/* GoTogether - Consultoría y Transformación Digital */
:root {
    --gt-primary: #004aad;
    --gt-secondary: #00c6ff;
    --gt-dark-navy: #061121;
    --gt-text: #333;
    --gt-bg-light: #f8f9fa;
    --gt-color-empatia: #9b59b6;
    --gt-color-definicion: #34495e;
    --gt-color-ideas: #1abc9c;
    --gt-color-prototipo: #27ae60;
}

/* Navbar */
.gt-navbar { background-color: rgba(255, 255, 255, 0.98); box-shadow: 0 2px 10px rgba(0,0,0,0.1); position: fixed; top: 0; width: 100%; z-index: 100; padding: 1rem 0; }
.gt-navbar .container { display: flex; justify-content: space-between; align-items: center; max-width: 1100px; margin: 0 auto; padding: 0 2rem; }
.gt-nav-brand { text-decoration: none; display: flex; align-items: center; }
.gt-nav-logo { height: 60px; }
.gt-footer-logo { height: 80px; margin-bottom: 1rem; }
.gt-nav-links { display: flex; align-items: center; gap: 1.5rem; }
.gt-nav-links a { color: var(--gt-text); text-decoration: none; font-size: 0.9rem; transition: color 0.2s; }
.gt-nav-links a:hover { color: var(--gt-primary); }
.gt-nav-links .gt-nav-active { font-weight: 700; color: var(--gt-primary); }

/* Hero */
.gt-hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: var(--gt-dark-navy);
    color: white;
    overflow: hidden;
    padding: 120px 2rem 80px;
}

.gt-hero::before {
    content: "";
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.25;
    z-index: 1;
}

.gt-hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(0, 74, 173, 0.85) 0%, rgba(6, 17, 33, 0.9) 100%);
    z-index: 2;
}

.gt-hero-content {
    position: relative;
    z-index: 10;
    max-width: 850px;
    margin: 0 auto;
}

.gt-hero h1 {
    font-weight: 800;
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 25px;
    line-height: 1.1;
}

.gt-hero p {
    font-size: 1.25rem;
    font-weight: 300;
    margin-bottom: 40px;
    opacity: 0.9;
}

.gt-btn-method {
    background-color: var(--gt-secondary);
    color: var(--gt-dark-navy);
    padding: 16px 40px;
    border-radius: 50px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    display: inline-block;
    box-shadow: 0 10px 20px rgba(0, 198, 255, 0.3);
    transition: all 0.3s ease;
}

.gt-btn-method:hover {
    background-color: white;
    color: var(--gt-primary);
    transform: translateY(-5px);
}

/* Propuesta de Valor */
.gt-promises { padding: 100px 2rem; background: var(--gt-bg-light); }
.gt-promises-header { text-align: center; margin-bottom: 3rem; }
.gt-promises-header h2 { font-weight: 700; font-size: 2rem; color: var(--gt-dark-navy); margin: 0 0 0.5rem; }
.gt-promises-header p { color: #6c757d; }

.gt-promises-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.gt-promise-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border-bottom: 4px solid var(--gt-secondary);
    transition: 0.3s ease;
    text-align: center;
}

.gt-promise-card:hover { transform: translateY(-10px); }

.gt-promise-icon {
    font-size: 3.5rem;
    background: linear-gradient(var(--gt-primary), var(--gt-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 25px;
    display: block;
}

.gt-promise-card h4 { font-weight: 700; margin: 0 0 0.75rem; color: var(--gt-dark-navy); }
.gt-promise-card p { color: #6c757d; margin: 0; font-size: 0.95rem; line-height: 1.6; }

/* Fases */
.gt-phases {
    position: relative;
    background: linear-gradient(135deg, #f0f4f8 0%, #e0eafc 50%, #f0f4f8 100%);
    background-size: 200% 200%;
    animation: gtGradientShift 15s ease infinite;
    overflow: hidden;
    padding: 100px 2rem;
}

@keyframes gtGradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.gt-animated-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    z-index: 0;
    animation: gtFloatShape 12s infinite alternate ease-in-out;
    pointer-events: none;
}

.gt-shape-1 { width: 450px; height: 450px; background: var(--gt-secondary); top: -5%; left: -10%; }
.gt-shape-2 { width: 600px; height: 600px; background: rgba(0, 74, 173, 0.4); top: 35%; right: -15%; animation-delay: -4s; }
.gt-shape-3 { width: 500px; height: 500px; background: #00c6ff; bottom: -10%; left: 10%; animation-delay: -8s; }

