:root {
    --navy: #071b35;
    --navy-2: #0b2b52;
    --blue: #0b84ff;
    --cyan: #29d3ff;
    --gold: #f6c453;
    --dark: #101827;
    --text: #5d6679;
    --soft: #f4f8fc;
    --white: #ffffff;
    --radius: 24px;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--dark);
    background: var(--white);
    line-height: 1.7;
}

h1, h2, h3, h4 {
    font-weight: 800;
    line-height: 1.15;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 5rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3.2rem);
}

p {
    color: var(--text);
}

a {
    text-decoration: none;
}

.glass-nav {
    background: rgba(7, 27, 53, 0.92);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.brand-mark {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.brand-icon {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    display: inline-grid;
    place-items: center;
    color: var(--navy);
    background: linear-gradient(135deg, var(--cyan), var(--gold));
    font-weight: 900;
}

.nav-link {
    font-weight: 600;
    color: rgba(255,255,255,0.86) !important;
    margin: 0 5px;
}

.nav-link:hover {
    color: var(--cyan) !important;
}

.btn-aotech {
    background: linear-gradient(135deg, var(--blue), var(--cyan));
    border: 0;
    color: white;
    font-weight: 800;
    border-radius: 999px;
    padding: 0.8rem 1.35rem;
    box-shadow: 0 15px 35px rgba(11,132,255,0.28);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-aotech:hover {
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 20px 45px rgba(11,132,255,0.35);
}

.hero-section {
    color: white;
    background:
        radial-gradient(circle at 80% 20%, rgba(41,211,255,0.28), transparent 30%),
        linear-gradient(135deg, #06152b 0%, #082447 55%, #071b35 100%);
    overflow: hidden;
}

.hero-section p {
    color: rgba(255,255,255,0.78);
}

.hero-text {
    font-size: 1.2rem;
    max-width: 720px;
}

.hero-background-blur {
    position: absolute;
    inset: -20px;
    background: linear-gradient(120deg, rgba(5, 8, 23, 0.55), rgba(17, 22, 83, 0.55)), url('../images/server-room-bg.jpg') center center / cover no-repeat;
    filter: blur(8px);
    transform: scale(1.04);
    z-index: -3;
}

.eyebrow {
    display: inline-flex;
    color: var(--cyan);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.13em;
    font-size: 0.78rem;
    margin-bottom: 1rem;
}

.eyebrow.dark {
    color: var(--blue);
}

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

.hero-card,
.premium-panel,
.side-card,
.content-card,
.product-feature,
.contact-form {
    background: white;
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: 0 24px 70px rgba(7, 27, 53, 0.12);
}

.hero-card {
    color: var(--dark);
    background: rgba(255,255,255,0.96);
}

.hero-card i,
.premium-panel i {
    font-size: 3rem;
    color: var(--blue);
    margin-bottom: 1rem;
    display: inline-block;
}

.section-padding {
    padding: 6rem 0;
}

.section-heading {
    max-width: 820px;
    margin: 0 auto 3rem;
    text-align: center;
}

.service-card,
.service-detail-card,
.solution-card,
.brand-card {
    background: white;
    border: 1px solid rgba(7,27,53,0.08);
    border-radius: var(--radius);
    padding: 1.8rem;
    box-shadow: 0 16px 40px rgba(7,27,53,0.06);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-card:hover,
.service-detail-card:hover,
.solution-card:hover,
.brand-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 26px 60px rgba(7,27,53,0.1);
}

.service-card i,
.card-icon i,
.solution-card > i {
    font-size: 2.4rem;
    color: var(--blue);
    margin-bottom: 1rem;
    display: inline-block;
}

.service-detail-card span {
    font-size: 0.78rem;
    font-weight: 800;
    color: var(--blue);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.split-section {
    padding: 6rem 0;
    background: linear-gradient(180deg, #ffffff 0%, #eef7ff 100%);
}

.premium-panel {
    background:
        linear-gradient(135deg, rgba(255,255,255,0.95), rgba(244,248,252,0.95)),
        radial-gradient(circle at top right, rgba(41,211,255,0.2), transparent 40%);
}

.dark-panel {
    background: linear-gradient(135deg, var(--navy), var(--navy-2));
    color: white;
}

.dark-panel p {
    color: rgba(255,255,255,0.76);
}

.bg-soft {
    background: var(--soft);
}

.brand-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.2rem;
}

.brand-pill,
.brand-card {
    background: white;
    border-radius: 20px;
    padding: 1.4rem;
    box-shadow: 0 14px 36px rgba(7,27,53,0.07);
}

.brand-pill strong,
.brand-pill span {
    display: block;
}

.brand-pill span,
.brand-card p {
    color: var(--text);
    font-size: 0.95rem;
}

.page-hero {
    padding: 10rem 0 5rem;
    color: white;
    background:
        radial-gradient(circle at 20% 20%, rgba(41,211,255,0.22), transparent 30%),
        linear-gradient(135deg, var(--navy), var(--navy-2));
}

.page-hero p {
    color: rgba(255,255,255,0.78);
    max-width: 820px;
    font-size: 1.15rem;
}

.solution-card ul,
.styled-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0 0;
}

.solution-card li,
.styled-list li {
    display: flex;
    gap: 0.7rem;
    margin-bottom: 0.85rem;
    color: var(--text);
}

.solution-card li i {
    color: var(--blue);
}

.note-box {
    background: #fff8e6;
    border-left: 4px solid var(--gold);
    padding: 1rem;
    border-radius: 14px;
    color: #6f5620;
}

.form-control,
.form-select {
    border-radius: 14px;
    padding: 0.9rem 1rem;
    border-color: rgba(7,27,53,0.14);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 0.2rem rgba(11,132,255,0.12);
}

.footer-section {
    background: var(--navy);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-section p {
    color: rgba(255,255,255,0.68);
}

.footer-section a {
    display: block;
    color: rgba(255,255,255,0.72);
    margin-bottom: 0.5rem;
}

.footer-section a:hover {
    color: var(--cyan);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: 2rem;
    padding-top: 1.5rem;
    color: rgba(255,255,255,0.58);
}

@media (max-width: 991px) {
    .brand-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .navbar-collapse {
        padding: 1rem 0;
    }
}

@media (max-width: 576px) {
    .section-padding {
        padding: 4rem 0;
    }

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

    .hero-actions .btn {
        width: 100%;
    }

    .hero-card,
    .premium-panel,
    .side-card,
    .content-card,
    .product-feature,
    .contact-form {
        padding: 1.4rem;
    }
}