/* ===== NORTREX · STYLES.CSS ===== */
/* Versión con detalles técnicos y tono directo */

:root {
    --bg-deep: #0a0a0a;
    --bg-elevated: #111111;
    --bg-card: #141414;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-tertiary: #6c6c6c;
    --border-subtle: #222222;
    --accent-blue: #0a66c2;
    --accent-blue-hover: #0a4c8c;
    --font-sans: 'Inter', 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
    --space-unit: 2rem;
    --transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-deep);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
}

/* ===== CONTAINER ===== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-unit);
}

/* ===== TIPOGRAFÍA ===== */
h1, h2, h3, h4 {
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.8rem, 8vw, 4.5rem);
    margin-bottom: 1.5rem;
}

h2 {
    font-size: clamp(2.2rem, 5vw, 3.2rem);
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

h3 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

.section-tag {
    display: inline-block;
    color: var(--accent-blue);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--accent-blue);
    padding-bottom: 0.25rem;
}

.text-accent {
    color: var(--accent-blue);
}

/* ===== HEADER ===== */
.main-header {
    border-bottom: 1px solid var(--border-subtle);
    background-color: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-links a.active {
    color: var(--accent-blue);
}

/* ===== BOTONES ===== */
.btn {
    display: inline-block;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
    padding: 0.9rem 2rem;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    font-family: var(--font-sans);
    letter-spacing: 0.3px;
}

.btn-primary {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
    color: white;
}

.btn-primary:hover {
    background-color: var(--accent-blue-hover);
    border-color: var(--accent-blue-hover);
    transform: translateY(-1px);
}

.btn-outline {
    border-color: var(--border-subtle);
    color: var(--text-secondary);
}

.btn-outline:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.btn-large {
    padding: 1.2rem 3rem;
    font-size: 1.1rem;
}

.btn-small {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 5rem 0 4rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: clamp(2.8rem, 6vw, 4.5rem);
    line-height: 1.1;
}

.hero-subtitle {
    margin-bottom: 2.5rem;
}

.hero-subtitle-text {
    display: block;
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.origin-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(10, 102, 194, 0.1);
    border: 1px solid var(--accent-blue);
    padding: 0.5rem 1.2rem;
    margin-top: 0.5rem;
}

.origin-flag {
    font-size: 1.5rem;
    line-height: 1;
}

.origin-text {
    font-weight: 500;
    color: var(--text-primary);
    letter-spacing: 0.3px;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.hero-stat {
    text-align: right;
}

.stat-number {
    font-size: 8rem;
    font-weight: 700;
    color: var(--accent-blue);
    line-height: 1;
    opacity: 0.9;
}

.stat-label {
    font-size: 1.2rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== GAP SECTION ===== */
.gap-section {
    padding: 6rem 0;
    background-color: var(--bg-elevated);
}

.gap-content {
    max-width: 900px;
}

.gap-statement {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 2rem 0;
    line-height: 1.2;
}

.gap-hard-truth {
    font-size: 1.3rem;
    color: var(--text-secondary);
    border-left: 3px solid var(--accent-blue);
    padding-left: 1.5rem;
    margin-top: 2rem;
}

.gap-metric {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-top: 2rem;
}

.metric-line {
    width: 100px;
    height: 2px;
    background-color: var(--accent-blue);
}

.metric-text {
    color: var(--text-secondary);
    font-size: 1rem;
    letter-spacing: 1px;
}

/* ===== SOLUTIONS SECTION ===== */
.solutions-section {
    padding: 6rem 0;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.solution-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-subtle);
    padding: 2.5rem;
    transition: var(--transition);
    position: relative;
    cursor: pointer;
}

.solution-card:hover {
    border-color: var(--accent-blue);
    transform: translateY(-4px);
}

.solution-card h3 {
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
}

.solution-card p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.solution-link {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-block;
    transition: var(--transition);
}

.solution-link:hover {
    transform: translateX(4px);
}

/* Detalle técnico */
.solution-tech-detail {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
    margin-top: 0;
    background-color: var(--bg-deep);
    border: 1px solid var(--border-subtle);
    border-top: none;
}

.solution-tech-detail.active {
    max-height: 500px;
    margin-top: 1.5rem;
}

.tech-detail-content {
    padding: 2rem;
}

.tech-detail-content h4 {
    color: var(--accent-blue);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.tech-detail-content ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.tech-detail-content li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.tech-dot {
    color: var(--accent-blue);
    margin-right: 0.5rem;
    font-size: 0.8rem;
}

.tech-case {
    font-size: 0.95rem;
    font-style: italic;
    border-top: 1px solid var(--border-subtle);
    padding-top: 1rem;
    margin-top: 1rem;
}

/* ===== CALCULATOR SECTION ===== */
.calculator-section {
    padding: 6rem 0;
    background-color: var(--bg-elevated);
}

.calculator-container {
    max-width: 1000px;
    margin: 0 auto;
}

.calculator-description {
    font-size: 1.2rem;
    margin-bottom: 3rem;
}

.calculator-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    background-color: var(--bg-card);
    border: 1px solid var(--border-subtle);
    padding: 3rem;
}

