
  --color-surface-3:     #1a1e2a;
  --color-surface-offset: #1e2230;
  --color-border:        #252a38;
  --color-border-subtle: #1c2030;
  --color-divider:       #1f2330;

  --color-text:          #e8eaf0;
  --color-text-muted:    #7a8099;
  --color-text-faint:    #3d4258;
  --color-text-inverse:  #0a0c10;

  /* Primary — Electric Cyan (security/tech) */
  --color-primary:       #00d4ff;
  --color-primary-hover: #00b8e0;
  --color-primary-dim:   #0a3d4d;
  --color-primary-glow:  rgba(0, 212, 255, 0.15);
  --color-primary-subtle: rgba(0, 212, 255, 0.06);

  /* Secondary — Electric Green (terminal/success) */
  --color-secondary:     #00ff88;
  --color-secondary-dim: #003d22;
  --color-secondary-glow: rgba(0, 255, 136, 0.12);

  /* Warning */
  --color-warning:       #ffb84d;
  --color-warning-dim:   #3d2a00;

  /* Error */
  --color-error:         #ff4466;
  --color-error-dim:     #3d0015;

  /* Success */
  --color-success:       #00d97e;
  --color-success-dim:   #003d22;

  /* Shadows */
  --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 12px 40px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.15);
  --shadow-glow-green: 0 0 40px rgba(0, 255, 136, 0.12);
}

/* ── Light Mode ──────────────────────────────────────────── */
[data-theme="light"] {
  --color-bg:            #f0f2f8;
  --color-surface:       #f8f9fc;
  --color-surface-2:     #ffffff;
  --color-surface-3:     #eef0f7;
  --color-surface-offset: #e8ebf4;
  --color-border:        #d0d5e8;
  --color-border-subtle: #e0e4f0;
  --color-divider:       #dde1ef;

  --color-text:          #1a1e2e;
  --color-text-muted:    #5a6080;
  --color-text-faint:    #a0a8c0;
  --color-text-inverse:  #f8f9fc;

  --color-primary:       #006e8c;
  --color-primary-hover: #005570;
  --color-primary-dim:   #d6f0f8;
  --color-primary-glow:  rgba(0, 110, 140, 0.1);
  --color-primary-subtle: rgba(0, 110, 140, 0.05);

  --color-secondary:     #007a40;
  --color-secondary-dim: #d6f0e5;
  --color-secondary-glow: rgba(0, 122, 64, 0.1);

  --color-warning:       #b06000;
  --color-warning-dim:   #fef0d6;

  --color-error:         #cc1133;
  --color-error-dim:     #fde8ec;

  --color-success:       #007040;
  --color-success-dim:   #d6f0e5;

  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.1);
  --shadow-lg:  0 12px 40px rgba(0,0,0,0.12);
  --shadow-glow: 0 0 30px rgba(0, 110, 140, 0.12);
  --shadow-glow-green: 0 0 30px rgba(0, 122, 64, 0.1);
}

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

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
}

body {
  min-height: 100dvh;
  line-height: 1.65;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Canvas particles is fixed at z-index:-1 — always behind all content */
#particles-canvas {
  position: fixed !important;
  z-index: -1 !important;
  pointer-events: none !important;
}

ul[role="list"], ol[role="list"] { list-style: none; }

input, button, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  text-wrap: balance;
  line-height: 1.1;
}

p, li, figcaption {
  text-wrap: pretty;
  max-width: 72ch;
}

::selection {
  background: var(--color-primary-glow);
  color: var(--color-text);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

button { cursor: pointer; background: none; border: none; }

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

/* ── Utilities ───────────────────────────────────────────── */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border-width: 0;
}

.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 5vw, var(--space-16));
}

.container--narrow { max-width: var(--content-default); }

/* ── Navigation ──────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background var(--transition-slow), box-shadow var(--transition-slow);
}

.nav--scrolled {
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  box-shadow: 0 1px 0 var(--color-border);
}

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

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  letter-spacing: -0.01em;
}

