/* ============================================================
   KAREN ADVISORY — DESIGN SYSTEM
   Premium Insurance Advisory Platform
   Version 1.0 · 2025
   ============================================================ */

/* ── 1. DESIGN TOKENS ───────────────────────────────────────── */
:root {

  /* Navy palette */
  --navy-950: #030C1A;
  --navy-900: #050F22;
  --navy-800: #0A1628;
  --navy-700: #0E1F3D;
  --navy-600: #132B55;
  --navy-500: #1246A0;
  --navy-400: #1D5FCC;
  --navy-300: #4A80D4;
  --navy-200: #A8C4E8;
  --navy-100: #EBF2FC;
  --navy-50:  #F4F8FE;

  /* Gold palette */
  --gold-700: #6B4E0A;
  --gold-600: #8B6914;
  --gold-500: #B8860B;
  --gold-400: #C9A84C;
  --gold-300: #D4AF5A;
  --gold-200: #E8D099;
  --gold-100: #F8F0D8;
  --gold-50:  #FDFBF4;

  /* Neutral */
  --white:    #FFFFFF;
  --gray-50:  #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;

  /* Semantic aliases */
  --c-primary:      var(--navy-500);
  --c-primary-dark: var(--navy-800);
  --c-accent:       var(--gold-400);
  --c-accent-dark:  var(--gold-600);
  --c-bg:           var(--white);
  --c-bg-alt:       var(--gray-50);
  --c-bg-dark:      var(--navy-800);
  --c-text:         var(--navy-800);
  --c-text-muted:   var(--gray-500);
  --c-text-light:   var(--gray-400);
  --c-border:       var(--gray-200);
  --c-success:      #10B981;
  --c-warning:      #F59E0B;
  --c-error:        #EF4444;

  /* Typography */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;

  /* Fluid type scale */
  --t-xs:   clamp(0.7rem,   0.65rem  + 0.2vw, 0.75rem);
  --t-sm:   clamp(0.8rem,   0.75rem  + 0.25vw, 0.875rem);
  --t-base: clamp(0.9375rem, 0.9rem  + 0.2vw, 1rem);
  --t-lg:   clamp(1rem,     0.95rem  + 0.3vw, 1.125rem);
  --t-xl:   clamp(1.1rem,   1rem     + 0.5vw, 1.25rem);
  --t-2xl:  clamp(1.25rem,  1.1rem   + 0.8vw, 1.5rem);
  --t-3xl:  clamp(1.5rem,   1.2rem   + 1.5vw, 1.875rem);
  --t-4xl:  clamp(1.8rem,   1.4rem   + 2vw,   2.25rem);
  --t-5xl:  clamp(2.2rem,   1.6rem   + 3vw,   3rem);
  --t-6xl:  clamp(2.75rem,  1.8rem   + 4.5vw, 3.75rem);
  --t-7xl:  clamp(3rem,     1.8rem   + 6vw,   4.5rem);
  --t-8xl:  clamp(3.5rem,   2rem     + 7.5vw, 5.25rem);

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

  /* Border radius */
  --r-xs:   4px;
  --r-sm:   8px;
  --r-md:   12px;
  --r-lg:   18px;
  --r-xl:   24px;
  --r-2xl:  32px;
  --r-3xl:  48px;
  --r-full: 9999px;

  /* Shadows */
  --sh-xs:   0 1px 2px rgba(10, 22, 40, 0.06);
  --sh-sm:   0 1px 4px rgba(10, 22, 40, 0.08), 0 1px 2px rgba(10, 22, 40, 0.04);
  --sh-md:   0 4px 16px rgba(10, 22, 40, 0.10), 0 2px 6px rgba(10, 22, 40, 0.05);
  --sh-lg:   0 8px 32px rgba(10, 22, 40, 0.12), 0 3px 10px rgba(10, 22, 40, 0.06);
  --sh-xl:   0 16px 48px rgba(10, 22, 40, 0.14), 0 6px 18px rgba(10, 22, 40, 0.08);
  --sh-2xl:  0 24px 64px rgba(10, 22, 40, 0.18), 0 10px 28px rgba(10, 22, 40, 0.10);
  --sh-gold: 0 4px 24px rgba(201, 168, 76, 0.35);
  --sh-gold-lg: 0 8px 40px rgba(201, 168, 76, 0.40);
  --sh-navy: 0 4px 24px rgba(18, 70, 160, 0.25);
  --sh-inset: inset 0 1px 3px rgba(10, 22, 40, 0.10);

