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

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --border-color: #e2e8f0;
    --gradient-start: #6366f1;
    --gradient-end: #8b5cf6;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-secondary);
}

/* Scroll Progress Indicator */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    z-index: 9999;
    transition: width 0.1s ease-out;
}

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

/* Hero Section */
.hero {
    min-height: 35vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    padding: 0 20px;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(139, 92, 246, 0.15) 0%, transparent 50%);
    animation: heroGlow 20s ease-in-out infinite;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
}

@keyframes heroGlow {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
        opacity: 1;
    }
    50% {
        transform: translate(-10%, -10%) rotate(180deg);
        opacity: 0.8;
    }
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 1;
}

.name {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    animation: fadeInUp 0.8s ease-out;
}

.name .logo {
    display: block;
    margin: 0 auto;
    height: 100px;
    width: auto;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.15));
    transition: transform 0.3s ease;
}

.name .logo:hover {
    transform: scale(1.05);
}

.title {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1rem;
    opacity: 0.95;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.tagline {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.btn {
    padding: 0.875rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: white;
    color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-3px) scale(1.02);
    border-color: white;
    box-shadow: 0 8px 20px rgba(255, 255, 255, 0.3);
}

/* Sections */
.section {
    padding: 6rem 0;
    background: var(--bg-primary);
    margin: 0 -20px;
    padding-left: 20px;
    padding-right: 20px;
    transition: background 0.3s ease;
    position: relative;
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 1px 1px, rgba(99, 102, 241, 0.03) 1px, transparent 0);
    background-size: 40px 40px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.section:nth-child(even) {
    background: var(--bg-secondary);
}

.section:nth-child(even)::before {
    opacity: 1;
}

.section h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--text-primary);
    position: relative;
}

.section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    border-radius: 2px;
}

/* About Section */
.about-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.about-content p {
    margin-bottom: 1.5rem;
}

/* Founder Section */
.founder-section {
    background: var(--bg-primary);
}

.founder-content {
    max-width: 900px;
    margin: 0 auto;
}

.founder-card {
    background: var(--bg-secondary);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05), 0 10px 20px rgba(0, 0, 0, 0.05);
    border-left: 4px solid var(--primary-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.founder-card::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.founder-card:hover::before {
    width: 400px;
    height: 400px;
}

.founder-card:hover {
    box-shadow: 0 12px 24px rgba(99, 102, 241, 0.15), 0 24px 48px rgba(0, 0, 0, 0.1);
    border-left-width: 6px;
    transform: translateY(-4px);
}

.founder-card h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.founder-title {
    font-size: 1.25rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.founder-bio {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.founder-links {
    display: flex;
    gap: 1.5rem;
}

.founder-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border: 2px solid var(--primary-color);
    border-radius: 6px;
}

.founder-links a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Expertise Grid */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.expertise-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05), 0 10px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    transform: scaleX(0);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.expertise-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 12px 24px rgba(34, 211, 238, 0.15), 0 24px 48px rgba(0, 0, 0, 0.1);
    border-color: rgba(34, 211, 238, 0.3);
}

.expertise-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.expertise-icon svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 4px 8px rgba(99, 102, 241, 0.15));
    transition: transform 0.3s ease, filter 0.3s ease;
}

.expertise-card:hover .expertise-icon svg {
    transform: scale(1.1) rotate(5deg);
    filter: drop-shadow(0 8px 16px rgba(34, 211, 238, 0.25));
}

.expertise-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.expertise-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.project-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05), 0 10px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 4px solid var(--primary-color);
    position: relative;
    overflow: hidden;
}

.project-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.08) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.project-card:hover::after {
    opacity: 1;
}

.project-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 12px 24px rgba(34, 211, 238, 0.15), 0 24px 48px rgba(0, 0, 0, 0.1);
    border-left-width: 6px;
}

.project-card h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.project-tech {
    font-size: 0.875rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.project-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Tech Stack */
.tech-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.tech-category h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tag {
    background: var(--bg-primary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.tag:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Contact Section */
.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-content p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: var(--bg-primary);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid var(--border-color);
    min-width: 250px;
    position: relative;
    overflow: hidden;
}

