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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #e2e8f0;
    background: #1a202c;
    overflow-x: hidden;
}

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

.hero {
    background: #1a202c;
    color: white;
    min-height: 100vh;
    position: relative;
    overflow: hidden;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, 
        transparent 30%, 
        rgba(59, 130, 246, 0.3) 45%, 
        rgba(59, 130, 246, 0.15) 55%, 
        transparent 70%
    );
    clip-path: polygon(
        0% var(--wave1-0, 40%),
        10% var(--wave1-10, 42%),
        20% var(--wave1-20, 45%),
        30% var(--wave1-30, 47%),
        40% var(--wave1-40, 45%),
        50% var(--wave1-50, 40%),
        60% var(--wave1-60, 35%),
        70% var(--wave1-70, 33%),
        80% var(--wave1-80, 35%),
        90% var(--wave1-90, 38%),
        100% var(--wave1-100, 40%),
        100% 100%,
        0% 100%
    );
    pointer-events: none;
    will-change: clip-path;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, 
        transparent 40%, 
        rgba(16, 185, 129, 0.25) 55%, 
        rgba(16, 185, 129, 0.12) 65%, 
        transparent 80%
    );
    clip-path: polygon(
        0% var(--wave2-0, 50%),
        10% var(--wave2-10, 48%),
        20% var(--wave2-20, 45%),
        30% var(--wave2-30, 43%),
        40% var(--wave2-40, 45%),
        50% var(--wave2-50, 50%),
        60% var(--wave2-60, 55%),
        70% var(--wave2-70, 57%),
        80% var(--wave2-80, 55%),
        90% var(--wave2-90, 52%),
        100% var(--wave2-100, 50%),
        100% 100%,
        0% 100%
    );
    pointer-events: none;
    will-change: clip-path;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    position: relative;
    z-index: 1000;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.nav-logo h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: white;
    margin: 0;
}

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

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 300;
    transition: opacity 0.3s ease;
}

.nav-links a:hover {
    opacity: 0.8;
}

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

.burger div {
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 3px 0;
    transition: 0.3s;
}

.toggle .line1 {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.toggle .line2 {
    opacity: 0;
}

.toggle .line3 {
    transform: rotate(45deg) translate(-5px, -6px);
}

.hero-content {
    text-align: center;
    padding: 8rem 0 4rem;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
}

.hero-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 300;
    animation: fadeInUp 1s ease 0.2s both;
}

.highlight {
    background: linear-gradient(45deg, #ffeaa7, #fdcb6e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease 0.4s both;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: linear-gradient(45deg, #7209b7, #533483);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    border: 2px solid rgba(120, 219, 226, 0.3);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    animation: fadeInUp 1s ease 0.6s both;
    box-shadow: 0 4px 15px rgba(114, 9, 183, 0.3);
}

.cta-button:hover {
    background: linear-gradient(45deg, #533483, #7209b7);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(114, 9, 183, 0.4);
}

section {
    padding: 5rem 0;
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: #e2e8f0;
}

.countdown-section {
    background: #1a202c;
    color: white;
    padding: 4rem 0;
}

.countdown-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.countdown-input {
    margin-bottom: 2rem;
}

.countdown-input label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    color: #e2e8f0;
}

.countdown-input input {
    padding: 0.75rem;
    margin: 0.5rem;
    border-radius: 10px;
    border: 2px solid rgba(96, 165, 250, 0.3);
    background: rgba(45, 55, 72, 0.8);
    color: white;
    font-size: 1rem;
}

.countdown-input input[type="datetime-local"] {
    background: rgba(45, 55, 72, 0.9);
    color: white;
    border: 2px solid rgba(96, 165, 250, 0.3);
    padding: 0.75rem;
    border-radius: 10px;
    font-family: 'Poppins', sans-serif;
    transition: all 0.3s ease;
}

.countdown-input input[type="datetime-local"]:focus {
    outline: none;
    border-color: #60a5fa;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
    background: rgba(45, 55, 72, 1);
}

.countdown-input input[type="datetime-local"]::-webkit-calendar-picker-indicator {
    background-color: #60a5fa;
    border-radius: 3px;
    cursor: pointer;
    padding: 2px;
}

.countdown-input input[type="datetime-local"]::-webkit-datetime-edit {
    color: white;
}

.countdown-input input[type="datetime-local"]::-webkit-datetime-edit-fields-wrapper {
    background: transparent;
}

.countdown-input input[type="datetime-local"]::-webkit-datetime-edit-text {
    color: rgba(255, 255, 255, 0.7);
}

