/* =========================================================
   CONFIGURAÇÕES GERAIS
========================================================= */

:root {
    --background-primary: #070b14;
    --background-secondary: #0b1220;

    --background-card: rgba(15, 25, 43, 0.78);
    --background-card-hover: rgba(19, 33, 56, 0.94);

    --border-color: rgba(123, 181, 255, 0.14);
    --border-highlight: rgba(50, 174, 255, 0.55);

    --text-primary: #f4f8ff;
    --text-secondary: #a9b7cc;
    --text-muted: #718097;

    --accent-primary: #2aa8ff;
    --accent-secondary: #36e0ff;
    --accent-dark: #0a6dcc;
    --accent-success: #4be3a3;

    --shadow-primary: 0 20px 60px rgba(0, 0, 0, 0.35);
    --shadow-accent: 0 0 35px rgba(42, 168, 255, 0.18);

    --container-width: 1180px;
    --header-height: 74px;

    --transition-fast: 180ms ease;
    --transition-normal: 300ms ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
    min-height: 100vh;

    color: var(--text-primary);

    background:
        linear-gradient(
            rgba(7, 11, 20, 0.94),
            rgba(7, 11, 20, 0.98)
        ),
        linear-gradient(
            90deg,
            rgba(42, 168, 255, 0.035) 1px,
            transparent 1px
        ),
        linear-gradient(
            rgba(42, 168, 255, 0.035) 1px,
            transparent 1px
        );

    background-size:
        auto,
        38px 38px,
        38px 38px;

    font-family:
        Inter,
        "Segoe UI",
        Roboto,
        Helvetica,
        Arial,
        sans-serif;

    line-height: 1.65;
    overflow-x: hidden;
}

body::before {
    content: "";

    position: fixed;
    inset: 0;

    background:
        radial-gradient(
            circle at 16% 14%,
            rgba(42, 168, 255, 0.13),
            transparent 30%
        ),
        radial-gradient(
            circle at 88% 22%,
            rgba(54, 224, 255, 0.08),
            transparent 27%
        );

    pointer-events: none;
    z-index: -1;
}

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

ul {
    list-style: none;
}

button {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

img {
    max-width: 100%;
}

strong {
    color: var(--text-primary);
}

::selection {
    color: #ffffff;
    background: rgba(42, 168, 255, 0.55);
}


/* =========================================================
   ACESSIBILIDADE
========================================================= */

a:focus-visible,
button:focus-visible {
    outline: 3px solid var(--accent-secondary);
    outline-offset: 4px;
}

.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;

    padding: 12px 18px;

    color: #03101e;
    background: var(--accent-secondary);

    border-radius: 8px;

    font-weight: 800;

    transform: translateY(-160%);
    transition: transform var(--transition-fast);

    z-index: 2000;
}

.skip-link:focus {
    transform: translateY(0);
}

.noscript-message {
    position: fixed;
    right: 16px;
    bottom: 16px;

    max-width: 380px;
    padding: 14px 18px;

    color: var(--text-primary);
    background: #19263a;

    border: 1px solid var(--border-highlight);
    border-radius: 10px;

    box-shadow: var(--shadow-primary);

    z-index: 2000;
}


/* =========================================================
   CABEÇALHO E NAVEGAÇÃO
========================================================= */

.header {
    position: fixed;
    top: 0;
    left: 0;

    width: 100%;
    height: var(--header-height);

    background: rgba(7, 11, 20, 0.78);
    border-bottom: 1px solid var(--border-color);

    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);

    z-index: 1000;
}

.header.scrolled {
    background: rgba(7, 11, 20, 0.94);
    border-bottom-color: rgba(42, 168, 255, 0.22);

    box-shadow:
        0 12px 35px rgba(0, 0, 0, 0.2),
        0 1px 0 rgba(42, 168, 255, 0.05);
}

.navbar {
    width: min(calc(100% - 40px), var(--container-width));
    height: 100%;

    margin: 0 auto;

    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 11px;

    color: var(--text-primary);

    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 0.08em;

    transition:
        transform var(--transition-fast),
        opacity var(--transition-fast);
}

