/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-black: #000000;
    --primary-white: #ffffff;
    --light-grey: #f5f5f7;
    --medium-grey: #86868b;
    --dark-grey: #1d1d1f;
    --dark-green: #0a2e1a;
    --dark-blue: #0a192f;
    --border-grey: #d2d2d7;
    --accent-blue: #007aff;
    --accent-green: #00a86b;
    --accent-cyan: #00d4ff;
    --gradient-dark: linear-gradient(135deg, #1d1d1f 0%, #000000 100%);
    --gradient-light: linear-gradient(135deg, #f5f5f7 0%, #ffffff 100%);
    --gradient-green: linear-gradient(135deg, #0a2e1a 0%, #1a3d2a 100%);
    --gradient-blue: linear-gradient(135deg, #0a192f 0%, #1e3a5f 100%);
    --gradient-cyan: linear-gradient(135deg, #0a192f 0%, #1a3d5f 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--primary-black);
    background: var(--primary-white);
    font-weight: 400;
    letter-spacing: -0.01em;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-grey);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-new {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-new svg {
    width: 60px;
    height: 30px;
    transition: transform 0.3s ease;
}

.logo-new:hover svg {
    transform: scale(1.05);
}

.nav-logo h2 {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-black);
    margin: 0;
    transition: color 0.3s ease;
}

.btn-outline {
    background: transparent;
    color: var(--primary-black);
    border: 2px solid var(--primary-black);
}

.btn-outline:hover {
    background: var(--primary-black);
    color: var(--primary-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.pricing-card {
    background: white;
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.api-badge {
    background: var(--accent-blue);
    color: var(--primary-white);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--dark-grey);
    font-weight: 400;
    font-size: 14px;
    transition: var(--transition);
    position: relative;
}

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-blue);
    transition: var(--transition);
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--primary-black);
    color: var(--primary-white) !important;
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 500 !important;
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--dark-grey) !important;
    transform: translateY(-1px);
}

.nav-cta::after {
    display: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--primary-black);
    margin: 3px 0;
    transition: var(--transition);
}

/* Language Selector */
.language-selector {
    position: relative;
}

.lang-btn {
    background: transparent;
    border: 1px solid var(--border-grey);
    border-radius: 8px;
    padding: 8px 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    font-size: 14px;
    font-weight: 500;
    color: var(--dark-grey);
}

.lang-btn:hover {
    border-color: var(--primary-black);
    background: var(--light-grey);
}

.lang-current {
    font-weight: 600;
    color: var(--primary-black);
}

.lang-btn svg {
    width: 16px;
    height: 16px;
    transition: var(--transition);
}

.lang-btn.active svg {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--primary-white);
    border: 1px solid var(--border-grey);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1001;
    min-width: 120px;
    overflow: hidden;
}

.lang-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    width: 100%;
    background: transparent;
    border: none;
    padding: 12px 16px;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
    color: var(--dark-grey);
    border-bottom: 1px solid var(--light-grey);
}

.lang-option:last-child {
    border-bottom: none;
}

.lang-option:hover {
    background: var(--light-grey);
    color: var(--primary-black);
}

.lang-option.active {
    background: var(--accent-blue);
    color: var(--primary-white);
}

/* Hero Section */
.hero {
    padding: 120px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f5faff 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(0, 122, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--primary-black);
    overflow: hidden;
}

.hero-tagline {
    font-size: 1.3rem;
    font-weight: 600;
    color: #0D1B2A;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.hero-title span {
    display: inline-block;
    animation: typewriter 2s steps(40, end) forwards;
}

@keyframes typewriter {
    from { width: 0; }
    to { width: 100%; }
}

.hero-subtitle {
    font-size: 20px;
    line-height: 1.6;
    color: var(--medium-grey);
    margin-bottom: 40px;
    font-weight: 400;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-calm {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sleep-dots {
    display: flex;
    gap: 4px;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-blue);
}

