/* ===== CSS Variables ===== */
:root {
  --navy: #0A1628;
  --navy-light: #12253F;
  --navy-dark: #06101C;
  --blue: #1A6FDB;
  --blue-light: #3B8AE8;
  --blue-dark: #0E4FA8;
  --white: #FFFFFF;
  --off-white: #F5F7FA;
  --gray: #8B9BB4;
  --gray-light: #C5D0E0;
  --text: #E8EEF7;
  --text-muted: #8B9BB4;
  --card-bg: #12253F;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
  --transition: 0.3s ease;
  --header-bg: rgba(10, 22, 40, 0.9);
  --body-bg: #0A1628;
  --footer-bg: #06101C;
}

[data-theme="light"] {
  --navy: #F5F7FA;
  --navy-light: #FFFFFF;
  --navy-dark: #E8EEF5;
  --blue: #1A6FDB;
  --blue-light: #0E4FA8;
  --blue-dark: #0A3A7A;
  --white: #0A1628;
  --off-white: #FFFFFF;
  --gray: #5A6A80;
  --gray-light: #3A4A60;
  --text: #0A1628;
  --text-muted: #5A6A80;
  --card-bg: #FFFFFF;
  --border: rgba(10, 22, 40, 0.1);
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  --header-bg: rgba(255, 255, 255, 0.95);
  --body-bg: #F5F7FA;
  --footer-bg: #E8EEF5;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--body-bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background 0.3s ease, color 0.3s ease;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.container { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 20px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 28px; font-weight: 600; font-size: 0.95rem;
  border-radius: 50px; border: 2px solid transparent; cursor: pointer;
  transition: var(--transition); text-align: center; gap: 8px;
}
.btn-primary { background: var(--blue); color: #fff !important; border-color: var(--blue); }
.btn-primary:hover { background: var(--blue-light); border-color: var(--blue-light); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(26,111,219,0.4); }
.btn-outline { background: transparent; color: var(--text); border-color: var(--border); }
:root:not([data-theme="light"]) .btn-outline { border-color: rgba(255,255,255,0.35); color: #fff; }
.btn-outline:hover { background: rgba(26,111,219,0.1); border-color: var(--blue); }
.btn-block { width: 100%; }
.btn-whatsapp { background: #25D366; color: #fff !important; border-color: #25D366; }
.btn-whatsapp:hover { background: #1ebe57; border-color: #1ebe57; }

.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: var(--header-bg); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border); transition: var(--transition);
}
.header.scrolled { box-shadow: 0 4px 30px rgba(0,0,0,0.15); }
.nav-container { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-img { height: 36px; width: auto; }
:root:not([data-theme="light"]) .logo-img { filter: brightness(0) invert(1); }
[data-theme="light"] .logo-img { filter: none; }
.logo-text { font-weight: 700; font-size: 1.15rem; color: var(--text); letter-spacing: -0.3px; }
.logo-text span { font-weight: 500; font-size: 0.75rem; display: block; line-height: 1; color: var(--text-muted); margin-top: -2px; }
.nav { display: flex; gap: 4px; align-items: center; }
.nav-link { font-size: 0.88rem; font-weight: 500; color: var(--text-muted); transition: var(--transition); padding: 8px 12px; border-radius: 8px; }
.nav-link:hover, .nav-link.active { color: var(--blue); background: rgba(26,111,219,0.1); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.theme-toggle {
  width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--border);
  background: var(--card-bg); color: var(--text); cursor: pointer;
  display: flex; align-items: center; justify-content: center; font-size: 1.15rem; transition: var(--transition);
}
.theme-toggle:hover { border-color: var(--blue); color: var(--blue); }
.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); border-radius: 2px; transition: var(--transition); }

