.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 100%;
    margin: 0;
    padding: 1.5vh 5vw;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 1vw;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-logo img {
    height: 5vh;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 3vw;
    overflow: visible;
    margin-left: auto;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 1rem;
    transition: color 0.3s ease;
}

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

.btn-primary, .btn-secondary {
    padding: 1vh 2vw;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

 
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0ea5e9 0%, #38bdf8 100%);
    padding: 12vh 3vw 8vh;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
    max-width: 50vw;
    z-index: 2;
    position: relative;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 2vh;
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(45deg, #fbbf24, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 3vh;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 2vw;
    margin-bottom: 5vh;
}

.btn-large {
    padding: 1.5vh 2.5vw;
    font-size: 1.1rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 1vw;
    transition: all 0.3s ease;
}

.btn-large.btn-primary {
    background: white;
    color: var(--primary-color);
}

.btn-large.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn-large.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-large.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
}

.hero-stats {
    display: flex;
    gap: 3vw;
}

.stat {
    text-align: center;
    color: white;
}

.stat h3 {
    font-size: 2.5vw;
    font-weight: 800;
    margin-bottom: 0.25vw;
}

.stat p {
    font-size: 1vw;
    opacity: 0.9;
}

.hero-image {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 40vw;
    height: 40vh;
}

.floating-books {
    position: relative;
    width: 100%;
    height: 100%;
}

.book {
    position: absolute;
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.1);
    animation: float 6s ease-in-out infinite;
}

.book-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.book-2 {
    top: 50%;
    right: 20%;
    animation-delay: 2s;
    font-size: 5rem;
}

.book-3 {
    bottom: 20%;
    left: 30%;
    animation-delay: 4s;
    font-size: 3rem;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(10deg);
    }
}

 
.features {
    padding: 8vh 3vw;
    background: #f8fafc;
}

.container {
    max-width: 85vw;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 5vh;
    color: var(--dark-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3vw;
    max-width: 85vw;
    margin: 0 auto;
}

.feature-card {
    background: white;
    padding: 3.5vh 2.5vw;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 2vh;
    background: linear-gradient(135deg, #0ea5e9 0%, #38bdf8 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5vh;
    color: var(--dark-color);
}

.feature-card p {
    color: #64748b;
    line-height: 1.6;
    font-size: 1rem;
}

 
.gallery {
    padding: 8vh 3vw;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    position: relative;
    overflow: hidden;
}

.gallery::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(14, 165, 233, 0.03) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(56, 189, 248, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.gallery-grid {
    display: flex;
    flex-direction: column;
    gap: 6vh;
    max-width: 90vw;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    padding: 4vh 0;
}

.gallery-item {
    position: relative;
    height: 35vh;
    width: 60%;
    border-radius: 15px;
    overflow: hidden;
    border: 3px solid rgba(14, 165, 233, 0.1);
    box-shadow: 
        0 8px 25px rgba(0, 0, 0, 0.08),
        0 3px 10px rgba(0, 0, 0, 0.04);
    transition: all 0.4s ease;
    background: #ffffff;
    cursor: pointer;
}

 
.gallery-item-1 {
    align-self: flex-start;
    margin-left: 5%;
}

.gallery-item-2 {
    align-self: flex-end;
    margin-right: 5%;
}

.gallery-item-3 {
    align-self: flex-start;
    margin-left: 5%;
}

.gallery-item:hover {
    transform: translateY(-5px);
    border-color: rgba(14, 165, 233, 0.3);
    box-shadow: 
        0 15px 35px rgba(0, 0, 0, 0.12),
        0 5px 15px rgba(0, 0, 0, 0.08),
        0 0 0 1px rgba(14, 165, 233, 0.1);
}

.gallery-image {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
}

.gallery-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s ease;
}

.gallery-item:hover .gallery-image img {
    transform: scale(1.05);
}

.gallery-zoom-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(14, 165, 233, 0.9);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 3;
}

.gallery-item:hover .gallery-zoom-icon {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
}

 
.lightbox {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

.lightbox-content {
    position: relative;
    margin: 5vh auto;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.lightbox-close {
    position: absolute;
    top: -50px;
    right: 0;
    color: white;
    font-size: 3rem;
    font-weight: 300;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10001;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.lightbox-close:hover {
    color: #ef4444;
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