.logo:hover {
    transform: translateY(-2px);
}

.logo-icon {
    display: block;

    width: 40px;
    height: 40px;

    flex-shrink: 0;

    object-fit: contain;

    filter: drop-shadow(
        0 0 10px rgba(42, 168, 255, 0.22)
    );
}

.logo-name {
    display: inline-flex;
    align-items: center;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-links a {
    position: relative;

    color: var(--text-secondary);

    font-size: 0.9rem;
    font-weight: 600;

    transition:
        color var(--transition-fast),
        transform var(--transition-fast);
}

.nav-links a::after {
    content: "";

    position: absolute;
    left: 0;
    bottom: -8px;

    width: 100%;
    height: 2px;

    background: linear-gradient(
        90deg,
        var(--accent-primary),
        var(--accent-secondary)
    );

    transform: scaleX(0);
    transform-origin: right;

    transition: transform var(--transition-normal);
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-links a.active {
    color: var(--accent-secondary);
}

.menu-button {
    display: none;

    width: 42px;
    height: 42px;

    background: transparent;

    border: 1px solid var(--border-color);
    border-radius: 10px;

    cursor: pointer;
}

.menu-button span {
    display: block;

    width: 21px;
    height: 2px;

    margin: 5px auto;

    background: var(--text-primary);
    border-radius: 20px;

    transition:
        transform var(--transition-normal),
        opacity var(--transition-normal);
}

.menu-button.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-button.active span:nth-child(2) {
    opacity: 0;
}

.menu-button.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}


/* =========================================================
   BOTÕES
========================================================= */

.button {
    min-height: 48px;
    padding: 12px 22px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    border: 1px solid transparent;
    border-radius: 10px;

    font-size: 0.94rem;
    font-weight: 700;
    letter-spacing: 0.01em;

    transition:
        transform var(--transition-fast),
        background var(--transition-fast),
        border-color var(--transition-fast),
        box-shadow var(--transition-fast);
}

.button:hover {
    transform: translateY(-3px);
}

.button-primary {
    color: #03101e;

    background: linear-gradient(
        135deg,
        var(--accent-primary),
        var(--accent-secondary)
    );

    box-shadow: 0 12px 30px rgba(42, 168, 255, 0.2);
}

.button-primary:hover {
    box-shadow: 0 16px 36px rgba(42, 168, 255, 0.32);
}

.button-secondary {
    color: var(--text-primary);

    background: rgba(255, 255, 255, 0.025);
    border-color: var(--border-color);
}

.button-secondary:hover {
    background: rgba(42, 168, 255, 0.08);
    border-color: var(--border-highlight);
}


/* =========================================================
   HERO
========================================================= */

.hero {
    width: min(calc(100% - 40px), var(--container-width));
    min-height: 100vh;

    margin: 0 auto;

    padding:
        calc(var(--header-height) + 90px)
        0
        90px;

    display: grid;

    grid-template-columns:
        minmax(0, 1.08fr)
        minmax(360px, 0.92fr);

    align-items: center;
    gap: 80px;
}

.hero-content {
    animation: fade-up 800ms ease both;
}

.hero-tag {
    margin-bottom: 12px;

    color: var(--accent-secondary);

    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.hero h1 {
    font-size: clamp(3.3rem, 8vw, 6.7rem);
    line-height: 0.95;
    letter-spacing: -0.055em;

    background: linear-gradient(
        110deg,
        #ffffff 8%,
        #d5ecff 46%,
        var(--accent-secondary) 100%
    );

    background-clip: text;
    -webkit-background-clip: text;

    color: transparent;
}

.hero h2 {
    max-width: 720px;
    margin-top: 25px;

    color: var(--text-primary);

    font-size: clamp(1.35rem, 3vw, 2.1rem);
    line-height: 1.25;
    letter-spacing: -0.025em;
}

.hero h2 span {
    display: block;
    margin-top: 6px;