.nav__logo-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.nav__logo-name {
  color: var(--color-text);
}

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

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(var(--space-4), 2vw, var(--space-6));
  list-style: none;
  white-space: nowrap;
}

.nav__links a {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-interactive);
  letter-spacing: -0.01em;
}

.nav__links a:hover { color: var(--color-primary); }

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav__theme-toggle {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}

.nav__theme-toggle:hover {
  color: var(--color-primary);
  background: var(--color-primary-subtle);
}

.theme-icon { display: block; }

.theme-icon--sun { display: none; }

[data-theme="light"] .theme-icon--moon { display: none; }

[data-theme="light"] .theme-icon--sun { display: block; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.6em 1.4em;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-interactive);
  white-space: nowrap;
  cursor: pointer;
}

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

[data-theme="dark"] .btn--primary {
  color: #0a0c10;
}

[data-theme="light"] .btn--primary {
  color: #ffffff;
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

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

.btn--outline:hover {
  background: var(--color-primary-subtle);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

.btn--ghost {
  background: var(--color-surface-2);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

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

.btn--lg {
  padding: 0.8em 2em;
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

/* Mobile nav toggle */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--color-text-muted);
}

/* ── Hero Section ────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: clamp(var(--space-20), 12vh, var(--space-32));
  overflow: hidden;
}

.hero__grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 20%, transparent 80%);
  pointer-events: none;
}

[data-theme="light"] .hero__grid-bg {
  background-image:
    linear-gradient(rgba(0, 110, 140, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 110, 140, 0.06) 1px, transparent 1px);
}

.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.hero__glow--cyan {
  width: 600px; height: 400px;
  top: 10%; left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(ellipse, rgba(0, 212, 255, 0.12) 0%, transparent 70%);
}

.hero__glow--green {
  width: 400px; height: 300px;
  bottom: 20%; right: 10%;
  background: radial-gradient(ellipse, rgba(0, 255, 136, 0.08) 0%, transparent 70%);
}

[data-theme="light"] .hero__glow--cyan {
  background: radial-gradient(ellipse, rgba(0, 110, 140, 0.1) 0%, transparent 70%);
}

[data-theme="light"] .hero__glow--green {
  background: radial-gradient(ellipse, rgba(0, 122, 64, 0.08) 0%, transparent 70%);
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.4em 1em;
  background: var(--color-primary-subtle);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
  margin-bottom: var(--space-6);
  width: fit-content;
  letter-spacing: 0.05em;
}

[data-theme="light"] .hero__badge {
  border-color: rgba(0, 110, 140, 0.2);
}

.hero__badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-secondary);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero__title {
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
}

.hero__title-line {
  display: block;
  color: var(--color-text);
}

.hero__title-accent {
  display: block;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__description {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-10);
  max-width: 48ch;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero__stats {
  display: flex;
  gap: var(--space-6);
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.hero__stat-value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.hero__stat-label {
  font-size: 11px;
  color: var(--color-text-muted);
  margin-top: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  line-height: 1.3;
}

/* Hero Visual — Terminal/Dashboard mockup */
.hero__visual {
  position: relative;
}

.hero__terminal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.hero__terminal-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
}

.hero__terminal-dots {
  display: flex;
  gap: var(--space-2);
}

.hero__terminal-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}

.hero__terminal-dot:nth-child(1) { background: #ff5f57; }
.hero__terminal-dot:nth-child(2) { background: #ffbd2e; }
.hero__terminal-dot:nth-child(3) { background: #28ca41; }

.hero__terminal-title {
  flex: 1;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 11px;
  letter-spacing: 0.05em;
}

.hero__terminal-body {
  padding: var(--space-5);
  padding-bottom: calc(var(--space-5) + 56px);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  line-height: 1.5;
  overflow-x: auto;
}

.t-comment { color: var(--color-text-faint); }
.t-cmd { color: var(--color-primary); }
.t-success { color: var(--color-secondary); }
.t-warn { color: var(--color-warning); }
.t-error { color: var(--color-error); }
.t-muted { color: var(--color-text-muted); }
.t-highlight { color: var(--color-text); }