#lightboxImage {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 15px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.lightbox-caption {
    margin-top: 2vh;
    text-align: center;
}

.lightbox-caption h3 {
    color: white;
    font-size: 1.8rem;
    font-weight: 600;
    margin: 0;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

 
.animate-on-scroll {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.animate {
    opacity: 1;
    transform: translateY(0);
}

.animate-on-scroll.delay-1 {
    transition-delay: 0.1s;
}

.animate-on-scroll.delay-2 {
    transition-delay: 0.2s;
}

.animate-on-scroll.delay-3 {
    transition-delay: 0.3s;
}

.animate-on-scroll.delay-4 {
    transition-delay: 0.4s;
}

.animate-on-scroll.delay-5 {
    transition-delay: 0.5s;
}

.animate-on-scroll.delay-6 {
    transition-delay: 0.6s;
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-100px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-in-left.animate {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(100px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-in-right.animate {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-up.animate {
    opacity: 1;
    transform: translateY(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.scale-in.animate {
    opacity: 1;
    transform: scale(1);
}

 
.categories {
    padding: 5vw 2vw;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(12.5vw, 1fr));
    gap: 2vw;
}

.category-card {
    background: linear-gradient(135deg, #0ea5e9 0%, #38bdf8 100%);
    padding: 2vw;
    border-radius: 0.9375vw;
    text-align: center;
    color: white;
    transition: all 0.3s ease;
    cursor: pointer;
}

.category-card:hover {
    transform: translateY(-0.3125vw) scale(1.05);
    box-shadow: 0 0.625vw 1.875vw rgba(102, 126, 234, 0.4);
}

.category-card i {
    font-size: 3vw;
    margin-bottom: 1vw;
}

.category-card h3 {
    font-size: 1.25vw;
    margin-bottom: 0.5vw;
}

.category-card p {
    font-size: 0.9vw;
    opacity: 0.9;
}

 
.cta {
    background: linear-gradient(135deg, #0ea5e9 0%, #38bdf8 100%);
    padding: 8vh 3vw;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    color: white;
    margin-bottom: 2vh;
}

.cta-content p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 3vh;
}

.btn-white {
    background: white;
    color: var(--primary-color);
}

.btn-white:hover {
    transform: translateY(-0.1875vw);
    box-shadow: 0 0.625vw 1.5625vw rgba(0, 0, 0, 0.2);
}

 
.about {
    padding: 8vh 3vw;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 80% 20%, rgba(14, 165, 233, 0.02) 0%, transparent 50%);
    pointer-events: none;
}

.about-content {
    display: grid;
    grid-template-columns: 40% 55%;
    gap: 5vw;
    align-items: center;
    max-width: 85vw;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.about-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3vh;
}

.about-logo-image {
    width: 80%;
    max-width: 300px;
    height: auto;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
    transition: all 0.4s ease;
}

.about-logo-image:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 15px 30px rgba(14, 165, 233, 0.2));
}

.about-text {
    padding: 2vh 0;
}

.about-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 3vh;
    position: relative;
}

.about-title::after {
    content: '';
    position: absolute;
    bottom: -1vh;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, #0ea5e9 0%, #38bdf8 100%);
    border-radius: 2px;
}

.about-description p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #4b5563;
    margin-bottom: 2vh;
    text-align: justify;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2vh;
    margin-top: 4vh;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 1vw;
    padding: 1.5vh 1vw;
    background: white;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.about-feature:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.about-feature i {
    font-size: 1.3rem;
    color: var(--primary-color);
    width: 30px;
    text-align: center;
}

.about-feature span {
    font-size: 1rem;
    font-weight: 600;
    color: #374151;
}

 
.footer {
    background: #e5e7eb;
    color: #374151;
    padding: 6vh 3vw 2vh;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(15.625vw, 1fr));
    gap: 3vw;
    margin-bottom: 3vw;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1vw;
}

.footer-section a {
    display: block;
    color: #6b7280;
    text-decoration: none;
    margin-bottom: 0.5vw;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #374151;
}