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

.hero-description {
    max-width: 660px;
    margin-top: 24px;

    color: var(--text-secondary);

    font-size: 1.05rem;
}

.hero-actions {
    margin-top: 34px;

    display: flex;
    flex-wrap: wrap;
    gap: 13px;
}

.hero-visual {
    position: relative;

    display: flex;
    justify-content: center;

    animation: fade-up 900ms 100ms ease both;
}

.hero-visual::before {
    content: "";

    position: absolute;
    top: 50%;
    left: 50%;

    width: 390px;
    height: 390px;

    background: radial-gradient(
        circle,
        rgba(42, 168, 255, 0.25),
        transparent 68%
    );

    filter: blur(18px);

    transform: translate(-50%, -50%);
    z-index: -1;
}

.code-card {
    width: 100%;
    max-width: 500px;

    overflow: hidden;

    background:
        linear-gradient(
            145deg,
            rgba(18, 31, 52, 0.97),
            rgba(8, 15, 27, 0.97)
        );

    border: 1px solid rgba(87, 184, 255, 0.27);
    border-radius: 18px;

    box-shadow:
        var(--shadow-primary),
        var(--shadow-accent);

    transform:
        perspective(900px)
        rotateY(-5deg)
        rotateX(2deg);

    transition:
        transform var(--transition-normal),
        border-color var(--transition-normal);
}

.code-card:hover {
    border-color: var(--border-highlight);

    transform:
        perspective(900px)
        rotateY(0deg)
        rotateX(0deg);
}

.code-card-header {
    height: 47px;
    padding: 0 17px;

    display: flex;
    align-items: center;
    gap: 8px;

    background: rgba(255, 255, 255, 0.025);
    border-bottom: 1px solid var(--border-color);
}

.code-card-header span {
    width: 11px;
    height: 11px;

    border-radius: 50%;
}

.code-card-header span:nth-child(1) {
    background: #ff5f57;
}

.code-card-header span:nth-child(2) {
    background: #ffbd2e;
}

.code-card-header span:nth-child(3) {
    background: #28c840;
}

.code-card pre {
    padding: 30px;

    overflow-x: auto;

    color: #cce8ff;

    font-family:
        "Cascadia Code",
        "Fira Code",
        Consolas,
        monospace;

    font-size: 0.94rem;
    line-height: 1.8;
}


/* =========================================================
   SEÇÕES
========================================================= */

.section {
    width: min(calc(100% - 40px), var(--container-width));

    margin: 0 auto;
    padding: 105px 0;
}

.section-alt {
    position: relative;
}

.section-alt::before {
    content: "";

    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;

    width: 100vw;

    background: rgba(13, 22, 38, 0.5);

    border-top: 1px solid rgba(123, 181, 255, 0.07);
    border-bottom: 1px solid rgba(123, 181, 255, 0.07);

    transform: translateX(-50%);
    z-index: -1;
}

.section-heading {
    margin-bottom: 48px;

    display: flex;
    align-items: center;
    gap: 16px;
}

.section-heading::after {
    content: "";

    width: min(300px, 25vw);
    height: 1px;

    margin-left: 8px;

    background: linear-gradient(
        90deg,
        var(--border-highlight),
        transparent
    );
}

.section-number {
    color: var(--accent-secondary);

    font-family:
        "Cascadia Code",
        Consolas,
        monospace;

    font-size: 0.94rem;
    font-weight: 700;
}

.section-heading h2 {
    font-size: clamp(1.9rem, 4vw, 2.65rem);
    line-height: 1.1;
    letter-spacing: -0.035em;
}


/* =========================================================
   SOBRE
========================================================= */

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 44px;
}

.about-content p {
    color: var(--text-secondary);
    font-size: 1.04rem;
}

.about-content p + p {
    margin-top: 21px;
}

.about-card {
    padding: 30px;

    background: var(--background-card);

    border: 1px solid var(--border-color);
    border-radius: 16px;

    box-shadow: var(--shadow-primary);
}

.about-card h3 {
    margin-bottom: 22px;
    font-size: 1.15rem;
}

.about-card ul {
    display: grid;
    gap: 16px;
}

.about-card li {
    padding-bottom: 14px;

    color: var(--text-secondary);

    border-bottom: 1px solid rgba(123, 181, 255, 0.08);
}

.about-card li:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}


/* =========================================================
   TECNOLOGIAS
========================================================= */

