/* ==========================================================================
   IAMNET Core Design System
   Standard Reference: IAM Field Guide v2 & IAMNET_Website_Changes.md
   ========================================================================== */

:root {
  /* Brand Tokens from IAM Field Guide v2 */
  --paper: #F5F7FB;
  --surface: #FFFFFF;
  --sunken: #EEF1F7;
  --hairline: #DDE3EE;
  --hairline-strong: #C4CEDF;

  --ink: #0D1526;
  --ink-soft: #46536B;
  --ink-faint: #6B7890;

  --trust: #3A5FEE;
  --trust-press: #2C4FE0;
  --deep: #1D3FC4;
  --logo-blue: #004AAD;

  --confirmed: #17A566;
  --heads-up: #F97316;
  --curious: #6D5CE8;
  --delight: #DB2777;
  --alert: #DC2626;

  --night: #0D1526;
  --night-surface: #141D33;
  --night-hairline: #2A3555;

  /* Typography Stacks */
  --font-display: "Garet", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Layout & Rhythm */
  --maxw: 1200px;
  --readw: 68ch;
  --gutter: clamp(16px, 4vw, 40px);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Elevations */
  --shadow-1: 0 1px 2px rgba(13, 21, 38, .04), 0 10px 30px -12px rgba(13, 21, 38, .12);
  --shadow-2: 0 2px 6px rgba(13, 21, 38, .06), 0 24px 60px -20px rgba(13, 21, 38, .20);
}

/* Auto Dark Mode (System Preference) */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0A0F1C;
    --surface: #111A2E;
    --sunken: #0E1526;
    --hairline: #233048;
    --hairline-strong: #33425F;
    --ink: #EEF2FA;
    --ink-soft: #AEBAD0;
    --ink-faint: #7C8AA6;
    --trust: #6E8BFF;
    --trust-press: #8AA0FF;
    --deep: #9DB2FF;
    --logo-blue: #7FA8FF;
    --confirmed: #3FCB8A;
    --heads-up: #FF9A4D;
    --curious: #9A8BFF;
    --delight: #FF5CA8;
    --night: #060A14;
    --night-surface: #0E1526;
    --night-hairline: #26324B;
    --shadow-1: 0 1px 2px rgba(0, 0, 0, .3), 0 12px 34px -14px rgba(0, 0, 0, .6);
    --shadow-2: 0 2px 8px rgba(0, 0, 0, .35), 0 28px 70px -22px rgba(0, 0, 0, .7);
  }
}

/* Manual Dark Mode Override */
:root[data-theme="dark"] {
  --paper: #0A0F1C;
  --surface: #111A2E;
  --sunken: #0E1526;
  --hairline: #233048;
  --hairline-strong: #33425F;
  --ink: #EEF2FA;
  --ink-soft: #AEBAD0;
  --ink-faint: #7C8AA6;
  --trust: #6E8BFF;
  --trust-press: #8AA0FF;
  --deep: #9DB2FF;
  --logo-blue: #7FA8FF;
  --confirmed: #3FCB8A;
  --heads-up: #FF9A4D;
  --curious: #9A8BFF;
  --delight: #FF5CA8;
  --night: #060A14;
  --night-surface: #0E1526;
  --night-hairline: #26324B;
  --shadow-1: 0 1px 2px rgba(0, 0, 0, .3), 0 12px 34px -14px rgba(0, 0, 0, .6);
  --shadow-2: 0 2px 8px rgba(0, 0, 0, .35), 0 28px 70px -22px rgba(0, 0, 0, .7);
}

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

html {
  font-family: var(--font-body);
  color: var(--ink);
  background-color: var(--paper);
  font-size: 16px;
  line-height: 1.6;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

body.no-scroll {
  overflow: hidden;
}

/* Headings */
h1, h2, h3, h4, .font-display {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.65rem);
}

h4 {
  font-size: 1.1rem;
}

p {
  color: var(--ink-soft);
  font-size: 1.05rem;
  line-height: 1.65;
}

.m, .mono, pre, code, .spec-code {
  font-family: var(--font-mono);
}

a {
  color: var(--trust);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--deep);
}

/* Containers */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section {
  padding: clamp(64px, 7vw, 104px) 0;
  position: relative;
}

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

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

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

.section-night {
  background-color: var(--night);
  color: #FFFFFF;
}

.section-night h1,
.section-night h2,
.section-night h3,
.section-night h4 {
  color: #FFFFFF;
}

.section-night p {
  color: #BAC7DE;
}

/* Kicker from Brand Guideline */
.kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--trust);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.kicker-night {
  color: #79B8FF;
}