.footer-section p {
    color: #6b7280;
    margin-bottom: 0.5vw;
}

.footer-section i {
    margin-right: 0.5vw;
}

.footer-bottom {
    text-align: center;
    padding-top: 2vw;
    border-top: 0.0625vw solid rgba(107, 114, 128, 0.3);
    color: #9ca3af;
}

 
.btn-signup-disabled {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.8vw;
    padding: 0.75vw 2vw;
    border-radius: 2vw;
    background: linear-gradient(145deg, #1f2937 0%, #111827 100%);
    color: #e5e7eb;
    font-weight: 600;
    text-decoration: none;
    cursor: not-allowed;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.1),
        0 2px 4px -1px rgba(0, 0, 0, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    overflow: visible;
    margin: 0 1vw;
}

.btn-signup-disabled:before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 2vw;
    padding: 1px;
    background: linear-gradient(45deg, 
        transparent 30%,
        rgba(239, 68, 68, 0.3) 50%,
        transparent 70%);
    -webkit-mask: 
        linear-gradient(#fff 0 0) content-box, 
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.btn-signup-disabled:hover:before {
    opacity: 1;
}

.btn-signup-disabled .btn-text {
    position: relative;
    z-index: 2;
    font-size: 0.95vw;
    letter-spacing: 0.5px;
    color: #e5e7eb;
}

.btn-signup-disabled .btn-status {
    position: absolute;
    top: -0.7vw;
    right: -0.7vw;
    z-index: 10;
    font-size: 0.6vw;
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    color: #1f2937;
    padding: 0.25vw 0.6vw;
    border-radius: 1vw;
    font-weight: 900;
    letter-spacing: 1.5px;
    box-shadow: 
        0 2px 8px rgba(251, 191, 36, 0.4),
        0 0 0 2px rgba(255, 255, 255, 0.9);
    animation: float-badge 3s ease-in-out infinite;
    transform-origin: center;
}

@keyframes float-badge {
    0%, 100% { 
        transform: translateY(0) rotate(-5deg) scale(1);
    }
    25% {
        transform: translateY(-2px) rotate(-3deg) scale(1.05);
    }
    50% { 
        transform: translateY(-4px) rotate(-5deg) scale(1.1);
    }
    75% {
        transform: translateY(-2px) rotate(-7deg) scale(1.05);
    }
}

.btn-signup-disabled .btn-lock-icon {
    position: relative;
    z-index: 2;
    font-size: 0.9vw;
    color: #ef4444;
    opacity: 0.7;
    animation: lock-pulse 2s ease-in-out infinite;
}

@keyframes lock-pulse {
    0%, 100% { 
        opacity: 0.7;
        transform: scale(1);
    }
    50% { 
        opacity: 1;
        transform: scale(1.1);
    }
}

.btn-signup-disabled:hover {
    background: linear-gradient(145deg, #111827 0%, #1f2937 100%);
    border-color: rgba(239, 68, 68, 0.4);
    box-shadow: 
        0 10px 15px -3px rgba(0, 0, 0, 0.1),
        0 4px 6px -2px rgba(0, 0, 0, 0.05),
        0 0 30px rgba(239, 68, 68, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.btn-signup-disabled:hover .btn-text {
    color: #f3f4f6;
}

.btn-signup-disabled:hover .btn-status {
    animation: shake-badge 0.5s ease-in-out;
}

@keyframes shake-badge {
    0%, 100% { transform: translateY(0) rotate(-5deg); }
    25% { transform: translateY(0) rotate(5deg); }
    50% { transform: translateY(0) rotate(-5deg); }
    75% { transform: translateY(0) rotate(5deg); }
}

 
.btn-large.btn-signup-disabled {
    position: relative;
    padding: 1vw 2.5vw;
    font-size: 1.1vw;
    background: linear-gradient(135deg, #374151 0%, #1f2937 100%);
    color: #9ca3af;
    border: 2px solid rgba(156, 163, 175, 0.2);
    cursor: not-allowed;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.7vw;
    overflow: visible;
    margin: 0 1.5vw;
    transition: all 0.3s ease;
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.1),
        0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.btn-large.btn-signup-disabled:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 1.875vw;
    background: repeating-linear-gradient(
        -45deg,
        transparent,
        transparent 15px,
        rgba(239, 68, 68, 0.03) 15px,
        rgba(239, 68, 68, 0.03) 30px
    );
    pointer-events: none;
}