.technology-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.technology-card {
    min-height: 235px;
    padding: 27px;

    background: var(--background-card);

    border: 1px solid var(--border-color);
    border-radius: 15px;

    transition:
        transform var(--transition-normal),
        background var(--transition-normal),
        border-color var(--transition-normal),
        box-shadow var(--transition-normal);
}

.technology-card:hover {
    background: var(--background-card-hover);
    border-color: var(--border-highlight);

    box-shadow: var(--shadow-accent);

    transform: translateY(-7px);
}

.technology-card h3 {
    margin-bottom: 22px;

    color: var(--accent-secondary);
    font-size: 1.12rem;
}

.technology-card ul {
    display: grid;
    gap: 11px;
}

.technology-card li {
    position: relative;
    padding-left: 18px;

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

.technology-card li::before {
    content: "";

    position: absolute;
    top: 0.68em;
    left: 0;

    width: 6px;
    height: 6px;

    background: var(--accent-primary);
    border-radius: 50%;

    box-shadow: 0 0 10px var(--accent-primary);
}


/* =========================================================
   PROJETOS
========================================================= */

.projects-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 24px;
}

.project-card {
    position: relative;

    padding: 34px;

    overflow: hidden;

    background: var(--background-card);

    border: 1px solid var(--border-color);
    border-radius: 18px;

    box-shadow: var(--shadow-primary);

    transition:
        transform var(--transition-normal),
        border-color var(--transition-normal),
        background var(--transition-normal);
}

.project-card:hover {
    background: var(--background-card-hover);
    border-color: var(--border-highlight);

    transform: translateY(-6px);
}

.project-featured::before {
    content: "";

    position: absolute;
    top: 0;
    right: 0;

    width: 160px;
    height: 160px;

    background: radial-gradient(
        circle at top right,
        rgba(42, 168, 255, 0.22),
        transparent 70%
    );
}

.project-header {
    position: relative;
    z-index: 1;
}

.project-status {
    display: inline-flex;

    margin-bottom: 16px;
    padding: 6px 11px;

    color: var(--accent-secondary);
    background: rgba(54, 224, 255, 0.07);

    border: 1px solid rgba(54, 224, 255, 0.18);
    border-radius: 100px;

    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.project-card h3 {
    margin-bottom: 14px;

    font-size: 1.45rem;
    letter-spacing: -0.025em;
}

.project-card > p {
    color: var(--text-secondary);
}

.project-features {
    margin-top: 24px;

    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 11px 18px;
}

.project-features li {
    position: relative;
    padding-left: 18px;

    color: var(--text-secondary);
    font-size: 0.92rem;
}

.project-features li::before {
    content: "✓";

    position: absolute;
    left: 0;

    color: var(--accent-success);
    font-weight: 800;
}

.project-technologies {
    margin-top: 26px;

    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.project-technologies span {
    padding: 7px 11px;

    color: #c8eaff;
    background: rgba(42, 168, 255, 0.07);

    border: 1px solid rgba(42, 168, 255, 0.14);
    border-radius: 7px;

    font-size: 0.78rem;
    font-weight: 700;
}

.project-link {
    display: inline-flex;
    margin-top: 28px;

    color: var(--accent-secondary);
    font-weight: 800;
}

.project-link::after {
    content: "→";

    margin-left: 8px;

    transition: transform var(--transition-fast);
}

.project-link:hover::after {
    transform: translateX(5px);
}


/* =========================================================
   JORNADA TÉCNICA
========================================================= */

.timeline {
    position: relative;
    max-width: 870px;
}

.timeline::before {
    content: "";

    position: absolute;
    top: 8px;
    bottom: 8px;
    left: 10px;

    width: 2px;

    background: linear-gradient(
        var(--accent-primary),
        rgba(54, 224, 255, 0.15)
    );
}

.timeline-item {
    position: relative;
    padding-left: 54px;
}

.timeline-item + .timeline-item {
    margin-top: 38px;
}

.timeline-marker {
    position: absolute;
    top: 6px;
    left: 2px;

    width: 18px;
    height: 18px;

    background: var(--background-primary);

    border: 3px solid var(--accent-primary);
    border-radius: 50%;

    box-shadow: 0 0 18px rgba(42, 168, 255, 0.55);
}

.timeline-content {
    padding: 25px 28px;

    background: var(--background-card);

    border: 1px solid var(--border-color);
    border-radius: 15px;

    transition:
        transform var(--transition-normal),
        border-color var(--transition-normal);
}

