/* ==========================================================================
   Portfólio Acadêmico-Profissional — Gustavo Paccelli da Costa
   style.css — estilos principais (mobile-first)
   ========================================================================== */

/* ---------- Variáveis - Sunset Boulevard Theme ---------- */
:root {
    --primary: #264653;
    --primary-dark: #1a3240;
    --primary-light: #f4a261;
    --secondary: #e76f51;
    --secondary-text: #82300f;
    --accent: #f4a261;
    --accent-dark: #d87f48;
    --text-dark: #264653;
    --text-light: #5a4f47;
    --text-muted: #666666;
    --text-muted-soft: #999999;
    --bg-light: #e9c46a;
    --bg-white: #ffffff;
    --border: #d9cbb4;
    --border-soft: #f5e5c8;
    --border-strong: #c7b494;
    --surface-1: #ffffff;
    --surface-2: #faf7f2;
    --surface-strong: #f4a261;
    --surface-dark: #264653;
    --surface-dark-elevated: #2d5466;
    --gradient-sky-light: #fce5d5;
    --gradient-sky-mid: #f4a261;
    --link-hover: #e76f51;
    --link-secondary: #d87f48;
    --semantic-success: #2d6a4f;
    --semantic-error: #d62828;
    --shadow-sm: 0 1px 2px rgba(38, 70, 83, 0.06);
    --shadow-md: 0 4px 12px rgba(38, 70, 83, 0.12);
    --shadow-lg: 0 8px 24px rgba(38, 70, 83, 0.16);
    --radius: 12px;
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-xxl: 24px;
    --radius-pill: 9999px;
    --font-heading: 'Poppins', 'Inter', -apple-system, system-ui, 'Segoe UI', 'Helvetica Neue', sans-serif;
    --font-body: 'Inter', -apple-system, system-ui, 'Segoe UI', 'Helvetica Neue', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --nav-height: 64px;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    line-height: 1.65;
    background-color: var(--bg-white);
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: var(--secondary-text);
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    line-height: 1.25;
    color: var(--text-dark);
}

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

.section {
    padding: 56px 0;
}

.section-alt {
    background: var(--bg-light);
}

.section-title {
    font-size: 1.75rem;
    color: var(--primary);
    margin-bottom: 8px;
}

.section-subtitle {
    color: var(--text-light);
    margin-bottom: 32px;
    max-width: 720px;
}

.page-header {
    background: var(--bg-light);
    color: var(--text-dark);
    padding: 56px 0 48px;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.page-header h1 {
    color: var(--text-dark);
    font-size: 2.25rem;
    margin-bottom: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: -0.54px;
}

.page-header p {
    max-width: 760px;
    margin: 0 auto;
    color: var(--text-light);
    font-weight: 400;
}

/* ---------- Ícones inline (substituem emojis) ---------- */
.icon {
    width: 1em;
    height: 1em;
    vertical-align: -0.15em;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}

.info-item strong .icon,
.social-link strong .icon,
h4 .icon {
    margin-right: 6px;
    vertical-align: -0.2em;
}

/* ---------- Botões ---------- */
.btn {
    display: inline-block;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 150ms ease;
    font-weight: 500;
    font-family: var(--font-body);
    font-size: 0.875rem;
    border: none;
    cursor: pointer;
    height: 40px;
    line-height: 1;
}

.btn-primary {
    background: var(--primary);
    color: #ffffff;
    font-weight: 500;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: none;
    box-shadow: var(--shadow-md);
}

.btn-primary:focus {
    background: var(--primary-dark);
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.btn-secondary {
    background: var(--surface-1);
    color: var(--text-dark);
    font-weight: 500;
    border: 1px solid var(--border-strong);
    height: 40px;
    padding: 9px 17px;
}

.btn-secondary:hover {
    background: var(--surface-2);
    box-shadow: var(--shadow-sm);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    font-weight: 500;
}

.btn-outline:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.cta-banner .btn-outline {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.5);
    transition: all 150ms ease;
}

/* Sobre o gradiente quente do hero, a borda tom-sobre-tom some — usa o Deep Purple */
.hero .btn-outline {
    border-color: var(--primary);
}

.hero .btn-outline:hover {
    background: var(--primary);
    color: #fff;
}

.cta-banner .btn-outline:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: #fff;
    color: #fff;
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.8125rem;
    border-radius: var(--radius-sm);
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-ghost {
    background: transparent;
    color: var(--text-dark);
    border: none;
    border-radius: var(--radius-md);
}

