/* ==========================================================
   ECONSULTORÍA AMBIENTAL LAB SAS — styles.css
========================================================== */

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

:root {
    --verde:       #2E7D32;
    --verde-dark:  #1b5e20;
    --verde-light: #4caf50;
    --naranja:     #E65100;
    --azul:        #0B3C5D;
    --negro:       #0A0A0A;
    --card:        #111111;
    --texto:       #E0E0E0;
    --texto-muted: #BDBDBD;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--negro);
    color: var(--texto);
    line-height: 1.65;
    overflow-x: hidden;
}

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

.section { padding: 90px 10%; text-align: center; }

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 800;
    color: var(--verde);
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--texto-muted);
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.service-card, .stat-card, .about-content {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.service-card.visible, .stat-card.visible, .about-content.visible {
    opacity: 1; transform: translateY(0);
}


/* ==========================================================
   NAVBAR
========================================================== */

.navbar {
    width: 100%;
    padding: 12px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--azul);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

/* Logo centrado en su zona con fondo degradado */
.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.18), rgba(255,255,255,0.06));
    padding: 7px 14px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.12);
}

.logo-img {
    height: 46px;
    width: auto;
    background: white;
    border-radius: 7px;
    padding: 3px 5px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 1rem;
    font-weight: 700;
    color: white;
    line-height: 1.3;
}

.logo-subtitle {
    font-size: 0.7rem;
    color: #c8e6c9;
    display: block;
    letter-spacing: 0.3px;
}

#menu-toggle { display: none; }

/* Nav links desktop — centrados */
.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    /* Centrado absoluto independiente del logo y botón acceso */
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.nav-links > a {
    font-weight: 600;
    font-size: 0.9rem;
    color: #ddd;
    padding: 7px 12px;
    border-radius: 6px;
    transition: 0.25s;
    white-space: nowrap;
}

.nav-links > a:hover {
    color: white;
    background: rgba(46,125,50,0.25);
}

/* Hamburguesa */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 6px;
    z-index: 1001;
    order: 3;
}

.hamburger span {
    display: block;
    width: 24px; height: 2px;
    background: white;
    border-radius: 2px;
    transition: 0.3s;
}

#menu-toggle:checked ~ .hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
#menu-toggle:checked ~ .hamburger span:nth-child(2) { opacity: 0; }
#menu-toggle:checked ~ .hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.menu-overlay { display: none; position: fixed; inset: 0; z-index: 998; }
#menu-toggle:checked ~ .menu-overlay { display: block; }

/* ────────────────────────────────────────────────────────
   DROPDOWN "ACCESO" — FIX DEFINITIVO DEL GAP
   Técnica: el .perfil-dropdown cubre visualmente el espacio
   entre el botón y el menú con un pseudo-elemento invisible.
   Así el cursor nunca "sale" del área hover.
──────────────────────────────────────────────────────── */

.desktop-only { display: flex; align-items: center; }

.perfil-wrapper {
    position: relative;
}

.perfil-menu {
    position: relative;
}

.perfil-btn {
    background: var(--verde);
    color: white;
    padding: 9px 16px;
    border: none;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.88rem;
    cursor: pointer;
    transition: 0.25s;
    font-family: 'Montserrat', sans-serif;
    white-space: nowrap;
    position: relative;
    z-index: 2;
}

.perfil-btn:hover { background: var(--naranja); }

/* El dropdown empieza pegado al botón (top:100%, sin gap) */
.perfil-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 190px;
    /* Padding-top INVISIBLE que llena el hueco entre botón y lista */
    padding-top: 6px;
    display: none;
    z-index: 99999;
}

/* Pseudo-elemento que sube por encima del botón para cubrir el gap */
.perfil-dropdown::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0; right: 0;
    height: 6px; /* mismo valor que padding-top */
    background: transparent;
}

.perfil-menu:hover .perfil-dropdown { display: block; }

/* Caja visual del menú */
.perfil-dropdown-inner {
    background: #111;
    border: 1px solid rgba(46,125,50,0.4);
    border-radius: 10px;
    padding: 6px;
    box-shadow: 0 12px 35px rgba(0,0,0,0.6);
}

