/* ===================================================================
   Smart Booking - Landing Page Styles
   Standalone CSS (independent from AdminLTE panel)
   =================================================================== */

/* --- CSS Variables --- */
:root {
    --landing-primary: #2563eb;
    --landing-primary-dark: #1d4ed8;
    --landing-violet: #7c3aed;
    --landing-violet-dark: #6d28d9;
    --landing-cyan: #0891b2;
    --landing-cyan-dark: #0e7490;
    --landing-dark: #1e293b;
    --landing-dark-lighter: #334155;
    --landing-light: #f8fafc;
    --landing-gray: #64748b;
    --landing-white: #ffffff;
    --landing-gradient: linear-gradient(135deg, var(--landing-primary) 0%, var(--landing-violet) 100%);
    --landing-gradient-reverse: linear-gradient(135deg, var(--landing-violet) 0%, var(--landing-primary) 100%);
    --landing-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --landing-shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.15);
    --landing-radius: 16px;
    --landing-transition: all 0.3s ease;
}

/* --- Global / Base --- */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Nunito', sans-serif;
    color: var(--landing-dark);
    line-height: 1.7;
    overflow-x: hidden;
}

section {
    padding: 80px 0;
}

/* --- Navbar --- */
.landing-navbar {
    background: var(--landing-white);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    padding: 12px 0;
    transition: var(--landing-transition);
    z-index: 1050;
}

.landing-navbar .navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    background: var(--landing-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.landing-navbar .btn-login {
    background: var(--landing-gradient);
    border: none;
    color: var(--landing-white);
    padding: 8px 24px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    transition: var(--landing-transition);
}

.landing-navbar .btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.4);
    color: var(--landing-white);
}

/* --- Hero Section --- */
.hero-section {
    background: var(--landing-gradient);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 100px;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 50%;
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--landing-white);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-section .hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    max-width: 600px;
    line-height: 1.8;
}

.hero-section .btn-hero {
    background: var(--landing-white);
    color: var(--landing-primary);
    padding: 14px 40px;
    border-radius: 50px;
    font-weight: 800;
    font-size: 1.1rem;
    border: none;
    transition: var(--landing-transition);
    text-decoration: none;
    display: inline-block;
}

.hero-section .btn-hero:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    color: var(--landing-primary);
}

/* --- Section Headers --- */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--landing-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--landing-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* --- Feature Cards (Admin Section) --- */
.admin-section {
    background: var(--landing-light);
}

/* --- Advantages Section --- */
.advantages-section {
    background: var(--landing-white);
}

.advantage-card {
    background: var(--landing-light);
    border-radius: var(--landing-radius);
    padding: 35px 25px;
    text-align: center;
    transition: var(--landing-transition);
    height: 100%;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--landing-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.advantage-card:hover::before {
    transform: scaleX(1);
}

.advantage-card:hover {
    border-color: rgba(37, 99, 235, 0.1);
    transform: translateY(-5px);
    box-shadow: var(--landing-shadow);
}

.advantage-card .advantage-icon {
    width: 65px;
    height: 65px;
    border-radius: 16px;
    background: var(--landing-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: var(--landing-transition);
}

.advantage-card .advantage-icon i {
    font-size: 1.5rem;
    color: var(--landing-white);
}

.advantage-card:hover .advantage-icon {
    transform: rotate(-5deg) scale(1.1);
}

.advantage-card h5 {
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: 10px;
    color: var(--landing-dark);
}

.advantage-card p {
    color: var(--landing-gray);
    font-size: 0.9rem;
    margin-bottom: 0;
    line-height: 1.6;
}

.feature-card {
    background: var(--landing-white);
    border-radius: var(--landing-radius);
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--landing-shadow);
    transition: var(--landing-transition);
    height: 100%;
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--landing-shadow-hover);
}

.feature-card .icon-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--landing-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    transition: var(--landing-transition);
}

.feature-card .icon-circle i {
    font-size: 1.8rem;
    color: var(--landing-white);
}

.feature-card:hover .icon-circle {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

.feature-card h5 {
    font-weight: 700;
    font-size: 1.15rem;
    margin-bottom: 12px;
    color: var(--landing-dark);
}

.feature-card p {
    color: var(--landing-gray);
    font-size: 0.95rem;
    margin-bottom: 0;
    line-height: 1.6;
}

/* --- PWA Section --- */
.pwa-section {
    background: var(--landing-white);
}

.pwa-subsection {
    margin-bottom: 50px;
}

.pwa-subsection:last-child {
    margin-bottom: 0;
}

.pwa-subsection h4 {
    font-weight: 700;
    font-size: 1.4rem;
    color: var(--landing-dark);
    margin-bottom: 30px;
    text-align: center;
}

.pwa-subsection h4 i {
    margin-right: 10px;
    color: var(--landing-primary);
}

.pwa-item {
    display: flex;
    align-items: flex-start;
    padding: 20px;
    background: var(--landing-light);
    border-radius: 12px;
    margin-bottom: 16px;
    transition: var(--landing-transition);
    border: 1px solid transparent;
}

.pwa-item:hover {
    border-color: rgba(37, 99, 235, 0.15);
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.pwa-item .pwa-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    border-radius: 12px;
    background: var(--landing-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 16px;
}

