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

:root {
    --bg-main: #fafafa;
    --bg-light: #ffffff;
    --bg-card: #f5f5f5;
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --text-muted: #7a7a7a;
    --accent-blue: #4870b8;
    --accent-blue-light: #5880c8;
    --border-color: #e5e5e5;
    --success-color: #4caf50;
    --header-height: 80px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', 'Roboto', 'Arial', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

/* ========================================
   UTILITARIOS
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section[id] {
    scroll-margin-top: calc(var(--header-height) + 12px);
}

.section-label {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-primary);
    margin-bottom: 2rem;
}

.placeholder-image {
    width: 100%;
    height: 400px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-color: #f0f0f0;
}

.video-placeholder {
    width: 100%;
    height: 400px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    background-color: #1a1a1a;
}

.video-placeholder::before {
    content: '';
    position: absolute;
    font-size: 60px;
    color: white;
    opacity: 0;
    z-index: 0;
}

.video-placeholder video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ========================================
   ANIMACIONES
   ======================================== */
@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFromTop {
    from {
        opacity: 0;
        transform: translateY(-100px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInFromBottom {
    from {
        opacity: 0;
        transform: translateY(100px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-in-left {
    animation: slideInFromLeft 0.8s ease-out 0.3s both;
}

.slide-in-right {
    animation: slideInFromRight 0.8s ease-out 0.3s both;
}

.slide-in-top {
    animation: slideInFromTop 0.8s ease-out 0.3s both;
}

.slide-in-bottom {
    animation: slideInFromBottom 0.8s ease-out 0.3s both;
}

/* ========================================
   IMÁGENES EN TARJETAS
   ======================================== */
.tech-image,
.servicio-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #f0f0f0 0%, #e8e8e8 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 400;
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.servicio-image {
    height: 250px;
    background: linear-gradient(135deg, #f9fafb 0%, #f5f5f5 100%);
}

.hero-accent-image,
.diferencial-accent-image,
.contacto-accent-image {
    width: 100%;
    max-width: 300px;
    height: 160px;
    background: linear-gradient(135deg, #e8f0ff 0%, #f0f4ff 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 400;
    margin-top: 1.5rem;
    border: 1px solid rgba(72, 112, 184, 0.15);
    overflow: hidden;
}

.hero-accent-image {
    margin-left: auto;
}

.diferencial-accent-image {
    margin-top: 2rem;
}

.contacto-accent-image {
    margin-top: 2rem;
}

/* ========================================
   BOTONES
   ======================================== */
.btn-contact,
.btn-cta,
.btn-submit {
    padding: 14px 28px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    border: none;
    border-radius: 0;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
}

.btn-contact {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--text-primary);
    padding: 11px 18px;
}

.btn-contact:hover {
    background-color: var(--text-primary);
    color: white;
}

.btn-cta,
.btn-submit {
    background-color: var(--text-primary);
    color: white;
    width: 100%;
    max-width: 280px;
}

.btn-cta:hover,
.btn-submit:hover {
    background-color: var(--text-secondary);
    transform: none;
}

/* ========================================
   HEADER / NAVBAR
   ======================================== */
.header {
    background-color: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
    height: var(--header-height);
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-primary);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.main-nav .btn-contact {
    margin-left: 8px;
}

.main-nav a {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-primary);
    text-decoration: none;
    opacity: 0.75;
    transition: opacity 0.2s ease;
}

.main-nav a:hover {
    opacity: 1;
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--border-color);
    background: var(--bg-light);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
}

.nav-toggle span {
    width: 18px;
    height: 2px;
    background: var(--text-primary);
    display: block;
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    background: linear-gradient(135deg, #ffffff 0%, #fafafa 100%);
    position: relative;
    overflow: hidden;
    min-height: calc(100vh - var(--header-height));
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(72, 112, 184, 0.12) 0%, rgba(72, 112, 184, 0) 70%);
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 5%;
    width: 3px;
    height: 40%;
    background: linear-gradient(180deg, rgba(72, 112, 184, 0.25) 0%, transparent 100%);
    z-index: 0;
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 0 20px;
    width: 100%;
    position: relative;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-label {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-primary);
    margin-bottom: 2rem;
    display: block;
}

.hero-title {
    font-size: 56px;
    font-weight: 400;
    line-height: 1.15;
    margin-bottom: 2rem;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.hero-subtitle {
    font-size: 19px;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    max-width: 480px;
}

.hero-coverage {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 2rem;
    font-style: italic;
}

.hero-image {
    position: relative;
}

/* ========================================
   DIFERENCIAL SECTION
   ======================================== */
.diferencial {
    background: linear-gradient(135deg, #f9fafb 0%, #f5f5f5 100%);
    padding: 0;
    border-bottom: 1px solid var(--border-color);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.diferencial::before {
    content: '';
    position: absolute;
    top: 10%;
    left: -5%;
    width: 500px;
    height: 500px;
    background: linear-gradient(45deg, transparent 48%, rgba(72, 112, 184, 0.07) 49%, rgba(72, 112, 184, 0.07) 51%, transparent 52%);
    background-size: 80px 80px;
    z-index: 0;
    pointer-events: none;
}

