/* ===== FLUXI LANDING PAGE STYLES ===== */

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

html, body {
    width: 100%;
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background: #ffffff;
    overflow-x: hidden;
}

/* ===== NAVBAR ===== */
nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 60px;
    background: white;
    border-bottom: 1px solid rgba(102, 126, 234, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.nav-logo-container {
    display: flex;
    align-items: center;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.nav-logo-container:hover {
    transform: scale(1.05);
}

.nav-logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    gap: 40px;
    align-items: center;
    flex: 1;
    margin-left: 60px;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 14px;
    transition: color 0.3s ease;
    cursor: pointer;
}

.nav-menu a:hover {
    color: #667eea;
}

.nav-buttons {
    display: flex;
    gap: 16px;
    align-items: center;
}

.btn-secondary {
    padding: 10px 24px;
    border: 2px solid #667eea;
    background: white;
    color: #667eea;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 13px;
    text-decoration: none;
    display: inline-block;
}

.btn-secondary:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(102, 126, 234, 0.2);
}

.btn-primary {
    padding: 10px 28px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 13px;
    text-decoration: none;
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(102, 126, 234, 0.3);
}

/* ===== HERO SECTION ===== */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 80px 60px 40px;
    background: #ffffff;
}

.hero-features-bar {
    display: flex;
    background: linear-gradient(90deg, #3b4fbf 0%, #667eea 50%, #764ba2 100%);
    border-radius: 50px;
    padding: 20px 40px;
    margin: 60px auto 0;
    max-width: 1200px;
    align-items: center;
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.25);
}

.hero-feature-item {
    flex: 1;
    color: white;
    font-weight: 600;
    font-size: 16px;
    text-align: center;
    line-height: 1.5;
    padding: 0 24px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.hero-feature-item:hover {
    text-shadow: 0 0 10px rgba(107, 205, 255, 1), 0 0 25px rgba(107, 205, 255, 1), 0 0 40px rgba(107, 205, 255, 1), 0 0 60px rgba(107, 205, 255, 1), 0 0 85px rgba(107, 205, 255, 0.95), 0 0 120px rgba(107, 205, 255, 0.8);
    color: #ffffff;
    letter-spacing: 1.5px;
    font-weight: 900;
}

.hero-feature-item:not(:last-child) {
    border-right: 2px solid rgba(255, 255, 255, 0.3);
}

.hero-content h1 {
    font-size: 42px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    color: #1a1a2e;
}

.hero-content p {
    font-size: 16px;
    color: #666;
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-button {
    display: inline-block;
    padding: 14px 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 700;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 14px;
}

.hero-button:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(102, 126, 234, 0.3);
}

.hero-image {
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 8px 32px rgba(102, 126, 234, 0.15));
}

.hero-image video {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: 16px;
    box-shadow: 0 25px 50px rgba(102, 126, 234, 0.25), 0 10px 20px rgba(0, 0, 0, 0.08);
}

/* ===== ABOUT SECTION ===== */
.about {
    padding: 100px 60px;
    background: #ffffff;
    text-align: center;
}

.about h2 {
    font-size: 42px;
    font-weight: 800;
    color: #1a1a2e;
    margin-bottom: 20px;
}

.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-subtitle {
    font-size: 16px;
    color: #999;
    font-weight: 500;
    margin-bottom: 60px;
}

.about-description {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto 80px;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.about-feature-card {
    text-align: left;
    padding: 40px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08) 0%, rgba(118, 75, 162, 0.08) 100%);
    border-radius: 20px;
    border: 1px solid rgba(102, 126, 234, 0.1);
    transition: all 0.3s ease;
}

.about-feature-card:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15) 0%, rgba(118, 75, 162, 0.15) 100%);
    border-color: rgba(102, 126, 234, 0.3);
    transform: translateY(-8px);
}

.about-feature-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: white;
}

.about-feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 12px;
}

.about-feature-card p {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
}

/* ===== SAVINGS SECTION ===== */
.savings-section {
    padding: 100px 60px;
    background: white;
}

.savings-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    justify-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.savings-content {
    max-width: 420px;
    text-align: left;
}

