/* Autor: Dumont Web - https://dumontweb.com.br */

:root {
    --color-bg: #050816;
    --color-bg-alt: #080b1b;
    --color-text: #e5e7eb;
    --color-muted: #9ca3af;
    /* Paleta cyberpunk azul/roxo */
    --color-primary: #6366f1; /* Indigo / azul arroxeado principal */
    --color-primary-dark: #4f46e5;
    --color-primary-neon: #a855f7; /* Roxo neon de apoio */
    --color-accent-cyan: #22d3ee; /* Ciano para detalhes sutis */
    --color-border: #1f2937;
    --color-header-bg: rgba(5, 8, 22, 0.96);
    --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.7);
    --shadow-header: 0 10px 30px rgba(15, 23, 42, 0.9);
    --radius-card: 14px;
    --radius-pill: 999px;
    --transition-fast: 0.2s ease-out;
    --max-width: 1200px;
}

.card:hover,
.card:focus-within {
    transform: translateY(-4px) scale(1.01);
    box-shadow: 0 28px 60px rgba(15, 23, 42, 1);
    border-color: rgba(129, 140, 248, 0.6);
}

/* Reset simples e base */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden; /* evita scroll lateral em mobile durante interação com jogos */
}

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

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
textarea {
    font-family: inherit;
}

/* Layout base */

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 4.5rem 0;
}

.section-inner {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 1.5rem auto;
}

.section-header h2 {
    font-size: 2rem;
    margin: 0 0 0.85rem 0;
    letter-spacing: 0.02em;
}

.section-header p {
    margin: 0;
    color: var(--color-muted);
    font-size: 0.98rem;
}

/* Header */

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background-color: var(--color-header-bg);
    box-shadow: var(--shadow-header);
    backdrop-filter: blur(10px);
}

.site-header.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.12);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 0.7rem 0;
}

.site-header.scrolled .header-content {
    padding: 0.45rem 0;
}

.logo {
    font-weight: 700;
    font-size: 1.05rem;
    white-space: nowrap;
}

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

.main-nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin: 0;
    padding: 0;
}

.main-nav a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-muted);
    position: relative;
    padding-bottom: 0.1rem;
}

.main-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -0.3rem;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-fast);
}

.main-nav a:hover,
.main-nav a:focus-visible {
    color: var(--color-text);
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
    width: 100%;
}

.main-nav a.is-active {
    color: var(--color-text);
}

.main-nav a.is-active::after {
    width: 100%;
}

/* Hero */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    color: #ffffff;
    background-image: url("../img/tiago.png");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(5, 8, 22, 0.4),
        rgba(5, 8, 22, 0.65)
    );
}

.hero-content {
    position: relative;
    padding: 6rem 0 5rem 0;
    max-width: 620px;
}

.hero h1 {
    font-size: 2.1rem;
    line-height: 1.2;
    margin: 0 0 1rem 0;
}

.hero-subtitle {
    font-size: 1rem;
    margin: 0 0 0.75rem 0;
    color: #e5e7eb;
}

.hero-small {
    font-size: 0.9rem;
    margin: 0 0 1.8rem 0;
    color: #d1d5db;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Animações de entrada da hero */

.hero-title,
.js-hero-subtitle,
.js-hero-small,
.js-hero-actions {
    opacity: 0;
    transform: translateY(18px);
}

.hero-is-ready .hero-title {
    animation: heroFadeUp 0.7s var(--transition-fast) forwards;
}

.hero-is-ready .js-hero-subtitle {
    animation: heroFadeUp 0.7s var(--transition-fast) forwards;
    animation-delay: 0.12s;
}

.hero-is-ready .js-hero-small {
    animation: heroFadeUp 0.7s var(--transition-fast) forwards;
    animation-delay: 0.22s;
}

.hero-is-ready .js-hero-actions {
    animation: heroFadeUp 0.7s var(--transition-fast) forwards;
    animation-delay: 0.34s;
}

@keyframes heroFadeUp {
    from {
        opacity: 0;
        transform: translateY(18px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Botões */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.6rem;
    border-radius: var(--radius-pill);
    border: none;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast), opacity var(--transition-fast);
    text-align: center;
}

.btn-primary {
    background-image: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-neon) 50%, var(--color-accent-cyan) 100%);
    background-size: 200% 200%;
    color: #ffffff;
    box-shadow: 0 0 18px rgba(99, 102, 241, 0.55), 0 14px 40px rgba(15, 23, 42, 0.9);
}