.input-group {
    margin-bottom: 1.5rem;
}

.input-group label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.calculator-input {
    width: 100%;
    background-color: var(--bg-deep);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    padding: 1rem;
    font-size: 1rem;
    font-family: var(--font-sans);
    transition: var(--transition);
}

.calculator-input:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.btn-calculate {
    width: 100%;
    margin-top: 1rem;
}

.result-card {
    background-color: var(--bg-deep);
    border: 1px solid var(--border-subtle);
    padding: 2.5rem;
    text-align: center;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.result-label {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.result-amount {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--accent-blue);
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

.result-period {
    color: var(--text-tertiary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.result-footnote {
    color: var(--text-tertiary);
    font-size: 0.8rem;
    border-top: 1px solid var(--border-subtle);
    padding-top: 1rem;
    margin-bottom: 0.5rem;
}

.result-hard-fact {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
}

/* ===== TECH SECTION ===== */
.tech-section {
    padding: 6rem 0;
}

.tech-header {
    margin-bottom: 4rem;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.tech-item {
    text-align: center;
    padding: 2rem;
    background-color: var(--bg-card);
    border: 1px solid var(--border-subtle);
    transition: var(--transition);
}

.tech-item:hover {
    border-color: var(--accent-blue);
}

.tech-icon {
    display: block;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.tech-name {
    font-weight: 600;
    color: var(--text-primary);
}

.tech-statement {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    border-top: 1px solid var(--border-subtle);
    padding-top: 3rem;
}

/* ===== CTA SECTION ===== */
.cta-section {
    padding: 4rem 0 6rem;
}

.cta-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-subtle);
    padding: 4rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-card h2 {
    margin-bottom: 1rem;
}

.cta-card p {
    margin-bottom: 2rem;
}

/* ===== FOOTER ===== */
.main-footer {
    background-color: var(--bg-elevated);
    border-top: 1px solid var(--border-subtle);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: inline-block;
}

.footer-about p {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.footer-links h4 {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-blue);
}

.footer-bottom {
    border-top: 1px solid var(--border-subtle);
    padding-top: 2rem;
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tech-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-stat {
        text-align: left;
    }
    
    .calculator-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .nav-links {
        display: none;
    }
}

@media (max-width: 480px) {
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        text-align: center;
    }
}

/* ===== MEJORAS PARA HEADER ===== */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 110;
}

.menu-toggle span {
    width: 100%;
    height: 3px;
    background-color: var(--text-primary);
    transition: var(--transition);
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg-elevated);
        border-bottom: 1px solid var(--border-subtle);
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease-out;
        gap: 0;
    }

    .nav-links.active {
        max-height: 300px; /* ajustar según número de enlaces */
    }

    .nav-links a {
        padding: 1rem var(--space-unit);
        border-top: 1px solid var(--border-subtle);
        text-align: center;
    }

    .nav-links a:first-child {
        border-top: none;
    }
}

/* ===== ESTILOS PARA AGENDA.HTML ===== */
.hero-scheduling {
    padding: 4rem 0 2rem;
}

.scheduling-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin: 3rem 0;
}

.form-card, .calendar-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-subtle);
    padding: 2.5rem;
}

.form-title {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.form-subtitle {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    background-color: var(--bg-deep);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    padding: 0.8rem;
    font-family: var(--font-sans);
    transition: var(--transition);
}

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

.form-group small {
    display: block;
    color: var(--text-tertiary);
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

.live-loss {
    background-color: var(--bg-deep);
    border: 1px solid var(--border-subtle);
    padding: 1rem;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-blue);
    text-align: center;
}

.contact-info {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-subtle);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-secondary);
    margin-bottom: 0.8rem;
}

.contact-icon {
    font-size: 1.2rem;
    width: 24px;
}

/* Calendario */
.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.calendar-month {
    font-size: 1.2rem;
    font-weight: 600;
}

.calendar-nav span {
    cursor: pointer;
    padding: 0.5rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.calendar-nav span:hover {
    color: var(--accent-blue);
}

.weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.days-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.25rem;
    margin-bottom: 2rem;
}

.day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-deep);
    border: 1px solid var(--border-subtle);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.day.available:hover {
    border-color: var(--accent-blue);
    background-color: rgba(10, 102, 194, 0.1);
}

.day.selected {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
    color: white;
}

.day.past {
    opacity: 0.3;
    cursor: not-allowed;
}

.time-slots {
    margin: 2rem 0;
}

.time-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.slots-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

.slot {
    text-align: center;
    padding: 0.6rem;
    background-color: var(--bg-deep);
    border: 1px solid var(--border-subtle);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.slot.available:hover {
    border-color: var(--accent-blue);
    background-color: rgba(10, 102, 194, 0.1);
}

.slot.selected {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
    color: white;
}

.selection-summary {
    background-color: var(--bg-deep);
    border: 1px solid var(--border-subtle);
    padding: 1.5rem;
    margin: 2rem 0;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.summary-value {
    color: var(--text-primary);
    font-weight: 600;
}

@media (max-width: 768px) {
    .scheduling-grid {
        grid-template-columns: 1fr;
    }
    
    .slots-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}