@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    --primary: #162b75;
    --primary-dark: #0f1e52;
    --secondary: #2f8f2f;
    --secondary-dark: #247224;
    --accent: #f29f05;
    --dark: #0b1220;
    --text: #334155;
    --muted: #64748b;
    --light: #f8fafc;
    --white: #ffffff;
    --border: #e2e8f0;
    --border-soft: rgba(148, 163, 184, 0.18);
    --shadow-sm: 0 8px 24px rgba(15, 23, 42, 0.06);
    --shadow: 0 16px 44px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 22px 60px rgba(15, 23, 42, 0.12);
    --radius-sm: 12px;
    --radius: 18px;
    --radius-lg: 26px;
    --container: 1200px;
    --transition: 0.28s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text);
    background: linear-gradient(180deg, #f8fafc 0%, #f4f7fb 100%);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

img {
    max-width: 100%;
    display: block;
}

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

ul {
    list-style: none;
}

input,
textarea,
button {
    font: inherit;
}

button {
    border: none;
    cursor: pointer;
}

.container {
    width: min(92%, var(--container));
    margin: 0 auto;
}

/* topbar */
.topbar {
    background: linear-gradient(135deg, #08101d, #111c30);
    color: rgba(255, 255, 255, 0.86);
    font-size: 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar-content {
    min-height: 46px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.topbar-left,
.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.topbar i {
    color: var(--accent);
    margin-right: 7px;
}

.divider {
    opacity: 0.3;
}

/* navbar */
.navbar {
    position: sticky;
    top: 0;
    z-index: 999;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.03);
}

.nav-content {
    min-height: 84px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
}

.logo-img {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    object-fit: contain;
    background: var(--white);
    padding: 6px;
    box-shadow: 0 12px 30px rgba(22, 43, 117, 0.14);
    border: 1px solid rgba(22, 43, 117, 0.08);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-main {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 0.4px;
}

.logo-sub {
    font-size: 11px;
    font-weight: 700;
    color: var(--secondary);
    text-transform: uppercase;
    letter-spacing: 1.6px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.nav-menu li a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 16px;
    border-radius: 999px;
    color: var(--dark);
    font-weight: 600;
    transition: var(--transition);
}

.nav-menu li a:hover,
.nav-menu li a.active {
    background: rgba(22, 43, 117, 0.08);
    color: var(--primary);
}

.btn-nav {
    background: linear-gradient(135deg, var(--primary), #2445b3);
    color: var(--white) !important;
    box-shadow: 0 10px 24px rgba(22, 43, 117, 0.2);
}

.btn-nav:hover {
    background: linear-gradient(135deg, var(--primary-dark), #1d3991);
    transform: translateY(-1px);
}

/* hero */
.hero {
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(120deg, rgba(11, 18, 32, 0.86), rgba(22, 43, 117, 0.78)),
        url('../images/hero-bg.jpg') center/cover no-repeat;
    min-height: 88vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: "";
    position: absolute;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: rgba(242, 159, 5, 0.12);
    top: -120px;
    right: -100px;
    filter: blur(10px);
}

.hero::after {
    content: "";
    position: absolute;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: rgba(47, 143, 47, 0.12);
    bottom: -120px;
    left: -90px;
    filter: blur(10px);
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 42px;
    align-items: center;
}

.hero-content {
    max-width: 720px;
    color: var(--white);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.16);
    color: rgba(255, 255, 255, 0.95);
    border-radius: 999px;
    margin-bottom: 22px;
    font-size: 14px;
    font-weight: 600;
}

.hero h1 {
    font-size: clamp(38px, 6vw, 66px);
    line-height: 1.02;
    margin-bottom: 20px;
    font-weight: 800;
    letter-spacing: -1.2px;
}

.hero p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.86);
    max-width: 640px;
    margin-bottom: 32px;
}

.hero-buttons {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 28px;
}

.btn-primary,
.btn-secondary,
.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 24px;
    border-radius: 14px;
    font-weight: 700;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary), #36a336);
    color: var(--white);
    box-shadow: 0 12px 28px rgba(47, 143, 47, 0.24);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 34px rgba(47, 143, 47, 0.28);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

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

.btn-outline {
    border: 1px solid rgba(255, 255, 255, 0.22);
    color: var(--white);
    background: rgba(255, 255, 255, 0.05);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.12);
}

.hero-highlights {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.hero-highlights div {
    color: rgba(255, 255, 255, 0.88);
}

.hero-highlights strong {
    display: block;
    font-size: 24px;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 4px;
}

.hero-card {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.14);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 24px;
    padding: 30px;
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.hero-card h3 {
    font-size: 22px;
    margin-bottom: 14px;
}

.hero-card ul {
    display: grid;
    gap: 14px;
}

.hero-card li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    color: rgba(255, 255, 255, 0.88);
}

.hero-card i {
    color: var(--accent);
    margin-top: 4px;
}

/* sections */
.section {
    padding: 92px 0;
}

.section-sm {
    padding: 72px 0;
}

.section-title {
    max-width: 760px;
    margin: 0 auto 52px;
    text-align: center;
}

.section-title .eyebrow {
    display: inline-block;
    color: var(--secondary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-size: 12px;
    margin-bottom: 10px;
}

.section-title h2 {
    font-size: clamp(28px, 4vw, 44px);
    line-height: 1.1;
    color: var(--dark);
    margin-bottom: 14px;
    letter-spacing: -0.6px;
}

.section-title p {
    color: var(--muted);
    font-size: 16px;
}

/* grids */
.services-grid,
.why-grid,
.stats-grid {
    display: grid;
    gap: 24px;
}

