/* ============================================================
   MOBILITY & CITY CONSULTING GROUP — styles.css
   Versión 2.0 | Diseño moderno, SEO-friendly, responsive
   ============================================================ */

/* ===== VARIABLES DE DISEÑO ===== */
:root {
    --navy:        #0a1f44;
    --navy-mid:    #1a3a6b;
    --navy-light:  #2c5aa0;
    --cyan:        #00c2e0;
    --cyan-light:  #4dd9ee;
    --cyan-dark:   #0099b8;
    --accent:      #f0a500;
    --white:       #ffffff;
    --off-white:   #f4f7fc;
    --gray-100:    #f0f4f8;
    --gray-200:    #e2e8f0;
    --gray-500:    #64748b;
    --gray-700:    #334155;
    --text-dark:   #0d1b2a;
    --text-body:   #3d5166;
    --shadow-sm:   0 2px 8px rgba(10,31,68,.07);
    --shadow-md:   0 8px 24px rgba(10,31,68,.12);
    --shadow-lg:   0 20px 60px rgba(10,31,68,.18);
    --radius-sm:   8px;
    --radius-md:   14px;
    --radius-lg:   24px;
    --radius-pill: 999px;
    --font-display:'Outfit', sans-serif;
    --font-body:   'Barlow', sans-serif;
    --transition:  0.3s cubic-bezier(.4,0,.2,1);
    --max-width:   1200px;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font-body);
    color: var(--text-body);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: var(--font-body); cursor: pointer; border: none; background: none; }
address { font-style: normal; }

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== PRELOADER ===== */
.preloader {
    position: fixed; inset: 0;
    background: var(--navy);
    display: flex; align-items: center; justify-content: center;
    z-index: 9999;
    transition: opacity .5s ease, visibility .5s ease;
}
.preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.preloader-inner {
    display: flex; flex-direction: column; align-items: center; gap: 24px;
}
.preloader-inner img { animation: pulse 1.2s ease-in-out infinite; }

@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.7;transform:scale(.95)} }

.preloader-bar {
    width: 180px; height: 3px;
    background: rgba(255,255,255,.15);
    border-radius: var(--radius-pill);
    overflow: hidden;
}
.preloader-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--cyan), var(--cyan-light));
    border-radius: var(--radius-pill);
    animation: loadBar 1.5s ease forwards;
}
@keyframes loadBar { from{width:0} to{width:100%} }

/* ===== HEADER / NAV ===== */
.header {
    position: fixed; top: 0; width: 100%;
    background: rgba(255,255,255,.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0,194,224,.1);
    z-index: 1000;
    transition: background var(--transition), box-shadow var(--transition);
}
.header.scrolled {
    box-shadow: 0 4px 24px rgba(10,31,68,.1);
}

.navbar { padding: .75rem 0; }

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between;
    gap: 1rem;
}

.nav-logo img {
    height: 52px; width: auto;
    transition: transform var(--transition);
}
.nav-logo:hover img { transform: scale(1.03); }

.nav-menu {
    display: flex; align-items: center; gap: .25rem;
}

.nav-link {
    font-family: var(--font-display);
    font-size: .88rem; font-weight: 500;
    color: var(--gray-700);
    padding: .5rem .85rem;
    border-radius: var(--radius-sm);
    transition: color var(--transition), background var(--transition);
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute; bottom: 4px; left: 50%;
    width: 0; height: 2px;
    background: var(--cyan-dark);
    border-radius: var(--radius-pill);
    transform: translateX(-50%);
    transition: width var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--navy-mid); }
.nav-link:hover::after, .nav-link.active::after { width: 60%; }

.nav-link.nav-cta {
    background: var(--navy);
    color: var(--white);
    padding: .55rem 1.2rem;
    border-radius: var(--radius-pill);
    font-weight: 600;
    margin-left: .5rem;
}
.nav-link.nav-cta::after { display: none; }
.nav-link.nav-cta:hover {
    background: var(--cyan-dark);
    color: var(--white);
}

