/* ============================================
   CONFINIUM ADVISORY LLC — Design Tokens
   Charcoal + amber, modern sans (Cabinet Grotesk / Satoshi)
   ============================================ */

: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(2.75rem, 1rem + 6vw, 6.5rem);

  /* Spacing (4px base) */
  --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;

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-full: 9999px;

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

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 1040px;
  --content-wide: 1280px;
  --content-full: 100%;

  /* Fonts */
  --font-display: 'Cabinet Grotesk', 'Helvetica Neue', sans-serif;
  --font-body: 'Satoshi', 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', 'Consolas', monospace;
}

/* ---------- LIGHT MODE ---------- */
:root,
[data-theme='light'] {
  --color-bg: #f5f4f2;
  --color-surface: #ffffff;
  --color-surface-2: #fbfaf8;
  --color-surface-offset: #edebe7;
  --color-surface-dynamic: #e4e1db;
  --color-divider: #ddd9d3;
  --color-border: #d2cec6;

  --color-text: #17161a;
  --color-text-muted: #5c5a57;
  --color-text-faint: #a19d95;
  --color-text-inverse: #f5f4f2;

  --color-primary: #b5590d;
  --color-primary-hover: #944709;
  --color-primary-active: #713505;
  --color-primary-highlight: #f0dcc4;

  --color-warning: #964219;
  --color-error: #a12c2c;
  --color-success: #3f7a3a;

  --logo-face-top: #f8f7f4;
  --logo-face-left: #c4c0b8;
  --logo-face-right: #847f75;
  --logo-seam: #b5590d;
  --logo-outline: #28251d;

  --shadow-sm: 0 1px 2px oklch(0.15 0.01 60 / 0.08);
  --shadow-md: 0 4px 16px oklch(0.15 0.01 60 / 0.10);
  --shadow-lg: 0 16px 40px oklch(0.15 0.01 60 / 0.16);
}

/* ---------- DARK MODE ---------- */
[data-theme='dark'] {
  --color-bg: #17161a;
  --color-surface: #1e1d21;
  --color-surface-2: #232226;
  --color-surface-offset: #2a292d;
  --color-surface-dynamic: #333136;
  --color-divider: #35333887;
  --color-border: #3b393e;

  --color-text: #efeeec;
  --color-text-muted: #a3a09c;
  --color-text-faint: #6b6965;
  --color-text-inverse: #17161a;

  --color-primary: #e8934a;
  --color-primary-hover: #f2a75f;
  --color-primary-active: #c97a37;
  --color-primary-highlight: #3d2f21;

  --color-warning: #d98c53;
  --color-error: #d16a6a;
  --color-success: #7cba71;

  --logo-face-top: #2a2925;
  --logo-face-left: #4a463f;
  --logo-face-right: #6e6a60;
  --logo-seam: #e8934a;
  --logo-outline: #efeeec;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 4px 16px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 16px 40px oklch(0 0 0 / 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --color-bg: #17161a;
    --color-surface: #1e1d21;
    --color-surface-2: #232226;
    --color-surface-offset: #2a292d;
    --color-surface-dynamic: #333136;
    --color-divider: #353338;
    --logo-face-top: #2a2925;
    --logo-face-left: #4a463f;
    --logo-face-right: #6e6a60;
    --logo-seam: #e8934a;
    --logo-outline: #efeeec;
    --color-border: #3b393e;
    --color-text: #efeeec;
    --color-text-muted: #a3a09c;
    --color-text-faint: #6b6965;
    --color-text-inverse: #17161a;
    --color-primary: #e8934a;
    --color-primary-hover: #f2a75f;
    --color-primary-active: #c97a37;
    --color-primary-highlight: #3d2f21;
    --color-warning: #d98c53;
    --color-error: #d16a6a;
    --color-success: #7cba71;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
    --shadow-md: 0 4px 16px oklch(0 0 0 / 0.4);
    --shadow-lg: 0 16px 40px oklch(0 0 0 / 0.5);
  }
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
}

/* ============================================
   LAYOUT PRIMITIVES
   ============================================ */

.container {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
.container--wide {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
.container--narrow {
  max-width: var(--content-narrow);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}
.section--tight {
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  font-weight: 700;
}

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.eyebrow::before {
  content: '';
  width: 24px;
  height: 1.5px;
  background: var(--color-primary);
  display: inline-block;
}

.hero-title {
  font-size: var(--text-hero);
  line-height: 1.02;
  margin-block: var(--space-6);
}

.page-title {
  font-size: var(--text-2xl);
  line-height: 1.05;
  margin-block: var(--space-4);
}

.section-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}

.subsection-title {
  font-size: var(--text-lg);
  font-family: var(--font-body);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 60ch;
}

p {
  color: var(--color-text-muted);
}

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

/* ============================================
   HEADER / NAV
   ============================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
  transition:
    transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.header--hidden {
  transform: translateY(-100%);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  letter-spacing: -0.01em;
  text-decoration: none;
}
.logo svg {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
}
.nav-links a:hover,
.nav-links a[aria-current='page'] {
  color: var(--color-text);
}
.nav-links a[aria-current='page'] {
  position: relative;
}
.nav-links a[aria-current='page']::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: var(--color-primary);
}

.nav-links a.nav-links-cta {
  display: none;
  color: #fff;
}
.nav-links a.nav-links-cta:hover {
  color: #fff;
}

