/* DaHelp24 Landing — style.css */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue: #2563EB;
  --blue-dark: #1D4ED8;
  --blue-light: #EFF6FF;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-400: #9CA3AF;
  --gray-600: #4B5563;
  --gray-800: #1F2937;
  --gray-900: #111827;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 4px 16px rgba(0,0,0,.06);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.1);
}

html { scroll-behavior: smooth; }
body { font-family: 'Inter', system-ui, sans-serif; color: var(--gray-800); background: #fff; line-height: 1.6; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
a { text-decoration: none; color: inherit; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 22px; border-radius: 8px; font-weight: 500; font-size: .95rem; cursor: pointer; transition: all .2s; border: none; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(37,99,235,.3); }
.btn-outline { background: transparent; color: var(--blue); border: 2px solid var(--blue); }
.btn-outline:hover { background: var(--blue-light); }
.btn-lg { padding: 14px 28px; font-size: 1rem; }

/* Header */
.header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.95); backdrop-filter: blur(8px); border-bottom: 1px solid var(--gray-100); }
.header .container { display: flex; align-items: center; gap: 32px; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 1.1rem; color: var(--gray-900); }
.logo strong { color: var(--blue); }
.nav { display: flex; gap: 28px; margin-left: auto; }
.nav a { font-size: .9rem; color: var(--gray-600); font-weight: 500; transition: color .2s; }
.nav a:hover { color: var(--blue); }

/* Hero */
.hero { padding: 80px 0; background: linear-gradient(135deg, #EFF6FF 0%, #F0F9FF 50%, #fff 100%); }
.hero .container { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.badge { display: inline-block; background: var(--blue-light); color: var(--blue); font-size: .8rem; font-weight: 600; padding: 4px 12px; border-radius: 100px; margin-bottom: 20px; letter-spacing: .5px; text-transform: uppercase; }
.hero h1 { font-size: 3rem; font-weight: 700; line-height: 1.15; color: var(--gray-900); margin-bottom: 20px; }
.hero h1 .accent { color: var(--blue); }
.hero-desc { color: var(--gray-600); font-size: 1.1rem; margin-bottom: 32px; max-width: 460px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-visual { display: flex; flex-direction: column; gap: 16px; }
.hero-card { display: flex; align-items: center; gap: 16px; background: #fff; border-radius: var(--radius); padding: 20px 24px; box-shadow: var(--shadow); }
.card-icon { font-size: 2rem; }
.card-text { line-height: 1.4; }
.card-text small { color: var(--gray-600); font-size: .85rem; }

/* Section header */
.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 { font-size: 2rem; font-weight: 700; color: var(--gray-900); margin-bottom: 12px; }
.section-header p { color: var(--gray-600); font-size: 1.05rem; }

/* Services */
.services { padding: 80px 0; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card { background: var(--gray-50); border-radius: var(--radius); padding: 32px 28px; transition: all .2s; border: 1px solid transparent; }
.service-card:hover { box-shadow: var(--shadow-lg); border-color: var(--blue-light); transform: translateY(-2px); }
.service-icon { font-size: 2.5rem; margin-bottom: 16px; }
.service-card h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 10px; color: var(--gray-900); }
.service-card p { color: var(--gray-600); font-size: .9rem; line-height: 1.6; }

/* Stats */
.stats { padding: 60px 0; background: var(--blue); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.stat-number { font-size: 2.5rem; font-weight: 700; color: #fff; }
.stat-label { color: rgba(255,255,255,.75); font-size: .9rem; margin-top: 4px; }

/* About */
.about { padding: 80px 0; }
.about-content { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-text h2 { font-size: 2rem; font-weight: 700; margin-bottom: 20px; color: var(--gray-900); }
.about-text p { color: var(--gray-600); margin-bottom: 16px; line-height: 1.7; }
.about-list { list-style: none; margin-top: 24px; display: flex; flex-direction: column; gap: 10px; }
.about-list li { font-size: .95rem; color: var(--gray-700); }
.about-placeholder { background: var(--blue-light); border-radius: 20px; height: 320px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; }
.ap-icon { font-size: 5rem; }
.ap-text { font-size: 1.5rem; font-weight: 700; color: var(--blue); }

/* Contacts */
.contacts { padding: 80px 0; background: var(--gray-50); }
.contacts-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.contact-card { background: #fff; border-radius: var(--radius); padding: 28px; text-align: center; box-shadow: var(--shadow); }
.contact-icon { font-size: 2rem; margin-bottom: 12px; }
.contact-label { font-size: .8rem; color: var(--gray-400); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 8px; }
.contact-value { font-size: .95rem; font-weight: 500; color: var(--gray-800); }

/* Footer */
.footer { padding: 32px 0; border-top: 1px solid var(--gray-100); }
.footer-content { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-text { font-size: .85rem; color: var(--gray-400); }
.footer-links a { font-size: .85rem; color: var(--gray-400); }
.footer-links a:hover { color: var(--blue); }

/* Responsive */
@media (max-width: 900px) {
  .hero .container, .about-content { grid-template-columns: 1fr; gap: 40px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid, .contacts-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 2.2rem; }
  .nav { display: none; }
}
@media (max-width: 600px) {
  .services-grid, .stats-grid, .contacts-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.8rem; }
  .footer-content { flex-direction: column; text-align: center; }
}