/* ============================================
   NaPo Solutions - Landing Page Styles
   Refined theme · B2B Industrial · Modern
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,wght@0,400;0,500;0,600;0,700&family=Space+Grotesk:wght@500;600;700&display=swap');

/* --- Variables --- */
:root {
  --color-primary: #0891B2;
  --color-primary-dark: #0E7490;
  --color-primary-light: #ECFEFF;
  --color-primary-glow: rgba(8,145,178,.25);
  --color-accent: #F59E0B;
  --color-accent-dark: #D97706;
  --color-accent-light: #FEF3C7;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F1F5F9;
  --color-bg-warm: #FAFBFC;
  --color-bg-dark: #0C1222;
  --color-bg-dark-2: #151D2E;
  --color-text: #0F172A;
  --color-text-muted: #475569;
  --color-text-light: #64748B;
  --color-text-white: #FFFFFF;
  --color-border: #E2E8F0;
  --color-border-light: #F1F5F9;
  --color-success: #10B981;
  --color-error: #EF4444;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-width: 1200px;
  --header-height: 72px;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 20px;
  --shadow: 0 1px 3px rgba(0,0,0,.04), 0 4px 12px rgba(0,0,0,.03);
  --shadow-lg: 0 8px 30px rgba(0,0,0,.06);
  --shadow-card: 0 4px 12px rgba(0,0,0,.04), 0 2px 6px rgba(0,0,0,.02);
  --shadow-card-hover: 0 24px 48px -12px rgba(8,145,178,.2), 0 12px 24px -8px rgba(0,0,0,.08);
  --transition: .35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Skip link --- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 24px;
  z-index: 9999;
  padding: 12px 20px;
  background: var(--color-primary);
  color: var(--color-text-white);
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: top .2s ease;
}
.skip-link:focus {
  top: 24px;
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-height); }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-dark); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* --- Utility --- */
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section--alt {
  background: linear-gradient(180deg, var(--color-bg-warm) 0%, var(--color-bg-alt) 100%);
  position: relative;
}
.section--alt::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-light), transparent);
  opacity: .8;
}
.section-label {
  font-family: var(--font-heading);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 10px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.section-label::before {
  content: '';
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
  border-radius: 1px;
}
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.85rem, 4.5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: 18px;
}
.section-subtitle {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  max-width: 640px;
}
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Icon helper */
.ico {
  display: inline-flex;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}
.ico--lg { width: 40px; height: 40px; }
.ico--xl { width: 48px; height: 48px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: .95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  justify-content: center;
}
.btn--primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-text-white);
  box-shadow: 0 4px 14px rgba(8,145,178,.3);
}
.btn--primary:hover {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, #0c5a6e 100%);
  color: var(--color-text-white);
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 28px -4px rgba(8,145,178,.4);
}
.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-text-white);
}
.btn--ghost {
  background: rgba(255,255,255,.12);
  color: var(--color-text-white);
  border: 1px solid rgba(255,255,255,.35);
  backdrop-filter: blur(4px);
}
.btn--ghost:hover {
  background: rgba(255,255,255,.25);
  color: var(--color-text-white);
  border-color: rgba(255,255,255,.5);
  transform: translateY(-1px);
}
.btn--sm {
  padding: 8px 18px;
  font-size: .85rem;
}
.btn--white {
  background: rgba(255,255,255,.98);
  color: var(--color-primary);
  box-shadow: 0 4px 14px rgba(0,0,0,.15);
  border: 1px solid rgba(255,255,255,.3);
}
.btn--white:hover {
  background: #fff;
  color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0,0,0,.25);
}