.t-line {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

.t-prompt { color: var(--color-primary); user-select: none; }

.t-cursor {
  display: inline-block;
  width: 8px; height: 14px;
  background: var(--color-primary);
  margin-left: 2px;
  animation: blink 1.2s steps(1) infinite;
  vertical-align: middle;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero__scan-badge {
  position: absolute;
  bottom: -16px;
  right: -16px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.hero__scan-icon {
  width: 32px; height: 32px;
  border-radius: var(--radius-md);
  background: var(--color-secondary-dim);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-secondary);
  font-size: 16px;
  flex-shrink: 0;
}

.hero__scan-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

.hero__scan-value {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-secondary);
  font-family: var(--font-mono);
}

/* ── Section Base ────────────────────────────────────────── */
.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

.section--alt {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section--dark-accent {
  background: var(--color-surface-2);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-3);
}

.section__title {
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.section__description {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 60ch;
  line-height: 1.7;
}

.section__header {
  margin-bottom: clamp(var(--space-12), 4vw, var(--space-20));
}

.section__header--center {
  text-align: center;
}

.section__header--center .section__description {
  margin-inline: auto;
}

/* ── Overview Pillars ────────────────────────────────────── */
.pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.pillar {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-slow), transform var(--transition-slow), box-shadow var(--transition-slow);
}

.pillar:hover {
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.pillar--monitoring::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}

.pillar--security::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-error), var(--color-warning));
}

.pillar__icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-5);
  font-size: 24px;
}

.pillar--monitoring .pillar__icon {
  background: var(--color-primary-dim);
  color: var(--color-primary);
}

.pillar--security .pillar__icon {
  background: var(--color-error-dim);
  color: var(--color-error);
}

.pillar__title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  letter-spacing: -0.02em;
}

.pillar__description {
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  font-size: var(--text-base);
  max-width: unset;
}

.pillar__modules {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.pillar__module {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

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

.pillar__module-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.pillar--monitoring .pillar__module-dot { background: var(--color-primary); }
.pillar--security .pillar__module-dot { background: var(--color-error); }

.pillar__module-name {
  font-weight: 600;
  color: var(--color-text);
  font-family: var(--font-display);
}

.pillar__module-desc {
  color: var(--color-text-faint);
  flex: 1;
  font-size: 11px;
}

/* ── Feature Grid ────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--color-primary-subtle) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.feature-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.feature-card:hover::after { opacity: 1; }

.feature-card__icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-lg);
  background: var(--color-surface-offset);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  margin-bottom: var(--space-4);
  position: relative; z-index: 1;
  border: 1px solid var(--color-border);
  transition: background var(--transition-slow), border-color var(--transition-slow);
}

.feature-card:hover .feature-card__icon {
  background: var(--color-primary-dim);
  border-color: var(--color-primary);
}

.feature-card__title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
  position: relative; z-index: 1;
}

.feature-card__description {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: unset;
  position: relative; z-index: 1;
}

/* ── Compliance Section ──────────────────────────────────── */
.compliance-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.compliance-badge {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-5);
  text-align: center;
  transition: all var(--transition-slow);
}

.compliance-badge:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-2);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm), var(--shadow-glow);
}

.compliance-badge__icon {
  font-size: 24px;
  margin-bottom: var(--space-2);
}

.compliance-badge__name {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
  letter-spacing: 0.05em;
}

.compliance-badge__desc {
  font-size: 11px;
  color: var(--color-text-muted);
}

/* ── Architecture Diagram ────────────────────────────────── */
.arch-diagram {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  overflow-x: auto;
}

.arch-diagram pre {
  color: var(--color-text-muted);
  line-height: 1.7;
  white-space: pre;
}

.arch-diagram .arch-highlight { color: var(--color-primary); }
.arch-diagram .arch-green { color: var(--color-secondary); }
.arch-diagram .arch-warn { color: var(--color-warning); }

/* ── Tools Table ─────────────────────────────────────────── */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.tool-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.tool-item:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-2);
}

