:root {
    --bg: #08122c;
    --surface: #10204a;
    --surface-soft: #162a5f;
    --text: #f5f8ff;
    --muted: #b2c1ea;
    --accent1: #ff7b1b;
    --accent2: #3f72ff;
    --accent-shadow: rgba(255, 123, 27, 0.24);
    --border: rgba(255, 255, 255, 0.14);
    --radius: 24px;
    --radius-sm: 12px;
    --transition: 240ms ease;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
    font-family: Inter, "Segoe UI", Helvetica, Arial, sans-serif;
    color: var(--text);
    background: radial-gradient(circle at top left, rgba(63, 114, 255, 0.14), transparent 20%), var(--bg);
}

img {
    max-width: 100%;
    display: block;
}

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

button,
input,
select,
textarea {
    font: inherit;
}

.container {
    width: min(1100px, calc(100% - 2rem));
    margin: 0 auto;
}

.site-header {
    background: linear-gradient(90deg, #173b8c, #0a2a68);
    box-shadow: 0 1px 24px rgba(15, 75, 255, 0.22);
    position: sticky;
    top: 0;
    z-index: 20;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--accent2);
}

.nav a {
    margin-left: 1.5rem;
    color: #ffffff;
    font-weight: 600;
    transition: color var(--transition);
}

.nav a:hover,
.nav a:focus-visible {
    color: var(--accent1);
}

.hero {
    position: relative;
    min-height: 80vh;
    display: grid;
    place-items: center;
    overflow: hidden;
    padding: 4rem 0;
    background-image: linear-gradient(180deg, rgba(8, 18, 44, 0.72) 0%, rgba(8, 18, 44, 0.42) 100%),
        url('https://k.top4top.io/p_3846erhyn1.jpg?auto=format&fit=crop&w=1400&q=80');
    background-size: cover;
    background-position: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top, rgba(255, 101, 0, 0.28), transparent 28%),
        linear-gradient(180deg, rgba(12, 71, 204, 0.42), rgba(15, 75, 255, 0.25));
    pointer-events: none;
}

.hero-inner {
    position: relative;
    text-align: center;
    color: #ffffff;
    padding: 4rem 1rem;
    z-index: 1;
}

.hero-title {
    margin: 0;
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.02;
    letter-spacing: -0.03em;
    text-shadow: 0 18px 50px rgba(11, 20, 56, 0.25);
}

.hero-sub {
    max-width: 720px;
    margin: 1.5rem auto 2rem;
    color: rgba(255, 255, 255, 0.92);
    font-size: 1.05rem;
    line-height: 1.85;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2.2rem;
    min-width: 220px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    background: linear-gradient(90deg, var(--accent1), var(--accent2));
    color: #ffffff;
    font-weight: 800;
    font-size: 1.03rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    box-shadow: 0 24px 58px rgba(255, 123, 27, 0.28);
    transition: transform var(--transition), box-shadow var(--transition), filter var(--transition), border-color var(--transition);
}

.btn:hover,
.btn:focus-visible {
    transform: translateY(-3px);
    filter: brightness(1.12);
    border-color: rgba(255, 255, 255, 0.45);
    box-shadow: 0 26px 64px rgba(255, 123, 27, 0.34);
}

.contact .btn {
    background: linear-gradient(90deg, #ff7b1b 0%, #2772ff 100%);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.about,
.stories,
.contact {
    padding: 5rem 0;
    background: rgba(8, 18, 44, 0.85);
}

.section-title {
    font-size: clamp(1.45rem, 2.4vw, 2rem);
    margin: 0 0 1.5rem;
    color: #f7faff;
}

.about-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.9fr);
    gap: 2rem;
    align-items: start;
}

.about-bio,
.about-cta {
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: 0 24px 60px rgba(15, 75, 255, 0.15);
}

.about-bio p,
.about-bio h4,
.about-bio ul {
    margin: 0 0 1rem;
}

.about-bio p {
    color: var(--muted);
    line-height: 1.8;
}

.services-note {
    color: #c8d2f8;
    margin-bottom: 1rem;
    max-width: 640px;
    line-height: 1.75;
}

.about-bio h4 {
    margin-top: 1.5rem;
    margin-bottom: 0.85rem;
    font-size: 1.05rem;
    color: var(--text);
}

.destinations,
.services-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.65rem;
}

.destinations li,
.services-list li {
    padding: 0.95rem 1rem;
    background: linear-gradient(90deg, rgba(15, 75, 255, 0.18), rgba(255, 101, 0, 0.14));
    border-radius: 16px;
    color: #f7faff;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.services-list li {
    background: linear-gradient(90deg, rgba(15, 75, 255, 0.24), rgba(255, 101, 0, 0.12));
}