.btn-large.btn-signup-disabled:hover {
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    border-color: rgba(239, 68, 68, 0.3);
    box-shadow: 
        0 10px 15px -3px rgba(0, 0, 0, 0.1),
        0 4px 6px -2px rgba(0, 0, 0, 0.05),
        0 0 25px rgba(239, 68, 68, 0.1);
}

.btn-large.btn-signup-disabled:hover i {
    color: #ef4444;
}

.btn-badge {
    position: absolute;
    top: -0.8vw;
    right: -0.8vw;
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    padding: 0.35vw 0.9vw;
    border-radius: 1.2vw;
    font-size: 0.65vw;
    font-weight: 900;
    letter-spacing: 1.5px;
    box-shadow: 
        0 4px 10px rgba(239, 68, 68, 0.4),
        0 0 0 3px rgba(255, 255, 255, 1);
    animation: pulse-badge 2s ease-in-out infinite;
    z-index: 10;
}

@keyframes pulse-badge {
    0%, 100% { 
        transform: scale(1) rotate(-10deg);
        box-shadow: 
            0 4px 10px rgba(239, 68, 68, 0.4),
            0 0 0 3px rgba(255, 255, 255, 1);
    }
    50% { 
        transform: scale(1.1) rotate(-10deg);
        box-shadow: 
            0 6px 15px rgba(239, 68, 68, 0.6),
            0 0 0 3px rgba(255, 255, 255, 1),
            0 0 20px rgba(239, 68, 68, 0.3);
    }
}

 
.btn-large.btn-signup-disabled-white {
    position: relative;
    padding: 1vw 2.5vw;
    font-size: 1.1vw;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    color: rgba(255, 255, 255, 0.8);
    border: 2px solid rgba(255, 255, 255, 0.3);
    cursor: not-allowed;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.7vw;
    overflow: visible;
    margin: 0 1.5vw;
    transition: all 0.3s ease;
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.1),
        0 2px 4px -1px rgba(0, 0, 0, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-large.btn-signup-disabled-white:before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 1.875vw;
    background: 
        radial-gradient(
            circle at 20% 50%,
            rgba(255, 255, 255, 0.1) 0%,
            transparent 50%
        );
    pointer-events: none;
}

.btn-large.btn-signup-disabled-white:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 
        0 10px 15px -3px rgba(0, 0, 0, 0.1),
        0 4px 6px -2px rgba(0, 0, 0, 0.05),
        0 0 30px rgba(255, 255, 255, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn-large.btn-signup-disabled-white:hover i {
    color: #fbbf24;
}

.btn-large.btn-signup-disabled-white .btn-badge {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    color: #1f2937;
    box-shadow: 
        0 4px 10px rgba(251, 191, 36, 0.5),
        0 0 0 3px rgba(255, 255, 255, 0.9);
}

 
.pricing {
    padding: 8vh 3vw;
    background: linear-gradient(135deg, #f8fafc 0%, #e5e7eb 100%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 4vw;
    max-width: 70vw;
    margin: 0 auto;
}

.pricing-card {
    position: relative;
    background: white;
    border-radius: 20px;
    padding: 4vh 3vw;
    box-shadow: 
        0 10px 25px -5px rgba(0, 0, 0, 0.1),
        0 10px 10px -5px rgba(0, 0, 0, 0.04);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-height: 60vh;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 20px 35px -5px rgba(0, 0, 0, 0.15),
        0 15px 15px -5px rgba(0, 0, 0, 0.08);
}

.pricing-card.featured {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-0.5vw);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    right: 30px;
    background: linear-gradient(135deg, #0ea5e9 0%, #38bdf8 100%);
    color: white;
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 10px rgba(14, 165, 233, 0.3);
}

.pricing-header {
    text-align: center;
    padding-bottom: 3vh;
    border-bottom: 1px solid #e5e7eb;
    margin-bottom: 3vh;
}

.pricing-icon {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 2vh;
    display: block;
}

.pricing-card.featured .pricing-icon {
    background: linear-gradient(135deg, #0ea5e9 0%, #38bdf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-header h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 2vh;
}

