/* ========================================
   VARIABLES & RESET
======================================== */
:root {
    /* Colores principales */
    --navy-dark: #0d1b2a;
    --navy-medium: #1a2a40;
    --navy-light: #243b55;
    --gold-primary: #D4AF37;
    --gold-light: #F4D03F;
    --gold-dark: #C5A028;
    --gold-muted: #b8942b;
    --beige-light: #f5f0e8;
    --beige-medium: #e8e0d0;
    --white: #ffffff;
    --text-dark: #1a1a1a;
    --text-medium: #4a4a4a;
    --text-light: #8a8a8a;

    /* Tipografías */
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Espaciado */
    --section-padding: 100px 0;
    --container-width: 1200px;

    /* Transiciones */
    --transition-fast: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-medium: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);

    /* Sombras */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.16);
    --shadow-gold: 0 4px 20px rgba(212, 175, 55, 0.25);
    --shadow-gold-lg: 0 8px 30px rgba(212, 175, 55, 0.3);
}

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

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

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ========================================
   UTILITIES
======================================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 600;
    text-align: center;
    margin-bottom: 60px;
    color: var(--navy-dark);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--gold-primary), transparent);
}

/* ========================================
   HEADER
======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: all var(--transition-medium);
}

.header.scrolled {
    background: rgba(13, 27, 42, 0.98);
    backdrop-filter: blur(15px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
    transform: translateY(0);
}

.header.scrolled .header-container {
    padding: 15px 40px;
}

.header-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: padding var(--transition-medium);
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--gold-primary);
    cursor: pointer;
}

.logo-img {
    width: 45px;
    height: 45px;
    object-fit: contain;
    mix-blend-mode: screen;
    background: transparent;
    transition: transform var(--transition-smooth), filter var(--transition-fast);
    will-change: transform;
}

.logo:hover .logo-img {
    transform: scale(1.08);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--gold-primary);
    transition: color var(--transition-fast);
}

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

.nav-list {
    display: flex;
    gap: 40px;
}

.nav-link {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--gold-primary);
    position: relative;
    padding: 8px 0;
    transition: color var(--transition-fast);
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold-primary), transparent);
    transition: all var(--transition-smooth);
    transform: translateX(-50%);
}

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

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

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

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--gold-primary);
    transition: all var(--transition-fast);
}

/* ========================================
   HERO SECTION
======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-medium) 50%, var(--navy-light) 100%);
    padding: 120px 20px 60px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.gradient-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 30%, rgba(212, 175, 55, 0.1) 0%, transparent 60%);
}

.hero-content {
    position: relative;
    z-index: 1;
    isolation: auto; /* Permite que mix-blend-mode penetre al fondo del hero */
    text-align: center;
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
}

.hero-logo-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 40px;
    background: transparent;
    border: none;
    box-shadow: none;
}

.hero-logo-img {
    display: block;
    width: 160px;
    height: 160px;
    object-fit: contain;
    mix-blend-mode: screen;
    /* Sin fondo: el modo screen elimina el fondo oscuro de la imagen
       dejando únicamente el ícono dorado visible */
    background: transparent;
    filter: drop-shadow(0 6px 24px rgba(212, 175, 55, 0.45));
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    color: var(--gold-primary);
    letter-spacing: 3px;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--gold-primary) 0%, var(--gold-light) 50%, var(--gold-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    font-weight: 400;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 2px;
    margin-bottom: 40px;
    text-transform: uppercase;
}

.btn-gold {
    display: inline-block;
    padding: 16px 40px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--gold-primary);
    background: transparent;
    border: 2px solid var(--gold-primary);
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn-gold::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--gold-primary), var(--gold-dark));
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: -1;
}

.btn-gold:hover {
    color: var(--navy-dark);
    box-shadow: var(--shadow-gold);
    transform: translateY(-3px);
}

.btn-gold:hover::before {
    opacity: 1;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    animation: bounce 2s ease-in-out infinite;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid rgba(212, 175, 55, 0.5);
    border-radius: 13px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--gold-primary);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.5; transform: translateX(-50%) translateY(10px); }
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

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

/* ========================================
   SERVICES SECTION
======================================== */
.services {
    padding: var(--section-padding);
    background: var(--beige-light);
    position: relative;
}