.dtag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--hairline-strong);
  color: var(--ink-faint);
  background: var(--surface);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background-color: color-mix(in srgb, var(--trust) 12%, var(--surface));
  color: var(--trust);
  border: 1px solid color-mix(in srgb, var(--trust) 26%, transparent);
}

.badge-live {
  background-color: color-mix(in srgb, var(--confirmed) 12%, var(--surface));
  color: var(--confirmed);
  border-color: color-mix(in srgb, var(--confirmed) 26%, transparent);
}

.badge-curious {
  background-color: color-mix(in srgb, var(--curious) 12%, var(--surface));
  color: var(--curious);
  border-color: color-mix(in srgb, var(--curious) 26%, transparent);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--confirmed);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 13px 26px;
  min-height: 44px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
  line-height: 1.2;
  touch-action: manipulation;
}

.btn-primary {
  background-color: var(--trust);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--trust-press);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(58, 95, 238, 0.28);
}

.btn-secondary {
  background-color: var(--surface);
  color: var(--ink);
  border-color: var(--hairline-strong);
}

.btn-secondary:hover {
  background-color: var(--sunken);
  color: var(--deep);
  border-color: var(--trust);
  transform: translateY(-1px);
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hairline);
  transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

.site-header.header-scrolled {
  background-color: var(--surface);
  box-shadow: var(--shadow-1);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 16px;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-lockup img,
.brand-lockup svg {
  height: 40px;
  width: auto;
  display: block;
  transition: transform 0.15s ease;
}

.brand-subtext {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-faint);
  font-weight: 500;
  letter-spacing: 0.05em;
  border-left: 1px solid var(--hairline);
  padding-left: 10px;
  line-height: 1.2;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  list-style: none;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink-soft);
  transition: color 0.15s ease;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--trust);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.themebtn {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid var(--hairline-strong);
  background: var(--surface);
  color: var(--ink-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease, transform 0.15s ease;
  touch-action: manipulation;
}

.themebtn:hover {
  color: var(--trust);
  border-color: var(--trust);
  transform: scale(1.05);
}

.themebtn:active {
  transform: scale(0.95);
}

.themebtn svg {
  width: 18px;
  height: 18px;
  display: block;
}

.themebtn .moon {
  display: none;
}

:root[data-theme="dark"] .themebtn .sun {
  display: none;
}

:root[data-theme="dark"] .themebtn .moon {
  display: block;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .themebtn .sun {
    display: none;
  }
  :root:not([data-theme="light"]) .themebtn .moon {
    display: block;
  }
}

.mobile-menu-btn {
  display: none;
  background: var(--surface);
  border: 1px solid var(--hairline-strong);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  color: var(--ink);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
  touch-action: manipulation;
}

.mobile-menu-btn:hover {
  border-color: var(--trust);
  color: var(--trust);
}

/* Mobile Nav Drawer */
.mobile-nav-drawer {
  display: none;
  position: fixed;
  top: 76px;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--surface);
  padding: 24px var(--gutter);
  flex-direction: column;
  gap: 20px;
  border-bottom: 1px solid var(--hairline);
  z-index: 999;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.mobile-nav-drawer.nav-open {
  display: flex;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
  list-style: none;
}

.mobile-nav-links a {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink);
  padding: 8px 0;
  border-bottom: 1px solid var(--sunken);
  display: block;
}

/* Hero Grid Layout */
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(36px, 5vw, 64px);
  align-items: center;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  padding-top: 8px;
}

/* The Two-Layer Component directly from brand-guideline-v2.html */
.layer {
  border: 1px solid var(--hairline);
  border-radius: 16px;
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow-1);
  margin: 22px 0;
}

.layer__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--hairline);
  background: var(--sunken);
  transition: background 0.15s ease;
}

.layer__which {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-soft);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.layer__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--confirmed);
}

.layer[data-show="tech"] .layer__dot {
  background: var(--curious);
}

.layer__flip {
  background: var(--surface);
  border: 1px solid var(--hairline-strong);
  padding: 6px 14px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--trust);
  cursor: pointer;
  transition: all 0.15s ease;
}

.layer__flip:hover {
  background: var(--sunken);
  color: var(--deep);
  border-color: var(--trust);
}

.layer__body {
  padding: clamp(18px, 2.5vw, 26px);
}

.layer__plain {
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--ink);
}

.layer__tech {
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-soft);
  white-space: pre-wrap;
  background: var(--sunken);
  padding: 16px;
  border-radius: 10px;
  border: 1px solid var(--hairline);
}