.hamburger {
    display: none; flex-direction: column;
    gap: 5px; padding: 6px;
    border-radius: var(--radius-sm);
    background: none;
}
.bar {
    width: 24px; height: 2.5px;
    background: var(--navy);
    border-radius: var(--radius-pill);
    transition: transform var(--transition), opacity var(--transition);
}
.hamburger.active .bar:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.active .bar:nth-child(2) { opacity: 0; }
.hamburger.active .bar:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ===== HERO ===== */
.hero {
    height: 100vh; min-height: 640px;
    position: relative;
    display: flex; align-items: center; justify-content: center;
    text-align: center; color: var(--white);
    overflow: hidden;
}

.hero-video {
    position: absolute; inset: 0;
}
.hero-video video {
    width: 100%; height: 100%; object-fit: cover;
}
.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(
        160deg,
        rgba(10,31,68,.88) 0%,
        rgba(10,31,68,.70) 50%,
        rgba(0,153,184,.55) 100%
    );
}

.hero-content {
    position: relative; z-index: 3;
    max-width: 860px;
    padding: 0 24px;
    display: flex; flex-direction: column;
    align-items: center; gap: 1.4rem;
    animation: heroReveal .9s ease both;
}
@keyframes heroReveal {
    from { opacity: 0; transform: translateY(28px); }
    to   { opacity: 1; transform: translateY(0); }
}

.hero-badge {
    display: inline-flex; align-items: center; gap: .5rem;
    background: rgba(0,194,224,.18);
    border: 1px solid rgba(0,194,224,.35);
    color: var(--cyan-light);
    padding: .45rem 1.1rem;
    border-radius: var(--radius-pill);
    font-family: var(--font-display);
    font-size: .82rem; font-weight: 600;
    letter-spacing: .05em;
    text-transform: uppercase;
    backdrop-filter: blur(6px);
}
.hero-badge i { color: var(--accent); }

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 5.5vw, 4rem);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -.02em;
    text-shadow: 0 4px 20px rgba(0,0,0,.25);
}
.hero-highlight {
    color: var(--cyan);
    position: relative;
    display: inline-block;
}
.hero-highlight::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 100%; height: 3px;
    background: var(--cyan);
    border-radius: var(--radius-pill);
    opacity: .5;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    font-weight: 300;
    max-width: 640px;
    line-height: 1.7;
    color: rgba(255,255,255,.88);
}

.hero-ctas {
    display: flex; flex-wrap: wrap;
    gap: .85rem; justify-content: center;
}

.cta-button {
    display: inline-flex; align-items: center; gap: .55rem;
    padding: .9rem 2rem;
    border-radius: var(--radius-pill);
    font-family: var(--font-display);
    font-weight: 600; font-size: .95rem;
    transition: all var(--transition);
    cursor: pointer;
}
.cta-primary {
    background: linear-gradient(135deg, var(--cyan-dark), var(--cyan));
    color: var(--white);
    box-shadow: 0 6px 20px rgba(0,194,224,.35);
}
.cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0,194,224,.45);
}
.cta-whatsapp {
    background: rgba(255,255,255,.12);
    border: 2px solid rgba(255,255,255,.5);
    color: var(--white);
    backdrop-filter: blur(6px);
}
.cta-whatsapp:hover {
    background: #25d366;
    border-color: #25d366;
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(37,211,102,.4);
}

.hero-trust {
    display: flex; align-items: center;
    gap: 1.5rem; flex-wrap: wrap; justify-content: center;
    margin-top: .4rem;
    padding: .9rem 2rem;
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.15);
    border-radius: var(--radius-md);
    backdrop-filter: blur(8px);
}
.trust-item { text-align: center; }
.trust-item strong {
    display: block;
    font-family: var(--font-display);
    font-size: .9rem; font-weight: 700;
    color: var(--white);
}
.trust-item span { font-size: .75rem; color: rgba(255,255,255,.6); }
.trust-divider {
    width: 1px; height: 32px;
    background: rgba(255,255,255,.2);
}

