/**
 * Brain Developer - Full-Stack Page Styles
 * =========================================
 * Estilos específicos para a página Full-Stack (Full-Stack.html).
 * 
 * Depende de: tokens.css, base.css, layout.css, components.css
 */

/* ==========================================
   FULLSTACK - HERO SECTION
   ========================================== */

.fullstack-hero {
    background: var(--gradient-fullstack);
    padding: var(--spacing-16) var(--spacing-4);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.fullstack-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 20%, rgba(147, 51, 234, 0.12), transparent 35%),
        radial-gradient(circle at 70% 80%, rgba(16, 185, 129, 0.1), transparent 35%),
        radial-gradient(circle at 50% 50%, rgba(14, 165, 233, 0.08), transparent 45%);
    pointer-events: none;
}

.fullstack-hero__title {
    font-size: clamp(2rem, 4.5vw, 3rem);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-text-inverse);
    margin-bottom: var(--spacing-4);
    position: relative;
    z-index: 1;
    line-height: var(--line-height-tight);
}

.fullstack-hero__title span {
    background: linear-gradient(135deg, #a5b4fc 0%, #6ee7b7 50%, #67e8f9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.fullstack-hero__subtitle {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    max-width: 650px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    line-height: var(--line-height-relaxed);
}

/* ==========================================
   FULLSTACK - OVERVIEW SECTION
   ========================================== */

.fullstack-overview {
    padding: var(--spacing-16) var(--spacing-6);
    background: var(--color-surface-secondary);
}

.fullstack-overview__diagram {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-8);
    flex-wrap: wrap;
    max-width: 900px;
    margin: 0 auto;
}

.fullstack-overview__block {
    background: var(--color-surface-primary);
    border: 2px solid var(--block-color, var(--color-border-subtle));
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    min-width: 200px;
    text-align: center;
    transition: all var(--transition-normal);
}

.fullstack-overview__block:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(var(--block-rgb, 147, 51, 234), 0.2);
}

.fullstack-overview__block--frontend {
    --block-color: var(--color-accent-500);
    --block-rgb: 14, 165, 233;
}

.fullstack-overview__block--backend {
    --block-color: var(--color-success-500);
    --block-rgb: 16, 185, 129;
}

.fullstack-overview__block--database {
    --block-color: var(--color-primary-500);
    --block-rgb: 147, 51, 234;
}

.fullstack-overview__block-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-3);
}

.fullstack-overview__block-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-2);
}

.fullstack-overview__block-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.fullstack-overview__connector {
    font-size: var(--font-size-2xl);
    color: var(--color-primary-400);
}

/* ==========================================
   FULLSTACK - TECH STACKS SECTION
   ========================================== */

.fullstack-stacks {
    padding: var(--spacing-16) var(--spacing-6);
}

.fullstack-stacks__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-8);
    max-width: 1200px;
    margin: 0 auto;
}

.fullstack-stack-card {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.fullstack-stack-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--stack-gradient, var(--gradient-primary));
}

.fullstack-stack-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-border-light);
}

/* Stack variants */
.fullstack-stack-card--mern {
    --stack-gradient: linear-gradient(90deg, #3fa037, #61dafb, #68a063, #f7df1e);
}

.fullstack-stack-card--mean {
    --stack-gradient: linear-gradient(90deg, #3fa037, #dd0031, #68a063, #f7df1e);
}

.fullstack-stack-card--lamp {
    --stack-gradient: linear-gradient(90deg, #f29111, #777bb4, #00758f, #e95420);
}

.fullstack-stack-card--jam {
    --stack-gradient: linear-gradient(90deg, #663399, #61dafb, #f0db4f, #0fa0ce);
}

.fullstack-stack-card--django {
    --stack-gradient: linear-gradient(90deg, #092e20, #3776ab, #336791, #61dafb);
}

.fullstack-stack-card__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-4);
}

.fullstack-stack-card__title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
}

.fullstack-stack-card__popularity {
    background: var(--color-primary-50);
    color: var(--color-primary-600);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
}