.layer__tech .k {
  color: var(--curious);
  font-weight: 600;
}

.layer[data-show="plain"] .layer__tech {
  display: none !important;
}

.layer[data-show="tech"] .layer__plain {
  display: none !important;
}

.layer[data-show="tech"] .layer__bar {
  background: color-mix(in srgb, var(--curious) 12%, var(--sunken));
}

/* Rule Line from Brand Guideline */
.rule-line {
  font-size: 16px;
  color: var(--ink);
  background: var(--sunken);
  border-radius: 12px;
  padding: 18px 22px;
  margin: 24px 0;
  border: 1px solid var(--hairline);
}

.rule-line b {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--trust);
  display: block;
  margin-bottom: 6px;
}

/* Subtle Technical Dot-Grid Pattern (Figma / Linear Aesthetic) */
.bg-grid-dots {
  background-image: radial-gradient(color-mix(in srgb, var(--ink) 8%, transparent) 1px, transparent 1px);
  background-size: 28px 28px;
}

:root[data-theme="dark"] .bg-grid-dots {
  background-image: radial-gradient(color-mix(in srgb, #6E8BFF 14%, transparent) 1px, transparent 1px);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .bg-grid-dots {
    background-image: radial-gradient(color-mix(in srgb, #6E8BFF 14%, transparent) 1px, transparent 1px);
  }
}

/* Card & Grid from Brand Guideline */
.grid {
  display: grid;
  gap: clamp(16px, 2.5vw, 24px);
}

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

.grid-3 {
  grid-template-columns: 1fr;
}
@media (min-width: 580px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 900px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.grid-4 {
  grid-template-columns: 1fr;
}
@media (min-width: 480px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 900px) {
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Hero Stats compact grid */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 18px;
}

@media (max-width: 540px) {
  .hero-stats {
    gap: 8px;
  }
  .hero-stats .metric-stat-box {
    padding: 12px 6px;
  }
  .hero-stats .metric-stat-val {
    font-size: clamp(1.2rem, 5vw, 1.8rem);
  }
  .hero-stats .metric-stat-lbl {
    font-size: 0.68rem;
    letter-spacing: 0.04em;
  }
}

.card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 16px;
  padding: clamp(20px, 2.8vw, 30px);
  box-shadow: var(--shadow-1);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.22s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--trust) 30%, var(--hairline));
  box-shadow: 0 10px 28px -10px color-mix(in srgb, var(--ink) 14%, transparent);
}

.card h3 {
  font-size: 1.3rem;
  margin-bottom: 4px;
}

.card p {
  color: var(--ink-soft);
  font-size: 15px;
}

/* Vision & Mission Special Cards */
.card-vision {
  border-top: 4px solid var(--trust);
}

.card-mission {
  border-top: 4px solid var(--confirmed);
}

/* Tables from Brand Guideline */
.tblwrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  width: 100%;
  max-width: 100%;
  border: 1px solid var(--hairline);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--shadow-1);
  margin-top: 14px;
}

table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
  font-size: 14.5px;
}

th, td {
  text-align: left;
  padding: 14px 18px;
  border-bottom: 1px solid var(--hairline);
  vertical-align: top;
}

th {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  background: var(--sunken);
}

tr:last-child td {
  border-bottom: none;
}

td .m {
  font-weight: 600;
  color: var(--trust);
}

/* Data Metric Display */
.metric-stat-box {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 14px;
  padding: 22px;
  box-shadow: var(--shadow-1);
  text-align: center;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.2s ease,
              box-shadow 0.2s ease;
}

.metric-stat-box:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--trust) 40%, var(--hairline));
  box-shadow: 0 8px 20px -8px color-mix(in srgb, var(--trust) 22%, transparent);
}

.metric-stat-val {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--trust);
  line-height: 1.05;
}

.metric-stat-lbl {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 8px;
  font-weight: 600;
}

/* Icon Box */
.icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: color-mix(in srgb, var(--trust) 12%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--trust) 22%, transparent);
  color: var(--trust);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
  flex-shrink: 0;
}

/* Dignified HTML5 Figure Placeholders */
.figure-card {
  background-color: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-1);
  margin-top: 36px;
}

.figure-banner {
  height: 200px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--trust) 14%, var(--surface)) 0%, color-mix(in srgb, var(--trust) 8%, var(--sunken)) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.figure-svg-art {
  max-width: 100%;
  max-height: 170px;
}

.figure-caption {
  padding: 20px 24px;
  border-top: 1px solid var(--hairline);
}

