/* ===== Variables ===== */
:root {
    --bg-dark: #0a0a0f;
    --bg-section: #0e0e15;
    --bg-card: #141420;
    --bg-card-hover: #1a1a2e;
    --blue-primary: #00a8e8;
    --blue-light: #4dc9f6;
    --blue-glow: rgba(0, 168, 232, 0.15);
    --silver: #c0c0c0;
    --text-primary: #e8e8ee;
    --text-secondary: #9999aa;
    --text-muted: #666677;
    --border: #222233;
    --radius: 12px;
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Open Sans', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: 'Rajdhani', sans-serif;
    font-weight: 700;
    letter-spacing: 0.5px;
}

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

a:hover {
    color: var(--blue-light);
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Navigation ===== */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo img {
    height: 45px;
    width: auto;
    border-radius: 6px;
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color var(--transition);
}

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

.btn-nav {
    background: var(--blue-primary) !important;
    color: #fff !important;
    padding: 8px 20px;
    border-radius: 6px;
    font-size: 0.9rem !important;
    transition: background var(--transition), transform var(--transition) !important;
}

.btn-nav:hover {
    background: var(--blue-light) !important;
    transform: translateY(-1px);
}

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

.nav-toggle span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    font-family: 'Rajdhani', sans-serif;
    font-weight: 700;
    font-size: 1.05rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    border: none;
    transition: all var(--transition);
}

.btn-primary {
    background: var(--blue-primary);
    color: #fff;
    box-shadow: 0 4px 20px rgba(0, 168, 232, 0.3);
}

.btn-primary:hover {
    background: var(--blue-light);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(0, 168, 232, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--blue-primary);
    border: 2px solid var(--blue-primary);
}

.btn-outline:hover {
    background: var(--blue-primary);
    color: #fff;
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
    text-align: center;
}

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    background: radial-gradient(ellipse at center top, rgba(0, 168, 232, 0.08) 0%, transparent 60%),
                var(--bg-dark);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="60" height="60"><rect fill="none" width="60" height="60"/><circle fill="rgba(0,168,232,0.04)" cx="30" cy="30" r="1"/></svg>');
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-logo {
    width: 180px;
    border-radius: 16px;
    margin-bottom: 24px;
    box-shadow: 0 0 40px rgba(0, 168, 232, 0.2);
}

.hero h1 {
    font-size: 3rem;
    line-height: 1.15;
    margin-bottom: 16px;
    color: #fff;
}

.hero .accent {
    color: var(--blue-primary);
}

.hero-sub {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 520px;
    margin: 0 auto 32px;
}

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

/* ===== Sections ===== */
.section {
    padding: 96px 0;
}

.section-dark {
    background: var(--bg-section);
}

.section-title {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 12px;
    color: #fff;
}

.section-sub {
    text-align: center;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto 48px;
}

/* ===== Services ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: all var(--transition);
}

.service-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(0, 168, 232, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 168, 232, 0.08);
}

.service-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
    color: var(--blue-primary);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
    color: #fff;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===== About ===== */
.about-content {
    max-width: 700px;
    margin: 0 auto;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 1.05rem;
    line-height: 1.8;
}

.about-stats {
    display: flex;
    gap: 32px;
    margin-top: 32px;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    align-items: center;
    gap: 10px;
}

.stat-icon {
    width: 28px;
    height: 28px;
    color: var(--blue-primary);
    flex-shrink: 0;
}

.stat-icon svg {
    width: 100%;
    height: 100%;
}

.stat-text {
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
}

/* ===== Quote Form ===== */
.quote-form {
    max-width: 650px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: 'Open Sans', sans-serif;
    font-size: 0.95rem;
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--blue-primary);
    box-shadow: 0 0 0 3px var(--blue-glow);
}

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

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 12 12"><path fill="%239999aa" d="M6 8.5L1 3.5h10z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 14px center;
}

.form-status {
    text-align: center;
    margin-top: 16px;
    font-weight: 600;
    min-height: 24px;
}

.form-status.success {
    color: #4ade80;
}

.form-status.error {
    color: #f87171;
}

/* ===== Contact ===== */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.contact-card {
    text-align: center;
    padding: 32px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.contact-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 16px;
    color: var(--blue-primary);
}

.contact-icon svg {
    width: 100%;
    height: 100%;
}

.contact-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: #fff;
}

.contact-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.contact-card a {
    color: var(--blue-primary);
}

/* ===== Footer ===== */
.footer {
    padding: 32px 0;
    border-top: 1px solid var(--border);
    text-align: center;
}

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

.footer-logo {
    height: 36px;
    border-radius: 6px;
    opacity: 0.7;
}

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

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(12px);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        transform: translateY(-120%);
        transition: transform var(--transition);
        border-bottom: 1px solid var(--border);
    }

    .nav-links.open {
        transform: translateY(0);
    }

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

    .hero-logo {
        width: 130px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .about-stats {
        flex-direction: column;
        gap: 16px;
    }

    .section {
        padding: 64px 0;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.7rem;
    }

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

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

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