.savings-content h2 {
    font-size: 42px;
    font-weight: 800;
    color: #1a1a2e;
    line-height: 1.2;
    margin-bottom: 24px;
}

.savings-highlight {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.savings-content p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 40px;
}

.savings-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.savings-feature {
    display: flex;
    gap: 12px;
    align-items: center;
    font-size: 15px;
    color: #666;
}

.savings-feature i {
    font-size: 20px;
    color: #667eea;
}

/* Calculator Box */
.calculator-box {
    position: relative;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border: 1px solid rgba(102, 126, 234, 0.2);
    border-radius: 20px;
    padding: 32px;
    max-width: 380px;
}

.calculator-icon-corner {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 32px;
    color: rgba(102, 126, 234, 0.3);
    opacity: 0.8;
}

.calculator-header {
    margin-bottom: 24px;
}

.calculator-header label {
    font-size: 12px;
    font-weight: 700;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.calculator-input {
    display: flex;
    align-items: center;
    background: white;
    border: 2px solid rgba(102, 126, 234, 0.3);
    border-radius: 12px;
    padding: 16px 20px;
    margin-bottom: 30px;
    font-size: 24px;
    font-weight: 700;
    color: #1a1a2e;
}

.calculator-input span {
    color: #667eea;
    margin-right: 8px;
}

.calculator-input input {
    border: none;
    outline: none;
    font-size: 24px;
    font-weight: 700;
    color: #1a1a2e;
    width: 100%;
    background: transparent;
}

.calculator-input input::placeholder {
    color: #ccc;
}

.calculator-results {
    margin-bottom: 30px;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid rgba(102, 126, 234, 0.1);
    font-size: 14px;
    color: #666;
}

.result-item:last-child {
    border-bottom: none;
}

.cost-traditional {
    color: #ff6b6b;
    font-weight: 700;
    font-size: 16px;
}

.cost-fluxi {
    color: #51cf66;
    font-weight: 700;
    font-size: 16px;
}

.savings-total {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    padding: 20px 16px;
    border-radius: 12px;
    margin-top: 16px;
}

.savings-amount {
    color: #51cf66 !important;
    font-weight: 800;
    font-size: 18px;
}

.btn-guarantee {
    width: 100%;
    padding: 16px 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-guarantee:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.3);
}

/* ===== INFRASTRUCTURE SECTION ===== */
.infrastructure {
    padding: 40px 60px 40px;
    background: white;
}

.infrastructure-container {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 100px;
    align-items: center;
    max-width: 1500px;
    margin: 0 auto;
}

.infrastructure-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 700;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.infrastructure-label i {
    font-size: 16px;
    color: #667eea;
}

.infrastructure-content h2 {
    font-size: 48px;
    font-weight: 800;
    color: #1a1a2e;
    line-height: 1.2;
    margin-bottom: 24px;
}

.infrastructure-content p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 40px;
}

.infrastructure-tabs {
    display: flex;
    gap: 16px;
    justify-content: center;
    padding-top: 20px;
    border-top: 1px solid rgba(102, 126, 234, 0.1);
}

.tab-button {
    padding: 12px 28px;
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    color: #999;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-button:hover {
    border-color: #667eea;
    color: #667eea;
}

.tab-button.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.2);
}

/* Diagram Wrapper */
.infrastructure-diagram-wrapper {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    border: 1px solid rgba(102, 126, 234, 0.15);
    border-radius: 20px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

/* Diagram */
.infrastructure-image {
    position: relative;
    height: 520px;
}

.infrastructure-diagram {
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
}

.infrastructure-diagram.active {
    opacity: 1;
    pointer-events: auto;
}

.ec-chart-container {
    width: 100%;
    height: 100%;
}

.diagram-restrictions-before {
    position: absolute;
    right: 20px;
    bottom: 40px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: auto;
    max-width: 200px;
}

.restriction-badge {
    background: rgba(255, 107, 107, 0.08);
    border: 1px solid rgba(255, 107, 107, 0.2);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 11px;
    font-weight: 600;
    color: #ff6b6b;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    white-space: nowrap;
    text-align: center;
}

/* ===== DIAGRAM AFTER (FLUXI) - Clean Rebuild ===== */

/* Override the default flex-row from .infrastructure-diagram */
.diagram-after {
    flex-direction: column !important;
    overflow: visible;
}

