@import url('https://fonts.googleapis.com/css2?family=Lexend:wght@300;400;500;700&display=swap');

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

body {
    background-color: var(--sartek-black);
    margin: 0;
    overflow-x: hidden;
    overflow-y: auto;
}

:root {
    --sartek-black: #050505;
    --sartek-carbon: #1a1a1a;
    --sartek-green: #4f5d4e;
    --sartek-light-green: #7c8e7a;
    --sartek-accent: #b3c5b0;
    --sartek-white: #f4f5f4;
    --sartek-text-muted: rgba(244, 245, 244, 0.6);
}

.cubes-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
}

.overlay {
    position: relative;
    width: 100%;
    min-height: 100vh;
    z-index: 1;
    display: flex;
    flex-direction: column;
    padding: 2rem 4rem;
    font-family: 'Lexend', sans-serif;
    color: var(--sartek-white);
}

.overlay a,
.overlay button,
.overlay input,
.overlay textarea {
    cursor: pointer;
}

/* Nav */
.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--sartek-white);
}

.nav-brand span {
    color: var(--sartek-light-green);
}

/* Social Links (Center Nav) */
.social-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.social-links a {
    color: var(--sartek-text-muted);
    font-size: 1.2rem;
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-links a:hover {
    color: var(--sartek-accent);
    transform: translateY(-2px);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-decoration: none;
    text-transform: uppercase;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--sartek-green);
    color: var(--sartek-white);
    border: 1px solid var(--sartek-green);
}

.btn-primary:hover {
    background: var(--sartek-light-green);
    border-color: var(--sartek-light-green);
}

.btn-outline {
    color: var(--sartek-white);
    border: 1px solid rgba(244, 245, 244, 0.3);
    background: rgba(5, 5, 5, 0.5);
    backdrop-filter: blur(4px);
}

.btn-outline:hover {
    border-color: var(--sartek-accent);
    color: var(--sartek-accent);
    background: rgba(79, 93, 78, 0.2);
}

/* Hero */
.hero {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
}

.hero-left {
    max-width: 600px;
}

.hero-left h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 300;
    line-height: 1.2;
    letter-spacing: -0.01em;
    margin-bottom: 1rem;
}

.hero-left h1 strong {
    font-weight: 700;
    color: var(--sartek-light-green);
}

.services {
    margin-top: 2rem;
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    color: var(--sartek-accent);
    text-transform: uppercase;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.services span::after {
    content: ' \/\/ ';
    margin-left: 1rem;
    color: var(--sartek-green);
}

.services span:last-child::after {
    content: '';
}

/* Contact Form / Right Side */
.hero-right {
    max-width: 400px;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    background: rgba(26, 26, 26, 0.6);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.hero-right h3 {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--sartek-white);
    margin-bottom: 0.5rem;
}

.description {
    font-size: 0.9rem;
    font-weight: 300;
    line-height: 1.6;
    color: var(--sartek-text-muted);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.8rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: var(--sartek-white);
    font-family: inherit;
    font-size: 0.85rem;
    transition: border-color 0.3s;
}

.contact-form textarea {
    resize: vertical;
    min-height: 80px;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--sartek-light-green);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

/* ==================================
   RESPONSIVENESS (Mobile & Tablet)
   ================================== */

@media (max-width: 968px) {
    .hero {
        flex-direction: column;
        justify-content: center;
        align-items: center;
        text-align: center;
        gap: 3rem;
    }

    .hero-left {
        max-width: 100%;
    }

    .services {
        justify-content: center;
    }

    .hero-right {
        max-width: 100%;
        align-items: center;
    }
}

@media (max-width: 768px) {
    .overlay {
        padding: 1.5rem 2rem;
    }

    .nav {
        flex-wrap: wrap;
        gap: 1rem;
        justify-content: center;
    }

    .social-links {
        display: none;
        /* Hide on small screens to keep it clean */
    }

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

    .hero-left h1 {
        font-size: clamp(2rem, 8vw, 2.5rem);
        margin-top: 2rem;
    }

    .services {
        flex-direction: column;
        gap: 0.5rem;
    }

    .services span::after {
        display: none;
        /* Remove // separator on mobile */
    }

    .hero-right {
        padding: 1.5rem;
    }
}