@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

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

body {
    font-family: 'Inter', 'Segoe UI', 'Roboto', sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    overflow-x: hidden;
    font-weight: 400;
    letter-spacing: -0.01em;
}

/* Elite Animated Background */
.sky-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(15, 23, 42, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(30, 41, 59, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(51, 65, 85, 0.02) 0%, transparent 50%),
        linear-gradient(135deg, 
            #f8fafc 0%, 
            #f1f5f9 25%, 
            #e2e8f0 50%, 
            #cbd5e1 75%, 
            #94a3b8 100%
        );
    background-size: 100% 100%, 100% 100%, 100% 100%, 100% 100%;
    -webkit-animation: gradientShift 20s ease infinite;
    -moz-animation: gradientShift 20s ease infinite;
    animation: gradientShift 20s ease infinite;
    z-index: -2;
}

/* Floating Geometric Shapes */
.sky-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 25% 25%, #ffffff10 2px, transparent 2px),
        radial-gradient(circle at 75% 75%, #ffffff08 1px, transparent 1px);
    background-size: 60px 60px, 40px 40px;
    animation: sparkle 20s linear infinite;
}

.sky-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.05) 50%, transparent 70%),
        linear-gradient(-45deg, transparent 30%, rgba(255,255,255,0.03) 50%, transparent 70%);
    background-size: 100px 100px, 80px 80px;
    animation: shimmer 8s ease-in-out infinite;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 0%, 0% 0%, 0% 0%, 0% 50%;
    }
    25% {
        background-position: 100% 100%, 0% 0%, 50% 50%, 25% 75%;
    }
    50% {
        background-position: 50% 50%, 100% 100%, 100% 0%, 50% 100%;
    }
    75% {
        background-position: 0% 100%, 50% 50%, 0% 100%, 75% 25%;
    }
    100% {
        background-position: 0% 0%, 0% 0%, 0% 0%, 0% 50%;
    }
}

@keyframes sparkle {
    0% {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.1) rotate(180deg);
    }
    100% {
        opacity: 1;
        transform: scale(1) rotate(360deg);
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100px) translateY(-100px);
        opacity: 0;
    }
    50% {
        transform: translateX(100px) translateY(100px);
        opacity: 1;
    }
    100% {
        transform: translateX(-100px) translateY(-100px);
        opacity: 0;
    }
}

/* Elite 3D Floating Elements */
.cloud {
    position: absolute;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.05));
    border-radius: 50%;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: float3D 25s infinite ease-in-out;
    box-shadow: 
        0 8px 32px rgba(255, 255, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transform-style: preserve-3d;
}

.cloud::before,
.cloud::after {
    content: '';
    position: absolute;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.03));
    border-radius: 50%;
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 16px rgba(255, 255, 255, 0.1);
}

.cloud1 {
    width: 140px;
    height: 60px;
    top: 15%;
    left: -140px;
    animation-duration: 35s;
    animation-delay: 0s;
}

.cloud1::before {
    width: 70px;
    height: 70px;
    top: -35px;
    left: 20px;
}

.cloud1::after {
    width: 80px;
    height: 60px;
    top: -25px;
    right: 15px;
}

.cloud2 {
    width: 120px;
    height: 50px;
    top: 35%;
    left: -120px;
    animation-duration: 40s;
    animation-delay: -8s;
}

.cloud2::before {
    width: 60px;
    height: 60px;
    top: -30px;
    left: 25px;
}

.cloud2::after {
    width: 70px;
    height: 50px;
    top: -20px;
    right: 20px;
}

.cloud3 {
    width: 160px;
    height: 70px;
    top: 55%;
    left: -160px;
    animation-duration: 45s;
    animation-delay: -15s;
}

.cloud3::before {
    width: 80px;
    height: 80px;
    top: -40px;
    left: 30px;
}

.cloud3::after {
    width: 90px;
    height: 70px;
    top: -30px;
    right: 25px;
}

