:root {
    --bg: #0f172a;
    --card: #111827;
    --text: #f8fafc;
    --muted: #94a3b8;
    --accent: #38bdf8;
    --accent-dark: #0284c7;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: Inter, system-ui, sans-serif;
    background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.12), transparent 35%),
        linear-gradient(180deg, #020617 0%, #0f172a 100%);
    color: var(--text);
    line-height: 1.6;
}



header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

.container {
    width: min(1200px, calc(100% - 2rem));
    margin: 0 auto;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: 0.05em;
}

.logo img {
    margin-bottom: -6rem;
    height: 150px;
    filter: drop-shadow(0 0 5px rgba(56, 189, 248, 0.5));
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.nav-links a {
    color: var(--muted);
    text-decoration: none;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: var(--text);
}

.hero {
    min-height: calc(100vh - 84px);
    display: grid;
    place-items: center;
    padding: 4rem 0;
}

.hero-content {
    text-align: center;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    line-height: 1.05;
    margin-bottom: 1rem;
}

.hero-text {
    color: var(--muted);
    margin-bottom: 2rem;
    font-size: 1.05rem;
}

.buttons {
    display: inline-flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.btn,
.btn-secondary {
    padding: 0.95rem 1.8rem;
    border-radius: 999px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.btn {
    background: var(--accent);
    color: #0f172a;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.07);
    color: var(--text);
}

.btn:hover,
.btn-secondary:hover {
    transform: translateY(-2px);
}

section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 2rem;
}

.section-title h2 {
    font-size: clamp(2rem, 3vw, 3rem);
    margin-bottom: 0.5rem;
}

.section-title p {
    color: var(--muted);
    max-width: 720px;
    margin: 0 auto;
}

.grid {
    display: grid;
    gap: 1rem;
}

.feature-card,
.service-card,
.testimonial-card,
.faq-card,
.contact-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(148, 163, 184, 0.12);
    border-radius: 1.25rem;
    padding: 2rem;
    backdrop-filter: blur(10px);
}

.feature-card h3,
.service-card h3,
.testimonial-card h3,
.faq-card h3,
.contact-card h3 {
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
}

.feature-card p,
.service-card p,
.testimonial-card p,
.faq-card p,
.contact-card p {
    color: var(--muted);
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.hero-visual {
    margin-top: 3rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.hero-visual div {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(148, 163, 184, 0.12);
    border-radius: 1.25rem;
    padding: 1.75rem;
}

.hero-visual h3 {
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.hero-visual p {
    color: var(--muted);
}

.contact-grid {
    display: grid;
    gap: 1.5rem;
}

.contact-grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.contact-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-card p,
.contact-card address {
    color: var(--muted);
    line-height: 1.7;
}

.contact-form {
    display: grid;
    gap: 1rem;
}

.form-control {
    display: grid;
    gap: 0.5rem;
}

.form-control label {
    font-weight: 600;
}

.form-control input,
.form-control textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: 0.85rem;
    color: var(--text);
    padding: 0.95rem 1rem;
}

.form-control textarea {
    min-height: 180px;
    resize: vertical;
}

.form-status {
    padding: 1rem 1.25rem;
    border-radius: 1rem;
    color: var(--text);
    background: rgba(56, 189, 248, 0.12);
    border: 1px solid rgba(56, 189, 248, 0.25);
    margin-bottom: 1rem;
}

.captcha-box {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: 0.85rem;
    padding: 1rem;
    color: var(--text);
}

.captcha-box strong {
    display: block;
    margin-bottom: 0.5rem;
}

.captcha-error {
    color: #f87171;
    font-size: 0.95rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-item {
    display: block;
    overflow: hidden;
    border-radius: 1rem;
    border: 1px solid rgba(148, 163, 184, 0.18);
    background: rgba(255, 255, 255, 0.04);
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.gallery-item:hover {
    transform: translateY(-2px);
    border-color: rgba(56, 189, 248, 0.45);
}

.gallery-item img {
    display: block;
    width: 100%;
    height: 180px;
    object-fit: cover;
    cursor: pointer;
}

.lightbox {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: rgba(2, 6, 23, 0.9);
}

.lightbox.active {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.lightbox img {
    max-width: min(92vw, 1000px);
    max-height: 80vh;
    border-radius: 1rem;
    object-fit: contain;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.lightbox p {
    color: var(--text);
    text-align: center;
}

.lightbox-close {
    align-self: flex-end;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.4rem;
}

footer {
    padding: 2.5rem 0;
    border-top: 1px solid rgba(148, 163, 184, 0.12);
    color: var(--muted);
}

.footer-inner {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}

.footer-inner p {
    margin: 0;
}

.footer-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

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

a:hover {
    color: var(--text);
}

@media (max-width: 768px) {
    header {
        padding-bottom: 1rem;
    }

    nav {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
        padding: 0.75rem 0 0.5rem;
    }

    .logo {
        display: flex;
        justify-content: center;
        width: 100%;
        margin-bottom: 0;
    }

    .logo img {
        height: 125px;
    }

    .nav-links {
        display: none;
    }

    .hero {
        margin-top: 50px;
        padding: 3rem 0 2rem;
        min-height: auto;
    }

    .hero-title {
        font-size: clamp(2rem, 8vw, 2.8rem);
    }

    .hero-content {
        text-align: center;
    }

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

    .section-title h2 {
        font-size: clamp(1.6rem, 7vw, 2.2rem);
    }

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

    .gallery-item img {
        height: 140px;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
        justify-content: center;
    }

    .footer-links {
        justify-content: center;
    }
}