:root {
    --primary: #00d2d3;
    --primary-dark: #008b8b;
    --dark: #0c0c0c;
    --darker: #050505;
    --card-bg: #111111;
    --white: #ffffff;
    --gray: #a0a0a0;
    --border: rgba(255, 255, 255, 0.08);
    --sidebar-width: 260px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--white);
    background: var(--darker);
    line-height: 1.7;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
.logo,
.sidebar-logo {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 100px 0;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(5, 5, 5, 0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 20px 0;
}

nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--white);
}

.logo span {
    color: var(--primary);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 36px;
    align-items: center;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

.btn-login {
    border: 1px solid var(--primary);
    padding: 8px 20px !important;
    border-radius: 10px;
    color: var(--primary) !important;
}

.btn-login:hover {
    background: var(--primary);
    color: #fff !important;
}

.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
    padding-top: 0;
    background: var(--darker);
    overflow: hidden;
}

.hero-content {
    max-width: 750px;
}

.hero h1 {
    font-size: 4.2rem;
    line-height: 1.05;
    margin-bottom: 24px;
}

.hero h1 span {
    color: var(--primary);
}

.hero p {
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: 40px;
    max-width: 560px;
}

.hero-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    padding: 14px 32px;
    border-radius: 12px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: filter 0.2s, transform 0.2s;
    white-space: nowrap;
}

.btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
    text-align: center;
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #25d366;
    color: #fff;
    padding: 14px 28px;
    border-radius: 12px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    transition: filter 0.2s, transform 0.2s;
}

.btn-whatsapp:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}

.section-title {
    font-size: 2.6rem;
    text-align: center;
    margin-bottom: 12px;
}

.section-title span {
    color: var(--primary);
}

.section-subtitle {
    text-align: center;
    color: var(--gray);
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto 60px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: border-color 0.2s, transform 0.2s;
    will-change: transform;
}

.service-card:hover {
    border-color: var(--primary);
    transform: translateY(-6px);
}

.service-card i {
    font-size: 2.4rem;
    color: var(--primary);
    margin-bottom: 20px;
    display: block;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--gray);
    font-size: 0.9rem;
    line-height: 1.6;
}

.booking-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.booking-info h2 {
    font-size: 2.8rem;
    line-height: 1.1;
    margin-bottom: 16px;
}

.booking-info h2 span {
    color: var(--primary);
}

.booking-info p {
    color: var(--gray);
    font-size: 1rem;
    margin-bottom: 36px;
}

.contact-items .item {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 18px;
    font-size: 1rem;
}

.contact-items i {
    color: var(--primary);
    width: 20px;
    text-align: center;
}

.booking-form {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 40px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gray);
}

input,
select,
textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--white);
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.06);
}

input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
input:-webkit-autofill:active,
select:-webkit-autofill,
textarea:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 30px #0c0c0c inset !important;
    -webkit-text-fill-color: #fff !important;
    transition: background-color 5000s ease-in-out 0s;
    caret-color: #fff;
}

.btn-submit {
    display: block;
    width: 100%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    padding: 14px;
    border-radius: 12px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: filter 0.2s;
    margin-top: 4px;
}

.btn-submit:hover {
    filter: brightness(1.08);
}

footer {
    padding: 60px 0;
    background: var(--dark);
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--gray);
    font-size: 0.9rem;
}

footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.admin-layout {
    display: flex;
    min-height: 100vh;
    background: var(--darker);
}

.sidebar {
    width: var(--sidebar-width);
    background: var(--dark);
    border-right: 1px solid var(--border);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
    z-index: 1000;
}

.sidebar-logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.2rem;
    color: var(--primary);
    margin-bottom: 48px;
    text-align: center;
}

.sidebar-close {
    display: none;
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: var(--white);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
    transition: transform 0.2s, color 0.2s;
}

.sidebar-close:hover {
    color: var(--primary);
    transform: scale(1.1);
}

.sidebar-menu {
    list-style: none;
    flex: 1;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 13px 16px;
    color: var(--gray);
    text-decoration: none;
    border-radius: 12px;
    margin-bottom: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background 0.2s, color 0.2s;
}

.sidebar-menu a:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--white);
}

.sidebar-menu a.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    font-weight: 700;
}

.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 48px 52px;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 48px;
}

.top-bar h1 {
    font-size: 1.8rem;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px;
    transition: border-color 0.2s;
    width: 100%;
    overflow: hidden;
}

.card+.card {
    margin-top: 28px;
}

.card:hover {
    border-color: rgba(0, 210, 211, 0.25);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    text-align: left;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--gray);
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
}

td {
    padding: 20px 16px;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}

.stat-item {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.stat-item i {
    font-size: 1.4rem;
    color: var(--primary);
    background: rgba(0, 210, 211, 0.08);
    width: 54px;
    height: 54px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    flex-shrink: 0;
}

.stat-val {
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--gray);
    margin-top: 4px;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 8px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.bg-primary {
    background: var(--primary);
}

.text-primary {
    color: var(--primary);
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--darker);
}

::-webkit-scrollbar-thumb {
    background: #1e1e1e;
    border-radius: 8px;
}

::-webkit-scrollbar-thumb:hover {
    background: #333;
}

/* Mobile Sidebar & Layout Improvements */
.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--white);
    background: none;
    border: none;
    cursor: pointer;
    margin-right: 15px;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 900;
}

@media (max-width: 1100px) {
    .booking-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 3.2rem;
    }
}

@media (max-width: 900px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .main-content {
        padding: 32px 20px;
        margin-left: 0;
    }

    .sidebar {
        left: calc(-1 * var(--sidebar-width));
        transition: left 0.3s ease-in-out;
    }

    .sidebar.active {
        left: 0;
        box-shadow: 10px 0 30px rgba(0, 0, 0, 0.5);
    }

    .sidebar-overlay.active {
        display: block;
    }

    .sidebar-close {
        display: block;
    }

    .mobile-toggle {
        display: block;
    }

    .top-bar {
        margin-bottom: 24px;
        flex-wrap: wrap;
        gap: 15px;
    }
}

@media (max-width: 700px) {
    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .booking-form {
        padding: 24px;
    }
}

@media (max-width: 600px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .top-bar h1 {
        font-size: 1.4rem;
        width: 100%;
    }

    .card {
        padding: 20px;
    }

    .hero-btns {
        flex-direction: column;
    }

    .hero-btns a {
        width: 100%;
        text-align: center;
    }
}

/* Table Responsiveness Utility */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}