.timeline-content:hover {
    border-color: var(--border-highlight);
    transform: translateX(7px);
}

.timeline-stage {
    color: var(--accent-secondary);

    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.timeline-content h3 {
    margin-top: 8px;
    font-size: 1.2rem;
}

.timeline-content p {
    margin-top: 8px;
    color: var(--text-secondary);
}


/* =========================================================
   FORMAÇÃO
========================================================= */

.education-card {
    padding: 34px;

    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    align-items: center;
    gap: 40px;

    background: var(--background-card);

    border: 1px solid var(--border-color);
    border-radius: 17px;

    box-shadow: var(--shadow-primary);
}

.education-period {
    color: var(--accent-secondary);

    font-family:
        "Cascadia Code",
        Consolas,
        monospace;

    font-size: 0.82rem;
    font-weight: 700;
}

.education-card h3 {
    margin-top: 8px;
    font-size: 1.55rem;
}

.education-card > div p,
.education-description {
    color: var(--text-secondary);
}

.education-description {
    padding-left: 35px;
    border-left: 1px solid var(--border-color);
}


/* =========================================================
   CERTIFICAÇÕES — APRESENTAÇÃO
========================================================= */

.certificates-introduction {
    max-width: 760px;

    margin-top: -22px;
    margin-bottom: 34px;

    color: var(--text-secondary);

    font-size: 1.03rem;
    line-height: 1.75;
}


/* =========================================================
   CERTIFICAÇÕES — FILTROS
========================================================= */

.certificates-filter {
    margin-bottom: 34px;

    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 11px;
}

.certificate-filter-button {
    min-height: 42px;
    padding: 9px 18px;

    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.025);

    border: 1px solid var(--border-color);
    border-radius: 9px;

    font-size: 0.88rem;
    font-weight: 700;

    cursor: pointer;

    transition:
        color var(--transition-fast),
        background var(--transition-fast),
        border-color var(--transition-fast),
        transform var(--transition-fast),
        box-shadow var(--transition-fast);
}

.certificate-filter-button:hover {
    color: var(--text-primary);

    background: rgba(42, 168, 255, 0.08);
    border-color: var(--border-highlight);

    transform: translateY(-2px);
}

.certificate-filter-button.active {
    color: #03101e;

    background: linear-gradient(
        135deg,
        var(--accent-primary),
        var(--accent-secondary)
    );

    border-color: transparent;

    box-shadow:
        0 10px 28px rgba(42, 168, 255, 0.2),
        0 0 18px rgba(54, 224, 255, 0.08);
}


/* =========================================================
   CERTIFICAÇÕES — GRADE
========================================================= */

.certificates-grid {
    display: grid;
    gap: 26px;
}

.certificate-card {
    position: relative;

    display: grid;

    grid-template-columns:
        minmax(320px, 0.95fr)
        minmax(0, 1.05fr);

    align-items: stretch;

    overflow: hidden;

    background:
        linear-gradient(
            145deg,
            rgba(18, 31, 52, 0.94),
            rgba(8, 15, 27, 0.97)
        );

    border: 1px solid var(--border-color);
    border-radius: 19px;

    box-shadow: var(--shadow-primary);

    transition:
        transform var(--transition-normal),
        border-color var(--transition-normal),
        box-shadow var(--transition-normal),
        background var(--transition-normal);
}

.certificate-card::before {
    content: "";

    position: absolute;
    top: 0;
    right: 0;

    width: 210px;
    height: 210px;

    background: radial-gradient(
        circle at top right,
        rgba(42, 168, 255, 0.18),
        transparent 72%
    );

    pointer-events: none;
}

.certificate-card:hover {
    background:
        linear-gradient(
            145deg,
            rgba(20, 36, 60, 0.97),
            rgba(9, 17, 30, 0.98)
        );

    border-color: var(--border-highlight);

    box-shadow:
        var(--shadow-primary),
        var(--shadow-accent);

    transform: translateY(-6px);
}

.certificate-card.is-hidden,
.certificate-card[hidden] {
    display: none;
}


/* =========================================================
   CERTIFICAÇÕES — IMAGEM COMPLETA COM FUNDO PREENCHIDO
========================================================= */

