/* =============================================
   e-lo Digital Solutions — style.css
   ============================================= */

/* ---- Custom Properties ---- */
:root {
  --color-bg: #0A0F1E;
  --color-surface: #111827;
  --color-primary: #00C2FF;
  --color-accent: #7B2FFF;
  --color-text: #E2E8F0;
  --color-muted: #64748B;
  --color-border: rgba(255, 255, 255, 0.08);
  --gradient-brand: linear-gradient(135deg, #00C2FF, #7B2FFF);
  --gradient-card: linear-gradient(135deg, rgba(0, 194, 255, 0.06), rgba(123, 47, 255, 0.06));
  --font-body: 'Inter', system-ui, sans-serif;
  --font-heading: 'Space Grotesk', system-ui, sans-serif;
  --nav-height: 72px;
  --radius: 12px;
  --transition: 0.25s ease;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---- Utilities ---- */
.container {
  max-width: 1160px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

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

.section-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--color-muted);
  max-width: 560px;
  font-size: 1.05rem;
}

.hidden { display: none !important; }

/* ---- Animations ---- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Header ---- */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-height);
  transition: background var(--transition), -webkit-backdrop-filter var(--transition), backdrop-filter var(--transition), box-shadow var(--transition);
}

header.scrolled {
  background: rgba(10, 15, 30, 0.82);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--color-border);
}

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

.nav-logo img { height: 34px; width: auto; }

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

.nav-links a {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-muted);
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -3px;
  width: 0; height: 2px;
  background: var(--gradient-brand);
  transition: width var(--transition);
  border-radius: 2px;
}

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

.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.25rem;
  border-radius: 6px;
  background: var(--gradient-brand);
  color: #fff !important;
  font-weight: 600;
  font-size: 0.875rem;
  transition: opacity var(--transition), transform var(--transition);
}

.nav-cta:hover { opacity: 0.88; transform: translateY(-1px); }
.nav-cta::after { display: none !important; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px; height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav drawer */
.nav-drawer {
  display: none;
  position: fixed;
  inset: var(--nav-height) 0 0 0;
  background: rgba(10, 15, 30, 0.97);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  z-index: 99;
  opacity: 0;
  transition: opacity var(--transition);
}

.nav-drawer.active {
  opacity: 1;
}

.nav-drawer a {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
  transition: color var(--transition);
}

.nav-drawer a:hover,
.nav-drawer a.active { color: var(--color-primary); }

/* ---- Hero ---- */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

#hero-particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-glow {
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 700px; height: 500px;
  background: radial-gradient(ellipse at center, rgba(0, 194, 255, 0.12) 0%, rgba(123, 47, 255, 0.08) 50%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(0, 194, 255, 0.08);
  border: 1px solid rgba(0, 194, 255, 0.2);
  border-radius: 100px;
  padding: 0.35rem 0.9rem;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.7s ease both;
}

.hero-eyebrow span { display: block; width: 6px; height: 6px; border-radius: 50%; background: var(--color-primary); }

.hero-headline {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  animation: fadeInUp 0.7s 0.1s ease both;
}

.hero-sub {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: var(--color-muted);
  max-width: 580px;
  margin-bottom: 2.5rem;
  animation: fadeInUp 0.7s 0.2s ease both;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeInUp 0.7s 0.3s ease both;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.75rem;
  border-radius: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
}

.btn-primary:hover {
  opacity: 0.88;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 194, 255, 0.25);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-outline:hover {
  border-color: rgba(0, 194, 255, 0.4);
  transform: translateY(-2px);
}

/* ---- Sections shared ---- */
section { padding-block: 6rem; }

.section-header { margin-bottom: 3.5rem; }

/* ---- Services ---- */
#services { background: var(--color-surface); }

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

.service-card {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  cursor: default;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 194, 255, 0.35);
  box-shadow: 0 8px 32px rgba(0, 194, 255, 0.1);
}

.service-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.25rem;
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.service-card p { color: var(--color-muted); font-size: 0.95rem; line-height: 1.6; }

/* ---- About ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text p {
  color: var(--color-muted);
  margin-bottom: 1rem;
  font-size: 1.025rem;
}

.about-visual {
  position: relative;
  height: 360px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-visual-inner {
  text-align: center;
}

.about-visual-inner .big-text {
  font-family: var(--font-heading);
  font-size: 5rem;
  font-weight: 800;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.about-visual-inner p {
  color: var(--color-muted);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.about-visual::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(0, 194, 255, 0.15), transparent 70%);
  border-radius: 50%;
}

.about-visual::after {
  content: '';
  position: absolute;
  bottom: -40px; left: -40px;
  width: 160px; height: 160px;
  background: radial-gradient(circle, rgba(123, 47, 255, 0.15), transparent 70%);
  border-radius: 50%;
}

/* ---- Why e-lo ---- */
#why { background: var(--color-surface); }

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.stat-card {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: transform var(--transition), border-color var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: rgba(123, 47, 255, 0.35);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 800;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-card h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.stat-card p { color: var(--color-muted); font-size: 0.875rem; }

/* ---- Contact ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.contact-info p {
  color: var(--color-muted);
  margin-bottom: 2rem;
  font-size: 1rem;
}

.contact-details { display: flex; flex-direction: column; gap: 1rem; }

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text);
  font-size: 0.95rem;
}

.contact-item a { transition: color var(--transition); }
.contact-item a:hover { color: var(--color-primary); }

.contact-icon {
  width: 38px; height: 38px;
  border-radius: 8px;
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

/* Form */
.contact-form-wrap {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2.5rem;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.form-row { margin-bottom: 1.25rem; }

.form-row label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-muted);
  margin-bottom: 0.4rem;
}

.form-row input,
.form-row textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-row input:focus,
.form-row textarea:focus {
  border-color: rgba(0, 194, 255, 0.5);
  box-shadow: 0 0 0 3px rgba(0, 194, 255, 0.1);
}

.form-row textarea { resize: vertical; min-height: 130px; }

.form-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.ohnohoney { display: none; }

.form-success {
  text-align: center;
  padding: 3rem 1.5rem;
}

.form-success .success-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.form-success h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.form-success p { color: var(--color-muted); }

/* ---- Footer ---- */
footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding-top: 4rem;
}

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

.footer-brand p {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin-top: 1rem;
  max-width: 280px;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  margin-bottom: 1rem;
}

.footer-col ul { display: flex; flex-direction: column; gap: 0.6rem; }

.footer-col ul a {
  color: var(--color-muted);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer-col ul a:hover { color: var(--color-text); }

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-block: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p { color: var(--color-muted); font-size: 0.85rem; }

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

.social-link {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  font-size: 0.9rem;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.social-link:hover {
  background: rgba(0, 194, 255, 0.1);
  border-color: rgba(0, 194, 255, 0.3);
  color: var(--color-primary);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  section { padding-block: 4rem; }

  .hamburger { display: flex; }
  .nav-links { display: none; }
  .nav-drawer { display: flex; }

  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { height: 240px; }
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .form-cols { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-brand { grid-column: auto; }
}

@media (max-width: 480px) {
  .services-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { justify-content: center; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}