.diferencial::after {
    content: '';
    position: absolute;
    right: 5%;
    top: 20%;
    width: 3px;
    height: 60%;
    background: linear-gradient(180deg, rgba(72, 112, 184, 0.2) 0%, transparent 100%);
    z-index: 0;
    pointer-events: none;
}

.diferencial .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    width: 100%;
    position: relative;
    z-index: 1;
}

.diferencial .video-placeholder {
    grid-column: 1;
}

.diferencial-content {
    grid-column: 2;
}

.diferencial h2 {
    font-size: 52px;
    font-weight: 400;
    margin-bottom: 2rem;
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.diferencial .section-text {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 500px;
    line-height: 1.8;
}

.diferencial .video-placeholder {
    height: 500px;
}

/* ========================================
   TECH SECTION
   ======================================== */
.tech-section {
    background: linear-gradient(135deg, #ffffff 0%, #f9fafb 100%);
    padding: 0;
    border-bottom: 1px solid var(--border-color);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.tech-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(90deg, rgba(72, 112, 184, 0.06) 1px, transparent 1px),
        linear-gradient(180deg, rgba(72, 112, 184, 0.06) 1px, transparent 1px);
    background-size: 100px 100px;
    z-index: 0;
    pointer-events: none;
}

.tech-section::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(72, 112, 184, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
}

.tech-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    position: relative;
    z-index: 1;
}

.tech-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.tech-card {
    background-color: transparent;
    border: none;
    border-radius: 0;
    padding: 0;
    transition: none;
}

.tech-card:hover {
    border-color: transparent;
}

.tech-card h3 {
    font-size: 32px;
    font-weight: 400;
    margin: 2rem 0 1rem 0;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.tech-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
    font-size: 16px;
}

.tech-card ol {
    list-style: none;
    padding: 0;
    margin-top: 1.5rem;
}

.tech-card li {
    padding: 1rem 0;
    color: var(--text-secondary);
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 16px;
    line-height: 1.6;
}

.tech-card li span {
    color: var(--text-primary);
    font-weight: 700;
    min-width: 30px;
}

/* ========================================
   PROCESO GRID
   ======================================== */
.process-header {
    text-align: center;
    margin: 0 auto 3rem auto;
    max-width: 680px;
}

.process-header h2 {
    font-size: 44px;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0 0 12px 0;
    letter-spacing: -0.4px;
}

.process-subtitle {
    font-size: 17px;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.8;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 36px;
}

.process-card {
    background-color: transparent;
    padding: 0;
    text-align: center;
    border: none;
    border-radius: 0;
    position: relative;
    transition: transform 0.3s ease;
}

.process-card:hover {
    transform: translateY(-4px);
}

.process-media {
    width: 200px;
    height: 200px;
    margin: 0 auto 18px auto;
    border-radius: 50%;
    overflow: hidden;
    position: relative;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.12);
}

.process-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(20%);
}

.process-badge {
    position: absolute;
    right: -6px;
    top: -6px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #111111;
    color: #ffffff;
    font-weight: 700;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid #ffffff;
}

.process-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 0.6rem;
    color: var(--text-primary);
    letter-spacing: -0.2px;
}

.process-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* ========================================
   SERVICIOS SECTION
   ======================================== */
.servicios {
    background: linear-gradient(135deg, #f5f5f5 0%, #fafafa 100%);
    padding: 0;
    border-bottom: 1px solid var(--border-color);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.servicios::before {
    content: '';
    position: absolute;
    top: 50%;
    right: -20%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(72, 112, 184, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
}

.servicios::after {
    content: '';
    position: absolute;
    top: 5%;
    left: 3%;
    width: 3px;
    height: 90%;
    background: linear-gradient(180deg, transparent 0%, rgba(72, 112, 184, 0.18) 50%, transparent 100%);
    z-index: 0;
    pointer-events: none;
}

.servicios .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
}

.servicios-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    margin-top: 3rem;
}

.servicio-card {
    background-color: transparent;
    border: none;
    border-radius: 0;
    padding: 0;
    transition: none;
}

.servicio-card:hover {
    border-color: transparent;
    background-color: transparent;
}

.servicio-card h3 {
    font-size: 30px;
    font-weight: 400;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.servicio-card p {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 17px;
}

/* ========================================
   CONTACTO SECTION
   ======================================== */
.contacto {
    background: linear-gradient(135deg, #ffffff 0%, #f5f5f5 100%);
    padding: 0;
    border-bottom: 1px solid var(--border-color);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.contacto::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -5%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(72, 112, 184, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
}

