/* ============================================================
   316 Web Works — Global Stylesheet
   ============================================================ */

:root {
  --bg:        #070a12;
  --bg2:       #0b0f1c;
  --text:      #eaeefb;
  --muted:     #9aa6c0;
  --blue:      #4b6bff;
  --violet:    #8a5cff;
  --cyan:      #28e0d4;
  --gradient:  linear-gradient(135deg, #4b6bff 0%, #8a5cff 55%, #28e0d4 100%);
  --card-bg:   rgba(255,255,255,0.04);
  --card-border: rgba(255,255,255,0.08);
  --radius:    18px;
  --nav-h:     72px;
  --ease:      cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5 {
  font-family: 'Sora', sans-serif;
  line-height: 1.2;
}

a { color: inherit; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }

/* Grid texture */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

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

.section {
  padding: 120px 0;
  position: relative;
  z-index: 1;
}

/* Typography */
.section-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.9rem, 3.8vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  line-height: 1.15;
}

.section-sub {
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 560px;
  line-height: 1.75;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
  border: none;
  outline: none;
  white-space: nowrap;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
  font-family: 'Inter', sans-serif;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 0 24px rgba(75,107,255,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 10px 36px rgba(75,107,255,0.5);
}
.btn-primary:active { transform: translateY(0) scale(0.99); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--card-border);
}
.btn-ghost:hover {
  background: var(--card-bg);
  border-color: rgba(255,255,255,0.18);
  transform: translateY(-2px);
}

.btn-sm { padding: 9px 20px; font-size: 0.82rem; }

/* Cards */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  background: radial-gradient(circle at 30% 30%, rgba(75,107,255,0.06), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.card:hover::after { opacity: 1; }
.card:hover {
  transform: translateY(-5px);
  border-color: rgba(75,107,255,0.28);
  box-shadow: 0 24px 64px rgba(75,107,255,0.12), 0 0 0 1px rgba(75,107,255,0.08);
}

/* Glows */
.glow-bg {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(80px);
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  transition: background 0.4s var(--ease), backdrop-filter 0.4s, border-bottom-color 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(7,10,18,0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom-color: var(--card-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
}

.nav-logo {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.03em;
}
.nav-logo .accent { background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  position: relative;
  z-index: 1;
  background: rgba(7,10,18,0.8);
  border-top: 1px solid var(--card-border);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-logo {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 12px;
  text-decoration: none;
  color: var(--text);
  letter-spacing: -0.03em;
}
.footer-tagline { color: var(--muted); font-size: 0.88rem; margin-bottom: 20px; line-height: 1.6; }
.footer-col h4 { font-size: 0.82rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { color: var(--muted); text-decoration: none; font-size: 0.9rem; transition: color 0.2s; }
.footer-col ul a:hover { color: var(--text); }
.footer-contact-item { display: flex; gap: 10px; color: var(--muted); font-size: 0.9rem; margin-bottom: 10px; align-items: flex-start; }
.footer-contact-item a { color: var(--muted); text-decoration: none; }
.footer-contact-item a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--card-border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p { color: var(--muted); font-size: 0.84rem; }

/* ============================================================
   REVEAL ANIMATION TARGETS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  will-change: opacity, transform;
}
.reveal-left  { opacity: 0; transform: translateX(-28px); }
.reveal-right { opacity: 0; transform: translateX(28px); }
.reveal-scale { opacity: 0; transform: scale(0.92); }

/* ============================================================
   FORM
   ============================================================ */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.04em;
}
.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  padding: 12px 16px;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  resize: vertical;
  width: 100%;
}
.form-group input:focus,
.form-group select,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(75,107,255,0.15);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(154,166,192,0.5); }

.form-success {
  display: none;
  align-items: center;
  gap: 12px;
  background: rgba(40,224,212,0.08);
  border: 1px solid rgba(40,224,212,0.25);
  border-radius: 12px;
  padding: 16px 20px;
  color: var(--cyan);
  font-size: 0.95rem;
  font-weight: 500;
}
.form-success.visible { display: flex; }

/* ============================================================
   PRICING CARD
   ============================================================ */
.pricing-featured {
  position: relative;
  background: linear-gradient(var(--bg2), var(--bg2)) padding-box,
              var(--gradient) border-box;
  border: 1.5px solid transparent !important;
  box-shadow: 0 0 60px rgba(75,107,255,0.18);
}
.pricing-featured:hover {
  transform: translateY(-8px) !important;
  box-shadow: 0 32px 80px rgba(75,107,255,0.25) !important;
}
.badge-popular {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 100px;
  background: var(--gradient);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(7,10,18,0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px 24px 32px;
    gap: 8px;
    transform: translateY(-120%);
    opacity: 0;
    transition: transform 0.3s var(--ease), opacity 0.3s;
    pointer-events: none;
    border-bottom: 1px solid var(--card-border);
    z-index: 99;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .nav-links li { width: 100%; }
  .nav-links a { font-size: 1rem; display: block; padding: 10px 0; border-bottom: 1px solid var(--card-border); width: 100%; }
  .nav-toggle { display: flex; }
  .nav-cta { display: none !important; }
  .section { padding: 80px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-left, .reveal-right, .reveal-scale {
    opacity: 1 !important;
    transform: none !important;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}