.perfil-dropdown a {
    display: block;
    padding: 10px 14px;
    color: var(--texto-muted);
    border-radius: 7px;
    transition: 0.2s;
    font-size: 0.88rem;
    font-weight: 500;
    white-space: nowrap;
}

.perfil-dropdown a:hover {
    background: rgba(46,125,50,0.18);
    color: white;
    padding-left: 18px;
}

/* Perfil móvil */
.perfil-mobile {
    display: none;
    flex-direction: column;
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid rgba(46,125,50,0.3);
    gap: 4px;
    width: 100%;
}

.perfil-mobile-title {
    font-weight: 800;
    font-size: 0.72rem;
    color: var(--verde);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.perfil-mobile a {
    padding: 10px 12px;
    color: #ccc;
    border-radius: 7px;
    font-size: 0.92rem;
    transition: 0.2s;
    display: block;
}

.perfil-mobile a:hover { background: rgba(46,125,50,0.2); color: white; }


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

.hero {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 110px 10% 90px;
    background: linear-gradient(135deg, #060d0f 0%, var(--azul) 60%, #0d1f10 100%);
    gap: 40px;
    min-height: 85vh;
}

.hero-content { width: 50%; max-width: 580px; }

.hero-badge {
    display: inline-block;
    background: rgba(46,125,50,0.15);
    border: 1px solid rgba(46,125,50,0.4);
    color: var(--verde-light);
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 18px;
}

.hero-content h1 {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 800;
    color: white;
    margin-bottom: 18px;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.hero-content p {
    font-size: 1.05rem;
    color: #aaa;
    margin-bottom: 30px;
    line-height: 1.7;
}

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

.btn-primary {
    padding: 13px 24px;
    background: var(--verde);
    color: white;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.95rem;
    transition: 0.3s;
    display: inline-block;
    border: none;
    cursor: pointer;
    font-family: 'Montserrat', sans-serif;
}

.btn-primary:hover {
    background: var(--naranja);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(230,81,0,0.3);
}

.btn-ghost {
    padding: 13px 24px;
    border: 2px solid var(--verde);
    color: var(--verde);
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.95rem;
    transition: 0.3s;
    display: inline-block;
}

.btn-ghost:hover { border-color:var(--naranja); color:var(--naranja); transform:translateY(-2px); }

/* Tarjetas flotantes desktop */
.hero-visual { width: 45%; position: relative; min-height: 350px; }

.hero-orbit {
    width: 280px; height: 280px;
    border-radius: 50%;
    border: 1.5px solid rgba(46,125,50,0.3);
    position: absolute;
    top: 20px; left: 50px;
    animation: rotar 20s linear infinite;
}

@keyframes rotar { from{transform:rotate(0deg);} to{transform:rotate(360deg);} }

.hero-card {
    background: rgba(17,17,17,0.92);
    padding: 20px;
    border-radius: 12px;
    width: 220px;
    box-shadow: 0 0 20px rgba(46,125,50,0.3);
    border: 1px solid rgba(46,125,50,0.2);
    position: relative;
    z-index: 2;
}

.hero-card.secondary {
    position: absolute;
    top: 190px; right: 60px;
    box-shadow: 0 0 20px rgba(230,81,0,0.25);
    border-color: rgba(230,81,0,0.2);
    animation: flotar 4s ease-in-out infinite;
}

@keyframes flotar { 0%,100%{transform:translateY(0);} 50%{transform:translateY(-10px);} }

.hero-tag {
    display: inline-block;
    background: rgba(46,125,50,0.2);
    color: var(--verde-light);
    font-size: 0.72rem; font-weight: 700;
    padding: 3px 10px;
    border-radius: 12px;
    margin-bottom: 10px;
    text-transform: uppercase; letter-spacing: 0.5px;
}

.hero-tag.lab { background:rgba(230,81,0,0.15); color:#ff8a65; }
.hero-card h3 { font-size:1rem; font-weight:700; color:white; margin-bottom:6px; }
.hero-card p  { font-size:0.82rem; color:#888; line-height:1.4; }

