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

:root {
    --bg: #ffffff;
    --surface: #f8fafc;
    --text: #0f172a;
    --muted: #64748b;
    --border: #e5e7eb;
    --accent: #0b1b3a;
    --shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 8px 24px rgba(15, 23, 42, 0.06);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    color: var(--text);
}

/* Header */
header {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
    padding: 20px 48px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

header h1 {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

nav a {
    color: var(--muted);
    text-decoration: none;
    margin-left: 32px;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

nav a:hover {
    color: var(--text);
}

nav a.active {
    color: var(--text);
    font-weight: 600;
}

/* Hero */
.hero {
    text-align: center;
    padding: 120px 20px;
    background: linear-gradient(180deg, var(--surface), #ffffff);
    border-bottom: 1px solid var(--border);
}

.hero h2 {
    margin: 0 0 16px;
    font-size: 40px;
    font-weight: 700;
    letter-spacing: -1px;
}

.hero p {
    margin: 0 auto 36px;
    max-width: 520px;
    font-size: 17px;
    line-height: 1.7;
    color: var(--muted);
}

.hero a {
    display: inline-block;
    padding: 12px 28px;
    background-color: var(--text);
    color: #ffffff;
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    transition: background-color 0.2s;
}

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

/* Content */
.content {
    max-width: 960px;
    margin: 0 auto;
    padding: 80px 24px;
    text-align: center;
}

.content h3 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.content > p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--muted);
    max-width: 560px;
    margin: 0 auto;
}

/* Cards */
.cards {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 48px;
    justify-content: center;
}

.card {
    background-color: var(--bg);
    width: 280px;
    padding: 28px;
    border-radius: 8px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    text-align: left;
}

.card h4 {
    margin: 0 0 10px;
    font-size: 16px;
    font-weight: 600;
}

.card p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--muted);
    margin: 0 0 16px;
}

.card a {
    color: var(--text);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    border-bottom: 1px solid currentColor;
    padding-bottom: 1px;
    transition: opacity 0.2s;
}

.card a:hover {
    opacity: 0.5;
}

/* Page (about, services, contact) */
.page {
    max-width: 720px;
    margin: 0 auto;
    padding: 80px 24px;
}

.page h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.page p {
    line-height: 1.8;
    font-size: 16px;
    color: var(--muted);
}

/* Service box */
.service-box {
    background-color: var(--bg);
    padding: 24px;
    margin-bottom: 16px;
    border-radius: 8px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.service-box h3 {
    margin-top: 0;
    font-size: 17px;
    font-weight: 600;
}

.service-box p {
    line-height: 1.7;
    color: var(--muted);
    font-size: 15px;
}

/* Contact box */
.contact-box {
    background-color: var(--bg);
    padding: 28px;
    border-radius: 8px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.contact-box p {
    line-height: 1.8;
    color: var(--muted);
    margin: 10px 0;
    font-size: 15px;
}

/* Footer */
footer {
    border-top: 1px solid var(--border);
    color: var(--muted);
    text-align: center;
    padding: 24px;
    font-size: 13px;
    margin-top: 0;
}