.cloud4 {
    width: 110px;
    height: 45px;
    top: 25%;
    left: -110px;
    animation-duration: 38s;
    animation-delay: -20s;
}

.cloud4::before {
    width: 55px;
    height: 55px;
    top: -27px;
    left: 20px;
}

.cloud4::after {
    width: 65px;
    height: 45px;
    top: -18px;
    right: 18px;
}

.cloud5 {
    width: 130px;
    height: 55px;
    top: 70%;
    left: -130px;
    animation-duration: 42s;
    animation-delay: -25s;
}

.cloud5::before {
    width: 65px;
    height: 65px;
    top: -32px;
    left: 25px;
}

.cloud5::after {
    width: 75px;
    height: 55px;
    top: -22px;
    right: 22px;
}

.cloud6 {
    width: 100px;
    height: 40px;
    top: 45%;
    left: -100px;
    animation-duration: 33s;
    animation-delay: -12s;
}

.cloud6::before {
    width: 50px;
    height: 50px;
    top: -25px;
    left: 18px;
}

.cloud6::after {
    width: 60px;
    height: 40px;
    top: -15px;
    right: 15px;
}

/* Geometric Shapes Animation */
.geometric-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}

.shape {
    position: absolute;
    background: linear-gradient(45deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    animation: shapeFloat 20s infinite ease-in-out;
}

.shape-1 {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
    transform: rotate(45deg);
}

.shape-2 {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    top: 60%;
    right: 15%;
    animation-delay: -5s;
}

.shape-3 {
    width: 100px;
    height: 100px;
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
    top: 40%;
    left: 80%;
    animation-delay: -10s;
}

.shape-4 {
    width: 70px;
    height: 70px;
    border-radius: 15px;
    top: 80%;
    left: 30%;
    animation-delay: -15s;
    transform: rotate(-30deg);
}

@keyframes shapeFloat {
    0% {
        transform: translateY(0px) rotate(0deg) scale(1);
        opacity: 0.3;
    }
    25% {
        transform: translateY(-30px) rotate(90deg) scale(1.1);
        opacity: 0.6;
    }
    50% {
        transform: translateY(-60px) rotate(180deg) scale(0.9);
        opacity: 0.8;
    }
    75% {
        transform: translateY(-30px) rotate(270deg) scale(1.05);
        opacity: 0.5;
    }
    100% {
        transform: translateY(0px) rotate(360deg) scale(1);
        opacity: 0.3;
    }
}

@keyframes float3D {
    0% {
        transform: translateX(-200px) translateY(0px) translateZ(0px) rotateY(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.8;
    }
    25% {
        transform: translateX(25vw) translateY(-20px) translateZ(50px) rotateY(90deg);
    }
    50% {
        transform: translateX(50vw) translateY(10px) translateZ(-30px) rotateY(180deg);
    }
    75% {
        transform: translateX(75vw) translateY(-15px) translateZ(40px) rotateY(270deg);
    }
    90% {
        opacity: 0.8;
    }
    100% {
        transform: translateX(calc(100vw + 200px)) translateY(0px) translateZ(0px) rotateY(360deg);
        opacity: 0;
    }
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) translateX(0px) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
        transform: translateY(90vh) translateX(10px) scale(1);
    }
    90% {
        opacity: 1;
        transform: translateY(10vh) translateX(-10px) scale(1);
    }
    100% {
        transform: translateY(-10vh) translateX(0px) scale(0);
        opacity: 0;
    }
}

/* Enhanced Hero Section with Glass Morphism */
.hero-section {
    position: relative;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
    pointer-events: none;
    z-index: 1;
}

/* Enhanced Hero Content */
.hero-content {
    position: relative;
    z-index: 10;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    border-radius: 30px;
    padding: 3rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* Additional floating particles */
.floating-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}

.particle {
    position: absolute;
    background: radial-gradient(circle, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0.2) 50%, transparent 100%);
    border-radius: 50%;
    animation: particleFloat 15s infinite linear;
    pointer-events: none;
}