/* Main wrapper: vertical flex column, centered */
.after-fluxi-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    padding: 30px 20px;
    width: 100%;
}

/* MERCHANT badges (top & bottom) */
.af-merchant {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 10px 26px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.25);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.af-merchant:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

/* Vertical bidirectional arrows */
.af-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    position: relative;
    height: 48px;
}

.af-arrow::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: repeating-linear-gradient(
        to bottom,
        #51cf66 0px,
        #51cf66 5px,
        transparent 5px,
        transparent 9px
    );
}

.af-arrow::after {
    content: '↓';
    position: absolute;
    bottom: -2px;
    font-size: 14px;
    color: #51cf66;
    line-height: 1;
}

.af-arrow-up::after {
    content: '↑';
    top: -2px;
    bottom: auto;
}

/* ── Orbital Zone: contains FLUXI + 4 benefits in ONE container ── */
.af-orbital-zone {
    position: relative;
    width: 380px;
    height: 380px;
    /* nothing else — children are absolute */
}

/* Rotating dashed rings for visual effect */
.af-ring {
    position: absolute;
    left: 50%;
    top: 50%;
    border-radius: 50%;
    border: 1.5px dashed rgba(81, 207, 102, 0.2);
    pointer-events: none;
}

.af-ring-1 {
    width: 270px;
    height: 270px;
    transform: translate(-50%, -50%);
    animation: ring-spin 18s linear infinite;
}

.af-ring-2 {
    width: 360px;
    height: 360px;
    transform: translate(-50%, -50%);
    animation: ring-spin 28s linear infinite reverse;
    opacity: 0.6;
}

@keyframes ring-spin {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to   { transform: translate(-50%, -50%) rotate(360deg); }
}

/* FLUXI center badge */
.af-fluxi-center {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, #51cf66 0%, #40c057 100%);
    color: white;
    padding: 22px 44px;
    border-radius: 14px;
    font-weight: 700;
    font-size: 20px;
    letter-spacing: 0.5px;
    box-shadow: 0 12px 40px rgba(81, 207, 102, 0.45), inset 0 1px 0 rgba(255,255,255,0.2);
    animation: fluxi-glow 2.5s ease-in-out infinite;
    white-space: nowrap;
}

.af-fluxi-center i {
    font-size: 26px;
}

@keyframes fluxi-glow {
    0%, 100% { box-shadow: 0 12px 40px rgba(81, 207, 102, 0.45), inset 0 1px 0 rgba(255,255,255,0.2); }
    50%       { box-shadow: 0 18px 55px rgba(81, 207, 102, 0.65), inset 0 1px 0 rgba(255,255,255,0.3); }
}

/* ── Orbital benefits ── */
.af-benefit {
    position: absolute;
    left: 50%;
    top: 50%;
    /* Base transform: rotate to angle → move outward → counter-rotate so text stays upright */
    --radius: 148px;
    transform: translate(-50%, -50%)
               rotate(var(--angle))
               translateY(calc(-1 * var(--radius)))
               rotate(calc(-1 * var(--angle)));

    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    width: 118px;
    background: white;
    border: 1.5px solid rgba(81, 207, 102, 0.2);
    border-radius: 12px;
    padding: 14px 10px;
    text-align: center;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.07);
    cursor: pointer;
    z-index: 5;
    transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.af-benefit:hover {
    border-color: rgba(81, 207, 102, 0.6);
    box-shadow: 0 8px 28px rgba(81, 207, 102, 0.3);
    background: rgba(240, 255, 244, 1);
}

.af-benefit-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #51cf66 0%, #40c057 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    box-shadow: 0 3px 10px rgba(81, 207, 102, 0.3);
    flex-shrink: 0;
}

.af-benefit-text strong {
    display: block;
    font-size: 12px;
    color: #1a1a2e;
    font-weight: 700;
    line-height: 1.3;
}

.af-benefit-text span {
    font-size: 10px;
    color: #999;
    line-height: 1.3;
}

/* ===== SOLUTION SECTION ===== */
.solution {
    padding: 40px 60px 40px;
    background: #ffffff;
}

