/* ==========================================================
   Mateus Simões da Rosa — Portfólio
   Conceito visual: prancheta de desenho técnico (blueprint)
   ========================================================== */

:root {
    --bp-bg: #14304D;
    --bp-bg-deep: #0B2238;
    --bp-bg-raised: #1B3B5C;
    --bp-line: #E7F0FB;
    --bp-line-dim: #7E9CB8;
    --bp-line-faint: rgba(231, 240, 251, 0.08);
    --bp-amber: #E8A33D;
    --bp-amber-dim: #B97F2C;

    --font-display: 'IBM Plex Mono', 'Courier New', monospace;
    --font-body: 'IBM Plex Sans', system-ui, sans-serif;

    --max-width: 920px;
    --space-1: 0.5rem;
    --space-2: 1rem;
    --space-3: 1.75rem;
    --space-4: 3rem;
    --space-5: 5rem;
}

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

html { scroll-behavior: smooth; }

section[id] { scroll-margin-top: 72px; }

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

body {
    margin: 0;
    background-color: var(--bp-bg);
    color: var(--bp-line);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.01em;
}

a { color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }

/* ---------- Acessibilidade ---------- */

.skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    background: var(--bp-amber);
    color: var(--bp-bg-deep);
    padding: 0.6rem 1rem;
    font-family: var(--font-display);
    font-weight: 600;
    z-index: 100;
}
.skip-link:focus {
    left: var(--space-2);
    top: var(--space-2);
}

:focus-visible {
    outline: 2px dashed var(--bp-amber);
    outline-offset: 4px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ---------- Topbar ---------- */

.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(20, 48, 77, 0.85);
    backdrop-filter: blur(6px);
    border-bottom: 1px dashed var(--bp-line-faint);
}

.topbar__inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-2) var(--space-3);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.seal { display: inline-flex; }
.seal__logo { width: auto; height: 30px; }

.topnav { display: flex; gap: var(--space-3); }
.topnav a {
    font-family: var(--font-display);
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--bp-line-dim);
    border-bottom: 1px solid transparent;
    padding-bottom: 2px;
    transition: color 0.2s ease, border-color 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.topnav a:hover { color: var(--bp-amber); border-color: var(--bp-amber); }

/* ---------- Hero ---------- */

.hero {
    position: relative;
    padding: var(--space-5) var(--space-3) var(--space-4);
    overflow: hidden;
}

.hero__grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
            linear-gradient(var(--bp-line-faint) 1px, transparent 1px),
            linear-gradient(90deg, var(--bp-line-faint) 1px, transparent 1px);
    background-size: 32px 32px;
    mask-image: linear-gradient(to bottom, black, transparent 85%);
    pointer-events: none;
}

.hero__inner {
    position: relative;
    max-width: var(--max-width);
    margin: 0 auto;
}

.eyebrow {
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    color: var(--bp-amber);
    margin: 0 0 var(--space-2);
}

.hero__photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--bp-bg-deep);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    margin-bottom: var(--space-3);
}

.hero__name {
    font-size: clamp(2.5rem, 6vw, 4rem);
    line-height: 1.1;
    color: var(--bp-line);
}

.hero__line {
    width: 100%;
    max-width: 420px;
    height: 12px;
    display: block;
    margin: var(--space-2) 0;
}
.hero__line path {
    fill: none;
    stroke: var(--bp-amber);
    stroke-width: 2;
    stroke-linecap: round;
}

.hero__role {
    font-family: var(--font-display);
    font-size: 1.05rem;
    color: var(--bp-line);
    margin: var(--space-2) 0 var(--space-1);
}

.hero__pitch {
    max-width: 600px;
    color: var(--bp-line-dim);
    margin: 0 0 var(--space-4);
}

/* ---------- Title block ---------- */

.titleblock {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    border: 1px solid var(--bp-line-faint);
}

/* Variação para estudos de caso (4 colunas) */
.titleblock--alt {
    grid-template-columns: repeat(4, 1fr);
}

.titleblock__cell {
    padding: var(--space-2);
    border-right: 1px solid var(--bp-line-faint);
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.titleblock__cell:last-child { border-right: none; }

.titleblock__label {
    font-family: var(--font-display);
    font-size: 0.65rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--bp-line-dim);
}
.titleblock__value {
    font-family: var(--font-display);
    font-size: 0.85rem;
    color: var(--bp-line);
}

