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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', sans-serif;
    background: #05050f;
    color: #e8ecf1;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* ========== VARIABLES ========== */
:root {
    --neon: #00ff88;
    --neon-dim: rgba(0, 255, 136, 0.15);
    --neon-glow: rgba(0, 255, 136, 0.4);
    --dark: #05050f;
    --dark-card: rgba(15, 15, 30, 0.8);
    --gray: #8892a4;
    --white: #ffffff;
}

/* ========== ANIMATIONS ========== */
@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) scale(1);
        opacity: 0.3;
    }

    50% {
        transform: translateY(-30px) scale(1.2);
        opacity: 0.7;
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

@keyframes glow {

    0%,
    100% {
        box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
    }

    50% {
        box-shadow: 0 0 40px rgba(0, 255, 136, 0.6), 0 0 80px rgba(0, 255, 136, 0.15);
    }
}

@keyframes typing {

    0%,
    100% {
        opacity: 0.3;
        transform: scale(0.8);
    }

    50% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ========== GRADIENT TEXT ========== */
.gradient-text {
    background: linear-gradient(135deg, var(--neon), #00bbff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========== PARTICLES ========== */
.particles {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: var(--neon);
    opacity: 0.3;
    animation: float 5s ease-in-out infinite;
}

/* ========== NAV ========== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 16px 0;
    transition: all 0.4s ease;
    border-bottom: 1px solid transparent;
}

.nav.scrolled {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(5, 5, 15, 0.85);
    border-bottom-color: rgba(255, 255, 255, 0.05);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-icon {
    font-size: 1.8rem;
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--neon), #00ccff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.nav-cta {
    padding: 10px 24px;
    background: linear-gradient(135deg, var(--neon), #00ccaa);
    color: var(--dark);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--neon-glow);
}

/* ========== HERO ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 24px 80px;
    max-width: 1200px;
    margin: 0 auto;
    z-index: 1;
}

.hero-glow {
    position: absolute;
    top: 10%;
    left: 20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--neon-dim) 0%, transparent 70%);
    filter: blur(80px);
    pointer-events: none;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 60px;
    width: 100%;
}

.hero-left {
    flex: 1;
    min-width: 320px;
    z-index: 2;
    animation: fadeSlideUp 0.8s ease-out;
}

.hero-right {
    flex: 1;
    min-width: 320px;
    z-index: 2;
    animation: fadeSlideUp 1s ease-out 0.2s both;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: var(--neon-dim);
    border: 1px solid var(--neon-glow);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--neon);
    margin-bottom: 28px;
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--neon);
    animation: pulse 2s ease-in-out infinite;
}

.hero-title {
    font-size: clamp(2.8rem, 5.5vw, 4.5rem);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -2px;
    margin-bottom: 24px;
    color: var(--white);
}

.hero-sub {
    font-size: 1.15rem;
    line-height: 1.6;
    color: var(--gray);
    margin-bottom: 36px;
    max-width: 480px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    background: linear-gradient(135deg, var(--neon), #00ccaa);
    color: var(--dark);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.05rem;
    animation: glow 3s ease-in-out infinite;
    transition: all 0.3s;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px var(--neon-glow);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    padding: 16px 32px;
    background: transparent;
    color: var(--white);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.3s;
}

.btn-secondary:hover {
    border-color: var(--neon);
    color: var(--neon);
    background: var(--neon-dim);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.hero-stat-num {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--white);
    font-family: 'JetBrains Mono', monospace;
}

.hero-stat-label {
    font-size: 0.8rem;
    color: var(--gray);
}

.hero-stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
}

/* ========== CHAT DEMO ========== */
.chat-container {
    background: #0a0a1a;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    overflow: hidden;
    max-width: 400px;
    margin: 0 auto;
    box-shadow: 0 20px 80px rgba(0, 0, 0, 0.5), 0 0 40px var(--neon-dim);
}

.chat-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.chat-header-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--neon);
    animation: pulse 2s infinite;
}

