/* ============================================================
   BASE.CSS — CSS Variables, Reset, Typography
   MMT Alliance
   ============================================================ */

:root {
  --navy:          #0a1f44;
  --navy-mid:      #122954;
  --navy-light:    #1a3a6e;
  --slate:         #4a6080;
  --slate-light:   #8fa3bd;
  --accent:        #c8a84b;
  --accent-light:  #e8c96a;

  /* Neutrals */
  --white:         #ffffff;
  --off-white:     #f8f9fb;
  --surface:       #f0f3f8;
  --border:        #dde4ed;
  --border-dark:   #b8c7da;
  --text-primary:  #0a1f44;
  --text-body:     #2d3e55;
  --text-muted:    #5a7090;
  --text-light:    #8fa3bd;

  /* Spacing */
  --space-xs:  0.375rem;
  --space-sm:  0.75rem;
  --space-md:  1.25rem;
  --space-lg:  2rem;
  --space-xl:  3.5rem;
  --space-2xl: 6rem;

  /* Layout */
  --max-width:       1280px;
  --content-width:   1100px;
  --nav-height:      76px;
  --section-pad:     5rem;

  /* Typography */
  --font-heading: 'Aptos', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-body:    'Aptos', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;

  /* Radii */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   14px;
  --radius-xl:   24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:   0 2px 8px rgba(10,31,68,0.08);
  --shadow-md:   0 6px 24px rgba(10,31,68,0.12);
  --shadow-lg:   0 16px 48px rgba(10,31,68,0.16);
  --shadow-xl:   0 32px 80px rgba(10,31,68,0.20);

  /* Transitions */
  --ease-out:    cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration:    300ms;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-body);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

ul { list-style: none; }

address { font-style: normal; }

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* ---- Typography Scale ---- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.15rem; }

p {
  font-size: 1rem;
  color: var(--text-body);
  line-height: 1.7;
  max-width: 68ch;
}

strong { font-weight: 600; }

/* ---- Layout Utilities ---- */
.container {
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--section-pad) 0;
}

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

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

.section--navy h1,
.section--navy h2,
.section--navy h3,
.section--navy h4 { color: var(--white); }
.section--navy p { color: rgba(255,255,255,0.82); }

/* ---- Focus Styles ---- */
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ---- Divider ---- */
.divider {
  width: 56px;
  height: 3px;
  background: var(--accent);
  border-radius: var(--radius-full);
  margin: var(--space-md) 0 var(--space-lg);
}

/* ---- Section Label ---- */
.section-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #122954;
  display: block;
  margin-bottom: var(--space-sm);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: background var(--duration) var(--ease-out),
              color var(--duration) var(--ease-out),
              transform var(--duration) var(--ease-out),
              box-shadow var(--duration) var(--ease-out);
  cursor: pointer;
  border: 2px solid transparent;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: var(--navy);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline:hover {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-1px);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--white);
}

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ---- Tag / Pill ---- */
.tag {
  display: inline-block;
  padding: 0.2rem 0.7rem;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--surface);
  color: var(--navy);
  border: 1px solid var(--border);
}

/* ---- Page Transitions ---- */
#page-content {
  flex: 1;
  opacity: 1;
  transition: opacity 0.2s ease;
}
#page-content.fading {
  opacity: 0;
}

/* ---- Scroll Reveal — ALWAYS VISIBLE, animate in on scroll ---- */
.reveal {
  opacity: 1;
  transform: none;
}

/* Only animate if JS explicitly enabled it AND user has no motion preference */
@media (prefers-reduced-motion: no-preference) {
  body.js-ready .reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.55s var(--ease-out), transform 0.55s var(--ease-out);
  }
  body.js-ready .reveal.visible {
    opacity: 1;
    transform: none;
  }
}

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }