/* CSS Custom Properties */
:root {
    --primary-bg: #0a0a0a;
    --secondary-bg: #1a1a1a;
    --card-bg: #1e1e1e;
    --accent-color: #10b981;
    --accent-hover: #059669;
    --accent-light: #34d399;
    --text-primary: #f0f0f0;
    --text-secondary: #b0b0b0;
    --border-radius: 16px;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
    color: var(--text-primary);
    font-family: Inter, 'SF Pro Display', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    padding: 2rem;
    background: url(photo.png) -400px center/cover no-repeat;
    mask: linear-gradient(to bottom, black 0%, black 70%, transparent 100%);
    -webkit-mask: linear-gradient(to bottom, black 0%, black 70%, transparent 100%);
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.8) 0%, rgba(26, 26, 26, 0.9) 50%, rgba(10, 10, 10, 0.8) 100%);
    z-index: 1;
}

.hero > * {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    letter-spacing: -2px;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-light), #fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    font-weight: 300;
    animation: fadeInUp 1s ease-out 0.2s both;
}

/* CTA Buttons */
.cta-buttons {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 4rem;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.cta-btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cta-primary {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    color: #fff;
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
}

.cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(16, 185, 129, 0.4);
}

.cta-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--accent-color);
}

.cta-secondary:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

/* Skills Showcase */
.skills-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    max-width: 1000px;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.skill-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--border-radius);
    padding: 1.2rem 1rem;
    text-align: center;
    transition: var(--transition);
    cursor: default;
}

.skill-card:hover {
    transform: translateY(-10px) rotate(2deg);
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--accent-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.skill-card i {
    font-size: 1.8rem;
    color: var(--accent-color);
    margin-bottom: 0.8rem;
    display: block;
}

.skill-card span {
    font-size: 0.95rem;
    font-weight: 500;
    display: block;
}

/* Section Styles */
.section {
    padding: 6rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-light));
    border-radius: 2px;
}

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, max-content));
    gap: 2rem;
    margin-top: 3rem;
    justify-content: center;
}

.portfolio-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(16, 185, 129, 0.1);
    width: 350px;
}

.portfolio-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
    border-color: var(--accent-color);
}

.card-image {
    height: 200px;
    position: relative;
    overflow: hidden;
}

.card-video {
    border: none;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-card:hover .card-video {
    transform: scale(1.05);
}

.card-content {
    padding: 2rem;
}

.card-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.card-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tag {
    background: rgba(16, 185, 129, 0.2);
    color: var(--accent-light);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.card-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.demo-link {
    flex: 1;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    color: #fff;
}

.demo-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.3);
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-top: 3rem;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.about-highlights {
    display: grid;
    gap: 2rem;
}

.highlight-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--accent-color);
    transition: var(--transition);
}

.highlight-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow);
}

.highlight-card h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Video Section */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.video-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 50px rgba(0, 0, 0, 0.4);
}

.video-wrapper {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%;
    overflow: hidden;
}

.video-wrapper iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-info {
    padding: 1.5rem;
}

.video-info h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    color: var(--accent-color);
}

.video-info p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Contact Section */
.contact-section {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 4rem 2rem;
    text-align: center;
    margin: 4rem 0;
}

.contact-buttons {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.contact-btn {
    background: var(--card-bg);
    border: 2px solid var(--accent-color);
    color: var(--text-primary);
    padding: 1.2rem 2.5rem;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 600;
    text-decoration: none;
}

.contact-btn:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(16, 185, 129, 0.3);
}

/* Video Modal Styles */
.video-modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0; top: 0; width: 100vw; height: 100vh;
  background: rgba(0,0,0,0.95);
  align-items: center;
  justify-content: center;
}
.video-modal-content {
  position: relative;
  margin: 3% auto;
  width: 90%;
  max-width: 900px;
  background: var(--card-bg, #222);
  border-radius: var(--border-radius, 12px);
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0,0,0,0.7);
  animation: scaleIn 0.3s ease;
}
@keyframes scaleIn {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        padding: 1rem;
        background-position: center;
    }

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

    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .portfolio-grid,
    .video-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .portfolio-card {
        max-width: 100%;
        width: 100%;
    }

    .skills-showcase {
        grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
        gap: 0.8rem;
    }

    .skill-card {
        padding: 1rem 0.8rem;
    }

    .skill-card i {
        font-size: 1.5rem;
    }

    .skill-card span {
        font-size: 0.85rem;
    }

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

    .video-card {
        min-width: auto;
    }
}