/* ============================================
   BALVANERA COLLECTION — Brand Identity CSS
   Forest Green Corporate Identity
   Primary: #2E7D32  Accent: #81C784
   ============================================ */

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

:root {
    /* Brand */
    --green:        #2E7D32;
    --green-dark:   #1B5E20;
    --green-mid:    #81C784;
    --green-light:  #C8E6C9;
    --green-bg:     #E8F5E9;

    --blue:         #66BB6A;
    --blue-dark:    #388E3C;
    --blue-light:   #A5D6A7;
    --blue-bg:      #E8F3E8;

    /* Neutral */
    --ink:          #1A2E1C;   /* deep forest text */
    --ink-mid:      #2E4A30;   /* mid green-toned text */
    --ink-light:    #5A7A5C;   /* light descriptive text */
    --border:       #B8D8BA;   /* soft green border */
    --border-blue:  #A5D6A7;

    --bg:           #F8FBF8;   /* cool off-white with green tint */
    --bg-green:     #F1F8F1;
    --bg-blue:      #E8F3E8;
    --bg-dark:      #0A1A0C;   /* deep forest dark */

    --white:        #fff;
}

html { scroll-behavior: smooth; }
body {
    font-family: 'Red Hat Display', sans-serif;
    color: var(--ink-mid);
    line-height: 1.6;
    background: var(--bg);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 {
    font-family: 'Red Hat Display', sans-serif;
    color: var(--ink);
    font-weight: 700;
    line-height: 1.15;
}
img { display: block; max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; transition: 0.3s; }

/* ---- Utilities ---- */
.elg-w { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

.elg-ey {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: 0.85rem;
}

.elg-sec-hd {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}
.elg-sec-hd h2 {
    font-size: 2.4rem;
    margin-bottom: 0.75rem;
    letter-spacing: -0.5px;
    color: var(--ink);
}
.elg-sec-hd p { color: var(--ink-light); font-size: 1.05rem; }

/* ---- Logo ---- */
.elg-logo-img {
    height: 38px;
    width: auto;
    display: block;
}
.elg-logo-img--footer {
    height: 34px;
    opacity: 0.9;
}

/* ---- Header ---- */
header {
    position: fixed;
    top: 0; left: 0; right: 0;
    background: var(--green-bg);
    backdrop-filter: none;
    z-index: 1000;
    border-bottom: 2px solid var(--green-light);
}
.elg-hdr {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.75rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
nav { display: flex; gap: 2rem; align-items: center; }
nav a { font-size: 0.88rem; font-weight: 500; color: var(--ink-light); }
nav a:hover { color: var(--green-dark); }

.elg-btn-hdr {
    background: var(--green);
    color: var(--white) !important;
    padding: 0.65rem 1.4rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.88rem;
}
.elg-btn-hdr:hover { background: var(--green-dark); transform: translateY(-1px); }

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
}
.menu-toggle span { width: 22px; height: 2px; background: var(--ink); display: block; }

/* ---- Hero ---- */
.elg-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}
.elg-hero-bg { position: absolute; inset: 0; z-index: 0; }
.elg-hero-bg img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.elg-hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(10,26,12,0.75) 0%, rgba(10,26,12,0.65) 100%);
}
.elg-hero-wrap {
    position: relative;
    z-index: 1;
    max-width: 820px;
    margin: 0 auto;
    padding: 8rem 2rem 4rem;
}
.elg-hero .elg-ey { color: var(--green-light); letter-spacing: 3px; }
.elg-hero h1 {
    font-size: clamp(3.5rem, 7vw, 6rem);
    letter-spacing: -2px;
    line-height: 1;
    margin-bottom: 1.5rem;
    color: var(--white);
}
.elg-hero p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.82);
    margin-bottom: 0;
    max-width: 580px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.75;
}
.elg-hero-divider {
    width: 50px;
    height: 3px;
    background: var(--green-light);
    margin: 2rem auto;
    border-radius: 2px;
}
.elg-btn-arr {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--white);
    color: var(--green-dark);
    padding: 1rem 2.25rem;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.95rem;
    transition: all 0.3s;
}
.elg-btn-arr:hover {
    background: var(--green-bg);
    transform: translateY(-2px);
    gap: 1.1rem;
}
.elg-btn-arr svg { width: 18px; height: 18px; }

