/* =============================================
   CLOUDANICA — LANDING PAGE STYLES
   Dark theme with purple #814AC8 accent
   ============================================= */

/* ---- RESET & BASE ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --purple:       #814AC8;
  --purple-light: #9B6FD8;
  --purple-dark:  #5E34A0;
  --purple-glow:  rgba(129, 74, 200, 0.35);
  --bg:           #0A0A0F;
  --bg-card:      #111118;
  --bg-card2:     #16161F;
  --border:       rgba(129, 74, 200, 0.2);
  --border-faint: rgba(255,255,255,0.06);
  --text:         #E8E8F0;
  --text-muted:   #8888A8;
  --text-dim:     #5A5A7A;
  --white:        #FFFFFF;
  --radius:       14px;
  --radius-sm:    8px;
  --shadow-card:  0 4px 32px rgba(0,0,0,0.5);
  --transition:   0.3s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- TYPOGRAPHY ---- */
.gradient-text {
  background: linear-gradient(135deg, var(--purple-light) 0%, #C084FC 60%, #E879F9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--purple-light);
  background: rgba(129, 74, 200, 0.12);
  border: 1px solid var(--border);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 1rem;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 520px;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}
.section-header .section-sub { margin: 0 auto; }

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 100px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--purple);
  color: var(--white);
  border-color: var(--purple);
  box-shadow: 0 0 24px rgba(129, 74, 200, 0.4);
}
.btn-primary:hover {
  background: var(--purple-light);
  border-color: var(--purple-light);
  box-shadow: 0 0 36px rgba(129, 74, 200, 0.6);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--purple-light);
  border-color: var(--purple);
}
.btn-outline:hover {
  background: rgba(129, 74, 200, 0.12);
  transform: translateY(-2px);
}

.btn-ghost {
  background: rgba(255,255,255,0.05);
  color: var(--text);
  border-color: var(--border-faint);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}

.btn-large {
  padding: 16px 40px;
  font-size: 1.05rem;
}

/* =============================================
   NAVBAR
   ============================================= */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background var(--transition), backdrop-filter var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--border-faint);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo { display: flex; align-items: center; }
.logo-img { height: 44px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

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

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* Mobile menu */
.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 16px 24px 24px;
  background: rgba(10, 10, 15, 0.97);
  border-top: 1px solid var(--border-faint);
}
.mobile-menu.open { display: flex; }
.mobile-link {
  padding: 12px 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-faint);
  transition: color var(--transition);
}
.mobile-link:last-child { border-bottom: none; }
.mobile-link:hover { color: var(--white); }

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-bg-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 700px;
  background: radial-gradient(ellipse at center, rgba(129, 74, 200, 0.22) 0%, transparent 70%);
  pointer-events: none;
}

/* Animated grid lines */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(129, 74, 200, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(129, 74, 200, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 820px;
}

.hero-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--purple-light);
  background: rgba(129, 74, 200, 0.1);
  border: 1px solid var(--border);
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.hero-headline {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  color: var(--white);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: fadeInUp 1s ease 1.5s both;
}

.scroll-arrow {
  width: 1px;
  height: 32px;
  background: linear-gradient(to bottom, var(--purple), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.2); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateX(-50%) translateY(16px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* =============================================
   SERVICES
   ============================================= */
.services {
  padding: 100px 0;
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-faint);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--purple), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--border);
  box-shadow: 0 16px 48px rgba(129, 74, 200, 0.2);
}
.service-card:hover::before { opacity: 1; }

.service-card.featured {
  background: linear-gradient(145deg, rgba(129, 74, 200, 0.12) 0%, var(--bg-card) 60%);
  border-color: var(--border);
}
.service-card.featured::before { opacity: 0.6; }

.service-icon {
  width: 52px;
  height: 52px;
  background: rgba(129, 74, 200, 0.12);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--purple-light);
  margin-bottom: 1.5rem;
}
.service-icon svg { width: 26px; height: 26px; }

.service-number {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.service-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.75rem;
}

.service-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}
.service-desc strong { color: var(--purple-light); }

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.service-tags span {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--purple-light);
  background: rgba(129, 74, 200, 0.1);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 100px;
}

/* =============================================
   ABOUT
   ============================================= */
.about {
  padding: 100px 0;
  background: var(--bg-card2);
  border-top: 1px solid var(--border-faint);
  border-bottom: 1px solid var(--border-faint);
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.about-left .section-title { margin-top: 0.5rem; }

.about-lead {
  font-size: 1.08rem;
  color: var(--text);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

.about-body {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.75;
}

.about-right {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.value-card {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border-faint);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.value-card:hover {
  border-color: var(--border);
  box-shadow: 0 8px 32px rgba(129, 74, 200, 0.15);
}

.value-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: rgba(129, 74, 200, 0.12);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--purple-light);
}
.value-icon svg { width: 22px; height: 22px; }

.value-card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.4rem;
}
.value-card p {
  font-size: 0.87rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* =============================================
   CONTACT
   ============================================= */
.contact {
  padding: 120px 0 140px;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.contact-glow {
  position: absolute;
  bottom: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 500px;
  background: radial-gradient(ellipse at center, rgba(129, 74, 200, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.contact-inner {
  position: relative;
  z-index: 2;
}

.contact .section-title { margin-top: 0.5rem; }

.contact-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-faint);
  padding: 2.5rem 0 3rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo { height: 32px; width: auto; }

.footer-copy {
  font-size: 0.82rem;
  color: var(--text-dim);
}

.footer-nav {
  display: flex;
  gap: 1.5rem;
}
.footer-nav a {
  font-size: 0.82rem;
  color: var(--text-dim);
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--purple-light); }

/* =============================================
   SCROLL ANIMATIONS
   ============================================= */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 900px) {
  .services-grid {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin: 0 auto;
  }
  .about-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }

  .hero-headline { font-size: 2.6rem; }
  .hero-cta { flex-direction: column; align-items: center; }

  .footer-inner { flex-direction: column; text-align: center; }
  .footer-nav { justify-content: center; }
}