/* ===== CSS Variables ===== */
:root {
    --color-bg: #0a0a0f;
    --color-bg-elevated: #0e0e15;
    --color-bg-card: #12121a;
    --color-bg-card-2: #16161f;
    --color-border-soft: #20202b;
    --color-border: #2a2a3a;
    --color-border-bright: #3c3c4e;
    --color-text: #e4e4e7;
    --color-text-muted: #a1a1aa;
    --color-text-subtle: #71717a;
    --color-text-faint: #4b4b55;
    /* single restrained chromatic note — used only for hairlines, prompts, labels */
    --color-primary: #3d7d8c;
    --color-primary-line: rgba(61, 125, 140, 0.45);
    /* legacy aliases kept so runtime-injected styles keep resolving */
    --color-primary-glow: rgba(61, 125, 140, 0.12);
    --color-accent: #3d7d8c;
    --font-primary: 'JetBrains Mono', 'Fira Code', 'SF Mono', monospace;
    --font-display: 'Chakra Petch', 'JetBrains Mono', sans-serif;
    --font-micro: 'Alumni Sans SC', 'Chakra Petch', sans-serif;
    --radius-sm: 4px;
    --radius-md: 4px;
    --radius-lg: 4px;
    --transition: 160ms ease-out;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    letter-spacing: -0.01em;
}

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

ul {
    list-style: none;
}

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

/* ===== Container ===== */
.container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 32px;
}

/* ===== Micro spec labels (Alumni Sans SC) ===== */
.micro {
    font-family: var(--font-micro);
    font-size: 10px;
    letter-spacing: 0.34em;
    text-transform: uppercase;
    color: var(--color-text-faint);
    line-height: 1;
}

.micro .dot {
    color: var(--color-primary);
}

.sec-mark {
    position: absolute;
    bottom: 26px;
    left: 0;
    right: 0;
    text-align: center;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 22px;
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-primary {
    background: var(--color-text);
    color: var(--color-bg);
    border-color: var(--color-text);
}

.btn-primary:hover {
    filter: brightness(1.12);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
}

.btn-outline:hover {
    color: var(--color-text);
    border-color: var(--color-border-bright);
    background: var(--color-bg-elevated);
}

.btn-lg {
    padding: 14px 26px;
    font-size: 12px;
}

.btn-full {
    width: 100%;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(10, 10, 15, 0.72);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--color-border-soft);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* two-tone wordmark — modulat·io */
.logo {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 18px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.logo b {
    color: var(--color-primary);
    font-weight: 600;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-text-subtle);
    transition: color var(--transition);
}

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

.nav-links .btn {
    color: var(--color-bg);
}

.nav-links .lang-switch {
    font-size: 11px;
    letter-spacing: 0.16em;
    padding: 5px 9px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-subtle);
}

.nav-links .lang-switch:hover {
    color: var(--color-text);
    border-color: var(--color-border-bright);
    background: var(--color-bg-elevated);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 132px 0 120px;
    overflow: hidden;
    border-bottom: 1px solid var(--color-border-soft);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, var(--color-bg-elevated) 0%, transparent 60%);
    opacity: 0.6;
    pointer-events: none;
}

.hero .container {
    position: relative;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 64px;
    align-items: center;
}

.hero-tagline,
.section-tagline {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.prompt {
    color: var(--color-primary);
    font-weight: 700;
}

.cursor {
    color: var(--color-primary);
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(32px, 4.6vw, 56px);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.01em;
    line-height: 1.16;
    margin-bottom: 26px;
    color: var(--color-text);
}

.hero-description {
    font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.85;
    margin-bottom: 34px;
    max-width: 48ch;
}

.hero-cta {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

/* Code Block Visual */
.hero-visual {
    display: flex;
    justify-content: center;
}

.code-block {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    max-width: 440px;
    width: 100%;
}

.code-header {
    display: flex;
    gap: 7px;
    padding: 13px 16px;
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border-soft);
}

.dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--color-border-bright);
}

.dot.red,
.dot.yellow,
.dot.green { background: var(--color-border-bright); }

.code-block pre {
    padding: 26px;
    margin: 0;
    font-family: var(--font-primary);
    font-size: 13px;
    line-height: 1.85;
    overflow-x: auto;
}