  /* Transitions */
  --t-fast:   150ms ease;
  --t-base:   250ms ease;
  --t-slow:   400ms ease;
  --t-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-index stack */
  --z-below:    -1;
  --z-base:      0;
  --z-raised:   10;
  --z-dropdown: 100;
  --z-sticky:   200;
  --z-modal:    300;
  --z-toast:    400;

  /* Layout */
  --max-w:      1280px;
  --max-w-sm:    640px;
  --max-w-md:    768px;
  --max-w-lg:   1024px;
  --max-w-xl:   1200px;
  --nav-h:       72px;
  --section-py:  clamp(64px, 8vw, 112px);
}

/* ── 2. RESET & BASE ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font);
  font-size: var(--t-base);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--c-text);
}

/* ── 3. LAYOUT ──────────────────────────────────────────────── */
.da-container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(var(--s-5), 5vw, var(--s-12));
}

.da-section {
  padding-block: var(--section-py);
}

.da-section-alt { background: var(--gray-50); }
.da-section-dark { background: var(--navy-800); }
.da-section-navy { background: var(--navy-900); }
.da-section-gold { background: var(--gold-50); }

.da-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s-8); }
.da-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-8); }
.da-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-6); }
.da-grid-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--s-6); }

/* ── 4. NAVIGATION ──────────────────────────────────────────── */
.da-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-sticky);
  height: var(--nav-h);
  display: flex;
  align-items: center;
  /* Always-on dark background prevents GPU compositing layer being
     created/destroyed on scroll, which caused nav flicker */
  background: rgba(4, 12, 36, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  will-change: background, box-shadow;
  /* Remove backdrop-filter from transition — its creation/destruction
     caused the scroll-position feedback loop that made nav flicker */
  transition: background var(--t-base), box-shadow var(--t-base);
}

.da-nav.scrolled {
  background: rgba(4, 12, 36, 0.97);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06), var(--sh-lg);
}

.da-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.da-logo {
  font-size: var(--t-xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--white);
  line-height: 1;
  display: flex;
  flex-direction: column;
}

.da-logo span {
  font-size: var(--t-xs);
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-300);
  display: block;
  margin-top: 2px;
}

.da-nav-links {
  display: flex;
  align-items: center;
  gap: var(--s-8);
}

.da-nav-links a {
  font-size: var(--t-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  transition: color var(--t-fast);
  letter-spacing: 0.01em;
}

.da-nav-links a:hover { color: var(--white); }
.da-nav-links a.active { color: var(--white); }

.da-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--s-2);
  color: var(--white);
  flex-direction: column;
  gap: 5px;
}

.da-nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--t-base);
}

.da-mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--navy-900);
  z-index: calc(var(--z-sticky) - 1);
  padding: calc(var(--nav-h) + var(--s-8)) var(--s-6) var(--s-8);
  flex-direction: column;
  gap: var(--s-2);
  overflow-y: auto;
}

.da-mobile-menu.open { display: flex; }

.da-mobile-menu a {
  font-size: var(--t-2xl);
  font-weight: 600;
  color: rgba(255,255,255,0.8);
  padding: var(--s-4) 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: color var(--t-fast);
}

.da-mobile-menu a:hover { color: var(--gold-300); }

/* ── 5. BUTTONS ─────────────────────────────────────────────── */
.da-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  font-size: var(--t-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 11px 22px;
  border-radius: var(--r-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--t-base);
  white-space: nowrap;
  line-height: 1;
  text-decoration: none;
  -webkit-user-select: none;
  user-select: none;
}

.da-btn:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 3px;
}

/* Size variants */
.da-btn-sm { font-size: var(--t-xs); padding: 8px 16px; }
.da-btn-lg { font-size: var(--t-base); padding: 15px 30px; }
.da-btn-xl { font-size: var(--t-lg);  padding: 18px 36px; }

/* Style variants */
.da-btn-primary {
  background: var(--navy-500);
  color: var(--white);
  border-color: var(--navy-500);
}
.da-btn-primary:hover {
  background: var(--navy-400);
  border-color: var(--navy-400);
  box-shadow: var(--sh-navy);
}

