/* =========================================================
   EDUARDO POZELLA — Sistema visual
   Editorial minimalista. Trabalho fala.
   ========================================================= */

:root {
    --bg:           #f4f3ef;
    --bg-pure:      #ffffff;
    --ink:          #111111;
    --ink-soft:     #2a2a2a;
    --muted:        #777570;
    --muted-soft:   #b8b6b0;
    --line:         #e4e2db;
    --accent:       #c89a1f;

    --font: 'Inter', -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;

    --gutter: clamp(16px, 3vw, 40px);
    --header-h: 70px;

    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 350ms var(--ease);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }

body {
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font);
    font-weight: 400;
    font-size: 14px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

::selection { background: var(--ink); color: var(--bg); }

/* ===== HEADER ===== */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(244, 243, 239, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    height: var(--header-h);
    display: flex;
    align-items: center;
}

.header-inner {
    width: 100%;
    padding: 0 var(--gutter);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo { display: flex; flex-direction: column; line-height: 1; color: var(--ink); }
.logo-mark { font-weight: 700; font-size: 0.95rem; letter-spacing: 0.06em; }
.logo-sub { font-weight: 400; font-size: 0.6rem; letter-spacing: 0.42em; color: var(--muted); margin-top: 3px; }

.main-nav {
    display: flex;
    gap: clamp(1.2rem, 2.5vw, 2.2rem);
    align-items: center;
}

.main-nav a {
    font-size: 0.78rem;
    font-weight: 400;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink);
    position: relative;
    padding: 4px 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 1px;
    background: var(--ink);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 350ms var(--ease);
}

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

.nav-toggle { display: none; flex-direction: column; gap: 6px; padding: 8px; }
.nav-toggle span { width: 22px; height: 1px; background: var(--ink); transition: var(--transition); }
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

main { padding-top: var(--header-h); min-height: calc(100vh - var(--header-h)); }

/* ===== PROJECTS GRID — 12 columns =====
   Sistema baseado em 12 colunas pro Eduardo poder escolher
   larguras como 4/12, 6/12, 8/12, 12/12.
   Carrossel automático com fade entre as imagens. */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: clamp(8px, 1vw, 16px);
    padding: clamp(8px, 1vw, 16px);
    align-items: start;
}

/* Larguras */
.tile-cols-3  { grid-column: span 3; }
.tile-cols-4  { grid-column: span 4; }
.tile-cols-6  { grid-column: span 6; }
.tile-cols-8  { grid-column: span 8; }
.tile-cols-12 { grid-column: span 12; }

/* Alturas (aspect ratios diferentes) */
.tile-h-low   { --tile-aspect: 16/9; }
.tile-h-normal{ --tile-aspect: 4/5; }
.tile-h-tall  { --tile-aspect: 3/4; }
.tile-h-xtall { --tile-aspect: 2/3; }

.project-tile {
    position: relative;
    display: block;
    overflow: hidden;
    background: #0a0a0a;
    transition: var(--transition);
}

.project-tile-carousel {
    aspect-ratio: var(--tile-aspect, 4/5);
}

.tile-stage {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.tile-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 900ms var(--ease);
    pointer-events: none;
}

.tile-slide.is-active {
    opacity: 1;
    pointer-events: auto;
}

.tile-slide img {
    width: 100%;
    height: 100%;
    display: block;
    transition: transform 700ms var(--ease);
}

/* Modo natural: imagem inteira (object-fit: contain) */
.tile-slide.slide-natural img {
    object-fit: contain;
}

/* Modo com crop manual: cover + object-position */
.tile-slide.slide-cropped img {
    object-fit: cover;
    object-position: var(--obj-position, center center);
}

.project-tile:hover .tile-slide.is-active img {
    transform: scale(1.02);
}

/* Quando há só 1 imagem, não anima */
.project-tile.is-single .tile-slide { opacity: 1; }

/* Placeholder quando projeto não tem imagem */
.project-tile-placeholder-wrap {
    aspect-ratio: var(--tile-aspect, 4/5);
}

.project-tile-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted-soft);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

