/* ============================================
   KINETIC DENTAL RECOVERY® - Brand Styles
   Paleta: #0C1F3F, #B3B6B7, #4ECDC4, oro/paladio
   Tipografía: Montserrat (títulos), EB Garamond (cuerpo)
   ============================================ */
:root {
    --midnight: #0C1F3F;
    --midnight-deep: #1E2B45;
    --midnight-frame: #172033;
    --midnight-light: #132a52;
    --platinum: #B3B6B7;
    --titanium: #3A3A3A;
    --teal: #4ECDC4;
    --teal-glow: rgba(78, 205, 196, 0.35);
    --glow-cyan: #A6F0FF;
    --glow-cyan-soft: #80D0E0;
    --glow-peach: rgba(255, 192, 200, 0.15);
    --gold-start: #e8dcc4;
    --gold-end: #c9a962;
    --metallic-teal: #C0FFFF;
    --metallic-bronze: #B88B4D;
    --white: #ffffff;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'EB Garamond', Georgia, serif;
    line-height: 1.6;
    color: var(--titanium);
    background: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========== NAV ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(12, 31, 63, 0.96);
    backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid rgba(78, 205, 196, 0.12);
    transition: var(--transition);
}

.navbar.scrolled {
    background: var(--midnight);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    text-decoration: none;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
    line-height: 1.2;
}

.logo-symbol {
    height: 28px;
    width: auto;
    object-fit: contain;
    display: block;
    transition: var(--transition);
}

.logo-wordmark {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.12em;
    color: var(--white);
    transition: var(--transition);
}

.logo:hover .logo-wordmark {
    color: var(--teal);
}

.logo-text {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--white);
    letter-spacing: 0.04em;
}

.logo-sub {
    font-family: 'Montserrat', sans-serif;
    font-weight: 400;
    font-size: 0.7rem;
    color: var(--platinum);
    letter-spacing: 0.12em;
}

.logo sup {
    font-size: 0.5rem;
}

.logo:hover .logo-text {
    color: var(--teal);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--platinum);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--teal);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-cta {
    background: var(--teal);
    color: var(--midnight) !important;
    padding: 0.55rem 1.35rem;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    background: #5dd9d1;
    color: var(--midnight) !important;
    box-shadow: 0 0 20px var(--teal-glow);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--platinum);
    transition: var(--transition);
    border-radius: 1px;
}

/* ========== HERO ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 0 80px;
    background: var(--midnight);
    overflow: hidden;
}

/* Base: azul profundo + marco más oscuro (receso) */
.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--midnight-deep);
    z-index: 0;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    box-shadow: inset 0 0 120px 40px var(--midnight-frame);
    pointer-events: none;
}

/* Banda metálica curva esquina inferior derecha (teal → bronce) */
.hero-metallic {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 42%;
    height: 38%;
    min-width: 280px;
    min-height: 220px;
    z-index: 0;
    pointer-events: none;
    clip-path: ellipse(100% 100% at 100% 100%);
    background: linear-gradient(155deg, transparent 0%, transparent 28%, rgba(192, 255, 255, 0.08) 38%, rgba(166, 240, 255, 0.12) 48%, rgba(184, 139, 77, 0.22) 68%, rgba(224, 176, 112, 0.18) 85%, rgba(184, 139, 77, 0.12) 100%);
}

.hero-metallic::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 0 0 100% 0;
    background: linear-gradient(160deg, transparent 25%, rgba(192, 255, 255, 0.12) 45%, rgba(184, 139, 77, 0.28) 70%, rgba(210, 170, 110, 0.15) 100%);
    box-shadow: inset 0 0 40px rgba(192, 255, 255, 0.06), -4px -4px 30px rgba(0, 0, 0, 0.15);
}

.hero-logo-symbol {
    margin-bottom: 1.75rem;
}

.hero-logo-symbol img {
    width: 100px;
    height: 100px;
    object-fit: contain;
    opacity: 0.98;
    filter: drop-shadow(0 4px 24px rgba(0,0,0,0.2));
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease-out;
}

.hero-badge {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.22em;
    color: var(--platinum);
    margin-bottom: 1.25rem;
    text-transform: uppercase;
}

