/* ============================================
   LEGAL NEXUS — Premium Design System v2.0
   "Serious. Trustworthy. Minimal. Powerful."
   ============================================ */

/* ===== GOOGLE FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Inter:wght@300;400;500;600;700&display=swap');

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  /* --- Primary Palette (Black-toned) --- */
  --clr-primary:       #111111;
  --clr-primary-deep:  #0A0A0A;
  --clr-primary-mid:   #1A1A1A;
  --clr-primary-light: #252525;

  /* --- Gold Accent System --- */
  --clr-accent:        #C9A14A;
  --clr-accent-light:  #D4B76A;
  --clr-accent-dark:   #A8832E;
  --clr-accent-glow:   rgba(201, 161, 74, 0.35);
  --clr-accent-subtle: rgba(201, 161, 74, 0.08);

  /* --- Neutrals --- */
  --clr-white:         #FFFFFF;
  --clr-off-white:     #F8F7F4;
  --clr-cream:         #FAF8F5;
  --clr-light-bg:      #F3F1ED;
  --clr-border:        rgba(0, 0, 0, 0.08);
  --clr-border-dark:   rgba(0, 0, 0, 0.15);
  --clr-border-gold:   rgba(201, 161, 74, 0.25);

  /* --- Text --- */
  --clr-text:          #2A2A2A;
  --clr-text-light:    #555555;
  --clr-text-muted:    #888888;
  --clr-text-on-dark:  rgba(255, 255, 255, 0.85);
  --clr-text-on-dark-muted: rgba(255, 255, 255, 0.55);

  /* --- Status --- */
  --clr-success:       #2E7D32;

  /* --- Typography --- */
  --ff-heading:  'Playfair Display', Georgia, 'Times New Roman', serif;
  --ff-body:     'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --fs-display:   clamp(2.8rem, 5.5vw, 4.5rem);
  --fs-display-sm: clamp(2.2rem, 4vw, 3.2rem);
  --fs-h1:        clamp(2.2rem, 4vw, 3rem);
  --fs-h2:        clamp(1.8rem, 3.2vw, 2.5rem);
  --fs-h3:        clamp(1.4rem, 2.4vw, 1.75rem);
  --fs-h4:        clamp(1.1rem, 1.6vw, 1.25rem);
  --fs-body-lg:   1.125rem;
  --fs-body:      1rem;
  --fs-small:     0.875rem;
  --fs-xs:        0.75rem;
  --fs-overline:  0.7rem;

  --fw-light:     300;
  --fw-regular:   400;
  --fw-medium:    500;
  --fw-semibold:  600;
  --fw-bold:      700;

  --ls-tight:     -0.02em;
  --ls-normal:    0;
  --ls-wide:      0.08em;
  --ls-ultra:     0.15em;

  /* --- Spacing --- */
  --space-xs:   0.5rem;
  --space-sm:   1rem;
  --space-md:   1.5rem;
  --space-lg:   2rem;
  --space-xl:   3rem;
  --space-2xl:  4.5rem;
  --space-3xl:  6rem;
  --space-4xl:  8rem;

  /* --- Layout --- */
  --container-max:     1200px;
  --container-narrow:  800px;
  --container-padding: 2rem;
  --navbar-height:     80px;

  /* --- Borders & Radius --- */
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-xl:   28px;
  --radius-full: 9999px;

  /* --- Shadows --- */
  --shadow-sm:   0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md:   0 8px 30px rgba(0, 0, 0, 0.1);
  --shadow-lg:   0 16px 50px rgba(0, 0, 0, 0.14);
  --shadow-xl:   0 24px 70px rgba(0, 0, 0, 0.18);
  --shadow-gold: 0 8px 30px rgba(201, 161, 74, 0.2);
  --shadow-glow: 0 0 40px rgba(201, 161, 74, 0.15);

  /* --- Glass --- */
  --glass-bg:        rgba(255, 255, 255, 0.06);
  --glass-bg-light:  rgba(255, 255, 255, 0.85);
  --glass-border:    rgba(255, 255, 255, 0.12);
  --glass-blur:      blur(20px);

  /* --- Transitions --- */
  --ease-out-expo:   cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart:  cubic-bezier(0.25, 1, 0.5, 1);
  --ease-spring:     cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 0.2s var(--ease-out-quart);
  --transition-base: 0.4s var(--ease-out-expo);
  --transition-slow: 0.6s var(--ease-out-expo);
  --transition-reveal: 0.8s var(--ease-out-expo);
}


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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body {
  font-family: var(--ff-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  color: var(--clr-text);
  background: var(--clr-cream);
  line-height: 1.7;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea { font-family: inherit; }