/* ===== EMPTY STATE ===== */
.empty-state {
    padding: clamp(4rem, 10vw, 10rem) var(--gutter);
    text-align: center;
    color: var(--muted);
}

.empty-state-title {
    font-size: clamp(1.2rem, 2.2vw, 1.6rem);
    font-weight: 500;
    color: var(--ink);
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.empty-state-text {
    max-width: 480px;
    margin: 0 auto;
    font-size: 0.92rem;
    line-height: 1.6;
}

/* ===== CATEGORY HEADER ===== */
.category-header {
    padding: clamp(3rem, 6vw, 5rem) var(--gutter) clamp(1.5rem, 3vw, 2rem);
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 1rem;
}

.category-title {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--ink);
}

.category-count {
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
}

.subcategory-filter {
    padding: 0 var(--gutter) clamp(2rem, 4vw, 3rem);
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.subcategory-filter a {
    padding: 0.5rem 1rem;
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
    border: 1px solid var(--line);
    border-radius: 100px;
    transition: var(--transition);
}

.subcategory-filter a:hover { color: var(--ink); border-color: var(--muted); }
.subcategory-filter a.active { color: var(--bg); background: var(--ink); border-color: var(--ink); }

/* ===== PROJECT PAGE ===== */
.project-header {
    padding: clamp(2rem, 5vw, 4rem) var(--gutter) clamp(1.5rem, 3vw, 2.5rem);
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 1rem;
    border-bottom: 1px solid var(--line);
}

.project-title-block { max-width: 800px; }

.project-client {
    font-size: 0.78rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 0.8rem;
}

.project-title {
    font-size: clamp(1.6rem, 3.5vw, 2.8rem);
    font-weight: 600;
    letter-spacing: -0.015em;
    line-height: 1.1;
}

.project-meta {
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
    text-align: right;
}

.project-images {
    padding: clamp(8px, 1vw, 16px);
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(8px, 1vw, 16px);
}

.project-images img { width: 100%; background: var(--ink); }

.project-credits {
    padding: clamp(3rem, 6vw, 5rem) var(--gutter);
    border-top: 1px solid var(--line);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 2rem;
}

.project-credit-label {
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 0.4rem;
}

.project-credit-value { color: var(--ink); font-weight: 500; }

.project-next {
    padding: clamp(3rem, 6vw, 5rem) var(--gutter);
    border-top: 1px solid var(--line);
    text-align: center;
}

.project-next-label {
    font-size: 0.78rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 1rem;
    display: block;
}

.project-next a {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--ink);
    position: relative;
    display: inline-block;
}

.project-next a::after { content: ' →'; transition: transform 350ms var(--ease); display: inline-block; }
.project-next a:hover::after { transform: translateX(8px); }

/* ===== SOBRE ===== */
.about-page {
    padding: clamp(3rem, 6vw, 6rem) var(--gutter);
    max-width: 1200px;
    margin: 0 auto;
}

.about-intro { max-width: 760px; margin-bottom: clamp(3rem, 6vw, 5rem); }

.about-eyebrow {
    font-size: 0.78rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 1.5rem;
}

.about-statement {
    font-size: clamp(1.5rem, 3vw, 2.4rem);
    font-weight: 500;
    line-height: 1.25;
    letter-spacing: -0.015em;
    color: var(--ink);
    margin-bottom: 2rem;
}

.about-body {
    font-size: clamp(1rem, 1.4vw, 1.1rem);
    line-height: 1.65;
    color: var(--ink-soft);
    max-width: 60ch;
}

.about-body p { margin-bottom: 1.2em; }

.about-facts {
    padding: clamp(3rem, 6vw, 5rem) 0;
    border-top: 1px solid var(--line);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

.about-fact { padding-top: 1.2rem; border-top: 1px solid var(--line); }
.about-fact-num {
    font-size: 2rem;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.02em;
    line-height: 1;
    margin-bottom: 0.6rem;
}
.about-fact-label { font-size: 0.85rem; color: var(--muted); }

/* ===== CONTATO ===== */
.contact-page {
    padding: clamp(4rem, 8vw, 8rem) var(--gutter);
    max-width: 1100px;
    margin: 0 auto;
    min-height: calc(100vh - var(--header-h) - 200px);
    display: flex;
    align-items: center;
}