.tool-item__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-secondary);
  flex-shrink: 0;
}

.tool-item__name {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text);
}

.tool-item__category {
  font-size: 11px;
  color: var(--color-text-faint);
  margin-left: auto;
}

/* ── Stats Banner ────────────────────────────────────────── */
.stats-banner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.stat-cell {
  background: var(--color-surface);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  transition: background var(--transition-fast);
}

.stat-cell:hover { background: var(--color-surface-2); }

.stat-cell__value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-cell__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ── Tech Stack ──────────────────────────────────────────── */
.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.tech-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.4em 0.9em;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.tech-tag:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-subtle);
}

/* ── Deploy Section ──────────────────────────────────────── */
.deploy-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.deploy-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-7);
  transition: all var(--transition-slow);
}

.deploy-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.deploy-card--featured {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-primary-subtle) 100%);
  position: relative;
}

.deploy-card--featured::before {
  content: 'Recomendado';
  position: absolute;
  top: -1px; right: var(--space-5);
  transform: translateY(-50%);
  background: var(--color-primary);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.25em 0.75em;
  border-radius: var(--radius-full);
}

.deploy-card__icon {
  font-size: 28px;
  margin-bottom: var(--space-4);
}

.deploy-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.deploy-card__description {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  max-width: unset;
}

.deploy-card__items {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.deploy-card__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.deploy-card__item::before {
  content: '✓';
  color: var(--color-secondary);
  font-weight: 700;
  flex-shrink: 0;
}

/* Deploy cards — 2 colunas */
.deploy-cards--two {
  grid-template-columns: repeat(2, 1fr);
  max-width: 900px;
  margin-inline: auto;
}

/* Mini terminal dentro do card */
.deploy-card__terminal {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  margin-top: var(--space-5);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.deploy-card__terminal-line {
  line-height: 1.8;
}

.deploy-card__terminal-line--gap {
  margin-top: var(--space-2);
}

/* Ports */
.deploy-card__ports {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.deploy-card__port {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 5px;
}

.deploy-card__port code {
  font-family: var(--font-mono);
  color: var(--color-primary);
  background: var(--color-primary-subtle);
  padding: 0.15em 0.45em;
  border-radius: 4px;
  font-size: 11px;
}

.deploy-card--featured .deploy-card__terminal {
  border-color: color-mix(in srgb, var(--color-primary) 25%, transparent);
}

[data-theme="light"] .hero__terminal {
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

[data-theme="light"] .deploy-card--featured::before {
  color: #ffffff;
}

/* Badge */
.deploy-card__badge {
  display: inline-block;
  font-size: 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 0.2em 0.65em;
  margin-bottom: var(--space-3);
}

@media (max-width: 700px) {
  .deploy-cards--two {
    grid-template-columns: 1fr;
  }
}

/* ── Quick Start ─────────────────────────────────────────── */
.quickstart {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8) var(--space-10);
  overflow: hidden;
}

.quickstart-ports {
  margin-top: var(--space-6);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  max-width: 420px;
  margin-inline: auto;
}

.quickstart-port {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
  text-align: center;
}

.quickstart-port__value {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.quickstart-port__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.code-block {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.code-block__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-5);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.code-block__lang {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

.code-block__copy {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-faint);
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.code-block__copy:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.code-block__body {
  padding: var(--space-5) var(--space-6);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.8;
  overflow-x: auto;
}

.code-block__body pre {
  margin: 0;
  padding: 0;
}

.code-block__body .c-comment { color: var(--color-text-faint); font-style: italic; }
.code-block__body .c-cmd { color: var(--color-primary); }
.code-block__body .c-string { color: var(--color-secondary); }
.code-block__body .c-flag { color: var(--color-warning); }

/* ── Developer Section ───────────────────────────────────── */
.developer-section {
  padding-block: clamp(var(--space-20), 10vw, var(--space-32));
}

.developer-card {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: var(--space-16);
  align-items: start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-12);
  position: relative;
  overflow: hidden;
}

