/* DATVE.NET — brand system */
@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700&family=Sora:wght@600;700;800&display=swap');

:root {
  /* Logo palette: forest green + bright orange */
  --hpk-ink: #0b1f14;
  --hpk-deep: #14532d;
  --hpk-teal: #1f7a3a;
  --hpk-coral: #f28c1d;
  --hpk-coral-deep: #e06a00;
  --hpk-gold: #ffb347;
  --hpk-mist: #eaf6ee;
  --hpk-snow: #f7fbf8;
  --hpk-line: rgba(11, 31, 20, 0.12);
  --hpk-shadow: 0 18px 40px rgba(11, 31, 20, 0.14);
  --hpk-radius: 18px;
  --font-display: 'Sora', 'Be Vietnam Pro', sans-serif;
  --font-body: 'Be Vietnam Pro', sans-serif;

  /* legacy aliases used across pages */
  --color-1: var(--hpk-snow);
  --color-2: var(--hpk-mist);
  --color-3: var(--hpk-teal);
  --color-4: var(--hpk-ink);
  --color--primary: var(--hpk-ink);
  --color--secondary: var(--hpk-coral);
  --color--tertiary: var(--hpk-mist);
  --color--quaternary: var(--hpk-snow);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--hpk-ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(31, 122, 58, 0.16), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(242, 140, 29, 0.14), transparent 50%),
    linear-gradient(180deg, var(--hpk-snow) 0%, #eef6f0 100%);
  min-height: 100vh;
}

h1, h2, h3, .brand-display {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

a {
  text-decoration: none;
}

.text-4 {
  color: var(--hpk-ink);
  font-weight: 700;
}

.text-3 {
  color: var(--hpk-deep);
  font-weight: 700;
}

.btn-hpk {
  background: linear-gradient(135deg, var(--hpk-coral) 0%, var(--hpk-coral-deep) 100%);
  color: #fff !important;
  border: none;
  font-weight: 700;
  border-radius: 14px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
  box-shadow: 0 10px 24px rgba(224, 106, 0, 0.28);
}

.btn-hpk:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
  color: #fff !important;
}

.btn-hpk-outline {
  background: transparent;
  color: var(--hpk-ink) !important;
  border: 2px solid var(--hpk-ink);
  font-weight: 700;
  border-radius: 14px;
}

/* Shared logo sizing */
.brand-logo-img {
  width: auto;
  object-fit: contain;
  display: block;
}

.brand-logo-img--nav {
  height: 52px;
  max-width: min(220px, 58vw);
}

.brand-logo-img--footer {
  height: 88px;
  max-width: 260px;
  border-radius: 12px;
}

.brand-logo-img--hero {
  height: clamp(88px, 16vw, 140px);
  max-width: min(420px, 92vw);
  filter: drop-shadow(0 10px 28px rgba(0, 0, 0, 0.35));
}

.brand-logo-img--admin {
  height: 44px;
  max-width: 180px;
}

.brand-logo-img--mini {
  height: 36px;
  width: 36px;
  object-fit: cover;
  border-radius: 8px;
}

.brand-logo-img--auth {
  height: 96px;
  max-width: 280px;
  margin: 0 auto;
}

.brand-logo-img--about {
  width: 280px;
  max-width: 100%;
  height: auto;
  border-radius: 16px;
}

@keyframes hpkFadeUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes hpkPulseSoft {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}