.scroll-indicator {
    position: absolute; bottom: 28px; left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex; flex-direction: column;
    gap: 6px;
    animation: scrollBounce 2s ease-in-out infinite;
}
.scroll-indicator span {
    width: 3px; height: 14px;
    background: rgba(255,255,255,.6);
    border-radius: var(--radius-pill);
    display: block;
}
@keyframes scrollBounce {
    0%,100%{ transform: translateX(-50%) translateY(0); }
    50%    { transform: translateX(-50%) translateY(10px); }
}

/* ===== SECCIÓN HELPERS ===== */
.section-label {
    display: inline-block;
    font-family: var(--font-display);
    font-size: .72rem; font-weight: 700;
    letter-spacing: .18em; text-transform: uppercase;
    color: var(--cyan-dark);
    margin-bottom: .75rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.7rem);
    font-weight: 800;
    color: var(--navy);
    line-height: 1.2;
    text-align: center;
}

.title-underline {
    width: 60px; height: 4px;
    background: linear-gradient(90deg, var(--cyan-dark), var(--cyan));
    border-radius: var(--radius-pill);
    margin: 1rem auto 0;
}

.section-subtitle {
    text-align: center;
    font-size: 1.05rem;
    color: var(--gray-500);
    max-width: 680px;
    margin: 1.5rem auto 3rem;
    line-height: 1.7;
}

/* ===== ABOUT ===== */
.about {
    padding: 110px 0;
    background: var(--white);
}
.about-header { text-align: center; margin-bottom: 64px; }

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 72px;
    align-items: center;
}

.about-text .lead-text {
    font-family: var(--font-display);
    font-size: 1.22rem; font-weight: 600;
    color: var(--navy);
    line-height: 1.7;
    margin-bottom: 1.2rem;
}
.about-text p {
    font-size: 1rem;
    color: var(--text-body);
    margin-bottom: 1rem;
    line-height: 1.8;
}
.about-text strong { color: var(--navy-mid); }

.about-stats {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 16px;
    margin-top: 2.5rem;
}
.stat-item {
    background: var(--off-white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: 1.4rem 1rem;
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition);
}
.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}
.stat-number {
    font-family: var(--font-display);
    font-size: 2.4rem; font-weight: 800;
    color: var(--cyan-dark);
    display: inline-block;
}
.stat-plus {
    font-family: var(--font-display);
    font-size: 1.6rem; font-weight: 700;
    color: var(--cyan-dark);
}
.stat-item p {
    font-size: .82rem;
    color: var(--gray-500);
    margin-top: .3rem;
    font-weight: 500;
}

.image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.image-wrapper img {
    width: 100%; height: 460px;
    object-fit: cover;
    transition: transform .6s ease;
}
.image-wrapper:hover img { transform: scale(1.04); }
.image-overlay {
    position: absolute; bottom: 0; left: 0; right: 0;
    height: 45%;
    background: linear-gradient(to top, rgba(10,31,68,.75), transparent);
}
.image-badge {
    position: absolute; bottom: 20px; left: 20px;
    display: flex; align-items: center; gap: .5rem;
    background: rgba(0,194,224,.9);
    color: var(--white);
    padding: .5rem 1rem;
    border-radius: var(--radius-pill);
    font-family: var(--font-display);
    font-size: .8rem; font-weight: 600;
    backdrop-filter: blur(6px);
}