/* ============================================
   HEADER
   ============================================ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-height);
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(226,232,240,.6);
  z-index: 1000;
  transition: all var(--transition);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.header__logo-img {
  height: 38px;
  width: auto;
  display: block;
  transition: transform var(--transition);
}
.header__logo:hover .header__logo-img { transform: scale(1.05); }
.header__logo span { color: var(--color-primary); }
.header__nav { display: flex; align-items: center; gap: 32px; }
.header__nav a {
  position: relative;
  font-size: .9rem;
  font-weight: 500;
  color: var(--color-text-light);
  transition: color var(--transition);
}
.header__nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition);
}
.header__nav a:hover::after { width: 100%; }
.header__nav a:hover { color: var(--color-primary); }
.header__actions { display: flex; align-items: center; gap: 12px; }
.header__lang {
  font-size: .85rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  transition: all var(--transition);
}
.header__lang:hover {
  background: var(--color-border-light);
  color: var(--color-text);
}

/* Mobile menu toggle */
.header__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
  padding: 8px;
}

/* Mobile nav */
@media (max-width: 768px) {
  .header__toggle { display: flex; }
  .header__nav {
    position: fixed;
    top: var(--header-height);
    left: 0; right: 0; bottom: 0;
    flex-direction: column;
    background: rgba(255,255,255,.98);
    backdrop-filter: blur(16px);
    padding: 32px 24px;
    gap: 24px;
    transform: translateX(100%);
    transition: transform .3s ease;
  }
  .header__nav.is-open { transform: translateX(0); }
  .header__nav a { font-size: 1.1rem; }
  .header__cta-desktop { display: none; }
}
@media (min-width: 769px) {
  .header__cta-mobile { display: none; }
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + 48px);
  padding-bottom: 80px;
  background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-bg-dark-2) 50%, #1a2d4a 100%);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../assets/images/hero-bg.jpg') center/cover no-repeat;
  background: url('../assets/images/hero-bg.webp') center/cover no-repeat;
  opacity: .18;
}
@media (max-width: 768px) {
  .hero::before {
    background: url('../assets/images/hero-bg-mobile.webp') center/cover no-repeat;
  }
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 160px;
  background: linear-gradient(to top, var(--color-bg) 0%, rgba(255,255,255,.6) 40%, transparent 100%);
  z-index: 1;
}
.hero__content::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, var(--color-primary-glow) 0%, transparent 70%);
  pointer-events: none;
  opacity: .4;
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}
.hero__headline {
  font-family: var(--font-heading);
  font-size: clamp(2.1rem, 5.5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.12;
  color: var(--color-text-white);
  margin-bottom: 24px;
  text-shadow: 0 2px 24px rgba(0,0,0,.25);
}
.hero__sub {
  font-size: 1.15rem;
  line-height: 1.7;
  color: rgba(255,255,255,.8);
  margin-bottom: 32px;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}
.hero__note {
  font-size: .9rem;
  color: rgba(255,255,255,.55);
  font-style: italic;
}
.hero__proof {
  font-size: .85rem;
  color: rgba(255,255,255,.7);
  margin-top: 16px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.hero__proof::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-accent);
}

/* ============================================
   PROBLEMS
   ============================================ */
.problems__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 40px;
}
.problem-card {
  display: flex;
  gap: 18px;
  padding: 28px;
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  transition: all var(--transition);
  box-shadow: var(--shadow-card);
}
.problem-card:hover {
  border-color: rgba(8,145,178,.3);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
}
.problem-card__icon {
  color: var(--color-error);
  flex-shrink: 0;
  margin-top: 2px;
}
.problem-card__text {
  font-size: .95rem;
  color: var(--color-text);
  line-height: 1.55;
}

/* ============================================
   SOLUTIONS
   ============================================ */
.solutions__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
  margin-top: 40px;
}
.sol-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  box-shadow: var(--shadow-card);
}
.sol-card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(8,145,178,.25);
  transform: translateY(-5px);
}
.sol-card--featured {
  border-color: rgba(245,158,11,.25);
  border-width: 2px;
  box-shadow: 0 8px 24px rgba(245,158,11,.1);
}
.sol-card--featured:hover {
  box-shadow: 0 16px 40px rgba(245,158,11,.15);
}
.sol-card__img {
  width: 100%;
  height: 220px;
  background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-bg-warm) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: .85rem;
  overflow: hidden;
}
.sol-card__img img { width: 100%; height: 100%; object-fit: cover; }
.sol-card__body { padding: 24px; }
.sol-card__badge {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--color-accent-light), #FDE68A);
  color: var(--color-accent-dark);
  padding: 4px 12px;
  border-radius: 99px;
  margin-bottom: 10px;
  border: 1px solid rgba(245,158,11,.2);
}
.sol-card__title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text);
}
.sol-card__desc {
  font-size: .92rem;
  color: var(--color-text-light);
  margin-bottom: 14px;
  line-height: 1.55;
}
.sol-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.sol-card__tag {
  font-size: .75rem;
  font-weight: 500;
  padding: 4px 10px;
  background: var(--color-bg-alt);
  border-radius: 99px;
  color: var(--color-text-light);
}