/* ===== TYPOGRAPHY ===== */
h1, h2, h3 {
  font-family: var(--ff-heading);
  font-weight: var(--fw-bold);
  color: var(--clr-primary);
  line-height: 1.2;
  letter-spacing: var(--ls-tight);
}

h4, h5, h6 {
  font-family: var(--ff-body);
  font-weight: var(--fw-semibold);
  color: var(--clr-primary);
  line-height: 1.4;
}

p {
  color: var(--clr-text-light);
  line-height: 1.75;
}

.overline {
  font-family: var(--ff-body);
  font-size: var(--fs-overline);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--ls-ultra);
  color: var(--clr-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.overline::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--clr-accent);
}


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

.section {
  padding: var(--space-4xl) 0;
  position: relative;
}

.section--dark {
  background: linear-gradient(170deg, var(--clr-primary-deep) 0%, var(--clr-primary) 40%, var(--clr-primary-mid) 100%);
  color: var(--clr-text-on-dark);
  overflow: hidden;
}

.section--dark::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--clr-accent-glow) 0%, transparent 70%);
  opacity: 0.3;
  pointer-events: none;
}

.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--clr-white);
}

.section--dark p {
  color: var(--clr-text-on-dark);
}

.section--cream {
  background: var(--clr-cream);
}

.section--light {
  background: var(--clr-off-white);
}

.section--gold {
  background: linear-gradient(135deg, var(--clr-accent-dark) 0%, var(--clr-accent) 50%, var(--clr-accent-light) 100%);
  color: var(--clr-white);
  position: relative;
  overflow: hidden;
}

.section--gold::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 40px,
    rgba(255,255,255,0.03) 40px,
    rgba(255,255,255,0.03) 80px
  );
  pointer-events: none;
}

.section--gold h2 { color: var(--clr-white); }
.section--gold p  { color: rgba(255, 255, 255, 0.9); }


/* ===== SECTION HEADER ===== */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-3xl);
}

.section-header .overline {
  margin-bottom: var(--space-sm);
  justify-content: center;
}

.section-header h2 {
  font-size: var(--fs-h2);
  margin-bottom: var(--space-md);
}

.section-header p {
  font-size: var(--fs-body-lg);
  max-width: 520px;
  margin: 0 auto;
}

.gold-line {
  display: block;
  width: 50px;
  height: 2px;
  background: linear-gradient(90deg, var(--clr-accent), var(--clr-accent-light));
  margin: var(--space-md) auto;
  border-radius: 2px;
}


/* ===== PREMIUM SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--transition-reveal), transform var(--transition-reveal);
  will-change: opacity, transform;
}

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

.reveal--left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity var(--transition-reveal), transform var(--transition-reveal);
  will-change: opacity, transform;
}

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

.reveal--right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity var(--transition-reveal), transform var(--transition-reveal);
  will-change: opacity, transform;
}

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

.reveal--scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity var(--transition-reveal), transform var(--transition-reveal);
  will-change: opacity, transform;
}

.reveal--scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }


/* ===== PREMIUM DIVIDERS ===== */
.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--clr-border-gold), transparent);
}


/* ===== PARALLAX UTILITY ===== */
.parallax-bg {
  will-change: transform;
  transition: transform 0.1s linear;
}


/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  :root {
    --container-padding: 1.25rem;
    --navbar-height: 64px;
    --space-4xl: 4rem;
    --space-3xl: 3rem;
    --space-2xl: 2.5rem;
  }

  .section {
    padding: var(--space-3xl) 0;
  }

  .section-header {
    margin-bottom: var(--space-xl);
  }

  .section--dark::before {
    width: 300px;
    height: 300px;
    right: -30%;
    top: -30%;
  }

  .btn-group {
    flex-direction: column;
    width: 100%;
  }

  .btn-group .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  :root {
    --container-padding: 1rem;
    --space-4xl: 3.5rem;
    --space-3xl: 2.5rem;
    --space-2xl: 2rem;
    --space-xl: 2rem;
    --fs-display: clamp(2rem, 8vw, 2.8rem);
    --fs-display-sm: clamp(1.6rem, 6vw, 2.2rem);
    --fs-h1: clamp(1.6rem, 6vw, 2.2rem);
    --fs-h2: clamp(1.5rem, 5vw, 1.8rem);
    --fs-h3: clamp(1.2rem, 4vw, 1.5rem);
    --fs-body-lg: 1rem;
  }

  .section-header {
    margin-bottom: var(--space-lg);
  }

  .section-header p {
    font-size: var(--fs-body);
  }

  .btn {
    padding: 12px 24px;
    font-size: var(--fs-xs);
  }

  .btn--lg {
    padding: 14px 28px;
    font-size: var(--fs-small);
  }

  .gold-line {
    margin: var(--space-sm) auto;
  }
}