/* ============================================================
   ACISSCO INGENIEROS — UNIFIED STYLESHEET v2.0
   ============================================================ */

/* ── DESIGN TOKENS ─────────────────────────────────────────── */
:root {
    --clr-primary:    #009adc;
    --clr-primary-dk: #005e84;
    --clr-accent:     #0081b9;
    --clr-light:      #e8f6fd;
    --clr-surface:    #f5fafd;
    --clr-white:      #ffffff;
    --clr-text:       #1a2b38;
    --clr-text-muted: #4d6475;
    --clr-border:     #dde8ef;
    --clr-gray-light: #f9f9f9;

    /* Legacy aliases */
    --primary:        var(--clr-primary);
    --primary-dark:   var(--clr-primary-dk);
    --accent:         var(--clr-accent);
    --light:          var(--clr-light);
    --text:           var(--clr-text);
    --text-light:     var(--clr-text-muted);
    --white:          var(--clr-white);
    --border:         var(--clr-border);
    --gray-light:     var(--clr-gray-light);

    /* Spacing */
    --sp-1:  0.25rem;  --sp-2:  0.5rem;   --sp-3:  0.75rem;
    --sp-4:  1rem;     --sp-5:  1.25rem;  --sp-6:  1.5rem;
    --sp-8:  2rem;     --sp-10: 2.5rem;   --sp-12: 3rem;
    --sp-16: 4rem;     --sp-20: 5rem;     --sp-24: 6rem;

    --section-py: clamp(4rem, 8vw, 6rem);

    /* Typography */
    --font: 'Inter', 'Segoe UI', Calibri, sans-serif;
    --text-xs:   clamp(0.75rem,   1.5vw, 0.875rem);
    --text-sm:   clamp(0.875rem,  2vw,   1rem);
    --text-base: clamp(1rem,      2.2vw, 1.0625rem);
    --text-lg:   clamp(1.0625rem, 2.5vw, 1.175rem);
    --text-xl:   clamp(1.25rem,   3vw,   1.5rem);
    --text-2xl:  clamp(1.5rem,    3.5vw, 2rem);
    --text-3xl:  clamp(1.875rem,  4vw,   2.5rem);
    --text-4xl:  clamp(2.25rem,   5vw,   3.25rem);

    /* Radii */
    --radius-sm: 6px;
    --radius:    12px;
    --radius-md: 12px;
    --radius-lg: 20px;

    /* Shadows */
    --shadow-sm: 0 3px 12px rgba(0,94,132,0.10);
    --shadow-md: 0 8px 24px rgba(0,94,132,0.13);
    --shadow-lg: 0 16px 40px rgba(0,94,132,0.16);

    /* Transitions */
    --ease:    cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --tr-fast: all 0.2s var(--ease);
    --tr-base: all 0.3s var(--ease);
    --tr-slow: all 0.5s var(--ease);
    --transition:      var(--tr-base);
    --transition-slow: var(--tr-slow);

    /* Header height — set dynamically via JS, fallback value */
    --header-height: 84px;
}


/* ── RESET ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; font-size: 16px; }
body {
    font-family: var(--font);
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--clr-text);
    background: var(--clr-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a   { color: inherit; text-decoration: none; transition: var(--tr-base); }
ul  { list-style: none; }
h1, h2, h3, h4 { font-weight: 700; line-height: 1.25; color: var(--clr-primary-dk); margin-bottom: 0.5em; }
h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-xl); }
p  { color: var(--clr-text-muted); line-height: 1.75; margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }
.container { width: min(90%, 1400px); margin-inline: auto; }


/* ── SCROLL ANIMATION ───────────────────────────────────────── */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.in-view,
.fade-in.visible { opacity: 1; transform: translateY(0); }


/* ============================================================
   HEADER
   ============================================================ */
.main-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(0, 55, 84, 0.98);
    border-bottom: 1px solid rgba(255,255,255,0.07);
    padding: var(--sp-4) 0;
    transition: padding 0.3s var(--ease), background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.main-header.scrolled {
    padding: var(--sp-3) 0;
    background: rgba(0, 42, 65, 1);
    box-shadow: 0 4px 24px rgba(0,0,0,0.22);
}

.main-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-6);
}

.logo { flex-shrink: 0; position: relative; z-index: 1002; }
.logo img { height: 52px; width: auto; transition: var(--tr-base); }
.logo img:hover { transform: scale(1.04); }


/* ── DESKTOP NAV ────────────────────────────────────────────── */
.main-nav ul { display: flex; align-items: center; gap: var(--sp-8); }

.main-nav a {
    color: rgba(255,255,255,0.85);
    font-weight: 600;
    font-size: var(--text-sm);
    letter-spacing: 0.015em;
    padding: var(--sp-2) 0;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 0;
    width: 0; height: 2px;
    background: var(--clr-primary);
    border-radius: 2px;
    transition: width 0.3s var(--ease);
}

.main-nav a:hover,
.main-nav a.active { color: var(--clr-white); }
.main-nav a:hover::after,
.main-nav a.active::after { width: 100%; }


/* ── HAMBURGER BUTTON ───────────────────────────────────────── */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 42px; height: 42px;
    background: rgba(255,255,255,0.10);
    border: 1.5px solid rgba(255,255,255,0.22);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--tr-base);
    position: relative;
    z-index: 1002;
    flex-shrink: 0;
}

.hamburger:hover {
    background: rgba(255,255,255,0.18);
    border-color: rgba(255,255,255,0.35);
}

.hamburger span {
    display: block;
    height: 2px;
    border-radius: 2px;
    background: var(--clr-white);
    transition: width 0.3s var(--ease), transform 0.35s var(--ease), opacity 0.25s;
}

.hamburger span:nth-child(1) { width: 22px; }
.hamburger span:nth-child(2) { width: 15px; }
.hamburger span:nth-child(3) { width: 22px; }

.hamburger.active span:nth-child(1) { width: 22px; transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { width: 22px; transform: translateY(-7px) rotate(-45deg); }


/* ── MOBILE NAV PANEL ───────────────────────────────────────── */
@media (max-width: 768px) {
    .hamburger { display: flex; }

    .main-nav {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        z-index: 1050;
        background: #ffffff;
        box-shadow: 0 5px 30px rgba(0,0,0,0.15);
        overflow-y: auto;
        overflow-x: hidden;
        transition: left 0.35s var(--ease);
    }

    .main-nav.active { left: 0; }
    .main-nav::before { display: none; }

    .main-nav ul {
        display: flex;
        flex-direction: column;
        gap: 0;
        padding: 16px 0 40px;
        width: 100%;
    }