/* ---- About / Nosotros ---- */
.elg-about { padding: 6rem 0; background: var(--white); }
.elg-about-pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}
.elg-about-photo img {
    border-radius: 14px;
    width: 100%;
    height: 580px;
    object-fit: cover;
    box-shadow: 0 20px 50px rgba(46, 125, 50, 0.12);
}
.elg-about-prose h2 { font-size: 2.4rem; margin-bottom: 1.25rem; }
.elg-about-rule {
    width: 40px;
    height: 3px;
    background: var(--green);
    border-radius: 2px;
    margin-bottom: 1.5rem;
}
.elg-about-prose p {
    font-size: 1.05rem;
    color: var(--ink-mid);
    margin-bottom: 2.5rem;
    line-height: 1.85;
}
.elg-about-metrics {
    display: flex;
    gap: 2.5rem;
    border-top: 1px solid var(--border);
    padding-top: 2rem;
}
.elg-about-metrics strong {
    display: block;
    font-size: 2rem;
    color: var(--green);
    line-height: 1;
    margin-bottom: 0.3rem;
    font-weight: 800;
}
.elg-about-metrics span {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--ink-light);
}

/* ---- MVV ---- */
.elg-mvv { padding: 6rem 0; background: var(--bg-green); }
.elg-mvv-triptych {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.elg-trip {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    border-top: 4px solid var(--green);
    transition: transform 0.3s, box-shadow 0.3s;
}
.elg-trip:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(46, 125, 50, 0.10);
}
.elg-trip-n {
    display: block;
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--green-light);
    line-height: 1;
    margin-bottom: 0.75rem;
}
.elg-trip h3 { font-size: 1.2rem; margin-bottom: 0.85rem; color: var(--ink); }
.elg-trip p { font-size: 0.95rem; color: var(--ink-mid); line-height: 1.7; }

/* ---- Beneficios ---- */
.elg-benef { padding: 6rem 0; background: var(--white); }
.elg-benef-weave {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.75rem;
}
.elg-weave {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    padding: 2rem 1.75rem;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-green);
    transition: box-shadow 0.3s;
}
.elg-weave:hover { box-shadow: 0 6px 20px rgba(46, 125, 50, 0.08); }
.elg-weave-dot {
    width: 10px;
    height: 10px;
    background: var(--green);
    border-radius: 50%;
    margin-top: 0.5rem;
    flex-shrink: 0;
}
.elg-weave h3 { font-size: 1.05rem; margin-bottom: 0.4rem; color: var(--ink); }
.elg-weave p { font-size: 0.92rem; color: var(--ink-mid); line-height: 1.65; }

/* ---- Servicios ---- */
.elg-serv { padding: 6rem 0; background: var(--bg-blue); }
.elg-serv-cascade {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.elg-casc {
    background: var(--white);
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--border-blue);
    box-shadow: 0 4px 20px rgba(46, 125, 50, 0.12);
    transition: transform 0.3s, box-shadow 0.3s;
}
.elg-casc:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(46, 125, 50, 0.2);
}
.elg-casc img { width: 100%; height: 230px; object-fit: cover; }
.elg-casc-txt { padding: 1.75rem; }
.elg-casc-txt h3 { font-size: 1.15rem; margin-bottom: 0.6rem; color: var(--ink); }
.elg-casc-txt p { font-size: 0.92rem; color: var(--ink-mid); line-height: 1.65; }

/* ---- Sectores ---- */
.elg-sect { padding: 6rem 0; background: var(--white); }
.elg-sect-tiles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.elg-stile {
    text-align: center;
    padding: 3rem 2rem;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--bg-green);
    transition: all 0.3s;
}
.elg-stile:hover {
    border-color: var(--green);
    box-shadow: 0 8px 28px rgba(46, 125, 50, 0.10);
    transform: translateY(-4px);
}
.elg-stile-ic {
    width: 62px;
    height: 62px;
    background: var(--green-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--green-dark);
    transition: background 0.3s;
}
.elg-stile:hover .elg-stile-ic { background: var(--green); color: var(--white); }
.elg-stile-ic svg { width: 26px; height: 26px; stroke-width: 1.5; }
.elg-stile h3 { font-size: 1.1rem; margin-bottom: 0.6rem; color: var(--ink); }
.elg-stile p { font-size: 0.92rem; color: var(--ink-mid); line-height: 1.65; }

/* ---- Cifras ---- */
.elg-cifras {
    background: var(--bg-dark);
    padding: 4.5rem 2rem;
}
.elg-cifras-wrap {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}
.elg-cf strong {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    color: var(--green-light);
    line-height: 1;
    margin-bottom: 0.5rem;
}
.elg-cf span {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.55);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

