/* ═══════════════════════════════════════════════════════
   A4 CORRIDOR — Version C Dark Restrained
   Shared stylesheet for all pages
   ═══════════════════════════════════════════════════════ */

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

/* VARIABLES */
:root {
    --bg: #1a2332;
    --bg-alt: #1e2738;
    --card: #1e2a3a;
    --border: #2a3a4e;
    --border-light: #253345;
    --text: #dde4ed;
    --muted: #8fa0b5;
    --label: #7788a0;
    --gold: #b8a472;
    --gold-light: #c9b580;
    --nav-link: #8899aa;
    --nav-bg: rgba(18, 28, 40, 0.95);
    --stat-bg: #1a2535;
    --stat-bar-bg: #1e2838;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-weight: 300;
}

a { color: var(--gold); text-decoration: none; transition: color 0.3s; }
a:hover { color: var(--gold-light); }

/* ═══ NAVIGATION ═══ */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: var(--nav-bg);
    border-bottom: 1px solid rgba(180, 160, 100, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 0 60px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: 'Source Serif 4', serif;
    font-size: 1.3rem;
    color: var(--gold);
    letter-spacing: 2px;
    text-transform: uppercase;
    text-decoration: none;
}

.nav-logo:hover { color: var(--gold-light); }

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    color: var(--nav-link);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: color 0.3s;
}

.nav-links a:hover { color: var(--gold); }
.nav-links a.active { color: var(--gold); }

/* Hamburger */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gold);
    margin: 5px 0;
    transition: all 0.3s;
}

/* ═══ HERO ═══ */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 120px 60px 80px;
    background: radial-gradient(ellipse at center top, rgba(180, 160, 100, 0.04) 0%, transparent 60%),
                linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
}

.hero-stats {
    display: flex;
    gap: 60px;
    margin-bottom: 60px;
}

.hero-stat {
    text-align: center;
    padding: 0 20px;
}

.hero-stat .number {
    font-family: 'Source Serif 4', serif;
    font-size: 3rem;
    font-weight: 600;
    color: var(--gold);
    line-height: 1.1;
}

.hero-stat .label {
    font-size: 0.75rem;
    color: var(--label);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 10px;
}

.hero-divider {
    width: 1px;
    background: rgba(180, 160, 100, 0.2);
    align-self: stretch;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: #a0b0c0;
    font-weight: 300;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.hero-tagline {
    font-size: 0.95rem;
    color: var(--label);
    font-style: italic;
    font-weight: 300;
    margin-top: 8px;
}

/* ═══ PAGE HERO (Subpages) ═══ */
.page-hero {
    padding: 140px 60px 80px;
    text-align: center;
    background: radial-gradient(ellipse at center top, rgba(180, 160, 100, 0.04) 0%, transparent 60%),
                linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
}

.page-hero .section-label {
    margin-bottom: 16px;
}

.page-hero h1 {
    font-family: 'Source Serif 4', serif;
    font-size: 2.6rem;
    font-weight: 400;
    color: var(--text);
    margin-bottom: 20px;
}

.page-hero .lead {
    font-size: 1.1rem;
    color: var(--muted);
    font-weight: 300;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.9;
}

/* ═══ ACCENT LINE ═══ */
.accent-line {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    margin: 0 auto;
}

/* ═══ SECTION ═══ */
.section {
    padding: 100px 60px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--gold);
    margin-bottom: 16px;
}

.section h2 {
    font-family: 'Source Serif 4', serif;
    font-size: 2.2rem;
    font-weight: 400;
    color: var(--text);
    margin-bottom: 24px;
}

.section h3 {
    font-family: 'Source Serif 4', serif;
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--text);
    margin: 40px 0 16px;
}

.section p {
    color: var(--muted);
    font-size: 1rem;
    font-weight: 300;
    max-width: 720px;
    line-height: 1.9;
    margin-bottom: 16px;
}

