/* =========================================================
   Ruby Dental — Hoja de estilos
   Paleta extraída del sitio actual (rojo vino corporativo)
   ========================================================= */

:root {
    --color-primary: #ad1717;      /* rojo botones / acentos */
    --color-primary-dark: #920000; /* rojo oscuro (header, secciones) */
    --color-accent: #cfe9ec;       /* celeste suave decorativo */
    --color-text: #2b2b2b;
    --color-text-light: #687279;
    --color-bg: #ffffff;
    --color-bg-soft: #fbf6f6;
    --color-whatsapp: #25d366;
    --radius: 14px;
    --shadow: 0 10px 30px rgba(146, 0, 0, 0.08);
    --font-heading: 'Poppins', 'Segoe UI', sans-serif;
    --font-body: 'Nunito', 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
}

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

a { text-decoration: none; color: inherit; }

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--color-primary-dark);
    line-height: 1.25;
    margin: 0 0 0.6em;
}

.container {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ---------- Botones ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
    text-transform: uppercase;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 8px 20px rgba(173, 23, 23, 0.35);
}
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-outline {
    background: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary); color: #fff; }
.btn-whatsapp {
    background: var(--color-whatsapp);
    color: #fff;
}
.btn-block { width: 100%; justify-content: center; }

/* ---------- Header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(6px);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}
.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    padding-bottom: 14px;
    max-width: 1300px;
    gap: 20px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.3rem;
    color: var(--color-primary-dark);
    flex-shrink: 0;
}
.logo img { height: 60px; width: auto; }

.main-nav { display: flex; align-items: center; gap: 20px; flex-wrap: nowrap; }
.main-nav a {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-text);
    position: relative;
    white-space: nowrap;
}
.main-nav a.active,
.main-nav a:hover { color: var(--color-primary); }

/* El botón "Agendar Cita" del menú es un .btn-primary (fondo rojo escarlata):
   sin esta regla, ".main-nav a" (más específica) le gana a ".btn-primary" y
   el texto se ve oscuro en vez de blanco. */
.main-nav a.btn-primary,
.main-nav a.btn-primary:hover,
.main-nav a.btn-primary:active,
.main-nav a.btn-primary:visited {
    color: #fff;
}
.nav-social { display: flex; gap: 14px; align-items: center; }
.nav-social a { color: var(--color-primary-dark); font-size: 1.1rem; }

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.6rem;
    color: var(--color-primary-dark);
    cursor: pointer;
}

/* ---------- Hero ---------- */
.hero {
    background: linear-gradient(135deg, #fff 55%, var(--color-accent) 100%);
    padding: 70px 0 40px;
}
.hero .container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: center;
}
.hero h1 { font-size: clamp(2rem, 4vw, 3rem); color: var(--color-primary); }
.hero p.lead { font-size: 1.15rem; color: var(--color-text-light); margin-bottom: 1.6em; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-image {
    position: relative;
    background: var(--color-accent);
    border-radius: 50%;
    aspect-ratio: 1;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}
.hero-image img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Franja de horario ---------- */
.info-strip,
.info-strip * {
    color: #fff;
}
.info-strip {
    background: var(--color-primary-dark);
    padding: 14px 0;
    font-size: 0.9rem;
}
.info-strip .container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    align-items: center;
    text-align: center;
}
.info-strip strong { font-weight: 700; }
.info-strip .sep { opacity: 0.5; }

/* ---------- Secciones genéricas ---------- */
.section { padding: 70px 0; }
.section-soft { background: var(--color-bg-soft); }
.section-header { text-align: center; max-width: 680px; margin: 0 auto 46px; }
.eyebrow {
    display: inline-block;
    color: var(--color-primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.8rem;
    margin-bottom: 10px;
}
.section-header p { color: var(--color-text-light); }

/* ---------- Tarjetas de servicios ---------- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.services-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* Secciones de dos columnas (imagen + texto, texto + mapa, etc.) */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 44px;
    align-items: center;
}
.bio-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 50px;
    align-items: center;
}
/* ---------- Fila de servicio (página Servicios) ---------- */
.servicio-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 44px;
    align-items: center;
    padding: 50px 0;
}
.servicio-row.con-borde { border-top: 1px solid #eee; }
.servicio-row.invertido .servicio-texto { order: 2; }
.servicio-row.invertido .servicio-foto { order: 1; }
.servicio-title-row {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 6px;
}
.servicio-title-row img { width: 42px; height: 42px; object-fit: contain; flex-shrink: 0; }
.servicio-title-row h2 { margin: 0; }
.servicio-foto {
    background: var(--color-accent);
    border-radius: 20px;
    aspect-ratio: 4/5;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
}
.servicio-foto img { width: 100%; height: 100%; object-fit: cover; }
.service-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 30px 24px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(146, 0, 0, 0.06);
    transition: transform 0.2s ease;
}
.service-card:hover { transform: translateY(-6px); }
.service-card .icon {
    width: 56px; height: 56px;
    border-radius: 16px;
    background: var(--color-accent);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 18px;
}
.service-card.featured {
    background: linear-gradient(160deg, var(--color-primary-dark), var(--color-primary));
    color: #fff;
    grid-column: span 2;
}
.service-card.featured .icon { background: rgba(255,255,255,0.18); }
.service-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.service-card p { color: var(--color-text-light); font-size: 0.95rem; margin-bottom: 16px; }
.service-card a.more { font-weight: 700; color: var(--color-primary); font-size: 0.9rem; }
.service-card.featured a.more { color: #fff; text-decoration: underline; }
.services-grid-3.valores .service-card { text-align: center; }
.services-grid-3.valores .icon { margin: 0 auto 18px; }