.fullstack-stack-card__tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-4);
}

.fullstack-stack-card__tech {
    background: var(--color-surface-primary);
    color: var(--color-text-secondary);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.fullstack-stack-card__tech span {
    font-size: var(--font-size-base);
}

.fullstack-stack-card__description {
    font-size: var(--font-size-base);
    color: var(--color-text-tertiary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-4);
}

.fullstack-stack-card__use-cases {
    list-style: none;
    padding: 0;
    margin: 0;
}

.fullstack-stack-card__use-cases li {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.fullstack-stack-card__use-cases li::before {
    content: '✓';
    color: var(--color-success-400);
    font-weight: var(--font-weight-bold);
}

/* ==========================================
   FULLSTACK - SKILLS COMPARISON
   ========================================== */

.fullstack-skills {
    padding: var(--spacing-16) var(--spacing-6);
    background: var(--gradient-section-purple);
}

.fullstack-skills__comparison {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-8);
    max-width: 1000px;
    margin: 0 auto;
}

.fullstack-skills__column {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
}

.fullstack-skills__column-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-5);
    padding-bottom: var(--spacing-4);
    border-bottom: 2px solid var(--column-color, var(--color-border-light));
}

.fullstack-skills__column--frontend .fullstack-skills__column-header {
    --column-color: var(--color-accent-400);
}

.fullstack-skills__column--backend .fullstack-skills__column-header {
    --column-color: var(--color-success-400);
}

.fullstack-skills__column-icon {
    width: 44px;
    height: 44px;
    background: var(--color-primary-50);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    color: var(--color-primary-600);
}

.fullstack-skills__column-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.fullstack-skills__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.fullstack-skills__item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-3) 0;
    border-bottom: 1px solid var(--color-border-subtle);
}

.fullstack-skills__item:last-child {
    border-bottom: none;
}

.fullstack-skills__item-name {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
}

.fullstack-skills__item-level {
    font-size: var(--font-size-xs);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-medium);
    background: rgba(147, 51, 234, 0.2);
    color: var(--color-primary-400);
}

/* ==========================================
   FULLSTACK - LEARNING PATH
   ========================================== */

.fullstack-path {
    padding: var(--spacing-16) var(--spacing-6);
}

.fullstack-path__phases {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-8);
    max-width: 900px;
    margin: 0 auto;
}

.fullstack-path__phase {
    display: flex;
    gap: var(--spacing-6);
    align-items: flex-start;
}

.fullstack-path__phase-marker {
    width: 70px;
    height: 70px;
    background: var(--phase-color, var(--gradient-primary));
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.fullstack-path__phase:nth-child(1) .fullstack-path__phase-marker {
    background: linear-gradient(135deg, var(--color-accent-500), var(--color-accent-600));
}

.fullstack-path__phase:nth-child(2) .fullstack-path__phase-marker {
    background: linear-gradient(135deg, var(--color-success-500), var(--color-success-600));
}

.fullstack-path__phase:nth-child(3) .fullstack-path__phase-marker {
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
}

.fullstack-path__phase:nth-child(4) .fullstack-path__phase-marker {
    background: linear-gradient(135deg, var(--color-warning-500), var(--color-warning-600));
}

.fullstack-path__phase-number {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-text-primary);
}

.fullstack-path__phase-content {
    flex: 1;
    background: var(--color-surface-secondary);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
}

.fullstack-path__phase-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-2);
}

.fullstack-path__phase-duration {
    display: inline-block;
    background: rgba(147, 51, 234, 0.2);
    color: var(--color-primary-400);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-3);
}

.fullstack-path__phase-description {
    font-size: var(--font-size-base);
    color: var(--color-text-tertiary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-4);
}

.fullstack-path__phase-topics {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
}

.fullstack-path__phase-topic {
    background: var(--color-surface-primary);
    color: var(--color-text-secondary);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
}

/* ==========================================
   FULLSTACK - PROJECTS SECTION
   ========================================== */