    .main-nav li { width: 100%; display: block; }

    .main-nav a {
        display: flex;
        align-items: center;
        padding: 16px 28px;
        font-size: 1rem;
        font-weight: 600;
        color: var(--clr-primary-dk);
        background: #ffffff;
        text-shadow: none;
        opacity: 1;
        border-bottom: 1px solid var(--clr-border);
        border-left: 3px solid transparent;
        letter-spacing: 0.01em;
        width: 100%;
        transition: background 0.22s ease, color 0.22s ease,
                    border-left-color 0.22s ease, padding-left 0.22s ease;
    }

    .main-nav a:hover {
        background: var(--clr-light);
        color: var(--clr-primary);
        border-left-color: var(--clr-primary);
        padding-left: 36px;
    }

    .main-nav a.active {
        background: var(--clr-light);
        color: var(--clr-primary);
        border-left-color: var(--clr-primary);
    }

    .main-nav a::after { display: none !important; }
}


/* ── NAV BACKDROP ───────────────────────────────────────────── */
.nav-backdrop {
    position: fixed;
    inset: 0;
    z-index: 998;
    background: rgba(0, 18, 30, 0.50);
    opacity: 0;
    transition: opacity 0.35s var(--ease);
    pointer-events: none;
    cursor: pointer;
}

.nav-backdrop.visible {
    opacity: 1;
    pointer-events: all;
}


/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary,
.cta-button {
    background: var(--clr-accent);
    color: var(--clr-white);
    padding: 14px 32px;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: var(--text-sm);
    display: inline-flex;
    align-items: center;
    gap: var(--sp-3);
    transition: var(--tr-base);
    box-shadow: 0 4px 16px rgba(0,129,185,0.25);
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
    letter-spacing: 0.02em;
    text-decoration: none;
}

.btn-primary:hover,
.cta-button:hover {
    background: var(--clr-primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,154,220,0.35);
    color: var(--clr-white);
}

.btn-primary.large,
.cta-button.primary { padding: 16px 40px; font-size: var(--text-base); }

.btn-primary.full-width { width: 100%; justify-content: center; }

.btn-primary .btn-arrow,
.cta-button i { transition: transform 0.25s var(--ease); }
.btn-primary:hover .btn-arrow,
.cta-button:hover i { transform: translateX(4px); }

/* Submit button states */
.btn-primary.loading .btn-text,
.btn-primary.success .btn-text,
.btn-primary.error .btn-text { opacity: 0; position: absolute; }
.btn-primary .btn-loader,
.btn-primary .btn-success,
.btn-primary .btn-error { display: none; }
.btn-primary.loading .btn-loader { display: inline-flex; align-items: center; gap: 8px; }
.btn-primary.success .btn-success { display: inline-flex; align-items: center; gap: 8px; }
.btn-primary.error   .btn-error   { display: inline-flex; align-items: center; gap: 8px; }
.btn-primary.success { background: #27ae60; }
.btn-primary.error   { background: #e74c3c; }

/* Secondary button */
.btn-secondary {
    background: transparent;
    color: var(--clr-white);
    padding: 16px 40px;
    border: 2px solid rgba(255,255,255,0.7);
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: var(--text-base);
    display: inline-flex;
    align-items: center;
    gap: var(--sp-3);
    transition: var(--tr-base);
    text-decoration: none;
    cursor: pointer;
}

.btn-secondary:hover {
    background: var(--clr-white);
    color: var(--clr-primary);
    border-color: var(--clr-white);
    transform: translateY(-2px);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}


/* ============================================================
   SECTION UTILITIES
   ============================================================ */
section { padding: var(--section-py) 0; }

.section-header {
    text-align: center;
    margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}

.section-header h2,
.section-title {
    font-size: var(--text-3xl);
    color: var(--clr-primary-dk);
    margin-bottom: var(--sp-3);
    display: inline-block;
    position: relative;
}

.section-header h2::after,
.section-title::after {
    content: '';
    display: block;
    width: 60px; height: 4px;
    background: var(--clr-primary);
    border-radius: 2px;
    margin: var(--sp-4) auto 0;
}

.section-header p {
    font-size: var(--text-lg);
    color: var(--clr-text-muted);
    max-width: 600px;
    margin-inline: auto;
    margin-top: var(--sp-3);
}


/* ============================================================
   HERO BANNERS
   ============================================================ */

/* ── Index hero ─────────────────────────────────────────────── */
.hero-banner {
    position: relative;
    width: 100%;
    background-color: #0a1f2e;
    overflow: hidden;
}

.hero-image {
    width: 100%;
    display: block;
    line-height: 0;
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
    opacity: 0.62;
}

/* Index hero text overlay */
.hero-banner > .hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        105deg,
        rgba(0, 30, 50, 0.82) 0%,
        rgba(0, 42, 68, 0.60) 55%,
        rgba(0, 90, 140, 0.20) 100%
    );
    display: flex;
    align-items: center;
    padding: 0 0 clamp(1rem, 4vw, 3rem);
    z-index: 2;
}

.hero-banner > .hero-overlay .container {
    padding-top: 2rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0,154,220,0.22);
    border: 1px solid rgba(0,154,220,0.45);
    color: #7dd8f5;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 7px 16px;
    border-radius: 50px;
    margin-bottom: 1.25rem;
    animation: fadeInUp 0.8s ease-out both;
}

.hero-banner > .hero-overlay h1 {
    font-size: clamp(2.1rem, 5.5vw, 3.8rem);
    color: var(--clr-white);
    line-height: 1.15;
    margin-bottom: 1.25rem;
    max-width: 700px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

.hero-banner > .hero-overlay h1 span {
    color: #5cc8f0;
}

.hero-banner > .hero-overlay p {
    font-size: clamp(1rem, 2.2vw, 1.2rem);
    color: rgba(255,255,255,0.88);
    max-width: 560px;
    margin-bottom: 2rem;
    line-height: 1.7;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-banner > .hero-overlay .cta-buttons {
    justify-content: flex-start;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

/* ── Hero stats strip ───────────────────────────────────────── */
.hero-stats-strip {
    background: var(--clr-primary-dk);
    padding: 0;
    border-top: 3px solid var(--clr-primary);
}

.hero-stats-strip .container {
    display: flex;
    align-items: stretch;
}

.strip-stat {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 28px 20px;
    text-align: center;
    border-right: 1px solid rgba(255,255,255,0.10);
    transition: var(--tr-base);
}

.strip-stat:last-child { border-right: none; }
.strip-stat:hover { background: rgba(255,255,255,0.05); }

.strip-stat-number {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 700;
    color: var(--clr-white);
    line-height: 1;
    margin-bottom: 6px;
}