.section p.full-width {
    max-width: none;
}

.section ul, .section ol {
    color: var(--muted);
    font-size: 1rem;
    font-weight: 300;
    max-width: 720px;
    line-height: 1.9;
    margin: 16px 0;
    padding-left: 24px;
}

.section li {
    margin-bottom: 8px;
}

/* ═══ STATS BAR ═══ */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--stat-bar-bg);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.stat-item {
    text-align: center;
    padding: 50px 20px;
    background: var(--stat-bg);
}

.stat-item .num {
    font-family: 'Source Serif 4', serif;
    font-size: 1.9rem;
    color: var(--gold);
}

.stat-item .desc {
    font-size: 0.75rem;
    color: #6b7f95;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 8px;
}

/* ═══ PLOT CARDS ═══ */
.plots-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 50px;
}

.plot-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 40px 32px;
    transition: border-color 0.3s, transform 0.3s;
}

.plot-card:hover {
    border-color: var(--gold);
    transform: translateY(-3px);
}

.plot-card .tier {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--gold);
    margin-bottom: 12px;
}

.plot-card h3 {
    font-family: 'Source Serif 4', serif;
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--text);
    margin-bottom: 20px;
    margin-top: 0;
}

.plot-card .spec {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.9rem;
}

.plot-card .spec .key { color: #6b7f95; }
.plot-card .spec .val { color: #b0c0d0; font-weight: 500; }

.plot-card .price {
    margin-top: 24px;
    font-family: 'Source Serif 4', serif;
    font-size: 1.7rem;
    color: var(--gold);
}

.plot-card .price-sub {
    font-size: 0.8rem;
    color: #5a6e85;
    margin-top: 4px;
}

.plot-card .cta {
    display: inline-block;
    margin-top: 24px;
    padding: 12px 28px;
    border: 1px solid rgba(184, 164, 114, 0.4);
    border-radius: 3px;
    color: var(--gold);
    text-decoration: none;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s;
}

.plot-card .cta:hover {
    background: var(--gold);
    color: var(--bg);
    border-color: var(--gold);
}

/* ═══ PORTFOLIO NOTE ═══ */
.portfolio-note {
    text-align: center;
    margin-top: 40px;
    padding: 28px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: #1c2a3a;
}

.portfolio-note p {
    color: var(--muted);
    font-size: 0.95rem;
    max-width: none;
    font-weight: 300;
}

.portfolio-note strong { color: var(--gold); }

/* ═══ CTA SECTION ═══ */
.cta-section {
    text-align: center;
    padding: 120px 60px;
    background: linear-gradient(180deg, var(--bg) 0%, #1c2638 100%);
}

.cta-section h2 {
    font-family: 'Source Serif 4', serif;
    font-size: 2rem;
    font-weight: 400;
    color: var(--text);
    margin-bottom: 16px;
}

.cta-section p {
    color: var(--label);
    font-size: 0.95rem;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    padding: 16px 48px;
    background: var(--gold);
    border-radius: 3px;
    color: var(--bg);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background: var(--gold-light);
    color: var(--bg);
}

.cta-button-outline {
    display: inline-block;
    padding: 14px 40px;
    border: 1px solid rgba(184, 164, 114, 0.4);
    border-radius: 3px;
    color: var(--gold);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s;
    background: transparent;
    cursor: pointer;
}

.cta-button-outline:hover {
    background: var(--gold);
    color: var(--bg);
    border-color: var(--gold);
}

/* ═══ DATA TABLE ═══ */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
}

.data-table th {
    text-align: left;
    padding: 12px 16px;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--label);
    border-bottom: 1px solid var(--border);
    background: rgba(30, 42, 58, 0.5);
    font-weight: 500;
}

.data-table td {
    padding: 14px 16px;
    font-size: 0.9rem;
    color: var(--muted);
    border-bottom: 1px solid rgba(42, 58, 78, 0.4);
    font-weight: 300;
}