.certificate-preview {
    position: relative;

    width: 100%;
    min-height: 100%;

    display: flex;
    align-items: center;
    justify-content: center;

    overflow: hidden;
    isolation: isolate;

    background: #050b13;

    border-right: 1px solid var(--border-color);
}

/*
Fundo ampliado e desfocado.

O caminho parte de assets/css/style.css.
Por isso é utilizado ../certificates/.
*/
.certificate-preview::before {
    content: "";

    position: absolute;
    inset: -24px;

    background-image:
        url("../certificates/college/certificado-projeto-integrador-slfood-impacta-2026-publico.png");

    background-size: cover;
    background-position: center;

    filter:
        blur(20px)
        brightness(0.32)
        saturate(0.8);

    transform: scale(1.08);

    z-index: -2;
}

.certificate-preview::after {
    content: "Abrir certificado";

    position: absolute;
    left: 50%;
    bottom: 18px;

    padding: 9px 15px;

    color: #03101e;

    background: linear-gradient(
        135deg,
        var(--accent-primary),
        var(--accent-secondary)
    );

    border-radius: 8px;

    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.025em;
    white-space: nowrap;

    opacity: 0;

    transform: translate(-50%, 10px);

    transition:
        opacity var(--transition-normal),
        transform var(--transition-normal);

    pointer-events: none;

    z-index: 3;
}

.certificate-preview:hover::after {
    opacity: 1;
    transform: translate(-50%, 0);
}

.certificate-image {
    position: relative;

    display: block;

    width: 100%;
    height: 100%;

    object-fit: contain;
    object-position: center;

    z-index: 1;

    transition:
        transform 450ms ease,
        filter 450ms ease;
}

.certificate-preview:hover .certificate-image {
    transform: scale(1.015);

    filter:
        brightness(0.72)
        saturate(0.92);
}


/* =========================================================
   CERTIFICAÇÕES — CONTEÚDO
========================================================= */

.certificate-content {
    position: relative;

    min-height: 100%;
    padding: 34px;

    display: flex;
    flex-direction: column;
    align-items: flex-start;

    z-index: 1;
}

.certificate-header {
    width: 100%;
    margin-bottom: 17px;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
}

.certificate-type {
    display: inline-flex;
    align-items: center;

    padding: 6px 11px;

    color: var(--accent-secondary);
    background: rgba(54, 224, 255, 0.07);

    border: 1px solid rgba(54, 224, 255, 0.18);
    border-radius: 100px;

    font-size: 0.73rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.certificate-date {
    color: var(--text-muted);

    font-family:
        "Cascadia Code",
        Consolas,
        monospace;

    font-size: 0.84rem;
    font-weight: 700;
}

.certificate-content h3 {
    max-width: 650px;

    font-size: clamp(1.35rem, 3vw, 1.85rem);
    line-height: 1.25;
    letter-spacing: -0.03em;
}

.certificate-institution {
    margin-top: 8px;

    color: var(--accent-secondary);

    font-size: 0.94rem;
    font-weight: 700;
}

.certificate-description {
    margin-top: 18px;

    color: var(--text-secondary);

    line-height: 1.75;
}


/* =========================================================
   CERTIFICAÇÕES — DETALHES
========================================================= */

.certificate-details {
    width: 100%;
    margin-top: 24px;

    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 11px 22px;
}

.certificate-details li {
    position: relative;

    padding-left: 17px;

    color: var(--text-secondary);

    font-size: 0.88rem;
}

.certificate-details li::before {
    content: "";

    position: absolute;
    top: 0.68em;
    left: 0;

    width: 6px;
    height: 6px;

    background: var(--accent-primary);
    border-radius: 50%;

    box-shadow: 0 0 9px var(--accent-primary);
}

.certificate-details strong {
    color: var(--text-primary);
}


/* =========================================================
   CERTIFICAÇÕES — COMPETÊNCIAS
========================================================= */