/* Carrusel móvil — oculto en desktop */
.hero-carousel { display: none; }


/* ==========================================================
   SERVICIOS
========================================================== */

.services-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 28px;
    margin-top: 8px;
}

.service-card {
    background: var(--card);
    padding: 28px 22px;
    border-radius: 14px;
    border: 1px solid rgba(46,125,50,0.2);
    transition: 0.35s;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content:'';
    position:absolute; bottom:0; left:0; right:0; height:3px;
    background:linear-gradient(90deg,var(--verde),var(--naranja));
    transform:scaleX(0); transition:0.3s;
}

.service-card:hover { transform:translateY(-8px); border-color:var(--verde); box-shadow:0 12px 30px rgba(46,125,50,0.2); }
.service-card:hover::before { transform:scaleX(1); }

.service-icon svg { width:42px; height:42px; fill:var(--verde); margin:0 auto 16px; transition:0.3s; display:block; }
.service-card:hover svg { fill:var(--naranja); }
.service-card h3 { font-size:1rem; font-weight:700; color:white; margin-bottom:8px; }
.service-card p  { font-size:0.88rem; color:#888; line-height:1.5; }


/* ==========================================================
   NOSOTROS
========================================================== */

.about { background:linear-gradient(135deg,#080808,#0c1f0d); }

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    text-align: left;
    max-width: 1000px;
    margin: auto;
}

.about-content p { color:#999; margin-bottom:14px; font-size:0.97rem; line-height:1.75; }
.about-stats { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }

.stat-card { background:var(--card); border:1px solid rgba(46,125,50,0.2); border-radius:14px; padding:22px 14px; text-align:center; transition:0.3s; }
.stat-card:hover { border-color:var(--verde); transform:translateY(-4px); }
.stat-number { display:block; font-size:1.9rem; font-weight:800; color:var(--verde); margin-bottom:6px; }
.stat-label  { font-size:0.78rem; color:#666; font-weight:600; text-transform:uppercase; letter-spacing:0.5px; }


/* ==========================================================
   CONTACTO
========================================================== */

.contact-form { max-width:820px; margin:auto; text-align:left; }
.form-row { display:flex; gap:20px; margin-bottom:20px; }
.form-group { flex:1; display:flex; flex-direction:column; min-width:0; }

label { margin-bottom:7px; font-weight:700; font-size:0.82rem; color:var(--verde); text-transform:uppercase; letter-spacing:0.3px; }

input, select, textarea {
    padding:13px 14px; border-radius:8px; border:1.5px solid #222;
    background:#111; color:white; font-family:'Montserrat',sans-serif; font-size:0.93rem;
    transition:border-color 0.25s,box-shadow 0.25s; outline:none; width:100%;
}

input:focus, select:focus, textarea:focus { border-color:var(--verde); box-shadow:0 0 0 3px rgba(46,125,50,0.12); }
select option { background:#111; }
textarea { resize:vertical; min-height:110px; }

.btn-enviar { margin-top:8px; padding:14px 32px; font-size:1rem; }

.form-feedback { padding:12px 16px; border-radius:8px; font-size:0.9rem; margin-bottom:14px; font-weight:600; }
.form-feedback.success { background:rgba(46,125,50,0.1); border:1px solid rgba(46,125,50,0.4); color:#81c784; }
.form-feedback.error   { background:rgba(255,82,82,0.08); border:1px solid rgba(255,82,82,0.3); color:#FF5252; }


/* ==========================================================
   FOOTER — logo pequeño con fondo blanco degradado
========================================================== */

.footer {
    background: #0a0a0a;
    border-top: 1px solid #1a1a1a;
    padding: 20px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    color: #555;
    font-size: 0.85rem;
}

.footer-brand { display:flex; align-items:center; gap:10px; }

/* Logo del footer: pequeño, fondo blanco con degradado verde sutil */
.footer-logo-box {
    background: linear-gradient(135deg, #ffffff, #e8f5e9);
    border-radius: 8px;
    padding: 5px 8px;
    display: flex;
    align-items: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    border: 1px solid rgba(46,125,50,0.2);
}

