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

:root {
    --color-primary: #0e7fa5;
    --color-primary-dark: #0a5f7d;
    --color-accent: #06b6d4;
    --color-dark: #0b1120;
    --color-dark-lighter: #111827;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-text-on-dark: #e5e7eb;
    --color-bg: #f8fafc;
    --color-white: #ffffff;
    --color-border: #e5e7eb;
    --color-border-light: #f3f4f6;
    --gradient: linear-gradient(135deg, #0e7fa5, #06b6d4);
    --radius: 16px;
    --radius-sm: 8px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1040px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Navigation ── */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(11, 17, 32, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.nav-logo img {
    height: 32px;
    width: auto;
}

.nav-logo span {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: -0.01em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--color-text-on-dark);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--color-white);
}

.btn-nav {
    background: rgba(255, 255, 255, 0.1);
    padding: 8px 20px;
    border-radius: 100px;
    transition: background 0.2s, color 0.2s;
}

.btn-nav:hover {
    background: rgba(255, 255, 255, 0.18) !important;
}

/* ── Hero ── */
.hero {
    position: relative;
    min-height: 540px;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
    background: var(--color-dark);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 50% 0%, rgba(14, 127, 165, 0.2), transparent),
        radial-gradient(ellipse 40% 60% at 80% 100%, rgba(6, 182, 212, 0.1), transparent);
}

.hero-content {
    position: relative;
    text-align: center;
    max-width: 680px;
    margin: 0 auto;
}

.badge {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-accent);
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.15;
    color: var(--color-white);
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.1rem;
    color: var(--color-text-on-dark);
    max-width: 500px;
    margin: 0 auto 32px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 12px 28px;
    border-radius: 100px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--gradient);
    color: var(--color-white);
    box-shadow: 0 4px 24px rgba(14, 127, 165, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 32px rgba(14, 127, 165, 0.4);
}

.btn-ghost {
    color: var(--color-text-on-dark);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.06);
}

/* ── Services ── */
.services {
    padding: 96px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.section-header p {
    font-size: 1.05rem;
    color: var(--color-text-light);
    max-width: 480px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.service-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 36px 28px 28px;
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.25s, transform 0.25s;
}

.service-card:hover {
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
    transform: translateY(-4px);
}

.service-number {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-primary);
    background: rgba(14, 127, 165, 0.08);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}

.service-card p {
    font-size: 0.92rem;
    color: var(--color-text-light);
    line-height: 1.6;
    flex: 1;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border-light);
}

.service-tags span {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-light);
    background: var(--color-bg);
    padding: 4px 10px;
    border-radius: 100px;
}

/* ── Contact ── */
.contact {
    padding: 0 0 96px;
}

.contact-card {
    background: var(--color-dark);
    border-radius: var(--radius);
    padding: 56px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 48px;
    overflow: hidden;
    position: relative;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.12), transparent 70%);
    pointer-events: none;
}

.contact-text {
    position: relative;
}

.contact-text h2 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-white);
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.contact-text p {
    color: var(--color-text-on-dark);
    font-size: 0.95rem;
    max-width: 360px;
    line-height: 1.6;
}

.contact-details {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-details p {
    font-size: 0.88rem;
    color: rgba(229, 231, 235, 0.7);
    margin-bottom: 4px;
}

.contact-name {
    font-size: 0.95rem !important;
    font-weight: 600;
    color: var(--color-white) !important;
    margin-bottom: 8px !important;
}

.contact-note {
    margin-top: 8px !important;
    font-style: italic;
    opacity: 0.6;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
    flex-shrink: 0;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
    padding: 16px 24px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: background 0.2s, border-color 0.2s;
    min-width: 280px;
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.15);
}

.contact-item svg {
    width: 22px;
    height: 22px;
    color: var(--color-accent);
    flex-shrink: 0;
}

.contact-item div {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.contact-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-white);
}

/* ── Footer ── */
footer {
    border-top: 1px solid var(--color-border);
    padding: 24px 0;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
    color: var(--color-text-light);
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding: 100px 0 60px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .services {
        padding: 64px 0;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .contact {
        padding: 0 0 64px;
    }

    .contact-card {
        flex-direction: column;
        padding: 40px 24px;
        text-align: center;
        gap: 32px;
    }

    .contact-text p {
        max-width: 100%;
    }

    .contact-item {
        min-width: auto;
    }

    .footer-inner {
        flex-direction: column;
        gap: 4px;
    }

    .nav-links a:not(.btn-nav) {
        display: none;
    }
}