:root {
  --bg: #f8f7f4;
  --surface: #ffffff;
  --border: rgba(0, 0, 0, 0.07);
  --text: #141414;
  --text-muted: #6b6b6b;
  --accent-1: #5b3cf5;
  --accent-2: #2563eb;
  --gradient: linear-gradient(135deg, #5b3cf5 0%, #2563eb 100%);
  --gradient-soft: linear-gradient(135deg, rgba(91, 60, 245, 0.08) 0%, rgba(37, 99, 235, 0.08) 100%);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08), 0 1px 4px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.1), 0 4px 16px rgba(0, 0, 0, 0.06);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
}

body {
  font-family: sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5 {
  font-family: "Syne", sans-serif;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  max-width: 100%;
  display: block;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 5%;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(248, 247, 244, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}

nav.scrolled {
  box-shadow: var(--shadow-sm);
}

.nav-logo {
  font-family: "Syne", sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

.nav-cta {
  background: var(--gradient);
  color: white !important;
  padding: 0.55rem 1.3rem;
  border-radius: 100px;
  font-size: 0.875rem !important;
  font-weight: 500 !important;
  transition:
    opacity 0.2s,
    transform 0.2s !important;
}

.nav-cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  border-radius: 100px;
  font-family: "DM Sans", sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s;
  border: none;
}

.btn-primary {
  background: var(--gradient);
  color: white;
  box-shadow: 0 4px 20px rgba(91, 60, 245, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(91, 60, 245, 0.4);
}

.btn-secondary {
  background: white;
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  padding: 0.8rem 1.4rem;
}
.btn-ghost:hover {
  color: var(--text);
  background: rgba(0, 0, 0, 0.04);
}

/* ── CONTAINERS ── */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 5%;
}

section {
  padding: 6rem 0;
}

/* ── BADGE ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--gradient-soft);
  color: var(--accent-1);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.35rem 0.9rem;
  border-radius: 100px;
  border: 1px solid rgba(91, 60, 245, 0.15);
  margin-bottom: 1.25rem;
}

/* ── SECTION HEADERS ── */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 4rem;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ── FOOTER ── */
footer {
  background: var(--text);
  color: rgba(255, 255, 255, 0.55);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 0.75rem;
  max-width: 240px;
}

.footer-col h4 {
  font-family: "Syne", sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: white;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
}
.footer-col ul li {
  margin-bottom: 0.6rem;
}
.footer-col ul li a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.2s;
}
.footer-col ul li a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-bottom p {
  font-size: 0.85rem;
}

.social-icons {
  display: flex;
  gap: 0.75rem;
}

.social-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    background 0.2s,
    transform 0.2s;
  color: rgba(255, 255, 255, 0.6);
}
.social-icon:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
  color: white;
}

.social-icon svg {
  width: 16px;
  height: 16px;
}

/* ── ORBS / DECORATIVE ── */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

/* ── FADE IN ANIMATION ── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.65s ease,
    transform 0.65s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── PAGE WRAPPER ── */
.page-wrapper {
  padding-top: 72px;
}

/* ── MOBILE NAV ── */
.mobile-nav {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 5%;
  flex-direction: column;
  gap: 1rem;
  z-index: 99;
}

.mobile-nav.open {
  display: flex;
}
.mobile-nav a {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}
.mobile-nav a:last-child {
  border: none;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .nav-links {
    display: none;
  }
  .nav-hamburger {
    display: flex;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  section {
    padding: 4rem 0;
  }
}