.hero { position: relative; min-height: 88vh; display: flex; align-items: center; padding-top: 72px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-image { width: 100%; height: 100%; object-fit: cover; object-position: right center; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(10,22,40,0.95) 0%, rgba(10,22,40,0.8) 50%, rgba(10,22,40,0.45) 100%);
}
[data-theme="light"] .hero-overlay {
  background: linear-gradient(105deg, rgba(245,247,250,0.95) 0%, rgba(245,247,250,0.85) 45%, rgba(245,247,250,0.4) 100%);
}
.hero-content { position: relative; z-index: 1; max-width: 640px; padding: 80px 20px; }
.hero-badge {
  display: inline-block; background: rgba(26,111,219,0.15); color: var(--blue);
  font-size: 0.8rem; font-weight: 600; padding: 6px 14px; border-radius: 50px; margin-bottom: 20px; letter-spacing: 0.5px;
}
.hero-title { font-size: clamp(2.5rem, 5.5vw, 3.8rem); font-weight: 800; line-height: 1.15; margin-bottom: 20px; color: var(--text); }
.hero-title span { color: var(--blue); }
.hero-subtitle { font-size: 1.1rem; color: var(--text-muted); margin-bottom: 36px; max-width: 520px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }

.section { padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 48px; }
.section-tag { display: inline-block; font-size: 0.8rem; font-weight: 600; color: var(--blue); text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 10px; }
.section-title { font-size: clamp(1.8rem, 3.5vw, 2.4rem); font-weight: 700; color: var(--text); margin-bottom: 12px; }
.section-desc { color: var(--text-muted); font-size: 1.05rem; max-width: 560px; margin: 0 auto; }

.card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 24px; transition: var(--transition); }
.card:hover { border-color: var(--blue); transform: translateY(-4px); box-shadow: var(--shadow); }
.card h3 { font-size: 1.15rem; margin-bottom: 10px; color: var(--text); }
.card p { font-size: 0.95rem; color: var(--text-muted); }

.about-grid, .two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.about-text p { color: var(--text-muted); margin-bottom: 16px; font-size: 1.05rem; }
.about-stats { display: flex; gap: 28px; margin-top: 28px; flex-wrap: wrap; }
.stat-number { display: block; font-size: 1.7rem; font-weight: 800; color: var(--blue); }
.stat-label { font-size: 0.85rem; color: var(--text-muted); }
.rounded-img { border-radius: var(--radius-lg); box-shadow: var(--shadow); width: 100%; }

.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 22px; }
.service-icon { font-size: 1.8rem; margin-bottom: 12px; }

.packages-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 22px; }
.package-card {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 30px 24px; position: relative; display: flex; flex-direction: column; transition: var(--transition);
}
.package-card:hover { transform: translateY(-5px); border-color: rgba(26,111,219,0.5); }
.package-card.featured { border-color: var(--blue); box-shadow: 0 0 0 1px var(--blue); }
.package-badge { position: absolute; top: -12px; right: 18px; background: var(--blue); color: #fff; font-size: 0.75rem; font-weight: 700; padding: 4px 12px; border-radius: 50px; }
.package-price { font-size: 1.15rem; font-weight: 700; color: var(--blue); margin: 8px 0 20px; }
.package-features li {
  padding: 8px 0; color: var(--text-muted); font-size: 0.95rem; border-bottom: 1px solid var(--border);
  position: relative; padding-left: 22px;
}
.package-features li::before { content: '✓'; position: absolute; left: 0; color: var(--blue); font-weight: 700; }
.packages-note { text-align: center; margin-top: 28px; color: var(--text-muted); font-size: 0.85rem; }

.projects-grid, .blog-grid, .store-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.project-card, .blog-card, .store-card {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; transition: var(--transition);
}
.project-card:hover, .blog-card:hover, .store-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--blue); }
.project-card img, .blog-card img, .store-card img { width: 100%; height: 180px; object-fit: cover; }
.project-body, .blog-body, .store-body { padding: 22px; }
.project-tag, .blog-tag { font-size: 0.75rem; font-weight: 600; color: var(--blue); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.store-price { font-size: 1.2rem; font-weight: 700; color: var(--blue); margin: 10px 0; }