/* Regla de refuerzo: cualquier bloque con fondo rojo escarlata (rojo o rojo
   oscuro de marca) siempre usa texto blanco, sin importar qué se agregue
   dentro más adelante (encabezados, párrafos, enlaces, íconos). */
.service-card.featured,
.service-card.featured * ,
.cta-banner,
.cta-banner * { color: #fff; }

.cta-banner {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
}

/* ---------- Stats ---------- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    text-align: center;
}
.stat-item .num { font-size: 2.4rem; font-weight: 800; color: var(--color-primary); font-family: var(--font-heading); }
.stat-item .label { color: var(--color-text-light); font-weight: 600; }

/* ---------- Testimonios ---------- */
.testimonial-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 28px;
    margin: 0 10px;
}
.testimonial-card .stars { color: #f5a623; margin-bottom: 12px; }
.testimonial-card .author { margin-top: 16px; font-weight: 700; color: var(--color-primary-dark); }

/* ---------- Blog ---------- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.blog-card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}
.blog-card .thumb {
    aspect-ratio: 16/9;
    background: var(--color-accent);
    position: relative;
    overflow: hidden;
}
.blog-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.blog-card .play-badge {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    background: rgba(146,0,0,0.25);
    color: #fff; font-size: 2.4rem;
}
.blog-card .body { padding: 20px; }
.blog-card .meta { font-size: 0.8rem; color: var(--color-text-light); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.04em; }
.blog-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.blog-card p { color: var(--color-text-light); font-size: 0.92rem; }

.video-embed { position: relative; padding-top: 56.25%; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* ---------- Formularios ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
.form-group.full { grid-column: 1 / -1; }
label { font-weight: 700; font-size: 0.88rem; color: var(--color-text); }
input, select, textarea {
    padding: 12px 14px;
    border: 1.5px solid #e3d9d9;
    border-radius: 10px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    background: #fff;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(173,23,23,0.12);
}

/* ---------- Selector de citas ---------- */
.booking-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 36px;
}
.steps { display: flex; gap: 10px; margin-bottom: 32px; flex-wrap: wrap; }
.steps .step {
    flex: 1;
    min-width: 140px;
    text-align: center;
    padding: 10px;
    border-radius: 10px;
    background: var(--color-bg-soft);
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--color-text-light);
}
.steps .step.active { background: var(--color-primary); color: #fff; }
.steps .step.done { background: var(--color-accent); color: var(--color-primary-dark); }

.service-choice-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-bottom: 20px; }
.service-choice {
    border: 2px solid #e3d9d9;
    border-radius: 12px;
    padding: 16px;
    cursor: pointer;
    font-weight: 700;
}
.service-choice.selected { border-color: var(--color-primary); background: rgba(173,23,23,0.06); color: var(--color-primary-dark); }

.slots-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 14px; }
.slot-btn {
    padding: 12px 6px;
    border-radius: 10px;
    border: 1.5px solid #e3d9d9;
    background: #fff;
    font-weight: 700;
    cursor: pointer;
    text-align: center;
}
.slot-btn:hover { border-color: var(--color-primary); }
.slot-btn.selected { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.slot-btn:disabled { opacity: 0.35; cursor: not-allowed; }

.alert { padding: 14px 18px; border-radius: 10px; margin-bottom: 20px; font-weight: 600; }
.alert-success { background: #e4f7e9; color: #1e7e34; }
.alert-error { background: #fdeaea; color: #b02a2a; }
.alert-info { background: var(--color-accent); color: var(--color-primary-dark); }

/* ---------- Footer ---------- */
.site-footer {
    background: var(--color-primary-dark);
    color: rgba(255,255,255,0.85);
    padding: 50px 0 20px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr 1fr;
    gap: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255,255,255,0.15);
}
.site-footer h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
.site-footer a { color: rgba(255,255,255,0.8); }
.site-footer a:hover { color: #fff; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-bottom { text-align: center; padding-top: 20px; font-size: 0.85rem; color: rgba(255,255,255,0.6); }

/* ---------- WhatsApp flotante ---------- */
.whatsapp-float {
    position: fixed;
    bottom: 22px;
    right: 22px;
    background: var(--color-whatsapp);
    color: #fff;
    width: 58px; height: 58px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.6rem;
    box-shadow: 0 8px 20px rgba(0,0,0,0.25);
    z-index: 200;
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
    .hero .container { grid-template-columns: 1fr; }
    .hero-image { max-width: 340px; margin: 0 auto; }
    .services-grid, .services-grid-3 { grid-template-columns: repeat(2, 1fr); }
    .service-card.featured { grid-column: span 2; }
    .stats-grid { grid-template-columns: 1fr; gap: 30px; }
    .blog-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
    .logo img { height: 42px; }
    .main-nav { position: fixed; top: 72px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 20px; box-shadow: 0 12px 20px rgba(0,0,0,0.1); display: none; }
    .main-nav.open { display: flex; }
    .nav-toggle { display: block; }
    .services-grid, .services-grid-3, .service-card.featured { grid-template-columns: 1fr; grid-column: span 1; }
    .about-grid, .bio-grid, .servicio-row { grid-template-columns: 1fr; gap: 28px; }
    .servicio-row.invertido .servicio-texto, .servicio-row.invertido .servicio-foto { order: 0; }
    .form-grid { grid-template-columns: 1fr; }
    .service-choice-grid { grid-template-columns: 1fr; }
    .slots-grid { grid-template-columns: repeat(2, 1fr); }
    .blog-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
}