/* ==========================================================================
   HERJI - ESTILOS VISUALES IDÉNTICOS A MOCKUPS (Brutalismo Industrial)
   ========================================================================== */

:root {
    --color-bg: #090d16;          /* Fondo negro-azulado ultra oscuro de los mockups */
    --color-blue-light: #111827;   /* Gris industrial oscuro para tarjetas */
    --color-orange: #f97316;       /* Naranja corporativo exacto */
    --color-orange-hover: #ea580c; /* Naranja más oscuro para hover */
    --color-gray: #9ca3af;         /* Gris secundario para textos descriptivos */
    --color-text: #ffffff;         /* Blanco puro */
    --color-border: #1f2937;       /* Líneas de separación sutiles */
    
    --font-display: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* TIPOGRAFÍA */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -1px;
}

.text-orange { color: var(--color-orange); }
.text-gray { color: var(--color-gray); }
.text-sm { font-size: 0.85rem; }

/* BOTONES */
.btn {
    display: inline-block;
    padding: 14px 28px;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.btn-primary {
    background-color: var(--color-orange);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--color-orange-hover);
}

.btn-outline {
    background-color: transparent;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

/* HEADER */
.header {
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 25px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.nav-menu ul {
    display: flex;
    gap: 40px;
}

.nav-menu a {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--color-gray);
    letter-spacing: 1px;
}

.nav-menu a:hover, .nav-menu a.active {
    color: var(--color-orange);
}

/* HERO SECTION */
.hero {
    padding: 120px 0 100px 0;
    background: linear-gradient(90deg, rgba(9,13,22,0.95) 0%, rgba(9,13,22,0.7) 100%), url('../images/hero-bg.jpg') center/cover no-repeat;
}

.hero-tag {
    color: var(--color-orange);
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 0.8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 15px;
    display: block;
}

.hero-title {
    font-size: clamp(3rem, 6vw, 5.5rem);
    line-height: 0.95;
    margin-bottom: 30px;
}

.hero-description {
    font-size: 1.1rem;
    max-width: 550px;
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

/* GRILLAS Y SECCIONES */
section {
    padding: 100px 0;
    border-bottom: 1px solid var(--color-border);
}

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

.grid-3-cols {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.section-tag {
    color: var(--color-orange);
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 10px;
    display: block;
}

.section-title {
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    line-height: 1;
}

/* TARJETAS INDUSTRIALES */
.card {
    background-color: var(--color-blue-light);
    border: 1px solid var(--color-border);
    padding: 40px;
    transition: border-color 0.2s ease;
}

.card:hover {
    border-color: var(--color-orange);
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.card p {
    color: var(--color-gray);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.card-link {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--color-orange);
    letter-spacing: 1px;
}

/* NOSOTROS GRID */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: flex-start;
}

/* RESPONSIVE BÁSICO */
@media (max-width: 900px) {
    .grid-2-cols, .grid-3-cols, .about-grid {
        grid-template-columns: 1fr;
    }
    .nav-menu {
        display: none;
    }
    .container {
        padding: 0 20px;
    }
}