.contacto::after {
    content: '';
    position: absolute;
    bottom: 5%;
    left: 5%;
    width: 3px;
    height: 60%;
    background: linear-gradient(180deg, transparent 0%, rgba(72, 112, 184, 0.22) 50%, transparent 100%);
    z-index: 0;
    pointer-events: none;
}

.contacto .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    position: relative;
    z-index: 1;
}

.contacto-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    align-items: stretch;
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.contacto-panel {
    position: relative;
    min-height: 520px;
    background-image: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?w=800&h=900&fit=crop');
    background-size: cover;
    background-position: center;
    color: #ffffff;
}

.contacto-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10, 12, 16, 0.75) 0%, rgba(10, 12, 16, 0.75) 100%);
    z-index: 0;
}

.contacto-panel-content {
    position: relative;
    z-index: 1;
    padding: 50px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.contacto-panel .section-label {
    color: rgba(255, 255, 255, 0.75);
}

.contacto-panel h2 {
    font-size: 40px;
    font-weight: 400;
    margin: 0;
    color: #ffffff;
    letter-spacing: -0.5px;
}

.contacto-panel p {
    color: rgba(255, 255, 255, 0.85);
    margin: 0 0 10px 0;
    line-height: 1.7;
}

.contacto-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 16px;
}

.contacto-label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 6px;
}

.contacto-value {
    display: block;
    font-size: 15px;
    color: #ffffff;
    font-weight: 600;
}

.contacto-info h2 {
    font-size: 52px;
    font-weight: 400;
    margin: 0 0 1.5rem 0;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.contacto-info p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1rem;
    font-size: 17px;
}

/* ========================================
   FORMULARIO
   ======================================== */
.formulario {
    background-color: var(--bg-light);
    border: none;
    border-left: 1px solid var(--border-color);
    border-radius: 0;
    padding: 50px;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.formulario label {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.formulario label span {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-primary);
}

.formulario input,
.formulario textarea,
.formulario select {
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 0;
    padding: 14px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 15px;
    transition: all 0.3s ease;
}

.formulario input:focus,
.formulario textarea:focus,
.formulario select:focus {
    outline: none;
    border-color: var(--text-primary);
    box-shadow: none;
}

.form-radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.radio-option input {
    accent-color: var(--text-primary);
}

.role-fields {
    display: grid;
    gap: 20px;
}

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

.formulario .btn-submit {
    max-width: none;
    margin-top: 10px;
    width: 100%;
}

.form-note {
    font-size: 12px;
    padding: 10px;
    border-radius: 0;
    text-align: center;
    display: none;
}

.form-note.success {
    display: block;
    background-color: #e8f5e9;
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.form-note.error {
    display: block;
    background-color: #ffebee;
    color: #d32f2f;
    border: 1px solid #d32f2f;
}

.status-modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.status-modal[hidden] {
    display: none;
}

.status-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
}

.status-modal-content {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 520px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    padding: 34px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.22);
}

.status-modal-content h3 {
    font-size: 30px;
    margin: 0 0 14px 0;
    color: var(--text-primary);
}

.status-modal-content p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0 0 12px 0;
}

.status-modal-content .btn-submit {
    margin-top: 14px;
    width: 100%;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background-color: var(--bg-light);
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
    text-align: center;
}

.footer p {
    color: var(--text-muted);
    font-size: 12px;
    margin-bottom: 0.5rem;
    letter-spacing: 0.5px;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
    :root {
        --header-height: 64px;
    }

    .logo {
        font-size: 14px;
    }

    .header .container {
        position: relative;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .main-nav {
        display: none;
        position: absolute;
        right: 20px;
        top: calc(100% + 10px);
        width: min(270px, calc(100vw - 40px));
        background: var(--bg-light);
        border: 1px solid var(--border-color);
        padding: 14px;
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        z-index: 150;
        box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
    }

    .main-nav.is-open {
        display: flex;
    }

    .main-nav a {
        padding: 6px 2px;
    }

    .main-nav .btn-contact {
        margin-left: 0;
        width: 100%;
    }

    .hero {
        min-height: auto;
        padding: 60px 0;
    }

    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 0 20px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 15px;
    }

    .contacto-content,
    .tech-grid,
    .servicios-grid,
    .diferencial .container,
    .process-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .diferencial .video-placeholder,
    .diferencial-content {
        grid-column: auto;
    }

    .diferencial .video-placeholder {
        height: 320px;
    }

    .contacto-content {
        gap: 0;
    }

    .contacto-panel {
        min-height: 280px;
    }

    .formulario {
        border-left: none;
        border-top: 1px solid var(--border-color);
    }

    .diferencial,
    .tech-section,
    .servicios,
    .contacto {
        min-height: auto;
        padding: 60px 0;
    }

    .diferencial h2,
    .contacto-info h2 {
        font-size: 34px;
    }

    .tech-card h3,
    .servicio-card h3 {
        font-size: 22px;
    }
}