.data-table tr:hover td {
    background: rgba(184, 164, 114, 0.03);
}

.data-table .highlight {
    color: var(--gold);
    font-weight: 500;
}

.data-table .row-accent td {
    background: rgba(184, 164, 114, 0.06);
    color: var(--gold-light);
    font-weight: 400;
}

/* ═══ INFO CARDS ═══ */
.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin: 40px 0;
}

.info-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 32px 28px;
    border-left: 3px solid var(--gold);
}

.info-card h4 {
    font-family: 'Source Serif 4', serif;
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--text);
    margin-bottom: 12px;
}

.info-card p {
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 300;
    line-height: 1.8;
    max-width: none;
    margin-bottom: 0;
}

.info-card .card-stat {
    font-family: 'Source Serif 4', serif;
    font-size: 1.5rem;
    color: var(--gold);
    margin-bottom: 8px;
}

/* Single column info cards */
.info-grid-single {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin: 40px 0;
}

/* Three column info cards */
.info-grid-three {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 40px 0;
}

/* ═══ INFRASTRUCTURE PROJECT CARDS ═══ */
.project-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 32px 28px;
    margin: 20px 0;
    border-left: 3px solid var(--gold);
}

.project-card .project-num {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--gold);
    margin-bottom: 8px;
}

.project-card h4 {
    font-family: 'Source Serif 4', serif;
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--text);
    margin-bottom: 12px;
}

.project-card .project-details {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.project-card .detail-item {
    font-size: 0.85rem;
}

.project-card .detail-label {
    color: #6b7f95;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.project-card .detail-value {
    color: #b0c0d0;
    font-weight: 500;
}

.project-card .detail-value.gold {
    color: var(--gold);
    font-family: 'Source Serif 4', serif;
    font-size: 1.1rem;
}

.project-card p {
    max-width: none;
    font-size: 0.9rem;
}

/* ═══ STEP CARDS ═══ */
.step-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 32px 28px;
    margin: 20px 0;
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.step-number {
    font-family: 'Source Serif 4', serif;
    font-size: 2rem;
    color: var(--gold);
    font-weight: 600;
    min-width: 50px;
    line-height: 1;
}

.step-content h4 {
    font-family: 'Source Serif 4', serif;
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--text);
    margin-bottom: 8px;
}

.step-content p {
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 300;
    line-height: 1.8;
    max-width: none;
    margin-bottom: 0;
}

/* ═══ PLOT DETAIL ═══ */
.plot-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin: 40px 0;
}

.plot-specs {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 40px 32px;
}

.plot-specs .spec-row {
    display: flex;
    justify-content: space-between;
    padding: 14px 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.95rem;
}

.plot-specs .spec-row:last-child {
    border-bottom: none;
}

.plot-specs .spec-key { color: #6b7f95; }
.plot-specs .spec-val { color: #b0c0d0; font-weight: 500; }

.plot-pricing {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 40px 32px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.plot-pricing .price-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--label);
    margin-bottom: 12px;
}

.plot-pricing .price-main {
    font-family: 'Source Serif 4', serif;
    font-size: 2.5rem;
    color: var(--gold);
    margin-bottom: 8px;
}

.plot-pricing .price-usd {
    font-size: 1rem;
    color: var(--muted);
    margin-bottom: 24px;
}

.plot-pricing .price-total-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--label);
    margin-top: 24px;
    margin-bottom: 8px;
}

.plot-pricing .price-total {
    font-family: 'Source Serif 4', serif;
    font-size: 1.8rem;
    color: var(--text);
}

.plot-pricing .price-total-usd {
    font-size: 0.9rem;
    color: var(--muted);
    margin-top: 4px;
}

/* Other plots links */
.other-plots {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.other-plots h3 {
    font-family: 'Source Serif 4', serif;
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--text);
    margin-bottom: 24px;
}

.other-plots-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.other-plot-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 24px;
    transition: border-color 0.3s;
    text-decoration: none;
    display: block;
}