/* ---- CTA ---- */
.elg-cta { padding: 5rem 2rem; background: var(--bg-green); text-align: center; }
.elg-cta-box { max-width: 700px; margin: 0 auto; }
.elg-cta-box h2 { font-size: 2.4rem; margin-bottom: 0.75rem; }
.elg-cta-box > p { font-size: 1.05rem; color: var(--ink-mid); margin-bottom: 2.5rem; }
.elg-cta .elg-btn-arr {
    background: var(--green);
    color: var(--white);
}
.elg-cta .elg-btn-arr:hover {
    background: var(--green-dark);
    color: var(--white);
}

/* ---- Form ---- */
.elg-form {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 2.5rem;
    text-align: left;
    margin-bottom: 0;
    box-shadow: 0 4px 24px rgba(74,114,48,0.08);
}
.elg-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}
.elg-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-bottom: 1.25rem;
}
.elg-form-row .elg-form-group { margin-bottom: 0; }
.elg-form-group label {
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--ink-mid);
}
.elg-form-group input,
.elg-form-group select,
.elg-form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-family: 'Red Hat Display', sans-serif;
    font-size: 0.95rem;
    color: var(--ink);
    background: var(--bg);
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
    resize: vertical;
}
.elg-form-group input::placeholder,
.elg-form-group textarea::placeholder { color: var(--ink-light); }
.elg-form-group input:focus,
.elg-form-group select:focus,
.elg-form-group textarea:focus {
    border-color: var(--green);
    box-shadow: 0 0 0 3px var(--green-light);
    background: var(--white);
}
.elg-form-group select { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235A7A5C' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.5rem; }
.elg-btn-submit {
    width: 100%;
    justify-content: center;
    margin-top: 0.5rem;
    font-size: 1rem;
}

/* ---- Contacto ---- */
.elg-contact { padding: 5rem 0 6rem; background: var(--white); }
.elg-cnt-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    border-top: 2px solid var(--border);
    padding-top: 4rem;
}
.elg-cnt-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
}
.elg-cnt-ic {
    width: 52px;
    height: 52px;
    background: var(--green-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--green-dark);
}
.elg-cnt-ic svg { width: 20px; height: 20px; }
.elg-cnt-block strong {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--green);
    display: block;
}
.elg-cnt-block p {
    font-size: 0.97rem;
    color: var(--ink-mid);
    max-width: 250px;
    line-height: 1.55;
}
.elg-cnt-block a { color: var(--green); font-weight: 600; }

/* ---- Footer ---- */
.elg-footer {
    padding: 2rem 0;
    background: var(--bg-dark);
    border-top: 3px solid var(--green);
}
.elg-ftr-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.elg-ftr-row p { font-size: 0.85rem; color: rgba(255,255,255,0.45); }

/* ---- Responsive ---- */
@media (max-width: 960px) {
    .elg-about-pair, .elg-mvv-triptych, .elg-serv-cascade, .elg-sect-tiles, .elg-cifras-wrap, .elg-cnt-strip {
        grid-template-columns: 1fr;
    }
    .elg-benef-weave { grid-template-columns: 1fr; }
    .elg-about-photo img { height: 380px; }
    .elg-hero h1 { font-size: 3rem; }
    .elg-cifras-wrap { grid-template-columns: repeat(2, 1fr); gap: 3rem; }
}
@media (max-width: 640px) {
    .elg-form-row { grid-template-columns: 1fr; }
    .elg-form { padding: 1.75rem 1.25rem; }
}
@media (max-width: 768px) {
    .menu-toggle { display: flex; }
    nav {
        display: none;
        position: absolute;
        top: 100%; left: 0; right: 0;
        background: var(--green-bg);
        flex-direction: column;
        padding: 1rem;
        border-top: 2px solid var(--green-light);
        box-shadow: 0 10px 30px rgba(74,114,48,0.08);
    }
    nav.active { display: flex; }
    nav a { padding: 0.85rem 0; border-bottom: 1px solid var(--border); }
    .elg-btn-hdr { width: 100%; text-align: center; margin-top: 0.5rem; }
    .elg-hdr { position: relative; }
    .elg-hero h1 { font-size: 2.5rem; }
    .elg-sec-hd h2 { font-size: 2rem; }
    .elg-ftr-row { flex-direction: column; gap: 1rem; text-align: center; }
    .elg-cifras-wrap { grid-template-columns: repeat(2, 1fr); }
}