/* Professional Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 1.5rem 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo h2 {
    color: #000000;
    font-size: 1.9rem;
    font-weight: 800;
    letter-spacing: -0.8px;
    text-shadow: none;
    font-family: 'Inter', sans-serif;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-menu a {
    text-decoration: none;
    color: #1e293b;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    position: relative;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    letter-spacing: -0.01em;
}

.nav-menu a:hover {
    color: #000000;
    background: rgba(0, 0, 0, 0.04);
    transform: none;
}

.nav-menu a::after {
    display: none;
}

/* Main Content */
.main-content {
    position: relative;
    z-index: 1;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 100px 2rem 2rem;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 4rem;
    max-width: 1400px;
    width: 100%;
    z-index: 10;
    position: relative;
}

.hero-text {
    flex: 1;
    text-align: left;
}

.hero-image-right {
    flex: 0 0 400px;
    height: 600px;
    position: relative;
}

.hivda-main-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 25px 60px rgba(21, 101, 192, 0.3);
    border: 6px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(15px);
    transition: all 0.3s ease;
}

.hivda-main-image:hover {
    transform: scale(1.02);
    box-shadow: 0 30px 80px rgba(21, 101, 192, 0.4);
}

.hero-text h1 {
    font-size: 4rem;
    color: #000000;
    margin-bottom: 1.5rem;
    text-shadow: none;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -2px;
    font-family: 'Inter', sans-serif;
}

.hero-text p {
    font-size: 1.25rem;
    color: #475569;
    margin-bottom: 2.5rem;
    font-weight: 400;
    line-height: 1.7;
    max-width: 520px;
    letter-spacing: -0.01em;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: flex-start;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.cta-button {
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.cta-button.primary {
    background: #000000;
    color: white;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
    border: none;
}

.cta-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    background: #1a1a1a;
}

.cta-button.secondary {
    background: rgba(255, 255, 255, 0.95);
    color: #000000;
    border: 2px solid #e2e8f0;
    backdrop-filter: blur(10px);
}

.cta-button.secondary:hover {
    background: #f8fafc;
    color: #000000;
    border-color: #cbd5e1;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.social-proof {
    color: #666;
    font-style: italic;
}


/* Sections */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 100px 0;
    background: rgba(255, 255, 255, 0.7);
    margin: 3rem 0;
    border-radius: 24px;
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.8);
}

section h2 {
    text-align: center;
    font-size: 2.75rem;
    color: #000000;
    margin-bottom: 3rem;
    font-weight: 800;
    letter-spacing: -1.5px;
    font-family: 'Inter', sans-serif;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text h3 {
    font-size: 2.25rem;
    color: #000000;
    margin-bottom: 1rem;
    font-weight: 700;
    letter-spacing: -1px;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.credentials {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.credential-item {
    text-align: center;
    padding: 1rem;
    background: rgba(44, 90, 160, 0.1);
    border-radius: 10px;
}

.credential-item h4 {
    color: #000000;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.about-image {
    width: 100%;
    height: 300px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(21, 101, 192, 0.2);
}

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

.profile-image:hover {
    transform: scale(1.05);
}

/* Enhanced Services Section */
.services-intro {
    text-align: center;
    margin-bottom: 4rem;
}

.services-intro p {
    font-size: 1.2rem;
    color: #546E7A;
    max-width: 600px;
    margin: 0 auto;
}

/* Service Tiers */
.service-tiers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.tier-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(21, 101, 192, 0.1);
    text-align: center;
    position: relative;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.tier-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(21, 101, 192, 0.2);
}

.tier-card.platinum {
    border-color: #FFD700;
    background: linear-gradient(135deg, #FFF9C4 0%, #FFFFFF 100%);
}

.tier-card.gold {
    border-color: #FF9800;
    background: linear-gradient(135deg, #FFF3E0 0%, #FFFFFF 100%);
}

