/* ============================================================
   ZAi Teks Group - Enterprise CSS
   Primary Navbar Color: rgba(199, 210, 214, 0.95)
   ============================================================ */

:root {
    --primary: #036593;
    --primary-dark: #024a6e;
    --primary-light: #1a7fae;
    --primary-gradient: linear-gradient(135deg, #036593 0%, #024a6e 100%);
    --accent: #2b9fd1;
    --accent-hover: #1a7fae;
    --accent-glow: rgba(3, 101, 147, 0.25);
    --text-white: #ffffff;
    --text-dark: #1a2a3a;
    --text-muted: #4a6a7a;
    --text-light: #6a8a9a;
    --bg-body: #f0f4f6;
    --bg-card: #ffffff;
    --bg-dark-section: #e8edf0;
    --border-light: rgba(255, 255, 255, 0.12);
    --shadow: 0 4px 20px rgba(3, 101, 147, 0.08);
    --navbar-bg: rgba(199, 210, 214, 0.95);
    --navbar-bg-scrolled: rgba(180, 192, 196, 0.98);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-body);
    color: var(--text-dark);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================================
   HEADER / NAVBAR
   ============================================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 2rem;
    height: auto;
    min-height: 143px;
    background: var(--navbar-bg) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.3s ease;
}

.site-header.scrolled {
    background: var(--navbar-bg-scrolled) !important;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.06);
}

/* Logo */
.logo {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-dark);
}

.logo span {
    color: var(--primary);
}

.logo .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    display: inline-block;
    box-shadow: 0 0 20px var(--accent-glow);
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.8); }
}

/* Navigation Links */
.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
    opacity: 0.8;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
    box-shadow: 0 0 12px var(--accent-glow);
}

.nav-links a:hover {
    opacity: 1;
    color: var(--primary);
}

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

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary {
    background: var(--primary);
    color: #ffffff;
    border: none;
    padding: 10px 28px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    box-shadow: 0 4px 15px rgba(3, 101, 147, 0.25);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(3, 101, 147, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-dark);
    border: 1px solid rgba(3, 101, 147, 0.3);
    padding: 10px 28px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-secondary:hover {
    border-color: var(--primary);
    background: rgba(3, 101, 147, 0.05);
    transform: translateY(-2px);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 2rem 80px;
    position: relative;
    overflow: hidden;
    background: var(--primary-gradient);
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(127, 201, 230, 0.12), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(127, 201, 230, 0.08), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.12);
    color: #7fc9e6;
    padding: 6px 20px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(3rem, 6vw, 5.5rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -2px;
    margin-bottom: 24px;
    color: #ffffff;
}

.hero h1 .highlight {
    color: #7fc9e6;
}

.hero p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 560px;
    line-height: 1.7;
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 4rem;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-stats .stat {
    display: flex;
    flex-direction: column;
}

.hero-stats .stat-number {
    font-size: 2.2rem;
    font-weight: 700;
    color: #ffffff;
}

.hero-stats .stat-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 4px;
}

/* ============================================================
   GLOW LINES
   ============================================================ */
.glow-line {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), transparent);
    border-radius: 4px;
    margin-bottom: 20px;
    box-shadow: 0 0 30px rgba(3, 101, 147, 0.3);
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
    padding: 80px 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    margin-bottom: 60px;
}

.section-header .glow-line {
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 2.8rem;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 12px;
    color: var(--primary-dark);
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 500px;
}

/* ============================================================
   SERVICES GRID
   ============================================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid #dce8f0;
    border-radius: 16px;
    padding: 32px 28px;
    transition: all 0.4s ease;
    cursor: default;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), #7fc9e6);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service-card:hover {
    border-color: var(--primary);
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(3, 101, 147, 0.12);
}

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

.service-card .icon {
    font-size: 2.4rem;
    margin-bottom: 16px;
}

.service-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--primary-dark);
}

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

/* ============================================================
   TRUST BAR
   ============================================================ */
.trust-bar {
    padding: 60px 20px;
    text-align: center;
    background: var(--bg-dark-section);
    border-top: 1px solid #d4e0e8;
    border-bottom: 1px solid #d4e0e8;
}

.trust-bar .label {
    color: var(--text-muted);
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.trust-items {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    font-size: 1.1rem;
    color: var(--text-muted);
}

.trust-items span {
    font-weight: 600;
    color: var(--primary-dark);
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
    padding: 80px 20px;
    text-align: center;
    background: var(--primary-gradient);
}

.cta-section h2 {
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: #ffffff;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.8);
    max-width: 500px;
    margin: 0 auto 30px;
    font-size: 1.1rem;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    background: #013a57;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 60px 2rem 30px;
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
}

.footer-grid h4 {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-grid p,
.footer-grid a {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
    line-height: 1.8;
    text-decoration: none;
    display: block;
}

.footer-grid a:hover {
    color: #7fc9e6;
}

.footer-bottom {
    max-width: 1200px;
    margin: 40px auto 0;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    text-align: center;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.85rem;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 992px) {
    .site-header {
        min-height: 100px !important;
    }
    body {
        padding-top: 100px !important;
    }
}

@media (max-width: 768px) {
    .site-header {
        padding: 0 1rem;
        min-height: 80px !important;
    }

    .nav-links {
        gap: 1rem;
    }

    .nav-links a {
        font-size: 0.8rem;
    }

    .hero {
        padding: 100px 1rem 60px;
    }

    .hero h1 {
        font-size: 2.4rem;
    }

    .hero-stats {
        gap: 2rem;
        flex-wrap: wrap;
    }

    .section {
        padding: 50px 1rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .trust-items {
        gap: 20px;
        font-size: 0.9rem;
    }

    .cta-section h2 {
        font-size: 1.8rem;
    }

    body {
        padding-top: 80px !important;
    }
}

@media (max-width: 480px) {
    .site-header {
        min-height: 64px !important;
        padding: 0 0.5rem;
    }

    .nav-links {
        gap: 0.5rem;
    }

    .nav-links a {
        font-size: 0.65rem;
    }

    .nav-links a::after {
        display: none;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        text-align: center;
    }

    .hero {
        padding: 80px 1rem 40px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-stats .stat-number {
        font-size: 1.6rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    body {
        padding-top: 64px !important;
    }
}