/* ============================================================
   SG SUPPLIERS — BASE STYLES
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text-primary);
  background: var(--color-surface-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, textarea, select { font-family: inherit; }
ul, ol { list-style: none; }

/* ── SKIP LINK (Accessibility) ───────────────── */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: var(--z-toast);
  background: var(--color-brand-secondary);
  color: var(--color-brand-primary);
  padding: var(--space-3) var(--space-6);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  font-weight: 600;
  font-size: var(--text-sm);
  transition: top var(--duration-normal) var(--ease-standard);
}
.skip-link:focus { top: 0; }

/* ── TYPOGRAPHY ──────────────────────────────── */
.font-display { font-family: var(--font-display); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
}

/* ── CONTAINER ───────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

@media (min-width: 640px)  { .container { padding-inline: var(--space-8); } }
@media (min-width: 1024px) { .container { padding-inline: var(--space-12); } }

/* ── SECTION LABEL ───────────────────────────── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--prim-sky-600);
}
.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--prim-sky-600);
  border-radius: 2px;
}

/* ── GOLD DIVIDER ────────────────────────────── */
.gold-divider {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--prim-sky-500), var(--prim-sky-700));
  border-radius: 99px;
}

/* ── BUTTONS ─────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: var(--btn-height-md);
  padding: var(--btn-padding-md);
  border-radius: var(--btn-radius);
  font-size: var(--text-sm);
  font-weight: var(--btn-font-weight);
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition:
    background var(--duration-normal) var(--ease-standard),
    color var(--duration-normal) var(--ease-standard),
    transform var(--duration-fast) var(--ease-standard),
    box-shadow var(--duration-normal) var(--ease-standard);
  position: relative;
  overflow: hidden;
}
.btn:focus-visible {
  outline: 2px solid var(--color-brand-secondary);
  outline-offset: 2px;
}
.btn:active:not(:disabled) { transform: scale(0.97); }

/* Ripple effect */
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: white;
  opacity: 0;
  transition: opacity var(--duration-fast);
}
.btn:active::after { opacity: 0.08; }

.btn-primary {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
}
.btn-primary:hover {
  background: var(--btn-primary-hover);
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

.btn-accent {
  background: var(--btn-accent-bg);
  color: var(--btn-accent-text);
}
.btn-accent:hover {
  background: var(--btn-accent-hover);
  box-shadow: var(--shadow-blue);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--prim-white);
  border: 1.5px solid rgba(255,255,255,0.4);
}
.btn-outline:hover {
  border-color: rgba(255,255,255,0.8);
  background: rgba(255,255,255,0.08);
}

.btn-ghost-dark {
  background: transparent;
  color: var(--color-brand-primary);
  border: 1.5px solid var(--color-border-strong);
}
.btn-ghost-dark:hover {
  border-color: var(--color-brand-primary);
  background: var(--prim-gray-50);
}

.btn-lg {
  height: var(--btn-height-lg);
  padding: var(--btn-padding-lg);
  font-size: var(--text-base);
}

/* ── CARDS ───────────────────────────────────── */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  box-shadow: var(--card-shadow);
  transition:
    transform var(--duration-slow) var(--ease-spring),
    box-shadow var(--duration-slow) var(--ease-standard);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-shadow-hover);
}

/* ── FORM INPUTS ─────────────────────────────── */
.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}
.form-input {
  width: 100%;
  height: 3rem;
  padding: 0 var(--space-4);
  border: 1.5px solid var(--color-border-default);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  color: var(--color-text-primary);
  background: var(--color-surface-base);
  transition:
    border-color var(--duration-normal) var(--ease-standard),
    box-shadow var(--duration-normal) var(--ease-standard);
  outline: none;
}
.form-input:focus {
  border-color: var(--color-brand-primary);
  box-shadow: 0 0 0 3px rgba(55,138,221,0.15);
}
.form-input.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(239,68,68,0.08);
}
.form-input.valid {
  border-color: var(--color-success);
}
textarea.form-input {
  height: auto;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
  resize: vertical;
  min-height: 120px;
}

/* ── BADGE ───────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
}
.badge-navy {
  background: var(--color-brand-primary);
  color: var(--prim-sky-500);
}
.badge-gold {
  background: rgba(55,138,221,0.10);
  color: var(--prim-sky-800);
  border: 1px solid rgba(55,138,221,0.25);
}

/* ── SCROLL ANIMATIONS ───────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(32px);
  transition:
    opacity var(--duration-slower) var(--ease-decelerate),
    transform var(--duration-slower) var(--ease-decelerate);
}
[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal="left"] { transform: translateX(-32px); }
[data-reveal="left"].revealed { transform: translateX(0); }
[data-reveal="right"] { transform: translateX(32px); }
[data-reveal="right"].revealed { transform: translateX(0); }
[data-reveal="scale"] { transform: scale(0.92); }
[data-reveal="scale"].revealed { transform: scale(1); }

/* Stagger delays */
[data-delay="100"] { transition-delay: 100ms; }
[data-delay="200"] { transition-delay: 200ms; }
[data-delay="300"] { transition-delay: 300ms; }
[data-delay="400"] { transition-delay: 400ms; }
[data-delay="500"] { transition-delay: 500ms; }
[data-delay="600"] { transition-delay: 600ms; }

/* ── CURSOR GLOW ─────────────────────────────── */
.cursor-glow {
  pointer-events: none;
  position: fixed;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(55,138,221,0.08) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  z-index: 0;
  transition: opacity 0.3s;
}

/* ── SCROLLBAR ───────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--prim-gray-300);
  border-radius: 99px;
}
::-webkit-scrollbar-thumb:hover { background: var(--prim-gray-400); }

/* ── SELECTION ───────────────────────────────── */
::selection {
  background: rgba(55,138,221,0.2);
  color: var(--color-text-primary);
}

/* ── UTILITIES ───────────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}
.text-gradient {
  background: linear-gradient(135deg, var(--prim-sky-300) 0%, var(--prim-sky-500) 50%, var(--prim-sky-300) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.bg-noise {
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
}