.tier-card.silver {
    border-color: #9E9E9E;
    background: linear-gradient(135deg, #F5F5F5 0%, #FFFFFF 100%);
}

.tier-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

.platinum .tier-badge {
    background: linear-gradient(135deg, #FFD700, #FFA000);
    color: #1565C0;
}

.gold .tier-badge {
    background: linear-gradient(135deg, #FF9800, #F57C00);
    color: white;
}

.silver .tier-badge {
    background: linear-gradient(135deg, #9E9E9E, #616161);
    color: white;
}

.tier-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1565C0;
    margin: 1rem 0;
}

.tier-features {
    list-style: none;
    text-align: left;
    margin: 2rem 0;
}

.tier-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(21, 101, 192, 0.1);
    position: relative;
    padding-left: 1.5rem;
}

.tier-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4CAF50;
    font-weight: bold;
}

.tier-button {
    background: linear-gradient(135deg, #1565C0, #42A5F5);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.tier-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(21, 101, 192, 0.3);
}

/* Main Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-bottom: 4rem;
}

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(21, 101, 192, 0.1);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(66, 165, 245, 0.1);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #1565C0, #42A5F5);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(21, 101, 192, 0.2);
}

.service-card .service-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 4px 8px rgba(21, 101, 192, 0.2));
}

.service-card h3 {
    color: #000000;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.service-card p {
    color: #546E7A;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin: 1.5rem 0;
}

.feature-tag {
    background: rgba(0, 0, 0, 0.05);
    color: #1e293b;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.service-pricing {
    font-weight: 700;
    color: #000000;
    font-size: 1.1rem;
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.03);
    border-radius: 10px;
    border: 1px solid rgba(0, 0, 0, 0.08);
}

/* Partnerships Section */
.partnerships-section {
    background: linear-gradient(135deg, rgba(66, 165, 245, 0.05), rgba(21, 101, 192, 0.05));
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    margin-top: 3rem;
}

.partnerships-section h3 {
    color: #1565C0;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.partnerships-section p {
    color: #546E7A;
    font-size: 1.1rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.partnership-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.benefit-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(21, 101, 192, 0.1);
    transition: transform 0.3s ease;
}

.benefit-item:hover {
    transform: translateY(-5px);
}

.benefit-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.benefit-item h4 {
    color: #1565C0;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.benefit-item p {
    color: #546E7A;
    font-size: 0.95rem;
    margin: 0;
}

/* Partner Banks Section */
.partner-banks {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    margin: 2rem 0 3rem 0;
    flex-wrap: wrap;
}

.bank-logo {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(21, 101, 192, 0.1);
    transition: all 0.3s ease;
    border: 2px solid rgba(66, 165, 245, 0.1);
}

.bank-logo:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(21, 101, 192, 0.2);
    border-color: rgba(66, 165, 245, 0.3);
}

.bank-img {
    height: 60px;
    width: auto;
    object-fit: contain;
    filter: grayscale(20%);
    transition: all 0.3s ease;
}

.bank-img:hover {
    filter: grayscale(0%);
    transform: scale(1.1);
}

/* Certificates Section */
.certificates-section {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.05), rgba(255, 193, 7, 0.05));
}

.certificates-intro {
    text-align: center;
    margin-bottom: 4rem;
}

.certificates-intro p {
    font-size: 1.2rem;
    color: #546E7A;
    max-width: 600px;
    margin: 0 auto;
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
    justify-items: center;
    align-items: start;
}

.certificate-card {
    background: white;
    border-radius: 25px;
    overflow: hidden;
    box-shadow: 0 15px 50px rgba(255, 193, 7, 0.12);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 3px solid rgba(255, 215, 0, 0.15);
    position: relative;
    width: 100%;
    max-width: 450px;
    margin: 0 auto;
}

.certificate-card.featured {
    border: 3px solid rgba(255, 215, 0, 0.4);
    background: linear-gradient(145deg, #ffffff 0%, #fffef7 100%);
}

