/* ================================================
   WebCraft Studio.247 — Main Stylesheet
   ================================================ */

/* === CSS Variables === */
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --accent: #f59e0b;
  --whatsapp: #25d366;
  --whatsapp-dark: #128c7e;
  --gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
  --gradient-text: linear-gradient(135deg, #6366f1, #8b5cf6, #ec4899);
  --bg: #0f0f13;
  --bg-card: #1a1a24;
  --bg-card-hover: #22222e;
  --border: rgba(255,255,255,0.08);
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 48px rgba(99,102,241,0.15);
  --radius: 16px;
  --radius-sm: 10px;
  --font-body: 'Inter', sans-serif;
  --font-heading: 'Outfit', sans-serif;
  --nav-height: 72px;
  --transition: 0.3s ease;
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; }

/* === Utility === */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section { padding: 96px 0; position: relative; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-badge {
  display: inline-block;
  background: rgba(99,102,241,0.12);
  color: var(--primary);
  border: 1px solid rgba(99,102,241,0.3);
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition);
  border: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}
.btn-lg { padding: 15px 36px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }
.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(99,102,241,0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(99,102,241,0.45); }
.btn-whatsapp {
  background: var(--whatsapp);
  color: #fff;
  box-shadow: 0 4px 20px rgba(37,211,102,0.3);
}
.btn-whatsapp:hover { background: var(--whatsapp-dark); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(37,211,102,0.4); }
.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: rgba(255,255,255,0.2);
  backdrop-filter: blur(8px);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }

/* === Reveal Animations === */
.reveal-up, .reveal-left, .reveal-right {
  opacity: 0;
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-up { transform: translateY(40px); }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }
.revealed { opacity: 1 !important; transform: none !important; }

/* ================================================
   NAVBAR
   ================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(15,15,19,0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
}
.navbar.scrolled {
  background: rgba(15,15,19,0.95);
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
}
.nav-container {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 32px;
}
.nav-logo { flex-shrink: 0; }
.logo-img { height: 46px; width: auto; object-fit: contain; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.nav-link {
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: all var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--text);
  background: rgba(255,255,255,0.06);
}
.nav-cta { margin-left: 8px; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ================================================
   HERO
   ================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  position: relative;
  overflow: hidden;
}
.hero-bg-gradient {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 70% 30%, rgba(99,102,241,0.15) 0%, transparent 60%),
              radial-gradient(ellipse 60% 40% at 10% 80%, rgba(139,92,246,0.1) 0%, transparent 60%);
  pointer-events: none;
}
.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(99,102,241,0.5);
  animation: float-particle linear infinite;
}
@keyframes float-particle {
  0% { transform: translateY(0) translateX(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-100vh) translateX(40px); opacity: 0; }
}
.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 60px 24px;
}
.hero-badge {
  display: inline-block;
  background: rgba(245,158,11,0.12);
  color: var(--accent);
  border: 1px solid rgba(245,158,11,0.3);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}
.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
}
.hero-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 520px;
  margin-bottom: 36px;
}
.hero-stats {
  display: flex;
  gap: 0;
  margin-bottom: 36px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  width: fit-content;
}
.stat-item { padding: 14px 24px; }
.stat-num { display: block; font-family: var(--font-heading); font-size: 1.5rem; font-weight: 800; color: var(--text); }
.stat-label { font-size: 0.75rem; color: var(--text-muted); white-space: nowrap; }
.stat-divider { width: 1px; background: var(--border); }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

/* Hero Visual */
.hero-visual { display: flex; justify-content: center; align-items: center; }
.hero-card-stack { position: relative; width: 420px; height: 340px; }
.hero-main-card {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 320px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.browser-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: rgba(255,255,255,0.05);
  border-bottom: 1px solid var(--border);
}
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-red { background: #ff5f57; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #28c840; }
.url-bar {
  flex: 1;
  background: rgba(255,255,255,0.05);
  border-radius: 4px;
  padding: 3px 10px;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-left: 8px;
}
.browser-content { padding: 14px; }
.mock-nav { height: 10px; background: rgba(99,102,241,0.3); border-radius: 4px; margin-bottom: 14px; }
.mock-hero { height: 80px; background: linear-gradient(135deg, rgba(99,102,241,0.3), rgba(139,92,246,0.2)); border-radius: 8px; margin-bottom: 14px; }
.mock-cards { display: flex; gap: 8px; }
.mock-card { flex: 1; height: 50px; background: rgba(255,255,255,0.05); border-radius: 6px; border: 1px solid var(--border); }