/* ===== CLIENTS BAND ===== */
.clients-band {
    background: var(--navy);
    padding: 28px 0;
}
.clients-label {
    font-family: var(--font-display);
    font-size: .78rem; font-weight: 600;
    letter-spacing: .12em; text-transform: uppercase;
    color: rgba(255,255,255,.5);
    margin-bottom: 1rem;
    text-align: center;
}
.clients-list {
    display: flex; flex-wrap: wrap;
    gap: .65rem; justify-content: center;
}
.client-chip {
    display: inline-flex; align-items: center; gap: .45rem;
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.15);
    color: rgba(255,255,255,.85);
    padding: .5rem 1.1rem;
    border-radius: var(--radius-pill);
    font-size: .82rem; font-weight: 500;
    transition: background var(--transition), border-color var(--transition);
}
.client-chip:hover {
    background: rgba(0,194,224,.2);
    border-color: rgba(0,194,224,.4);
    color: var(--white);
}
.client-chip i { color: var(--cyan); font-size: .85rem; }

/* ===== SERVICIOS ===== */
.services {
    padding: 110px 0;
    background: var(--off-white);
}
.services > .container > .section-label,
.services > .container > .section-title,
.services > .container > .title-underline { display: block; }

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.4rem;
    margin-top: 3rem;
    margin-bottom: 2.5rem;
}

.service-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: 2.2rem 1.8rem;
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    position: relative;
    overflow: hidden;
    display: flex; flex-direction: column; align-items: center; gap: 1rem;
    color: var(--text-dark);
}
.service-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--navy), var(--cyan));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}
.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.service-card:hover::before { transform: scaleX(1); }

.service-card--featured {
    border-color: var(--cyan-dark);
    box-shadow: 0 4px 20px rgba(0,153,184,.12);
}
.service-badge {
    position: absolute; top: 14px; right: 14px;
    background: linear-gradient(135deg, var(--cyan-dark), var(--cyan));
    color: var(--white);
    padding: .28rem .75rem;
    border-radius: var(--radius-pill);
    font-size: .7rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: .05em;
}

.service-icon {
    width: 72px; height: 72px;
    background: linear-gradient(135deg, var(--navy), var(--navy-mid));
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    transition: background var(--transition), transform var(--transition);
}
.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--cyan-dark), var(--cyan));
    transform: scale(1.08);
}
.service-icon i {
    font-size: 1.7rem; color: var(--white);
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1rem; font-weight: 700;
    color: var(--navy);
    line-height: 1.35;
}
.service-card p {
    font-size: .88rem; color: var(--gray-500);
    line-height: 1.6; flex: 1;
}
.service-link {
    display: inline-flex; align-items: center; gap: .4rem;
    font-family: var(--font-display);
    font-size: .82rem; font-weight: 600;
    color: var(--cyan-dark);
    margin-top: .4rem;
    transition: gap var(--transition);
}
.service-card:hover .service-link { gap: .7rem; }

.services-cta {
    text-align: center;
    margin-top: 1.5rem;
    padding: 2rem;
    background: var(--white);
    border: 1px dashed var(--gray-200);
    border-radius: var(--radius-md);
}
.services-cta p {
    font-size: .95rem; color: var(--gray-500);
    margin-bottom: 1.2rem;
}
.services-cta strong { color: var(--navy); }

.btn-outline {
    display: inline-flex; align-items: center; gap: .5rem;
    padding: .8rem 1.8rem;
    border: 2px solid var(--navy);
    border-radius: var(--radius-pill);
    font-family: var(--font-display);
    font-weight: 600; font-size: .9rem;
    color: var(--navy);
    transition: all var(--transition);
}
.btn-outline:hover {
    background: var(--navy);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ===== POR QUÉ ELEGIRNOS ===== */
.why-us {
    padding: 110px 0;
    background: var(--navy);
    text-align: center;
}
.why-us .section-label { color: var(--cyan); }
.why-us .section-title { color: var(--white); }
.why-us .title-underline { background: linear-gradient(90deg, var(--cyan), var(--cyan-light)); }