.da-btn-gold {
  background: linear-gradient(135deg, var(--gold-400) 0%, var(--gold-300) 100%);
  color: var(--navy-900);
  border-color: transparent;
  font-weight: 700;
}
.da-btn-gold:hover {
  background: linear-gradient(135deg, var(--gold-300) 0%, var(--gold-200) 100%);
  box-shadow: var(--sh-gold-lg);
}

.da-btn-navy {
  background: var(--navy-800);
  color: var(--white);
  border-color: var(--navy-800);
}
.da-btn-navy:hover {
  background: var(--navy-700);
  box-shadow: var(--sh-xl);
}

.da-btn-outline {
  background: transparent;
  color: var(--navy-500);
  border-color: var(--navy-500);
}
.da-btn-outline:hover {
  background: var(--navy-500);
  color: var(--white);
}

.da-btn-ghost {
  background: transparent;
  color: rgba(255,255,255,0.85);
  border-color: rgba(255,255,255,0.3);
}
.da-btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}

.da-btn-ghost-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.35);
}
.da-btn-ghost-light:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.65);
}

.da-btn-text {
  background: none;
  border: none;
  color: var(--navy-500);
  padding-left: 0;
  padding-right: 0;
}
.da-btn-text:hover { color: var(--navy-400); text-decoration: underline; }

/* ── 6. CARDS ───────────────────────────────────────────────── */
.da-card {
  background: var(--white);
  border-radius: var(--r-xl);
  padding: var(--s-8);
  box-shadow: var(--sh-md);
  border: 1px solid var(--gray-100);
  transition: transform var(--t-base), box-shadow var(--t-base);
}

.da-card:hover {
  box-shadow: var(--sh-xl);
}

.da-card-dark {
  background: var(--navy-800);
  border-color: rgba(255,255,255,0.08);
  color: var(--white);
}

.da-card-navy {
  background: var(--navy-900);
  border-color: rgba(255,255,255,0.06);
  color: var(--white);
}

.da-card-gold {
  background: var(--gold-50);
  border-color: var(--gold-200);
}

.da-card-glass {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.12);
}

.da-card-featured {
  border: 2px solid var(--gold-400);
  position: relative;
  overflow: hidden;
}

.da-card-featured::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(201,168,76,0.04) 0%, transparent 60%);
  pointer-events: none;
}

/* ── 7. BADGES ──────────────────────────────────────────────── */
.da-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-size: var(--t-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: var(--r-full);
}

.da-badge-navy { background: var(--navy-100); color: var(--navy-500); }
.da-badge-gold { background: var(--gold-100); color: var(--gold-600); border: 1px solid var(--gold-200); }
.da-badge-white { background: rgba(255,255,255,0.12); color: rgba(255,255,255,0.85); border: 1px solid rgba(255,255,255,0.2); }
.da-badge-success { background: #D1FAE5; color: #065F46; }
.da-badge-outline { background: transparent; border: 1.5px solid var(--c-border); color: var(--gray-600); }

/* ── 8. SECTION HEADER PATTERN ──────────────────────────────── */
.da-section-header {
  text-align: center;
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: clamp(40px, 6vw, 72px);
}

.da-eyebrow {
  display: inline-block;
  font-size: var(--t-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: var(--s-4);
}

.da-eyebrow-light { color: var(--gold-300); }
.da-eyebrow-muted { color: var(--gray-500); }

.da-section-title {
  font-size: var(--t-5xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--navy-800);
  margin-bottom: var(--s-5);
}

.da-section-title-light { color: var(--white); }

.da-section-sub {
  font-size: var(--t-lg);
  color: var(--gray-500);
  line-height: 1.7;
  max-width: 600px;
  margin-inline: auto;
}

.da-section-sub-light { color: rgba(255,255,255,0.65); }

/* ── 9. TYPOGRAPHY UTILITIES ────────────────────────────────── */
.da-gradient-text {
  background: linear-gradient(135deg, var(--gold-400) 0%, var(--gold-200) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.da-gradient-text-blue {
  background: linear-gradient(135deg, var(--navy-300) 0%, var(--navy-100) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.fw-400 { font-weight: 400; }
.fw-500 { font-weight: 500; }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.fw-800 { font-weight: 800; }

.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-right  { text-align: right; }

.text-muted  { color: var(--gray-500); }
.text-light  { color: rgba(255,255,255,0.65); }
.text-gold   { color: var(--gold-400); }
.text-white  { color: var(--white); }

