:root {
    --navy: #0F172A;
    --navy-light: #1E293B;
    --gold: #C8A45D;
    --gray: #64748B;
    --bg: #F8FAFC;
    --white: #FFFFFF;
}

html {
    scroll-behavior: smooth;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background: var(--bg);
    color: var(--navy);
}

.container {
    width: 90%;
    max-width: 1400px;
    margin: auto;
}

header {
    background: white;
    border-bottom: 1px solid #e5e7eb;
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    height: 110px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 85px;
    display: block;
    object-fit: contain;
}

.menu {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.menu a {
    text-decoration: none;
    color: var(--navy);
    font-weight: 600;
    transition: all 0.3s ease;
}

.nav-link {
    padding: 12px 18px;
    border-radius: 999px;
    border: 1px solid rgba(15, 23, 42, 0.12);
    background: #f8fafc;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.04);
}

.nav-link:hover {
    color: var(--gold);
    background: rgba(200, 164, 93, 0.12);
    border-color: rgba(200, 164, 93, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(15, 23, 42, 0.08);
}

.btn {
    padding: 14px 28px;
    border: none;
    cursor: pointer;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    transition: transform 0.2s ease, background 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.btn-primary {
    background: var(--gold);
    color: white;
}

.btn-primary:hover {
    background: #b3904b;
    transform: translateY(-2px);
}

.hero {
    padding: 100px 0;
    background: white;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 25px;
}

.hero p {
    font-size: 1.2rem;
    line-height: 1.9;
    color: var(--gray);
    margin-bottom: 35px;
}

.hero-image img {
    width: 100%;
    height: 550px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, .08);
}

.section {
    padding: 100px 0;
}

.section-title {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 20px;
}

.section-subtitle {
    text-align: center;
    max-width: 850px;
    margin: auto;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 60px;
}

.problems {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.problem {
    background: white;
    padding: 35px;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, .05);
}

.problem h3 {
    margin-bottom: 15px;
}

.problem p {
    line-height: 1.7;
    color: var(--gray);
}

.about {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
}

.about-media {
    position: relative;
    min-height: 420px;
    border-radius: 20px;
    overflow: hidden;
    background: #e2e8f0;
    box-shadow: 0 14px 35px rgba(15, 23, 42, 0.08);
}

.carousel-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transform: scale(1);
    transition: transform 8s ease;
}

.carousel-slide.active img {
    transform: scale(1.08);
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.about-text p {
    line-height: 1.9;
    margin-top: 20px;
    color: var(--gray);
    font-size: 1.1rem;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.stat {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 4px 25px rgba(0,0,0,0.03);
    transition: transform 0.3s ease;
}

.stat:hover {
    transform: translateY(-5px);
}

.stat h2 {
    font-size: 2.8rem;
    color: var(--gold);
    margin-bottom: 10px;
    font-weight: 800;
}

.stat p {
    font-weight: 600;
    color: var(--navy);
    font-size: 1.05rem;
    line-height: 1.4;
}

.stat span {
    display: block;
    margin-top: 8px;
    font-size: 0.9rem;
    color: var(--gray);
    font-weight: 400;
    line-height: 1.4;
}

.tech {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.tech div {
    background: white;
    padding: 30px 25px;
    text-align: center;
    border-radius: 15px;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
    border-left: 4px solid var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tech div:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

.process {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.step {
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.02);
}

.step span {
    font-size: 14px;
    color: var(--gold);
    font-weight: 700;
}

.step h3 {
    margin: 15px 0;
}

.step p {
    color: var(--gray);
    line-height: 1.8;
}

.cta {
    background: var(--navy);
    color: white;
    text-align: center;
    padding: 120px 20px;
}

.cta h2 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.cta p {
    max-width: 900px;
    margin: auto;
    line-height: 1.9;
    margin-bottom: 35px;
    color: #94a3b8;
    font-size: 1.2rem;
}

footer {
    background: #0A1120;
    color: white;
    padding: 28px 20px;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    max-width: 1000px;
    margin: auto;
}

.footer-logo {
    height: 96px;
    display: block;
    object-fit: contain;
    opacity: 0.95;
}

.footer-text {
    text-align: left;
}

footer h3 {
    font-size: 1.02rem;
    letter-spacing: 1px;
    margin-bottom: 6px;
    font-weight: 700;
}

footer p {
    color: #cbd5e1;
    margin-top: 4px;
    font-size: 0.92rem;
}

@media(max-width: 992px) {
    nav {
        height: 95px;
    }

    .logo img {
        height: 75px;
    }

    .hero-grid,
    .about {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .stats,
    .process {
        grid-template-columns: 1fr 1fr;
    }

    .menu {
        display: none;
    }

    .hero h1 {
        font-size: 2.8rem;
    }

    .hero-image img {
        height: 380px;
    }
}

@media(max-width: 768px) {
    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .footer-text {
        text-align: center;
    }
}