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.why-card {
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: var(--radius-md);
    padding: 2.2rem 1.8rem;
    text-align: center;
    transition: background var(--transition), transform var(--transition);
}
.why-card:hover {
    background: rgba(0,194,224,.1);
    border-color: rgba(0,194,224,.3);
    transform: translateY(-6px);
}
.why-icon {
    width: 64px; height: 64px;
    background: linear-gradient(135deg, var(--cyan-dark), var(--cyan));
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 1.2rem;
    font-size: 1.5rem; color: var(--white);
}
.why-card h3 {
    font-family: var(--font-display);
    font-size: 1.05rem; font-weight: 700;
    color: var(--white);
    margin-bottom: .75rem;
}
.why-card p {
    font-size: .9rem;
    color: rgba(255,255,255,.65);
    line-height: 1.7;
}

/* ===== METODOLOGÍA ===== */
.methodology {
    padding: 110px 0;
    background: var(--off-white);
    text-align: center;
}

.methodology-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.4rem;
    margin-top: 3rem;
    counter-reset: steps;
}

.step {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: 2.2rem 1.5rem;
    text-align: center;
    position: relative;
    transition: transform var(--transition), box-shadow var(--transition);
}
.step:hover {
    transform: translateY(-7px);
    box-shadow: var(--shadow-md);
}
.step::before {
    content: '';
    position: absolute; top: -1px; left: 50%;
    transform: translateX(-50%);
    width: 50px; height: 3px;
    background: linear-gradient(90deg, var(--navy), var(--cyan));
    border-radius: var(--radius-pill);
}

.step-number {
    font-family: var(--font-display);
    font-size: 2.4rem; font-weight: 900;
    color: var(--gray-200);
    line-height: 1;
    margin-bottom: 1rem;
    letter-spacing: -.04em;
}
.step:hover .step-number { color: var(--cyan-light); }

.step-content h3 {
    font-family: var(--font-display);
    font-size: 1rem; font-weight: 700;
    color: var(--navy);
    margin-bottom: .6rem;
}
.step-content p {
    font-size: .88rem; color: var(--gray-500); line-height: 1.65;
}

/* ===== BLOG ===== */
.blog {
    padding: 110px 0;
    background: var(--white);
    text-align: center;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.8rem;
    margin-top: 3rem;
    margin-bottom: 2.5rem;
}

.blog-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
    text-align: left;
    display: block;
    color: var(--text-dark);
}
.blog-card:hover {
    transform: translateY(-7px);
    box-shadow: var(--shadow-lg);
}
.blog-image {
    height: 220px; overflow: hidden;
    position: relative;
}
.blog-image img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform .5s ease;
}
.blog-card:hover .blog-image img { transform: scale(1.07); }

.blog-category {
    position: absolute; top: 14px; left: 14px;
    background: var(--navy);
    color: var(--white);
    padding: .3rem .85rem;
    border-radius: var(--radius-pill);
    font-family: var(--font-display);
    font-size: .7rem; font-weight: 600;
    letter-spacing: .05em;
}

.blog-content { padding: 1.6rem; }
.blog-content h3 {
    font-family: var(--font-display);
    font-size: 1.05rem; font-weight: 700;
    color: var(--navy);
    line-height: 1.4;
    margin-bottom: .7rem;
    transition: color var(--transition);
}
.blog-card:hover .blog-content h3 { color: var(--cyan-dark); }
.blog-content p {
    font-size: .88rem; color: var(--gray-500); line-height: 1.65;
    margin-bottom: 1rem;
}
.blog-read-more {
    display: inline-flex; align-items: center; gap: .4rem;
    font-family: var(--font-display);
    font-size: .82rem; font-weight: 600;
    color: var(--cyan-dark);
    transition: gap var(--transition);
}
.blog-card:hover .blog-read-more { gap: .7rem; }

