/* ==========================================================================
   STYLE.CSS — Root Variables, Reset, Typography, Layout, Buttons, Utilities
   ========================================================================== */

/* ---------- Root Variables ---------- */
:root{
  /* Brand */
  --color-primary: #FF7A1A;
  --color-primary-dark: #E85D00;
  --color-primary-light: #FFA35C;
  --color-secondary: #1656F5;
  --color-secondary-dark: #0E3FBF;
  --color-accent: #00C2FF;
  --color-brand: #FF7A1A;
  --color-brand-dark: #E85D00;

  /* Neutrals */
  --color-bg: #FFFFFF;
  --color-bg-soft: #F5F8FF;
  --color-surface: #FFFFFF;
  --color-border: #E4E9F5;
  --color-text: #101828;
  --color-text-muted: #5B6478;
  --color-text-inverse: #FFFFFF;

  /* Status */
  --color-success: #16C784;
  --color-warning: #FFB020;

  /* Typography */
  --font-heading: 'Plus Jakarta Sans', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  /* Radius & Shadow */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 8px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 8px 24px rgba(16, 24, 40, 0.08);
  --shadow-lg: 0 20px 48px rgba(16, 24, 40, 0.14);

  /* Layout */
  --container-width: 1280px;
  --header-height: 78px;
  --topbar-height: 40px;
  --announce-height: 40px;

  /* Transition */
  --ease: cubic-bezier(.4,0,.2,1);
  --transition-fast: .2s var(--ease);
  --transition-base: .35s var(--ease);
}

/* ---------- Dark theme variable overrides (toggled via [data-theme="dark"]) ---------- */
[data-theme="dark"]{
  --color-bg: #0B1120;
  --color-bg-soft: #111A2E;
  --color-surface: #131E33;
  --color-border: #223252;
  --color-text: #EEF2FF;
  --color-text-muted: #9AA6C3;
}

/* ---------- Reset ---------- */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  transition: background var(--transition-base), color var(--transition-base);
}
img{ max-width: 100%; display: block; }
a{ text-decoration: none; color: inherit; }
ul, ol{ margin: 0; padding: 0; list-style: none; }
button, input, textarea, select{ font-family: inherit; }
button{ cursor: pointer; border: none; background: none; }
h1,h2,h3,h4,h5,h6{ font-family: var(--font-heading); margin: 0; line-height: 1.2; color: var(--color-text); }
p{ margin: 0; }
:focus-visible{ outline: 2px solid var(--color-primary); outline-offset: 2px; }

/* ---------- Typography Scale ---------- */
h1, .h1{ font-size: clamp(2rem, 1.4rem + 2.4vw, 3.25rem); font-weight: 800; letter-spacing: -0.02em; }
h2, .h2{ font-size: clamp(1.6rem, 1.3rem + 1.2vw, 2.25rem); font-weight: 800; letter-spacing: -0.01em; }
h3, .h3{ font-size: 1.25rem; font-weight: 700; }
.eyebrow{
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
  color: var(--color-primary);
}
.text-muted{ color: var(--color-text-muted); }
.lead{ font-size: 1.05rem; color: var(--color-text-muted); line-height: 1.7; }

/* ---------- Container / Grid ---------- */
.container{
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: 24px;
}
.grid{ display: grid; gap: 24px; }
.grid-2{ grid-template-columns: repeat(2, 1fr); }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-4{ grid-template-columns: repeat(4, 1fr); }
.flex{ display: flex; }
.flex-center{ display: flex; align-items: center; justify-content: center; }
.flex-between{ display: flex; align-items: center; justify-content: space-between; }

.section{ padding-block: 88px; }
.section-head{ max-width: 620px; margin-bottom: 44px; }
.section-head.center{ margin-inline: auto; text-align: center; }

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 26px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: .95rem;
  white-space: nowrap;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}
.btn:active{ transform: scale(.97); }
.btn-primary{
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-md);
}
.btn-primary:hover{ box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.btn-outline{
  background: transparent;
  color: var(--color-text-inverse);
  border: 1.5px solid rgba(255,255,255,.6);
}
.btn-outline:hover{ background: rgba(255,255,255,.12); }
.btn-outline-primary{
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn-outline-primary:hover{ background: var(--color-bg-soft); }
.btn-sm{ padding: 10px 18px; font-size: .85rem; }
.btn-block{ width: 100%; }

/* ---------- Utilities ---------- */
.mt-0{margin-top:0} .mb-0{margin-bottom:0}
.text-center{ text-align: center; }
.hide-mobile{ display: initial; }
.show-mobile{ display: none; }
.badge{
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--color-bg-soft);
  color: var(--color-primary);
  font-size: .78rem; font-weight: 700;
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar{ width: 10px; height: 10px; }
::-webkit-scrollbar-track{ background: var(--color-bg-soft); }
::-webkit-scrollbar-thumb{ background: var(--color-primary-light); border-radius: var(--radius-pill); }
::-webkit-scrollbar-thumb:hover{ background: var(--color-primary); }

/* ---------- Reveal animation hook (used with animation.js) ---------- */
[data-reveal]{
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
[data-reveal].is-visible{ opacity: 1; transform: translateY(0); }

/* ---------- Loader ---------- */
.loader{
  position: fixed; inset: 0; z-index: 9999;
  background: var(--color-bg);
  display: flex; align-items: center; justify-content: center;
  transition: opacity .5s var(--ease), visibility .5s var(--ease);
}
.loader.is-hidden{ opacity: 0; visibility: hidden; pointer-events: none; }
.loader__logo{ font-family: var(--font-heading); font-weight: 800; font-size: 1.6rem; color: var(--color-primary); }
.loader__ring{
  width: 46px; height: 46px; margin-inline: auto 12px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin .8s linear infinite;
  display: inline-block;
  vertical-align: middle;
}
@keyframes spin{ to{ transform: rotate(360deg); } }