.developer-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}

.developer-card::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(ellipse, var(--color-primary-subtle) 0%, transparent 70%);
  pointer-events: none;
}

.developer-photo-wrapper {
  position: relative;
  flex-shrink: 0;
}

.developer-photo {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: var(--radius-xl);
  border: 2px solid var(--color-border);
  display: block;
}

.developer-photo-badge {
  position: absolute;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-primary);
  white-space: nowrap;
  box-shadow: var(--shadow-md);
}

.developer-info { position: relative; z-index: 1; }

.developer-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.developer-label::before {
  content: '';
  width: 20px; height: 1px;
  background: var(--color-primary);
}

.developer-name {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: var(--space-2);
}

.developer-title {
  font-size: var(--text-lg);
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: var(--space-5);
}

.developer-bio {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-8);
  max-width: 58ch;
}

.developer-skills {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.skill-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}

.skill-item:hover { border-color: var(--color-primary); }

.skill-item__icon {
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-dim);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.skill-item__name {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text);
  font-family: var(--font-display);
}

.skill-item__desc {
  font-size: 11px;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.developer-links {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.developer-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.5em 1.2em;
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  transition: all var(--transition-interactive);
}

.developer-link:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-subtle);
}

.developer-link svg { width: 16px; height: 16px; }

/* ── CTA Section ─────────────────────────────────────────── */
.cta-section {
  position: relative;
  padding-block: clamp(var(--space-20), 10vw, var(--space-32));
  overflow: hidden;
  text-align: center;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 50%, var(--color-primary-subtle) 0%, transparent 70%);
  pointer-events: none;
}

.cta-section__title {
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  position: relative;
}

.cta-section__description {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-10);
  max-width: 48ch;
  margin-inline: auto;
  position: relative;
}

.cta-section__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  position: relative;
}

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-12) var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  margin-bottom: var(--space-4);
}

.footer__brand-icon { width: 28px; height: 28px; }

.footer__brand-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: 36ch;
  margin-bottom: var(--space-5);
}

.footer__col-title {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

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

.footer__links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer__links a:hover { color: var(--color-primary); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer__license-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.3em 0.8em;
  background: var(--color-error-dim);
  border: 1px solid rgba(255, 68, 102, 0.2);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-error);
}

/* ── Scroll Animations ───────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: none;
}

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }

/* ── Mobile Responsive ───────────────────────────────────── */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }

  .hero__visual { order: -1; }

  .hero__terminal { max-width: 560px; margin: 0 auto; }

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

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

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

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

  .developer-card {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .developer-photo-wrapper {
    max-width: 280px;
    margin: 0 auto;
  }

  .deploy-cards { grid-template-columns: 1fr; }

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

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

@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }

  .nav__links.nav__links--open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-5);
    gap: var(--space-4);
    z-index: 99;
    align-items: flex-start;
  }

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

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

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

  .developer-skills { grid-template-columns: 1fr; }

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

  .hero__stats { gap: var(--space-5); }

  .footer__grid { grid-template-columns: 1fr; gap: var(--space-8); }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-3);
    text-align: center;
  }
}

/* ── Screenshots / Preview ──────────────────────────────────── */
.screenshots-tabs {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.screenshots-nav {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
  flex-wrap: wrap;
}

.screenshot-tab {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-body);
}

.screenshot-tab:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.screenshot-tab--active {
  background: var(--color-primary-subtle);
  border-color: var(--color-primary);
  color: var(--color-primary);
  font-weight: 600;
}

.tab-icon { font-size: 14px; }

.screenshots-display {
  position: relative;
}

.screenshot-pane {
  display: none;
}

.screenshot-pane--active {
  display: block;
}

.screenshot-frame {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--color-primary-subtle);
}

.screenshot-frame__bar {
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.frame-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.frame-url {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-muted);
  margin-left: var(--space-3);
}

.screenshot-frame img {
  width: 100%;
  height: auto;
  display: block;
}

.screenshot-caption {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  max-width: 560px;
  margin-inline: auto;
}