.figure-caption p {
  font-size: 0.95rem;
  color: var(--ink-soft);
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 36px;
}

.pricing-card {
  background-color: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
  box-shadow: var(--shadow-1);
  position: relative;
  transition: transform 0.15s ease;
}

.pricing-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

.pricing-card.featured {
  border-color: var(--trust);
  box-shadow: 0 0 0 2px rgba(58, 95, 238, 0.2), var(--shadow-2);
}

.featured-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--trust);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.price-display {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 14px 0 6px 0;
}

.price-amount {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--ink);
  line-height: 1;
}

.price-unit {
  font-size: 0.92rem;
  color: var(--ink-faint);
  font-weight: 500;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-top: 1px solid var(--hairline);
  padding-top: 20px;
}

.pricing-features li {
  font-size: 0.92rem;
  color: var(--ink-soft);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.check-icon {
  color: var(--confirmed);
  flex-shrink: 0;
  margin-top: 3px;
}

/* Footer Section */
.site-footer {
  background-color: var(--surface);
  border-top: 1px solid var(--hairline);
  padding: 64px 0 36px 0;
  margin-top: auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: clamp(32px, 5vw, 64px);
  padding-bottom: 48px;
  border-bottom: 1px solid var(--hairline);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 440px;
}

.footer-brand p {
  font-size: 0.92rem;
  line-height: 1.6;
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink);
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.92rem;
  color: var(--ink-soft);
  display: inline-block;
  padding: 2px 0;
  transition: color 0.15s ease;
}

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

.social-links-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.social-icon-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background-color: var(--sunken);
  color: var(--ink-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--hairline);
  transition: all 0.15s ease;
  touch-action: manipulation;
}

.social-icon-btn:hover {
  background-color: color-mix(in srgb, var(--trust) 14%, var(--surface));
  color: var(--trust);
  border-color: var(--trust);
  transform: translateY(-1px);
}

.social-link-hidden {
  display: none !important;
}

.footer-bottom {
  padding-top: 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--ink-faint);
}

.legal-inline-links {
  display: flex;
  gap: 20px;
}

.legal-inline-links a {
  color: var(--ink-faint);
  transition: color 0.15s ease;
}

.legal-inline-links a:hover {
  color: var(--trust);
}

/* Legal Pages */
.legal-page-header {
  padding: clamp(40px, 6vw, 64px) 0 36px 0;
  border-bottom: 1px solid var(--hairline);
  background-color: var(--surface);
}

.legal-content {
  max-width: var(--readw);
  margin: 0 auto;
  padding: clamp(36px, 5vw, 56px) 0 96px 0;
}

.legal-content h2 {
  margin-top: 40px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--hairline);
}

.legal-content h3 {
  margin-top: 28px;
  margin-bottom: 12px;
}

.legal-content p,
.legal-content ul,
.legal-content ol {
  margin-bottom: 20px;
}

.legal-content ul,
.legal-content ol {
  padding-left: 24px;
}

.legal-content li {
  margin-bottom: 8px;
  color: var(--ink-soft);
}

/* 404 Error Specific */
.error-page-layout {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
}

.error-card {
  max-width: 580px;
  background-color: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: clamp(32px, 5vw, 48px) clamp(20px, 4vw, 36px);
  box-shadow: var(--shadow-1);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.error-code {
  font-family: var(--font-mono);
  font-size: clamp(3.5rem, 8vw, 5rem);
  font-weight: 800;
  color: var(--trust);
  line-height: 1;
}

/* Responsive Media Queries */
@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-top {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: inline-flex;
  }
}

@media (max-width: 640px) {
  .section {
    padding: clamp(44px, 8vw, 68px) 0;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }

  .hero-actions .btn {
    width: 100%;
    min-height: 48px;
  }

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

  .layer__bar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .layer__flip {
    min-height: 38px;
    padding: 6px 14px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .legal-inline-links {
    flex-wrap: wrap;
    gap: 14px;
  }
}

@media (max-width: 480px) {
  .nav-container {
    height: 64px;
  }

  .mobile-nav-drawer {
    top: 64px;
  }

  .brand-lockup img,
  .brand-lockup svg {
    height: 32px;
  }

  .brand-subtext {
    font-size: 0.62rem;
    padding-left: 8px;
  }

  .themebtn, .mobile-menu-btn {
    width: 38px;
    height: 38px;
  }

  .card {
    padding: 18px 16px;
  }

  .layer__body {
    padding: 16px;
  }
}

@media (max-width: 360px) {
  .brand-subtext {
    display: none;
  }
}