:root {
    --primary: #ff7b3a;
    --primary-dark: #e05e1f;
    --secondary: #0077b6;
    --secondary-dark: #00527f;
    --bg-light: #f5f7fb;
    --bg-dark: #051320;
    --text-main: #222222;
    --text-light: #ffffff;
    --border-radius: 18px;
    --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.18);
}

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

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text-main);
    background-color: #ffffff;
    line-height: 1.6;
}

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

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

.container {
    width: min(1120px, 92vw);
    margin: 0 auto;
}

/* Header */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(5, 19, 32, 0.96);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 0.75rem 0.5rem;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-light);
}

.logo {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.5);
    object-fit: cover;
}

.logo-area h1 {
    font-size: 1.1rem;
    margin: 0;
}

.logo-area p {
    margin: 0;
    font-size: 0.78rem;
    opacity: 0.8;
}

.main-nav {
    display: flex;
    gap: 1rem;
    font-size: 0.9rem;
}

.main-nav a {
    color: rgba(255, 255, 255, 0.82);
    padding: 0.3rem 0.45rem;
    border-radius: 999px;
    transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease;
}

.main-nav a:hover {
    background: rgba(255, 255, 255, 0.14);
    color: #ffffff;
    transform: translateY(-1px);
}

.header-actions {
    display: flex;
    gap: 0.5rem;
}

/* Buttons */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.3rem;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #ffffff;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
    transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
    filter: brightness(1.03);
}

.btn-outline {
    background: transparent;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: none;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.12);
}

.btn-full {
    width: 100%;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

/* Hero */

.hero {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    color: var(--text-light);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.62);
    transform: scale(1.03);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.15), transparent 55%),
                linear-gradient(to top, rgba(5, 19, 32, 0.85), transparent);
}

.hero-content {
    position: relative;
    padding: 6rem 0 4.5rem;
}

.hero h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    margin-bottom: 0.8rem;
}

.hero p {
    font-size: 1.05rem;
    max-width: 540px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

/* Sections */

.section {
    padding: 4rem 0;
}

.section-light {
    background: var(--bg-light);
}

.section-dark {
    background: radial-gradient(circle at top, #06253f 0%, #020b13 45%, #010509 100%);
    color: #f3f6ff;
}

.section-dark .section-subtitle {
    color: rgba(255, 255, 255, 0.72);
}

.section-subtitle {
    margin-top: 0.25rem;
    font-size: 0.95rem;
    color: #555555;
}

h2 {
    margin-top: 0;
    font-size: 1.8rem;
}

/* Layout helpers */

.two-columns {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(0, 2.5fr);
    gap: 2.5rem;
    align-items: flex-start;
}

.vertical-center {
    align-items: center;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.8rem;
}

/* Cards */

.card {
    background: #ffffff;
    border-radius: var(--border-radius);
    padding: 1.5rem 1.6rem;
    box-shadow: var(--shadow-soft);
}

.section-dark .card {
    background: rgba(7, 25, 42, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.card-highlight {
    border-top: 4px solid var(--primary);
}

.card-highlight p.small {
    font-size: 0.78rem;
    color: #555555;
}

.card-image-wrapper {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 16px 35px rgba(0, 0, 0, 0.35);
}

.tour-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.tour-card .card-body {
    padding-top: 0.2rem;
}

.tour-card h3 {
    margin-top: 0;
    margin-bottom: 0.4rem;
}

.card-list {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0 1rem;
    font-size: 0.92rem;
}

.card-list li::before {
    content: "•";
    color: var(--primary);
    margin-right: 0.4rem;
}

/* Lists */

.icon-list {
    list-style: none;
    padding: 0;
    margin: 1.2rem 0;
}

.icon-list li {
    margin-bottom: 0.45rem;
}

/* Image stack */

.image-stack {
    position: relative;
}

.image-main {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
}

.image-secondary {
    position: absolute;
    width: 47%;
    right: -6%;
    bottom: -12%;
    border-radius: 18px;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}

/* Gallery */

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

.gallery-item {
    border-radius: 16px;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
}

.gallery-item:hover {
    transform: translateY(-4px) scale(1.02);
    filter: brightness(1.04);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
}

/* Lightbox */

.lightbox {
    display: none;
    position: fixed;
    z-index: 2000;
    padding-top: 5vh;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
}

.lightbox-content {
    margin: auto;
    display: block;
    max-width: 90vw;
    max-height: 80vh;
    border-radius: 18px;
}

.lightbox-close {
    position: absolute;
    top: 18px;
    right: 28px;
    color: #ffffff;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
}

/* Video */

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 18px;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.4);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Social */

.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.social-link {
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    font-size: 0.88rem;
    transition: background 0.2s ease, transform 0.15s ease;
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.09);
    transform: translateY(-1px);
}

.fb-like-wrapper {
    border-radius: 12px;
    overflow: hidden;
}

/* Contact */

.contact-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.contact-list li {
    margin-bottom: 0.3rem;
}

.contact-form {
    background: #ffffff;
    border-radius: var(--border-radius);
    padding: 1.8rem 1.6rem;
    box-shadow: var(--shadow-soft);
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.3rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.6rem 0.7rem;
    border-radius: 0.7rem;
    border: 1px solid #d1d5db;
    font-size: 0.9rem;
    font-family: inherit;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 1px rgba(0, 119, 182, 0.25);
}

.small {
    font-size: 0.8rem;
    opacity: 0.8;
}

/* WhatsApp floating */

.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 18px;
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: #25d366;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
    color: #ffffff;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
    z-index: 1500;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.whatsapp-float:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}

/* Footer */

.site-footer {
    background: #040b11;
    color: rgba(255, 255, 255, 0.8);
    padding: 1.5rem 0;
    font-size: 0.82rem;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    justify-content: space-between;
}

.site-footer a {
    color: #fefefe;
    text-decoration: underline;
    text-decoration-color: rgba(255, 255, 255, 0.6);
}

/* Animations */

.fade-in {
    opacity: 0;
    transform: translateY(14px);
    animation: fadeInUp 0.75s ease forwards;
}

.section-dark.fade-in {
    animation-delay: 0.05s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */

@media (max-width: 960px) {
    .header-content {
        flex-wrap: wrap;
        align-items: center;
    }

    .main-nav {
        display: none;
    }

    .two-columns {
        grid-template-columns: 1fr;
    }

    .image-secondary {
        display: none;
    }

    .cards-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .gallery-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .hero {
        min-height: 65vh;
    }

    .hero-content {
        padding-top: 5rem;
        padding-bottom: 3.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: flex-start;
    }

    .cards-grid {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: 1fr 1fr;
    }

    .header-actions {
        display: none;
    }

    .footer-content {
        flex-direction: column;
        align-items: flex-start;
    }
}