/* ═══════════════════════════════════════
   SAAVI LITE — Design System & Styles
   ═══════════════════════════════════════ */

/* ── CSS Custom Properties ── */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #0f1118;
  --bg-card: #141820;
  --bg-card-hover: #1a1f2e;

  --accent: #00d4ff;
  --accent-glow: rgba(0, 212, 255, 0.3);
  --accent-green: #00ff88;
  --accent-green-glow: rgba(0, 255, 136, 0.2);

  --text-primary: #e8eaf0;
  --text-secondary: #8a8fa8;
  --text-muted: #5a5f72;

  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(0, 212, 255, 0.3);

  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Outfit', 'Inter', sans-serif;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset & Base ── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--accent-green);
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.accent {
  color: var(--accent);
}

/* ── Animations ── */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {

  0%,
  100% {
    box-shadow: 0 0 0 0 var(--accent-glow);
  }

  50% {
    box-shadow: 0 0 20px 6px var(--accent-glow);
  }
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-8px);
  }
}

@keyframes scrollBounce {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(8px);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }

  100% {
    background-position: 200% 0;
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ══════════════════════════════
   NAVBAR
   ══════════════════════════════ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.92);
  backdrop-filter: blur(20px);
  padding: 10px 0;
  box-shadow: 0 2px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text-primary);
}

.logo-img {
  height: 32px;
  width: auto;
  display: block;
  filter: invert(1);
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.logo-accent {
  color: var(--accent);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
}

.nav-link {
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.3px;
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent);
  background: rgba(0, 212, 255, 0.08);
}

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

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ══════════════════════════════
   HERO SECTION
   ══════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(0, 255, 136, 0.05) 0%, transparent 50%),
    var(--bg-primary);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(0, 212, 255, 0.03) 0%, transparent 50%),
    repeating-linear-gradient(0deg,
      transparent,
      transparent 50px,
      rgba(0, 212, 255, 0.02) 50px,
      rgba(0, 212, 255, 0.02) 51px),
    repeating-linear-gradient(90deg,
      transparent,
      transparent 50px,
      rgba(0, 212, 255, 0.02) 50px,
      rgba(0, 212, 255, 0.02) 51px);
  pointer-events: none;
}

.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 24px;
  max-width: 800px;
}

.hero-logo-box {
  margin-bottom: 24px;
}

.hero-logo {
  height: 64px;
  width: auto;
  filter: invert(1);
  margin: 0 auto;
}


.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(48px, 8vw, 88px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 16px;
  text-shadow: 0 0 60px var(--accent-glow);
}

.hero-tagline {
  font-size: clamp(16px, 2.5vw, 22px);
  color: var(--accent-green);
  font-weight: 500;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.hero-description {
  font-size: clamp(14px, 1.5vw, 17px);
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto 36px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  font-family: var(--font-body);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #0099cc 100%);
  color: #000;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
  color: #000;
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-hover);
}

.btn-outline:hover {
  background: rgba(0, 212, 255, 0.08);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(45deg);
  animation: scrollBounce 2s infinite;
}

/* ══════════════════════════════
   SECTION COMMON
   ══════════════════════════════ */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.section-line {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-green));
  margin: 0 auto;
  border-radius: 3px;
}

/* ══════════════════════════════
   ABOUT SECTION
   ══════════════════════════════ */
.about {
  background:
    radial-gradient(ellipse at 80% 0%, rgba(0, 212, 255, 0.04) 0%, transparent 60%),
    var(--bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.about-text p {
  color: var(--text-secondary);
  font-size: 15px;
  margin-bottom: 16px;
  line-height: 1.8;
}

.about-text strong {
  color: var(--accent);
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.feature-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.feature-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateX(4px);
}

.feature-icon {
  font-size: 28px;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 255, 0.06);
  border-radius: var(--radius-sm);
}

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.feature-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ══════════════════════════════
   SERVICES SECTION
   ══════════════════════════════ */
.services {
  background: var(--bg-primary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  position: relative;
  padding: 36px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-green));
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 212, 255, 0.1);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  color: var(--accent);
  margin-bottom: 20px;
  display: flex;
  justify-content: center;
  transition: transform var(--transition);
}

.service-card:hover .service-icon {
  transform: scale(1.1);
  filter: drop-shadow(0 0 10px var(--accent-glow));
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.service-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.service-tag {
  display: inline-block;
  padding: 4px 14px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent-green);
  background: var(--accent-green-glow);
  border-radius: 50px;
}

/* ══════════════════════════════
   GALLERY SECTION
   ══════════════════════════════ */
.gallery {
  background: var(--bg-secondary);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4 / 3;
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.12);
  border-color: var(--border-hover);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.06);
}

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 16px;
}

.gallery-item:hover .gallery-item-overlay {
  opacity: 1;
}

.gallery-item-overlay span {
  color: white;
  font-size: 13px;
  font-weight: 500;
}

.gallery-empty {
  text-align: center;
  color: var(--text-muted);
  font-size: 15px;
  padding: 60px 20px;
}

/* ── Lightbox ── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.lightbox.active {
  opacity: 1;
  pointer-events: all;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: var(--radius-md);
  object-fit: contain;
  box-shadow: 0 0 60px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 36px;
  color: white;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 10;
  transition: color var(--transition);
  line-height: 1;
}

.lightbox-close:hover {
  color: var(--accent);
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 28px;
  color: white;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  cursor: pointer;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.lightbox-prev {
  left: 20px;
}

.lightbox-next {
  right: 20px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
  background: rgba(0, 212, 255, 0.2);
  color: var(--accent);
}

/* ══════════════════════════════
   CONTACT SECTION
   ══════════════════════════════ */
.contact {
  background: var(--bg-primary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition);
}

.contact-card:hover {
  border-color: var(--border-hover);
}

.contact-icon {
  font-size: 24px;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 255, 0.06);
  border-radius: var(--radius-sm);
}

.contact-card h3 {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.contact-card a,
.contact-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  display: block;
}

.contact-card a:hover {
  color: var(--accent);
}

.contact-map {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
}

.contact-map iframe {
  display: block;
}

/* ── Contact Form ── */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.contact-form h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
  letter-spacing: 0.3px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 14px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-status {
  margin-top: 12px;
  font-size: 13px;
  text-align: center;
  min-height: 20px;
}

.form-status.success {
  color: var(--accent-green);
}

.form-status.error {
  color: #ff4466;
}

/* ══════════════════════════════
   FOOTER
   ══════════════════════════════ */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-text {
  font-size: 13px;
  color: var(--text-muted);
}

/* ══════════════════════════════
   WHATSAPP BUTTON
   ══════════════════════════════ */
.whatsapp-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 900;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: all var(--transition);
  animation: pulse 3s infinite;
}

.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

/* ══════════════════════════════
   RESPONSIVE — TABLET (≤ 768px)
   ══════════════════════════════ */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    flex-direction: column;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    padding: 80px 32px 32px;
    gap: 4px;
    transition: right var(--transition);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-link {
    padding: 12px 16px;
    font-size: 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-title {
    letter-spacing: -1px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-content {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
  }
}

/* ══════════════════════════════
   RESPONSIVE — MOBILE (≤ 480px)
   ══════════════════════════════ */
@media (max-width: 480px) {
  .section {
    padding: 64px 0;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .hero-logo {
    height: 48px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  .contact-form {
    padding: 24px;
  }

  .lightbox-prev,
  .lightbox-next {
    width: 36px;
    height: 36px;
    font-size: 20px;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
}