.blog-cta { margin-top: 1rem; }

/* ===== CONTACTO ===== */
.contact {
    padding: 110px 0;
    background: var(--off-white);
    position: relative;
    text-align: center;
    overflow: hidden;
}
.contact-bg-pattern {
    position: absolute; top: 0; right: 0;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(0,194,224,.07) 0%, transparent 70%);
    pointer-events: none;
}

.contact-content {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 3.5rem;
    align-items: start;
    margin-top: 3rem;
    text-align: left;
}

.contact-form-wrapper {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 2.8rem;
    box-shadow: var(--shadow-sm);
}
.contact-form-wrapper h3 {
    font-family: var(--font-display);
    font-size: 1.3rem; font-weight: 700;
    color: var(--navy);
    margin-bottom: 1.8rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--gray-100);
}

.form-row {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
}
.form-group { margin-bottom: 1.2rem; }
.form-group label {
    display: block;
    font-family: var(--font-display);
    font-size: .82rem; font-weight: 600;
    color: var(--navy);
    margin-bottom: .45rem;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: .85rem 1rem;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: .92rem;
    color: var(--text-dark);
    background: var(--white);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--cyan-dark);
    box-shadow: 0 0 0 3px rgba(0,194,224,.12);
}
.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #e53e3e;
    box-shadow: 0 0 0 3px rgba(229,62,62,.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }

.btn-primary {
    width: 100%;
    background: linear-gradient(135deg, var(--navy-mid), var(--navy));
    color: var(--white);
    padding: 1rem;
    border-radius: var(--radius-pill);
    font-family: var(--font-display);
    font-size: .97rem; font-weight: 700;
    cursor: pointer;
    transition: all var(--transition);
    display: flex; align-items: center; justify-content: center; gap: .5rem;
    margin-top: .5rem;
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--cyan-dark), var(--navy-mid));
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(10,31,68,.25);
}

#form-status {
    font-size: .85rem;
    margin-top: .75rem;
    min-height: 1.2rem;
    text-align: center;
    font-family: var(--font-display);
    font-weight: 500;
}
#form-status.success { color: #2d6a4f; }
#form-status.error   { color: #e53e3e; }

.contact-info {
    display: flex; flex-direction: column; gap: 1.4rem;
    position: sticky; top: 100px;
}
.contact-info-header h3 {
    font-family: var(--font-display);
    font-size: 1.15rem; font-weight: 700;
    color: var(--navy);
    margin-bottom: .3rem;
}
.contact-info-header p {
    font-size: .88rem; color: var(--gray-500);
}

.contact-item {
    display: flex; align-items: flex-start; gap: 1rem;
}
.contact-icon {
    width: 48px; height: 48px;
    background: linear-gradient(135deg, var(--navy), var(--navy-mid));
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--white);
    font-size: 1.05rem;
    flex-shrink: 0;
}
.contact-item h4 {
    font-family: var(--font-display);
    font-size: .85rem; font-weight: 700;
    color: var(--navy);
    margin-bottom: .25rem;
}
.contact-item p,
.contact-item a {
    font-size: .88rem; color: var(--gray-500);
    display: block; line-height: 1.7;
    transition: color var(--transition);
}
.contact-item a:hover { color: var(--cyan-dark); }

.contact-social p {
    font-family: var(--font-display);
    font-size: .8rem; font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase; letter-spacing: .08em;
    margin-bottom: .75rem;
}
.social-links { display: flex; gap: .6rem; }
.social-links a {
    width: 40px; height: 40px;
    background: var(--gray-100);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--navy);
    font-size: .9rem;
    transition: all var(--transition);
}
.social-links a:hover {
    background: var(--navy);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.whatsapp-cta-btn {
    display: flex; align-items: center; justify-content: center;
    gap: .6rem;
    background: #25d366;
    color: var(--white);
    padding: 1rem;
    border-radius: var(--radius-pill);
    font-family: var(--font-display);
    font-weight: 700; font-size: .95rem;
    transition: all var(--transition);
    box-shadow: 0 6px 18px rgba(37,211,102,.3);
}
.whatsapp-cta-btn i { font-size: 1.3rem; }
.whatsapp-cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(37,211,102,.45);
}

