/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero);
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../img/intro-bg.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.2;
    mix-blend-mode: overlay;
}

.hero-content {
    text-align: center;
    color: white;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-8);
}

.hero-greeting {
    font-size: var(--text-xl);
    font-weight: var(--font-medium);
    margin-bottom: var(--space-4);
    opacity: 0.9;
    color: var(--color-bg-tertiary);
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: var(--font-extrabold);
    margin-bottom: var(--space-6);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: var(--text-3xl);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-6);
    min-height: 60px;
}

.typing-text {
    display: inline-block;
    border-right: 3px solid white;
    padding-right: 8px;
    animation: blink 0.7s infinite;
}

@keyframes blink {

    0%,
    100% {
        border-color: white;
    }

    50% {
        border-color: transparent;
    }
}

.hero-description {
    font-size: var(--text-lg);
    margin-bottom: var(--space-10);
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: var(--color-accent);
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-10);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    animation: float 2s ease-in-out infinite;
    color: white;
    font-size: var(--text-2xl);
    opacity: 0.7;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-12);
    align-items: start;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-10);
}

.skill-category-title {
    font-size: var(--text-2xl);
    color: var(--color-primary);
    margin: var(--space-10) 0 var(--space-6);
    text-align: center;
    position: relative;
    display: inline-block;
    width: 100%;
}

.mb-4 {
    margin-bottom: var(--space-10);
}

.about-image {
    position: relative;
}

.profile-image {
    width: 100%;
    max-width: 400px;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    border: 4px solid var(--color-primary);
}

.about-text h3 {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-4);
    color: var(--color-text-primary);
}

.about-text h4 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
    color: var(--color-primary);
}

.about-lead {
    font-size: var(--text-lg);
    line-height: 1.8;
    color: var(--color-text-primary);
    margin-bottom: var(--space-6);
}

.about-section-block {
    margin-bottom: var(--space-6);
}

.about-list {
    list-style: none;
    margin-top: var(--space-2);
}

.about-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: var(--space-2);
    line-height: 1.6;
}

.about-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}

.about-cta {
    margin-top: var(--space-8);
    font-weight: var(--font-medium);
    padding: var(--space-4);
    background: rgba(99, 102, 241, 0.1);
    border-left: 4px solid var(--color-primary);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.section-subtitle {
    color: var(--color-accent);
}



/* Contact Section */
#contact {
    position: relative;
    background-image: url('../img/overlay-bg.jpg');
    background-size: cover;
    background-attachment: fixed;
    background-position: center;
    color: white;
}

#contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 84, 215, 0.7);
    z-index: 0;
}

.contact-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-12);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.contact-item {
    display: flex;
    gap: var(--space-4);
    align-items: start;
}

.contact-item i {
    font-size: var(--text-2xl);
    color: var(--color-primary);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-md);
}

.contact-item h4 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-1);
}

.contact-item p,
.contact-item a {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--text-base);
}

.contact-form {
    background: var(--color-surface);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

/* Footer */
.footer {
    background: var(--color-bg-tertiary);
    padding: var(--space-8) 0;
    margin-top: var(--space-20);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer-content p {
    margin: 0;
    color: var(--color-text-secondary);
}

.timeline-title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-2);
    color: var(--color-primary);
}

.timeline-description {
    color: var(--color-text-secondary);
}

.timeline-description ul {
    list-style: none;
    margin-top: var(--space-4);
}

.timeline-description li {
    position: relative;
    padding-left: 20px;
    margin-bottom: var(--space-3);
    font-size: var(--text-sm);
    line-height: 1.6;
}

.timeline-description li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}

.timeline-description h4 {
    color: var(--color-text-primary);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    margin-top: var(--space-6);
    margin-bottom: var(--space-3);
    border-bottom: 2px solid var(--color-bg-tertiary);
    padding-bottom: var(--space-1);
    display: inline-block;
}

.timeline-description strong {
    color: var(--color-primary);
}

.footer-content .fa-heart {
    color: var(--color-error);
    animation: pulse 1.5s ease-in-out infinite;
}

/* Responsive Design */
@media (max-width: 1024px) {

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    #contact {
        background-attachment: scroll;
    }

    .about-image {
        text-align: center;
    }

    .profile-image {
        max-width: 300px;
        margin: 0 auto;
        display: block;
    }

    .about-stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

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

    .about-stats {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .section {
        padding: var(--space-8) 0;
    }
}

@media (max-width: 640px) {
    .hero-content {
        padding: var(--space-4);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: var(--text-xl);
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .timeline {
        padding-left: var(--space-4);
    }
}