.code-block code { color: var(--color-text-subtle); }
.code-block .keyword { color: var(--color-text); }
.code-block .variable { color: var(--color-text-muted); }
.code-block .property { color: var(--color-primary); }
.code-block .string { color: var(--color-text-muted); }
.code-block .boolean,
.code-block .number { color: var(--color-text-muted); }
.code-block .function { color: var(--color-text); }

/* ===== Section Styling ===== */
section {
    position: relative;
    padding: 120px 0;
    border-top: 1px solid var(--color-border-soft);
}

.section-header {
    max-width: 680px;
    margin: 0 auto 64px;
    text-align: center;
}

.section-header .section-tagline {
    justify-content: center;
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: clamp(24px, 3.1vw, 36px);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    line-height: 1.2;
}

/* ===== Hairline grid (services / team / process share this look) ===== */
.services-grid,
.team-grid,
.process-steps {
    display: grid;
    gap: 1px;
    background: var(--color-border-soft);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.services-grid { grid-template-columns: repeat(2, 1fr); }
.team-grid { grid-template-columns: repeat(3, 1fr); }
.process-steps { grid-template-columns: repeat(4, 1fr); }

/* ===== Services / Capabilities ===== */
.service-card {
    background: var(--color-bg);
    padding: 36px 32px;
    transition: background var(--transition);
    display: flex;
    flex-direction: column;
    min-height: 210px;
}

.service-card:hover { background: var(--color-bg-elevated); }

.service-index,
.team-index {
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--color-text-faint);
    margin-bottom: auto;
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 22px 0 12px;
}

.service-card p {
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ===== About / Quiénes somos ===== */
.about-lead {
    max-width: 64ch;
    margin: 0 auto 56px;
    text-align: center;
    font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.85;
}

/* ===== Team ===== */
.team-card {
    background: var(--color-bg);
    padding: 36px 32px;
    transition: background var(--transition);
}

.team-card:hover { background: var(--color-bg-elevated); }

.team-card h3 {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 22px 0 6px;
}

.team-card h3 a {
    text-decoration: underline;
    text-decoration-color: var(--color-primary-line);
    text-decoration-thickness: 1px;
    text-underline-offset: 5px;
    transition: color var(--transition), text-decoration-color var(--transition);
}

.team-card h3 a:hover {
    color: var(--color-primary);
    text-decoration-color: var(--color-primary);
}

.team-role {
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.team-card > p:last-child {
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ===== Process ===== */
.process-step {
    background: var(--color-bg);
    padding: 36px 26px;
    transition: background var(--transition);
}

.process-step:hover { background: var(--color-bg-elevated); }

.step-number {
    font-family: var(--font-display);
    font-size: 30px;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--color-text-faint);
    margin-bottom: 18px;
    line-height: 1;
}

.process-step h3 {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.process-step p {
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ===== Contact Section ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 72px;
    align-items: start;
}

.contact-content h2 {
    font-family: var(--font-display);
    font-size: clamp(24px, 3.1vw, 36px);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    line-height: 1.2;
    margin-bottom: 18px;
}

.contact-content > p {
    font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.85;
    margin-bottom: 30px;
    max-width: 46ch;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--color-text-muted);
    font-size: 13px;
}

.contact-item svg {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
}

.contact-form-wrapper {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 38px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-text-subtle);
}

.form-group label::before {
    content: '// ';
    color: var(--color-text-faint);
}

.form-group input,
.form-group textarea {
    background: var(--color-bg-card-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    font-family: var(--font-primary);
    font-size: 13px;
    color: var(--color-text);
    transition: border-color var(--transition), background var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary-line);
    background: var(--color-bg-card);
}

.form-group textarea {
    resize: vertical;
    min-height: 110px;
}

/* ===== Footer ===== */
.footer {
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    padding: 60px 0 32px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 60px;
    margin-bottom: 48px;
}

.footer-brand {
    max-width: 280px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

.footer-links {
    display: flex;
    gap: 80px;
}

.footer-col h4 {
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    margin-bottom: 20px;
    color: var(--color-text);
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col a {
    font-size: 13px;
    color: var(--color-text-muted);
    transition: color var(--transition);
}

.footer-col a:hover {
    color: var(--color-text);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    font-size: 12px;
    color: var(--color-text-subtle);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .team-grid {
        grid-template-columns: 1fr;
    }