.chat-header-name {
    font-weight: 700;
    color: var(--white);
    font-size: 0.95rem;
}

.chat-header-status {
    font-size: 0.75rem;
    color: var(--neon);
    margin-left: auto;
}

.chat-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-height: 360px;
    max-height: 420px;
    overflow-y: auto;
}

.chat-bubble {
    padding: 10px 14px;
    border-radius: 16px;
    max-width: 85%;
    line-height: 1.4;
    font-size: 0.85rem;
    white-space: pre-line;
}

.chat-user {
    align-self: flex-end;
    background: linear-gradient(135deg, #1a5c3a, #0d3d25);
    border-bottom-right-radius: 4px;
    color: #e0f0e8;
    animation: slideInRight 0.4s ease-out;
}

.chat-bot {
    align-self: flex-start;
    background: rgba(255, 255, 255, 0.06);
    border-bottom-left-radius: 4px;
    color: #d0d8e0;
    animation: slideInLeft 0.4s ease-out;
}

.typing {
    display: flex;
    gap: 6px;
    padding: 8px 14px;
    align-self: flex-start;
}

.typing-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--neon);
    animation: typing 1.2s ease-in-out infinite;
}

.typing-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
    animation-delay: 0.4s;
}

/* ========== SECTIONS ========== */
.section {
    padding: 100px 24px;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.section-dark {
    background: rgba(0, 0, 0, 0.3);
    max-width: 100%;
    padding-left: 24px;
    padding-right: 24px;
}

.section-dark .plans-grid {
    max-width: 1200px;
    margin: 0 auto;
}

.section-cta {
    background: linear-gradient(180deg, transparent, rgba(0, 255, 136, 0.03));
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    text-align: center;
    margin-bottom: 16px;
    color: var(--white);
    letter-spacing: -1px;
}

.section-sub {
    text-align: center;
    color: var(--gray);
    font-size: 1.1rem;
    margin-bottom: 60px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

/* ========== FEATURES ========== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--dark-card);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 20px;
    padding: 32px;
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateY(30px);
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    border-color: var(--neon-glow);
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 30px var(--neon-dim);
}

.feature-icon {
    font-size: 2.2rem;
    margin-bottom: 16px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--neon-dim);
    border-radius: 16px;
}

.feature-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--white);
}

.feature-desc {
    color: var(--gray);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* ========== PLANS ========== */
.plans-grid {
    display: flex;
    gap: 32px;
    justify-content: center;
    flex-wrap: wrap;
}

.plan-card {
    background: var(--dark-card);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 24px;
    padding: 40px 32px;
    flex: 1 1 340px;
    max-width: 380px;
    position: relative;
    transition: all 0.4s ease;
}

.plan-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 255, 255, 0.12);
}

.plan-popular {
    border: 2px solid var(--neon);
    box-shadow: 0 0 40px var(--neon-dim);
    transform: scale(1.03);
}

.plan-popular:hover {
    transform: scale(1.03) translateY(-6px);
    box-shadow: 0 0 60px var(--neon-dim), 0 12px 40px rgba(0, 0, 0, 0.4);
}

.plan-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--neon), #00ccaa);
    color: var(--dark);
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 800;
    white-space: nowrap;
}

.plan-emoji {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.plan-name {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 8px;
}

.plan-price {
    display: flex;
    align-items: baseline;
    gap: 2px;
    margin-bottom: 28px;
}

.plan-currency {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--neon);
}

.plan-amount {
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--white);
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: -2px;
}

.plan-period {
    font-size: 1rem;
    color: var(--gray);
    margin-left: 4px;
}

.plan-features {
    list-style: none;
    padding: 0;
    margin-bottom: 32px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.plan-features li {
    color: #c0c8d0;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.plan-check {
    color: var(--neon);
    font-weight: 700;
    font-size: 1.1rem;
}

.plan-button {
    display: block;
    text-align: center;
    padding: 14px 28px;
    background: linear-gradient(135deg, var(--neon), #00ccaa);
    color: var(--dark);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s;
}