.btn-primary:hover,
.btn-primary:focus-visible {
    background-position: 100% 0;
    transform: translateY(-1px) scale(1.02);
    box-shadow: 0 0 24px rgba(168, 85, 247, 0.8), 0 20px 50px rgba(15, 23, 42, 0.95);
}

.btn-secondary {
    background-color: rgba(15, 23, 42, 0.9);
    color: #e5e7eb;
    border: 1px solid rgba(148, 163, 184, 0.7);
    box-shadow: 0 0 0 1px rgba(99, 102, 241, 0.35);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
    background-color: rgba(15, 23, 42, 1);
    border-color: rgba(168, 85, 247, 0.85);
    box-shadow: 0 0 18px rgba(99, 102, 241, 0.45);
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0) scale(0.98);
    box-shadow: 0 8px 26px rgba(15, 23, 42, 0.7);
}

.btn.is-sending {
    opacity: 0.8;
}

.btn.is-success {
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.65), 0 18px 40px rgba(15, 23, 42, 0.95);
}

/* Sobre */

.section-about {
    background-color: var(--color-bg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
    max-width: 420px;
}

.about-image {
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
    object-fit: cover;
}

.about-content h2 {
    margin: 0 0 1rem 0;
    font-size: 1.7rem;
}

.about-content p {
    margin: 0 0 1.2rem 0;
    color: var(--color-muted);
    font-size: 0.98rem;
}

.about-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.5rem;
}

.about-list li {
    font-size: 0.95rem;
    position: relative;
    padding-left: 1.4rem;
}

.about-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-primary);
}

/* Serviços */

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

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.card {
    background-color: #020617;
    border-radius: var(--radius-card);
    padding: 1.6rem 1.5rem;
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.9);
    border: 1px solid rgba(148, 163, 184, 0.15);
    transform: translateY(0) scale(1);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.service-card h3 {
    margin: 0 0 0.6rem 0;
    font-size: 1.1rem;
}

.service-card p {
    margin: 0;
    color: var(--color-muted);
    font-size: 0.95rem;
}

/* Experiência Profissional (layout especial com imagem IA) */

.section-experience {
    position: relative;
    background: radial-gradient(circle at top left, #111827 0, #020617 55%, #000 100%);
}

.experience-layout {
    gap: 3rem;
}

.experience-header h2 {
    font-size: 2.2rem;
}

.experience-header p {
    font-size: 1.02rem;
}

.experience-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.1fr);
    gap: 2.5rem;
    align-items: stretch;
}

.experience-card {
    padding: 2rem 1.8rem;
    font-size: 1rem;
}

.experience-card h3 {
    font-size: 1.25rem;
}

.experience-card p {
    font-size: 0.98rem;
}

.experience-visual {
    position: relative;
    border-radius: var(--radius-card);
    overflow: hidden;
    min-height: 280px;
    background-image:
        linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.4)),
        url("https://images.pexels.com/photos/8438920/pexels-photo-8438920.jpeg?auto=compress&cs=tinysrgb&w=1200");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    box-shadow: var(--shadow-soft);
}

.experience-visual::after {
    content: "IA • AUTOMAÇÃO • DADOS";
    position: absolute;
    inset: auto 1.5rem 1.6rem 1.5rem;
    font-size: 0.8rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(224, 231, 255, 0.96);
    opacity: 0.9;
}

.service-icon {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    background-image: radial-gradient(circle at 10% 0, rgba(34, 211, 238, 0.35), transparent 55%),
        radial-gradient(circle at 90% 100%, rgba(168, 85, 247, 0.45), transparent 60%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.9rem;
    font-size: 1.4rem;
}

/* Depoimentos */

.section-testimonials {
    background-color: #050816;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.testimonial-card h3 {
    margin: 0 0 0.6rem 0;
    font-size: 1.05rem;
}

.testimonial-card p {
    margin: 0;
    color: var(--color-muted);
    font-size: 0.95rem;
}

/* Jogo da Cobrinha */

.section-snake {
    background-color: #020617;
}

.snake-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr);
    gap: 2rem;
    align-items: flex-start;
}

.snake-board-wrapper {
    background-color: #020617;
    border-radius: var(--radius-card);
    padding: 1.4rem 1.4rem 1.1rem;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(148, 163, 184, 0.15);
}

