/* =========
   Base & Theme
   ========= */

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

:root {
    --bg: #050814;
    --bg-alt: #050b1d;
    --surface: #0c1020;
    --surface-alt: #11172b;
    --primary: #00d1d9;
    /* teal */
    --primary-soft: rgba(0, 209, 217, 0.16);
    --secondary: #007bff;
    /* blue */
    --accent: #ff3366;
    /* red/pink */
    --accent-soft: rgba(255, 51, 102, 0.18);
    --text-main: #f4f7ff;
    --text-muted: #9aa4c6;
    --border-soft: rgba(255, 255, 255, 0.06);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 18px;
    --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.65);
}

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-main);
    background: radial-gradient(circle at top left, #061024 0, #050814 40%, #02040a 100%);
    scroll-behavior: smooth;
}

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

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

/* Layout container */

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* =========
   Header & Nav
   ========= */

.header {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: linear-gradient(to bottom,
            rgba(5, 8, 20, 0.96),
            rgba(5, 8, 20, 0.9));
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding: 0.85rem 0;
    flex-wrap: nowrap;
}

/* Brand block */

.brand {
    display: flex;
    align-items: center;
    gap: 0.9rem;
}

.logo img {
    height: 48px;
    width: auto;
    flex-shrink: 0;
    /* prevents shrinking on mobile */
}

.logo img:hover {
    transform: translateY(-1px) scale(1.03);
    filter: drop-shadow(0 0 18px rgba(0, 209, 217, 0.6));
}

.brand-logo {
    height: 44px;
    width: auto;
    flex-shrink: 0;
    filter: drop-shadow(0 0 12px rgba(0, 209, 217, 0.5));
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.brand-title {
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: #ffffff;
}

.brand-tagline {
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #9aa4c6;
}

/* Nav links */

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: nowrap;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1.75rem;
    font-size: 0.95rem;
}

.nav-links li a {
    position: relative;
    padding: 0.3rem 0;
    color: var(--text-muted);
    font-weight: 500;
    transition: color 0.25s ease;
}

.nav-links li a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -4px;
    height: 2px;
    width: 0;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
    border-radius: 999px;
    transition: width 0.25s ease;
}

.nav-links li a:hover {
    color: #ffffff;
}

.nav-links li a:hover::after {
    width: 100%;
}

/* Mobile menu button */

.mobile-menu-btn {
    display: none;
    font-size: 1.7rem;
    background: none;
    border: none;
    color: var(--text-main);
    cursor: pointer;
}

/* =========
   Hero
   ========= */

.hero {
    position: relative;
    min-height: calc(100vh - 74px);
    display: flex;
    align-items: center;
    overflow: hidden;
    background:
        radial-gradient(circle at -10% 0%, rgba(0, 209, 217, 0.26), transparent 55%),
        radial-gradient(circle at 110% 10%, rgba(0, 123, 255, 0.26), transparent 55%),
        radial-gradient(circle at 50% 120%, rgba(255, 51, 102, 0.15), transparent 60%),
        linear-gradient(135deg, #050814 0%, #050b1d 45%, #031022 100%);
}

.hero::before {
    content: "";
    position: absolute;
    inset: 12%;
    border-radius: 36px;
    border: 1px solid rgba(255, 255, 255, 0.04);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 720px;
    margin: 3rem auto;
    text-align: left;
    animation: fadeUp 1.2s ease-out;
}

.hero-title {
    font-size: clamp(2.4rem, 4vw, 3.1rem);
    line-height: 1.1;
    margin-bottom: 1rem;
}

.hero-title span {
    background: linear-gradient(120deg, var(--primary), var(--secondary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 520px;
    margin-bottom: 2.1rem;
}

/* =========
   Buttons
   ========= */

.btn {
    display: inline-block;
    padding: 0.9rem 2.4rem;
    font-size: 0.98rem;
    font-weight: 600;
    border-radius: 999px;
    cursor: pointer;
    border: none;
    text-align: center;
    transition:
        transform 0.18s ease,
        box-shadow 0.18s ease,
        background 0.2s ease,
        color 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #050814;
    box-shadow: 0 12px 32px rgba(0, 209, 217, 0.28);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 40px rgba(0, 209, 217, 0.32);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 10px 24px rgba(0, 209, 217, 0.25);
}

/* =========
   Sections
   ========= */

.section {
    padding: 4rem 0 4.5rem;
    background: transparent;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2.5rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #ffffff;
}

.alt-bg {
    background: radial-gradient(circle at top, rgba(0, 209, 217, 0.08), transparent 55%),
        var(--bg-alt);
}