.certificate-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 25px 70px rgba(255, 193, 7, 0.25);
    border-color: rgba(255, 215, 0, 0.6);
}

.certificate-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    z-index: 10;
    background: linear-gradient(135deg, #FFD700, #FFA000);
    color: #1565C0;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-weight: 800;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    box-shadow: 0 8px 25px rgba(255, 193, 7, 0.4);
    border: 2px solid white;
}

.certificate-badge.honors {
    background: linear-gradient(135deg, #FFD700, #FF8F00);
    animation: honorsPulse 2s ease-in-out infinite;
}

@keyframes honorsPulse {
    0% { transform: scale(1); box-shadow: 0 8px 25px rgba(255, 193, 7, 0.4); }
    50% { transform: scale(1.05); box-shadow: 0 12px 35px rgba(255, 193, 7, 0.6); }
    100% { transform: scale(1); box-shadow: 0 8px 25px rgba(255, 193, 7, 0.4); }
}

.badge-icon {
    font-size: 1.2rem;
    margin-right: 0.5rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.badge-text {
    font-weight: 900;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.certificate-image {
    height: 280px;
    overflow: hidden;
    position: relative;
    background: linear-gradient(145deg, #FFD700, #FFA000);
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid rgba(255, 215, 0, 0.2);
}

.certificate-img {
    width: 85%;
    height: 85%;
    object-fit: contain;
    border-radius: 15px;
    background: white;
    padding: 15px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    transition: all 0.4s ease;
    border: 2px solid rgba(255, 215, 0, 0.3);
}

.certificate-img:hover {
    transform: scale(1.08) rotate(1deg);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.certificate-info {
    padding: 2.5rem;
    text-align: center;
    position: relative;
}

.university-logo {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1565C0, #42A5F5);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem auto;
    box-shadow: 0 8px 25px rgba(21, 101, 192, 0.3);
    border: 3px solid white;
    position: relative;
    z-index: 5;
}

.university-logo.columbia {
    background: linear-gradient(135deg, #0066CC, #004499);
}

.university-initial {
    color: white;
    font-size: 1.8rem;
    font-weight: 900;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.certificate-info h3 {
    color: #000000;
    font-size: 1.7rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    line-height: 1.3;
    letter-spacing: -0.5px;
}

.university-name {
    color: #37474F;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.certificate-details {
    margin: 1.5rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.detail-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    background: rgba(21, 101, 192, 0.05);
    padding: 0.8rem 1.2rem;
    border-radius: 15px;
    border: 1px solid rgba(21, 101, 192, 0.1);
}

.detail-icon {
    font-size: 1.2rem;
    filter: drop-shadow(0 2px 4px rgba(21, 101, 192, 0.2));
}

.professor, .platform {
    font-weight: 600;
    color: #37474F;
    font-size: 0.95rem;
}

.certificate-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    justify-content: center;
    margin-top: 1.5rem;
}

.topic-tag {
    background: rgba(66, 165, 245, 0.1);
    color: #1565C0;
    padding: 0.6rem 1.2rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 2px solid rgba(66, 165, 245, 0.2);
    transition: all 0.3s ease;
}

.topic-tag:hover {
    background: rgba(66, 165, 245, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(66, 165, 245, 0.3);
}

.topic-tag.premium {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.15), rgba(255, 193, 7, 0.15));
    color: #FF8F00;
    border-color: rgba(255, 193, 7, 0.3);
    font-weight: 700;
}

.topic-tag.premium:hover {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.25), rgba(255, 193, 7, 0.25));
    border-color: rgba(255, 193, 7, 0.5);
    box-shadow: 0 4px 15px rgba(255, 193, 7, 0.4);
}

/* Appointment Section */
.appointment-section {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.05), rgba(139, 195, 74, 0.05));
}