.contact-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.1), transparent);
    transition: left 0.5s ease;
}

.contact-link:hover::before {
    left: 100%;
}

.contact-link:hover {
    border-color: var(--primary-color);
    transform: translateX(12px) translateY(-2px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.2);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05));
}

.contact-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-icon svg {
    width: 100%;
    height: 100%;
    transition: transform 0.3s ease, color 0.3s ease;
}

.contact-link:hover .contact-icon svg {
    transform: scale(1.15) translateY(-2px);
}

/* Footer */
footer {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: white;
    text-align: center;
    padding: 3rem 20px;
}

footer p {
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.footer-tagline {
    font-size: 0.875rem;
    opacity: 0.7;
}

/* Scroll-Triggered Fade-In Animations */
.fade-in-section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Fade-in animation classes for scroll-triggered animations */
.fade-in-element {
    opacity: 0;
    animation: fadeIn 0.8s ease-out forwards;
}

.scale-in-element {
    opacity: 0;
    animation: scaleIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Apply animations to cards with staggered delays */
.expertise-card {
    animation: scaleIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.expertise-card:nth-child(1) { animation-delay: 0.1s; }
.expertise-card:nth-child(2) { animation-delay: 0.2s; }
.expertise-card:nth-child(3) { animation-delay: 0.3s; }
.expertise-card:nth-child(4) { animation-delay: 0.4s; }

.project-card {
    animation: fadeInUp 0.6s ease-out forwards;
}

.project-card:nth-child(1) { animation-delay: 0.1s; }
.project-card:nth-child(2) { animation-delay: 0.2s; }
.project-card:nth-child(3) { animation-delay: 0.3s; }

/* Section titles animation */
.section h2 {
    animation: fadeInUp 0.8s ease-out forwards;
}

/* Responsive Design */
@media (max-width: 768px) {
    .name {
        font-size: 2.5rem;
    }

    .name .logo {
        height: 85px;
    }

    .title {
        font-size: 1.2rem;
    }

    .tagline {
        font-size: 1rem;
    }

    .section h2 {
        font-size: 2rem;
    }

    .expertise-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .expertise-icon {
        width: 56px;
        height: 56px;
    }

    .contact-icon {
        width: 20px;
        height: 20px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .name {
        font-size: 2rem;
    }

    .hero {
        min-height: 50vh;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Toast Notification */
.toast-notification {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(150%);
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    padding: 1rem 2rem;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3), 0 4px 12px rgba(0, 0, 0, 0.2);
    font-weight: 500;
    font-size: 0.95rem;
    z-index: 10000;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    max-width: 90%;
    text-align: center;
}

.toast-notification.show {
    transform: translateX(-50%) translateY(0);
}

@media (max-width: 768px) {
    .toast-notification {
        bottom: 20px;
        padding: 0.875rem 1.5rem;
        font-size: 0.875rem;
        max-width: calc(100% - 40px);
    }
}

/* Cookie Consent Banner */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.98), rgba(139, 92, 246, 0.98));
    color: white;
    padding: 1.5rem 2rem;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    z-index: 10001;
    backdrop-filter: blur(10px);
    transform: translateY(0);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.cookie-consent.hidden {
    transform: translateY(100%);
}

.cookie-consent-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.cookie-consent-text h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.cookie-consent-text p {
    font-size: 0.95rem;
    line-height: 1.5;
    opacity: 0.95;
    margin: 0;
}

.cookie-consent-actions {
    display: flex;
    gap: 1rem;
    flex-shrink: 0;
}

.consent-btn {
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

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

.consent-accept:hover {
    background: #f8f9ff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.consent-reject {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid white;
}

.consent-reject:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .cookie-consent {
        padding: 1.25rem 1.5rem;
    }

    .cookie-consent-content {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }

    .cookie-consent-text h3 {
        font-size: 1.1rem;
    }

    .cookie-consent-text p {
        font-size: 0.875rem;
    }

    .cookie-consent-actions {
        width: 100%;
        flex-direction: column;
        gap: 0.75rem;
    }

    .consent-btn {
        width: 100%;
        padding: 0.875rem 1.5rem;
    }
}