.about-cta {
    display: grid;
    gap: 1.5rem;
}

.trusted {
    padding: 1.65rem;
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(15, 33, 72, 0.94), rgba(12, 34, 76, 0.98));
    border: 1px solid rgba(63, 114, 255, 0.18);
}

.trusted h4 {
    margin: 0 0 0.75rem;
    font-size: 1.05rem;
    color: #f7faff;
}

.trusted p {
    color: #c8d6f8;
}

.partner-logos {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.85rem;
    margin-top: 1.25rem;
}

.partner-logo {
    padding: 1rem 1rem;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #f7faff;
    font-weight: 700;
    text-align: center;
}

.trusted p {
    margin: 0;
    color: var(--muted);
    line-height: 1.75;
}

.about-image {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 22px;
    box-shadow: 0 18px 58px rgba(15, 23, 42, 0.14);
}

.stories-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
}

.story {
    background: #11264c;
    border: 1px solid rgba(63, 114, 255, 0.16);
    border-radius: 24px;
    overflow: hidden;
    display: grid;
    box-shadow: 0 18px 46px rgba(15, 75, 255, 0.18);
}

.story img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.story h4 {
    margin: 1.25rem 1.5rem 0.75rem;
    font-size: 1.05rem;
    color: #f7faff;
}

.story p {
    margin: 0 1.5rem 1.5rem;
    color: #d7e1ff;
    line-height: 1.75;
}

.contact-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
    padding: 2rem;
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 26px 50px rgba(0, 0, 0, 0.22);
}

.contact-form label,
.services-field,
.contact-form textarea,
.contact-form input,
.contact-form select {
    width: 100%;
}

.contact-form label {
    display: grid;
    gap: 0.65rem;
    font-size: 0.98rem;
    color: #e8eefc;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    padding: 1rem 1rem;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.08);
    color: #f7faff;
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder,
.contact-form select::placeholder {
    color: rgba(247, 250, 255, 0.6);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: rgba(63, 114, 255, 0.7);
    background: rgba(255, 255, 255, 0.12);
    box-shadow: 0 0 0 4px rgba(63, 114, 255, 0.12);
}

.destination-field,
.destination-field legend,
.services-field legend {
    font-weight: 700;
    margin-bottom: 1rem;
    font-size: 1rem;
    color: #f7faff;
}

.destination-grid,
.service-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.85rem;
}

.destination-option,
.service-option {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.95rem 1rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.08);
    color: #f7faff;
    cursor: pointer;
    transition: transform var(--transition), border-color var(--transition), background var(--transition), color var(--transition);
}

.destination-option:hover,
.service-option:hover {
    transform: translateY(-1px);
    border-color: var(--accent2);
}

.destination-option input,
.service-option input {
    position: absolute;
    opacity: 0;
    width: 1rem;
    height: 1rem;
}

.destination-option span,
.service-option span {
    font-weight: 600;
}

.destination-option.active,
.destination-option input:checked + span,
.service-option input:checked + span,
.service-option.active {
    background: linear-gradient(135deg, var(--accent1), var(--accent2));
    border-color: transparent;
    color: #ffffff;
}

.destination-option.active,
.service-option.active {
    box-shadow: 0 16px 32px rgba(255, 101, 0, 0.22);
}

.full-width {
    grid-column: 1 / -1;
}

.message-preview {
    display: none;
    white-space: pre-wrap;
    background: #eff5ff;
    color: var(--text);
    padding: 1.2rem 1.25rem;
    border-radius: 18px;
    border: 1px solid #dbe9ff;
    margin-top: 1.5rem;
}

.form-actions {
    grid-column: 1 / -1;
    display: flex;
    justify-content: flex-end;
    margin-top: 0.8rem;
}

.contact .btn {
    min-width: 240px;
    padding: 1rem 2.4rem;
}

.alert {
    padding: 1rem 1.25rem;
    border-radius: 18px;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.alert-error {
    color: #7c191d;
    background: #fff2f3;
    border: 1px solid #fecdd3;
}

.alert-success {
    color: #175c2a;
    background: #effaf0;
    border: 1px solid #c6eed6;
}

.site-footer {
    padding: 2rem 0;
    text-align: center;
    color: var(--muted);
    background: transparent;
}

@media (max-width: 960px) {
    .about-grid,
    .stories-grid,
    .contact-form {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: 70vh;
    }
}

@media (max-width: 720px) {
    .site-header {
        padding: 0 0.5rem;
    }

    .header-inner {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }

    .nav {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        gap: 0.85rem;
    }

    .hero-inner {
        padding: 3rem 1rem;
    }
}

@media (max-width: 560px) {
    .hero {
        min-height: auto;
        padding: 3rem 0 2rem;
    }

    .hero-title {
        font-size: 2.25rem;
    }

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

    .btn {
        width: 100%;
        justify-content: center;
    }

    .about-bio,
    .about-cta,
    .story,
    .services-field {
        border-radius: 20px;
    }
}