/* ---------- Sheets ---------- */

.sheet {
    border-top: 1px dashed var(--bp-line-faint);
    padding: var(--space-4) var(--space-3);
}

.sheet--alt,
.sheet--projects,
.sheet--contact {
    background: var(--bp-bg-deep);
}

.sheet__inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.sheet__tag {
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    color: var(--bp-amber);
    margin: 0 0 var(--space-2);
}

.sheet h2 {
    font-size: clamp(1.5rem, 4vw, 2.1rem);
    margin-bottom: var(--space-3);
}

.sheet h3 {
    font-size: 1.2rem;
    color: var(--bp-amber);
    margin: var(--space-3) 0 var(--space-1);
}

.sheet__text {
    max-width: 720px;
    color: var(--bp-line-dim);
    margin: 0 0 var(--space-2);
}

.stacklist {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
    margin-top: var(--space-2);
}
.stacklist li {
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 0.04em;
    color: var(--bp-line);
    border: 1px solid var(--bp-line-faint);
    padding: 0.35rem 0.7rem;
}

/* ---------- Projects Cards ---------- */

.projects {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-3);
}

.project {
    position: relative;
    border: 1px solid var(--bp-line-faint);
    background: var(--bp-bg);
    padding: var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    transition: border-color 0.25s ease, transform 0.25s ease;
}

.project:hover,
.project:focus-within {
    border-color: var(--bp-amber);
    transform: translateY(-3px);
}

.project__head {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
}

.project__num {
    font-family: var(--font-display);
    font-size: 0.8rem;
    color: var(--bp-line-dim);
    border: 1px solid var(--bp-line-faint);
    padding: 0.15rem 0.45rem;
    flex-shrink: 0;
}

.project__head h3 {
    font-size: 1.15rem;
    color: var(--bp-line);
}

.project__type {
    font-family: var(--font-display);
    font-size: 0.7rem;
    color: var(--bp-line-dim);
    margin: 0.25rem 0 0;
}

.project__icon {
    width: 28px;
    height: 28px;
    margin-left: auto;
    flex-shrink: 0;
    stroke: var(--bp-amber);
    stroke-width: 1.6;
    fill: none;
    opacity: 0.85;
}

.project__desc {
    color: var(--bp-line-dim);
    font-size: 0.92rem;
    margin: 0;
    flex-grow: 1;
}

.project__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}
.project__tags span {
    font-family: var(--font-display);
    font-size: 0.65rem;
    letter-spacing: 0.04em;
    color: var(--bp-amber);
    border: 1px solid var(--bp-amber-dim);
    padding: 0.2rem 0.5rem;
}

.project__links {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--bp-line-faint);
    padding-top: var(--space-2);
    flex-wrap: wrap;
    gap: var(--space-1);
}

.project__link {
    font-family: var(--font-display);
    font-size: 0.8rem;
    text-decoration: none;
    color: var(--bp-line);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: color 0.2s ease, gap 0.2s ease;
}
.project__link:hover { color: var(--bp-amber); gap: 0.65rem; }

.project__private {
    font-family: var(--font-display);
    font-size: 0.7rem;
    color: var(--bp-line-dim);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}
.project__private svg {
    width: 12px;
    height: 12px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.5;
}

/* Projetos públicos (demonstrações): selo de demonstração + link para a versão publicada */
.project__meta {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-1) var(--space-2);
}
.project__live {
    font-family: var(--font-display);
    font-size: 0.7rem;
    color: var(--bp-amber);
    text-decoration: none;
    border-bottom: 1px solid var(--bp-amber-dim);
}
.project__live:hover { border-color: var(--bp-amber); }

.cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-3);
}
.cta-live {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1rem;
    font-family: var(--font-display);
    font-size: 0.85rem;
    color: var(--bp-amber);
    text-decoration: none;
    border: 1px solid var(--bp-amber-dim);
    transition: border-color 0.2s ease, background-color 0.2s ease;
}
.cta-live:hover { border-color: var(--bp-amber); background-color: rgba(232, 163, 61, 0.08); }

