:root {
    --bg-color: #dbe9f6;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
    --text-dark: #1e293b;
    --text-muted: #475569;
    --primary-blue: #0f4c81;
    --accent-teal: #38b2ac;
    --card-bg: rgba(255, 255, 255, 0.85);
    --hover-shadow: 0 10px 25px rgba(15, 76, 129, 0.1);
}

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

::-webkit-scrollbar {
    width: 14px;
}

::-webkit-scrollbar-track {
    background: #e0f2fe;
    border-left: 1px solid rgba(15, 76, 129, 0.1);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--accent-teal), var(--primary-blue));
    border-radius: 10px;
    border: 3px solid #e0f2fe;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #2c7a7b, #0c3e6a);
}

body {
    font-family: 'Inter', sans-serif;
    background: radial-gradient(#e0f2fe, #bae6fd, #e0f2fe);
    min-height: 100vh;
    padding: 2rem;
    color: var(--text-dark);
    overflow-x: hidden;
}

body::before {
    content: '';
    position: absolute;
    width: 150vw;
    background-size: cover;
    z-index: -1;
    animation: wave 20s infinite linear;
}

@keyframes wave {
    0% {
        transform: translateX(0) translateY(10%);
    }

    50% {
        transform: translateX(-10%) translateY(5%);
    }

    100% {
        transform: translateX(0) translateY(10%);
    }
}

.glass-container {
    width: 100%;
    max-width: 1500px;
    margin: 0 auto;
    position: relative;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 2px solid rgba(15, 76, 129, 0.1);
    margin-bottom: 2.5rem;

    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(224, 242, 254, 0.9);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-radius: 0 0 15px 15px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--primary-blue);
    z-index: 100;
}

.logo img {
    width: 85%;
    height: auto;
}

.logo h1 {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 1px;
}

nav ul {
    display: flex;
    gap: 2rem;
    list-style: none;
}

nav a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: all 0.3s ease;
    padding: 0.5rem 0;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(90deg, transparent, var(--primary-blue), transparent);
    transition: width 0.3s ease;
}

nav a:hover,
nav a.active {
    color: var(--primary-blue);
}

nav a:hover::after,
nav a.active::after {
    width: 100%;
}

#le {
    margin-top: 150px;
}

.menu-toggle {
    display: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
    z-index: 100;
}

.hamburger span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--primary-blue);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.title-section {
    text-align: center;
    margin-bottom: 3rem;
}

.main-title {
    font-family: 'Playfair Display', serif;
    font-size: 2.2rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-weight: 700;
}

.intro-text {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--text-muted);
}

.layout-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.2rem;
    margin-bottom: 2rem;
}

.card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.6);
    padding: 1.2rem;
    border-radius: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
    display: flex;
    gap: 1rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: default;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
    transform: skewX(-25deg);
    transition: 0.6s;
}

.card:hover::before {
    left: 150%;
}

.card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--hover-shadow);
    border-color: rgba(15, 76, 129, 0.2);
}

.card-icon {
    font-size: 1.5rem;
    background: #f1f5f9;
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 12px;
    flex-shrink: 0;
}

.card-content h4 {
    font-size: 0.95rem;
    color: var(--text-dark);
    margin-bottom: 0.4rem;
}

.card-content p {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.info-panels {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.glass-panel {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0.4) 100%);
    border: 1px solid rgba(255, 255, 255, 0.6);
    padding: 1.5rem;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
}

.t-avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid white;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.glass-panel h4 {
    color: var(--primary-blue);
    margin-bottom: 0.3rem;
}

.glass-panel p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.preparation-info {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
}

.image-gallery {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: repeat(2, 220px);
    gap: 1.5rem;
}

.img-wrapper {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border: 2px solid white;
}

.img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.img-wrapper:hover img {
    transform: scale(1.1);
}

.hologram-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(56, 178, 172, 0.1) 0%, rgba(15, 76, 129, 0.4) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
    display: flex;
    justify-content: center;
    align-items: center;
}

.img-wrapper:hover .hologram-overlay {
    opacity: 1;
}

.hologram-overlay::after {
    color: rgba(255, 255, 255, 0.8);
    font-size: 3rem;
    font-weight: 100;
}

footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(15, 76, 129, 0.1);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.social-icons {
    display: flex;
    gap: 1.5rem;
}

@media (max-width: 1200px) {
    .layout-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .image-gallery {
        grid-template-rows: repeat(2, 300px);
    }
}

@media (max-width: 900px) {
    .hamburger {
        display: flex;
    }

    nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.9);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-radius: 20px;
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease-out, padding 0.4s ease-out;
        z-index: 99;
    }

    nav ul {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
        padding: 2rem 0;
    }

    .menu-toggle:checked~nav {
        max-height: 500px;
        border: 1px solid var(--glass-border);
    }

    .menu-toggle:checked~.hamburger span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    .menu-toggle:checked~.hamburger span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle:checked~.hamburger span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .logo img {
        width: 100%;
    }
}

@media (max-width: 768px) {
    body {
        padding: 1.5rem 1rem;
    }

    .glass-container {
        padding: 0;
    }

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

    .pricing-grid-responsive {
        grid-template-columns: 1fr !important;
        gap: 1.5rem !important;
    }

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

    .img-wrapper {
        height: 250px;
    }

    .main-title {
        font-size: 1.8rem;
    }

    .glass-panel {
        flex-direction: column !important;
        align-items: flex-start !important;
        text-align: left;
    }

    .glass-panel>div:last-child {
        margin-top: 0.5rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}