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

body {
    font-family: Segoe UI,Tahoma,Geneva,Verdana,sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px
}

.header {
    background: linear-gradient(135deg,#2c5aa0,#1e3a8a);
    color: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 10px #0000001a
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center
}

.logo {
    font-size: 1.8rem;
    font-weight: 700
}

.nav {
    display: flex;
    gap: 2rem
}

.nav a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: color .3s ease
}

.nav a:hover {
    color: #93c5fd
}

.hero {
    background: linear-gradient(#0006,#0006),url(https://images.pexels.com/photos/1591447/pexels-photo-1591447.jpeg?auto=compress&cs=tinysrgb&w=1200) center/cover;
    color: #fff;
    text-align: center;
    padding: 6rem 0
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700
}

.hero-subtitle {
    font-size: 1.2rem;
    opacity: .9
}

.packages-section,.booking-section {
    padding: 4rem 0
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: #1e3a8a;
    font-weight: 700
}

.packages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(300px,1fr));
    gap: 2rem;
    margin-bottom: 2rem
}

.package-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px #0000001a;
    transition: transform .3s ease,box-shadow .3s ease
}

.package-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px #00000026
}

.package-card.selected {
    border: 3px solid #2c5aa0;
    transform: translateY(-5px)
}

.package-image {
    height: 200px;
    overflow: hidden
}

.package-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .3s ease
}

.package-card:hover .package-image img {
    transform: scale(1.05)
}

.package-content {
    padding: 1.5rem
}

.package-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e3a8a;
    margin-bottom: .5rem
}

.package-price {
    font-size: 1.8rem;
    font-weight: 700;
    color: #059669;
    margin-bottom: 1rem
}

.package-description {
    color: #6b7280;
    margin-bottom: 1rem;
    line-height: 1.6
}

.package-features {
    list-style: none;
    margin-bottom: 1.5rem
}

.package-features li {
    color: #4b5563;
    position: relative;
    padding: .25rem 0 .25rem 1.5rem
}

.package-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #059669;
    font-weight: 700
}

.select-package-btn {
    width: 100%;
    background: linear-gradient(135deg,#2c5aa0,#1e3a8a);
    color: #fff;
    border: none;
    padding: .75rem 1.5rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all .3s ease
}

.select-package-btn:hover {
    background: linear-gradient(135deg,#1e3a8a,#1e40af);
    transform: translateY(-2px)
}

.select-package-btn.selected {
    background: linear-gradient(135deg,#059669,#047857)
}

.booking-form-container {
    max-width: 600px;
    margin: 0 auto;
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px #0000001a
}

.selected-package-info {
    background: #f0f9ff;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    border-left: 4px solid #2c5aa0
}

.package-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600
}

.package-name {
    color: #1e3a8a
}

.package-price {
    color: #059669;
    font-size: 1.2rem
}

.form-section {
    margin-bottom: 2rem
}

.form-section-title {
    font-size: 1.3rem;
    color: #1e3a8a;
    margin-bottom: 1rem;
    font-weight: 600
}

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

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

.form-group label {
    display: block;
    margin-bottom: .5rem;
    font-weight: 500;
    color: #374151
}

.form-group input {
    width: 100%;
    padding: .75rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color .3s ease,box-shadow .3s ease
}

.form-group input:focus {
    outline: none;
    border-color: #2c5aa0;
    box-shadow: 0 0 0 3px #2c5aa01a
}

.form-group input.error {
    border-color: #ef4444
}

.form-group input.valid {
    border-color: #059669
}

.error-message {
    color: #ef4444;
    font-size: .875rem;
    margin-top: .25rem;
    min-height: 1.25rem
}

.calendar-container {
    background: #f9fafb;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1rem
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem
}

.calendar-nav {
    background: #2c5aa0;
    color: #fff;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: background-color .3s ease
}

.calendar-nav:hover {
    background: #1e3a8a
}

.calendar-month {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1e3a8a
}

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7,1fr);
    gap: 2px;
    margin-bottom: .5rem
}

.weekday {
    text-align: center;
    font-weight: 600;
    color: #6b7280;
    padding: .5rem;
    font-size: .875rem
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7,1fr);
    gap: 2px
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all .3s ease;
    min-height: 40px
}

.calendar-day:hover:not(.disabled):not(.other-month) {
    background: #e0f2fe;
    border-color: #2c5aa0;
    transform: scale(1.05)
}

.calendar-day.selected {
    background: #2c5aa0;
    color: #fff;
    border-color: #2c5aa0;
    transform: scale(1.05)
}

.calendar-day.disabled {
    background: #f3f4f6;
    color: #9ca3af;
    cursor: not-allowed
}

.calendar-day.other-month {
    color: #d1d5db;
    background: #f9fafb
}

.calendar-day.today {
    border: 2px solid #059669;
    font-weight: 700
}

.total-section {
    background: #f9fafb;
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem
}

.total-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: .5rem;
    font-size: 1rem
}

.total-final {
    border-top: 2px solid #e5e7eb;
    padding-top: .5rem;
    margin-top: .5rem;
    font-weight: 700;
    font-size: 1.2rem;
    color: #1e3a8a
}

.submit-btn {
    width: 100%;
    background: linear-gradient(135deg,#2c5aa0,#1e3a8a);
    color: #fff;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all .3s ease
}

.submit-btn:hover:not(:disabled) {
    background: linear-gradient(135deg,#1e3a8a,#1e40af);
    transform: translateY(-2px)
}

.submit-btn:disabled {
    background: #9ca3af;
    cursor: not-allowed;
    transform: none
}

.footer {
    background: #1f2937;
    color: #fff;
    text-align: center;
    padding: 2rem 0;
    margin-top: 4rem
}

@media (max-width: 768px) {
    .container {
        padding:0 15px
    }

    .header .container {
        flex-direction: column;
        gap: 1rem
    }

    .nav {
        gap: 1rem
    }

    .hero-title {
        font-size: 2rem
    }

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

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

    .packages-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem
    }

    .booking-form-container {
        margin: 0 15px;
        padding: 1.5rem
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0
    }

    .package-content {
        padding: 1rem
    }

    .package-title {
        font-size: 1.3rem
    }

    .package-price {
        font-size: 1.5rem
    }

    .calendar-container {
        padding: .75rem
    }

    .calendar-day {
        min-height: 35px;
        font-size: .875rem
    }

    .calendar-nav {
        width: 35px;
        height: 35px;
        font-size: 1rem
    }
}

@media (max-width: 480px) {
    .hero {
        padding:4rem 0
    }

    .hero-title {
        font-size: 1.8rem
    }

    .packages-section,.booking-section {
        padding: 2rem 0
    }

    .section-title {
        font-size: 1.8rem;
        margin-bottom: 2rem
    }

    .booking-form-container {
        padding: 1rem
    }

    .form-section-title {
        font-size: 1.2rem
    }

    .calendar-day {
        min-height: 30px;
        font-size: .8rem
    }

    .weekday {
        font-size: .75rem;
        padding: .25rem
    }
}