.plan-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--neon-glow);
}

/* ========== FAQ ========== */
.faq-container {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--dark-card);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    padding: 20px 24px;
    cursor: pointer;
    transition: all 0.3s;
}

.faq-item:hover {
    border-color: rgba(255, 255, 255, 0.12);
}

.faq-item.open {
    border-color: var(--neon-glow);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--white);
    font-size: 1.05rem;
    user-select: none;
}

.faq-arrow {
    color: var(--neon);
    font-size: 0.8rem;
    transition: transform 0.3s;
}

.faq-item.open .faq-arrow {
    transform: rotate(180deg);
}

.faq-answer {
    margin-top: 14px;
    color: var(--gray);
    line-height: 1.6;
    font-size: 0.95rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, margin-top 0.3s ease;
    margin-top: 0;
}

.faq-item.open .faq-answer {
    max-height: 200px;
    margin-top: 14px;
}

/* ========== CTA ========== */
.cta-box {
    text-align: center;
    padding: 80px 32px;
    background: var(--dark-card);
    border-radius: 32px;
    border: 1px solid var(--neon-glow);
    box-shadow: 0 0 60px var(--neon-dim);
    max-width: 900px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.cta-sub {
    color: var(--gray);
    font-size: 1.1rem;
    margin-bottom: 36px;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 40px;
    background: linear-gradient(135deg, var(--neon), #00ccaa);
    color: var(--dark);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.15rem;
    animation: glow 3s ease-in-out infinite;
    margin-bottom: 20px;
    transition: all 0.3s;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px var(--neon-glow);
}

.cta-phone {
    color: var(--gray);
    font-size: 0.95rem;
}

.cta-phone strong {
    color: var(--white);
}

/* ========== FOOTER ========== */
.footer {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 48px 24px;
    z-index: 1;
    position: relative;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.footer-text {
    color: var(--gray);
    font-size: 0.9rem;
}

.footer-copy {
    color: rgba(255, 255, 255, 0.25);
    font-size: 0.8rem;
}

/* ========== FLOATING WA ========== */
.floating-wa {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #25D366, #128C7E);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 99;
    animation: glow 3s ease-in-out infinite;
    transition: all 0.3s;
}

.floating-wa:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .hero-content {
        flex-direction: column;
        gap: 40px;
    }

    .hero-left,
    .hero-right {
        min-width: 100%;
    }

    .hero {
        padding: 100px 20px 60px;
    }

    .hero-stats {
        gap: 20px;
    }

    .hero-stat-divider {
        display: none;
    }

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

    .plans-grid {
        flex-direction: column;
        align-items: center;
    }

    .plan-card {
        max-width: 100%;
    }

    .plan-popular {
        transform: none;
    }

    .plan-popular:hover {
        transform: translateY(-6px);
    }

    .cta-box {
        padding: 48px 24px;
    }

    .section {
        padding: 60px 20px;
    }

    .floating-wa {
        bottom: 20px;
        right: 20px;
        width: 52px;
        height: 52px;
        font-size: 1.5rem;
    }

    .chat-container {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.4rem;
        letter-spacing: -1px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary {
        justify-content: center;
        width: 100%;
    }

    .nav-cta {
        padding: 8px 16px;
        font-size: 0.8rem;
    }
}

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Un poquito más pro: glow suave */
.registro-box {
    position: relative;
    overflow: hidden;
}

.registro-box::before {
    content: "";
    position: absolute;
    inset: -2px;
    background: radial-gradient(circle at 30% 20%, rgba(0, 255, 136, .12), transparent 55%),
        radial-gradient(circle at 70% 80%, rgba(0, 255, 136, .08), transparent 55%);
    pointer-events: none;
}

/* Nav links */
.nav-links {
    display: flex;
    gap: 24px;
}

.nav-link {
    color: var(--gray);
    text-decoration: none;
    font-size: .9rem;
    font-weight: 500;
    transition: color .3s;
}

