:root {
    color-scheme: light;
    font-family: "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    font-size: 16px;
    text-rendering: optimizeLegibility;
    --color-primary: #2563eb;
    --color-primary-dark: #1e40af;
    --color-secondary: #93c5fd;
    --color-accent: #bfdbfe;
    --color-success: #0ea5a1;
    --color-warning: #60a5fa;
    --color-danger: #93c5fd;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --text-dark: #0f172a;
    --text-muted: #64748b;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.18);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    background: linear-gradient(180deg, #ffffff 0%, #f0fbff 30%, #dff4ff 60%, #cfeeff 100%);
    background-attachment: fixed;
    min-height: 100vh;
    color: var(--text-dark);
}

img {
    max-width: 100%;
    display: block;
    border-radius: 12px;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--color-primary-dark);
    opacity: 1;
}

.site-shell {
    width: min(1180px, 100%);
    margin: 0 auto;
    padding: 0 24px 60px;
}

header {
    padding: 28px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.7);
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    border-radius: 0 0 16px 16px;
    margin-bottom: 20px;
}

.brand {
    font-weight: 900;
    letter-spacing: -0.04em;
    font-size: 1.25rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand span {
    color: var(--color-accent);
}

nav {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
    font-size: 0.95rem;
    font-weight: 500;
}

nav a {
    position: relative;
    color: var(--text-dark);
    transition: all 0.3s ease;
}

nav a::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transition: width 0.3s ease;
}

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

.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    padding: 80px 0 60px;
}

.hero-content {
    max-width: 640px;
}

.page-title,
.hero-title {
    margin: 0;
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    line-height: 1.1;
    letter-spacing: -0.05em;
    color: #000000;
    font-weight: 900;
}

.hero-copy,
.section-copy,
.intro {
    margin: 24px 0 0;
    max-width: 40rem;
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.8;
}

.hero-actions,
.section-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 32px;
}

.button,
button {
    border: none;
    border-radius: 12px;
    padding: 14px 28px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

.button-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    box-shadow: 0 12px 32px rgba(99, 102, 241, 0.3);
}

.button-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 48px rgba(99, 102, 241, 0.4);
}

.button-secondary {
    background: white;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.button-secondary:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-2px);
}

.hero-visual {
    border-radius: 24px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(147, 197, 253, 0.06), rgba(191, 219, 254, 0.04));
    min-height: 480px;
    position: relative;
    border: 2px solid rgba(37, 99, 235, 0.12);
    box-shadow: 0 16px 48px rgba(37, 99, 235, 0.08);
}

.hero-visual::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.04), transparent 50%), radial-gradient(circle at 80% 80%, rgba(147, 197, 253, 0.04), transparent 50%);
    pointer-events: none;
}

.hero-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.section {
    padding: 72px 0;
    position: relative;
}

.section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.05), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.section+.section {
    border-top: 1px solid rgba(99, 102, 241, 0.1);
}

.grid {
    display: grid;
    gap: 32px;
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.card {
    padding: 32px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(248, 249, 250, 0.95));
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: "";
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1), transparent 70%);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.2);
}

.card:hover::before {
    top: -30%;
    right: -30%;
}

.card h3,
.card h2 {
    margin: 0 0 14px;
    font-size: 1.35rem;
    color: #000000;
    font-weight: 800;
}

.card h3 a {
    color: inherit;
    -webkit-text-fill-color: unset;
    background: none;
}

.card p,
.feature-item span,
.section p {
    margin: 0;
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.8;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 24px;
}

.feature-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 20px;
    border-radius: 12px;
    background: linear-gradient(90deg, rgba(147, 197, 253, 0.06), rgba(191, 219, 254, 0.04));
    border: 1px solid rgba(37, 99, 235, 0.06);
    transition: all 0.28s ease;
}

.feature-item:hover {
    background: linear-gradient(90deg, rgba(147, 197, 253, 0.12), rgba(191, 219, 254, 0.08));
    border-color: rgba(37, 99, 235, 0.12);
    transform: translateX(4px);
}

.feature-item strong {
    color: #000000;
    font-size: 1.15rem;
    min-width: 2.5rem;
    line-height: 1;
    font-weight: 900;
}

.contact-card {
    display: grid;
    gap: 24px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(248, 249, 250, 0.95));
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 16px 56px rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.15);
}

.contact-card label {
    display: grid;
    gap: 8px;
    font-weight: 600;
    color: var(--text-dark);
}

.social-links {
    display: flex;
    gap: 16px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.social-link {
    width: 52px;
    height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: white;
    border: 1px solid rgba(99, 102, 241, 0.12);
    box-shadow: var(--shadow-sm);
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
    color: var(--text-dark);
}

.social-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 36px rgba(99, 102, 241, 0.15);
    background: #f8fbff;
}

.social-link svg {
    width: 24px;
    height: 24px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
}

.social-link.instagram {
    color: var(--color-primary);
}

.social-link.facebook {
    color: #1877f2;
}

.social-link.twitter {
    color: #1da1f2;
}

.contact-card input,
.contact-card textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid rgba(99, 102, 241, 0.2);
    border-radius: 12px;
    font: inherit;
    color: var(--text-dark);
    background: white;
    transition: all 0.3s ease;
}

.contact-card input:focus,
.contact-card textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    background: rgba(99, 102, 241, 0.02);
}

.contact-card textarea {
    min-height: 160px;
    resize: vertical;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 12px;
}

.section-title {
    margin: 0 0 16px;
    font-size: 2rem;
    letter-spacing: -0.03em;
    color: #000000;
    font-weight: 900;
}

footer {
    padding: 40px 0 24px;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-top: 2px solid rgba(99, 102, 241, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.5), rgba(248, 249, 250, 0.5));
    backdrop-filter: blur(10px);
}

.footer-copy {
    color: #000000;
    font-weight: 700;
}

header {
    padding: 24px 0;
}

nav a {
    display: inline-flex;
    align-items: center;
    padding: 6px 8px;
}

@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        padding: 60px 0 40px;
    }
    .hero-visual {
        min-height: 320px;
    }
    .section {
        padding: 56px 0;
    }
}

@media (max-width: 900px) {
    header {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
    nav {
        justify-content: center;
        gap: 16px;
    }
    nav a {
        flex: 1 1 auto;
        justify-content: center;
        max-width: 160px;
    }
    .grid-3,
    .grid {
        grid-template-columns: 1fr;
    }
    .feature-item {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    .section {
        padding: 48px 0;
    }
    .button,
    button {
        padding: 12px 22px;
        font-size: 0.92rem;
    }
    footer {
        flex-direction: column;
        text-align: center;
    }
    footer span {
        width: 100%;
    }
}

@media (max-width: 640px) {
    .site-shell {
        padding: 0 18px 50px;
    }
    .hero-title {
        font-size: 2rem;
    }
    .section-title {
        font-size: 1.6rem;
    }
    .hero-copy,
    .section-copy,
    .card p,
    .feature-item span,
    .feature-item strong {
        font-size: 0.98rem;
    }
    .hero-visual {
        min-height: 280px;
    }
    .card,
    .contact-card {
        padding: 22px;
    }
    .hero-actions,
    .section-actions,
    .social-links {
        flex-direction: column;
        align-items: stretch;
    }
    .social-links {
        justify-content: center;
    }
    .footer-copy {
        display: block;
    }
    .feature-item {
        padding: 18px;
    }
    .button,
    button {
        width: 100%;
    }
}