.strip-stat-label {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.65);
    font-weight: 500;
    letter-spacing: 0.02em;
}

/* ── Inner pages hero ───────────────────────────────────────── */
.hero-banner.company-hero,
.hero-banner.services-hero,
.hero-banner.contact-hero {
    height: 60vh;
    min-height: 400px;
    max-height: 700px;
    background: linear-gradient(135deg, var(--clr-primary-dk) 0%, var(--clr-accent) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-banner.services-hero { height: 65vh; min-height: 460px; }
.hero-banner.contact-hero  { height: 55vh; min-height: 420px; }
.hero-banner.company-hero  { height: 52vh; min-height: 370px; }

.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.38);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 20px;
}

.hero-text { max-width: 820px; color: var(--clr-white); }

.hero-text h1 {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--clr-white);
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
    animation: fadeInUp 0.9s ease-out both;
}

.hero-text p {
    font-size: clamp(1rem, 2.5vw, 1.35rem);
    color: var(--clr-white);
    opacity: 0.95;
    text-shadow: 0 1px 4px rgba(0,0,0,0.25);
    animation: fadeInUp 0.9s ease-out 0.15s both;
    margin-bottom: 0;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(28px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Hero stats (inner pages) */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 36px;
    flex-wrap: wrap;
    animation: fadeInUp 0.9s ease-out 0.3s both;
}

.stat { text-align: center; color: var(--clr-white); }
.stat-number { display: block; font-size: 2.5rem; font-weight: 700; margin-bottom: 4px; }
.stat-label  { font-size: 0.9rem; opacity: 0.88; }

/* Contact hero stats */
.contact-stats {
    display: flex;
    justify-content: center;
    gap: 36px;
    margin-top: 28px;
    flex-wrap: wrap;
    animation: fadeInUp 0.9s ease-out 0.3s both;
}

.contact-stat {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--clr-white);
    font-weight: 500;
    font-size: 0.95rem;
}

.contact-stat i { font-size: 1.1rem; opacity: 0.88; }


/* ============================================================
   INDEX — ABOUT SECTION
   ============================================================ */
.about-section {
    padding-block: var(--section-py);
    background: var(--clr-surface);
    position: relative;
    overflow: hidden;
}

.about-section::before {
    content: '';
    position: absolute;
    top: -60px; right: -80px;
    width: min(420px, 60vw); height: min(420px, 60vw);
    background: radial-gradient(circle, rgba(0,154,220,0.07) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.about-content {
    max-width: 780px;
    margin-inline: auto;
    text-align: center;
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.about-content.visible { opacity: 1; transform: translateY(0); }

.about-content h2 {
    font-size: var(--text-3xl);
    color: var(--clr-primary-dk);
    margin-bottom: var(--sp-5);
    display: inline-block;
}

.about-content h2::after {
    content: '';
    display: block;
    width: 64px; height: 4px;
    background: var(--clr-primary);
    border-radius: 2px;
    margin: var(--sp-4) auto 0;
}

.about-content p {
    font-size: var(--text-lg);
    line-height: 1.8;
    max-width: 680px;
    margin-inline: auto;
    margin-bottom: var(--sp-8);
}

.about-content p strong { color: var(--clr-primary-dk); font-weight: 700; }


/* ============================================================
   INDEX — SERVICES SECTION
   ============================================================ */
.services-section { padding-block: var(--section-py); background: var(--clr-white); }

.index-services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(1.25rem, 2.5vw, 2rem);
    margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}

.service-item {
    background: var(--clr-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--clr-border);
    transition: var(--tr-slow);
    display: flex;
    flex-direction: column;
    opacity: 0;
    transform: translateY(32px);
}

.service-item.visible { opacity: 1; transform: translateY(0); }
.service-item:nth-child(1) { transition-delay: 0.05s; }
.service-item:nth-child(2) { transition-delay: 0.15s; }
.service-item:nth-child(3) { transition-delay: 0.25s; }

.service-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0,154,220,0.25);
}

.service-image {
    position: relative;
    height: clamp(180px, 22vw, 260px);
    overflow: hidden;
    flex-shrink: 0;
}

.service-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease);
}

.service-item:hover .service-image img { transform: scale(1.06); }

.service-image::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 3px;
    background: var(--clr-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease);
}

.service-item:hover .service-image::after { transform: scaleX(1); }

.service-content {
    padding: clamp(1.25rem, 2.5vw, 1.875rem);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.service-content h3 { font-size: var(--text-xl); color: var(--clr-primary-dk); margin-bottom: var(--sp-3); transition: color 0.25s; }
.service-item:hover .service-content h3 { color: var(--clr-primary); }
.service-content p  { font-size: var(--text-sm); color: var(--clr-text-muted); line-height: 1.7; margin: 0; flex: 1; }

/* FIX: renamed from .services-cta to avoid conflict with the CTA section */
.index-services-cta { display: flex; justify-content: center; margin-top: 1rem; }


/* ============================================================
   INDEX — PORTFOLIO SECTION
   ============================================================ */
.portfolio-section {
    padding-block: var(--section-py);
    background: var(--clr-surface);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.portfolio-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    background: var(--clr-white);
    display: flex;
    flex-direction: column;
    transition: var(--tr-base);
    border: 1px solid var(--clr-border);
    opacity: 0;
    transform: translateY(28px);
}

.portfolio-card.visible { opacity: 1; transform: translateY(0); }
.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0,154,220,0.25);
}

.portfolio-card:nth-child(1) { transition-delay: 0.05s; }
.portfolio-card:nth-child(2) { transition-delay: 0.12s; }
.portfolio-card:nth-child(3) { transition-delay: 0.19s; }
.portfolio-card:nth-child(4) { transition-delay: 0.26s; }

.portfolio-visual {
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    color: rgba(255,255,255,0.9);
    position: relative;
    overflow: hidden;
}

.portfolio-visual::before {
    content: '';
    position: absolute;
    inset: 0;
    background: inherit;
    opacity: 0.08;
    filter: blur(20px);
}

.portfolio-visual.civil    { background: linear-gradient(135deg, #1a6b8a 0%, #009adc 100%); }
.portfolio-visual.energia  { background: linear-gradient(135deg, #0a4d6b 0%, #0081b9 100%); }
.portfolio-visual.mantto   { background: linear-gradient(135deg, #005e84 0%, #00a8e8 100%); }
.portfolio-visual.hidro    { background: linear-gradient(135deg, #0d3d57 0%, #0070a8 100%); }

