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

:root {
    --bg-main: #050509;
    --bg-dark: #070711;
    --bg-card: rgba(255, 255, 255, 0.02);
    --border-card: rgba(255, 255, 255, 0.08);
    --accent: #c0c0c0;
    --accent-strong: #f5f5f5;
    --text-main: #f5f5f5;
    --text-muted: #a1a1b3;
    --pill-bg: rgba(192, 192, 192, 0.1);
    --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.7);
    --radius-xl: 24px;
    --radius-lg: 18px;
    --radius-pill: 999px;
    --transition-fast: 0.2s ease;
    --transition-med: 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Plus Jakarta Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, #1b1b25 0, #050509 45%);
    color: var(--text-main);
    line-height: 1.6;
}

/* Layout base */
.ks-container {
    width: min(1120px, 100% - 2.5rem);
    margin-inline: auto;
}

.ks-section {
    padding: 5rem 0;
}

.ks-section-dark {
    background: radial-gradient(circle at top, #141421 0, #050509 55%);
}

/* Header & navegación */
.ks-header {
    position: sticky;
    top: 0;
    z-index: 40;
    backdrop-filter: blur(18px);
    background: linear-gradient(to bottom, rgba(5, 5, 9, 0.94), rgba(5, 5, 9, 0.7), transparent);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.ks-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-block: 0.9rem;
}

.ks-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-main);
}

.ks-logo-mark {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-pill);
    background: radial-gradient(circle at 20% 10%, #ffffff, #b6b6b6 40%, #4b4b4b 70%, #111 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    letter-spacing: 1px;
    font-size: 0.9rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.7);
}

.ks-logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.ks-logo-main {
    font-size: 1.1rem;
    font-weight: 600;
}

.ks-logo-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.ks-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.ks-nav-list {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 1.75rem;
    font-size: 0.95rem;
}

.ks-nav-list a {
    color: var(--text-muted);
    text-decoration: none;
    position: relative;
    transition: color var(--transition-fast);
}

.ks-nav-list a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -0.3rem;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #ffffff, #bfbfbf);
    border-radius: 999px;
    transition: width var(--transition-fast);
}

.ks-nav-list a:hover {
    color: var(--accent-strong);
}

.ks-nav-list a:hover::after {
    width: 100%;
}

/* Botón menú móvil */
.ks-nav-toggle {
    display: none;
    flex-direction: column;
    gap: 0.23rem;
    background: transparent;
    border: none;
    cursor: pointer;
}

.ks-nav-toggle span {
    width: 20px;
    height: 2px;
    border-radius: 999px;
    background: #ffffff;
}

/* Botones */
.ks-btn-primary,
.ks-btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.75rem 1.4rem;
    border-radius: var(--radius-pill);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
    white-space: nowrap;
}

.ks-btn-primary {
    background: linear-gradient(135deg, #ffffff, #c5c5c5, #7b7b7b);
    color: #050509;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.85);
}

.ks-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 35px rgba(0, 0, 0, 0.95);
}

.ks-btn-outline {
    border-color: rgba(255, 255, 255, 0.45);
    color: var(--accent-strong);
    background: rgba(255, 255, 255, 0.02);
}

.ks-btn-outline:hover {
    background: rgba(255, 255, 255, 0.08);
}

.ks-btn-whatsapp::before {
    content: "🟢";
    font-size: 0.9rem;
}

/* HERO */
.ks-hero {
    padding-top: 5.5rem;
}

.ks-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 3.5rem;
    align-items: center;
}

.ks-pill {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.9rem;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: radial-gradient(circle at 0 0, rgba(255,255,255,0.4), transparent 60%);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent);
    margin-bottom: 1rem;
}

.ks-hero h1 {
    font-size: clamp(2.2rem, 3.2vw + 1rem, 3.1rem);
    line-height: 1.1;
    margin-bottom: 1rem;
}

.ks-hero h1 span {
    background: linear-gradient(120deg, #ffffff, #d3d3d3, #8f8f8f);
    -webkit-background-clip: text;
    color: transparent;
}

.ks-hero p {
    color: var(--text-muted);
    max-width: 480px;
    margin-bottom: 1.7rem;
}

.ks-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-bottom: 1.5rem;
}

.ks-hero-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 1.1rem;
    font-size: 0.92rem;
    color: var(--text-muted);
}

/* Hero card */
.ks-hero-card {
    justify-self: center;
}

.ks-hero-card-inner {
    width: 100%;
    max-width: 360px;
    background: radial-gradient(circle at top left, rgba(255,255,255,0.13), transparent 50%), rgba(15, 15, 25, 0.95);
    border-radius: var(--radius-xl);
    padding: 1.6rem 1.4rem;
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(18px);
}

.ks-hero-card-title {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent);
    margin-bottom: 1.2rem;
}

.ks-hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 1.3rem;
}

.ks-metric {
    padding: 0.7rem 0.6rem;
    border-radius: 16px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(9, 9, 18, 0.9));
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.ks-metric-label {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.ks-metric-value {
    font-size: 1.1rem;
    font-weight: 600;
}