.section-divider {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
}

.divider-icon {
    width: 60px;
    height: 60px;
    color: var(--navy-medium);
    opacity: 0.5;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.service-card {
    background: var(--white);
    padding: 50px 35px;
    border-radius: 8px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--gold-primary), var(--gold-light), var(--gold-primary));
    transform: scaleX(0);
    transition: transform var(--transition-medium);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--navy-dark);
    margin-bottom: 15px;
}

.service-description {
    font-size: 0.95rem;
    color: var(--text-medium);
    line-height: 1.7;
}

/* ========================================
   BENEFITS SECTION
======================================== */
.benefits {
    padding: var(--section-padding);
    background: linear-gradient(180deg, var(--beige-light) 0%, var(--white) 100%);
}

.benefits-subtitle {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--gold-primary);
    text-align: center;
    margin-bottom: 10px;
}

.benefits .section-title {
    margin-bottom: 20px;
}

.benefits-line {
    width: 60px;
    height: 3px;
    background: var(--gold-primary);
    margin: 0 auto 60px;
}

.benefits-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 40px;
    margin-bottom: 80px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--navy-dark);
    display: inline;
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
    color: var(--gold-primary);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-medium);
    margin-top: 8px;
    font-weight: 500;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    max-width: 1000px;
    margin: 0 auto;
}

.benefit-card {
    background: var(--white);
    padding: 35px 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-medium);
    border: 1px solid transparent;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--gold-primary);
}

.benefit-icon {
    width: 50px;
    height: 50px;
    margin-bottom: 20px;
    color: var(--gold-primary);
}

.benefit-icon svg {
    width: 100%;
    height: 100%;
}

.benefit-card h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--navy-dark);
    margin-bottom: 12px;
}

.benefit-card p {
    font-size: 0.9rem;
    color: var(--text-medium);
    line-height: 1.7;
}

/* ========================================
   ACCOUNTING SERVICES SECTION
======================================== */
.accounting-services {
    padding: var(--section-padding);
    background: var(--white);
}

.services-grid-extended {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card-extended {
    background: var(--beige-light);
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    transition: all var(--transition-medium);
    border: 1px solid transparent;
}

.service-card-extended:hover {
    background: var(--white);
    border-color: var(--gold-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.card-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.service-card-extended h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--navy-dark);
    margin-bottom: 12px;
}

.service-card-extended p {
    font-size: 0.9rem;
    color: var(--text-medium);
    line-height: 1.6;
}

/* ========================================
   ABOUT SECTION
======================================== */
.about {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-medium) 100%);
    color: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 600;
    color: var(--gold-primary);
    margin-bottom: 30px;
}

.about-name {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    color: var(--gold-primary);
    margin-bottom: 5px;
}

.about-degree {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 10px;
}

.about-license {
    font-size: 0.95rem;
    color: var(--gold-muted);
    margin-bottom: 25px;
}

.about-description {
    margin-bottom: 30px;
}

.about-description p {
    font-size: 1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 15px;
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
    color: var(--white);
}

.value-icon {
    width: 24px;
    height: 24px;
    background: var(--gold-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--navy-dark);
    font-size: 0.8rem;
    font-weight: bold;
}

.about-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-logo-large {
    width: 300px;
    height: 300px;
    opacity: 0.9;
    animation: float 6s ease-in-out infinite;
}

.about-logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    mix-blend-mode: screen;
    background: transparent;
    display: block;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(2deg); }
}

/* ========================================
   CONTACT SECTION
======================================== */
.contact {
    padding: var(--section-padding);
    background: var(--beige-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.contact-icon {
    width: 50px;
    height: 50px;
    flex-shrink: 0;
    color: var(--gold-primary);
}

.contact-icon svg {
    width: 100%;
    height: 100%;
}

.contact-details h4 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--navy-dark);
    margin-bottom: 8px;
}

.contact-details p {
    font-size: 1rem;
    color: var(--text-medium);
}

.contact-details a {
    color: var(--navy-dark);
    transition: color var(--transition-fast);
}

.contact-details a:hover {
    color: var(--gold-primary);
}

.contact-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--navy-dark);
    color: var(--navy-dark);
}

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

.btn-whatsapp {
    background: #25D366;
    color: var(--white);
}

.btn-whatsapp:hover {
    background: #1ebc57;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
}

.btn-email {
    background: var(--navy-dark);
    color: var(--white);
}

.btn-email:hover {
    background: var(--navy-medium);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(13, 27, 42, 0.4);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--navy-dark);
}