/* ── 10. DIVIDERS ───────────────────────────────────────────── */
.da-divider {
  height: 1px;
  background: var(--gray-200);
  border: none;
  margin-block: var(--s-8);
}

.da-divider-gold { background: linear-gradient(90deg, transparent, var(--gold-300), transparent); }
.da-divider-dark { background: rgba(255,255,255,0.08); }

/* ── 11. FEATURE LIST ───────────────────────────────────────── */
.da-feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  margin: var(--s-6) 0;
}

.da-feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--s-3);
  font-size: var(--t-sm);
  color: rgba(255,255,255,0.8);
  line-height: 1.5;
}

.da-feature-item-dark { color: var(--gray-600); }

.da-feature-check {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(201,168,76,0.15);
  border: 1.5px solid var(--gold-400);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
  font-size: 10px;
  color: var(--gold-400);
}

/* ── 12. STATS ──────────────────────────────────────────────── */
.da-stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-8);
  justify-content: center;
}

.da-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-1);
}

.da-stat-num {
  font-size: var(--t-4xl);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--white);
}

.da-stat-lbl {
  font-size: var(--t-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}

.da-stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.12);
  align-self: center;
}

/* ── 13. FORM ELEMENTS ──────────────────────────────────────── */
.da-input {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--c-border);
  border-radius: var(--r-md);
  font-size: var(--t-base);
  color: var(--c-text);
  background: var(--white);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  outline: none;
}

.da-input:focus {
  border-color: var(--navy-500);
  box-shadow: 0 0 0 3px rgba(18, 70, 160, 0.12);
}

.da-label {
  display: block;
  font-size: var(--t-sm);
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: var(--s-2);
  letter-spacing: 0.01em;
}

/* ── 14. FOOTER ─────────────────────────────────────────────── */
.da-footer {
  background: var(--navy-950);
  color: rgba(255,255,255,0.6);
  padding-top: clamp(48px, 6vw, 80px);
  padding-bottom: var(--s-8);
  border-top: 1px solid rgba(255,255,255,0.04);
}

.da-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--s-10);
  padding-bottom: var(--s-12);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.da-footer-logo {
  font-size: var(--t-xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: var(--s-3);
}

.da-footer-tagline {
  font-size: var(--t-sm);
  color: rgba(255,255,255,0.45);
  line-height: 1.7;
  max-width: 280px;
  margin-bottom: var(--s-6);
}

.da-footer-col h4 {
  font-size: var(--t-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: var(--s-5);
}

.da-footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}

.da-footer-links a {
  font-size: var(--t-sm);
  color: rgba(255,255,255,0.55);
  transition: color var(--t-fast);
}

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

.da-footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--s-4);
  padding-top: var(--s-8);
}

.da-footer-copy {
  font-size: var(--t-xs);
  color: rgba(255,255,255,0.3);
}

.da-footer-legal {
  font-size: var(--t-xs);
  color: rgba(255,255,255,0.25);
  max-width: 600px;
  line-height: 1.6;
  margin-top: var(--s-4);
}

.da-footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}

.da-footer-contact a {
  font-size: var(--t-sm);
  color: rgba(255,255,255,0.55);
  transition: color var(--t-fast);
}

.da-footer-contact a:hover { color: var(--gold-300); }

/* ── 15. SCROLL ANIMATIONS ──────────────────────────────────── */
.da-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

.da-reveal-left {
  opacity: 0;
  transform: translateX(-28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.da-reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.da-reveal-right {
  opacity: 0;
  transform: translateX(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.da-reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.da-reveal-delay-1 { transition-delay: 0.1s; }
.da-reveal-delay-2 { transition-delay: 0.2s; }
.da-reveal-delay-3 { transition-delay: 0.3s; }
.da-reveal-delay-4 { transition-delay: 0.4s; }
.da-reveal-delay-5 { transition-delay: 0.5s; }

/* ── 16. KEYFRAMES ──────────────────────────────────────────── */
@keyframes da-fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes da-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes da-scale-in {
  from { opacity: 0; transform: scale(0.96); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes da-shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes da-pulse-gold {
  0%, 100% { box-shadow: 0 0 0 0 rgba(201, 168, 76, 0); }
  50%       { box-shadow: 0 0 0 8px rgba(201, 168, 76, 0.15); }
}

