/* ============================================================
   ECC — EPTA Construction Cloud
   Global Styles — GRIS Theme
   ============================================================ */

@font-face {
    font-family: 'Manufaktur';
    src: url('../fonts/Manufaktur-Light.woff2') format('woff2'),
         url('../fonts/Manufaktur-Light.woff')  format('woff'),
         url('../fonts/Manufaktur-Light.ttf')   format('truetype');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Manufaktur';
    src: url('../fonts/Manufaktur-Medium.woff2') format('woff2'),
         url('../fonts/Manufaktur-Medium.woff')  format('woff'),
         url('../fonts/Manufaktur-Medium.ttf')   format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Manufaktur';
    src: url('../fonts/Manufaktur-Medium.woff2') format('woff2'),
         url('../fonts/Manufaktur-Medium.woff')  format('woff'),
         url('../fonts/Manufaktur-Medium.ttf')   format('truetype');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Manufaktur';
    src: url('../fonts/Manufaktur-Bold.woff2') format('woff2'),
         url('../fonts/Manufaktur-Bold.woff')  format('woff'),
         url('../fonts/Manufaktur-Bold.ttf')   format('truetype');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Manufaktur';
    src: url('../fonts/Manufaktur-Bold.woff2') format('woff2'),
         url('../fonts/Manufaktur-Bold.woff')  format('woff'),
         url('../fonts/Manufaktur-Bold.ttf')   format('truetype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

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

:root {
    --white:      #ffffff;
    --black:      #0a0a0a;
    --gray-900:   #1a1a1a;
    --gray-700:   #444444;
    --gray-500:   #888888;
    --gray-300:   #c8c8c8;
    --gray-200:   #e5e5e5;
    --gray-100:   #f5f5f5;
    --font:       'Manufaktur', -apple-system, BlinkMacSystemFont, sans-serif;
}

html { font-size: 16px; -webkit-font-smoothing: antialiased; overflow-y: scroll; scrollbar-gutter: stable; }

body {
    font-family: var(--font);
    background: var(--white);
    color: var(--gray-900);
    line-height: 1.6;
    min-height: 100vh;
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 32px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 32px;
    max-width: 120px;
    width: auto;
    display: block;
    object-fit: contain;
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--black);
}

.logo-divider {
    color: var(--gray-300);
    font-weight: 200;
    font-size: 20px;
}

.logo-sub {
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-500);
    letter-spacing: 0.02em;
}

.header-badge {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gray-500);
    background: var(--gray-100);
    padding: 4px 10px;
    border-radius: 2px;
}

/* ============================================================
   HERO STRIP
   ============================================================ */
.project-hero {
    border-bottom: 1px solid var(--gray-200);
    padding: 64px 0 48px;
}

.hero-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 32px;
}

.hero-label {
    font-size: 17px;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gray-500);
    margin-bottom: 16px;
}

.hero-title {
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--black);
    line-height: 1.15;
}

/* ============================================================
   MAIN CONTENT
   ============================================================ */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 64px 32px 96px;
}

/* ============================================================
   FILE CATEGORIES
   ============================================================ */
.file-category {
    margin-bottom: 64px;
}

.category-header {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 28px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--gray-200);
}

.category-title {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gray-900);
}

.category-count {
    font-size: 12px;
    color: var(--gray-500);
    font-weight: 300;
}

/* ============================================================
   FILE GRID & CARDS
   ============================================================ */
.file-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1px;
    background: var(--gray-200);
    border: 1px solid var(--gray-200);
}

.file-card {
    background: var(--white);
    padding: 28px 24px;
    display: grid;
    grid-template-rows: auto 1fr auto;
    gap: 16px;
    transition: background .15s;
}

.file-card:hover {
    background: var(--gray-100);
}

.file-icon {
    width: 36px;
    height: 36px;
    color: var(--gray-400);
}

.file-icon svg {
    width: 100%;
    height: 100%;
}

.file-info { flex: 1; }

.file-name {
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-900);
    margin-bottom: 6px;
    letter-spacing: -0.01em;
    line-height: 1.4;
}