/* ---------- Diagrama de arquitetura ---------- */

.arch-diagram {
    margin: var(--space-3) 0;
    border: 1px solid var(--bp-line-faint);
    background: var(--bp-bg);
    padding: var(--space-2);
    overflow-x: auto;
}
.arch-diagram svg {
    display: block;
    width: 100%;
    min-width: 640px;
    height: auto;
}
.arch-diagram .zone { fill: none; stroke: var(--bp-amber-dim); stroke-width: 1.2; stroke-dasharray: 6 4; }
.arch-diagram .box { fill: var(--bp-bg-raised); stroke: var(--bp-line-dim); stroke-width: 1; }
.arch-diagram .hub { fill: var(--bp-bg-deep); stroke: var(--bp-amber); stroke-width: 1.5; }
.arch-diagram .arrow { fill: none; stroke: var(--bp-amber); stroke-width: 1.5; }
.arch-diagram .arrowhead { fill: var(--bp-amber); }
.arch-diagram text { font-family: var(--font-display); fill: var(--bp-line); }
.arch-diagram .t-title { font-size: 14px; font-weight: 700; }
.arch-diagram .t-sub { font-size: 10.5px; fill: var(--bp-line-dim); }
.arch-diagram .t-lbl { font-size: 10.5px; fill: var(--bp-amber); }
.arch-diagram .t-zone { font-size: 10px; letter-spacing: 0.08em; fill: var(--bp-amber); }
.arch-diagram figcaption {
    font-family: var(--font-display);
    font-size: 0.72rem;
    color: var(--bp-line-dim);
    margin-top: var(--space-1);
}

/* ---------- Contato ---------- */

.contact-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.contact-link {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    text-decoration: none;
    border: 1px solid var(--bp-line-faint);
    padding: var(--space-2) var(--space-3);
    min-width: 220px;
    transition: border-color 0.2s ease;
}
.contact-link:hover { border-color: var(--bp-amber); }

.contact-link__label {
    font-family: var(--font-display);
    font-size: 0.65rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--bp-line-dim);
}
.contact-link__value {
    font-family: var(--font-display);
    font-size: 0.95rem;
    color: var(--bp-line);
}

/* ---------- Estilos de Estudo de Caso (Compartilhados) ---------- */

.screenshot {
    width: 100%;
    border: 2px solid var(--bp-line-faint);
    border-radius: 4px;
    box-shadow: 0 12px 24px rgba(0,0,0,0.2);
    margin: var(--space-3) 0;
    background-color: var(--bp-bg-deep);
}
.screenshot-caption {
    font-family: var(--font-display);
    font-size: 0.75rem;
    color: var(--bp-line-dim);
    text-align: center;
    margin-top: -0.5rem;
    margin-bottom: var(--space-4);
    display: block;
}

.desktop-feature {
    margin-bottom: var(--space-4);
    background-color: var(--bp-bg);
    border: 1px solid var(--bp-line-faint);
    padding: var(--space-2);
    border-radius: 4px;
}
.desktop-feature img {
    width: 100%;
    height: auto;
    border: 2px solid var(--bp-line-faint);
    border-radius: 4px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
    margin-bottom: var(--space-2);
    display: block;
}
.desktop-feature h3 {
    color: var(--bp-amber);
    font-family: var(--font-display);
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
}
.desktop-feature p {
    color: var(--bp-line-dim);
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.5;
}

.desktop-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}
.desktop-grid .desktop-feature { margin-bottom: 0; }

.mobile-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-3);
    margin-top: var(--space-3);
}
.mobile-mockup {
    border: 4px solid var(--bp-line-faint);
    border-radius: 20px;
    overflow: hidden;
    background-color: var(--bp-bg);
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
    transition: transform 0.3s ease, border-color 0.3s ease;
}
.mobile-mockup:hover {
    transform: translateY(-5px);
    border-color: var(--bp-amber-dim);
}
.mobile-mockup img {
    width: 100%;
    height: auto;
    display: block;
}
.mobile-mockup img:last-of-type {
    border-bottom: 1px solid var(--bp-line-faint);
}
.mobile-content {
    padding: var(--space-2);
    flex-grow: 1;
}
.mobile-content h3 {
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: var(--bp-line);
    margin: 0 0 0.5rem 0;
}
.mobile-content p {
    font-size: 0.8rem;
    color: var(--bp-line-dim);
    margin: 0;
    line-height: 1.4;
}
.mobile-showcase + .desktop-grid { margin-top: var(--space-4); }
.mobile-hero {
    max-width: 320px;
    margin: 0 auto var(--space-4) auto;
}