.fullstack-projects {
    padding: var(--spacing-16) var(--spacing-6);
    background: var(--color-surface-secondary);
}

.fullstack-projects__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-6);
    max-width: 1200px;
    margin: 0 auto;
}

.fullstack-project-card {
    background: var(--color-surface-primary);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    transition: all var(--transition-normal);
}

.fullstack-project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.fullstack-project-card__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-4);
}

.fullstack-project-card__icon {
    font-size: var(--font-size-3xl);
}

.fullstack-project-card__complexity {
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
}

.fullstack-project-card__complexity--beginner {
    background: rgba(16, 185, 129, 0.2);
    color: var(--color-success-400);
}

.fullstack-project-card__complexity--intermediate {
    background: rgba(245, 158, 11, 0.2);
    color: var(--color-warning-400);
}

.fullstack-project-card__complexity--advanced {
    background: rgba(239, 68, 68, 0.2);
    color: var(--color-error-400);
}

.fullstack-project-card__title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-2);
}

.fullstack-project-card__description {
    font-size: var(--font-size-base);
    color: var(--color-text-tertiary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-4);
}

.fullstack-project-card__features {
    margin-bottom: var(--spacing-4);
}

.fullstack-project-card__features-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-2);
}

.fullstack-project-card__features-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
}

.fullstack-project-card__feature {
    background: var(--color-surface-secondary);
    color: var(--color-text-tertiary);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
}

.fullstack-project-card__stack {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--color-border-subtle);
}

.fullstack-project-card__stack-item {
    background: rgba(147, 51, 234, 0.1);
    color: var(--color-primary-400);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
}

/* ==========================================
   FULLSTACK - SALARY SECTION
   ========================================== */

.fullstack-salary {
    padding: var(--spacing-16) var(--spacing-6);
}

.fullstack-salary__highlight {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-10);
    padding: var(--spacing-8);
    background: linear-gradient(135deg, rgba(147, 51, 234, 0.1), rgba(16, 185, 129, 0.1));
    border: 1px solid var(--color-primary-500);
    border-radius: var(--radius-2xl);
}

.fullstack-salary__highlight-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-2);
}

.fullstack-salary__highlight-value {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-extrabold);
    background: linear-gradient(135deg, var(--color-primary-400), var(--color-success-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.fullstack-salary__highlight-note {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    margin-top: var(--spacing-2);
}

.fullstack-salary__cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-6);
    max-width: 1000px;
    margin: 0 auto;
}

.fullstack-salary-card {
    background: var(--color-surface-secondary);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    text-align: center;
    transition: all var(--transition-normal);
}

.fullstack-salary-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.fullstack-salary-card__level {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-2);
}

.fullstack-salary-card__value {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-success-400);
}

/* ==========================================
   FULLSTACK - ADVANTAGES SECTION
   ========================================== */

.fullstack-advantages {
    padding: var(--spacing-16) var(--spacing-6);
    background: var(--gradient-section-purple);
}

.fullstack-advantages__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-6);
    max-width: 1200px;
    margin: 0 auto;
}

.fullstack-advantage-card {
    background: var(--color-surface-secondary);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    text-align: center;
    transition: all var(--transition-normal);
}

.fullstack-advantage-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.fullstack-advantage-card__icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-4);
}

.fullstack-advantage-card__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-2);
}

.fullstack-advantage-card__text {
    font-size: var(--font-size-base);
    color: var(--color-text-tertiary);
    line-height: var(--line-height-relaxed);
}

/* ==========================================
   RESPONSIVIDADE
   ========================================== */

@media (max-width: 768px) {
    .fullstack-hero {
        padding: var(--spacing-12) var(--spacing-4);
    }

    .fullstack-overview__diagram {
        flex-direction: column;
    }

    .fullstack-overview__connector {
        transform: rotate(90deg);
    }

    .fullstack-skills__comparison {
        grid-template-columns: 1fr;
    }

    .fullstack-path__phase {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .fullstack-path__phase-marker {
        width: 60px;
        height: 60px;
    }
}