.portfolio-body { padding: 24px; flex: 1; }
.portfolio-tag {
    display: inline-block;
    background: var(--clr-light);
    color: var(--clr-primary);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: 50px;
    margin-bottom: 12px;
}
.portfolio-body h3 { font-size: 1.15rem; margin-bottom: 8px; color: var(--clr-primary-dk); }
.portfolio-body p  { font-size: 0.92rem; line-height: 1.6; margin: 0; }

.portfolio-meta {
    display: flex;
    gap: 20px;
    padding: 16px 24px;
    border-top: 1px solid var(--clr-border);
    background: var(--clr-surface);
}

.portfolio-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    color: var(--clr-text-muted);
    font-weight: 500;
}

.portfolio-meta i { color: var(--clr-primary); font-size: 0.78rem; }


/* ============================================================
   INDEX — CLIENTS / LOGOS SECTION
   ============================================================ */
.clients-section {
    padding-block: clamp(3rem, 6vw, 4rem);
    background: var(--clr-white);
    border-top: 1px solid var(--clr-border);
    border-bottom: 1px solid var(--clr-border);
}

.clients-section .section-header {
    margin-bottom: 2rem;
}

.clients-track {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.client-logo-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 22px 28px;
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    background: var(--clr-white);
    min-width: 150px;
    transition: var(--tr-base);
    opacity: 0.7;
}

.client-logo-card:hover {
    opacity: 1;
    border-color: var(--clr-primary);
    box-shadow: var(--shadow-sm);
    transform: translateY(-4px);
}

.client-logo-card i {
    font-size: 1.8rem;
    color: var(--clr-primary);
}

.client-logo-card span {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--clr-text-muted);
    text-align: center;
    letter-spacing: 0.03em;
}


/* ============================================================
   INDEX — PRE-FOOTER CTA
   ============================================================ */
.prefooter-cta {
    padding: clamp(3.5rem, 7vw, 5rem) 0;
    background: linear-gradient(135deg, var(--clr-primary-dk) 0%, #007ab0 50%, var(--clr-accent) 100%);
    position: relative;
    overflow: hidden;
}

.prefooter-cta::before {
    content: '';
    position: absolute;
    top: -100px; right: -100px;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.prefooter-cta .cta-inner {
    text-align: center;
    position: relative;
    z-index: 1;
}

.prefooter-cta h2 {
    color: var(--clr-white);
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    margin-bottom: 1rem;
}

.prefooter-cta p {
    color: rgba(255,255,255,0.88);
    font-size: var(--text-lg);
    max-width: 560px;
    margin-inline: auto;
    margin-bottom: 2rem;
}


/* ============================================================
   NUESTRA COMPAÑÍA PAGE
   ============================================================ */
.company-section { padding: 80px 0; }

.content-block {
    background: var(--clr-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    margin-bottom: 36px;
    box-shadow: var(--shadow-sm);
    transition: var(--tr-base);
    border-left: 5px solid var(--clr-primary);
}

.content-block:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }

.block-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.block-header i {
    font-size: 1.8rem;
    color: var(--clr-primary);
    width: 50px; height: 50px;
    display: flex; align-items: center; justify-content: center;
    background: var(--clr-light);
    border-radius: 50%;
    flex-shrink: 0;
}

.block-header h2 { margin: 0; color: var(--clr-primary-dk); }
.block-content p { font-size: 1.05rem; line-height: 1.8; color: var(--clr-text-muted); }

.mission-vision-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    margin-bottom: 60px;
}

.mission-vision-card {
    background: var(--clr-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--tr-base);
    position: relative;
    overflow: hidden;
}

.mission-vision-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
}

.mission-vision-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }

.card-icon {
    width: 80px; height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
    color: var(--clr-white);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 2rem;
    box-shadow: 0 8px 20px rgba(0,154,220,0.28);
}

.mission-vision-card h2 { font-size: 1.8rem; margin-bottom: 18px; }
.mission-vision-card p  { font-size: 1.05rem; line-height: 1.7; }

.valores-section { margin: 60px 0; }

.valores-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 28px;
}

.valor-card {
    background: var(--clr-white);
    padding: 38px 28px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--tr-base);
    border-top: 4px solid var(--clr-primary);
    position: relative;
    overflow: hidden;
}

.valor-card::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
    opacity: 0;
    transition: var(--tr-base);
    z-index: 1;
}

.valor-card:hover::before { opacity: 1; }
.valor-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-lg); }
.valor-card > * { position: relative; z-index: 2; }
.valor-card:hover h3, .valor-card:hover p { color: var(--clr-white); }

.valor-icon {
    width: 78px; height: 78px;
    margin: 0 auto 22px;
    background: var(--clr-light);
    color: var(--clr-primary);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.9rem;
    transition: var(--tr-base);
}

.valor-card:hover .valor-icon {
    background: rgba(255,255,255,0.18);
    color: var(--clr-white);
    transform: scale(1.1);
}

.valor-card h3 { font-size: 1.35rem; margin-bottom: 12px; color: var(--clr-primary-dk); transition: var(--tr-base); }
.valor-card p  { font-size: 1rem; line-height: 1.6; transition: var(--tr-base); }

.company-cta {
    background: linear-gradient(135deg, var(--clr-primary-dk) 0%, var(--clr-accent) 100%);
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    text-align: center;
    color: var(--clr-white);
    margin-top: 70px;
    box-shadow: var(--shadow-lg);
}

.company-cta h2  { color: var(--clr-white); font-size: 2.1rem; margin-bottom: 14px; }
.company-cta p   { color: rgba(255,255,255,0.9); font-size: 1.15rem; margin-bottom: 28px; }
.company-cta .btn-primary { background: var(--clr-white); color: var(--clr-primary); }
.company-cta .btn-primary:hover { background: var(--clr-light); transform: translateY(-3px); color: var(--clr-primary-dk); }


/* ============================================================
   SERVICIOS PAGE
   ============================================================ */
.services-intro { padding: 60px 0; }

.intro-card {
    background: var(--clr-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    display: flex;
    align-items: center;
    gap: 28px;
    box-shadow: var(--shadow-md);
    max-width: 900px;
    margin: 0 auto;
}

.intro-icon {
    width: 78px; height: 78px;
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
    color: var(--clr-white);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.9rem;
    flex-shrink: 0;
}

.intro-content h2 { color: var(--clr-primary-dk); margin-bottom: 12px; font-size: 1.75rem; }
.intro-content p  { font-size: 1.05rem; line-height: 1.7; }

.services-categories { padding: 70px 0; background: var(--clr-surface); }

.categories-header { text-align: center; margin-bottom: 46px; }
.categories-header h2 { font-size: var(--text-3xl); margin-bottom: 12px; }
.categories-header p  { font-size: var(--text-lg); max-width: 580px; margin-inline: auto; }