.floating-card {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  animation: float-card 4s ease-in-out infinite;
  white-space: nowrap;
}
.card-icon { font-size: 1.5rem; }
.card-title { font-size: 0.8rem; font-weight: 700; color: var(--text); }
.card-sub { font-size: 0.7rem; color: var(--text-muted); }
.card-1 { top: 10px; left: -20px; animation-delay: 0s; }
.card-2 { bottom: 30px; left: -30px; animation-delay: 1s; }
.card-3 { top: 15px; right: -20px; animation-delay: 2s; }
@keyframes float-card {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 56px;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 50px;
  animation: bounce 2s infinite;
}
.scroll-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--primary);
  animation: scroll-dot 2s infinite;
}
@keyframes bounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(6px)} }
@keyframes scroll-dot { 0%{transform:translateY(0);opacity:1} 100%{transform:translateY(12px);opacity:0} }

/* ================================================
   SERVICES
   ================================================ */
.services-section { background: var(--bg); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  transition-delay: var(--delay, 0s);
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient);
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}
.service-card:hover { transform: translateY(-6px); background: var(--bg-card-hover); box-shadow: var(--shadow-lg); border-color: rgba(99,102,241,0.2); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon-wrap {
  width: 64px; height: 64px;
  border-radius: var(--radius-sm);
  background: rgba(var(--icon-color, 99,102,241), 0.1);
  color: var(--icon-color, #6366f1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: all var(--transition);
  background: color-mix(in srgb, var(--icon-color) 12%, transparent);
  color: var(--icon-color);
}
.service-card:hover .service-icon-wrap { transform: scale(1.05); }
.service-name { font-family: var(--font-heading); font-size: 1.25rem; font-weight: 700; margin-bottom: 12px; }
.service-desc { color: var(--text-muted); font-size: 0.92rem; line-height: 1.7; margin-bottom: 20px; }
.service-features { display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px; }
.service-features li { font-size: 0.85rem; color: var(--text-muted); }
.service-features li::first-letter { color: var(--whatsapp); }
.service-link {
  display: inline-flex;
  align-items: center;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition);
}
.service-link:hover { gap: 6px; }

/* ================================================
   PORTFOLIO
   ================================================ */
.portfolio-section { background: linear-gradient(180deg, var(--bg) 0%, rgba(26,26,36,0.5) 100%); }
.section-bg-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.blob-1 { width: 400px; height: 400px; background: rgba(99,102,241,0.08); top: 0; right: -100px; }
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
  margin-bottom: 48px;
}
.portfolio-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  transition-delay: var(--delay, 0s);
}
.portfolio-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(99,102,241,0.25); }
.portfolio-image { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.portfolio-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.portfolio-card:hover .portfolio-image img { transform: scale(1.05); }
.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: rgba(99,102,241,0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  opacity: 0;
  transition: opacity var(--transition);
}
.portfolio-card:hover .portfolio-overlay { opacity: 1; }
.portfolio-category {
  background: rgba(255,255,255,0.2);
  color: #fff;
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
}
.portfolio-btn {
  background: #fff;
  color: var(--primary);
  padding: 10px 24px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.9rem;
  transition: all var(--transition);
}
.portfolio-btn:hover { background: var(--accent); color: #fff; }
.portfolio-info { padding: 24px; }
.portfolio-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.tag {
  background: rgba(99,102,241,0.1);
  color: var(--primary);
  border: 1px solid rgba(99,102,241,0.2);
  padding: 3px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 500;
}
.portfolio-title { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.portfolio-desc { color: var(--text-muted); font-size: 0.88rem; line-height: 1.6; }
.portfolio-cta { text-align: center; }
.portfolio-cta p { color: var(--text-muted); margin-bottom: 20px; font-size: 1.05rem; }

