/* Reset & base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #1e3a5f;
    --primary-light: #2a5a8a;
    --accent: #f39c12;
    --accent-hover: #e67e22;
    --bg-light: #f8fafc;
    --text-dark: #0b1a2b;
    --text-muted: #4a5b6e;
    --white: #ffffff;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --radius: 16px;
    --transition: 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    background: var(--white);
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(4px);
    background: rgba(255,255,255,0.85);
}
.header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.4rem;
}
.logo__icon {
    font-size: 1.8rem;
}
.logo__text {
    color: var(--primary);
}
.nav {
    display: flex;
    gap: 24px;
    align-items: center;
}
.nav__link {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    transition: color var(--transition);
    font-size: 1rem;
}
.nav__link:hover {
    color: var(--primary);
}
.nav__link--highlight {
    background: var(--accent);
    color: var(--white);
    padding: 8px 18px;
    border-radius: 30px;
    font-weight: 600;
}
.nav__link--highlight:hover {
    background: var(--accent-hover);
    color: var(--white);
}

/* Hero */
.hero {
    padding: 80px 0 60px;
    background: linear-gradient(135deg, #eef2f7 0%, #ffffff 100%);
}
.hero__inner {
    display: flex;
    align-items: center;
    gap: 48px;
    flex-wrap: wrap;
}
.hero__content {
    flex: 1 1 500px;
}
.hero__title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}
.hero__accent {
    color: var(--accent);
    background: linear-gradient(to right, var(--accent), #e67e22);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero__desc {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 550px;
    margin-bottom: 32px;
}
.hero__visual {
    flex: 0 0 200px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.hero__globe {
    font-size: 8rem;
    animation: float 4s ease-in-out infinite;
}
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-16px); }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 36px;
    border: none;
    border-radius: 40px;
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
}
.btn--primary {
    background: var(--primary);
    color: var(--white);
}
.btn--primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(30, 58, 95, 0.25);
}
.btn--secondary {
    background: var(--accent);
    color: var(--white);
}
.btn--secondary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(243, 156, 18, 0.35);
}
.btn--large {
    padding: 16px 44px;
    font-size: 1.2rem;
}

/* Services section */
.services {
    padding: 80px 0 100px;
}
.section-title {
    font-size: 2.6rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 8px;
}
.section-title__accent {
    color: var(--accent);
}
.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 48px;
}
.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}
.service-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 28px 24px;
    box-shadow: var(--shadow);
    border: 2px solid transparent;
    transition: all var(--transition);
    cursor: pointer;
    display: block;
    position: relative;
}
.service-card:hover {
    border-color: var(--primary-light);
    transform: translateY(-4px);
}
.service-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}
.service-card:has(input:checked) {
    border-color: var(--accent);
    background: #fffbf0;
    box-shadow: 0 12px 32px rgba(243, 156, 18, 0.15);
}
.service-card__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.service-card__icon {
    font-size: 2.8rem;
    margin-bottom: 12px;
}
.service-card__title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--primary);
}
.service-card__desc {
    color: var(--text-muted);
    font-size: 0.95rem;
}
.services__action {
    text-align: center;
}
.services__hint {
    margin-top: 16px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Bot section */
.bot-section {
    background: var(--primary);
    color: var(--white);
    padding: 80px 0;
}
.bot-section__inner {
    display: flex;
    align-items: center;
    gap: 60px;
    flex-wrap: wrap;
}
.bot-section__content {
    flex: 1 1 400px;
}
.bot-section__title {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 16px;
}
.bot-section__accent {
    color: var(--accent);
}
.bot-section__desc {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 550px;
}
.bot-section__qr {
    flex: 0 0 220px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius);
    padding: 30px;
    text-align: center;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255,255,255,0.15);
}
.qr-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}
.qr-placeholder span {
    font-size: 4rem;
}
.qr-placeholder p {
    font-weight: 500;
}
.qr-placeholder small {
    opacity: 0.7;
    font-size: 0.8rem;
}

/* Footer */
.footer {
    background: #0b1a2b;
    color: #a0b3c9;
    padding: 32px 0;
}
.footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}
.footer__links {
    display: flex;
    gap: 24px;
}
.footer__links a {
    color: #a0b3c9;
    text-decoration: none;
    transition: color var(--transition);
}
.footer__links a:hover {
    color: var(--white);
}

/* Responsive */
@media (max-width: 768px) {
    .hero__title {
        font-size: 2.2rem;
    }
    .hero__inner {
        flex-direction: column;
        text-align: center;
    }
    .hero__desc {
        margin-left: auto;
        margin-right: auto;
    }
    .hero__visual {
        flex-basis: auto;
    }
    .hero__globe {
        font-size: 5rem;
    }
    .section-title {
        font-size: 2rem;
    }
    .bot-section__inner {
        flex-direction: column;
        text-align: center;
    }
    .bot-section__desc {
        margin-left: auto;
        margin-right: auto;
    }
    .footer__inner {
        flex-direction: column;
        text-align: center;
    }
    .header__inner {
        height: 64px;
    }
    .nav__link:not(.nav__link--highlight) {
        display: none;
    }
    .nav__link--highlight {
        padding: 6px 16px;
        font-size: 0.9rem;
    }
}