.dot:nth-child(2) {
    background: var(--accent-cyan);
}

.dot:nth-child(3) {
    background: var(--accent-green);
}

.logo-modern {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-cube {
    width: 40px;
    height: 40px;
    position: relative;
    transform-style: preserve-3d;
    animation: cubeRotate 8s linear infinite;
}

@keyframes cubeRotate {
    0% { transform: rotateX(0deg) rotateY(0deg); }
    100% { transform: rotateX(360deg) rotateY(360deg); }
}

.cube-face {
    position: absolute;
    width: 40px;
    height: 40px;
}

.nav-logo h2 {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-black);
    margin: 0;
    transition: color 0.3s ease;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

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

.btn-primary:hover {
    background: var(--accent-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--accent-blue);
    color: var(--primary-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.api-visualization {
    width: 400px;
    height: 400px;
    background: var(--gradient-dark);
    border-radius: 20px;
    position: relative;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.data-flow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: pulse 3s ease-in-out infinite;
}

.sleep-metrics {
    position: absolute;
    top: 20px;
    left: 20px;
    right: 20px;
    bottom: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.3; }
    50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.6; }
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-black);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: 18px;
    color: var(--medium-grey);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--primary-white);
}

#business-model {
    background: #1f242a;
    color: #e8ecef;
}

#business-model .section-header h2,
#business-model .section-header p,
#business-model .feature-card p,
#business-model .feature-card h3 {
    color: #e8ecef;
}

#business-model .feature-card {
    background: #28313b;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.3);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.feature-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fbff 100%);
    padding: 40px;
    border-radius: 16px;
    transition: var(--transition);
    border: 1px solid rgba(0, 123, 255, 0.1);
    box-shadow: 0 4px 16px rgba(0, 123, 255, 0.05);
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 40px rgba(0, 123, 255, 0.25);
    border: 1px solid rgba(0, 123, 255, 0.3);
    background: linear-gradient(135deg, #ffffff 0%, #f0f8ff 100%);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-blue);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    position: relative;
    overflow: hidden;
}

.feature-icon::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--accent-cyan), var(--accent-blue));
    border-radius: 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.feature-icon:hover::before {
    opacity: 1;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    color: white;
    z-index: 1;
    position: relative;
    transition: transform 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.feature-icon:hover svg {
    transform: rotate(360deg) scale(1.1);
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-black);
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--medium-grey);
    line-height: 1.6;
}

/* Integration Section */
.integration {
    padding: 100px 0;
    background: linear-gradient(135deg, #f0f8ff 0%, #ffffff 100%);
}

.integration-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.integration-code {
    background: var(--gradient-blue);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.code-language {
    color: var(--primary-white);
    font-size: 14px;
    font-weight: 500;
}

.copy-btn {
    background: rgba(255, 255, 255, 0.2);
    color: var(--primary-white);
    border: none;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: var(--transition);
}

.copy-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.integration-code pre {
    padding: 24px;
    overflow-x: auto;
    margin: 0;
}

.integration-code code {
    color: var(--primary-white);
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 14px;
    line-height: 1.5;
}

.integration-features h3 {
    font-size: 32px;
    font-weight: 600;
    color: var(--primary-black);
    margin-bottom: 24px;
}

.integration-features ul {
    list-style: none;
}

.integration-features li {
    padding: 12px 0;
    color: var(--dark-grey);
    position: relative;
    padding-left: 24px;
}

.integration-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-blue);
    font-weight: 600;
}

/* Pricing Section Hidden */
#pricing {
    display: none !important;
}

.nav-menu a[href="#pricing"],
.footer-column a[href="#pricing"] {
    display: none !important;
}

.pricing {
    display: none !important;
}

.pricing-card {
    background: linear-gradient(135deg, #ffffff 0%, #fafdff 100%);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    border: 2px solid rgba(0, 123, 255, 0.1);
    transition: var(--transition);
    position: relative;
    box-shadow: 0 4px 16px rgba(0, 123, 255, 0.05);
}