.nav-link:hover {
    color: var(--neon);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
}

/* ========== STEPS / CÓMO FUNCIONA ========== */
.steps-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.step-card {
    background: var(--dark-card);
    border: 1px solid rgba(255, 255, 255, .06);
    border-radius: 20px;
    padding: 32px 28px;
    flex: 1 1 260px;
    max-width: 300px;
    text-align: center;
    position: relative;
    transition: all .4s;
}

.step-card:hover {
    border-color: var(--neon-glow);
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, .4), 0 0 30px var(--neon-dim);
}

.step-num {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--neon);
    color: var(--dark);
    font-weight: 800;
    font-size: .85rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.step-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.step-desc {
    color: var(--gray);
    font-size: .9rem;
    line-height: 1.5;
}

.step-arrow {
    font-size: 1.8rem;
    color: rgba(0, 255, 136, .3);
    font-weight: 300;
}

@media (max-width: 768px) {
    .step-arrow {
        display: none;
    }

    .steps-grid {
        flex-direction: column;
    }

    .step-card {
        max-width: 100%;
    }
}

/* ========== REGISTRO ========== */
.registro-box {
    max-width: 560px;
    margin: 0 auto;
    text-align: center;
    background: var(--dark-card);
    border: 1px solid var(--neon-glow);
    border-radius: 24px;
    padding: 48px 36px;
    box-shadow: 0 0 60px var(--neon-dim);
}

.registro-check {
    font-size: 3rem;
    display: block;
    margin-bottom: 8px;
}

.registro-steps {
    margin-top: 32px;
}

.registro-paso {
    animation: fadeSlideUp .5s ease;
}

.registro-paso-num {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--neon);
    color: var(--dark);
    font-weight: 800;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}

.registro-paso h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.registro-paso p {
    color: var(--gray);
    font-size: .95rem;
    margin-bottom: 16px;
}

.registro-input-group {
    display: flex;
    align-items: center;
    gap: 0;
    max-width: 320px;
    margin: 0 auto 16px;
}

.registro-prefix {
    padding: 12px 14px;
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(255, 255, 255, .1);
    border-right: none;
    border-radius: 12px 0 0 12px;
    color: var(--gray);
    font-size: 1rem;
}

.registro-input {
    flex: 1;
    padding: 12px 16px;
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 0 12px 12px 0;
    color: var(--white);
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    outline: none;
    transition: border-color .3s;
}

.registro-input:focus {
    border-color: var(--neon);
}

.registro-input-code {
    max-width: 200px;
    margin: 0 auto 16px;
    display: block;
    text-align: center;
    font-size: 1.5rem;
    letter-spacing: 8px;
    border-radius: 12px;
}

.registro-btn {
    padding: 12px 32px;
    background: linear-gradient(135deg, var(--neon), #00ccaa);
    color: var(--dark);
    border: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all .3s;
}

.registro-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--neon-glow);
}

.registro-hint {
    margin-top: 12px;
    font-size: .85rem;
    min-height: 20px;
}

/* ========== LANDING EXTRAS — agregar al final de index.css ========== */

/* Nav links */
.nav-links {
    display: flex;
    gap: 24px;
}

.nav-link {
    color: var(--gray);
    text-decoration: none;
    font-size: .9rem;
    font-weight: 500;
    transition: color .3s;
}

.nav-link:hover {
    color: var(--neon);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
}

/* ========== STEPS / CÓMO FUNCIONA ========== */
.steps-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.step-card {
    background: var(--dark-card);
    border: 1px solid rgba(255, 255, 255, .06);
    border-radius: 20px;
    padding: 32px 28px;
    flex: 1 1 260px;
    max-width: 300px;
    text-align: center;
    position: relative;
    transition: all .4s;
}

.step-card:hover {
    border-color: var(--neon-glow);
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, .4), 0 0 30px var(--neon-dim);
}