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 26px;
}

.category-card {
    background: var(--clr-white);
    padding: 36px 26px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--tr-base);
    cursor: pointer;
    border: 2px solid transparent;
}

.category-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--clr-primary);
}

.category-icon {
    width: 78px; height: 78px;
    margin: 0 auto 18px;
    background: var(--clr-light);
    color: var(--clr-primary);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.9rem;
    transition: var(--tr-base);
}

.category-card:hover .category-icon {
    background: var(--clr-primary);
    color: var(--clr-white);
    transform: scale(1.1);
}

.category-card h3 { font-size: 1.35rem; margin-bottom: 8px; }
.category-card p  { font-size: 0.92rem; }

.services-filter-section { padding: 70px 0; }

.filter-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 46px;
}

.filter-btn {
    padding: 11px 22px;
    border: 2px solid var(--clr-primary);
    background: transparent;
    color: var(--clr-primary);
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--tr-base);
    display: flex; align-items: center; gap: 8px;
    font-size: 0.95rem;
}

.filter-btn[aria-pressed="true"],
.filter-btn.active,
.filter-btn:hover {
    background: var(--clr-primary);
    color: var(--clr-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,154,220,0.3);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    gap: 26px;
    transition: all 0.4s ease;
}

.service-card {
    background: var(--clr-white);
    padding: 28px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--tr-base);
    display: flex;
    align-items: flex-start;
    gap: 18px;
    border-left: 4px solid var(--clr-primary);
    opacity: 1;
    transform: scale(1);
}

.service-card:not(.show) {
    opacity: 0;
    transform: scale(0.9);
    height: 0;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    background: var(--clr-surface);
}

.service-icon {
    width: 58px; height: 58px;
    background: var(--clr-light);
    color: var(--clr-primary);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem;
    transition: var(--tr-base);
    flex-shrink: 0;
}

.service-card:hover .service-icon {
    background: var(--clr-primary);
    color: var(--clr-white);
    transform: scale(1.1);
}

.service-content h3 { font-size: 1.15rem; margin-bottom: 6px; }
.service-content p  { font-size: 0.92rem; margin: 0; line-height: 1.5; }

.featured-services { padding: 70px 0; background: var(--clr-surface); }

.featured-service-card {
    background: var(--clr-white);
    border-radius: var(--radius-lg);
    padding: 46px;
    display: grid;
    grid-template-columns: 190px 1fr;
    gap: 36px;
    box-shadow: var(--shadow-md);
    margin-bottom: 46px;
}

.featured-service-image {
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
    border-radius: var(--radius-lg);
    display: flex; align-items: center; justify-content: center;
    color: var(--clr-white);
    font-size: 3.8rem;
}

.featured-service-content h3 { font-size: 1.9rem; margin-bottom: 18px; }
.featured-service-content p  { font-size: 1.05rem; line-height: 1.7; margin-bottom: 18px; }

.service-features { margin-top: 26px; }
.service-features h4 { font-size: 1.2rem; margin-bottom: 12px; }

.service-list { list-style: none; padding: 0; }
.service-list li { padding: 7px 0; display: flex; align-items: center; gap: 10px; }
.service-list li i { color: var(--clr-primary); font-size: 0.88rem; }

.maintenance-accordion { margin-top: 46px; }
.maintenance-accordion h3 { font-size: 1.75rem; margin-bottom: 28px; text-align: center; }

.accordion { max-width: 800px; margin: 0 auto; }

.accordion-item {
    margin-bottom: 13px;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    background: var(--clr-white);
}

.accordion-header {
    width: 100%;
    padding: 18px 24px;
    background: var(--clr-white);
    color: var(--clr-primary-dk);
    font-weight: 600;
    text-align: left;
    border: none;
    cursor: pointer;
    display: flex; align-items: center; gap: 14px;
    transition: var(--tr-base);
    font-size: 1.05rem;
}

.accordion-header::after {
    content: '+';
    font-size: 1.35rem;
    margin-left: auto;
    transition: transform 0.3s ease;
}

.accordion-item.open .accordion-header::after { content: '−'; }
.accordion-header:hover { background: var(--clr-surface); }

.accordion-content {
    max-height: 0;
    overflow: hidden;
    background: var(--clr-surface);
    padding: 0 24px;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.accordion-item.open .accordion-content { max-height: 200px; padding: 18px 24px; }

.maintenance-program { padding: 70px 0; }

.program-steps { max-width: 900px; margin: 0 auto; }

.program-step {
    display: flex;
    align-items: flex-start;
    gap: 28px;
    margin-bottom: 36px;
    padding: 28px;
    background: var(--clr-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--tr-base);
}

.program-step:hover { transform: translateX(10px); box-shadow: var(--shadow-md); }

.step-number {
    width: 58px; height: 58px;
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
    color: var(--clr-white);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 { font-size: 1.35rem; margin-bottom: 12px; }
.step-content p  { line-height: 1.7; }

.other-services { padding: 70px 0; background: var(--clr-surface); }

.other-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 26px;
}

.other-service-card {
    background: var(--clr-white);
    padding: 28px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--tr-base);
}

.other-service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
.other-service-card i     { font-size: 2.4rem; color: var(--clr-primary); margin-bottom: 18px; }
.other-service-card h3    { font-size: 1.25rem; margin-bottom: 8px; }

/* Servicios page CTA — full section (NOT the index button wrapper) */
.services-cta-section {
    padding: 70px 0;
    background: linear-gradient(135deg, var(--clr-primary-dk) 0%, var(--clr-accent) 100%);
    color: var(--clr-white);
    text-align: center;
}

.services-cta-section h2 { color: var(--clr-white); font-size: 2.1rem; margin-bottom: 14px; }
.services-cta-section p  { color: rgba(255,255,255,0.9); font-size: 1.15rem; margin-bottom: 28px; max-width: 600px; margin-inline: auto; }


/* ============================================================
   CONTACTO PAGE
   ============================================================ */
.contact-main { padding: 70px 0; }

.contact-header { text-align: center; margin-bottom: 56px; }
.contact-header h2 { font-size: var(--text-3xl); margin-bottom: 13px; }
.contact-header p  { font-size: var(--text-lg); max-width: 600px; margin-inline: auto; }

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1.2fr;
    gap: 28px;
    margin-bottom: 70px;
}

.contact-info-card {
    background: var(--clr-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--tr-base);
}

.contact-info-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }

.contact-card-header {
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
    color: var(--clr-white);
    padding: 22px;
    display: flex; align-items: center; gap: 13px;
}

.contact-card-header i  { font-size: 1.4rem; }
.contact-card-header h3 { color: var(--clr-white); margin: 0; font-size: 1.25rem; }