.other-plot-card:hover {
    border-color: var(--gold);
}

.other-plot-card .tier {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--gold);
    margin-bottom: 6px;
}

.other-plot-card h4 {
    font-family: 'Source Serif 4', serif;
    font-size: 1.1rem;
    color: var(--text);
    font-weight: 400;
    margin-bottom: 8px;
}

.other-plot-card .brief {
    font-size: 0.85rem;
    color: var(--muted);
}

/* ═══ CONTACT FORM ═══ */
.form-container {
    max-width: 600px;
    margin: 40px auto;
}

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

.form-group label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--label);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 3px;
    color: var(--text);
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    font-weight: 300;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #4a5e75;
}

/* ═══ PORTFOLIO SUMMARY BAR ═══ */
.portfolio-summary {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 40px;
    margin: 40px 0;
    text-align: center;
}

.portfolio-summary .total-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--label);
    margin-bottom: 12px;
}

.portfolio-summary .total-price {
    font-family: 'Source Serif 4', serif;
    font-size: 2.2rem;
    color: var(--gold);
    margin-bottom: 8px;
}

.portfolio-summary .total-sub {
    font-size: 0.9rem;
    color: var(--muted);
}

/* ═══ BLOCKQUOTE ═══ */
blockquote {
    border-left: 3px solid var(--gold);
    padding: 20px 28px;
    margin: 30px 0;
    background: rgba(184, 164, 114, 0.04);
    border-radius: 0 4px 4px 0;
}

blockquote p {
    color: var(--muted);
    font-style: italic;
    font-size: 1rem;
    max-width: none;
    margin-bottom: 8px;
}

blockquote cite {
    color: var(--label);
    font-size: 0.85rem;
    font-style: normal;
}

/* ═══ THANK YOU ═══ */
.thankyou-icon {
    font-size: 3rem;
    color: var(--gold);
    margin-bottom: 24px;
}

/* ═══ FOOTER ═══ */
footer {
    padding: 60px;
    border-top: 1px solid var(--border);
    text-align: center;
}

footer .contact {
    color: var(--gold);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

footer .contact a {
    color: var(--gold);
    text-decoration: none;
}

footer .contact a:hover {
    color: var(--gold-light);
}

footer .legal {
    color: #4a5e75;
    font-size: 0.75rem;
    margin-top: 8px;
}

/* ═══ RESPONSIVE ═══ */
@media (max-width: 1024px) {
    .info-grid-three {
        grid-template-columns: repeat(2, 1fr);
    }

    .plot-detail-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    nav {
        padding: 0 24px;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--nav-bg);
        flex-direction: column;
        padding: 20px 24px;
        gap: 16px;
        border-bottom: 1px solid rgba(180, 160, 100, 0.15);
    }

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

    .nav-toggle {
        display: block;
    }

    .hero {
        padding: 120px 24px 60px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }

    .hero-divider {
        width: 60px;
        height: 1px;
        align-self: center;
    }

    .hero-stat .number {
        font-size: 2.2rem;
    }

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

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

    .section {
        padding: 60px 24px;
    }

    .section h2 {
        font-size: 1.7rem;
    }

    .page-hero {
        padding: 110px 24px 60px;
    }

    .page-hero h1 {
        font-size: 1.9rem;
    }

    .info-grid, .info-grid-three {
        grid-template-columns: 1fr;
    }

    .cta-section {
        padding: 80px 24px;
    }

    .other-plots-grid {
        grid-template-columns: 1fr;
    }

    .step-card {
        flex-direction: column;
        gap: 12px;
    }

    footer {
        padding: 40px 24px;
    }

    .data-table {
        display: block;
        overflow-x: auto;
    }

    .project-card .project-details {
        flex-direction: column;
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .stats-bar {
        grid-template-columns: 1fr;
    }

    .hero-stat .number {
        font-size: 1.8rem;
    }

    .section h2 {
        font-size: 1.5rem;
    }
}