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

body {
    font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: #1f2933;
    background: #f5f7fa;
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 16px;
}

/* Topbar */
.topbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e1e4ea;
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-mark {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, #2563eb, #0ea5e9);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
}

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

.logo-title {
    font-weight: 700;
    font-size: 18px;
}

.logo-subtitle {
    font-size: 12px;
    color: #6b7280;
}

/* Nav */
.nav {
    display: flex;
    align-items: center;
    gap: 18px;
    font-size: 14px;
}

.nav a {
    padding: 6px 0;
    position: relative;
}

.nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 0;
    height: 2px;
    background: #2563eb;
    transition: width 0.2s ease;
}

.nav a:hover::after {
    width: 100%;
}

.btn-nav {
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid #2563eb;
    color: #2563eb;
    font-weight: 500;
}

.btn-nav:hover {
    background: #2563eb;
    color: #fff;
}

/* Hero */
.hero {
    padding: 60px 0 40px;
    background: radial-gradient(circle at top left, #e0f2fe 0, #f5f7fa 40%, #ffffff 100%);
}

.hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(0, 1.4fr);
    gap: 32px;
    align-items: center;
}

.hero-text h1 {
    font-size: 32px;
    line-height: 1.2;
    margin-bottom: 16px;
}

.hero-text p {
    font-size: 15px;
    color: #4b5563;
    margin-bottom: 20px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: transform 0.1s ease, box-shadow 0.1s ease, background 0.2s ease, color 0.2s ease;
}

.btn-primary {
    background: #2563eb;
    color: #fff;
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 28px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: #e5e7eb;
    color: #111827;
}

.btn-secondary:hover {
    background: #d1d5db;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.hero-tags span {
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 999px;
    background: #e0f2fe;
    color: #1d4ed8;
}

/* Hero card */
.hero-card {
    background: #ffffff;
    border-radius: 18px;
    padding: 20px;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
    border: 1px solid #e5e7eb;
}

.hero-card h2 {
    font-size: 18px;
    margin-bottom: 12px;
}

.hero-card ul {
    list-style: none;
    font-size: 14px;
    color: #4b5563;
}

.hero-card li {
    padding-left: 18px;
    position: relative;
    margin-bottom: 8px;
}

.hero-card li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #2563eb;
}

/* Sections */
.section {
    padding: 40px 0;
}

.section-alt {
    background: #ffffff;
}

.section-header {
    text-align: left;
    margin-bottom: 24px;
}

.section-header h2 {
    font-size: 24px;
    margin-bottom: 6px;
}

.section-header p {
    font-size: 14px;
    color: #6b7280;
}

/* Grid & cards */
.grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

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

.card {
    background: #ffffff;
    border-radius: 16px;
    padding: 18px;
    border: 1px solid #e5e7eb;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.04);
}

.card.small {
    padding: 16px;
}

.card h3 {
    font-size: 16px;
    margin-bottom: 8px;
}

.card p {
    font-size: 14px;
    color: #4b5563;
    margin-bottom: 10px;
}

.card ul {
    list-style: none;
    font-size: 13px;
    color: #6b7280;
}

.card li {
    padding-left: 16px;
    position: relative;
    margin-bottom: 6px;
}

.card li::before {
    content: "–";
    position: absolute;
    left: 0;
    color: #9ca3af;
}

/* About */
.about {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(0, 1.3fr);
    gap: 24px;
    align-items: flex-start;
}

.about-text p {
    font-size: 14px;
    color: #4b5563;
    margin-bottom: 10px;
}

.about-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 12px;
}

.about-highlights div {
    display: flex;
    flex-direction: column;
    gap: 2px;
    font-size: 12px;
    color: #6b7280;
}

.about-number {
    font-size: 18px;
    font-weight: 700;
    color: #2563eb;
}

.about-card {
    background: #f9fafb;
    border-radius: 16px;
    padding: 18px;
    border: 1px solid #e5e7eb;
}

.about-card h3 {
    font-size: 16px;
    margin-bottom: 8px;
}

.about-card ul {
    list-style: none;
    font-size: 13px;
    color: #4b5563;
}

.about-card li {
    padding-left: 16px;
    position: relative;
    margin-bottom: 6px;
}

.about-card li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #2563eb;
}

/* Contact */
.contact {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.6fr);
    gap: 24px;
}

.contact-text p {
    font-size: 14px;
    color: #4b5563;
    margin-bottom: 10px;
}

.contact-info {
    list-style: none;
    font-size: 14px;
    color: #374151;
    margin-top: 8px;
}

.contact-info li {
    margin-bottom: 4px;
}

.contact-form {
    background: #ffffff;
    border-radius: 16px;
    padding: 18px;
    border: 1px solid #e5e7eb;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.04);
}

.contact-form h3 {
    font-size: 16px;
    margin-bottom: 10px;
}

.contact-form form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.contact-form label {
    font-size: 13px;
    color: #374151;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    border-radius: 10px;
    border: 1px solid #d1d5db;
    padding: 8px 10px;
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    background: #f9fafb;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.2);
    background: #ffffff;
}

.btn-primary.full {
    width: 100%;
}

/* Footer */
.footer {
    padding: 18px 0 24px;
    background: #0f172a;
    color: #e5e7eb;
    font-size: 13px;
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px;
    align-items: center;
}

.footer-links a {
    color: #9ca3af;
}

.footer-links a:hover {
    color: #e5e7eb;
}

/* Responsive */
@media (max-width: 900px) {
    .hero-inner,
    .grid,
    .grid-3,
    .about,
    .contact {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero {
        padding-top: 40px;
    }

    .hero-card {
        order: -1;
    }

    .nav {
        gap: 12px;
        font-size: 13px;
    }
}

@media (max-width: 640px) {
    .topbar-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .hero-text h1 {
        font-size: 24px;
    }

    .section {
        padding: 32px 0;
    }
}