.contact-card-body { padding: 22px; }

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 13px;
    margin-bottom: 22px;
}
.contact-item:last-child { margin-bottom: 0; }

.contact-icon {
    width: 38px; height: 38px;
    background: var(--clr-light);
    color: var(--clr-primary);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.95rem;
    flex-shrink: 0;
}

.contact-details { flex: 1; }
.contact-label { display: block; font-size: 0.88rem; color: var(--clr-text-muted); margin-bottom: 4px; font-weight: 500; }

.copy-field {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--clr-gray-light);
    padding: 7px 11px;
    border-radius: 6px;
    margin-bottom: 6px;
}

.copy-text { flex: 1; font-weight: 500; color: var(--clr-text); }

.copy-btn {
    background: none;
    border: none;
    color: var(--clr-primary);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: var(--tr-base);
}

.copy-btn:hover { background: rgba(0,154,220,0.10); }

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: var(--clr-primary);
    font-weight: 500;
    transition: var(--tr-base);
    padding: 6px 0;
}

.contact-link:hover { color: var(--clr-accent); }

.phone-numbers { display: flex; flex-direction: column; gap: 4px; }

.location-item {
    display: flex;
    align-items: flex-start;
    gap: 13px;
    margin-bottom: 22px;
    padding-bottom: 22px;
    border-bottom: 1px solid var(--clr-border);
}

.location-item:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }

.location-icon {
    width: 38px; height: 38px;
    background: var(--clr-light);
    color: var(--clr-primary);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.95rem;
    flex-shrink: 0;
}

.location-details { flex: 1; }
.location-details h4 { font-size: 1.05rem; margin-bottom: 6px; }

.map-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--clr-primary);
    font-size: 0.88rem;
    font-weight: 500;
    margin-top: 6px;
    transition: var(--tr-base);
}

.map-link:hover { color: var(--clr-accent); }

/* Contact form */
.contact-form-card {
    background: var(--clr-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.form-header {
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
    color: var(--clr-white);
    padding: 22px;
    text-align: center;
}

.form-header i   { font-size: 1.9rem; margin-bottom: 13px; }
.form-header h3  { color: var(--clr-white); margin: 0 0 6px; font-size: 1.35rem; }
.form-header p   { color: rgba(255,255,255,0.9); margin: 0; font-size: 0.92rem; }

.contact-form-card form { padding: 26px; }

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    margin-bottom: 18px;
}

.form-group { margin-bottom: 18px; }

.form-group label {
    display: flex;
    align-items: center;
    gap: 7px;
    margin-bottom: 7px;
    font-weight: 600;
    color: var(--clr-primary-dk);
    font-size: 0.92rem;
}

.form-group label i { color: var(--clr-primary); font-size: 0.88rem; }

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 11px 14px;
    border: 2px solid var(--clr-border);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--tr-base);
    background: var(--clr-white);
    color: var(--clr-text);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--clr-primary);
    box-shadow: 0 0 0 3px rgba(0,154,220,0.10);
}

.form-group input.invalid,
.form-group textarea.invalid { border-color: #e74c3c; }
.form-group input.valid,
.form-group textarea.valid   { border-color: #27ae60; }

.form-group textarea { resize: vertical; min-height: 115px; }
.form-group select { cursor: pointer; }

.error-message {
    display: block;
    color: #e74c3c;
    font-size: 0.83rem;
    margin-top: 4px;
    min-height: 16px;
}

/* Map section */
.map-section { padding: 70px 0; background: var(--clr-surface); }

.map-header { text-align: center; margin-bottom: 44px; }
.map-header h2 { font-size: var(--text-3xl); margin-bottom: 12px; }
.map-header p  { font-size: var(--text-lg); max-width: 580px; margin-inline: auto; }

.map-container {
    background: var(--clr-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.map-tabs {
    display: flex;
    background: var(--clr-gray-light);
    border-bottom: 1px solid var(--clr-border);
}

.map-tab {
    flex: 1;
    padding: 14px 18px;
    background: none;
    border: none;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center; gap: 7px;
    font-weight: 600;
    color: var(--clr-text-muted);
    transition: var(--tr-base);
}

.map-tab.active { background: var(--clr-white); color: var(--clr-primary); }
.map-tab:hover:not(.active) { background: rgba(0,154,220,0.08); }

.map-frame { display: none; }
.map-frame.active { display: block; }

/* Contact CTA */
.contact-cta {
    padding: 70px 0;
    background: linear-gradient(135deg, var(--clr-primary-dk) 0%, var(--clr-accent) 100%);
    color: var(--clr-white);
}

.cta-content { text-align: center; max-width: 800px; margin-inline: auto; }
.cta-text h2 { color: var(--clr-white); font-size: 2.1rem; margin-bottom: 13px; }
.cta-text p  { color: rgba(255,255,255,0.9); font-size: 1.15rem; margin-bottom: 26px; }

/* Notifications */
.notification {
    position: fixed;
    top: 100px;
    right: 28px;
    background: var(--clr-white);
    padding: 14px 18px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex; align-items: center; gap: 10px;
    z-index: 2000;
    transform: translateX(400px);
    transition: transform 0.3s ease;
    border-left: 4px solid var(--clr-primary);
    max-width: 320px;
}

.notification.show      { transform: translateX(0); }
.notification.success   { border-left-color: #27ae60; }
.notification.success i { color: #27ae60; }
.notification.error-notif   { border-left-color: #e74c3c; }
.notification.error-notif i { color: #e74c3c; }
.notification i         { font-size: 1.15rem; }


/* ============================================================
   FOOTER
   ============================================================ */
.main-footer {
    background: var(--clr-primary-dk);
    padding: var(--sp-12) 0 var(--sp-8);
    position: relative;
    overflow: hidden;
}

.main-footer::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent), var(--clr-primary));
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--sp-6);
}

.footer-brand { flex-shrink: 0; }
.footer-logo  { height: 48px; width: auto; filter: brightness(0) invert(1); opacity: 0.9; transition: var(--tr-base); }
.footer-logo:hover { opacity: 1; }
.footer-logo img { height: 48px; filter: brightness(0) invert(1); opacity: 0.9; }

.footer-info { text-align: right; display: flex; flex-direction: column; align-items: flex-end; gap: var(--sp-4); }
.footer-info p { color: rgba(255,255,255,0.72); font-size: var(--text-xs); margin: 0; }

.social-links { display: flex; gap: var(--sp-3); }

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px; height: 38px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 50%;
    color: rgba(255,255,255,0.8);
    font-size: 1rem;
    transition: var(--tr-base);
}