#snake-canvas {
    display: block;
    width: 100%;
    max-width: 420px;
    max-height: 50vh;
    height: auto;
    margin: 0 auto;
    border-radius: 12px;
    background: radial-gradient(circle at top, #020617 0, #000 55%, #020617 100%);
}

.snake-key-hint {
    margin: 0.8rem 0 0 0;
    font-size: 0.85rem;
    color: var(--color-muted);
}

.snake-panel {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.4rem 1.3rem;
    border-radius: var(--radius-card);
    background-color: #020617;
    border: 1px solid rgba(148, 163, 184, 0.25);
    box-shadow: var(--shadow-soft);
}

.snake-score-wrapper {
    display: inline-flex;
    align-items: baseline;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.snake-score-label {
    color: var(--color-muted);
}

.snake-score-value {
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--color-primary-neon);
}

.snake-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.snake-status {
    min-height: 1.2em;
    font-size: 0.9rem;
    color: var(--color-muted);
}

/* Calculadora de IMC / EMC */

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

.imc-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.8rem;
    align-items: flex-start;
}

.imc-card {
    background-color: #020617;
    border-radius: var(--radius-card);
    padding: 1.6rem 1.5rem;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(148, 163, 184, 0.18);
}

.imc-field-group {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    margin-bottom: 0.9rem;
}

.imc-label {
    font-size: 0.9rem;
    font-weight: 500;
}

.imc-field-group input[type="number"] {
    border-radius: 999px;
    border: 1px solid var(--color-border);
    padding: 0.7rem 1rem;
    font-size: 0.95rem;
    outline: none;
    background-color: #020617;
    color: var(--color-text);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.imc-field-group input[type="number"]:focus-visible {
    border-color: rgba(99, 102, 241, 0.9);
    box-shadow: 0 0 0 1px rgba(168, 85, 247, 0.55);
    background-color: #020617;
}

.imc-radio-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.imc-radio {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.9rem;
    cursor: pointer;
}

.imc-radio input[type="radio"] {
    accent-color: var(--color-primary);
}

.imc-submit {
    margin-top: 0.4rem;
}

.imc-result-card {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.imc-result-title {
    margin: 0 0 0.4rem 0;
    font-size: 1.05rem;
}

.imc-result-main {
    margin: 0;
    font-size: 0.98rem;
}

.imc-result-detail {
    margin: 0;
    font-size: 0.92rem;
    color: var(--color-muted);
}

.imc-result-tip {
    margin: 0.2rem 0 0 0;
    font-size: 0.85rem;
    color: var(--color-muted);
}

/* Jogo Pong */

.section-pong {
    background-color: #050816;
}

.pong-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr);
    gap: 2rem;
    align-items: flex-start;
}

.pong-board-wrapper {
    background-color: #020617;
    border-radius: var(--radius-card);
    padding: 1.2rem 1.2rem 1rem;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(148, 163, 184, 0.15);
}

#pong-canvas {
    display: block;
    width: 100%;
    max-width: 420px;
    max-height: 45vh;
    height: auto;
    margin: 0 auto;
    border-radius: 12px;
    background: radial-gradient(circle at top, #020617 0, #000 55%, #020617 100%);
}

.pong-key-hint {
    margin: 0.8rem 0 0 0;
    font-size: 0.85rem;
    color: var(--color-muted);
}

.pong-panel {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.3rem 1.3rem;
    border-radius: var(--radius-card);
    background-color: #020617;
    border: 1px solid rgba(148, 163, 184, 0.25);
    box-shadow: var(--shadow-soft);
}

.pong-score-wrapper {
    display: inline-flex;
    align-items: baseline;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.pong-score-label {
    color: var(--color-muted);
}

.pong-score-value {
    font-weight: 600;
    font-size: 1.15rem;
    color: var(--color-primary-neon);
}

.pong-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.pong-status {
    min-height: 1.2em;
    font-size: 0.9rem;
    color: var(--color-muted);
}

/* Contato */

.section-contact {
    background-color: #020617;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: flex-start;
}

.contact-form {
    background-color: #ffffff;
    border-radius: var(--radius-card);
    padding: 1.8rem 1.6rem;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(15, 23, 42, 0.03);
    display: grid;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    border-radius: 999px;
    border: 1px solid var(--color-border);
    padding: 0.7rem 1rem;
    font-size: 0.95rem;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
    background-color: #f9fafb;
}