.certificate-skills {
    margin-top: 25px;

    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.certificate-skills span {
    padding: 7px 10px;

    color: #c8eaff;
    background: rgba(42, 168, 255, 0.07);

    border: 1px solid rgba(42, 168, 255, 0.14);
    border-radius: 7px;

    font-size: 0.75rem;
    font-weight: 700;

    transition:
        background var(--transition-fast),
        border-color var(--transition-fast),
        transform var(--transition-fast);
}

.certificate-skills span:hover {
    background: rgba(42, 168, 255, 0.12);
    border-color: rgba(42, 168, 255, 0.32);

    transform: translateY(-2px);
}


/* =========================================================
   CERTIFICAÇÕES — LINK
========================================================= */

.certificate-link {
    margin-top: 30px;

    display: inline-flex;
    align-items: center;
    gap: 8px;

    color: var(--accent-secondary);

    font-size: 0.92rem;
    font-weight: 800;

    transition:
        color var(--transition-fast),
        transform var(--transition-fast);
}

.certificate-link::after {
    content: "↗";

    font-size: 1rem;

    transition: transform var(--transition-fast);
}

.certificate-link:hover {
    color: var(--text-primary);
    transform: translateY(-2px);
}

.certificate-link:hover::after {
    transform: translate(3px, -3px);
}


/* =========================================================
   CERTIFICAÇÕES — CATEGORIA VAZIA
========================================================= */

.certificates-empty {
    margin-top: 22px;
    padding: 26px;

    color: var(--text-secondary);
    background: var(--background-card);

    border: 1px dashed var(--border-highlight);
    border-radius: 14px;

    text-align: center;
}

.certificates-empty[hidden] {
    display: none;
}


/* =========================================================
   CONTATO
========================================================= */

.contact-section {
    padding-top: 125px;
    padding-bottom: 125px;

    text-align: center;
}

.contact-content {
    max-width: 780px;
    margin: 0 auto;
}

.contact-content h2 {
    margin-top: 11px;

    font-size: clamp(2.4rem, 6vw, 4.7rem);
    line-height: 1.05;
    letter-spacing: -0.05em;
}

.contact-content p {
    max-width: 660px;

    margin: 24px auto 0;

    color: var(--text-secondary);
    font-size: 1.04rem;
}

.contact-actions {
    margin-top: 34px;

    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 13px;
}


/* =========================================================
   RODAPÉ
========================================================= */

.footer {
    width: min(calc(100% - 40px), var(--container-width));

    margin: 0 auto;
    padding: 34px 0;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 25px;

    color: var(--text-muted);

    border-top: 1px solid var(--border-color);

    font-size: 0.84rem;
}

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


/* =========================================================
   ANIMAÇÕES
========================================================= */

@keyframes fade-up {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reveal {
    opacity: 0;

    transform: translateY(28px);

    transition:
        opacity 650ms ease var(--reveal-delay, 0ms),
        transform 650ms ease var(--reveal-delay, 0ms);
}

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

.certificate-card.reveal {
    opacity: 0;

    transform: translateY(28px);

    transition:
        opacity 650ms ease var(--reveal-delay, 0ms),
        transform 650ms ease var(--reveal-delay, 0ms),
        border-color var(--transition-normal),
        box-shadow var(--transition-normal);
}

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


/* =========================================================
   RESPONSIVIDADE — MENU INTERMEDIÁRIO
========================================================= */

@media (min-width: 781px) and (max-width: 1180px) {
    .nav-links {
        gap: 15px;
    }

    .nav-links a {
        font-size: 0.8rem;
    }

    .logo {
        gap: 8px;
        font-size: 1.02rem;
    }

    .logo-icon {
        width: 34px;
        height: 34px;
    }
}


/* =========================================================
   RESPONSIVIDADE — TABLETS
========================================================= */