.hero-title {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(1.85rem, 4.5vw, 3rem);
    font-weight: 700;
    line-height: 1.25;
    color: var(--white);
    letter-spacing: 0.01em;
    margin-bottom: 1rem;
}

.hero-brand {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--platinum);
    margin-bottom: 1.25rem;
}

.hero-desc {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0.75rem;
    line-height: 1.75;
}

.hero-powered {
    font-size: 0.8rem;
    color: var(--platinum);
    margin-bottom: 2.25rem;
    opacity: 0.85;
    letter-spacing: 0.02em;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.hero-buttons-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.hero-buttons .btn-center {
    align-self: center;
}

.btn-outline {
    background: transparent;
    color: var(--platinum);
    border: 1.5px solid rgba(179, 182, 183, 0.6);
}

.btn-outline:hover {
    border-color: var(--white);
    color: var(--white);
}

.btn {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.9rem 1.75rem;
    border-radius: 8px;
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: var(--teal);
    color: var(--midnight);
    font-weight: 700;
}

.btn-primary:hover {
    transform: translateY(-1px);
    background: #5dd9d1;
    box-shadow: 0 4px 20px var(--teal-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--platinum);
}

.btn-secondary:hover {
    border-color: var(--teal);
    color: var(--teal);
}

.btn-block {
    width: 100%;
    text-align: center;
}

.scroll-indicator {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(179, 182, 183, 0.7);
    font-size: 1rem;
    animation: bounce 2.5s infinite;
    z-index: 1;
}

/* ========== SECTIONS ========== */
.section {
    padding: 5rem 0;
}

.section-dark {
    background: var(--midnight);
    color: var(--white);
}

.section-dark .section-title,
.section-dark .section-subtitle,
.section-dark .lead,
.section-dark p {
    color: rgba(255, 255, 255, 0.9);
}

.section-dark .section-subtitle {
    opacity: 0.85;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--midnight);
    margin-bottom: 0.75rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--titanium);
    max-width: 600px;
    margin: 0 auto;
}

.lead {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

/* Intro */
.intro-section .intro-grid {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}

.intro-section .section-title {
    color: var(--white);
    margin-bottom: 1rem;
}

.intro-section p {
    margin-bottom: 0.75rem;
}

/* Modelos */
.modelos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.modelo-card {
    background: var(--white);
    border: 1px solid rgba(12, 31, 63, 0.1);
    border-radius: 12px;
    padding: 2.5rem;
    position: relative;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(12, 31, 63, 0.08);
}

.modelo-card:hover {
    box-shadow: 0 12px 40px rgba(12, 31, 63, 0.12);
    border-color: rgba(78, 205, 196, 0.3);
}

.modelo-premium {
    border-top: 4px solid var(--teal);
}

.modelo-lowcost {
    border-top: 4px solid var(--gold-end);
}

.modelo-badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 36px;
    height: 36px;
    background: var(--midnight);
    color: var(--teal);
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modelo-card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--midnight);
    margin-bottom: 0.35rem;
}

.modelo-sub {
    font-size: 0.95rem;
    color: var(--teal);
    font-weight: 600;
    margin-bottom: 1rem;
}

.modelo-desc {
    color: var(--titanium);
    margin-bottom: 1.5rem;
    line-height: 1.65;
}

.modelo-list {
    list-style: none;
    margin-bottom: 1.5rem;
}

.modelo-list li {
    padding: 0.4rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--titanium);
    font-size: 0.95rem;
}

.modelo-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.75rem;
    width: 6px;
    height: 6px;
    background: var(--teal);
    border-radius: 50%;
}

.modelo-concepto,
.modelo-ideal {
    font-size: 0.95rem;
    color: var(--titanium);
    margin-top: 1rem;
    line-height: 1.6;
}

/* Por qué */
.por-que-section {
    position: relative;
}

.section-bg-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.06;
    background-image: 
        radial-gradient(circle at 20% 80%, var(--teal) 1px, transparent 1px),
        radial-gradient(circle at 80% 20%, var(--teal) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: 0;
}

.por-que-section .container {
    position: relative;
    z-index: 1;
}

.por-que-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
}

.por-que-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(78, 205, 196, 0.2);
    border-radius: 12px;
    padding: 2rem;
    transition: var(--transition);
}