.ks-hero-status {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.ks-status-dot {
    width: 9px;
    height: 9px;
    border-radius: 999px;
    background: radial-gradient(circle, #a5ffb3, #34d058);
    box-shadow: 0 0 12px rgba(52, 208, 88, 0.9);
}

/* Sección genérica */
.ks-section-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.ks-section-header h2 {
    font-size: 1.9rem;
    margin-bottom: 0.6rem;
}

.ks-section-header p {
    color: var(--text-muted);
    max-width: 520px;
    margin-inline: auto;
}

/* Grid servicios */
.ks-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.8rem;
}

.ks-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-card);
    padding: 1.6rem 1.4rem;
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.72);
    backdrop-filter: blur(14px);
}

.ks-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.7rem;
}

.ks-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.ks-card-list {
    list-style: none;
    display: grid;
    gap: 0.35rem;
    font-size: 0.9rem;
    color: var(--text-main);
}

.ks-card-list li::before {
    content: "• ";
    color: var(--accent);
}

/* Sobre nosotros */
.ks-about-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.9fr);
    gap: 2.5rem;
    align-items: center;
}

.ks-about-text h2 {
    font-size: 1.9rem;
    margin-bottom: 1rem;
}

.ks-about-text p {
    color: var(--text-muted);
    margin-bottom: 0.9rem;
}

.ks-about-list {
    list-style: none;
    margin-top: 0.5rem;
}

.ks-about-list li {
    font-size: 0.95rem;
    margin-bottom: 0.35rem;
}

.ks-about-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-card);
    padding: 1.7rem 1.5rem;
    box-shadow: var(--shadow-soft);
}

.ks-about-badge {
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.75rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.ks-about-highlight {
    font-size: 1.1rem;
    margin-bottom: 0.7rem;
}

.ks-about-note {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Contacto */
.ks-contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.1fr);
    gap: 2.5rem;
    align-items: flex-start;
}

.ks-contact-text h2 {
    font-size: 1.9rem;
    margin-bottom: 1rem;
}

.ks-contact-text p {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.ks-contact-info p {
    font-size: 0.96rem;
    margin-bottom: 0.35rem;
}

.ks-contact-info {
    margin-bottom: 1.2rem;
}

.ks-contact-form {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-card);
    padding: 1.7rem 1.5rem;
    box-shadow: var(--shadow-soft);
}

.ks-form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.ks-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-bottom: 0.9rem;
}

.ks-form-group label {
    font-size: 0.85rem;
    color: var(--accent);
}

.ks-form-group input,
.ks-form-group textarea {
    background: rgba(7, 7, 15, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 14px;
    padding: 0.65rem 0.75rem;
    color: var(--text-main);
    font-size: 0.9rem;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.ks-form-group input::placeholder,
.ks-form-group textarea::placeholder {
    color: #63637a;
}

.ks-form-group input:focus,
.ks-form-group textarea:focus {
    border-color: rgba(255, 255, 255, 0.6);
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.4);
    background: rgba(8, 8, 18, 0.98);
}

.ks-form-note {
    margin-top: 0.6rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Footer */
.ks-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    padding: 1.2rem 0 1.8rem;
    background: radial-gradient(circle at bottom, #151523 0, #050509 60%);
}

.ks-footer-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.ks-footer-small {
    opacity: 0.85;
}

/* Responsivo */
@media (max-width: 960px) {
    .ks-hero-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .ks-hero-card {
        justify-self: stretch;
    }

    .ks-grid-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .ks-about-grid,
    .ks-contact-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 720px) {
    .ks-header-inner {
        padding-block: 0.7rem;
    }

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

    .ks-nav-list {
        position: absolute;
        inset: 56px 1.25rem auto 1.25rem;
        border-radius: 18px;
        padding: 0.9rem 1rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.8rem;
        background: rgba(4, 4, 10, 0.98);
        border: 1px solid rgba(255, 255, 255, 0.12);
        box-shadow: var(--shadow-soft);
        opacity: 0;
        transform: translateY(-8px);
        pointer-events: none;
        transition: opacity var(--transition-med), transform var(--transition-med);
    }

    .ks-nav-list.ks-open {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    .ks-nav-whatsapp {
        width: 100%;
        justify-content: center;
    }

    .ks-hero {
        padding-top: 4.8rem;
    }

    .ks-hero-actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .ks-hero-list {
        flex-direction: column;
    }

    .ks-grid-3 {
        grid-template-columns: minmax(0, 1fr);
    }

    .ks-contact-form,
    .ks-about-card {
        border-radius: 18px;
    }

    .ks-form-row {
        grid-template-columns: minmax(0, 1fr);
    }

    .ks-footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .ks-container {
        width: min(100% - 2rem, 480px);
    }

    .ks-section {
        padding: 4rem 0;
    }

    .ks-hero h1 {
        font-size: 2.2rem;
    }
}