.pwa-item .pwa-icon i {
    font-size: 1.2rem;
    color: var(--landing-white);
}

.pwa-item .pwa-content h6 {
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--landing-dark);
}

.pwa-item .pwa-content p {
    color: var(--landing-gray);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* PWA Login Options */
.pwa-login-options {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

.pwa-login-option {
    text-align: center;
    padding: 30px;
    background: var(--landing-light);
    border-radius: var(--landing-radius);
    transition: var(--landing-transition);
    min-width: 180px;
    border: 1px solid transparent;
}

.pwa-login-option:hover {
    border-color: rgba(37, 99, 235, 0.15);
    transform: translateY(-5px);
    box-shadow: var(--landing-shadow);
}

.pwa-login-option .pwa-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--landing-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
}

.pwa-login-option .pwa-icon i {
    font-size: 1.4rem;
    color: var(--landing-white);
}

.pwa-login-option h6 {
    font-weight: 700;
    color: var(--landing-dark);
    margin-bottom: 0;
}

/* --- CTA Section --- */
.cta-section {
    background: var(--landing-gradient);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.cta-section h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--landing-white);
    margin-bottom: 1.2rem;
}

.cta-section p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section .btn-cta {
    background: var(--landing-white);
    color: var(--landing-primary);
    padding: 14px 40px;
    border-radius: 50px;
    font-weight: 800;
    font-size: 1.1rem;
    border: none;
    transition: var(--landing-transition);
    text-decoration: none;
    display: inline-block;
}

.cta-section .btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    color: var(--landing-primary);
}

/* --- Footer --- */
.landing-footer {
    background: var(--landing-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 40px 0;
    text-align: center;
}

.landing-footer .footer-brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--landing-white);
    margin-bottom: 8px;
}

.landing-footer .footer-description {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 16px;
}

.landing-footer .footer-copyright {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ===================================================================
   Responsive Media Queries
   =================================================================== */

/* Small devices (320px+) */
@media (max-width: 575.98px) {
    .hero-section h1 {
        font-size: 2.2rem;
    }

    .hero-section .hero-subtitle {
        font-size: 1rem;
    }

    .hero-section .btn-hero {
        padding: 12px 30px;
        font-size: 1rem;
    }

    section {
        padding: 50px 0;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .feature-card {
        padding: 30px 20px;
    }

    .pwa-login-options {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }

    .pwa-login-option {
        min-width: 100%;
    }

    .cta-section h2 {
        font-size: 1.8rem;
    }

    .cta-section p {
        font-size: 1rem;
    }

    .landing-navbar .navbar-brand {
        font-size: 1.2rem;
    }
}

/* Medium devices (tablets, 768px+) */
@media (min-width: 768px) and (max-width: 991.98px) {
    .hero-section h1 {
        font-size: 3rem;
    }

    .section-header h2 {
        font-size: 2.2rem;
    }
}

/* Large devices (desktops, 992px+) */
@media (min-width: 992px) {
    .hero-section {
        padding-top: 80px;
    }

    .hero-section h1 {
        font-size: 3.5rem;
    }
}

/* Extra small (320px) */
@media (max-width: 359px) {
    .hero-section h1 {
        font-size: 1.8rem;
    }

    .hero-section .hero-subtitle {
        font-size: 0.9rem;
    }

    .section-header h2 {
        font-size: 1.5rem;
    }

    .feature-card .icon-circle {
        width: 60px;
        height: 60px;
    }

    .feature-card .icon-circle i {
        font-size: 1.4rem;
    }
}


/* --- Business Types Section --- */
.business-types-section {
    background: var(--landing-light);
}

.business-type-card {
    background: var(--landing-white);
    border-radius: var(--landing-radius);
    padding: 30px 25px;
    text-align: center;
    transition: var(--landing-transition);
    height: 100%;
    border: 2px solid transparent;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
}

.business-type-card:hover {
    border-color: rgba(37, 99, 235, 0.2);
    transform: translateY(-8px);
    box-shadow: var(--landing-shadow-hover);
}

.business-type-card .business-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--landing-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: var(--landing-transition);
}

.business-type-card .business-icon i {
    font-size: 1.8rem;
    color: var(--landing-white);
}

.business-type-card:hover .business-icon {
    transform: scale(1.15) rotate(5deg);
}

.business-type-card h5 {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: var(--landing-dark);
}

.business-type-card p {
    color: var(--landing-gray);
    font-size: 0.9rem;
    margin-bottom: 0;
    line-height: 1.6;
}

.business-types-footer {
    text-align: center;
    margin-top: 50px;
    padding: 30px;
    background: var(--landing-white);
    border-radius: var(--landing-radius);
    border-left: 4px solid var(--landing-primary);
}

.business-types-footer p {
    color: var(--landing-gray);
    font-size: 1rem;
    margin-bottom: 0;
    line-height: 1.7;
}


/* --- Architecture Section --- */
.architecture-section {
    background: var(--landing-white);
}

.architecture-subtitle {
    color: var(--landing-primary);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.architecture-list {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.architecture-list li {
    color: var(--landing-gray);
    font-size: 0.9rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.architecture-list li:last-child {
    margin-bottom: 0;
}

.architecture-list li i {
    color: var(--landing-primary);
    margin-right: 10px;
    font-weight: 700;
}