@media (max-width: 1000px) {
    .hero {
        grid-template-columns: 1fr;
        gap: 65px;

        padding-top: calc(var(--header-height) + 110px);
    }

    .hero-content {
        max-width: 800px;
    }

    .hero-visual {
        max-width: 620px;
        margin: 0 auto;
    }

    .technology-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .certificate-card {
        grid-template-columns: 1fr;
    }

    .certificate-preview {
        min-height: auto;
        aspect-ratio: 4 / 3;

        border-right: 0;
        border-bottom: 1px solid var(--border-color);
    }
}


/* =========================================================
   RESPONSIVIDADE — MENU MÓVEL
========================================================= */

@media (max-width: 780px) {
    :root {
        --header-height: 68px;
    }

    .navbar {
        width: min(calc(100% - 28px), var(--container-width));
    }

    .logo {
        gap: 8px;
        font-size: 1.06rem;
    }

    .logo-icon {
        width: 35px;
        height: 35px;
    }

    .menu-button {
        display: block;
    }

    .nav-links {
        position: absolute;
        top: calc(var(--header-height) + 1px);
        left: 0;

        width: 100%;
        padding: 22px;

        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;

        background: rgba(7, 11, 20, 0.98);
        border-bottom: 1px solid var(--border-color);

        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        width: min(100%, 720px);
        margin: 0 auto;
    }

    .nav-links a {
        display: block;

        padding: 14px 8px;

        border-bottom: 1px solid rgba(123, 181, 255, 0.08);
    }

    .nav-links a::after {
        display: none;
    }

    .nav-links a.active {
        color: var(--accent-secondary);
        background: rgba(42, 168, 255, 0.06);
    }

    .hero,
    .section,
    .footer {
        width: min(calc(100% - 28px), var(--container-width));
    }

    .hero {
        padding-bottom: 70px;
    }

    .hero h1 {
        font-size: clamp(3rem, 17vw, 5rem);
    }

    .hero-actions .button {
        flex: 1 1 160px;
    }

    .code-card {
        transform: none;
    }

    .section {
        padding: 80px 0;
    }

    .section-heading {
        margin-bottom: 36px;
    }

    .section-heading::after {
        flex: 1;
    }

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

    .education-card {
        grid-template-columns: 1fr;
        gap: 26px;
    }

    .education-description {
        padding-top: 25px;
        padding-left: 0;

        border-top: 1px solid var(--border-color);
        border-left: 0;
    }

    .footer {
        flex-direction: column;
        align-items: flex-start;
    }
}


/* =========================================================
   RESPONSIVIDADE — CERTIFICAÇÕES
========================================================= */

@media (max-width: 620px) {
    .certificates-introduction {
        margin-top: -12px;
        margin-bottom: 27px;

        font-size: 0.96rem;
    }

    .certificates-filter {
        display: grid;
        grid-template-columns: 1fr;
    }

    .certificate-filter-button {
        width: 100%;
    }

    .certificate-content {
        min-height: 0;
        padding: 27px 22px;
    }

    .certificate-header {
        align-items: flex-start;
    }

    .certificate-content h3 {
        font-size: 1.35rem;
    }

    .certificate-details {
        grid-template-columns: 1fr;
    }

    .certificate-preview::after {
        display: none;
    }
}


/* =========================================================
   RESPONSIVIDADE — CELULARES
========================================================= */

@media (max-width: 540px) {
    .hero {
        padding-top: calc(var(--header-height) + 75px);
    }

    .hero h2 {
        font-size: 1.3rem;
    }

    .hero-description {
        font-size: 0.97rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .button {
        width: 100%;
        flex: none;
    }

    .code-card pre {
        padding: 23px;
        font-size: 0.78rem;
    }

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

    .technology-card {
        min-height: 0;
    }

    .project-card {
        padding: 27px 23px;
    }

    .project-features {
        grid-template-columns: 1fr;
    }

    .timeline-item {
        padding-left: 40px;
    }

    .timeline-content {
        padding: 22px;
    }

    .contact-actions {
        flex-direction: column;
    }

    .contact-actions .button {
        width: 100%;
    }
}


/* =========================================================
   ACESSIBILIDADE — MOVIMENTO REDUZIDO
========================================================= */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal,
    .certificate-card.reveal {
        opacity: 1;
        transform: none;
    }
}