    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero .container {
        grid-template-columns: 1fr;
        gap: 44px;
    }

    .hero-visual {
        order: -1;
    }

    .code-block {
        max-width: 100%;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .process-steps {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-content {
        flex-direction: column;
        gap: 40px;
    }

    .footer-links {
        gap: 48px;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }

    .btn-lg {
        width: 100%;
    }

    .code-block pre {
        font-size: 12px;
        padding: 18px;
    }

    .contact-form-wrapper {
        padding: 24px;
    }
}

/* ===== Products Page ===== */
.products-hero {
    padding: 132px 0 60px;
    text-align: center;
}

.products-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(32px, 4.5vw, 48px);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 16px;
    color: var(--color-text);
}

.products-hero p {
    font-size: 15px;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Accordion ===== */
.accordion {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 1000px;
    margin: 0 auto;
}

.accordion-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color var(--transition);
}

.accordion-item.active {
    border-color: var(--color-primary-line);
}

.accordion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    cursor: pointer;
    transition: background var(--transition);
}

.accordion-header:hover {
    background: var(--color-bg-elevated);
}

.accordion-header-content {
    flex: 1;
}

.accordion-header h3 {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text);
    margin-bottom: 4px;
}

.accordion-header p {
    font-size: 13px;
    color: var(--color-text-muted);
    margin: 0;
}

.accordion-icon {
    width: 22px;
    height: 22px;
    color: var(--color-text-subtle);
    transition: transform 0.3s ease;
}

.accordion-item.active .accordion-icon {
    transform: rotate(180deg);
    color: var(--color-primary);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.accordion-content-inner {
    padding: 0 24px 24px;
}

/* ===== Product Cards Grid ===== */
.product-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.product-card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 20px;
    transition: border-color var(--transition), background var(--transition);
}

.product-card:hover {
    border-color: var(--color-border-bright);
    background: var(--color-bg-card);
}

.product-card h4 {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
    color: var(--color-text);
}

.product-card p {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 12px;
    line-height: 1.6;
}

.product-card-features {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 16px;
}

.product-card-features span {
    font-family: var(--font-display);
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 4px 8px;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
}

.product-card-link {
    font-family: var(--font-display);
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.product-card-link:hover {
    color: var(--color-text);
}

/* ===== Products Page Responsive ===== */
@media (max-width: 1024px) {
    .product-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .product-cards {
        grid-template-columns: 1fr;
    }

    .accordion-header {
        padding: 16px 20px;
    }

    .accordion-content-inner {
        padding: 0 20px 20px;
    }
}

/* ===== Product Detail Page ===== */
.product-detail-hero {
    padding: 132px 0 40px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

.breadcrumb a {
    color: var(--color-text-muted);
    transition: color var(--transition);
}

.breadcrumb a:hover {
    color: var(--color-primary);
}

.breadcrumb-separator {
    color: var(--color-text-faint);
}

.product-detail-hero .category-tag {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 11px;
    letter-spacing: 0.14em;
    padding: 6px 12px;
    border: 1px solid var(--color-border);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    text-transform: uppercase;
}

.product-detail-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    margin-bottom: 16px;
    color: var(--color-text);
}

.product-detail-hero .lead {
    font-size: 16px;
    color: var(--color-text-muted);
    max-width: 700px;
    line-height: 1.7;
}

/* ===== Product Detail Content ===== */
.product-detail-content {
    padding: 40px 0;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
}

.product-detail-main h2 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
    color: var(--color-text);
}

.product-detail-main h2::before {
    content: '// ';
    color: var(--color-primary);
}

.product-detail-main p {
    font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 24px;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0 0 40px;
}

.feature-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 12px;
    font-size: 14px;
    color: var(--color-text-muted);
}

.feature-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

.use-case-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 16px;
}

.use-case-card h4 {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
    color: var(--color-text);
}

.use-case-card p {
    font-size: 13px;
    margin-bottom: 0;
}

/* ===== Product Detail Sidebar ===== */
.product-detail-sidebar {
    position: sticky;
    top: 100px;
}

.cta-card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 32px;
    text-align: center;
}

.cta-card h3 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.cta-card p {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

/* ===== Product Detail Responsive ===== */
@media (max-width: 1024px) {
    .product-detail-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .product-detail-sidebar {
        position: static;
    }
}