.step-num {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--neon);
    color: var(--dark);
    font-weight: 800;
    font-size: .85rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.step-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.step-desc {
    color: var(--gray);
    font-size: .9rem;
    line-height: 1.5;
}

.step-arrow {
    font-size: 1.8rem;
    color: rgba(0, 255, 136, .3);
    font-weight: 300;
}

@media (max-width: 768px) {
    .step-arrow {
        display: none;
    }

    .steps-grid {
        flex-direction: column;
    }

    .step-card {
        max-width: 100%;
    }
}

/* ========== REGISTRO ========== */
.registro-box {
    max-width: 560px;
    margin: 0 auto;
    text-align: center;
    background: var(--dark-card);
    border: 1px solid var(--neon-glow);
    border-radius: 24px;
    padding: 48px 36px;
    box-shadow: 0 0 60px var(--neon-dim);
}

.registro-check {
    font-size: 3rem;
    display: block;
    margin-bottom: 8px;
}

.registro-steps {
    margin-top: 32px;
}

.registro-paso {
    animation: fadeSlideUp .5s ease;
}

.registro-paso-num {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--neon);
    color: var(--dark);
    font-weight: 800;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}

.registro-paso h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.registro-paso p {
    color: var(--gray);
    font-size: .95rem;
    margin-bottom: 16px;
}

.registro-input-group {
    display: flex;
    align-items: center;
    gap: 0;
    max-width: 320px;
    margin: 0 auto 16px;
}

.registro-prefix {
    padding: 12px 14px;
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(255, 255, 255, .1);
    border-right: none;
    border-radius: 12px 0 0 12px;
    color: var(--gray);
    font-size: 1rem;
}

.registro-input {
    flex: 1;
    padding: 12px 16px;
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 0 12px 12px 0;
    color: var(--white);
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    outline: none;
    transition: border-color .3s;
}

.registro-input:focus {
    border-color: var(--neon);
}

.registro-input-code {
    max-width: 200px;
    margin: 0 auto 16px;
    display: block;
    text-align: center;
    font-size: 1.5rem;
    letter-spacing: 8px;
    border-radius: 12px;
}

.registro-btn {
    padding: 12px 32px;
    background: linear-gradient(135deg, var(--neon), #00ccaa);
    color: var(--dark);
    border: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all .3s;
}

.registro-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--neon-glow);
}

.registro-hint {
    margin-top: 12px;
    font-size: .85rem;
    min-height: 20px;
}

:root {
    --dark: #070a0f;
    --dark-2: #0b0f16;
    --dark-card: rgba(255, 255, 255, .04);
    --white: #e9f0ff;
    --gray: rgba(233, 240, 255, .68);

    --neon: #00ff88;
    --neon-glow: rgba(0, 255, 136, .35);
    --neon-dim: rgba(0, 255, 136, .12);
}

.hero-3d-wrap {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.model-glow-ring {
    position: absolute;
    width: 340px;
    height: 340px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(52, 211, 153, .18) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

model-viewer {
    position: relative;
    z-index: 1;
}

.model-hint {
    font-size: .75rem;
    color: rgba(255, 255, 255, .35);
    margin-top: 8px;
}

.model-section {
    padding: 80px 24px;
    max-width: 1100px;
    margin: 0 auto;
}

.model-section-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 48px;
}

.model-text h2 {
    font-size: 2rem;
    font-weight: 800;
    margin: 0 0 16px;
}

.model-text p {
    color: rgba(255, 255, 255, .55);
    font-size: 1rem;
    line-height: 1.6;
}

.hero-3d-wrap {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.model-glow-ring {
    position: absolute;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(52, 211, 153, .15) 0%, transparent 70%);
    pointer-events: none;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 0;
}

model-viewer {
    position: relative;
    z-index: 1;
    width: 100%;
}

.model-hint {
    font-size: .75rem;
    color: rgba(255, 255, 255, .3);
    margin-top: 8px;
}

@media (max-width: 768px) {
    .model-section-inner {
        grid-template-columns: 1fr;
    }
}