.file-desc {
    font-size: 13px;
    color: var(--gray-500);
    font-weight: 300;
    line-height: 1.5;
    margin-bottom: 10px;
}

.file-type-badge {
    display: inline-block;
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gray-500);
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    padding: 2px 8px;
    border-radius: 2px;
}

/* ============================================================
   FILE ACTION BUTTONS
   ============================================================ */
.file-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.btn-view,
.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.02em;
    padding: 8px 14px;
    border-radius: 2px;
    cursor: pointer;
    text-decoration: none;
    transition: all .15s;
    border: 1px solid transparent;
}

.btn-view {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.btn-view:hover {
    background: var(--gray-900);
}

.btn-download {
    background: transparent;
    color: var(--gray-700);
    border-color: var(--gray-300);
}

.btn-download:hover {
    border-color: var(--gray-700);
    color: var(--black);
}

.btn-view svg,
.btn-download svg {
    width: 14px;
    height: 14px;
}

.btn-download.loading {
    opacity: .6;
    cursor: not-allowed;
    pointer-events: none;
}

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state {
    text-align: center;
    padding: 96px 32px;
    color: var(--gray-500);
}

.empty-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 24px;
    color: var(--gray-300);
}

.empty-icon svg { width: 100%; height: 100%; }

.empty-state h2 {
    font-size: 18px;
    font-weight: 400;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 14px;
    font-weight: 300;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    border-top: 1px solid var(--gray-200);
    padding: 24px 0;
}

.footer-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-brand {
    font-size: 12px;
    font-weight: 700;
    color: var(--gray-900);
    letter-spacing: 0.04em;
}

.footer-copy {
    font-size: 12px;
    color: var(--gray-500);
    font-weight: 300;
}

/* ============================================================
   PIN PAGE
   ============================================================ */
.pin-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--white);
}

.pin-container {
    width: 100%;
    max-width: 360px;
    padding: 48px 32px;
    text-align: center;
}

.pin-logo {
    font-size: 28px;
    font-weight: 600;
    letter-spacing: -0.03em;
    color: var(--black);
    margin-bottom: 8px;
}

.pin-subtitle {
    font-size: 13px;
    color: var(--gray-500);
    font-weight: 300;
    margin-bottom: 40px;
}

.pin-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pin-input {
    width: 100%;
    padding: 14px 16px;
    font-family: var(--font);
    font-size: 16px;
    border: 1px solid var(--gray-300);
    border-radius: 2px;
    outline: none;
    text-align: center;
    letter-spacing: 0.2em;
    color: var(--gray-900);
    transition: border-color .2s;
}

.pin-input:focus { border-color: var(--gray-900); }
.pin-input.error { border-color: #c0392b; }

.pin-error {
    font-size: 12px;
    color: #c0392b;
}

.btn-primary {
    width: 100%;
    padding: 14px;
    font-family: var(--font);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.04em;
    background: var(--black);
    color: var(--white);
    border: none;
    border-radius: 2px;
    cursor: pointer;
    transition: background .15s;
}

.btn-primary:hover { background: var(--gray-900); }

/* ============================================================
   UPLOAD ADMIN TOOL
   ============================================================ */
.upload-page {
    max-width: 680px;
    margin: 0 auto;
    padding: 48px 32px;
    font-family: var(--font);
}

.upload-page h1 {
    font-size: 24px;
    font-weight: 500;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
    color: var(--black);
}

.upload-page .subtitle {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 48px;
    font-weight: 300;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    font-family: var(--font);
    font-size: 14px;
    border: 1px solid var(--gray-300);
    border-radius: 2px;
    outline: none;
    color: var(--gray-900);
    background: var(--white);
    transition: border-color .2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--gray-900);
}

.upload-result {
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    border-radius: 2px;
    padding: 20px;
    margin-top: 24px;
    font-size: 13px;
    font-family: 'Courier New', monospace;
    word-break: break-all;
    line-height: 1.8;
}