@keyframes gtFloatShape {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(60px, 80px) scale(1.1); }
}

.gt-phase-box {
    position: relative;
    z-index: 1;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 30px;
    padding: 60px 50px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.05);
    max-width: 1100px;
    margin: 0 auto 2.5rem;
}

.gt-phase-box:last-child { margin-bottom: 0; }

.gt-phase-row {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.gt-phase-row.reverse { flex-direction: row-reverse; }

.gt-phase-img-wrap { flex: 1; min-width: 0; }
.gt-phase-img {
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.12);
    width: 100%;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.gt-phase-img:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.18);
}

.gt-phase-text { flex: 1; min-width: 0; }

.gt-phase-badge {
    display: inline-block;
    padding: 8px 24px;
    background: var(--gt-primary);
    color: white;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 25px;
    box-shadow: 0 8px 20px rgba(0, 74, 173, 0.25);
}

.gt-phase-badge.alt { background: var(--gt-secondary); color: #000; }

.gt-phase-text h2 {
    font-weight: 800;
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    color: var(--gt-dark-navy);
    line-height: 1.1;
    margin: 0 0 0.5rem;
}

.gt-phase-text h2 small {
    display: block;
    font-size: 1.1rem;
    font-weight: 400;
    color: #6c757d;
    margin-top: 10px;
}

.gt-phase-text p { font-size: 1.05rem; line-height: 1.8; color: #4a5568; margin-bottom: 15px; }
.gt-phase-text p strong { color: var(--gt-primary); font-weight: 700; }

.gt-phase-alert {
    background-color: rgba(0, 198, 255, 0.08);
    border-left: 4px solid var(--gt-secondary);
    color: var(--gt-dark-navy);
    font-size: 1rem;
    border-radius: 0 12px 12px 0;
    padding: 20px;
    margin-top: 1rem;
}

.gt-tech-list { list-style: none; padding: 0; margin: 1rem 0 0; }
.gt-tech-list li { margin-bottom: 15px; display: flex; align-items: flex-start; font-size: 0.95rem; color: #4a5568; }
.gt-tech-list li strong { color: var(--gt-dark-navy); }

/* Metodología page */
.gt-metod-header {
    padding: 140px 2rem 80px;
    background: linear-gradient(135deg, #0f172a 0%, var(--gt-primary) 100%);
    color: white;
    text-align: center;
}

.gt-metod-header h1 { font-weight: 800; font-size: clamp(2rem, 4vw, 3rem); margin: 0 0 0.75rem; }
.gt-metod-header p { opacity: 0.75; font-size: 1.15rem; }

.gt-method-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 80px 2rem;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
}

.gt-pole-card {
    background: white;
    padding: 40px 30px;
    border-radius: 35px;
    text-align: center;
    width: 280px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.05);
    border: 2px solid transparent;
    transition: 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 350px;
}

.gt-pole-card:hover { border-color: var(--gt-secondary); transform: translateY(-5px); }
.gt-pole-icon { font-size: 3.5rem; margin-bottom: 20px; }
.gt-pole-title { font-weight: 800; text-transform: uppercase; color: var(--gt-primary); letter-spacing: 1px; margin-bottom: 15px; }

.gt-engine {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    max-width: 750px;
    padding: 20px;
}

.gt-core-hub {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 140px; height: 140px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    border: 6px solid var(--gt-primary);
    box-shadow: 0 0 40px rgba(0, 74, 173, 0.2);
    font-size: 3.5rem;
    color: var(--gt-primary);
}

.gt-ring-bg {
    position: absolute;
    top: -10px; left: -10px; right: -10px; bottom: -10px;
    border: 2px dashed var(--gt-secondary);
    border-radius: 50%;
    opacity: 0.2;
    animation: gtRotateFull 60s linear infinite;
}

@keyframes gtRotateFull { 100% { transform: rotate(360deg); } }

.gt-phase-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 25px;
    padding: 25px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.03);
    border-top: 8px solid;
    transition: 0.4s;
}

.gt-phase-card:hover { transform: translateY(-8px); box-shadow: 0 15px 30px rgba(0,0,0,0.1); }
.gt-phase-card h4 { font-weight: 800; text-transform: uppercase; font-size: 1rem; margin: 0 0 15px; }
.gt-phase-card ul { list-style: none; padding: 0; font-size: 0.8rem; color: #475569; margin: 0; }
.gt-phase-card li { margin-bottom: 5px; position: relative; padding-left: 15px; }
.gt-phase-card li::before { content: '•'; position: absolute; left: 0; font-weight: 900; }