.solution-container {
    max-width: 1400px;
    margin: 0 auto;
}

.solution-header {
    text-align: center;
    margin-bottom: 60px;
}

.solution-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 700;
    color: #667eea;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.solution-label i {
    font-size: 16px;
}

.solution-header h2 {
    font-size: 48px;
    font-weight: 800;
    color: #1a1a2e;
    line-height: 1.2;
}

.solution-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.solution-card {
    background: white;
    border: 2px solid rgba(102, 126, 234, 0.1);
    border-radius: 16px;
    padding: 28px 22px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-color);
}

.solution-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 12px 40px rgba(102, 126, 234, 0.15);
    transform: translateY(-8px);
}

.solution-card-number {
    font-size: 18px;
    font-weight: 800;
    color: var(--accent-color);
    margin-bottom: 16px;
    opacity: 0.6;
}

.solution-card-chart-ec {
    width: 100%;
    height: 140px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.leaflet-map-container {
    width: 100%;
    height: 140px;
    margin-bottom: 16px;
    border-radius: 8px;
    overflow: hidden;
}

.cost-comparison {
    margin-bottom: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.cost-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.cost-label {
    font-size: 9px;
    font-weight: 600;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cost-bar {
    position: relative;
    height: 24px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 6px;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.cost-bar.traditional .cost-fill {
    background: linear-gradient(90deg, #ff6b6b 0%, #ffa94d 100%);
    animation: fillBarSmooth 3.2s ease-in-out forwards 0.3s;
}

.cost-bar.fluxi .cost-fill {
    background: linear-gradient(90deg, #51cf66 0%, #40c057 100%);
    animation: fillBarSmooth 3.2s ease-in-out forwards 0.8s;
}

.cost-fill {
    height: 100%;
    width: 0;
    border-radius: 6px;
    transition: width 0.5s ease;
}

.cost-value {
    position: absolute;
    font-size: 9px;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
    opacity: 0;
    animation: fadeInValue 0.4s ease forwards 3.2s;
}

.traditional-value {
    left: calc(100% - 28px);
}

.fluxi-value {
    left: calc(50% - 18px);
}

@keyframes fillBar {
    from {
        width: 0%;
    }
    to {
        width: var(--width, 100%);
    }
}

@keyframes fillBarSmooth {
    0% {
        width: 0%;
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    100% {
        width: var(--width, 100%);
        opacity: 1;
    }
}

/* Anchos específicos para cada barra */
.traditional-fill {
    --width: 100%;
}

.fluxi-fill {
    --width: 50%;
}

@keyframes fadeInValue {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Animación infinita - Suave y elegante */
.solution-card:nth-child(2) .cost-fill {
    animation: fillBarSmooth 3.2s ease-in-out infinite;
}

.solution-card:nth-child(2) .cost-bar.traditional .cost-fill {
    animation: fillBarSmooth 3.2s ease-in-out infinite 0.3s;
}

.solution-card:nth-child(2) .cost-bar.fluxi .cost-fill {
    animation: fillBarSmooth 3.2s ease-in-out infinite 0.8s;
}

.solution-card:nth-child(2) .cost-value {
    animation: fadeInValue 0.4s ease infinite 1.5s;
}

.solution-card-stats {
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(102, 126, 234, 0.1);
}

.solution-card-stats p {
    font-size: 11px;
    color: #666;
    margin-bottom: 4px;
    font-weight: 500;
}

.solution-card-stats strong {
    font-size: 16px;
    margin-right: 8px;
}

.solution-card-icon {
    font-size: 48px;
    margin-bottom: 16px;
    color: var(--accent-color);
    opacity: 0.2;
}

.solution-card h3 {
    font-size: 12px;
    font-weight: 700;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 1.2px;
    margin-bottom: 10px;
}

.solution-card p {
    font-size: 14px;
    color: #555;
    line-height: 1.5;
    margin-bottom: 16px;
}

.solution-card-savings,
.solution-card-reach {
    padding: 12px;
    background: rgba(102, 126, 234, 0.05);
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    font-size: 12px;
}

/* Responsive */
@media (max-width: 1024px) {
    .solution-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .solution-header h2 {
        font-size: 36px;
    }
}