.form-group input,
.form-group textarea {
    padding: 14px 18px;
    font-family: var(--font-body);
    font-size: 1rem;
    border: 2px solid var(--beige-medium);
    border-radius: 8px;
    background: var(--beige-light);
    color: var(--text-dark);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold-primary);
    background: var(--white);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Form validation styles */
.form-group input.error,
.form-group textarea.error {
    border-color: #e74c3c;
}

.form-group input.success,
.form-group textarea.success {
    border-color: #27ae60;
}

.error-message {
    color: #e74c3c;
    font-size: 0.8rem;
    margin-top: 5px;
}

/* ========================================
   FOOTER
======================================== */
.footer {
    background: var(--navy-dark);
    padding: 60px 20px 40px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-content {
    max-width: var(--container-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 25px;
}

.footer-logo-img {
    width: 50px;
    height: 50px;
    object-fit: contain;
    mix-blend-mode: screen;
    background: transparent;
    display: block;
}

.footer-info h3 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--gold-primary);
    margin-bottom: 5px;
}

.footer-info p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
}

.footer-legal {
    font-size: 0.85rem !important;
    color: rgba(255, 255, 255, 0.5) !important;
    max-width: 500px;
    margin: 0 auto;
}

/* ========================================
   RESPONSIVE
======================================== */
@media (max-width: 992px) {
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .about-visual {
        order: -1;
    }

    .about-logo-large {
        width: 200px;
        height: 200px;
    }
}

@media (max-width: 768px) {
    .header-container {
        padding: 15px 20px;
    }

    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--navy-dark);
        padding: 30px;
        transform: translateY(-150%);
        transition: transform var(--transition-medium);
        z-index: 999;
    }

    .nav.active {
        transform: translateY(0);
    }

    .nav-list {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero-logo-img {
        width: 100px;
        height: 100px;
    }

    .services-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }

    .services-grid-extended {
        grid-template-columns: 1fr;
    }

    .contact-actions {
        flex-direction: column;
    }

    .contact-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .contact-form-wrapper {
        padding: 25px;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .about-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 480px) {
    .logo-text {
        font-size: 1rem;
    }

    .logo-img {
        width: 35px;
        height: 35px;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 0.85rem;
    }

    .btn-gold {
        padding: 14px 30px;
        font-size: 0.8rem;
    }

    .service-card {
        padding: 35px 25px;
    }

    .footer-logo-img {
        width: 40px;
        height: 40px;
    }
}

/* ========================================
   ANIMATIONS ON SCROLL
======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger animations for cards */
.service-card:nth-child(1).fade-in,
.service-card-extended:nth-child(1).fade-in {
    transition-delay: 0.1s;
}

.service-card:nth-child(2).fade-in,
.service-card-extended:nth-child(2).fade-in {
    transition-delay: 0.2s;
}

.service-card:nth-child(3).fade-in,
.service-card-extended:nth-child(3).fade-in {
    transition-delay: 0.3s;
}

.service-card-extended:nth-child(4).fade-in {
    transition-delay: 0.4s;
}

.service-card-extended:nth-child(5).fade-in {
    transition-delay: 0.5s;
}

.service-card-extended:nth-child(6).fade-in {
    transition-delay: 0.6s;
}

/* ========================================
   ENHANCED ANIMATIONS - PREMIUM FEEL
======================================== */

/* Page load animation */
body {
    opacity: 0;
    animation: pageFadeIn 0.8s ease-out forwards;
}

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

/* Hero section enhanced animations */
.hero-content {
    animation: heroContentEnter 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

@keyframes heroContentEnter {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-logo-img {
    animation: heroLogoEnter 1.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    transform-origin: center;
}

@keyframes heroLogoEnter {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(30px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.hero-title {
    animation: textReveal 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.3s forwards;
    opacity: 0;
}

@keyframes textReveal {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    animation: textReveal 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.4s forwards;
    opacity: 0;
}

.btn-gold.hero-cta {
    animation: buttonEnter 1s cubic-bezier(0.34, 1.56, 0.64, 1) 0.6s forwards;
    opacity: 0;
}

@keyframes buttonEnter {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll indicator animation */
.scroll-indicator {
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateX(-50%) translateY(12px);
        opacity: 0.6;
    }
}

/* ========================================
   ENHANCED CARD HOVER EFFECTS
======================================== */
.service-card {
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
                border-color 0.3s ease;
}

.service-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.service-card-extended {
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
                background-color 0.3s ease,
                border-color 0.3s ease;
}

.service-card-extended:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.12);
}

.benefit-card {
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
                border-color 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.1);
}

