/* ============================================
   GLOBAL STYLES - DM Sans Digital Marketing
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,300;1,9..40,400&display=swap');

/* ── CSS Variables ── */
:root {
  --clr-bg: #f9f9f7;
  --clr-surface: #ffffff;
  --clr-surface-alt: #f3f3f0;
  --clr-border: #e8e8e4;
  --clr-text: #111110;
  --clr-muted: #6b6b67;
  --clr-accent: #0a5cf5;
  --clr-accent-dark: #0040c8;
  --clr-accent-light: #e8efff;
  --clr-dark: #111110;
  --clr-dark-surface: #1a1a18;
  --clr-green: #16a34a;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.10), 0 4px 12px rgba(0,0,0,0.05);
  --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  --max-w: 1160px;
  --nav-h: 68px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ── Typography ── */
h1, h2, h3, h4, h5 { line-height: 1.2; font-weight: 700; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.1rem; }
p { color: var(--clr-muted); line-height: 1.75; }

/* ── Layout Helpers ── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.text-center { text-align: center; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 100px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: var(--clr-accent);
  color: #fff;
  border: 1.5px solid var(--clr-accent);
}
.btn-primary:hover {
  background: var(--clr-accent-dark);
  border-color: var(--clr-accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(10,92,245,0.28);
}
.btn-outline {
  background: transparent;
  color: var(--clr-text);
  border: 1.5px solid var(--clr-border);
}
.btn-outline:hover {
  border-color: var(--clr-text);
  background: var(--clr-text);
  color: #fff;
  transform: translateY(-1px);
}
.btn-dark {
  background: var(--clr-dark);
  color: #fff;
  border: 1.5px solid var(--clr-dark);
}
.btn-dark:hover {
  background: #333;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* ── Tag / Badge ── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.tag-accent { background: var(--clr-accent-light); color: var(--clr-accent); }
.tag-dark { background: var(--clr-dark); color: #fff; }
.tag-green { background: #dcfce7; color: var(--clr-green); }

/* ── Section Label ── */
.section-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 14px;
}
.section-intro { max-width: 560px; margin: 0 auto 56px; text-align: center; }
.section-intro h2 { margin-bottom: 14px; }
.section-intro p { font-size: 1.05rem; }

/* ── Card ── */
.card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: transparent;
}

/* ── Stat Box ── */
.stat-box {
  text-align: center;
  padding: 28px 20px;
  border-radius: var(--radius-md);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
}
.stat-box .stat-num {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--clr-accent);
  letter-spacing: -0.03em;
}
.stat-box .stat-label { font-size: 0.9rem; color: var(--clr-muted); margin-top: 4px; }

/* ── Icon Box ── */
.icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
  background: var(--clr-accent-light);
}

/* ── Divider ── */
.divider { border: none; border-top: 1px solid var(--clr-border); margin: 0; }

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(249,249,247,0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--clr-border);
  height: var(--nav-h);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
}
.nav-logo {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--clr-text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-logo span { color: var(--clr-accent); }
.nav-logo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--clr-accent);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a {
  padding: 8px 14px;
  border-radius: 100px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--clr-muted);
  transition: all var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--clr-text);
  background: var(--clr-surface-alt);
}
.nav-cta { margin-left: 8px; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* Mobile nav */
.nav-mobile {
  display: none;
  position: fixed;
  inset: var(--nav-h) 0 0 0;
  background: var(--clr-bg);
  z-index: 99;
  flex-direction: column;
  padding: 24px;
  gap: 8px;
  overflow-y: auto;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--clr-text);
  border-bottom: 1px solid var(--clr-border);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--clr-dark);
  color: #fff;
  padding: 72px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}
.footer-brand p { color: rgba(255,255,255,0.55); font-size: 0.93rem; margin-top: 14px; line-height: 1.7; }
.footer-col h5 {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: 18px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
  font-size: 0.93rem;
  color: rgba(255,255,255,0.7);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { color: rgba(255,255,255,0.45); font-size: 0.88rem; }
.social-links { display: flex; gap: 10px; }
.social-link {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  transition: all var(--transition);
  cursor: pointer;
}
.social-link:hover { background: var(--clr-accent); color: #fff; }

/* ============================================
   PAGE HERO (reusable inner pages)
   ============================================ */
.page-hero {
  background: var(--clr-dark);
  color: #fff;
  padding: 80px 0 72px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 70% 50%, rgba(10,92,245,0.18) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero .container { position: relative; }
.page-hero .tag { margin-bottom: 18px; }
.page-hero h1 { color: #fff; margin-bottom: 18px; }
.page-hero p { color: rgba(255,255,255,0.65); font-size: 1.1rem; max-width: 520px; }
.page-hero .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.45);
}
.page-hero .breadcrumb a { color: rgba(255,255,255,0.6); transition: color var(--transition); }
.page-hero .breadcrumb a:hover { color: #fff; }
.page-hero .breadcrumb span { color: rgba(255,255,255,0.25); }

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.6; }
}
.anim-fade-up { animation: fadeUp 0.6s ease both; }
.anim-delay-1 { animation-delay: 0.1s; }
.anim-delay-2 { animation-delay: 0.2s; }
.anim-delay-3 { animation-delay: 0.3s; }
.anim-delay-4 { animation-delay: 0.4s; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .grid-2 { grid-template-columns: 1fr; gap: 36px; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .section-intro { margin-bottom: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.65rem; }
  .btn { padding: 12px 20px; font-size: 0.9rem; }
}