.btn-ghost:hover {
    color: var(--primary);
    background: var(--surface-2);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn:disabled:hover {
    transform: none;
    box-shadow: none;
}

/* ---------- Navegação ---------- */
.navbar {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
    height: 64px;
}

.nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: var(--nav-height);
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.logo span {
    color: var(--secondary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.6rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.875rem;
    padding: 8px 2px;
    border-bottom: 2px solid transparent;
    transition: color 150ms ease, border-color 150ms ease;
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-links a.active {
    color: var(--text-dark);
    border-bottom-color: var(--primary);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    gap: 5px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2.5px;
    background: var(--primary);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
}

/* ---------- Hero (Home) ---------- */
.hero {
    padding: 96px 0;
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--accent) 100%);
    color: var(--text-dark);
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.hero-img {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    border: 1px solid var(--border-strong);
    margin: 0 auto 28px;
    object-fit: cover;
    box-shadow: var(--shadow-md);
}

.hero h1 {
    color: var(--text-dark);
    font-size: 2.5rem;
    margin-bottom: 10px;
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: -0.75px;
}

.hero .subtitle {
    font-size: 1.125rem;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--primary);
}

.hero .tagline {
    font-size: 1rem;
    margin-bottom: 30px;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
    color: var(--primary);
    font-weight: 400;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-bottom: 30px;
}

.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    justify-content: center;
}

.social-links a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    opacity: 0.85;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-bottom: 2px solid var(--primary);
    padding-bottom: 2px;
    transition: opacity 0.25s, color 0.25s;
}

.social-links a:hover {
    opacity: 1;
    color: var(--secondary);
    border-bottom-color: var(--secondary);
}

/* ---------- Destaques (Home) ---------- */
.highlight-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.highlight-card {
    background: var(--surface-1);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg);
    padding: 28px 20px;
    text-align: center;
    transition: all 150ms ease;
}

.highlight-card:hover {
    background: var(--surface-2);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.highlight-card .number {
    font-family: var(--font-heading);
    font-size: 2.4rem;
    font-weight: 600;
    color: var(--primary);
    line-height: 1.1;
    margin-bottom: 6px;
    letter-spacing: -0.72px;
}

.highlight-card p {
    color: var(--text-light);
    font-weight: 400;
    line-height: 1.5;
}

/* ---------- Tags de expertise ---------- */
.expertise-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    display: inline-block;
    background: var(--bg-light);
    border: 1px solid var(--border);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    font-size: 0.9rem;
    font-weight: 500;
    transition: background 0.25s, color 0.25s, border-color 0.25s;
}

.tag:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

/* ---------- Cards genéricos ---------- */
.card {
    background: var(--surface-1);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all 150ms ease;
    box-shadow: none;
}

.card:hover {
    background: var(--surface-2);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.card h3 {
    color: var(--primary);
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

/* ---------- Sobre ---------- */
.about-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    align-items: start;
}

.about-photo img {
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    width: 100%;
}

.about-bio p {
    margin-bottom: 16px;
    color: var(--text-dark);
}

.about-downloads {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
}

.badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0;
}

.mini-timeline {
    list-style: none;
    border-left: 3px solid var(--secondary);
    padding-left: 20px;
    margin-top: 12px;
}

.mini-timeline li {
    margin-bottom: 14px;
    position: relative;
}

.mini-timeline li::before {
    content: '';
    position: absolute;
    left: -26.5px;
    top: 7px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--secondary);
}

.mini-timeline .when {
    font-weight: 700;
    color: var(--primary);
    font-size: 0.9rem;
}

/* ---------- Timeline (Educação) ---------- */
.timeline {
    position: relative;
    padding: 20px 0;
}

.timeline-item {
    display: flex;
    margin-bottom: 40px;
    position: relative;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 120px;
    min-width: 120px;
    margin-right: 30px;
    position: relative;
}

.timeline-icon {
    flex-shrink: 0;
}

.timeline-marker::after {
    content: '';
    width: 2px;
    flex: 1;
    background: var(--border);
    margin-top: 10px;
}

.timeline-item:last-child .timeline-marker::after {
    display: none;
}

.timeline-marker .year {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary);
    font-size: 1.2rem;
}