/* Icon hover micro-interactions */
.service-icon,
.benefit-icon,
.card-icon {
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.service-card:hover .service-icon,
.benefit-card:hover .benefit-icon,
.service-card-extended:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
}

/* ========================================
   ENHANCED HEADER ANIMATIONS
======================================== */
.header {
    transition: background-color 0.3s ease,
                box-shadow 0.3s ease,
                transform 0.3s ease;
}

.header.scrolled {
    background: rgba(13, 27, 42, 0.98);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4),
                0 2px 10px rgba(0, 0, 0, 0.2);
    transform: translateY(0);
}

.header.scrolled .header-container {
    padding: 12px 40px;
    transition: padding 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.logo-img {
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.logo:hover .logo-img {
    transform: scale(1.08);
}

.nav-link {
    transition: color 0.3s ease;
}

.nav-link::before {
    transition: width 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ========================================
   ENHANCED BUTTON ANIMATIONS
======================================== */
.btn-gold {
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    will-change: transform, box-shadow;
}

.btn-gold:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(212, 175, 55, 0.35);
}

.btn-gold:active {
    transform: translateY(-2px) scale(0.98);
}

.btn {
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn:hover {
    transform: translateY(-3px);
}

.btn:active {
    transform: translateY(-1px) scale(0.98);
}

/* Focus states for accessibility */
.btn:focus-visible,
.btn-gold:focus-visible,
.nav-link:focus-visible,
.mobile-menu-btn:focus-visible {
    outline: 2px solid var(--gold-primary);
    outline-offset: 3px;
}

/* ========================================
   SECTION ENTRANCE ANIMATIONS
======================================== */
.section-title {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.section-title.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger animation for benefit cards */
.benefit-card:nth-child(1) { transition-delay: 0.1s; }
.benefit-card:nth-child(2) { transition-delay: 0.2s; }
.benefit-card:nth-child(3) { transition-delay: 0.3s; }
.benefit-card:nth-child(4) { transition-delay: 0.4s; }
.benefit-card:nth-child(5) { transition-delay: 0.5s; }

/* Stat items stagger animation */
.stat-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards,
                transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.stat-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.stat-item:nth-child(1) { transition-delay: 0.1s; }
.stat-item:nth-child(2) { transition-delay: 0.2s; }
.stat-item:nth-child(3) { transition-delay: 0.3s; }
.stat-item:nth-child(4) { transition-delay: 0.4s; }

/* ========================================
   CONTACT FORM ENHANCED ANIMATIONS
======================================== */
.form-group input,
.form-group textarea {
    transition: border-color 0.3s ease,
                background-color 0.3s ease,
                box-shadow 0.3s ease,
                transform 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    transform: scale(1.01);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.15);
}

.contact-form-wrapper {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.contact-form-wrapper.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   ABOUT SECTION ANIMATIONS
======================================== */
.about-content {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.about-content.visible {
    opacity: 1;
    transform: translateY(0);
}

.value-item {
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.5s ease,
                transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.value-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.value-item:nth-child(1) { transition-delay: 0.1s; }
.value-item:nth-child(2) { transition-delay: 0.2s; }
.value-item:nth-child(3) { transition-delay: 0.3s; }

/* ========================================
   CONTACT ITEM ANIMATIONS
======================================== */
.contact-item {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s cubic-bezier(0.34, 1.56, 0.64, 1),
                transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.contact-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.contact-item:nth-child(1) { transition-delay: 0.1s; }
.contact-item:nth-child(2) { transition-delay: 0.3s; }

/* ========================================
   FOOTER ANIMATION
======================================== */
.footer {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease,
                transform 0.8s ease;
}

.footer.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   SMOOTH SCROLL BEHAVIOR
======================================== */
html {
    scroll-behavior: smooth;
}

/* ========================================================
   ANIMACIONES PERMANENTES — PREMIUM
   (Siempre visibles, en loop continuo)
======================================================== */

/* --- Hero: gradiente de fondo animado --- */
.hero {
    background: linear-gradient(
        135deg,
        #080f1a 0%,
        var(--navy-dark)   20%,
        var(--navy-medium) 45%,
        #1e3d5c            65%,
        var(--navy-medium) 85%,
        var(--navy-dark)   100%
    );
    background-size: 300% 300%;
    animation: heroGradientShift 14s ease infinite;
}