.social-links a:hover {
    background: var(--clr-primary);
    border-color: var(--clr-primary);
    color: var(--clr-white);
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0,154,220,0.38);
}


/* ============================================================
   FLOATING BUTTONS
   ============================================================ */
.whatsapp-float {
    position: fixed;
    bottom: 28px; right: 28px;
    z-index: 999;
    width: 58px; height: 58px;
    background: #25d366;
    color: var(--clr-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
    box-shadow: 0 4px 20px rgba(37,211,102,0.45);
    transition: var(--tr-base);
    animation: pulse-wa 3s ease-in-out infinite;
}

@keyframes pulse-wa {
    0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,0.45); }
    50%       { box-shadow: 0 4px 32px rgba(37,211,102,0.70); }
}

.whatsapp-float:hover { transform: scale(1.12); animation-play-state: paused; color: var(--clr-white); }

.floating-buttons {
    position: fixed;
    bottom: 25px; right: 25px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    z-index: 999;
}

.floating-buttons .whatsapp-float { position: static; }


/* ============================================================
   RESPONSIVE — TABLET (≤ 1200px)
   ============================================================ */
@media (max-width: 1200px) {
    .contact-grid { grid-template-columns: 1fr 1fr; }
    .contact-form-card { grid-column: 1 / -1; }
}

@media (max-width: 992px) {
    .mission-vision-grid { grid-template-columns: 1fr; gap: 26px; }
    .content-block, .mission-vision-card { padding: 28px; }
    .company-cta { padding: 46px 28px; }

    .intro-card { flex-direction: column; text-align: center; padding: 28px; }

    .featured-service-card { grid-template-columns: 1fr; gap: 26px; padding: 28px; }
    .featured-service-image { height: 140px; font-size: 3rem; }

    .program-step { flex-direction: column; text-align: center; gap: 18px; }

    .index-services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }

    .service-item:nth-child(3) {
        grid-column: 1 / -1;
        flex-direction: row;
        max-height: 260px;
    }
    .service-item:nth-child(3) .service-image { width: 40%; height: auto; flex-shrink: 0; }
    .service-item:nth-child(3) .service-content { flex: 1; }

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

    .footer-content { flex-direction: column; align-items: center; text-align: center; }
    .footer-info { align-items: center; text-align: center; }
    .social-links { justify-content: center; }

    .cta-buttons { flex-direction: column; align-items: center; }

    .hero-stats-strip .container { flex-wrap: wrap; }
    .strip-stat { flex: 1 1 calc(50% - 1px); border-right: none; border-bottom: 1px solid rgba(255,255,255,0.10); }
    .strip-stat:nth-child(odd) { border-right: 1px solid rgba(255,255,255,0.10); }
    .strip-stat:last-child { border-bottom: none; }
}


/* ============================================================
   RESPONSIVE — MOBILE (≤ 768px)
   ============================================================ */
@media (max-width: 768px) {
    section { padding: 60px 0; }

    .hero-banner.company-hero  { height: 46vh; min-height: 320px; }
    .hero-banner.services-hero { height: 54vh; min-height: 400px; }
    .hero-banner.contact-hero  { height: 48vh; min-height: 350px; }

    .hero-banner > .hero-overlay h1 { font-size: 1.8rem; }
    .hero-banner > .hero-overlay p  { font-size: 1rem; }
    .hero-banner > .hero-overlay .cta-buttons { justify-content: center; }

    .hero-stats-strip .container { flex-direction: column; }
    .strip-stat { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.10); }
    .strip-stat:last-child { border-bottom: none; }

    .contact-stats { gap: 16px; flex-direction: column; align-items: center; }

    .block-header { flex-direction: column; text-align: center; gap: 8px; }
    .content-block { padding: 22px 18px; margin-bottom: 24px; }
    .valores-grid { grid-template-columns: 1fr; }
    .valor-card { padding: 28px 18px; }
    .section-header h2 { font-size: 1.9rem; }

    .categories-grid { grid-template-columns: 1fr; }
    .services-grid   { grid-template-columns: 1fr; }
    .service-card    { padding: 22px 18px; }
    .filter-buttons  { flex-direction: column; align-items: center; }
    .filter-btn      { width: 200px; justify-content: center; }
    .featured-service-content h3 { font-size: 1.55rem; }
    .accordion-header { padding: 14px 18px; font-size: 0.97rem; }
    .hero-stats { gap: 18px; }
    .stat-number { font-size: 2rem; }

    .contact-grid { grid-template-columns: 1fr; gap: 22px; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .map-tabs { flex-direction: column; }

    .index-services-grid { grid-template-columns: 1fr; gap: 1.25rem; }
    .service-item:nth-child(3) { grid-column: auto; flex-direction: column; max-height: none; }
    .service-item:nth-child(3) .service-image { width: 100%; height: clamp(180px, 45vw, 240px); }
    .service-image { height: clamp(180px, 45vw, 240px); }
    .service-item:nth-child(1),
    .service-item:nth-child(2),
    .service-item:nth-child(3) { transition-delay: 0.05s; }

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

    .clients-track { gap: 12px; }
    .client-logo-card { min-width: 120px; padding: 16px 20px; }

    .floating-buttons { bottom: 15px; right: 15px; }
    .whatsapp-float   { width: 52px; height: 52px; font-size: 1.5rem; bottom: 18px; right: 18px; }
}


/* ============================================================
   RESPONSIVE — SMALL MOBILE (≤ 480px)
   ============================================================ */
@media (max-width: 480px) {
    .logo img { height: 42px; }

    .btn-primary, .cta-button { padding: 12px 24px; font-size: 0.92rem; }
    .btn-primary.large, .cta-button.primary { padding: 14px 30px; }
    .btn-secondary { padding: 13px 26px; font-size: 0.95rem; }

    .hero-text h1 { font-size: 1.8rem; }
    .hero-text p  { font-size: 1rem; }
    .hero-stats { gap: 12px; }
    .stat-number { font-size: 1.5rem; }
    .stat-label  { font-size: 0.78rem; }

    .about-content h2 { font-size: clamp(1.6rem, 7vw, 2rem); }

    .company-section { padding: 50px 0; }
    .content-block { padding: 18px 14px; }
    .mission-vision-card { padding: 22px 14px; }
    .card-icon, .valor-icon { width: 68px; height: 68px; font-size: 1.75rem; }
    .company-cta { padding: 28px 14px; margin-top: 40px; }
    .company-cta h2 { font-size: 1.6rem; }

    .intro-card { padding: 18px 14px; }
    .intro-icon { width: 60px; height: 60px; font-size: 1.5rem; }

    .service-card { flex-direction: column; text-align: center; gap: 13px; }
    .service-icon { margin: 0 auto; }

