/* ==========================================
   VARIABLES Y ESTILOS GLOBALES 
   ========================================== */
:root {
    --black-pure: #000000;
    --black-soft: #0a0a0a;
    --charcoal: #141414;
    --charcoal-light: #1f1f1f;

    --gold-primary: #C5A880;
    --gold-bright: #D4AF37;
    --gold-dark: #8C7355;

    --text-light: #f5f5f7;
    --text-muted: #a1a1a6;

    --transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-pill: 50px;
}

html, body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--text-light);
    background-color: var(--black-pure);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, .serif {
    font-family: 'Playfair Display', serif;
    color: var(--text-light);
    font-weight: 400;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-padding {
    padding: 140px 0;
}

/* Utilidad de Glassmorphism */
.glass-panel {
    background: rgba(20, 20, 20, 0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(197, 168, 128, 0.15);
    border-radius: var(--radius-lg);
}

/* Botones Minimalistas */
.btn {
    display: inline-block;
    padding: 14px 36px;
    font-size: 0.85rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid transparent;
    border-radius: var(--radius-pill);
    cursor: pointer;
    text-align: center;
}

.btn-gold {
    background-color: var(--gold-primary);
    color: var(--black-pure);
}

.btn-gold:hover {
    background-color: var(--text-light);
    box-shadow: 0 4px 20px rgba(197, 168, 128, 0.4);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-light);
    border-color: rgba(197, 168, 128, 0.5);
}

.btn-outline:hover {
    background-color: var(--gold-primary);
    color: var(--black-pure);
    border-color: var(--gold-primary);
}

/* ==========================================
   HEADER NATIVO & GLASSMORPHISM
   ========================================== */
header {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

header.scrolled .header-inner {
    background: rgba(10, 10, 10, 0.75);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-color: rgba(197, 168, 128, 0.2);
    padding: 10px 30px;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-pill);
    padding: 15px 20px;
    transition: var(--transition);
    position: relative;
}

.logo {
    color: var(--text-light);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-main {
    font-family: 'Playfair Display', serif;
    font-size: 1.6rem;
    letter-spacing: 1px;
}

.logo-sub {
    font-size: 0.6rem;
    color: var(--gold-primary);
    letter-spacing: 3px;
    text-transform: uppercase;
    font-weight: 400;
    display: block;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 300;
    transition: var(--transition);
}

.nav-links a:not(.btn):hover {
    color: var(--gold-primary);
}

/* ==========================================
   MENÚ HAMBURGUESA
   ========================================== */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 18px;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle .bar {
    height: 2px;
    width: 100%;
    background-color: var(--text-light);
    border-radius: 2px;
    transition: var(--transition);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    background: linear-gradient(rgba(10, 10, 10, 0.8), rgba(10, 10, 10, 0.95)),
        url('https://images.unsplash.com/photo-1589391886645-d51941baf7fb?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat fixed;
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(197, 168, 128, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 900px;
    padding: 0 20px;
}

.hero-tag {
    color: var(--gold-primary);
    text-transform: uppercase;
    letter-spacing: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    margin-bottom: 30px;
    display: inline-block;
    border: 1px solid rgba(197, 168, 128, 0.3);
    padding: 8px 24px;
    border-radius: var(--radius-pill);
    background: rgba(197, 168, 128, 0.05);
}

.hero h1 {
    font-size: clamp(3rem, 6vw, 5.5rem);
    line-height: 1.1;
    margin-bottom: 25px;
    letter-spacing: -0.5px;
}

.hero p {
    color: var(--text-muted);
    font-size: 1.2rem;
    margin-bottom: 40px;
    font-weight: 300;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ==========================================
   ESTADÍSTICAS
   ========================================== */
.stats-section {
    margin-top: -60px;
    position: relative;
    z-index: 10;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.stat-card {
    padding: 40px 20px;
    text-align: center;
}

.stat-card h3 {
    color: var(--gold-primary);
    font-size: 2.5rem;
    margin-bottom: 5px;
}

.stat-card p {
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--text-muted);
    font-weight: 500;
}

/* ==========================================
   LA FIRMA (ABOUT)
   ========================================== */
.about-section {
    background-color: var(--black-pure);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text h2 {
    font-size: 3.5rem;
    margin-bottom: 30px;
    line-height: 1.1;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 25px;
    font-size: 1.05rem;
    font-weight: 300;
}

.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    filter: grayscale(80%) brightness(0.9);
    transition: var(--transition);
}

.about-image:hover img {
    filter: grayscale(20%) brightness(1);
    transform: scale(1.03);
}

/* ==========================================
   ÁREAS DE PRÁCTICA
   ========================================== */
.practice-areas {
    background: var(--charcoal);
    border-radius: 40px;
    margin: 0 20px;
    padding: 100px 5%;
}