.appointment-intro {
    text-align: center;
    margin-bottom: 4rem;
}

.appointment-intro p {
    font-size: 1.2rem;
    color: #546E7A;
    max-width: 600px;
    margin: 0 auto;
}

.appointment-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.appointment-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(76, 175, 80, 0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
}

.appointment-card.featured {
    border-color: #4CAF50;
    transform: scale(1.05);
}

.appointment-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(76, 175, 80, 0.2);
}

.appointment-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #4CAF50, #8BC34A);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

.appointment-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.appointment-card h3 {
    color: #000000;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.appointment-card p {
    color: #546E7A;
    margin-bottom: 1.5rem;
}

.appointment-price {
    font-size: 2rem;
    font-weight: bold;
    color: #4CAF50;
    margin-bottom: 1.5rem;
}

.appointment-btn {
    background: linear-gradient(135deg, #4CAF50, #8BC34A);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    font-size: 1rem;
}

.appointment-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(76, 175, 80, 0.3);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: white;
    margin: 2% auto;
    padding: 0;
    border-radius: 20px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
    background: linear-gradient(135deg, #1565C0, #42A5F5);
    color: white;
    padding: 1.5rem 2rem;
    border-radius: 20px 20px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.5rem;
}

.close {
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.close:hover {
    opacity: 0.7;
}

.modal-body {
    padding: 2rem;
}

.booking-step {
    display: none;
}

.booking-step.active {
    display: block;
}

.service-options {
    display: grid;
    gap: 1rem;
    margin-bottom: 2rem;
}

.service-option {
    border: 2px solid #E0E0E0;
    border-radius: 15px;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.service-option:hover,
.service-option.selected {
    border-color: #1565C0;
    background: rgba(21, 101, 192, 0.05);
}

.service-option h4 {
    color: #1565C0;
    margin-bottom: 0.5rem;
}

.service-option p {
    color: #546E7A;
    margin-bottom: 1rem;
}

.service-option .price {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: #1565C0;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: bold;
}

.question-group,
.form-group {
    margin-bottom: 1.5rem;
}

.question-group label,
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #37474F;
}

.question-group select,
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #E0E0E0;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.question-group select:focus,
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1565C0;
}

.step-buttons {
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    margin-top: 2rem;
}

.prev-btn,
.next-btn,
.complete-btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.prev-btn {
    background: #E0E0E0;
    color: #37474F;
}

.prev-btn:hover {
    background: #BDBDBD;
}

.next-btn,
.complete-btn {
    background: linear-gradient(135deg, #1565C0, #42A5F5);
    color: white;
    flex: 1;
}

.next-btn:hover,
.complete-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(21, 101, 192, 0.3);
}

.payment-summary {
    background: rgba(21, 101, 192, 0.05);
    padding: 1.5rem;
    border-radius: 15px;
    margin-bottom: 2rem;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.payment-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.payment-option {
    border: 2px solid #E0E0E0;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: white;
}

.payment-option:hover {
    border-color: #1565C0;
    background: rgba(21, 101, 192, 0.05);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(21, 101, 192, 0.15);
}

.payment-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.payment-option h4 {
    color: #1565C0;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.payment-option p {
    color: #546E7A;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.payment-btn {
    background: linear-gradient(135deg, #1565C0, #42A5F5);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.payment-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(21, 101, 192, 0.3);
}

.payment-form {
    background: rgba(21, 101, 192, 0.05);
    padding: 2rem;
    border-radius: 15px;
    margin-bottom: 2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1rem;
}

.payment-info {
    background: rgba(21, 101, 192, 0.05);
    padding: 2rem;
    border-radius: 15px;
    margin-bottom: 2rem;
}

.bank-details, .crypto-details, .later-details {
    text-align: center;
}

.bank-info, .crypto-options {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    margin: 1rem 0;
    border: 1px solid rgba(21, 101, 192, 0.1);
}