.da-animate-fade-up   { animation: da-fade-up   0.65s ease both; }
.da-animate-fade-in   { animation: da-fade-in   0.65s ease both; }
.da-animate-scale-in  { animation: da-scale-in  0.65s ease both; }

/* ── 17. UTILITY CLASSES ────────────────────────────────────── */
.da-sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  border: 0;
}

.da-spacer-sm  { height: var(--s-8); }
.da-spacer-md  { height: var(--s-16); }
.da-spacer-lg  { height: var(--s-24); }

.da-flex       { display: flex; }
.da-flex-col   { display: flex; flex-direction: column; }
.da-items-center { align-items: center; }
.da-justify-center { justify-content: center; }
.da-justify-between { justify-content: space-between; }
.da-gap-2  { gap: var(--s-2); }
.da-gap-4  { gap: var(--s-4); }
.da-gap-6  { gap: var(--s-6); }
.da-gap-8  { gap: var(--s-8); }
.da-gap-12 { gap: var(--s-12); }

.da-w-full { width: 100%; }
.da-max-w-sm { max-width: var(--max-w-sm); }
.da-max-w-md { max-width: var(--max-w-md); }

.da-mt-4  { margin-top: var(--s-4); }
.da-mt-6  { margin-top: var(--s-6); }
.da-mt-8  { margin-top: var(--s-8); }
.da-mt-12 { margin-top: var(--s-12); }
.da-mb-4  { margin-bottom: var(--s-4); }
.da-mb-6  { margin-bottom: var(--s-6); }
.da-mb-8  { margin-bottom: var(--s-8); }
.da-mb-12 { margin-bottom: var(--s-12); }
.da-mx-auto { margin-inline: auto; }

/* ── 18. RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .da-footer-grid { grid-template-columns: 1fr 1fr; gap: var(--s-8); }
  .da-grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .da-nav-links { display: none; }
  .da-nav-toggle { display: flex; }

  .da-grid-2, .da-grid-3 { grid-template-columns: 1fr; }
  .da-grid-4 { grid-template-columns: repeat(2, 1fr); gap: var(--s-4); }

  .da-footer-grid { grid-template-columns: 1fr 1fr; gap: var(--s-6); }
  .da-footer-bottom { flex-direction: column; align-items: flex-start; }

  .da-stats-row { gap: var(--s-6); }
  .da-stat-divider { display: none; }
}

@media (max-width: 480px) {
  .da-grid-4 { grid-template-columns: 1fr; }
  .da-footer-grid { grid-template-columns: 1fr; }
  .da-btn-xl { padding: 15px 28px; font-size: var(--t-base); }
}

/* ============================================================
   DESIGN SYSTEM — v1.1 TWO-TIER NAVIGATION
   Secondary utility bar + dropdown menus
   ============================================================ */

/* ── SECONDARY / UTILITY NAV BAR ───────────────────────────── */
:root {
  --sec-nav-h: 40px;
  --header-h: calc(var(--nav-h) + var(--sec-nav-h));
}

.da-sec-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: calc(var(--z-sticky) + 1);
  height: var(--sec-nav-h);
  background: var(--navy-950);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
}

.da-sec-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.da-sec-nav-left {
  display: flex;
  align-items: center;
  gap: var(--s-2);
}

.da-sec-nav-right {
  display: flex;
  align-items: center;
  gap: var(--s-4);
}

/* Utility nav links (used for lang toggle, social, etc.) */
.da-sec-link {
  font-size: 0.72rem;
  font-weight: 500;
  color: rgba(255,255,255,0.42);
  letter-spacing: 0.01em;
  transition: color var(--t-fast);
  white-space: nowrap;
}

.da-sec-link:hover { color: rgba(255,255,255,0.75); }

.da-sec-divider {
  width: 1px;
  height: 12px;
  background: rgba(255,255,255,0.12);
}

/* Language toggle in secondary bar */
.da-lang-toggle {
  display: flex;
  align-items: center;
  gap: 2px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--r-full);
  padding: 3px;
}

.da-lang-btn {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.45);
  background: none;
  border: none;
  padding: 2px 10px;
  border-radius: var(--r-full);
  cursor: pointer;
  transition: all var(--t-fast);
  line-height: 1.6;
}

.da-lang-btn.active,
.da-lang-btn:hover {
  background: rgba(255,255,255,0.12);
  color: var(--white);
}