/* =========
   Cards (Services)
   ========= */

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.8rem;
}

.card {
    background: var(--surface);
    padding: 1.9rem 1.8rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-soft);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6);
    color: var(--text-main);
    font-weight: 500;
    font-size: 1.02rem;
    position: relative;
    overflow: hidden;
    isolation: isolate;
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.card::before {
    content: "";
    position: absolute;
    inset: -40%;
    background: radial-gradient(circle at top left, var(--primary-soft), transparent 60%);
    opacity: 0;
    transition: opacity 0.25s ease;
    z-index: -1;
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.75);
}

.card:hover::before {
    opacity: 1;
}

/* =========
   Why Us (Benefits)
   ========= */

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 1.7rem;
}

.benefit {
    background: var(--surface-alt);
    border-radius: var(--radius-md);
    padding: 1.6rem 1.5rem;
    border: 1px solid var(--border-soft);
    transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.55);
}

.benefit:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.8);
}

.benefit .icon {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: radial-gradient(circle at top left, var(--primary-soft), var(--accent-soft));
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.benefit h4 {
    font-size: 1.1rem;
    margin-bottom: 0.6rem;
}

.benefit p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* =========
   Contact
   ========= */

.contact-container {
    max-width: 560px;
    margin: 0 auto;
    background: radial-gradient(circle at top, rgba(0, 209, 217, 0.08), transparent 60%),
        rgba(5, 8, 20, 0.96);
    padding: 2.4rem 2.1rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-soft);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.contact-form label {
    display: flex;
    flex-direction: column;
    font-size: 0.9rem;
    color: var(--text-main);
    font-weight: 500;
}

.contact-form label span {
    margin-bottom: 0.3rem;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
    padding: 0.85rem;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: #050814;
    color: var(--text-main);
    transition: border-color 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: var(--text-muted);
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 1px rgba(0, 209, 217, 0.25);
    background: #070b18;
}

/* =========
   Footer
   ========= */

.footer {
    text-align: center;
    color: var(--text-muted);
    padding: 2.4rem 0;
    font-size: 0.86rem;
    background: #040612;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

/* =========
   Animations
   ========= */

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(18px);
    }

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

/* =========
   Responsive
   ========= */

@media (max-width: 900px) {
    .hero {
        min-height: 82vh;
    }

    .hero-content {
        text-align: center;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .nav-container {
        gap: 1rem;
    }

    .brand-tagline {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav {
        position: relative;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        right: 0;
        margin-top: 0.6rem;
        flex-direction: column;
        background: rgba(5, 8, 20, 0.98);
        border-radius: 14px;
        padding: 0.75rem 1rem;
        box-shadow: 0 18px 40px rgba(0, 0, 0, 0.8);
        border: 1px solid rgba(255, 255, 255, 0.06);
        display: none;
        min-width: 210px;
    }

    .nav-links li {
        padding: 0.2rem 0;
    }

    .nav-links.show {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero::before {
        inset: 16%;
    }

    .contact-container {
        padding: 2rem 1.6rem;
    }
}

/* Clickable cards */
.card {
    cursor: pointer;
}

/* Service modal */
.service-modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease-out;
    z-index: 1500;
}

.service-modal.open {
    opacity: 1;
    pointer-events: auto;
}

.service-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(6px);
}

.service-modal-dialog {
    position: relative;
    z-index: 1;
    max-width: 480px;
    width: 90%;
    background: #050814;
    border-radius: 18px;
    padding: 1.9rem 1.8rem 1.7rem;
    box-shadow: 0 22px 60px rgba(0, 0, 0, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.service-modal-title {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
}

.service-modal-body {
    font-size: 0.96rem;
    color: #9aa4c6;
    line-height: 1.5;
}

.service-modal-close {
    position: absolute;
    top: 0.7rem;
    right: 0.7rem;
    border: none;
    background: transparent;
    font-size: 1.1rem;
    cursor: pointer;
    color: #9aa4c6;
    padding: 0.2rem;
    border-radius: 999px;
    transition: background 0.15s ease, color 0.15s ease;
}

.service-modal-close:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #ffffff;
}


@media (max-width: 480px) {
    .brand-text {
        display: none;
    }

    .hero-content {
        margin: 2.6rem auto 3rem;
    }

    .section {
        padding: 3.2rem 0 3.6rem;
    }
}

#header-booking-btn button {
    background: none;
    border: none;
    padding: 0;
    margin: 0 0 0 10px;
    /* small left gap to match nav spacing */
    font: inherit;
    color: inherit;
    cursor: pointer;
}