@media (max-width: 768px) {
    .solution {
        padding: 80px 40px;
    }

    .solution-cards {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .solution-header h2 {
        font-size: 28px;
    }

    .solution-card {
        padding: 30px 25px;
    }
}

/* ===== COMPLIANCE SECTION ===== */
.compliance {
    padding: 40px 60px 100px;
    background: #f8f9ff;
}

.compliance-card {
    max-width: 1000px;
    margin: 0 auto;
    padding: 70px;
    background: white;
    border: 2px solid #667eea;
    border-radius: 28px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.12);
}

.compliance-card h2 {
    font-size: 42px;
    font-weight: 800;
    color: #1a1a2e;
    margin-bottom: 8px;
}

.compliance-card-subtitle {
    font-size: 20px;
    color: #667eea;
    font-weight: 700;
    margin-bottom: 8px;
}

.compliance-card-description {
    font-size: 18px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 5px;
    text-align: center;
}

.compliance-card-description:last-of-type {
    margin-bottom: 30px;
}

.compliance-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 45px;
    text-align: center;
}

.compliance-feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    text-align: center;
}

.compliance-feature-title-group {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 4px;
}

.compliance-feature-dot {
    width: 12px;
    height: 12px;
    background: #667eea;
    border-radius: 50%;
    flex-shrink: 0;
}

.compliance-feature-title {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a2e;
    display: block;
    margin: 0;
}

.compliance-feature-subtitle {
    font-size: 16px;
    color: #666;
    line-height: 1.5;
    margin: 0;
    display: block;
}

.compliance-feature p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}

/* ===== SHOWCASE SECTION ===== */
.showcase {
    padding: 80px 60px 40px;
    background: white;
}

.showcase-content-center {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.showcase-content-center h2 {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 40px;
    color: #1a1a2e;
}

.showcase-highlight {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.1em;
}

.showcase-content-center p {
    font-size: 20px;
    color: #666;
    line-height: 1.9;
}

.showcase-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto 60px;
}

.showcase-content h2 {
    font-size: 42px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    color: #1a1a2e;
}

.showcase-content p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 40px;
}

.showcase-button {
    display: inline-block;
    padding: 14px 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 700;
    transition: all 0.3s ease;
    font-size: 14px;
}

.showcase-button:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(102, 126, 234, 0.3);
}

.showcase-image {
    text-align: center;
}

.showcase-image img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 8px 32px rgba(102, 126, 234, 0.15));
}

.showcase-features-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.showcase-feature-item {
    padding: 24px;
    color: #666;
    font-weight: 600;
    font-size: 15px;
    text-align: center;
    line-height: 1.6;
}

/* ===== FOOTER ===== */
.footer {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 50%, #51cf66 100%);
    color: #fff;
    padding: 15px 60px 8px 60px;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 15px;
    max-width: 1400px;
    margin: 0 auto 8px;
    align-items: flex-start;
}

.footer-brand {
    display: flex;
    flex-direction: column;
}

.footer-logo-img {
    height: 180px;
    width: auto;
    margin-bottom: 0px;
    display: block;
    object-fit: contain;
}

.footer-description {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
    margin-bottom: 8px;
}

.footer-socials {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.social-link {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 20px;
}

.social-link:hover {
    background: #fff;
    color: #764ba2;
    transform: translateY(-3px);
}

.footer-column h4 {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-column a {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    margin-bottom: 14px;
    transition: all 0.3s ease;
}

.footer-column a:hover {
    color: #fff;
    gap: 12px;
}

.footer-column a i {
    font-size: 18px;
}

.footer-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.2);
    margin-bottom: 5px;
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.8);
    padding-top: 2px;
}

.footer-legal-links {
    display: flex;
    gap: 30px;
}

.footer-legal-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-legal-links a:hover {
    color: #fff;
}

.footer-credit {
    text-align: right;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 2px;
}

.footer-credit a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.footer-credit a:hover {
    color: #fff;
}

/* ===== HAMBURGER MENU ===== */
.hamburger-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    margin: 0;
    z-index: 1002;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
}

.hamburger-btn span {
    width: 24px;
    height: 2.5px;
    background: #333;
    border-radius: 2px;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    display: block;
    transform-origin: center;
}