.pricing-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 40px rgba(0, 123, 255, 0.2);
    border: 1px solid rgba(0, 123, 255, 0.3);
}

.pricing-card.featured {
    border-color: var(--accent-blue);
    background: var(--primary-white);
    transform: scale(1.05);
}

.pricing-header {
    margin-bottom: 32px;
}

.popular-badge {
    background: var(--accent-blue);
    color: var(--primary-white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
}

.pricing-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-black);
    margin-bottom: 16px;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.currency {
    font-size: 20px;
    font-weight: 500;
    color: var(--medium-grey);
}

.amount {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-black);
}

.period {
    font-size: 16px;
    color: var(--medium-grey);
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 12px 0;
    color: var(--dark-grey);
    border-bottom: 1px solid var(--border-grey);
}

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

/* Documentation Section */
.documentation {
    padding: 100px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f5faff 100%);
    position: relative;
}

.documentation::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(0, 255, 136, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.documentation > * {
    position: relative;
    z-index: 1;
}

.doc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.feature-card {
    background: white;
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1), border 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    transition: left 0.6s ease;
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 40px rgba(10, 25, 47, 0.15);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.doc-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-black);
    margin-bottom: 12px;
}

.doc-card p {
    color: var(--medium-grey);
    margin-bottom: 16px;
}

.doc-link {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.doc-link:hover {
    color: var(--primary-black);
}

/* Contact Section */
.contact-footer-wrapper {
    background: #252525;
    color: #f5f5f5;
}

.contact {
    padding: 100px 0;
    background: transparent;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.contact-item h3 {
    font-size: 20px;
    font-weight: 600;
    color: #f5f5f5;
    margin-bottom: 8px;
}

.contact-item p {
    color: #c7c7c7;
    margin-bottom: 4px;
}

.contact-form {
    background: #ebe9e0;
    padding: 40px;
    border-radius: 16px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.14);
}

.form-group {
    margin-bottom: 24px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px;
    border: 1px solid rgba(0, 0, 0, 0.12);
    border-radius: 8px;
    background: #f5f2e8;
    color: #1f242b;
    font-size: 16px;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #9ea5ab;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4d82d9;
    box-shadow: 0 0 0 3px rgba(77, 130, 217, 0.15);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Footer */
.footer {
    background: transparent;
    color: #f5f5f5;
    padding: 60px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #f5f5f5;
}

.footer-brand p {
    color: #c7c7c7;
    max-width: 300px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #f5f5f5;
}

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

.footer-column li {
    margin-bottom: 8px;
}

.footer-column a {
    color: #c7c7c7;
    text-decoration: none;
    transition: var(--transition);
    font-size: 14px;
}

.footer-column a:hover {
    color: #ffffff;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    color: var(--medium-grey);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .api-visualization {
        width: 300px;
        height: 300px;
    }
    
    .integration-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .section-header h2 {
        font-size: 36px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .doc-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .nav-container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
    
    .feature-card,
    .pricing-card,
    .doc-card,
    .contact-form {
        padding: 24px;
    }
    
    .section-header {
        margin-bottom: 48px;
    }
    
    .features,
    .integration,
    .pricing,
    .documentation,
    .contact {
        padding: 60px 0;
    }
}

/* Hero Image */
.hero-image {
    max-width: 500px;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.25);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1), filter 0.4s ease;
    animation: float 6s ease-in-out infinite;
}

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

.hero-image:hover {
    transform: scale(1.05) translateY(-5px);
    box-shadow: 0 35px 100px rgba(0, 0, 0, 0.35);
    filter: brightness(1.05) contrast(1.02);
    animation-play-state: paused;
}

@media (max-width: 768px) {
    .hero-image {
        max-width: 350px;
    }
    
    .hero-image:hover {
        transform: scale(1.02) translateY(-2px);
    }
}