.badge {
    display: inline-block;
    background: var(--accent);
    color: var(--text-dark);
    padding: 4px 10px;
    border-radius: var(--radius-xs);
    font-size: 0.78rem;
    font-weight: 600;
    margin-top: 6px;
}

.badge-blue {
    background: var(--secondary-text);
    color: #fff;
}

.timeline-content {
    background: var(--bg-light);
    border: 1px solid var(--border);
    padding: 24px;
    border-radius: var(--radius);
    flex: 1;
}

.timeline-content h3 {
    margin-bottom: 4px;
    color: var(--primary);
    font-size: 1.15rem;
}

.timeline-content .institution {
    font-weight: 600;
    color: var(--secondary-text);
}

.timeline-content .period {
    color: var(--text-light);
    font-size: 0.92rem;
    margin-bottom: 10px;
}

.timeline-content details {
    margin-top: 10px;
}

.timeline-content summary {
    cursor: pointer;
    color: var(--secondary-text);
    font-weight: 600;
    font-size: 0.92rem;
}

.details-content {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px dashed var(--border);
}

.details-content p {
    margin-bottom: 8px;
    font-size: 0.95rem;
}

/* ---------- Publicações ---------- */
.publications-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.publication-item {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-left: 4px solid var(--secondary);
    border-radius: var(--radius);
    padding: 22px 24px;
    transition: box-shadow 0.3s, transform 0.3s;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 16px;
}

.publication-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.publication-content {
    flex: 1;
}

.publication-content h3 {
    font-size: 1.05rem;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.publication-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.publication-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 8px;
}


.year-badge {
    background: var(--accent);
    color: var(--text-dark);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.82rem;
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    white-space: nowrap;
}

.publication-item .journal {
    color: var(--secondary-text);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.publication-item .authors,
.publication-item .doi {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.publication-item .doi a {
    color: var(--secondary-text);
    word-break: break-all;
}

.publication-item .btn {
    white-space: nowrap;
    flex-shrink: 0;
}

/* ---------- Apresentações / listas simples ---------- */
.presentation-item {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 20px;
}

.presentation-item h4 {
    color: var(--primary);
    font-size: 1rem;
    margin-bottom: 6px;
}

.presentation-item p {
    font-size: 0.92rem;
    color: var(--text-light);
}

/* ---------- Experiência ---------- */
.experience-timeline {
    position: relative;
    border-left: 3px solid var(--secondary);
    margin-left: 8px;
    padding-left: 32px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.experience-item {
    position: relative;
}

.experience-item::before {
    content: '';
    position: absolute;
    left: -41px;
    top: 6px;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: var(--bg-white);
    border: 3.5px solid var(--secondary);
}

.experience-item.current::before {
    background: var(--accent);
    border-color: var(--accent);
}

.exp-date {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--secondary-text);
    font-size: 0.92rem;
    margin-bottom: 6px;
}

.exp-content {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px 24px;
    transition: box-shadow 0.3s, transform 0.3s;
}

.exp-content:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.exp-content h3 {
    color: var(--primary);
    font-size: 1.12rem;
    margin-bottom: 2px;
}

.exp-content .company {
    font-weight: 600;
    color: var(--text-dark);
}

.exp-content .regime {
    color: var(--text-light);
    font-size: 0.88rem;
    margin-bottom: 12px;
}

.responsibilities {
    padding-left: 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.95rem;
}

/* ---------- Certificados ---------- */
.certificate-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: flex-end;
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 28px;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
    min-width: 160px;
}

.filter-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-dark);
}

.filter-group select,
.filter-group input {
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.92rem;
    background: var(--bg-white);
    color: var(--text-dark);
}

.filter-group select:focus,
.filter-group input:focus {
    outline: 2px solid var(--secondary);
    outline-offset: 1px;
    border-color: var(--secondary);
}

.filter-reset {
    align-self: flex-end;
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.certificate-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-top: 4px solid var(--secondary);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.certificate-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.cert-title {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-dark);
    margin: 0;
}

.cert-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.cert-header h4 {
    font-size: 1rem;
    color: var(--text-dark);
}

.certificate-card .institution {
    color: var(--secondary-text);
    font-weight: 600;
    font-size: 0.9rem;
}

.certificate-card .duration {
    color: var(--text-light);
    font-size: 0.85rem;
}

.cert-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 4px;
}

.cert-tag {
    background: var(--bg-light);
    border: 1px solid var(--border);
    color: var(--text-light);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: var(--radius-pill);
}