/* ── PRIMARY NAV — offset for secondary bar ─────────────────── */
.da-nav {
  top: var(--sec-nav-h);  /* push below utility bar */
}

/* Body padding for both bars */
.da-page-body {
  padding-top: var(--header-h);
}

/* ── DROPDOWN MENUS ─────────────────────────────────────────── */
.da-has-dropdown {
  position: relative;
}

.da-dropdown {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 210px;
  background: var(--navy-900);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--r-lg);
  padding: var(--s-2);
  box-shadow: var(--sh-2xl);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-6px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  pointer-events: none;
  z-index: var(--z-dropdown);
}

/* Arrow pointer */
.da-dropdown::before {
  content: '';
  position: absolute;
  top: -5px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 10px;
  height: 10px;
  background: var(--navy-900);
  border-left: 1px solid rgba(255,255,255,0.1);
  border-top: 1px solid rgba(255,255,255,0.1);
}

.da-has-dropdown:hover .da-dropdown,
.da-has-dropdown:focus-within .da-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: all;
}

.da-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: 9px 14px;
  border-radius: var(--r-sm);
  font-size: 0.82rem;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  transition: background var(--t-fast), color var(--t-fast);
  white-space: nowrap;
  text-decoration: none;
}

.da-dropdown-item:hover {
  background: rgba(255,255,255,0.07);
  color: var(--white);
}

.da-dropdown-item-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
}

.da-dropdown-divider {
  height: 1px;
  background: rgba(255,255,255,0.06);
  margin: var(--s-1) var(--s-2);
}

/* Chevron on dropdown trigger */
.da-nav-caret {
  display: inline-block;
  width: 0; height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid rgba(255,255,255,0.5);
  margin-left: 4px;
  transition: transform var(--t-fast);
  vertical-align: middle;
}

.da-has-dropdown:hover .da-nav-caret { transform: rotate(180deg); }

/* ── SECONDARY NAV DROPDOWN (left-aligned) ───────────────────── */
.da-sec-has-dropdown {
  position: relative;
}

.da-sec-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 210px;
  background: var(--navy-900);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--r-lg);
  padding: var(--s-2);
  box-shadow: var(--sh-2xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
  pointer-events: none;
  z-index: var(--z-dropdown);
}

.da-sec-has-dropdown:hover .da-sec-dropdown,
.da-sec-has-dropdown:focus-within .da-sec-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: all;
}

/* Right-aligned secondary dropdown */
.da-sec-has-dropdown.align-right .da-sec-dropdown {
  left: auto;
  right: 0;
}

.da-sec-dropdown-trigger {
  font-size: 0.72rem;
  font-weight: 600;
  color: rgba(255,255,255,0.5);
  display: flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  padding: 4px 0;
  transition: color var(--t-fast);
  background: none;
  border: none;
  letter-spacing: 0.01em;
}

.da-sec-dropdown-trigger:hover { color: rgba(255,255,255,0.85); }

.da-sec-dropdown-trigger .da-nav-caret {
  border-top-color: rgba(255,255,255,0.4);
}

.da-sec-has-dropdown:hover .da-sec-dropdown-trigger { color: rgba(255,255,255,0.85); }

/* ── ACTIVE PAGE INDICATOR ───────────────────────────────────── */
.da-nav-links a.da-active,
.da-nav-links a[aria-current="page"] {
  color: var(--white);
  position: relative;
}

.da-nav-links a.da-active::after,
.da-nav-links a[aria-current="page"]::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0; right: 0;
  height: 2px;
  background: var(--gold-400);
  border-radius: 2px;
}

/* ── MOBILE — hide secondary nav dropdowns; show in menu ─────── */
@media (max-width: 768px) {
  .da-sec-nav { display: none; }
  :root { --header-h: var(--nav-h); }
  .da-nav { top: 0; }

  .da-mobile-menu {
    gap: 0;
  }

  .da-mobile-section-label {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.3);
    padding: 20px 0 8px;
  }

  .da-mobile-menu a {
    font-size: var(--t-lg);
    padding: 12px 0;
  }

  .da-mobile-menu a.sub-link {
    font-size: var(--t-base);
    color: rgba(255,255,255,0.55);
    padding: 9px 0 9px 16px;
    border-bottom-color: rgba(255,255,255,0.04);
  }
}

/* ── SCROLL OFFSET for anchor links ────────────────────────────── */
[id] { scroll-margin-top: calc(var(--header-h) + 20px); }