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

/* --- Hero: orbes dorados flotantes en el fondo --- */
.hero-background::before,
.hero-background::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.hero-background::before {
    width: 450px;
    height: 450px;
    top: -120px;
    right: -100px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.08) 0%, transparent 70%);
    animation: orbDrift 16s ease-in-out infinite;
}

.hero-background::after {
    width: 320px;
    height: 320px;
    bottom: -80px;
    left: -60px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.05) 0%, transparent 70%);
    animation: orbDrift 12s ease-in-out 5s infinite reverse;
}

@keyframes orbDrift {
    0%, 100% { transform: translate(0,    0)    scale(1);    opacity: 0.7; }
    33%       { transform: translate(35px, -45px) scale(1.15); opacity: 1;   }
    66%       { transform: translate(-25px, 30px) scale(0.9);  opacity: 0.5; }
}

/* --- Hero: gradient-overlay respira suavemente --- */
.gradient-overlay {
    animation: overlayBreath 9s ease-in-out infinite;
}

@keyframes overlayBreath {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.45; }
}

/* --- Hero logo: flotación + brillo (reemplaza al parallax) --- */
.hero-logo-img {
    animation: heroLogoEnter 1.4s cubic-bezier(0.34, 1.56, 0.64, 1) both,
               heroLogoFloat 6s ease-in-out 1.5s infinite;
}

@keyframes heroLogoFloat {
    0%, 100% {
        transform: translateY(0) scale(1);
        filter: drop-shadow(0 4px 20px rgba(212, 175, 55, 0.4));
    }
    50% {
        transform: translateY(-13px) scale(1.03);
        filter: drop-shadow(0 14px 38px rgba(212, 175, 55, 0.7));
    }
}

/* --- Hero título: shimmer de gradiente continuo --- */
.hero-title {
    background-size: 200% auto;
    animation: textReveal 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.3s both,
               titleShimmer 5s linear 1.5s infinite;
}

@keyframes titleShimmer {
    0%   { background-position: 0%   center; }
    100% { background-position: 200% center; }
}

/* --- Hero CTA: glow pulsante continuo --- */
.btn-gold.hero-cta {
    animation: buttonEnter 1s cubic-bezier(0.34, 1.56, 0.64, 1) 0.6s both,
               ctaGlowPulse 3s ease-in-out 1.8s infinite;
}

@keyframes ctaGlowPulse {
    0%, 100% { box-shadow: 0 0 10px rgba(212, 175, 55, 0.2),  0 0 0  0   rgba(212, 175, 55, 0);    }
    50%       { box-shadow: 0 0 28px rgba(212, 175, 55, 0.55), 0 0 55px rgba(212, 175, 55, 0.12); }
}

/* --- Header logo: pulso dorado sutil --- */
.logo-img {
    animation: logoGlowPulse 4s ease-in-out infinite;
}

.logo:hover .logo-img {
    animation-play-state: paused;
}

@keyframes logoGlowPulse {
    0%, 100% { filter: drop-shadow(0 0 3px  rgba(212, 175, 55, 0.2)); }
    50%       { filter: drop-shadow(0 0 10px rgba(212, 175, 55, 0.55)); }
}

/* --- Títulos de sección: subrayado con shimmer continuo --- */
.section-title::after {
    background: linear-gradient(
        90deg,
        transparent        0%,
        var(--gold-dark)   25%,
        var(--gold-light)  50%,
        var(--gold-primary)75%,
        transparent        100%
    );
    background-size: 200% auto;
    animation: underlineShimmer 4s linear infinite;
}

@keyframes underlineShimmer {
    0%   { background-position: 0%   center; }
    100% { background-position: 200% center; }
}

/* --- Íconos: flotación desfasada por tarjeta --- */
@keyframes iconFloat {
    0%, 100% { transform: translateY(0);   }
    50%       { transform: translateY(-8px); }
}

/* Tarjetas de servicios (grid principal) */
.services-grid .service-card:nth-child(1) .service-icon { animation: iconFloat 4.5s ease-in-out 0s   infinite; }
.services-grid .service-card:nth-child(2) .service-icon { animation: iconFloat 4.5s ease-in-out 1.5s infinite; }
.services-grid .service-card:nth-child(3) .service-icon { animation: iconFloat 4.5s ease-in-out 3s   infinite; }
.services-grid .service-card:hover .service-icon        { animation-play-state: paused; }

