:root {
    --color-primary: #0f4c81;
    --color-primary-dark: #0a3660;
    --color-accent: #f5793a;
    --color-accent-dark: #d9611f;
    --color-bg: #f7f8fa;
    --color-surface: #ffffff;
    --color-text: #1c2733;
    --color-text-muted: #5b6b7a;
    --color-border: #dfe4e9;
    --color-success: #1e8a5f;
    --color-danger: #c62828;
    --radius: 10px;
    --shadow: 0 2px 10px rgba(15, 25, 35, 0.08);
    --max-width: 1080px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.55;
}

img { max-width: 100%; display: block; }

a { color: var(--color-primary); }

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.ambiente-banner {
    text-align: center;
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 10px 12px;
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 11;
}

.ambiente-banner-usuario {
    display: block;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: normal;
    text-transform: none;
    margin-top: 2px;
    opacity: 0.9;
}

.ambiente-banner--cliente { background: var(--color-primary); }

.ambiente-banner--maestro { background: var(--color-accent); }

.site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.ambiente-banner + .site-header {
    top: 66px;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    min-height: 68px;
    padding-top: 10px;
    padding-bottom: 10px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-primary);
    text-decoration: none;
}

.logo img { border-radius: 7px; }

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

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: background-color 0.15s ease, transform 0.1s ease;
}

.btn-accent {
    background: var(--color-accent);
    color: #fff;
}

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

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 1.5px solid var(--color-primary);
}

.btn-outline:hover { background: rgba(15, 76, 129, 0.06); }

.btn-outline-light {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255, 255, 255, 0.8);
}

.btn-outline-light:hover { background: rgba(255, 255, 255, 0.12); }

.btn:active { transform: translateY(1px); }

/* Hero */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    padding: 64px 0;
}

.hero-qr {
    position: absolute;
    top: 50%;
    left: 84%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.hero-foto {
    position: absolute;
    top: 50%;
    left: 17%;
    transform: translate(-50%, -50%);
}

.hero-foto img {
    width: 160px;
    height: 160px;
    object-fit: cover;
    border-radius: 12px;
    border: 3px solid rgba(255,255,255,0.4);
}

.hero .container {
    display: flex;
    flex-direction: column;
    gap: 24px;
    text-align: center;
    align-items: center;
}

.hero h1 {
    font-size: clamp(1.9rem, 4vw, 2.8rem);
    margin: 0;
    max-width: 720px;
}

.hero p {
    font-size: 1.1rem;
    max-width: 620px;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    justify-content: center;
}

/* Sections */
.section {
    padding: 56px 0;
}

.section-title {
    text-align: center;
    font-size: 1.8rem;
    margin: 0 0 8px;
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-muted);
    max-width: 620px;
    margin: 0 auto 40px;
}

.grid-rubros {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.card-rubro {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    text-align: center;
    font-weight: 600;
    box-shadow: var(--shadow);
}

.card-rubro-media {
    aspect-ratio: 3 / 4;
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.card-rubro-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
}

.card-rubro-media .card-rubro-icono {
    width: 72px;
    height: 72px;
    object-fit: contain;
}

.card-rubro-nombre {
    display: block;
    padding: 14px 12px;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.step {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-accent);
    color: #fff;
    font-weight: 700;
    margin-bottom: 12px;
}

.cta-band {
    background: var(--color-primary);
    color: #fff;
    text-align: center;
    padding: 48px 0;
}

.cta-band h2 { margin: 0 0 8px; }
.cta-band p { color: rgba(255,255,255,0.85); margin: 0 0 24px; }

/* Footer */
.site-footer {
    background: #101820;
    color: rgba(255, 255, 255, 0.7);
    padding: 32px 0;
    text-align: center;
    font-size: 0.9rem;
}

/* Forms */
.form-page {
    padding: 48px 0 80px;
}

.form-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 32px;
    max-width: 720px;
    margin: 0 auto;
}

.form-card h1 {
    margin-top: 0;
    font-size: 1.6rem;
}

.form-intro {
    color: var(--color-text-muted);
    margin-bottom: 28px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
}

.form-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }

.form-field.full { grid-column: 1 / -1; }

label {
    font-weight: 600;
    font-size: 0.9rem;
}

.hint {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="file"],
select,
textarea {
    padding: 11px 14px;
    border: 1.5px solid var(--color-border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    background: #fff;
    color: var(--color-text);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.error-text {
    color: var(--color-danger);
    font-size: 0.82rem;
}

.field-error input,
.field-error select {
    border-color: var(--color-danger);
}

.alert {
    padding: 14px 18px;
    border-radius: 8px;
    margin-bottom: 24px;
    font-size: 0.92rem;
}

.alert-success {
    background: #e6f4ee;
    color: var(--color-success);
    border: 1px solid #b7e0cc;
}

.alert-error {
    background: #fdecea;
    color: var(--color-danger);
    border: 1px solid #f3b7b3;
}

.form-submit {
    margin-top: 8px;
    width: 100%;
}

.gracias-card {
    text-align: center;
    max-width: 560px;
}

.gracias-icon {
    font-size: 3rem;
    margin-bottom: 12px;
}

@media (max-width: 640px) {
    .hero { padding: 48px 0; }
    .hero-qr { display: none; }
    .hero-foto { display: none; }
    .section { padding: 40px 0; }
    .form-card { padding: 24px; }
}

/* Badges de estado (solicitudes/cotizaciones) */
.badge-estado {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.badge-abierta, .badge-pendiente { background: #fff4e5; color: #b45309; }
.badge-adjudicada, .badge-aceptada { background: #e6f4ee; color: var(--color-success); }
.badge-completada { background: #e6f0fb; color: var(--color-primary); }
.badge-cancelada, .badge-rechazada { background: #fdecea; color: var(--color-danger); }

/* Mensajería */
.chat-box {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    max-height: 340px;
    overflow-y: auto;
    padding: 16px;
    background: var(--color-bg);
    margin-bottom: 16px;
}

.chat-mensaje {
    max-width: 75%;
    margin-bottom: 10px;
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 0.92rem;
    background: #fff;
    border: 1px solid var(--color-border);
}

.chat-mensaje.propio {
    margin-left: auto;
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.chat-mensaje .chat-hora {
    display: block;
    font-size: 0.72rem;
    opacity: 0.7;
    margin-top: 4px;
}

.chat-form {
    display: flex;
    gap: 10px;
}

.chat-form textarea {
    flex: 1;
    resize: none;
}

/* Radio group (tipo de vivienda) */
.radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
    cursor: pointer;
}

.radio-option input[type="radio"] {
    width: auto;
}

/* Gráfico de gestión (barras, portal de cliente) */
.gestion-bar-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}

.gestion-bar-label {
    flex: 0 0 160px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.gestion-bar-track {
    flex: 1;
    background: var(--color-bg);
    border-radius: 999px;
    height: 10px;
    overflow: hidden;
}

.gestion-bar-fill {
    height: 100%;
    border-radius: 999px;
}

/* Banner de oferta (cliente Preferente) */
.promo-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
}

.promo-card ul { color: rgba(255, 255, 255, 0.9); }

.promo-badge {
    display: inline-block;
    background: var(--color-accent);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 3px 10px;
    border-radius: 999px;
}