.services-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

/* cards */
.service-card,
.why-card,
.about-panel,
.card-white {
    background: var(--white);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow);
}

.service-card {
    border-radius: 24px;
    padding: 32px 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(22, 43, 117, 0.03), transparent);
    pointer-events: none;
}

.service-card:hover {
    transform: translateY(-7px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 66px;
    height: 66px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(22, 43, 117, 0.12), rgba(47, 143, 47, 0.12));
    color: var(--primary);
    font-size: 28px;
    margin-bottom: 18px;
}

.service-card h3 {
    font-size: 22px;
    color: var(--dark);
    margin-bottom: 12px;
}

.service-card p {
    color: var(--muted);
    margin-bottom: 18px;
}

.service-link {
    color: var(--secondary);
    font-weight: 700;
}

.service-link:hover {
    color: var(--primary);
}

/* about */
.about-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 34px;
    align-items: center;
}

.about-image {
    border-radius: var(--radius-lg);
    min-height: 520px;
    background:
        linear-gradient(rgba(22, 43, 117, 0.24), rgba(47, 143, 47, 0.16)),
        url('../images/about.jpg') center/cover no-repeat;
    box-shadow: var(--shadow-lg);
}

.about-panel {
    border-radius: var(--radius-lg);
    padding: 38px;
}

.about-panel .eyebrow {
    color: var(--secondary);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1.4px;
    text-transform: uppercase;
}

.about-panel h2 {
    font-size: 40px;
    color: var(--dark);
    line-height: 1.1;
    margin: 12px 0 18px;
    letter-spacing: -0.7px;
}

.about-panel p {
    color: var(--muted);
    margin-bottom: 14px;
}

.about-list {
    display: grid;
    gap: 12px;
    margin: 24px 0 28px;
}

.about-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text);
    font-weight: 600;
}

.about-list i {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(47, 143, 47, 0.12);
    color: var(--secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
}

/* why choose us */
.why-section {
    background: linear-gradient(180deg, #ffffff, #f7f9fc);
}

.why-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.why-card {
    border-radius: 22px;
    padding: 28px 24px;
    transition: var(--transition);
}

.why-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.why-card .num {
    display: inline-flex;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: rgba(22, 43, 117, 0.08);
    color: var(--primary);
    font-weight: 800;
    margin-bottom: 14px;
}

.why-card h4 {
    color: var(--dark);
    font-size: 19px;
    margin-bottom: 10px;
}

.why-card p {
    color: var(--muted);
}

/* stats */
.stats {
    background: linear-gradient(135deg, var(--primary), #0d1740);
    color: var(--white);
}

.stats-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stat-box {
    text-align: center;
    padding: 20px;
}

.stat-box h3 {
    font-size: clamp(34px, 4vw, 52px);
    line-height: 1;
    margin-bottom: 10px;
    font-weight: 800;
}

.stat-box p {
    color: rgba(255, 255, 255, 0.82);
}

/* cta */
.cta-box {
    background: linear-gradient(135deg, var(--primary), #2343a8 60%, var(--secondary));
    color: var(--white);
    border-radius: 30px;
    padding: 56px 40px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.cta-box h2 {
    font-size: clamp(28px, 4vw, 42px);
    margin-bottom: 12px;
    letter-spacing: -0.7px;
}

.cta-box p {
    max-width: 760px;
    margin: 0 auto 24px;
    color: rgba(255, 255, 255, 0.88);
}

/* footer */
.footer {
    margin-top: 80px;
    background: linear-gradient(135deg, #08101d, #0f172a);
    color: rgba(255, 255, 255, 0.74);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr;
    gap: 34px;
    padding: 70px 0 36px;
}

.footer h3,
.footer h4 {
    color: var(--white);
    margin-bottom: 16px;
}

.footer p,
.footer li,
.footer a {
    color: rgba(255, 255, 255, 0.74);
}

.footer ul {
    display: grid;
    gap: 10px;
}

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

.footer-bottom {
    text-align: center;
    padding: 18px 0 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 14px;
}

/* utility */
.card-white {
    border-radius: var(--radius-lg);
}

input,
textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px 16px;
    background: var(--white);
    color: var(--text);
    outline: none;
    transition: var(--transition);
}

input:focus,
textarea:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 4px rgba(22, 43, 117, 0.08);
}

textarea {
    min-height: 140px;
    resize: vertical;
}

/* responsive */
@media (max-width: 1100px) {
    .services-grid,
    .why-grid,
    .stats-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

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

    .hero {
        min-height: auto;
        padding: 90px 0;
    }

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

@media (max-width: 900px) {
    .section-sm .container[style*="grid-template-columns: 1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
}

@media (max-width: 760px) {
    .nav-content {
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 0;
    }

    .nav-menu {
        width: 100%;
        gap: 8px;
    }

    .nav-menu li a {
        padding: 10px 14px;
    }

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

    .section {
        padding: 72px 0;
    }

    .about-panel {
        padding: 28px 22px;
    }

    .cta-box {
        padding: 42px 24px;
        border-radius: 24px;
    }

    .logo-img {
        width: 50px;
        height: 50px;
    }

    .logo-main {
        font-size: 23px;
    }

    .logo-sub {
        font-size: 10px;
        letter-spacing: 1.2px;
    }

    .hero h1 {
        line-height: 1.08;
    }
}

@media (max-width: 640px) {
    form div[style*="grid-template-columns:1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }

    .topbar-content,
    .topbar-left,
    .topbar-right {
        gap: 10px;
    }

    .hero-buttons,
    .hero-highlights {
        gap: 12px;
    }
}