.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; }
.contact-item { margin-bottom: 24px; }
.contact-item strong { display: block; color: var(--blue); font-size: 0.9rem; margin-bottom: 6px; }
.contact-item a { color: var(--text-muted); transition: var(--transition); }
.contact-item a:hover { color: var(--blue); }
.contact-form { background: var(--card-bg); border-radius: var(--radius-lg); padding: 32px; border: 1px solid var(--border); }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 500; color: var(--text-muted); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px; background: var(--body-bg); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text); font-family: inherit; font-size: 0.95rem; transition: var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(26,111,219,0.2);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-note { margin-top: 12px; font-size: 0.8rem; color: var(--text-muted); text-align: center; }

.page-hero { padding: 140px 0 60px; background: var(--navy-dark); text-align: center; }
.page-hero h1 { font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 800; margin-bottom: 12px; }
.page-hero p { color: var(--text-muted); max-width: 560px; margin: 0 auto; }

.footer { background: var(--footer-bg); border-top: 1px solid var(--border); padding-top: 56px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 36px; padding-bottom: 44px; }
.footer-logo { height: 36px; margin-bottom: 14px; }
:root:not([data-theme="light"]) .footer-logo { filter: brightness(0) invert(1); }
[data-theme="light"] .footer-logo { filter: none; }
.footer-brand p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 10px; }
.footer-brand .tagline { color: var(--blue); font-weight: 600; font-size: 0.9rem; }
.footer-links h4, .footer-contact h4 { font-size: 1rem; color: var(--text); margin-bottom: 14px; }
.footer-links a { display: block; color: var(--text-muted); font-size: 0.9rem; margin-bottom: 8px; transition: var(--transition); }
.footer-links a:hover { color: var(--blue); }
.footer-contact p, .footer-contact a { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 6px; display: block; }
.footer-contact a:hover { color: var(--blue); }
.footer-bottom { border-top: 1px solid var(--border); padding: 18px 0; text-align: center; }
.footer-bottom p { color: var(--text-muted); font-size: 0.8rem; }

.whatsapp-float {
  position: fixed; bottom: 28px; right: 28px; z-index: 999; width: 60px; height: 60px;
  background: #25D366; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 20px rgba(37,211,102,0.45); transition: transform 0.25s ease, box-shadow 0.25s ease; color: #fff;
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 8px 28px rgba(37,211,102,0.55); }
.whatsapp-icon { width: 32px; height: 32px; }
.whatsapp-tooltip {
  position: absolute; right: 72px; background: #128C7E; color: #fff; padding: 8px 14px;
  border-radius: 8px; font-size: 0.85rem; font-weight: 500; white-space: nowrap;
  opacity: 0; visibility: hidden; transform: translateX(8px); transition: 0.25s ease; pointer-events: none;
}
.whatsapp-tooltip::after {
  content: ''; position: absolute; right: -6px; top: 50%; transform: translateY(-50%);
  border: 6px solid transparent; border-left-color: #128C7E;
}
.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; visibility: visible; transform: translateX(0); }

@media (max-width: 980px) {
  .nav {
    position: fixed; top: 72px; left: 0; right: 0; background: var(--card-bg);
    flex-direction: column; padding: 20px; gap: 4px; transform: translateY(-130%);
    opacity: 0; visibility: hidden; transition: var(--transition); border-bottom: 1px solid var(--border); box-shadow: var(--shadow);
  }
  .nav.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-link { width: 100%; text-align: center; padding: 12px; }
  .nav-toggle { display: flex; }
  .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
  .about-grid, .two-col, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; }
  .btn { width: 100%; }
  .whatsapp-float { bottom: 20px; right: 20px; width: 54px; height: 54px; }
  .whatsapp-icon { width: 28px; height: 28px; }
  .whatsapp-tooltip { display: none; }
  .logo-text { font-size: 1rem; }
}