.hamburger-btn.active span:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
}

.hamburger-btn.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger-btn.active span:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
}

/* OVERLAY PARA CERRAR MENU */
.nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.nav-overlay.open {
    display: block;
    opacity: 1;
    pointer-events: auto;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    nav {
        padding: 16px 40px;
    }

    .nav-menu {
        margin-left: 40px;
        gap: 30px;
    }

    .hero {
        grid-template-columns: 1fr;
        padding: 60px 40px;
        gap: 40px;
    }

    .about-features {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .about-feature-card {
        text-align: center;
        padding: 30px;
    }

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

    .showcase-content-center h2 {
        font-size: 36px;
    }

    .showcase-content-center p {
        font-size: 16px;
    }

    .showcase-features-bar {
        grid-template-columns: repeat(2, 1fr);
    }

    .compliance-features {
        grid-template-columns: 1fr;
    }

    .savings-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .infrastructure-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .infrastructure-content h2 {
        font-size: 36px;
    }

    .infrastructure-image {
        height: 420px;
    }

    .af-orbital-zone {
        width: 320px;
        height: 320px;
    }

    .af-ring-1 { width: 230px; height: 230px; }
    .af-ring-2 { width: 310px; height: 310px; }

    .af-benefit {
        width: 108px;
        --radius: 126px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    /* ===== NAVBAR ===== */
    nav {
        padding: 12px 16px;
        position: sticky;
        top: 0;
        z-index: 1001;
        background: white;
        border-bottom: 1px solid rgba(102, 126, 234, 0.1);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        display: flex;
        justify-content: space-between;
        align-items: center;
        height: 60px;
        overflow: visible;
    }

    .nav-logo-img {
        height: 36px;
    }

    .hamburger-btn {
        display: flex;
    }

    /* Ocultar nav-menu y nav-buttons por defecto en móvil */
    .nav-menu {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        z-index: 1000;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
        margin: 0;
        padding: 0;
    }

    .nav-menu.open {
        display: flex;
    }

    .nav-menu a {
        padding: 16px 24px;
        display: block;
        border-bottom: 1px solid rgba(0, 0, 0, 0.06);
        color: #333;
        text-decoration: none;
        font-weight: 500;
        font-size: 15px;
        transition: background 0.2s ease;
    }

    .nav-menu a:hover {
        background: rgba(102, 126, 234, 0.08);
        color: #667eea;
    }

    /* Botones clonados dentro del menú en móvil */
    .mobile-buttons {
        display: flex;
        flex-direction: column;
        gap: 8px;
        padding: 16px 24px;
        border-top: 1px solid rgba(0, 0, 0, 0.06);
        background: #fafbff;
    }

    .mobile-buttons .btn-primary {
        width: 100%;
        text-align: center;
        padding: 12px;
        border-radius: 8px;
        font-size: 14px;
    }

    .mobile-buttons .btn-secondary {
        width: 100%;
        text-align: center;
        padding: 12px;
        border-radius: 8px;
        font-size: 14px;
    }

    /* Ocultar el nav-buttons original (JS lo oculta, pero por seguridad) */
    .nav-buttons {
        display: none !important;
    }

    /* ===== HERO SECTION ===== */
    .hero {
        padding: 40px 20px;
        grid-template-columns: 1fr;
    }

    .hero-content h1 {
        font-size: 28px;
        line-height: 1.3;
    }

    .hero-content p {
        font-size: 14px;
    }

    .hero-image {
        margin-top: 20px;
    }

    .hero-features-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        margin: 30px 20px 0 !important;
        padding: 16px;
        border-radius: 16px;
    }

    .hero-feature-item {
        padding: 12px;
        font-size: 12px;
        border: none !important;
    }

    /* ===== ABOUT SECTION ===== */
    .about {
        padding: 40px 20px;
    }

    .about h2 {
        font-size: 28px;
    }

    .about-features {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .about-feature-card {
        padding: 20px;
    }

    /* ===== SAVINGS SECTION ===== */
    .savings-section {
        padding: 40px 20px;
    }

    .savings-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .savings-content h2 {
        font-size: 26px;
    }