.center-heading {
    text-align: center;
    margin-bottom: 80px;
}

.center-heading h2 {
    font-size: 3rem;
}

.practice-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.practice-card {
    padding: 50px 40px;
    transition: var(--transition);
    text-align: center;
}

.practice-card:hover {
    transform: translateY(-10px);
    background: rgba(197, 168, 128, 0.05);
    border-color: rgba(197, 168, 128, 0.4);
}

.practice-card i {
    font-size: 2rem;
    color: var(--gold-primary);
    margin-bottom: 25px;
    background: rgba(197, 168, 128, 0.1);
    width: 70px;
    height: 70px;
    line-height: 70px;
    border-radius: 50%;
}

.practice-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.practice-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 300;
}

/* ==========================================
   EQUIPO / SOCIOS
   ========================================== */
.team-section {
    background-color: var(--black-pure);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.team-member {
    text-align: center;
    cursor: pointer;
}

.member-img-wrapper {
    width: 100%;
    aspect-ratio: 3/4;
    overflow: hidden;
    border-radius: var(--radius-md);
    margin-bottom: 25px;
}

.member-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: var(--transition);
}

.team-member:hover .member-img {
    filter: grayscale(0%);
    transform: scale(1.05);
}

.member-info h3 {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.member-info span {
    color: var(--gold-primary);
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 2px;
    font-weight: 500;
}

/* ==========================================
   CASOS DE ÉXITO
   ========================================== */
.cases-section {
    position: relative;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.case-card {
    padding: 50px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.case-card:hover {
    border-color: var(--gold-primary);
    background: rgba(197, 168, 128, 0.03);
}

.case-card h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.case-card p {
    color: var(--text-muted);
    margin-bottom: 40px;
    font-weight: 300;
    font-size: 1.05rem;
}

.case-result {
    align-self: flex-start;
    font-weight: 500;
    color: var(--black-pure);
    background: var(--gold-primary);
    padding: 8px 24px;
    font-size: 0.75rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    border-radius: var(--radius-pill);
}

/* ==========================================
   CONTACTO Y FORMULARIOS (SPLIT LAYOUT)
   ========================================== */
.contact-section {
    padding: 0;
    margin-bottom: 60px;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--charcoal);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    min-height: 650px;
}

.contact-info {
    padding: 80px;
    background: linear-gradient(rgba(10, 10, 10, 0.8), rgba(10, 10, 10, 0.9)),
        url('https://images.unsplash.com/photo-1589829085413-56de8ae18c73?auto=format&fit=crop&w=1000&q=80') center/cover;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact-info h2 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.office-location {
    margin-top: auto;
    padding-top: 40px;
}

.office-location h4 {
    color: var(--gold-primary);
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.office-location p {
    color: var(--text-muted);
    font-weight: 300;
    margin-bottom: 5px;
}

/* ==========================================
   ANIMACIÓN DE DESLIZAMIENTO (SLIDE 2D)
   ========================================== */
.flip-container {
    position: relative !important;
    width: 100% !important;
    overflow: hidden !important;
    min-height: 650px !important;
    perspective: none !important;
    background: var(--charcoal);
}

.flipper {
    position: relative !important;
    width: 100% !important;
    height: 100% !important;
    transform: none !important;
    transition: none !important;
}

.front, .back {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: flex-start !important;
    transition: transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1), opacity 0.6s ease !important;
}

/* Estado Inicial (Contacto Visible, Pago a la derecha oculto) */
.front {
    transform: translateX(0) !important;
    opacity: 1 !important;
    z-index: 2 !important;
    pointer-events: auto !important;
}

.back {
    transform: translateX(100%) !important;
    opacity: 0 !important;
    z-index: 1 !important;
    pointer-events: none !important;
}

/* Estado Animado con la clase .flipped (Contacto sale a la izquierda, Pago entra al centro) */
.flip-container.flipped .front {
    transform: translateX(-100%) !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

.flip-container.flipped .back {
    transform: translateX(0) !important;
    opacity: 1 !important;
    z-index: 10 !important;
    pointer-events: auto !important;
}

.contact-form-wrapper {
    padding: 40px !important;
    width: 100%;
    height: 100%;
}

.contact-form-wrapper h3 {
    margin-top: 10px !important;
    margin-bottom: 30px !important;
    color: var(--gold-primary);
    text-align: center;
}

/* Campos de Texto y Formularios */
.form-group {
    margin-bottom: 25px;
    position: relative;
}

.form-control {
    width: 100%;
    padding: 15px 0;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    background: transparent;
    color: var(--text-light);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-bottom-color: var(--gold-primary);
}

.form-control::placeholder {
    color: #666;
    font-weight: 300;
}

/* Íconos dentro de inputs */
.input-icon-wrapper {
    position: relative;
}

.input-icon-wrapper i {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gold-primary);
    font-size: 1.1rem;
    z-index: 10;
}