.por-que-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(78, 205, 196, 0.35);
    box-shadow: 0 0 30px var(--teal-glow);
}

.por-que-num {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: var(--teal);
    color: var(--midnight);
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.25rem;
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    margin-bottom: 1rem;
}

.por-que-item h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.por-que-item p {
    font-size: 0.95rem;
    color: var(--platinum);
    margin: 0;
}

.por-que-wide {
    grid-column: 1 / -1;
    max-width: 560px;
    margin: 0 auto;
}

/* Qué adquieres */
.que-adquieres-section {
    background: #f8fafb;
}

.adquirir-list {
    list-style: none;
    max-width: 560px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.adquirir-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.05rem;
    color: var(--titanium);
}

.adquirir-list i {
    color: var(--teal);
    font-size: 1.1rem;
}

/* Perfil */
.perfil-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.perfil-tag {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.6rem 1.25rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(78, 205, 196, 0.3);
    border-radius: 999px;
    color: var(--white);
    transition: var(--transition);
}

.perfil-tag:hover {
    background: rgba(78, 205, 196, 0.15);
    border-color: var(--teal);
}

/* Proceso */
.proceso-steps {
    max-width: 480px;
    margin: 0 auto;
    padding-left: 1.5rem;
    font-size: 1.1rem;
    color: var(--titanium);
    line-height: 2.2;
}

.proceso-steps li {
    margin-bottom: 0.25rem;
}

/* Oportunidad */
.oportunidad-content {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.oportunidad-content .section-title {
    color: var(--white);
    margin-bottom: 1rem;
}

.oportunidad-content .lead {
    margin-bottom: 1rem;
}

.oportunidad-content p {
    margin-bottom: 0.75rem;
}

.cta-line {
    margin-top: 1.5rem !important;
    font-size: 1.2rem;
    color: var(--teal) !important;
}

/* CTA / Contacto */
.cta-section {
    padding: 5rem 0;
}

.cta-phone {
    display: inline-block;
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--midnight);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.cta-phone:hover {
    color: var(--teal);
}

.cta-label {
    font-size: 0.9rem;
    color: var(--titanium);
    margin-bottom: 1.5rem;
}

.cta-offices {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.office-card {
    background: #f5f7fa;
    border-radius: 10px;
    padding: 1.5rem;
    border: 1px solid rgba(12, 31, 63, 0.08);
}

.office-card h4 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.1rem;
    color: var(--midnight);
    margin-bottom: 0.35rem;
}

.office-card p {
    font-size: 0.95rem;
    color: var(--titanium);
    margin-bottom: 0.25rem;
}

.cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
}

/* Form */
.contacto-form {
    max-width: 560px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid rgba(12, 31, 63, 0.15);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--teal);
    box-shadow: 0 0 0 3px var(--teal-glow);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

@media (max-width: 640px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* Footer */
.footer {
    background: var(--midnight);
    color: var(--platinum);
    padding: 3rem 0 2rem;
    border-top: 1px solid rgba(78, 205, 196, 0.12);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo-img {
    height: 38px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
    object-position: left center;
    opacity: 0.95;
}

.footer-brand p {
    font-size: 0.9rem;
    margin-top: 0.75rem;
    opacity: 0.8;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--platinum);
    text-decoration: none;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--teal);
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.9rem;
    opacity: 0.85;
}

.footer-bottom p {
    margin-bottom: 0.25rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-8px); }
    60% { transform: translateX(-50%) translateY(-4px); }
}

/* Responsive */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: var(--midnight);
        width: 100%;
        padding: 2rem;
        gap: 1rem;
        border-top: 1px solid rgba(78, 205, 196, 0.15);
        transition: var(--transition);
    }

    .nav-menu.active {
        left: 0;
    }

    .menu-toggle {
        display: flex;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

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

    .btn {
        width: 100%;
        text-align: center;
    }

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

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

@media (max-width: 640px) {
    .section {
        padding: 3.5rem 0;
    }

    .logo .logo-symbol {
        height: 22px;
    }

    .hero-logo-symbol img {
        width: 72px;
        height: 72px;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .cta-phone {
        font-size: 1.5rem;
    }
}