/* ============================================
   DEPLOYMENT
   ============================================ */
.deploy__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 40px;
}
.deploy-card {
  text-align: center;
  padding: 44px 32px;
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  transition: all var(--transition);
  box-shadow: var(--shadow-card);
}
.deploy-card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(8,145,178,.25);
  transform: translateY(-4px);
}
.deploy-card__icon {
  color: var(--color-primary);
  margin-bottom: 20px;
  filter: drop-shadow(0 2px 4px rgba(8,145,178,.15));
}
.deploy-card__title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.deploy-card__desc {
  font-size: .92rem;
  color: var(--color-text-light);
  line-height: 1.55;
}

/* ============================================
   WHY
   ============================================ */
.why__list {
  margin-top: 40px;
  display: grid;
  gap: 16px;
  max-width: 720px;
}
.why-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 20px 24px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: all var(--transition);
}
.why-item:hover {
  border-color: var(--color-border-light);
  box-shadow: var(--shadow-card);
}
.why-item__icon {
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}
.why-item__text {
  font-size: 1rem;
  line-height: 1.6;
}

/* ============================================
   PROCESS
   ============================================ */
.process__steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  margin-top: 40px;
  position: relative;
}
.process-step {
  text-align: center;
  padding: 36px 24px;
  position: relative;
  background: var(--color-bg);
  border-radius: var(--radius);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition);
}
.process-step:hover {
  box-shadow: var(--shadow-card);
  border-color: rgba(8,145,178,.15);
}
.process-step__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, #CFFAFE 100%);
  color: var(--color-primary);
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(8,145,178,.12);
}
.process-step__num {
  position: absolute;
  top: 20px;
  right: 20px;
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: rgba(245,158,11,.25);
  line-height: 1;
}
.process-step__title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.process-step__desc {
  font-size: .9rem;
  color: var(--color-text-light);
}
.process__timeline {
  text-align: center;
  margin-top: 24px;
  font-size: .9rem;
  color: var(--color-text-light);
  font-style: italic;
}

/* ============================================
   CONTACT
   ============================================ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 40px;
  align-items: start;
}
@media (max-width: 768px) {
  .contact__grid { grid-template-columns: 1fr; gap: 32px; }
}
.contact-info__item {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 20px;
}
.contact-info__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-primary-light) 0%, #CFFAFE 100%);
  color: var(--color-primary);
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(8,145,178,.1);
}
.contact-info__label {
  font-size: .82rem;
  color: var(--color-text-light);
  margin-bottom: 2px;
}
.contact-info__value {
  font-weight: 600;
  font-size: .95rem;
  color: var(--color-text);
}
.contact-info__value a { color: var(--color-text); }
.contact-info__value a:hover { color: var(--color-primary); }
.contact-info__socials {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}
.contact-info__social {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: .85rem;
  font-weight: 600;
  transition: all var(--transition);
}
.contact-info__social--zalo {
  background: #E8F5FE;
  color: #0068FF;
}
.contact-info__social--zalo:hover { background: #D0ECFE; color: #0050CC; }
.contact-info__social--whatsapp {
  background: #E8F8E8;
  color: #25D366;
}
.contact-info__social--whatsapp:hover { background: #D4F2D4; color: #1DA851; }