    .calculator-box {
        padding: 24px;
    }

    .calculator-input {
        font-size: 18px;
    }

    /* ===== INFRASTRUCTURE SECTION ===== */
    .infrastructure {
        padding: 40px 20px;
    }

    .infrastructure-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .infrastructure-content h2 {
        font-size: 26px;
    }

    .infrastructure-image {
        height: 350px;
    }

    .infrastructure-tabs {
        gap: 8px;
        margin-top: 20px;
    }

    .tab-button {
        padding: 10px 16px;
        font-size: 12px;
    }

    .af-orbital-zone {
        width: 240px;
        height: 240px;
    }

    .af-ring-1 { width: 170px; height: 170px; }
    .af-ring-2 { width: 230px; height: 230px; }

    .af-benefit {
        width: 90px;
        --radius: 100px;
        padding: 8px 6px;
    }

    .af-benefit-text strong { font-size: 10px; }
    .af-benefit-text span   { font-size: 8px; }

    .af-fluxi-center {
        padding: 16px 28px;
        font-size: 15px;
    }

    /* ===== SOLUTION SECTION ===== */
    .solution {
        padding: 40px 20px;
    }

    .solution-header h2 {
        font-size: 26px;
    }

    .solution-cards {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .solution-card {
        padding: 24px;
    }

    .solution-card-number {
        font-size: 32px;
    }

    /* ===== SHOWCASE SECTION ===== */
    .showcase {
        padding: 40px 20px;
    }

    .showcase-content-center h2 {
        font-size: 26px;
    }

    .showcase-content-center p {
        font-size: 14px;
    }

    .showcase-features-bar {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    /* ===== COMPLIANCE SECTION ===== */
    .compliance {
        padding: 40px 20px;
    }

    .compliance-card {
        padding: 24px;
    }

    .compliance-card h2 {
        font-size: 26px;
    }

    .compliance-features {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    /* ===== FOOTER ===== */
    footer {
        padding: 40px 20px;
    }

    .footer-top {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .footer-logo-img {
        height: 120px;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
        font-size: 12px;
    }

    .footer-legal-links {
        flex-direction: column;
        gap: 8px;
    }

    .footer-credit {
        font-size: 11px;
    }
}

@media (max-width: 480px) {
    nav {
        padding: 12px 16px;
    }

    .nav-logo-img {
        height: 40px;
    }

    .hamburger-btn span {
        width: 24px;
        height: 2.5px;
    }

    .hero {
        padding: 30px 16px;
    }

    .hero-content h1 {
        font-size: 22px;
    }

    .hero-content p {
        font-size: 13px;
    }

    .hero-button {
        padding: 10px 20px;
        font-size: 13px;
    }

    .hero-features-bar {
        grid-template-columns: 1fr;
        gap: 10px;
        margin: 20px 16px 0 !important;
        padding: 12px;
    }

    .hero-feature-item {
        padding: 10px;
        font-size: 11px;
    }

    .about {
        padding: 30px 16px;
    }

    .about h2,
    .showcase-content-center h2,
    .infrastructure-content h2,
    .solution-header h2,
    .compliance-card h2,
    .savings-content h2 {
        font-size: 22px;
    }

    .about-feature-card {
        padding: 16px;
    }

    .savings-container {
        gap: 20px;
    }

    .calculator-box {
        padding: 20px;
    }

    .result-item {
        padding: 12px;
        font-size: 12px;
    }

    .solution-cards {
        gap: 16px;
    }

    .solution-card {
        padding: 20px;
    }

    .solution-card-number {
        font-size: 28px;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .footer-logo-img {
        height: 100px;
    }

    .footer-socials {
        gap: 12px;
    }

    .social-link {
        font-size: 20px;
    }

    .footer-brand {
        grid-column: auto;
    }

    .footer-column {
        text-align: center;
    }

    .footer-column h4 {
        font-size: 14px;
    }

    .footer-column a {
        font-size: 12px;
    }

    .footer-description {
        font-size: 12px;
    }

    .footer-bottom {
        gap: 10px;
        padding-top: 10px;
        border-top: 1px solid rgba(0, 0, 0, 0.1);
    }

    .footer-bottom p {
        font-size: 11px;
    }

    .footer-credit {
        font-size: 10px;
        padding-top: 10px;
    }
}