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

    .service-content { padding: var(--sp-5); }
    .service-content h3 { font-size: var(--text-lg); }

    .contact-main { padding: 50px 0; }
    .contact-header h2 { font-size: 1.9rem; }
    .contact-card-body { padding: 18px; }
    .contact-form-card form { padding: 18px; }
    .contact-item, .location-item { flex-direction: column; gap: 8px; text-align: center; }
    .contact-icon, .location-icon { align-self: center; }
    .copy-field { justify-content: center; }

    .map-section { padding: 50px 0; }
    .contact-cta { padding: 50px 0; }
    .cta-text h2 { font-size: 1.75rem; }

    .main-footer { padding: var(--sp-10) 0 var(--sp-6); }
    .footer-logo, .footer-logo img { height: 40px; }

    .portfolio-visual { height: 140px; font-size: 2.8rem; }
    .portfolio-body { padding: 18px; }
    .portfolio-meta { padding: 12px 18px; flex-wrap: wrap; gap: 10px; }
}

@media (max-width: 360px) {
    .container { width: 94%; }
    .cta-button.primary { width: 100%; justify-content: center; }
}


/* ============================================================
   HERO SPLIT — layout 50 / 50
   Texto a la izquierda, imagen a la derecha.
   Reemplaza .hero-banner en index.html
   ============================================================ */
.hero-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: clamp(520px, 80vh, 820px);
    background: #04111c;         /* fondo del lado texto */
    overflow: hidden;
}

/* ── Columna texto ───────────────────────────────────────────── */
.hero-split__text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(2.5rem, 6vw, 5rem) clamp(1.5rem, 5vw, 4.5rem);
    position: relative;
    z-index: 1;
}

/* Círculo decorativo de fondo */
.hero-split__text::before {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -80px;
    width: 380px;
    height: 380px;
    background: radial-gradient(circle, rgba(0,154,220,0.12) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
}

.hero-split__text .hero-badge {
    align-self: flex-start;
    margin-bottom: 1.4rem;
    animation: fadeInUp 0.7s ease-out both;
}

.hero-split__text h1 {
    font-size: clamp(2rem, 4vw, 3.4rem);
    color: var(--clr-white);
    line-height: 1.15;
    margin-bottom: 1.25rem;
    animation: fadeInUp 0.7s ease-out 0.1s both;
}

.hero-split__text h1 span {
    color: #5cc8f0;
    position: relative;
    display: inline-block;
}

/* Subrayado animado bajo "futuro" */
.hero-split__text h1 span::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #5cc8f0, #009adc);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: left;
    animation: underlineIn 0.5s ease-out 0.9s forwards;
}

@keyframes underlineIn {
    to { transform: scaleX(1); }
}

.hero-split__text p {
    font-size: clamp(1rem, 1.8vw, 1.15rem);
    color: rgba(255,255,255,0.80);
    line-height: 1.75;
    max-width: 480px;
    margin-bottom: 2rem;
    animation: fadeInUp 0.7s ease-out 0.2s both;
}

.hero-split__text .cta-buttons {
    justify-content: flex-start;
    flex-wrap: wrap;
    animation: fadeInUp 0.7s ease-out 0.3s both;
}

/* Botón secundario adaptado al fondo oscuro */
.hero-split__secondary-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 36px;
    border: 2px solid rgba(255,255,255,0.35);
    border-radius: var(--radius-md);
    color: rgba(255,255,255,0.90);
    font-weight: 700;
    font-size: var(--text-base);
    transition: var(--tr-base);
    background: transparent;
}

.hero-split__secondary-btn:hover {
    background: rgba(255,255,255,0.10);
    border-color: rgba(255,255,255,0.65);
    color: var(--clr-white);
    transform: translateY(-2px);
}

/* Trust indicators */
.hero-split__trust {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 2.2rem;
    animation: fadeInUp 0.7s ease-out 0.45s both;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,0.70);
    font-size: 0.9rem;
}

.trust-item i {
    color: #5cc8f0;
    font-size: 0.95rem;
    flex-shrink: 0;
}

/* ── Columna imagen ──────────────────────────────────────────── */
.hero-split__image {
    position: relative;
    overflow: hidden;
}

.hero-split__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform 8s ease;  /* slow Ken Burns */
    animation: kenBurns 12s ease-in-out infinite alternate;
}

@keyframes kenBurns {
    from { transform: scale(1.00); }
    to   { transform: scale(1.06); }
}

/* Gradiente izquierdo para fundir con el panel de texto */
.hero-split__image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to right,
        rgba(4, 17, 28, 0.55) 0%,
        transparent 35%
    );
    z-index: 1;
    pointer-events: none;
}

/* Chip flotante */
.hero-split__chip {
    position: absolute;
    bottom: 32px;
    left: 24px;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255,255,255,0.96);
    border-radius: var(--radius-md);
    padding: 12px 18px;
    box-shadow: 0 8px 28px rgba(0,0,0,0.22);
    animation: fadeInUp 0.7s ease-out 0.6s both;
}

.hero-split__chip i {
    font-size: 1.6rem;
    color: var(--clr-primary);
    flex-shrink: 0;
}

.hero-split__chip strong {
    display: block;
    font-size: 0.92rem;
    color: var(--clr-primary-dk);
    font-weight: 700;
    line-height: 1.2;
}

.hero-split__chip span {
    font-size: 0.78rem;
    color: var(--clr-text-muted);
}


/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 900px) {
    .hero-split {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .hero-split__image {
        height: clamp(240px, 45vw, 420px);
        order: -1;          /* imagen primero en móvil */
    }

    /* En móvil la imagen va arriba y no necesita el gradiente lateral */
    .hero-split__image::before {
        background: linear-gradient(
            to bottom,
            transparent 50%,
            rgba(4,17,28,0.35) 100%
        );
    }

    .hero-split__text {
        padding: 2.5rem 1.5rem 3rem;
        align-items: center;
        text-align: center;
    }

    .hero-split__text .hero-badge { align-self: center; }
    .hero-split__text p { max-width: 100%; }
    .hero-split__text .cta-buttons { justify-content: center; }
    .hero-split__trust { align-items: center; }

    .hero-split__chip {
        left: 50%;
        transform: translateX(-50%);
        bottom: 16px;
        white-space: nowrap;
    }
}

@media (max-width: 480px) {
    .hero-split__text h1 { font-size: 1.85rem; }
    .hero-split__text p  { font-size: 0.97rem; }
    .hero-split__secondary-btn { padding: 13px 26px; }
    .hero-split__chip { padding: 10px 14px; gap: 8px; }
    .hero-split__chip i { font-size: 1.3rem; }
}