.contact-info__sla {
  margin-top: 20px;
  padding: 14px 18px;
  background: var(--color-primary-light);
  border-radius: var(--radius-sm);
  font-size: .88rem;
  color: var(--color-primary-dark);
  font-weight: 500;
}
.contact__cta-box {
  background: linear-gradient(180deg, var(--color-bg-warm) 0%, var(--color-bg) 100%);
  border: 1px solid var(--color-border-light);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius);
  padding: 44px 36px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: all var(--transition);
}
.contact__cta-box:hover {
  box-shadow: var(--shadow-card-hover);
  border-left-color: var(--color-primary);
}
.contact__cta-box p {
  margin-top: 16px;
  font-size: .9rem;
  color: var(--color-text-light);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: linear-gradient(180deg, var(--color-bg-dark) 0%, #080d14 100%);
  color: rgba(255,255,255,.65);
  padding: 56px 0;
  text-align: center;
  font-size: .85rem;
  border-top: 1px solid rgba(255,255,255,.08);
}
.footer__brand {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-white);
  margin-bottom: 8px;
}
.footer__brand span { color: var(--color-primary); }
.footer__legal { margin-top: 4px; font-size: .78rem; }
.footer__privacy { margin-top: 8px; }
.footer__privacy a { color: rgba(255,255,255,.5); font-size: .78rem; }
.footer__privacy a:hover { color: var(--color-primary); }
.footer__home { margin-top: 4px; }
.footer__home a { color: rgba(255,255,255,.5); font-size: .78rem; }
.footer__home a:hover { color: var(--color-primary); }

/* ============================================
   CONTACT FORM PAGE
   ============================================ */
.form-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--header-height) + 40px) 24px 60px;
}
.form-wrap {
  width: 100%;
  max-width: 580px;
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 52px 44px;
  box-shadow: var(--shadow-lg);
}
@media (max-width: 640px) {
  .form-wrap { padding: 32px 20px; }
}
.form-wrap__title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}
.form-wrap__intro {
  font-size: .95rem;
  color: var(--color-text-light);
  margin-bottom: 32px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: .88rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: .95rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border var(--transition);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(8,145,178,.1);
}
.form-group--error input,
.form-group--error textarea,
.form-group--error select {
  border-color: var(--color-error);
  box-shadow: 0 0 0 2px rgba(239,68,68,.15);
}
.form-group textarea { resize: vertical; min-height: 120px; }

/* Checkbox group for interest */
.checkbox-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
@media (max-width: 480px) {
  .checkbox-group { grid-template-columns: 1fr; }
}
.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 400;
  font-size: .88rem;
  cursor: pointer;
  padding: 12px 16px;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  background: var(--color-bg);
}
.checkbox-group label:hover {
  border-color: rgba(8,145,178,.4);
  background: var(--color-primary-light);
}
.checkbox-group input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
}
.checkbox-group--error {
  border: 2px solid var(--color-error);
  border-radius: var(--radius-sm);
  padding: 8px;
}

/* Button loading state */
.btn--loading {
  pointer-events: none;
  opacity: .8;
}
.btn--loading::after {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  margin-left: 8px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin .6s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Honeypot */
.ohnohoney { position: absolute; left: -9999px; }

/* Messages */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: .92rem;
  font-weight: 500;
  margin-bottom: 24px;
}
.alert--success {
  background: #D1FAE5;
  color: #065F46;
  border: 1px solid #A7F3D0;
}
.alert--error {
  background: #FEE2E2;
  color: #991B1B;
  border: 1px solid #FECACA;
}

.form-wrap__back {
  display: inline-block;
  margin-top: 20px;
  font-size: .9rem;
  color: var(--color-text-light);
}
.form-wrap__back:hover { color: var(--color-primary); }

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate-in {
  opacity: 0;
  animation: fadeInUp .7s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}
.animate-in:nth-child(2) { animation-delay: .08s; }
.animate-in:nth-child(3) { animation-delay: .16s; }
.animate-in:nth-child(4) { animation-delay: .24s; }
.animate-in:nth-child(5) { animation-delay: .32s; }
.animate-in:nth-child(6) { animation-delay: .4s; }