.footer-logo { height: 32px; width: auto; }

.footer-nombre { color:#666; font-size:0.82rem; }
.footer-center { color:#444; font-size:0.82rem; }

.footer-right { display:flex; gap:18px; flex-wrap:wrap; justify-content:flex-end; }
.footer-right a { color:#555; transition:0.25s; }
.footer-right a:hover { color:var(--verde); }


/* ==========================================================
   RESPONSIVE — TABLET (≤ 1024px)
========================================================== */

@media (max-width:1024px) {
    .section { padding:70px 6%; }
    .hero { padding:80px 6% 60px; min-height:auto; }
    .hero-content { width:55%; }
    .hero-visual { width:42%; }
    .services-grid { grid-template-columns:repeat(2,1fr); }
    .about-grid { gap:40px; }

    /* En tablet el nav centrado puede chocar; lo quitamos del absoluto */
    .nav-links {
        position: static;
        transform: none;
        gap: 2px;
    }

    .nav-links > a { font-size:0.82rem; padding:6px 8px; }
}


/* ==========================================================
   RESPONSIVE — MÓVIL (≤ 768px)
========================================================== */

@media (max-width:768px) {

    /* Navbar: logo | hamburguesa. Nav-links y desktop-only: ocultos */
    .hamburger { display:flex; }

    /* El nav-links se convierte en panel lateral */
    .nav-links {
        position: fixed;
        top: 0; right: -100%;
        height: 100vh; width: 280px;
        background: #0B3C5D;
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 22px 40px;
        gap: 4px;
        z-index: 999;
        overflow-y: auto;
        transition: right 0.3s ease;
        border-left: 1px solid rgba(46,125,50,0.3);
        box-shadow: -10px 0 30px rgba(0,0,0,0.5);
        /* Sobreescribir el centrado absoluto de desktop */
        left: unset;
        transform: none;
    }

    #menu-toggle:checked ~ .nav-links { right: 0; display: flex; }

    .nav-links > a { width:100%; padding:12px 14px; font-size:1rem; }

    /* Ocultar botón Acceso desktop, mostrar sección móvil */
    .desktop-only { display: none !important; }
    .perfil-mobile { display: flex; }

    /* Hero */
    .hero { flex-direction:column; text-align:center; padding:60px 6%; gap:28px; min-height:auto; }
    .hero-content { width:100%; }
    .hero-actions { justify-content:center; }
    .hero-visual { display:none; }

    /* Tarjetas móvil: columna, ancho completo, sin salirse */
    .hero-carousel {
        display: flex;
        flex-direction: column;
        gap: 14px;
        width: 100%;
    }

    .hero-carousel .hero-card {
        width: 100%;
        min-width: unset;
        position: relative;
    }

    .services-grid { grid-template-columns:1fr; gap:18px; }

    .about-grid { grid-template-columns:1fr; gap:28px; text-align:center; }
    .about-content .section-title { text-align:center !important; }
    .about-stats { grid-template-columns:repeat(3,1fr); }

    .form-row { flex-direction:column; gap:0; }
    .form-group { margin-bottom:16px; }

    .footer { flex-direction:column; text-align:center; }
    .footer-brand { justify-content:center; }
    .footer-right { justify-content:center; }
}


/* ==========================================================
   RESPONSIVE — MÓVIL PEQUEÑO (≤ 480px)
========================================================== */

@media (max-width:480px) {
    .section { padding:56px 5%; }
    .logo-title { font-size:0.85rem; }
    .logo-subtitle { display:none; }
    .logo-img { height:36px; }
    .hero { padding:50px 5%; }
    .hero-content h1 { font-size:1.7rem; }
    .hero-actions { flex-direction:column; align-items:center; }
    .btn-primary, .btn-ghost { width:100%; text-align:center; }
    .about-stats { grid-template-columns:1fr; max-width:200px; margin:auto; }
    .section-title { font-size:1.6rem; }
    .footer-right { flex-direction:column; gap:10px; align-items:center; }
}