.price-tag {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3vw;
}

.price {
    font-size: 2.5rem;
    font-weight: 800;
    color: #10b981;
}

.pricing-card.featured .price {
    color: var(--primary-color);
}

.price-period {
    font-size: 0.9rem;
    color: #6b7280;
}

.pricing-features {
    flex-grow: 1;
    margin-bottom: 2vw;
}

.pricing-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pricing-features li {
    padding: 1.5vh 0;
    display: flex;
    align-items: center;
    gap: 1.5vw;
    font-size: 1rem;
    color: #374151;
    border-bottom: 1px solid #f3f4f6;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li i {
    font-size: 1vw;
    width: 1.5vw;
    text-align: center;
}

.pricing-features li i.fa-check {
    color: #10b981;
}

.pricing-features li.feature-disabled {
    color: #9ca3af;
}

.pricing-features li.feature-disabled i {
    color: #ef4444;
}

.pricing-features li.feature-warning {
    color: #f59e0b;
    font-weight: 600;
}

.pricing-features li.feature-warning i {
    color: #f59e0b;
}

.pricing-footer {
    text-align: center;
    margin-top: auto;
}

.btn-pricing-primary,
.btn-pricing-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 1vw;
    padding: 1.5vh 3vw;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    width: 100%;
}

.btn-pricing-primary {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3);
}

.btn-pricing-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn-pricing-secondary {
    background: linear-gradient(135deg, #0ea5e9 0%, #38bdf8 100%);
    color: white;
    box-shadow: 0 4px 10px rgba(14, 165, 233, 0.3);
}

.btn-pricing-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.4);
}

.pricing-note {
    margin-top: 2vh;
    font-size: 0.8rem;
    color: #6b7280;
    font-style: italic;
}

 
.btn-download {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 1vw 2vw;
    font-size: 1.1vw;
    border-radius: 1.875vw;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5vw;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3);
}

.btn-download:hover {
    transform: translateY(-0.1875vw);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.4);
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
}

 
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: white;
    margin: 10vh auto;
    padding: 0;
    border: none;
    width: 90%;
    max-width: 35vw;
    border-radius: 1.5vw;
    box-shadow: 
        0 25px 50px -12px rgba(0, 0, 0, 0.25),
        0 0 0 1px rgba(0, 0, 0, 0.05);
    animation: slideUp 0.3s ease;
    overflow: hidden;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 2rem;
    font-weight: 300;
    cursor: pointer;
    color: #6b7280;
    transition: all 0.3s ease;
    z-index: 10;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
}

.modal-close:hover {
    color: #ef4444;
    background: #fee2e2;
    transform: rotate(90deg);
}

.modal-header {
    background: linear-gradient(135deg, #0ea5e9 0%, #38bdf8 100%);
    color: white;
    padding: 4vh 3vw;
    text-align: center;
}

.modal-icon {
    font-size: 3rem;
    margin-bottom: 2vh;
    display: block;
}

.modal-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0;
}

.modal-body {
    padding: 4vh 3vw;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 3vh;
    margin-bottom: 3vh;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 2vh 1.5vw;
    background: #f8fafc;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.contact-item:hover {
    background: #e5e7eb;
    transform: translateX(5px);
}

.contact-item i {
    font-size: 2rem;
    color: var(--primary-color);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.contact-item div h3 {
    font-size: 1rem;
    color: #6b7280;
    margin: 0 0 5px 0;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.contact-item div a {
    font-size: 1.3rem;
    color: #1f2937;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.contact-item div a:hover {
    color: var(--primary-color);
}

.modal-note {
    text-align: center;
    color: #6b7280;
    font-size: 0.9rem;
    line-height: 1.6;
    padding: 2vh 2vw;
    background: linear-gradient(135deg, #f8fafc 0%, #e5e7eb 100%);
    border-radius: 15px;
    border-left: 4px solid var(--primary-color);
}

