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

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, sans-serif;
    background: #f4f1ea;
    color: #1f2933;
}

.header {
    min-height: 100vh;
    background:
        linear-gradient(rgba(17, 24, 39, 0.75), rgba(17, 24, 39, 0.75)),
        url("Hus.jpg");
    background-size: cover;
    background-position: center;
    color: white;
}

.navbar {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    width: 180px;
    height: auto;
    object-fit: contain;
    transition: 0.3s ease;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 600;
}

.nav-btn,
.primary-btn,
.secondary-btn,
.hero-card button,
.contact-form button {
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-weight: 700;
    border-radius: 999px;
    transition: 0.2s ease;
}

.nav-btn,
.primary-btn,
.hero-card button,
.contact-form button {
    background: #f59e0b;
    color: #111827;
    padding: 0.9rem 1.4rem;
}

.secondary-btn {
    color: white;
    border: 2px solid white;
    padding: 0.85rem 1.4rem;
}

.nav-btn:hover,
.primary-btn:hover,
.hero-card button:hover,
.contact-form button:hover {
    background: #fbbf24;
    transform: translateY(-2px);
}

.secondary-btn:hover {
    background: white;
    color: #111827;
}

.hero {
    width: 90%;
    max-width: 1200px;
    min-height: 80vh;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 0.8fr;
    gap: 3rem;
    align-items: center;
}

.eyebrow,
.section-label {
    color: #f59e0b;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 5rem);
    line-height: 1;
    max-width: 780px;
    margin-bottom: 1.5rem;
}

.hero-content p {
    max-width: 620px;
    font-size: 1.15rem;
    line-height: 1.7;
    color: #e5e7eb;
}

.hero-buttons {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-card {
    background: white;
    color: #111827;
    padding: 2rem;
    border-radius: 1.5rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.hero-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.hero-card p {
    color: #4b5563;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.section {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 6rem 0;
}

.section h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    margin-bottom: 2.5rem;
}

.service-grid,
.project-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.service-card,
.project-card {
    background: white;
    padding: 2rem;
    border-radius: 1.5rem;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

.service-card h3,
.project-card h3 {
    margin-bottom: 0.8rem;
    font-size: 1.3rem;
}

.service-card p,
.project-card p,
.contact-section p {
    color: #4b5563;
    line-height: 1.7;
}

.dark-section {
    max-width: none;
    width: 100%;
    background: #111827;
    color: white;
    padding-left: 5%;
    padding-right: 5%;
}

.dark-section > * {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.project-grid {
    grid-template-columns: repeat(3, 1fr);
}

.project-card {
    color: #111827;
    overflow: hidden;
}

.project-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 1rem;
    margin-bottom: 1.5rem;
}

.image-one {
    background-image: url("https://images.unsplash.com/photo-1600607687939-ce8a6c25118c?auto=format&fit=crop&w=900&q=80");
}

.image-two {
    background-image: url("https://images.unsplash.com/photo-1556912173-3bb406ef7e77?auto=format&fit=crop&w=900&q=80");
}

.image-three {
    background-image: url("https://images.unsplash.com/photo-1600585154340-be6161a56a0c?auto=format&fit=crop&w=900&q=80");
}

.about-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-list {
    display: grid;
    gap: 1.5rem;
}

.about-list div {
    background: white;
    padding: 1.5rem;
    border-radius: 1rem;
    display: flex;
    gap: 1rem;
    align-items: center;
}

.about-list span {
    color: #f59e0b;
    font-weight: 900;
    font-size: 1.4rem;
}

.contact-section {
    text-align: center;
}

.contact-form {
    max-width: 650px;
    margin: 2rem auto 0;
    display: grid;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    border-radius: 0.8rem;
    border: 1px solid #d1d5db;
    font-size: 1rem;
}

.contact-form textarea {
    min-height: 160px;
    resize: vertical;
}

.socials-section {
    text-align: center;
}

.socials-section p {
    color: #4b5563;
    line-height: 1.7;
}

.social-buttons {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-btn {
    background: #f59e0b;
    color: #111827;
    padding: 1rem 2rem;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 700;

    display: flex;
    align-items: center;
    gap: 0.7rem;

    transition: 0.3s ease;
}

.social-btn i {
    font-size: 1.2rem;
}

.social-btn:hover {
    background: #fbbf24;
    transform: translateY(-3px);
}

.footer {
    background: #111827;
    color: white;
    text-align: center;
    padding: 2rem;
}

@media (max-width: 1200px) {
    .navbar {
        width: 96%;
        gap: 1rem;
    }

    .logo img {
        width: 130px;
    }

    .nav-links {
        gap: 1rem;
    }

    .nav-links a {
        font-size: 0.9rem;
        white-space: nowrap;
    }

    .nav-btn {
        padding: 0.75rem 1rem;
        font-size: 0.85rem;
        white-space: nowrap;
    }
}

@media (max-width: 950px) {
    .logo img {
        width: 100px;
    }

    .nav-links {
        gap: 0.55rem;
    }

    .nav-links a {
        font-size: 0.75rem;
    }

    .nav-btn {
        padding: 0.6rem 0.75rem;
        font-size: 0.75rem;
    }
}

@media (max-width: 780px) {
    .nav-links {
        display: none;
    }

    .navbar {
        justify-content: space-between;
    }

    .logo img {
        width: 95px;
    }

    .nav-btn {
        display: block;
        padding: 0.65rem 0.9rem;
        font-size: 0.8rem;
    }

    .hero,
    .about-section {
        grid-template-columns: 1fr;
    }

    .service-grid,
    .project-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 4rem 0;
        text-align: center;
    }

    .hero-content p {
        margin: 0 auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .primary-btn,
    .secondary-btn {
        width: 100%;
        max-width: 260px;
        text-align: center;
    }
}

.menu-toggle {
    display: none;
    background: #f59e0b;
    color: #111827;
    border: none;
    font-size: 1.7rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    font-weight: 800;
}

@media (max-width: 900px) {
    .navbar {
        width: 92%;
        position: relative;
    }

    .logo img {
        width: 110px;
    }

    .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .nav-btn {
        display: none;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(17, 24, 39, 0.97);
        padding: 1.5rem;
        border-radius: 1rem;
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        z-index: 99;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        font-size: 1rem;
    }

    .hero,
    .about-section {
        grid-template-columns: 1fr;
    }

    .service-grid,
    .project-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 4rem 0;
        text-align: center;
    }

    .hero-content p {
        margin: 0 auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .primary-btn,
    .secondary-btn {
        width: 100%;
        max-width: 260px;
        text-align: center;
    }
}

.scroll-top-btn {
    position: fixed;
    right: 30px;
    bottom: 30px;

    width: 55px;
    height: 55px;

    border: none;
    border-radius: 50%;

    background: #f59e0b;
    color: #111827;

    font-size: 1.6rem;
    font-weight: bold;

    cursor: pointer;

    display: flex;
    justify-content: center;
    align-items: center;

    box-shadow: 0 8px 25px rgba(0,0,0,0.25);

    opacity: 0;
    visibility: hidden;

    transition: 0.3s ease;

    z-index: 999;
}

.scroll-top-btn:hover {
    background: #fbbf24;
    transform: translateY(-3px);
}

.scroll-top-btn.show {
    opacity: 1;
    visibility: visible;
}

@media (max-width: 780px) {
    .scroll-top-btn {
        right: 16px;
        bottom: 16px;
        width: 48px;
        height: 48px;
        font-size: 1.4rem;
        z-index: 9999;
    }
}