.countdown-input input[type="datetime-local"]::-webkit-datetime-edit-month-field,
.countdown-input input[type="datetime-local"]::-webkit-datetime-edit-day-field,
.countdown-input input[type="datetime-local"]::-webkit-datetime-edit-year-field,
.countdown-input input[type="datetime-local"]::-webkit-datetime-edit-hour-field,
.countdown-input input[type="datetime-local"]::-webkit-datetime-edit-minute-field {
    color: white;
    background: transparent;
}

.countdown-btn {
    padding: 0.75rem 1.5rem;
    margin: 0.5rem;
    border: none;
    border-radius: 25px;
    background: linear-gradient(45deg, #60a5fa, #3b82f6);
    color: white;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.countdown-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 20px rgba(96, 165, 250, 0.4);
}

.preset-dates h3 {
    margin-bottom: 1rem;
    color: #e2e8f0;
}

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

.preset-btn {
    padding: 0.75rem 1.25rem;
    border: none;
    border-radius: 20px;
    background: rgba(45, 55, 72, 0.8);
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid rgba(96, 165, 250, 0.3);
}

.preset-btn:hover {
    background: rgba(96, 165, 250, 0.2);
    transform: translateY(-2px);
}

.countdown-display {
    background: rgba(45, 55, 72, 0.6);
    padding: 2rem;
    border-radius: 20px;
    border: 2px solid rgba(96, 165, 250, 0.3);
    margin-top: 2rem;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.time-unit {
    text-align: center;
    background: rgba(96, 165, 250, 0.1);
    padding: 1rem;
    border-radius: 15px;
    min-width: 100px;
}

.time-unit span {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    color: #60a5fa;
}

.time-unit label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
}

.about {
    background: #1a202c;
    color: white;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
}

.profile-image {
    display: flex;
    justify-content: center;
}

.image-placeholder {
    background: #e2e8f0;
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    color: #a0aec0;
    width: 250px;
    height: 250px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border: 3px dashed #cbd5e0;
}

.image-placeholder p {
    margin-top: 1rem;
    font-size: 0.9rem;
}

.interests {
    background: #1a202c;
    color: white;
}

.interests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.interest-card {
    background: rgba(45, 55, 72, 0.8);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.interest-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.interest-card .icon {
    margin-bottom: 1rem;
    color: #60a5fa;
    font-size: 2rem;
}

.interest-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #e2e8f0;
}

.interest-card p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.projects {
    background: #1a202c;
    color: white;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: rgba(45, 55, 72, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.project-image {
    background: rgba(45, 55, 72, 0.6);
    color: white;
    text-align: center;
    padding: 3rem;
}

.project-content {
    padding: 2rem;
}

.project-content h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #e2e8f0;
}

.project-content p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-tech {
    margin-bottom: 1.5rem;
}

.tech-tag {
    display: inline-block;
    background: #edf2f7;
    color: #4a5568;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.project-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.project-link:hover {
    color: #764ba2;
}

.contact {
    background: #1a202c;
    color: white;
    text-align: center;
}

.contact p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: rgba(96, 165, 250, 0.8);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.contact-link:hover {
    background: rgba(96, 165, 250, 1);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

footer {
    background: #1a202c;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

footer p {
    opacity: 0.8;
}

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

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 50%;
        background: rgba(26, 32, 44, 0.95);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: right 0.3s ease;
        backdrop-filter: blur(10px);
    }

    .nav-links.nav-active {
        right: 0;
    }

    .burger {
        display: flex;
    }

    .hero {
        cursor: default;
    }

    .hero::before,
    .hero::after {
        opacity: 0.7;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content h2 {
        font-size: 2rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

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

    .contact-links {
        flex-direction: column;
        align-items: center;
    }

    .contact-link {
        width: 200px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-content {
        padding: 6rem 0 3rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content h2 {
        font-size: 1.5rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    section {
        padding: 3rem 0;
    }

    h2 {
        font-size: 2rem;
    }

    .image-placeholder {
        width: 200px;
        height: 200px;
    }
}

html {
    scroll-behavior: smooth;
}

.interest-card:nth-child(1) .icon { color: #e74c3c; }
.interest-card:nth-child(2) .icon { color: #9b59b6; }
.interest-card:nth-child(3) .icon { color: #3498db; }
.interest-card:nth-child(4) .icon { color: #e67e22; }
.interest-card:nth-child(5) .icon { color: #1abc9c; }
.interest-card:nth-child(6) .icon { color: #f39c12; }