.bank-info p, .crypto-option p {
    margin: 0.5rem 0;
    font-family: monospace;
    background: rgba(21, 101, 192, 0.1);
    padding: 0.5rem;
    border-radius: 5px;
}

.crypto-option {
    margin-bottom: 1rem;
    padding: 1rem;
    background: rgba(255, 193, 7, 0.1);
    border-radius: 8px;
}

.transfer-note, .crypto-note, .later-note {
    background: rgba(76, 175, 80, 0.1);
    padding: 1rem;
    border-radius: 10px;
    margin-top: 1rem;
    border-left: 4px solid #4CAF50;
}

.transfer-note p, .crypto-note p, .later-note p {
    margin: 0.5rem 0;
    color: #2E7D32;
    font-weight: 600;
}

/* Features Section */
.features-section {
    background: linear-gradient(135deg, rgba(21, 101, 192, 0.02), rgba(66, 165, 245, 0.02));
}

.features-intro {
    text-align: center;
    margin-bottom: 4rem;
}

.features-intro p {
    font-size: 1.2rem;
    color: #546E7A;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(21, 101, 192, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(66, 165, 245, 0.1);
    position: relative;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(21, 101, 192, 0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
    filter: drop-shadow(0 4px 8px rgba(21, 101, 192, 0.2));
}

.feature-card h3 {
    color: #000000;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.feature-card p {
    color: #546E7A;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.feature-list li {
    padding: 0.5rem 0;
    color: #37474F;
    position: relative;
    padding-left: 1.5rem;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4CAF50;
    font-weight: bold;
}

/* Financial Calculators Section */
.calculators-section {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.03), rgba(139, 195, 74, 0.03));
}

.calculators-intro {
    text-align: center;
    margin-bottom: 3rem;
}

.calculators-intro p {
    font-size: 1.2rem;
    color: #546E7A;
    max-width: 600px;
    margin: 0 auto;
}

.calculator-categories {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.calc-category-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid rgba(76, 175, 80, 0.3);
    background: white;
    color: #4CAF50;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.calc-category-btn:hover,
.calc-category-btn.active {
    background: #4CAF50;
    color: white;
    border-color: #4CAF50;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}

.calculator-container {
    display: none;
}

.calculator-container.active {
    display: block;
}

.calculator-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.calculator-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(76, 175, 80, 0.1);
    border: 1px solid rgba(76, 175, 80, 0.1);
}

.calculator-card h3 {
    color: #000000;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.calculator-card p {
    color: #546E7A;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.calculator-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.form-row:has(.form-group:only-child) {
    grid-template-columns: 1fr;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: #37474F;
    font-size: 0.95rem;
}

.form-group input,
.form-group select {
    padding: 1rem;
    border: 2px solid #E0E0E0;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #4CAF50;
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

.calculator-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.calc-btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    flex: 1;
}

.calc-btn.primary {
    background: linear-gradient(135deg, #4CAF50, #8BC34A);
    color: white;
}

.calc-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(76, 175, 80, 0.3);
}

.calc-btn.secondary {
    background: rgba(76, 175, 80, 0.1);
    color: #4CAF50;
    border: 2px solid rgba(76, 175, 80, 0.3);
}

.calc-btn.secondary:hover {
    background: rgba(76, 175, 80, 0.2);
    border-color: rgba(76, 175, 80, 0.5);
}

.calculation-result {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.05), rgba(139, 195, 74, 0.05));
    padding: 2rem;
    border-radius: 15px;
    margin-top: 2rem;
    border: 1px solid rgba(76, 175, 80, 0.2);
}

.calculation-result h4 {
    color: #4CAF50;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: center;
}

.result-grid {
    display: grid;
    gap: 1rem;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: white;
    border-radius: 10px;
    border: 1px solid rgba(76, 175, 80, 0.1);
}

.result-item.highlight {
    background: linear-gradient(135deg, #4CAF50, #8BC34A);
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
}