.upload-result .label {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gray-500);
    font-family: var(--font);
    display: block;
    margin-bottom: 4px;
}

.upload-result .value {
    color: var(--black);
    user-select: all;
}

.status-badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 2px;
    font-size: 11px;
    font-weight: 500;
}

.status-badge.pending    { background: #fff3cd; color: #856404; }
.status-badge.processing { background: #cce5ff; color: #004085; }
.status-badge.success    { background: #d4edda; color: #155724; }
.status-badge.error      { background: #f8d7da; color: #721c24; }

/* ============================================================
   LANDING PAGE
   ============================================================ */

.landing-page { background: var(--white); }

/* Header nav */
.header-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-project-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--gray-700);
    text-decoration: none;
    padding: 6px 14px;
    border: 1px solid var(--gray-200);
    border-radius: 2px;
    transition: all .15s;
}

.nav-project-link:hover {
    border-color: var(--gray-900);
    color: var(--black);
}

.nav-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #22c55e;
    flex-shrink: 0;
}

/* Hero */
.landing-hero {
    padding: 120px 0 96px;
    border-bottom: 1px solid var(--gray-200);
}

.landing-hero-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 32px;
}

.landing-title {
    font-size: clamp(52px, 8vw, 96px);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1.0;
    color: var(--black);
    margin-bottom: 40px;
}

.landing-subtitle {
    font-size: 17px;
    font-weight: 300;
    color: var(--gray-500);
    line-height: 1.7;
    max-width: 520px;
}

/* Projects section */
.landing-projects {
    padding: 80px 0;
    border-bottom: 1px solid var(--gray-200);
}

.landing-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 32px;
}

.section-label {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gray-500);
    margin-bottom: 32px;
}

.project-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1px;
    background: var(--gray-200);
    border: 1px solid var(--gray-200);
}

.project-card {
    background: var(--white);
    padding: 36px 32px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    text-decoration: none;
    color: inherit;
}

.project-card--active {
    transition: background .15s;
    cursor: pointer;
}

.project-card--active:hover {
    background: var(--gray-100);
}

.project-card--soon {
    opacity: .5;
    cursor: default;
}

.project-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.project-card-initials {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--black);
}

.project-card-logo {
    display: block;
}

.project-status {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 2px;
}

.project-status--live {
    background: #dcfce7;
    color: #15803d;
}

.project-status--soon {
    background: var(--gray-100);
    color: var(--gray-500);
}

.project-card-name {
    font-size: 16px;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--black);
}

.project-card-desc {
    font-size: 13px;
    font-weight: 300;
    color: var(--gray-500);
    line-height: 1.6;
    flex: 1;
}

.project-card-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--black);
    margin-top: 8px;
}

.project-card-cta svg {
    width: 14px;
    height: 14px;
    transition: transform .15s;
}

.project-card--active:hover .project-card-cta svg {
    transform: translateX(4px);
}

/* About section */
.landing-about {
    padding: 80px 0 96px;
}

.landing-about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.about-title {
    font-size: clamp(22px, 3vw, 32px);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--black);
    line-height: 1.2;
    margin-top: 16px;
}

.about-body {
    font-size: 15px;
    font-weight: 300;
    color: var(--gray-500);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-body:last-child { margin-bottom: 0; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    .header-inner         { padding: 0 20px; }
    .hero-inner           { padding: 0 20px; }
    .main-content         { padding: 40px 20px 64px; }
    .footer-inner         { padding: 0 20px; flex-direction: column; gap: 8px; text-align: center; }
    .file-grid            { grid-template-columns: 1fr; }
    .hero-title           { font-size: 28px; }
    .logo-sub             { display: none; }
    .landing-hero         { padding: 72px 0 64px; }
    .landing-hero-inner   { padding: 0 20px; }
    .landing-inner        { padding: 0 20px; }
    .landing-about-grid   { grid-template-columns: 1fr; gap: 32px; }
    .project-cards        { grid-template-columns: 1fr; }
    .landing-title        { font-size: 52px; }
    .landing-subtitle     { font-size: 15px; }
}