/* Homepage Styles */

/* Hero Section */
.hero {
    min-height: calc(100vh - var(--header-height));
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 80%, var(--primary-100) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, var(--primary-50) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, var(--primary-50) 0%, transparent 50%);
    opacity: 0.5;
    z-index: 1;
}

[data-theme="dark"] .hero::before {
    background-image:
        radial-gradient(circle at 20% 80%, var(--primary-900) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, var(--gray-800) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, var(--gray-900) 0%, transparent 50%);
    opacity: 0.3;
}

.hero__content {
    text-align: center;
    z-index: 2;
    position: relative;
    padding: var(--space-2xl) var(--space-xl);
}

.hero__greeting {
    font-size: var(--text-2xl);
    color: var(--primary-600);
    margin-bottom: var(--space-md);
    font-weight: var(--font-medium);
    min-height: 36px;
}

.hero__title {
    font-size: var(--text-7xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-700) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease-out;
}

[data-theme="dark"] .hero__title {
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-400) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__tagline {
    font-size: var(--text-xl);
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    min-height: 28px;
    font-family: var(--font-mono);
}

.hero__cta {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    animation: fadeInUp 1s ease-out 0.2s both;
}

/* Scroll Indicator - Seta animada */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    cursor: pointer;
    z-index: 2;
}

.scroll-indicator__arrow {
    animation: bounceArrow 2s ease-in-out infinite;
    color: var(--primary-600);
    width: 32px;
    height: 32px;
}

@keyframes bounceArrow {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(10px);
    }
    60% {
        transform: translateY(5px);
    }
}

.scroll-indicator:hover .scroll-indicator__arrow {
    color: var(--primary-700);
    animation-play-state: paused;
}

/* About Preview */
.about-preview {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
}

.about-preview__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about-preview__content {
    animation: fadeInLeft 0.8s ease-out;
}

.about-preview__highlights {
    margin: var(--space-lg) 0;
    padding-left: var(--space-lg);
}

.about-preview__highlights li {
    position: relative;
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
}

.about-preview__highlights li::before {
    content: '▸';
    position: absolute;
    left: calc(-1 * var(--space-lg));
    color: var(--primary-600);
}

.about-preview__visual {
    position: relative;
    animation: fadeInRight 0.8s ease-out;
}

.about-preview__image {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

/* Skills Highlights */
.skills-highlights {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

/* Category Preview Cards - Minimalist Professional Design */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
    align-items: start; /* Prevents cards from stretching to match tallest card in row */
}

.category-preview-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    position: relative;
}

.category-preview-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-300);
    border-width: 3px;
}

.category-preview__header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    min-height: 88px;
    flex-shrink: 0;
}

.category-preview__icon {
    font-size: 48px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: var(--primary-50);
    border-radius: var(--radius-md);
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

[data-theme="dark"] .category-preview__icon {
    background: rgba(30, 136, 229, 0.1);
}

.category-preview-card:hover .category-preview__icon {
    transform: scale(1.1) rotate(5deg);
}

.category-preview__info {
    flex: 1;
    min-width: 0;
}

.category-preview__title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
    line-height: 1.3;
}

.category-preview__count {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--primary-700);
    background: var(--primary-100);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
}

[data-theme="dark"] .category-preview__count {
    background: rgba(30, 136, 229, 0.15);
    color: var(--primary-300);
}

.category-preview__description {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
    min-height: 50px;
    flex-shrink: 0;
}

.category-preview__tech-icons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-top: auto; /* Push to consistent position */
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-color);
    position: relative;
    min-height: 108px; /* Force consistent height */
    max-height: 108px; /* 2 rows: 40px + 16px gap + 40px + padding */
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.category-preview__tech-icons.expanded {
    max-height: 400px; /* Allow for expansion */
}

.category-preview__tech-icons i {
    position: relative;
    font-size: 40px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-fast), filter var(--transition-fast);
    cursor: pointer;
    font-family: 'devicon', sans-serif;
    margin: 0 auto;
}