/* ===== NEWSLETTER ===== */
.newsletter-section {
    background: linear-gradient(135deg, var(--navy-mid), var(--navy));
    padding: 60px 0;
}
.newsletter-inner {
    display: flex;
    align-items: center; justify-content: space-between;
    gap: 2rem; flex-wrap: wrap;
}
.newsletter-text h3 {
    font-family: var(--font-display);
    font-size: 1.4rem; font-weight: 700;
    color: var(--white); margin-bottom: .4rem;
}
.newsletter-text p {
    font-size: .9rem; color: rgba(255,255,255,.65);
}
.newsletter-form {
    display: flex; gap: .6rem;
    flex: 1; max-width: 440px;
}
.newsletter-form input {
    flex: 1;
    padding: .85rem 1.2rem;
    border: none;
    border-radius: var(--radius-pill);
    font-family: var(--font-body);
    font-size: .9rem;
    outline: none;
    background: rgba(255,255,255,.1);
    border: 1.5px solid rgba(255,255,255,.2);
    color: var(--white);
}
.newsletter-form input::placeholder { color: rgba(255,255,255,.5); }
.newsletter-form input:focus { border-color: var(--cyan); }
.newsletter-form button {
    display: inline-flex; align-items: center; gap: .4rem;
    padding: .85rem 1.5rem;
    background: var(--cyan-dark);
    color: var(--white);
    border-radius: var(--radius-pill);
    font-family: var(--font-display);
    font-weight: 600; font-size: .88rem;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    border: none;
}
.newsletter-form button:hover {
    background: var(--cyan);
    transform: translateY(-2px);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--navy);
    color: var(--white);
    padding: 72px 0 0;
}
.footer-content {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 2.5rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand img { height: 50px; margin-bottom: 1rem; }
.footer-brand p {
    font-size: .88rem; color: rgba(255,255,255,.55);
    line-height: 1.7; margin-bottom: 1.4rem;
}
.footer-brand .social-links a {
    background: rgba(255,255,255,.08);
    color: rgba(255,255,255,.7);
}
.footer-brand .social-links a:hover {
    background: var(--cyan-dark);
    color: var(--white);
}

.footer-section h3 {
    font-family: var(--font-display);
    font-size: .82rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: .12em;
    color: var(--cyan);
    margin-bottom: 1.2rem;
}
.footer-section ul li { margin-bottom: .55rem; }
.footer-section ul li a {
    font-size: .88rem;
    color: rgba(255,255,255,.55);
    transition: color var(--transition), padding-left var(--transition);
}
.footer-section ul li a:hover {
    color: var(--white);
    padding-left: 4px;
}
.footer-section address p {
    display: flex; align-items: center; gap: .6rem;
    font-size: .88rem;
    color: rgba(255,255,255,.55);
    margin-bottom: .55rem;
}
.footer-section address i {
    color: var(--cyan); font-size: .85rem; width: 16px;
}
.footer-section address a {
    color: rgba(255,255,255,.55);
    transition: color var(--transition);
}
.footer-section address a:hover { color: var(--white); }

.footer-bottom {
    padding: 1.8rem 0;
    text-align: center;
}
.footer-bottom p {
    font-size: .82rem; color: rgba(255,255,255,.35);
}
.footer-tagline {
    font-family: var(--font-display);
    font-size: .78rem !important;
    color: rgba(0,194,224,.4) !important;
    margin-top: .25rem;
    letter-spacing: .05em;
}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
    position: fixed; bottom: 28px; right: 28px;
    z-index: 999;
    opacity: 0; visibility: hidden;
    transition: all var(--transition);
}
.whatsapp-float.visible { opacity: 1; visibility: visible; }