/* ---------- Stamp footer ---------- */

.stamp {
    border-top: 1px dashed var(--bp-line-faint);
    padding: var(--space-3);
    background: var(--bp-bg);
}

.stamp__inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.stamp__logo { width: auto; height: 22px; flex-shrink: 0; }
.stamp p { font-family: var(--font-display); font-size: 0.75rem; color: var(--bp-line-dim); margin: 0; }

/* ---------- Reveal on scroll ---------- */

html.js-enabled .reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
@media (prefers-reduced-motion: reduce) {
    html.js-enabled .reveal {
        transition: none;
        transform: none;
    }
}
html.js-enabled .reveal.is-visible {
    opacity: 1;
    transform: none;
}

/* ---------- Cartão de visita digital (cartao.html) ---------- */

.vcard-page {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    background-color: var(--bp-bg-deep);
}
.vcard {
    width: 100%;
    max-width: 430px;
    min-height: 100vh;
    box-sizing: border-box;
    padding: 44px 28px 32px;
    display: flex;
    flex-direction: column;
    gap: 26px;
    background-color: var(--bp-bg);
    background-image:
        linear-gradient(rgba(231, 240, 251, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(231, 240, 251, 0.05) 1px, transparent 1px);
    background-size: 24px 24px;
}
@media (min-width: 520px) {
    .vcard-page { align-items: center; padding: var(--space-4) 0; }
    .vcard { min-height: 0; border: 1px solid var(--bp-line-faint); box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35); }
}

.vcard__head { display: flex; align-items: center; gap: 12px; }
.vcard__photo {
    width: 100px;
    height: 100px;
    box-sizing: border-box;
    object-fit: cover;
    object-position: center top;
    border: 2px solid var(--bp-amber);
    border-radius: 6px;
    flex-shrink: 0;
}
.vcard__id { display: flex; flex-direction: column; gap: 10px; flex-grow: 1; min-width: 0; }
.vcard__name { font-size: 26px; line-height: 1.1; color: var(--bp-line); }
.vcard__rule { width: 72px; height: 2px; background-color: var(--bp-amber); }
.vcard__place { font-family: var(--font-display); font-size: 12px; letter-spacing: 0.06em; color: var(--bp-line-dim); }
.vcard__logo { width: 115px; height: auto; flex-shrink: 0; }

.vcard__role { margin: 0; font-size: 18px; line-height: 1.35; font-weight: 600; color: var(--bp-line); }
.vcard__scope { margin: 6px 0 0; font-size: 15px; line-height: 1.4; color: #C3D3E4; }

.vcard__stack { display: flex; flex-wrap: wrap; gap: 6px; }
.vcard__stack li {
    padding: 3px 8px;
    border: 1px solid var(--bp-amber-dim);
    font-family: var(--font-display);
    font-size: 12px;
    color: var(--bp-amber);
}

.vcard__actions { display: flex; flex-direction: column; gap: 12px; }
.vcard__action {
    display: flex;
    align-items: center;
    gap: 14px;
    min-height: 56px;
    padding: 0 16px;
    border: 1px solid rgba(231, 240, 251, 0.16);
    color: var(--bp-line);
    text-decoration: none;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}
.vcard__action:hover { border-color: var(--bp-amber); background-color: var(--bp-bg-raised); }
.vcard__action svg, .vcard__save svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: var(--bp-amber);
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}
.vcard__text { display: flex; flex-direction: column; gap: 2px; min-width: 0; line-height: 1.3; }
.vcard__label { font-size: 15px; font-weight: 600; }
.vcard__value { font-family: var(--font-display); font-size: 12px; color: var(--bp-line-dim); overflow-wrap: anywhere; }

.vcard__save {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 56px;
    background-color: var(--bp-amber);
    color: var(--bp-bg-deep);
    text-decoration: none;
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.04em;
    transition: background-color 0.2s ease;
}
.vcard__save:hover { background-color: #F3C277; }
.vcard__save svg { stroke: var(--bp-bg-deep); stroke-width: 1.8; }

/* ---------- Responsivo ---------- */

@media (max-width: 640px) {
    .titleblock, .titleblock--alt { grid-template-columns: 1fr 1fr; }
    .titleblock__cell:nth-child(2n) { border-right: none; }
    .titleblock__cell { border-bottom: 1px solid var(--bp-line-faint); }
    .topnav { gap: var(--space-2); }
    .hero { padding-top: var(--space-4); }
}