.contact-inner {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 5vw, 5rem);
    align-items: start;
}

.contact-statement {
    font-size: clamp(1.4rem, 2.6vw, 2rem);
    font-weight: 500;
    line-height: 1.25;
    letter-spacing: -0.01em;
    color: var(--ink);
    margin-bottom: 2rem;
}

.contact-channels { display: flex; flex-direction: column; gap: 1.8rem; }

.contact-channel-label {
    font-size: 0.7rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 0.4rem;
    display: block;
}

.contact-channel-value {
    font-size: 1.1rem;
    color: var(--ink);
    display: inline-block;
    font-weight: 500;
}

.contact-channel-value:hover { color: var(--accent); }

.contact-form { border-left: 1px solid var(--line); padding-left: clamp(2rem, 4vw, 4rem); }

.form-field { margin-bottom: 1.5rem; }
.form-field label {
    display: block;
    font-size: 0.7rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 0.5rem;
}

.form-field input,
.form-field select,
.form-field textarea {
    width: 100%;
    padding: 0.7rem 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--line);
    color: var(--ink);
    font-family: var(--font);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus { outline: none; border-bottom-color: var(--ink); }
.form-field textarea { resize: vertical; min-height: 90px; }

.form-field select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23111'%3e%3cpath d='M7 10l5 5 5-5z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.4rem center;
    background-size: 18px;
}

.btn {
    display: inline-block;
    padding: 0.95rem 2rem;
    background: var(--ink);
    color: var(--bg);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    border-radius: 0;
    transition: var(--transition);
    cursor: pointer;
}

.btn:hover { background: var(--accent); color: var(--ink); }

.form-message { margin-bottom: 1.5rem; padding: 1rem 1.2rem; font-size: 0.85rem; border-left: 2px solid; }
.form-message.success { border-color: var(--accent); color: var(--ink); background: rgba(200, 154, 31, 0.08); }
.form-message.error { border-color: #c33; color: #c33; background: rgba(204, 51, 51, 0.06); }

/* ===== FOOTER ===== */
.site-footer { border-top: 1px solid var(--line); padding: 3rem var(--gutter) 2rem; margin-top: 4rem; }

.footer-inner { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 2rem; align-items: end; }
.footer-block { display: flex; flex-direction: column; gap: 0.5rem; font-size: 0.82rem; color: var(--muted); }
.footer-block a:hover { color: var(--ink); }

.footer-label {
    font-size: 0.7rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--ink);
    margin-bottom: 0.4rem;
    font-weight: 500;
}

.footer-block-end { text-align: right; }

/* ===== REVEAL ANIMATION ===== */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    /* Em tablets, tiles menores dobram de largura */
    .tile-cols-3  { grid-column: span 6; }
    .tile-cols-4  { grid-column: span 6; }
    .tile-cols-8  { grid-column: span 12; }
    .contact-inner { grid-template-columns: 1fr; }
    .contact-form { border-left: none; padding-left: 0; border-top: 1px solid var(--line); padding-top: 3rem; margin-top: 1rem; }
}

@media (max-width: 768px) {
    .main-nav {
        position: fixed;
        top: var(--header-h);
        left: 0; right: 0;
        background: var(--bg);
        flex-direction: column;
        gap: 1.8rem;
        padding: 3rem var(--gutter);
        transform: translateY(-110%);
        transition: transform 400ms var(--ease);
        border-bottom: 1px solid var(--line);
        align-items: flex-start;
    }
    .main-nav.open { transform: translateY(0); }
    .main-nav a { font-size: 0.9rem; }
    .nav-toggle { display: flex; }

     .projects-grid { gap: 4px; padding: 4px; }
    .tile-cols-3, .tile-cols-4, .tile-cols-6, .tile-cols-8, .tile-cols-12 {
        grid-column: span 12;
    }

    .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
    .footer-block-end { text-align: left; }
    .project-header { align-items: flex-start; flex-direction: column; }
    .project-meta { text-align: left; }
}