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

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}

.theme-toggle {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
}
.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}

@media (max-width: 860px) {
  .nav-links {
    position: fixed;
    top: 65px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-divider);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: var(--space-4) var(--space-6) var(--space-6);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition:
      transform 0.25s cubic-bezier(0.16, 1, 0.3, 1),
      opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .nav-links.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links a {
    width: 100%;
    padding-block: var(--space-3);
    border-bottom: 1px solid var(--color-divider);
  }
  .nav-toggle {
    display: inline-flex;
  }
}

@media (max-width: 860px) {
  .nav-links a.nav-links-cta {
    display: inline-flex;
    margin-top: var(--space-4);
    width: 100%;
    justify-content: center;
    border-bottom: none !important;
  }
}

@media (max-width: 520px) {
  .nav-actions .btn--primary {
    display: none;
  }
  .logo {
    font-size: var(--text-sm);
    gap: var(--space-2);
  }
  .logo svg {
    width: 28px;
    height: 28px;
  }
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  text-decoration: none;
  white-space: nowrap;
  min-height: 44px;
}

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

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn--outline:hover {
  border-color: var(--color-text);
  background: var(--color-surface-offset);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
}
.btn--ghost:hover {
  color: var(--color-text);
}

/* ============================================
   HERO
   ============================================ */

.hero {
  padding-block: clamp(var(--space-20), 10vw, var(--space-32)) clamp(var(--space-16), 8vw, var(--space-24));
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 640px;
  height: 640px;
  background: radial-gradient(circle, oklch(from var(--color-primary) l c h / 0.16), transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-16);
  align-items: center;
  position: relative;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-8);
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-surface-offset);
}
.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-visual {
    aspect-ratio: 16 / 10;
    order: -1;
  }
}

/* ============================================
   CARDS
   ============================================ */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}
.card-icon svg {
  width: 22px;
  height: 22px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}
@media (max-width: 900px) {
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   STATS STRIP
   ============================================ */

.stats-strip {
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  padding-block: var(--space-10);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}
.stat-value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  font-variant-numeric: tabular-nums lining-nums;
}
.stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}
@media (max-width: 760px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================
   SURFACE / OFFSET SECTIONS
   ============================================ */

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

.section--dark {
  background: #17161a;
  color: #efeeec;
}
.section--dark .lede,
.section--dark p {
  color: #a3a09c;
}
.section--dark h2,
.section--dark h3 {
  color: #efeeec;
}

/* ============================================
   TWO COLUMN FEATURE
   ============================================ */

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}
.feature-row.reverse .feature-media {
  order: 2;
}
@media (max-width: 900px) {
  .feature-row {
    grid-template-columns: 1fr;
  }
  .feature-row.reverse .feature-media {
    order: -1;
  }
}
.feature-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.list-check {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-6);
}
.list-check li {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  font-size: var(--text-sm);
  color: var(--color-text);
  max-width: none;
}
.list-check svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-primary);
}

/* ============================================
   TIMELINE (About page)
   ============================================ */

.timeline {
  display: flex;
  flex-direction: column;
}
.timeline-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--space-8);
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-divider);
}
.timeline-item:last-child {
  border-bottom: 1px solid var(--color-divider);
}
.timeline-year {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--color-primary);
}
@media (max-width: 700px) {
  .timeline-item {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }
}

/* ============================================
   QUOTE / PULL
   ============================================ */

.pull-quote {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  line-height: 1.3;
  color: var(--color-text);
  border-left: 3px solid var(--color-primary);
  padding-left: var(--space-6);
  max-width: 42ch;
}

/* ============================================
   CTA BAND
   ============================================ */

.cta-band {
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-10), 6vw, var(--space-16));
  background: #17161a;
  color: #efeeec;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
}
.cta-band h2 {
  color: #efeeec;
}
.cta-band p {
  color: #a3a09c;
}

/* ============================================
   FORM (Contact page)
   ============================================ */

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}
.form-field label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}
.form-field input,
.form-field textarea,
.form-field select {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-base);
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
  border-color: var(--color-primary);
}
.form-field textarea {
  resize: vertical;
  min-height: 140px;
}
.form-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-3);
}

.contact-info-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding-block: var(--space-5);
  border-top: 1px solid var(--color-divider);
}
.contact-info-item:first-child {
  border-top: none;
}
.contact-info-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-info-icon svg {
  width: 18px;
  height: 18px;
}
.contact-info-item a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}
.contact-info-item a:hover {
  text-decoration: underline;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-12) var(--space-8);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-10);
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 700;
  text-decoration: none;
  margin-bottom: var(--space-4);
}
.footer-logo svg {
  width: 28px;
  height: 28px;
}
.footer-col h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer-col a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
}
.footer-col a:hover {
  color: var(--color-primary);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  flex-wrap: wrap;
  gap: var(--space-4);
}

@media (max-width: 760px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

/* ============================================
   MISC UTILITIES
   ============================================ */

.mt-0 {
  margin-top: 0;
}
.text-center {
  text-align: center;
}
.mx-auto {
  margin-inline: auto;
}
.section-head {
  max-width: 640px;
  margin-bottom: var(--space-12);
}
.section-head.text-center {
  margin-inline: auto;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}
.badge {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  z-index: 100;
}
.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
}