.whatsapp-float a {
    width: 58px; height: 58px;
    background: #25d366;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--white);
    font-size: 1.7rem;
    box-shadow: 0 6px 20px rgba(37,211,102,.4);
    transition: all var(--transition);
    position: relative;
}
.whatsapp-float a:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(37,211,102,.55);
}
.whatsapp-tooltip {
    position: absolute; right: 70px; top: 50%;
    transform: translateY(-50%);
    background: var(--navy);
    color: var(--white);
    padding: .4rem .85rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-display);
    font-size: .78rem; font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}
.whatsapp-tooltip::after {
    content: '';
    position: absolute; left: 100%; top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: var(--navy);
}
.whatsapp-float a:hover .whatsapp-tooltip { opacity: 1; }

/* ===== SCROLL TOP ===== */
.scroll-top {
    position: fixed; bottom: 28px; left: 28px;
    width: 44px; height: 44px;
    background: var(--navy-light);
    color: var(--white);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: .9rem;
    box-shadow: var(--shadow-md);
    opacity: 0; visibility: hidden;
    transition: all var(--transition);
    z-index: 998;
    cursor: pointer;
    border: none;
}
.scroll-top.visible { opacity: 1; visibility: visible; }
.scroll-top:hover {
    background: var(--cyan-dark);
    transform: translateY(-3px);
}

/* ===== ANIMACIONES ENTRADA ===== */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .7s ease, transform .7s ease;
}
.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .footer-content { grid-template-columns: 1fr 1fr; }
    .about-content  { gap: 48px; }
}

@media (max-width: 900px) {
    .contact-content { grid-template-columns: 1fr; }
    .contact-info { position: static; }
}

@media (max-width: 768px) {
    .hamburger { display: flex; }

    .nav-menu {
        position: fixed; top: 70px; left: -100%;
        width: 100%; height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        align-items: center; justify-content: flex-start;
        gap: 0; padding: 2rem 0;
        transition: left var(--transition);
        overflow-y: auto;
    }
    .nav-menu.active { left: 0; }
    .nav-link { padding: 1rem 2rem; font-size: 1rem; width: 100%; text-align: center; }
    .nav-link.nav-cta { margin: 1rem 2rem; width: calc(100% - 4rem); text-align: center; }

    .hero-title { font-size: 2rem; }
    .hero-trust  { gap: 1rem; padding: .7rem 1.2rem; }
    .trust-divider { display: none; }

    .about-content { grid-template-columns: 1fr; gap: 2.5rem; }
    .image-wrapper img { height: 280px; }
    .about-stats { grid-template-columns: 1fr 1fr 1fr; }

    .methodology-steps { grid-template-columns: 1fr 1fr; }
    .why-grid           { grid-template-columns: 1fr 1fr; }

    .form-row { grid-template-columns: 1fr; }
    .contact-form-wrapper { padding: 1.8rem; }

    .newsletter-inner { flex-direction: column; align-items: flex-start; }
    .newsletter-form  { width: 100%; max-width: 100%; }

    .footer-content { grid-template-columns: 1fr 1fr; gap: 2rem; }
    .footer-bottom  { text-align: center; }
}

@media (max-width: 480px) {
    .services-grid      { grid-template-columns: 1fr; }
    .blog-grid          { grid-template-columns: 1fr; }
    .methodology-steps  { grid-template-columns: 1fr; }
    .why-grid           { grid-template-columns: 1fr; }
    .about-stats        { grid-template-columns: 1fr; }
    .footer-content     { grid-template-columns: 1fr; }
    .hero-ctas          { flex-direction: column; align-items: center; }
    .cta-button         { width: 100%; justify-content: center; }
    .section-title      { font-size: 1.7rem; }
}

/* ===== ACCESIBILIDAD ===== */
:focus-visible {
    outline: 3px solid var(--cyan-dark);
    outline-offset: 3px;
    border-radius: 4px;
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        transition-duration: .01ms !important;
    }
}