/* ================================================
   ABOUT
   ================================================ */
.about-section { background: var(--bg); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-visual { display: flex; flex-direction: column; gap: 20px; }
.about-card-main {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
}
.about-logo-wrap { margin-bottom: 16px; }
.about-logo { height: 80px; margin: 0 auto; }
.about-location {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 8px;
}
.about-badge-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.about-badge {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  text-align: center;
  transition: all var(--transition);
}
.about-badge:hover { border-color: rgba(99,102,241,0.3); transform: translateY(-2px); }
.badge-num { font-family: var(--font-heading); font-size: 1.8rem; font-weight: 900; background: var(--gradient-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.badge-label { font-size: 0.78rem; color: var(--text-muted); margin-top: 2px; }
.about-content .section-badge { display: block; margin-bottom: 12px; }
.about-content .section-title { text-align: left; margin-bottom: 20px; }
.about-desc { color: var(--text-muted); margin-bottom: 16px; font-size: 1rem; line-height: 1.8; }
.about-values { display: flex; flex-direction: column; gap: 20px; margin-bottom: 36px; margin-top: 28px; }
.value-item { display: flex; gap: 16px; align-items: flex-start; }
.value-icon { font-size: 1.5rem; flex-shrink: 0; }
.value-title { font-weight: 700; font-size: 0.95rem; margin-bottom: 4px; }
.value-desc { color: var(--text-muted); font-size: 0.88rem; }

/* ================================================
   TESTIMONIALS
   ================================================ */
.testimonials-section { background: linear-gradient(180deg, var(--bg) 0%, rgba(26,26,36,0.8) 100%); }
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  transition: all var(--transition);
  transition-delay: var(--delay, 0s);
}
.testimonial-card:hover { transform: translateY(-4px); border-color: rgba(99,102,241,0.2); box-shadow: var(--shadow-lg); }
.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 16px; right: 24px;
  font-size: 5rem;
  font-family: serif;
  color: rgba(99,102,241,0.1);
  line-height: 1;
}
.testimonial-stars { color: #fbbf24; font-size: 1.1rem; margin-bottom: 16px; letter-spacing: 2px; }
.testimonial-text { color: var(--text-muted); font-size: 0.95rem; line-height: 1.8; margin-bottom: 24px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 14px; }
.author-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.author-name { font-weight: 700; font-size: 0.95rem; }
.author-role { color: var(--text-muted); font-size: 0.8rem; }

/* ================================================
   CTA BANNER
   ================================================ */
.cta-banner {
  background: var(--gradient);
  padding: 72px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.cta-content { position: relative; z-index: 1; }
.cta-banner h2 { font-family: var(--font-heading); font-size: clamp(1.8rem, 3vw, 2.5rem); font-weight: 800; color: #fff; margin-bottom: 12px; }
.cta-banner p { color: rgba(255,255,255,0.85); font-size: 1.1rem; margin-bottom: 36px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-banner .btn-whatsapp { background: rgba(255,255,255,0.15); border: 2px solid rgba(255,255,255,0.4); color: #fff; backdrop-filter: blur(8px); }
.cta-banner .btn-whatsapp:hover { background: rgba(255,255,255,0.25); }
.cta-banner .btn-outline { color: #fff; border-color: rgba(255,255,255,0.4); }
.cta-banner .btn-outline:hover { background: rgba(255,255,255,0.15); border-color: #fff; }

/* ================================================
   CONTACT
   ================================================ */
.contact-section { background: var(--bg); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 40px; align-items: start; }
.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.contact-info-title { font-family: var(--font-heading); font-size: 1.3rem; font-weight: 700; margin-bottom: 8px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-icon { font-size: 1.4rem; flex-shrink: 0; margin-top: 2px; }
.contact-label { color: var(--text-muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 1px; font-weight: 600; margin-bottom: 4px; }
.contact-value {
  display: block;
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color var(--transition);
  line-height: 1.6;
}
a.contact-value:hover { color: var(--primary); }
.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--text-muted); }
.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--text);
  font-size: 0.95rem;
  transition: border-color var(--transition);
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(99,102,241,0.05);
}
.form-group select { appearance: none; cursor: pointer; }
.form-group select option { background: #1a1a24; color: var(--text); }
.form-group textarea { resize: vertical; min-height: 100px; }