.result-label {
    font-weight: 600;
    color: #37474F;
}

.result-item.highlight .result-label {
    color: white;
}

.result-value {
    font-weight: 700;
    font-size: 1.1rem;
    color: #4CAF50;
}

.result-item.highlight .result-value {
    color: white;
}

.result-breakdown {
    margin-top: 1rem;
    padding: 1rem;
    background: white;
    border-radius: 10px;
    border: 1px solid rgba(76, 175, 80, 0.1);
}

.calculator-info {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(76, 175, 80, 0.1);
    border: 1px solid rgba(76, 175, 80, 0.1);
    height: fit-content;
    position: sticky;
    top: 2rem;
}

.calculator-info h4 {
    color: #4CAF50;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-section {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(76, 175, 80, 0.1);
}

.info-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.info-section h5 {
    color: #000000;
    font-weight: 600;
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
}

.info-section p {
    color: #546E7A;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.formula {
    background: rgba(76, 175, 80, 0.1);
    padding: 1rem;
    border-radius: 8px;
    margin: 0.8rem 0;
    border-left: 4px solid #4CAF50;
    font-family: 'Courier New', monospace;
}

.example {
    background: rgba(33, 150, 243, 0.1);
    padding: 1rem;
    border-radius: 8px;
    margin: 0.8rem 0;
    border-left: 4px solid #2196F3;
    font-style: italic;
}

/* Additional Calculator Styles */
.calculator-container h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.result-item {
    transition: all 0.3s ease;
}

.result-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.2);
}

.calculator-form input[type="number"]::-webkit-outer-spin-button,
.calculator-form input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.calculator-form input[type="number"] {
    -moz-appearance: textfield;
}

/* Loading animation for calculations */
.calc-btn.calculating {
    position: relative;
    color: transparent;
}

.calc-btn.calculating::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid transparent;
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Enhanced result animations */
.calculation-result {
    animation: slideInUp 0.5s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .calculator-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .calculator-buttons {
        flex-direction: column;
    }
    
    .calculator-info {
        position: static;
    }
    
    .calc-category-btn {
        font-size: 0.9rem;
        padding: 0.6rem 1.2rem;
    }
    
    .calculator-categories {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }
    
    .calculator-categories::-webkit-scrollbar {
        height: 4px;
    }
    
    .calculator-categories::-webkit-scrollbar-track {
        background: #f1f1f1;
        border-radius: 10px;
    }
    
    .calculator-categories::-webkit-scrollbar-thumb {
        background: #4CAF50;
        border-radius: 10px;
    }
}

@media (max-width: 480px) {
    .calculator-card {
        padding: 1.5rem;
    }
    
    .calculator-info {
        padding: 1.5rem;
    }
    
    .calculation-result {
        padding: 1.5rem;
    }
    
    .calculator-card h3 {
        font-size: 1.5rem;
    }
    
    .result-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .calc-category-btn {
        white-space: nowrap;
        flex-shrink: 0;
    }
}


/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-methods {
    margin-top: 2rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.contact-method .icon {
    font-size: 1.5rem;
}

.contact-form form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 1rem;
    border: 2px solid #ddd;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #2c5aa0;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #1e293b 0%, #334155 50%, #475569 100%);
    color: #f8fafc;
    padding: 3rem 0 1rem;
    margin-top: 2rem;
    border-top: 1px solid rgba(148, 163, 184, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

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

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #e2e8f0;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-section a:hover {
    color: #cbd5e1;
    transform: translateX(2px);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(148, 163, 184, 0.2);
    color: #cbd5e1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-text {
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .hero-image-right {
        flex: none;
        width: 100%;
        height: 400px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .rotating-platform {
        width: 300px;
        height: 300px;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .credentials {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .rotating-platform {
        width: 250px;
        height: 250px;
    }
    
    .platform-element {
        width: 60px;
        height: 60px;
    }
    
    .platform-element .service-icon {
        font-size: 1.2rem;
    }
    
    .platform-element span {
        font-size: 0.6rem;
    }
}