.gt-f-empatia { border-top-color: var(--gt-color-empatia); }
.gt-f-empatia h4 { color: var(--gt-color-empatia); }
.gt-f-definicion { border-top-color: var(--gt-color-definicion); }
.gt-f-definicion h4 { color: var(--gt-color-definicion); }
.gt-f-ideas { border-top-color: var(--gt-color-ideas); }
.gt-f-ideas h4 { color: var(--gt-color-ideas); }
.gt-f-prototipo { border-top-color: var(--gt-color-prototipo); }
.gt-f-prototipo h4 { color: var(--gt-color-prototipo); }

.gt-flow-arrow { font-size: 2.5rem; color: var(--gt-secondary); opacity: 0.5; }

.gt-platform-footer {
    background: var(--gt-primary);
    color: white;
    padding: 25px;
    border-radius: 50px;
    text-align: center;
    margin-top: 60px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 4px;
    box-shadow: 0 15px 35px rgba(0, 74, 173, 0.3);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
.gt-footer { background: #0b1320; color: white; padding: 60px 2rem; text-align: center; }
.gt-footer h3 { font-weight: 700; margin: 0 0 1rem; }
.gt-footer p { margin: 0; color: rgba(255,255,255,0.7); }
.gt-footer .gt-copy { font-size: 0.85rem; margin-top: 2rem; color: rgba(255,255,255,0.4); }
.gt-footer-brand { color: var(--gt-secondary); text-decoration: none; font-weight: 600; }
.gt-footer-brand:hover { text-decoration: underline; }

/* Back button */
.gt-btn-back {
    display: inline-block;
    padding: 8px 20px;
    border: 2px solid var(--gt-dark-navy);
    border-radius: 50px;
    color: var(--gt-dark-navy);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.85rem;
    transition: 0.2s;
}

.gt-btn-back:hover { background: var(--gt-dark-navy); color: white; }

/* Hamburger toggle */
.gt-nav-toggle-check { display: none; }
.gt-nav-toggle-btn { display: none; cursor: pointer; flex-direction: column; gap: 5px; z-index: 110; }
.gt-nav-toggle-btn span { display: block; width: 24px; height: 2px; background: var(--gt-text); border-radius: 2px; transition: 0.3s; }

/* Responsive - Tablet */
@media (max-width: 1024px) {
    .gt-promises-grid { grid-template-columns: 1fr; max-width: 500px; }
    .gt-phase-row, .gt-phase-row.reverse { flex-direction: column; }
    .gt-phase-box { padding: 40px 25px; }
    .gt-method-flow { flex-direction: column; }
    .gt-engine { grid-template-columns: 1fr; max-width: 500px; }
    .gt-core-hub { display: none; }
    .gt-pole-card { width: 100%; max-width: 500px; min-height: auto; }
    .gt-flow-arrow { transform: rotate(90deg); margin: 10px 0; }
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    .gt-nav-toggle-btn { display: flex; }
    .gt-nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255,255,255,0.98);
        flex-direction: column;
        padding: 1rem 2rem;
        gap: 0.5rem;
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    }
    .gt-nav-toggle-check:checked ~ .gt-nav-links { display: flex; }
    .gt-nav-toggle-check:checked ~ .gt-nav-toggle-btn span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .gt-nav-toggle-check:checked ~ .gt-nav-toggle-btn span:nth-child(2) { opacity: 0; }
    .gt-nav-toggle-check:checked ~ .gt-nav-toggle-btn span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
    .gt-hero { min-height: 70vh; padding: 100px 1.25rem 60px; }
    .gt-hero p { font-size: 1rem; }
    .gt-btn-method { padding: 12px 28px; font-size: 0.85rem; }
    .gt-promises { padding: 60px 1.25rem; }
    .gt-promises-header h2 { font-size: 1.5rem; }
    .gt-phases { padding: 60px 1rem; }
    .gt-phase-box { padding: 25px 18px; border-radius: 20px; }
    .gt-phase-alert { padding: 14px; font-size: 0.9rem; }
    .gt-tech-list li { font-size: 0.85rem; }
    .gt-metod-header { padding: 110px 1.25rem 50px; }
    .gt-metod-header h1 { font-size: 1.75rem; }
    .gt-platform-footer { font-size: 0.85rem; letter-spacing: 2px; padding: 18px; border-radius: 30px; }
    .gt-nav-logo { height: 45px; }
    .gt-footer-logo { height: 60px; }
}