/* ================================================
   FOOTER
   ================================================ */
.footer {
  background: rgba(10,10,14,0.98);
  border-top: 1px solid var(--border);
}
.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding: 64px 24px 40px;
}
.footer-logo { height: 48px; margin-bottom: 16px; }
.footer-desc { color: var(--text-muted); font-size: 0.88rem; line-height: 1.7; margin-bottom: 16px; max-width: 320px; }
.footer-contact-quick { display: flex; flex-direction: column; gap: 6px; }
.footer-contact-quick a { color: var(--text-muted); font-size: 0.85rem; transition: color var(--transition); }
.footer-contact-quick a:hover { color: var(--primary); }
.footer-links-col h4 { font-family: var(--font-heading); font-size: 0.98rem; font-weight: 700; margin-bottom: 20px; padding-bottom: 10px; border-bottom: 2px solid var(--primary); display: inline-block; }
.footer-links-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links-col a { color: var(--text-muted); font-size: 0.88rem; transition: all var(--transition); display: inline-block; }
.footer-links-col a:hover { color: var(--primary); transform: translateX(4px); }
.footer-bottom {
  border-top: 1px solid var(--border);
}
.footer-bottom-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { color: var(--text-dim); font-size: 0.82rem; }

/* ================================================
   WHATSAPP FLOAT
   ================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 60px;
  height: 60px;
  background: var(--whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  z-index: 999;
  transition: all var(--transition);
  animation: pulse-wa 3s ease-in-out infinite;
}
.whatsapp-float:hover { transform: scale(1.1); background: var(--whatsapp-dark); }
.whatsapp-tooltip {
  position: absolute;
  right: 70px;
  background: #fff;
  color: #000;
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  box-shadow: var(--shadow);
}
.whatsapp-tooltip::after {
  content: '';
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: #fff;
}
.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; }
@keyframes pulse-wa {
  0%,100% { box-shadow: 0 4px 20px rgba(37,211,102,0.4), 0 0 0 0 rgba(37,211,102,0.3); }
  50% { box-shadow: 0 4px 20px rgba(37,211,102,0.4), 0 0 0 12px rgba(37,211,102,0); }
}

/* ================================================
   BACK TO TOP
   ================================================ */
.back-to-top {
  position: fixed;
  bottom: 100px;
  right: 28px;
  width: 44px; height: 44px;
  background: rgba(99,102,241,0.15);
  color: var(--primary);
  border: 1px solid rgba(99,102,241,0.3);
  border-radius: 50%;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition);
  z-index: 998;
  backdrop-filter: blur(8px);
}
.back-to-top.visible { opacity: 1; pointer-events: all; }
.back-to-top:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

/* ================================================
   RESPONSIVE
   ================================================ */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; gap: 48px; }
  .hero-text { display: flex; flex-direction: column; align-items: center; }
  .hero-subtitle { text-align: center; }
  .hero-stats { margin: 0 auto 36px; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-content .section-title { text-align: center; }
  .about-content .section-badge { display: inline-block; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-content { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { 
    position: fixed;
    top: var(--nav-height); left: 0; right: 0;
    background: rgba(15,15,19,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    gap: 0;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4,0,0.2,1);
  }
  .nav-links.open { transform: translateY(0); opacity: 1; }
  .nav-link { padding: 14px 0; width: 100%; border-bottom: 1px solid var(--border); border-radius: 0; }
  .nav-cta { display: none; }
  .hamburger { display: flex; }
  .hero-card-stack { width: 100%; max-width: 340px; height: 280px; }
  .hero-main-card { width: 260px; }
  .card-1 { left: -10px; }
  .card-2 { left: -10px; }
  .card-3 { right: -10px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-content { grid-template-columns: 1fr; }
  .footer-bottom-content { flex-direction: column; text-align: center; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .hero-stats { overflow-x: auto; }
  .stat-item { padding: 12px 20px; }
}

@media (max-width: 480px) {
  :root { --nav-height: 64px; }
  .section { padding: 64px 0; }
  .hero-buttons { flex-direction: column; width: 100%; }
  .hero-buttons .btn { justify-content: center; }
  .about-badge-grid { grid-template-columns: 1fr 1fr; }
  .whatsapp-float { bottom: 16px; right: 16px; width: 52px; height: 52px; }
}