 
.phone-alert {
    display: none;
    position: fixed;
    z-index: 10001;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.phone-alert-content {
    background: white;
    padding: 5vh 4vw;
    border-radius: 30px;
    max-width: 450px;
    width: 90%;
    text-align: center;
    box-shadow: 
        0 25px 50px -12px rgba(0, 0, 0, 0.25),
        0 0 0 1px rgba(0, 0, 0, 0.05),
        0 0 100px rgba(14, 165, 233, 0.3);
    animation: bounceIn 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    position: relative;
    overflow: hidden;
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.phone-alert-content:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, 
        #0ea5e9 0%, 
        #38bdf8 25%, 
        #0ea5e9 50%, 
        #38bdf8 75%, 
        #0ea5e9 100%);
    background-size: 200% 100%;
    animation: shimmerBar 2s linear infinite;
}

@keyframes shimmerBar {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.phone-alert-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 3vh;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 2s infinite;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    70% {
        box-shadow: 0 0 0 20px rgba(16, 185, 129, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

.phone-alert-icon i {
    font-size: 2.5rem;
    color: white;
}

.phone-alert-content h3 {
    font-size: 1.8rem;
    color: #1f2937;
    margin-bottom: 2vh;
    font-weight: 700;
}

.phone-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    margin: 2vh 0;
    padding: 1.5vh 2vw;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 15px;
    border: 2px dashed var(--primary-color);
    position: relative;
}

.phone-alert-text {
    font-size: 1rem;
    color: #6b7280;
    margin-bottom: 3vh;
    line-height: 1.6;
}

.phone-alert-buttons {
    display: flex;
    justify-content: center;
    margin-top: 3vh;
}

.btn-whatsapp {
    padding: 1.5vh 3vw;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 1vw;
    transition: all 0.3s ease;
    font-size: 1.1rem;
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: white;
    box-shadow: 0 4px 10px rgba(34, 197, 94, 0.3);
}

.btn-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(34, 197, 94, 0.4);
}

.phone-alert-close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 2rem;
    font-weight: 300;
    cursor: pointer;
    color: #6b7280;
    transition: all 0.3s ease;
    z-index: 10;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
}

.phone-alert-close:hover {
    color: #ef4444;
    background: #fee2e2;
    transform: rotate(90deg);
}

 
.footer-signup-disabled {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: #9ca3af !important;
    text-decoration: line-through;
    cursor: not-allowed;
    opacity: 0.6;
    position: relative;
    font-size: 1rem;
}

.footer-signup-disabled:hover {
    color: #9ca3af !important;
}

.footer-signup-disabled:after {
    content: 'Sistem Bakımda';
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    background: #1f2937;
    color: #fbbf24;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.7rem;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.footer-signup-disabled:hover:after {
    opacity: 1;
}

 
@media (max-width: 768px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 95vw;
    }
    
    .pricing-card {
        min-height: auto;
        padding: 3vh 4vw;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-5px);
    }
    
    .nav-container {
        padding: 2vh 4vw;
    }
    
    .nav-links {
        position: fixed;
        top: 10vh;
        left: -100%;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 3vh 4vw;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        transition: left 0.3s ease;
        gap: 3vh;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .mobile-menu-toggle {
        display: block;
        font-size: 1.5rem;
    }
    
    .hero {
        padding: 15vh 4vw 10vh;
    }
    
    .hero-content {
        max-width: 90vw;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 2vh;
    }
    
    .hero-image {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 4vh;
    }
    
    .gallery-grid {
        gap: 4vh;
        max-width: 95vw;
    }
    
    .gallery-item {
        height: 30vh;
        width: 85% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        align-self: center !important;
    }
    
    .gallery-item-1,
    .gallery-item-2,
    .gallery-item-3 {
        align-self: center !important;
        margin: 0 auto !important;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .modal-content {
        max-width: 90vw;
        margin: 5vh auto;
    }
    
    .phone-alert-content {
        max-width: 90vw;
        padding: 4vh 5vw;
    }
    
    .contact-item {
        gap: 15px;
        padding: 2vh 3vw;
    }
    
    .contact-item i {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 4vh;
        text-align: center;
    }
    
    .about-logo {
        order: 1;
        padding: 2vh;
    }
    
    .about-text {
        order: 2;
        padding: 0;
    }
    
    .about-title {
        font-size: 2rem;
        text-align: center;
    }
    
    .about-title::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-features {
        grid-template-columns: 1fr;
        gap: 2vh;
    }
    
    .about-description p {
        text-align: left;
    }
}