.cert-total {
    margin-top: 28px;
    text-align: center;
    color: var(--text-light);
    font-weight: 500;
}

.cert-empty {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-light);
    padding: 48px 20px;
    background: var(--bg-light);
    border: 1px dashed var(--border);
    border-radius: var(--radius);
}

/* ---------- Contato ---------- */
.contact-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    align-items: start;
}

.contact-form {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
}

.form-group {
    margin-bottom: 18px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-weight: 600;
    font-size: 0.92rem;
}

.form-group input,
.form-group textarea {
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.95rem;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: 2px solid var(--secondary);
    outline-offset: 1px;
    border-color: var(--secondary);
}

.form-feedback {
    margin-top: 14px;
    padding: 12px 14px;
    border-radius: var(--radius-md);
    font-size: 0.92rem;
    display: none;
}

.form-feedback.success {
    display: block;
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.form-feedback.error {
    display: block;
    background: #fef2f2;
    color: #7f1d1d;
    border: 1px solid #fecaca;
}

.form-feedback.warning {
    display: block;
    background: #fffbeb;
    color: #92400e;
    border: 1px solid #fde68a;
}

.form-feedback.info {
    display: block;
    background: #eff6ff;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

.contact-info {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
}

.contact-info h3 {
    color: var(--primary);
    margin-bottom: 16px;
}

.info-item {
    margin-bottom: 14px;
    font-size: 0.95rem;
}

.info-item strong {
    display: block;
    color: var(--text-dark);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.info-item a {
    color: var(--secondary-text);
    text-decoration: none;
}

.info-item a:hover {
    text-decoration: underline;
}

.contact-info hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 20px 0;
}

.social-links-large {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.social-links-large h4 {
    color: var(--primary);
    margin-bottom: 12px;
}

.social-links-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.social-link {
    display: block;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    text-decoration: none;
    color: var(--text-dark);
    font-size: 0.92rem;
    transition: border-color 0.25s, transform 0.25s;
    text-align: center;
}

.social-link:hover {
    border-color: var(--secondary);
    transform: translateY(-3px);
}

.social-link strong {
    color: var(--primary);
}

/* ---------- Projetos ---------- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 28px;
}

.project-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.project-header h3 {
    color: var(--primary);
    font-size: 1.25rem;
    margin: 0;
    flex: 1;
}

.project-status {
    display: inline-block;
    background: var(--bg-light);
    border: 1px solid var(--border);
    color: var(--text-dark);
    padding: 4px 12px;
    border-radius: var(--radius-xs);
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

.project-description {
    color: var(--text-dark);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-tag {
    display: inline-block;
    background: var(--bg-light);
    border: 1px solid var(--border);
    color: var(--text-light);
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    font-size: 0.8rem;
    font-weight: 500;
}

.project-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 12px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-light);
    font-weight: 600;
}

.stat-value {
    font-size: 0.9rem;
    color: var(--text-dark);
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: 12px;
    margin-top: auto;
}

.project-links .btn {
    flex: 1;
    text-align: center;
}

/* ---------- Idiomas (tabela) ---------- */
.table-wrap {
    overflow-x: auto;
}

.languages-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.languages-table th,
.languages-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.languages-table th {
    background: var(--primary);
    color: #fff;
    font-family: var(--font-heading);
    font-weight: 600;
}

.languages-table tr:nth-child(even) {
    background: var(--bg-light);
}

/* ---------- CTA banner ---------- */
.cta-banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary-text) 100%);
    border-radius: var(--radius);
    color: #fff;
    text-align: center;
    padding: 48px 24px;
}

.cta-banner h2 {
    color: #fff;
    margin-bottom: 10px;
}

.cta-banner p {
    opacity: 0.9;
    margin-bottom: 24px;
}

/* ---------- Footer ---------- */
.footer {
    background: var(--text-dark);
    color: #d1d5db;
    padding: 36px 0;
    margin-top: 64px;
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.footer a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.25s;
}

.footer a:hover {
    color: #fff;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    font-size: 0.92rem;
}

/* ---------- Animações (fade-in ao rolar) ----------
   Progressive enhancement: o conteúdo fica visível por padrão (sem JS).
   O próprio script.js adiciona a classe .pre-reveal antes de observar o
   scroll, então só quem tem JS habilitado vê a animação de entrada. */
.reveal.pre-reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.pre-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    * {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}