.form-group textarea {
    border-radius: 18px;
    resize: vertical;
}

.form-group input:focus-visible,
.form-group textarea:focus-visible {
    border-color: rgba(99, 102, 241, 0.9);
    box-shadow: 0 0 0 1px rgba(168, 85, 247, 0.55);
    background-color: #ffffff;
}

.form-group input:focus-visible,
.form-group textarea:focus-visible {
    transform: translateY(0);
}

.contact-side {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.contact-side h3 {
    margin: 0;
    font-size: 1.15rem;
}

.contact-side p {
    margin: 0;
    color: var(--color-muted);
    font-size: 0.95rem;
}

.whatsapp-btn {
    align-self: flex-start;
}

.contact-note {
    font-size: 0.87rem;
    color: var(--color-muted);
}

/* Botão flutuante WhatsApp */

.floating-whatsapp {
    position: fixed;
    right: 1.25rem;
    bottom: 1.5rem;
    z-index: 60;
    width: 3.2rem;
    height: 3.2rem;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-image: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-neon) 50%, var(--color-accent-cyan) 100%);
    background-size: 200% 200%;
    color: #ffffff;
    font-weight: 700;
    font-size: 1.3rem;
    box-shadow: 0 0 18px rgba(99, 102, 241, 0.7), 0 18px 40px rgba(15, 23, 42, 1);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-position var(--transition-fast), opacity var(--transition-fast), visibility var(--transition-fast);
}

.floating-whatsapp span {
    transform: translateY(1px);
}

.floating-whatsapp:hover,
.floating-whatsapp:focus-visible {
    background-position: 100% 0;
    transform: translateY(-1px) scale(1.03);
    box-shadow: 0 0 24px rgba(168, 85, 247, 0.9), 0 22px 55px rgba(15, 23, 42, 1);
}

@media (max-width: 480px) {
    .floating-whatsapp {
        width: 3rem;
        height: 3rem;
        right: 1rem;
        bottom: 1.1rem;
    }
}

/* Footer */

.site-footer {
    background-color: #0f172a;
    color: #e5e7eb;
    padding: 1.6rem 0;
    margin-top: 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 0.88rem;
}

.footer-author a {
    color: var(--color-primary-neon);
}

.footer-author a:hover,
.footer-author a:focus-visible {
    text-decoration: underline;
}

.social-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.85rem;
    margin-top: 0.35rem;
}

.social-link {
    width: 1.9rem;
    height: 1.9rem;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(15, 23, 42, 0.85);
    color: #e5e7eb;
    box-shadow: 0 0 0 1px rgba(99, 102, 241, 0.45);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
}

.social-link svg {
    width: 1.05rem;
    height: 1.05rem;
}

.social-link:hover,
.social-link:focus-visible {
    background-color: rgba(15, 23, 42, 1);
    color: #ffffff;
    transform: translateY(-1px) scale(1.04);
    box-shadow: 0 0 12px rgba(168, 85, 247, 0.75);
}

/* Acessibilidade */

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid rgba(99, 102, 241, 0.95);
    outline-offset: 2px;
}

/* Reveal básico de seções com scroll */

.js-reveal-section {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.js-reveal-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsividade */

@media (min-width: 640px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .section {
        padding: 5rem 0;
    }

    .header-content {
        padding: 1rem 0;
    }
}

@media (min-width: 768px) {
    .about-grid {
        grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.2fr);
        gap: 3rem;
    }

    .services-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .testimonials-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .contact-grid {
        grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    }

    .imc-grid {
        grid-template-columns: minmax(0, 1.15fr) minmax(0, 1.1fr);
    }

    .pong-layout {
        grid-template-columns: minmax(0, 1.15fr) minmax(0, 1.1fr);
    }

    .hero-content {
        padding-top: 7rem;
        padding-bottom: 6rem;
    }
}

@media (max-width: 720px) {
    .main-nav ul {
        gap: 0.9rem;
        font-size: 0.85rem;
    }

    .logo {
        font-size: 0.9rem;
    }

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

    .experience-card {
        order: 1;
    }

    .experience-visual {
        order: 2;
        min-height: 220px;
        margin-top: 0.5rem;
    }
}

@media (min-width: 1024px) {
    .hero h1 {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }
}
/* DEBUG TIAGO FORÇANDO HERO (desativado pois a configuração principal já está correta) */