.input-icon-wrapper input,
.input-icon-wrapper textarea,
.input-icon-wrapper .form-control {
    padding-left: 45px !important;
    height: 50px !important;
}

div.form-control {
    display: flex !important;
    align-items: center !important;
}

/* Custom Select */
.custom-select-wrapper { position: relative; width: 100%; }
.custom-select-trigger { display: flex; justify-content: space-between; align-items: center; cursor: pointer; user-select: none; padding: 15px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
.custom-select-options { position: absolute; top: 100%; left: 0; width: 100%; background: rgba(10, 10, 10, 0.95); border: 1px solid rgba(197, 168, 128, 0.3); border-radius: var(--radius-md); margin-top: 5px; z-index: 9999; opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(-10px); transition: all 0.3s; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8); }
.custom-select-wrapper.open .custom-select-options { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); }
.custom-option { padding: 15px 20px; color: var(--text-light); font-size: 0.95rem; font-weight: 300; cursor: pointer; border-bottom: 1px solid rgba(255, 255, 255, 0.05); }
.custom-option:hover { background: rgba(197, 168, 128, 0.15); color: var(--gold-primary); }

/* ==========================================
   FORMULARIO DE PAGO (MERCADO PAGO IFRAMES)
   ========================================== */
#form-pago-custom {
    width: 100%;
}

#form-pago-custom .form-group {
    border-bottom: none !important;
    height: auto !important;
}

#form-pago-custom input.form-control {
    background: transparent !important;
    color: #f5f5f7 !important;
    border: none !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2) !important;
    height: 50px !important;
}

#form-pago-custom input.form-control::placeholder {
    color: #888 !important;
}

#form-pago-custom iframe {
    height: 25px !important;
    width: 100% !important;
    margin-top: 2px !important;
    position: relative !important;
    z-index: 9999 !important;
    pointer-events: auto !important;
}

/* ==========================================
   FOOTER
   ========================================== */
footer {
    padding: 60px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 60px; }
.footer-logo h2 { font-size: 2rem; margin-bottom: 5px; }
.footer-logo span { color: var(--gold-primary); font-size: 0.7rem; letter-spacing: 4px; text-transform: uppercase; }
.footer-col h4 { color: var(--text-light); text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 25px; font-size: 0.8rem; font-weight: 500; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul a { color: var(--text-muted); text-decoration: none; transition: var(--transition); font-size: 0.9rem; font-weight: 300; }
.footer-col ul a:hover { color: var(--gold-primary); }
.footer-bottom { text-align: center; padding-top: 30px; font-size: 0.8rem; color: var(--text-muted); font-weight: 300; border-top: 1px solid rgba(255, 255, 255, 0.05); }

/* ==========================================
   AUTOCOMPLETADO Y RESPONSIVE
   ========================================== */
input:-webkit-autofill, input:-webkit-autofill:hover, input:-webkit-autofill:focus, input:-webkit-autofill:active {
    -webkit-box-shadow: 0 0 0 30px var(--charcoal) inset !important;
    -webkit-text-fill-color: var(--text-light) !important;
    transition: background-color 5000s ease-in-out 0s;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
}

@media (max-width: 1024px) {
    .practice-grid, .team-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-container { grid-template-columns: 1fr; }
    .contact-info, .contact-form-wrapper { padding: 50px 30px !important; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    header { padding: 15px 10px; width: 100%; }
    header .container { width: 100% !important; max-width: 100% !important; padding: 0 15px !important; margin: 0 !important; }
    .header-inner { width: 100% !important; box-sizing: border-box; border-radius: var(--radius-pill) !important; padding: 12px 20px !important; background: rgba(10, 10, 10, 0.85); backdrop-filter: blur(20px); border: 1px solid rgba(197, 168, 128, 0.2) !important; display: flex; justify-content: space-between; align-items: center; }
    .menu-toggle { display: flex; flex-shrink: 0; z-index: 1001; }
    .nav-links { position: absolute; top: 100%; left: 0; width: 100%; margin-top: 12px; background: rgba(20, 20, 20, 0.95); backdrop-filter: blur(24px); border: 1px solid rgba(197, 168, 128, 0.2); border-radius: var(--radius-lg); flex-direction: column; padding: 30px 20px; gap: 25px; text-align: center; z-index: 9999; opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(-10px); transition: var(--transition); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5); }
    .nav-links.active { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); }
    .menu-toggle.active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .menu-toggle.active .bar:nth-child(2) { opacity: 0; }
    .menu-toggle.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
    .hero h1 { font-size: 2.8rem; }
    .stats-section { margin-top: 0; padding: 60px 0; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
    .about-grid, .practice-grid, .team-grid, .cases-grid, .footer-grid { grid-template-columns: 1fr; gap: 40px; }
    .practice-areas { margin: 0; border-radius: 0; padding: 80px 20px; }
}