.category-preview-card:hover .category-preview__tech-icons i {
    transform: scale(1.1);
}

/* Individual icon hover - more pronounced effect */
.category-preview__tech-icons i:hover {
    transform: scale(1.3) !important;
    filter: brightness(1.2);
    z-index: 5;
}

/* Tooltip showing tech name on hover */
.category-preview__tech-icons i::after {
    content: attr(data-tech-name);
    position: absolute;
    bottom: -42px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gray-900);
    color: var(--color-white);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    font-family: var(--font-primary);
    white-space: nowrap;
    max-width: 200px;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .category-preview__tech-icons i::after {
    background: var(--gray-100);
    color: var(--gray-900);
}

.category-preview__tech-icons i:hover::after {
    opacity: 1;
    transform: translateX(-50%) translateY(-2px);
}

/* Hidden icons - initially invisible */
.category-preview__tech-icons:not(.expanded) .skill-icon-hidden {
    display: none;
}

.category-preview__tech-icons.expanded .skill-icon-hidden {
    display: flex;
    opacity: 0;
    transform: scale(0.8);
    animation: fadeInIcon 0.3s ease 0.1s forwards;
}

@keyframes fadeInIcon {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Expand button */
.skill-expand-btn {
    position: relative;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-100);
    border: 2px solid var(--primary-300);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--primary-700);
    margin: 0 auto;
}

[data-theme="dark"] .skill-expand-btn {
    background: rgba(30, 136, 229, 0.15);
    border-color: var(--primary-500);
    color: var(--primary-300);
}

.skill-expand-btn:hover {
    background: var(--primary-600);
    border-color: var(--primary-600);
    color: var(--color-white);
    transform: scale(1.1);
}

.skill-expand-btn:active {
    transform: scale(0.95);
}

.expand-count {
    display: block;
    line-height: 1;
}

/* Card expansion state */
.category-preview-card.card-expanded {
    box-shadow: var(--shadow-xl);
}

/* Placeholder for consistent grid height */
.skill-icon-placeholder {
    width: 40px;
    height: 40px;
    visibility: hidden;
    pointer-events: none;
}

/* Hide placeholder tooltips */
.skill-icon-placeholder::after {
    display: none !important;
}

/* Staggered animation for category cards */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.category-preview-card {
    animation: fadeInUp 0.6s ease-out backwards;
}

.category-preview-card:nth-child(1) { animation-delay: 0.1s; }
.category-preview-card:nth-child(2) { animation-delay: 0.2s; }
.category-preview-card:nth-child(3) { animation-delay: 0.3s; }
.category-preview-card:nth-child(4) { animation-delay: 0.4s; }
.category-preview-card:nth-child(5) { animation-delay: 0.5s; }
.category-preview-card:nth-child(6) { animation-delay: 0.6s; }

/* Featured Projects */
.featured-projects {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
}

/* Contact CTA */
.contact-cta {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%);
    color: var(--color-white);
    text-align: center;
    padding: var(--space-4xl) 0;
}

.contact-cta__title {
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-md);
}

.contact-cta__text {
    font-size: var(--text-xl);
    margin-bottom: var(--space-2xl);
    opacity: 0.9;
}

.contact-cta__buttons {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.contact-cta .btn--primary {
    background: var(--color-white);
    color: var(--primary-700);
    border-color: var(--color-white);
}

.contact-cta .btn--primary:hover {
    background: var(--gray-100);
    border-color: var(--gray-100);
}

.contact-cta .btn--secondary {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.contact-cta .btn--secondary:hover {
    background: var(--white-overlay);
}

/* Responsive */
@media (max-width: 768px) {
    .hero__title {
        font-size: var(--text-5xl);
    }

    .hero__tagline {
        font-size: var(--text-lg);
    }

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

    .about-preview__grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .about-preview__visual {
        order: -1;
        display: flex;
        justify-content: center;
    }

    .contact-cta__title {
        font-size: var(--text-3xl);
    }

    /* Category cards responsive */
    .skills-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .category-preview-card {
        padding: var(--space-lg);
    }

    .category-preview__icon {
        font-size: 40px;
        width: 56px;
        height: 56px;
    }

    .category-preview__title {
        font-size: var(--text-lg);
    }

    .category-preview__tech-icons {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-md); /* 16px - same as desktop for better vertical/horizontal spacing */
        max-height: 100px; /* Adjusted to accommodate 36px + 16px + 36px + padding */
    }

    .category-preview__tech-icons.expanded {
        max-height: 350px;
    }

    .category-preview__tech-icons i {
        font-size: 36px;
        width: 36px;
        height: 36px;
    }

    .skill-expand-btn {
        width: 36px;
        height: 36px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .hero {
        min-height: calc(100vh - var(--header-height));
    }

    .hero__title {
        font-size: var(--text-4xl);
    }

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

    .hero__tagline {
        font-size: var(--text-base);
    }

    .scroll-indicator {
        bottom: var(--space-xl);
    }
}

/* Achievements Section */
.achievements {
    background: var(--bg-tertiary);
    padding: var(--space-4xl) 0;
    border-top: 1px solid var(--border-color);
}

.achievements__grid {
    /* Using grid utilities: grid grid-auto-md gap-2xl */
    margin-top: var(--space-3xl);
}

.achievement-card {
    /* Extends .card .card--hoverable .card--centered from components.css */
    padding: var(--space-2xl);
}

.achievement-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.achievement-card__icon {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-md);
}

.achievement-card__number {
    font-size: var(--text-5xl);
    font-weight: var(--font-bold);
    color: var(--primary-600);
    margin-bottom: var(--space-sm);
}

.achievement-card__label {
    font-size: var(--text-base);
    color: var(--text-secondary);
}

/* Testimonials Section */
.testimonials {
    background: var(--bg-secondary);
    padding: var(--space-4xl) 0;
    border-top: 1px solid var(--border-color);
}

.testimonials__carousel {
    position: relative;
    max-width: 800px;
    margin: var(--space-3xl) auto;
    overflow: hidden;
}

.testimonial-card {
    display: none;
    /* Extends .card .card--secondary from components.css */
    padding: var(--space-2xl);
    animation: fadeIn var(--transition-slow);
}

.testimonial-card.active {
    display: block;
}

.testimonial-card__content {
    margin-bottom: var(--space-xl);
}

.testimonial-card__quote {
    font-size: var(--text-lg);
    line-height: 1.8;
    font-style: italic;
    position: relative;
    padding-left: var(--space-xl);
}

.testimonial-card__quote::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -10px;
    font-size: var(--text-5xl);
    color: var(--primary-300);
    font-family: Georgia, serif;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.testimonial-card__avatar {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    object-fit: cover;
    border: 3px solid var(--primary-200);
}

.testimonial-card__info {
    flex: 1;
}

.testimonial-card__name {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-xs);
}

.testimonial-card__role {
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

/* Testimonials Controls */
.testimonials__controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.testimonial-control {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.testimonial-control:hover {
    background: var(--primary-600);
    border-color: var(--primary-600);
    color: var(--color-white);
}

.testimonials__dots {
    display: flex;
    gap: var(--space-sm);
}

.testimonial-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-sm);
    background: var(--gray-300);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.testimonial-dot.active {
    width: 24px;
    background: var(--primary-600);
}

/* Additional Responsive Styles */
@media (max-width: 768px) {
    .achievements__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-lg);
    }

    .achievement-card__number {
        font-size: var(--text-3xl);
    }

    .testimonial-card {
        padding: var(--space-lg);
    }

    .testimonial-card__quote {
        font-size: var(--text-base);
    }
}

@media (max-width: 480px) {
    .achievements__grid {
        grid-template-columns: 1fr;
    }
}