/* Tarjetas contables extendidas */
.services-grid-extended .service-card-extended:nth-child(1) .card-icon { animation: iconFloat 5s ease-in-out 0s     infinite; }
.services-grid-extended .service-card-extended:nth-child(2) .card-icon { animation: iconFloat 5s ease-in-out 0.83s  infinite; }
.services-grid-extended .service-card-extended:nth-child(3) .card-icon { animation: iconFloat 5s ease-in-out 1.66s  infinite; }
.services-grid-extended .service-card-extended:nth-child(4) .card-icon { animation: iconFloat 5s ease-in-out 2.5s   infinite; }
.services-grid-extended .service-card-extended:nth-child(5) .card-icon { animation: iconFloat 5s ease-in-out 3.33s  infinite; }
.services-grid-extended .service-card-extended:nth-child(6) .card-icon { animation: iconFloat 5s ease-in-out 4.16s  infinite; }
.services-grid-extended .service-card-extended:hover .card-icon         { animation-play-state: paused; }

/* Íconos de beneficios */
.benefits-grid .benefit-card:nth-child(1) .benefit-icon { animation: iconFloat 5.5s ease-in-out 0s    infinite; }
.benefits-grid .benefit-card:nth-child(2) .benefit-icon { animation: iconFloat 5.5s ease-in-out 1.1s  infinite; }
.benefits-grid .benefit-card:nth-child(3) .benefit-icon { animation: iconFloat 5.5s ease-in-out 2.2s  infinite; }
.benefits-grid .benefit-card:nth-child(4) .benefit-icon { animation: iconFloat 5.5s ease-in-out 3.3s  infinite; }
.benefits-grid .benefit-card:nth-child(5) .benefit-icon { animation: iconFloat 5.5s ease-in-out 4.4s  infinite; }
.benefits-grid .benefit-card:hover .benefit-icon         { animation-play-state: paused; }

/* Logo about: sombra dorada al float existente */
.about-logo-large {
    filter: drop-shadow(0 8px 25px rgba(212, 175, 55, 0.25));
}

/* ========================================================
   SECCIÓN TESTIMONIOS
======================================================== */
.testimonials {
    padding: var(--section-padding);
    background: linear-gradient(180deg, var(--beige-light) 0%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

/* Orbe decorativo de fondo */
.testimonials::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    top: -200px;
    right: -200px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.05) 0%, transparent 70%);
    pointer-events: none;
    animation: orbDrift 20s ease-in-out infinite;
}

/* Eyebrow label */
.testimonials-eyebrow {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--gold-primary);
    text-align: center;
    margin-bottom: 10px;
}

/* Wrapper general */
.testimonials-wrapper {
    position: relative;
}

/* Grid desktop: 3 columnas */
.testimonials-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
}

/* Tarjeta base */
.testimonial-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    border: 2px solid transparent;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: transform  0.6s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.6s ease,
                border-color 0.5s ease;
}

/* Barra superior con shimmer (aparece en featured/hover) */
.testimonial-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(
        90deg,
        var(--gold-dark), var(--gold-light), var(--gold-primary), var(--gold-dark)
    );
    background-size: 200% auto;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
    animation: underlineShimmer 3s linear infinite;
    animation-play-state: paused;
}

.testimonial-card.featured::before,
.testimonial-card:hover::before {
    transform: scaleX(1);
    animation-play-state: running;
}

/* Estado destacado — rotado automáticamente por JS */
.testimonial-card.featured {
    border-color: rgba(212, 175, 55, 0.35);
    box-shadow: 0 20px 55px rgba(212, 175, 55, 0.15), var(--shadow-md);
    transform: translateY(-10px) scale(1.02);
}

.testimonial-card:hover {
    border-color: rgba(212, 175, 55, 0.4);
    box-shadow: 0 15px 45px rgba(212, 175, 55, 0.13), var(--shadow-md);
    transform: translateY(-8px);
}

/* Avatar circular con glow animado */
.testimonial-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    margin: 0 auto 18px;
    border: 3px solid var(--gold-primary);
    overflow: hidden;
    animation: avatarGlow 4s ease-in-out infinite;
}

@keyframes avatarGlow {
    0%, 100% { box-shadow: 0 4px 15px rgba(212, 175, 55, 0.25); }
    50%       { box-shadow: 0 4px 28px rgba(212, 175, 55, 0.55); }
}

.testimonial-card:nth-child(1) .testimonial-avatar { animation-delay: 0s;   }
.testimonial-card:nth-child(2) .testimonial-avatar { animation-delay: 1.3s; }
.testimonial-card:nth-child(3) .testimonial-avatar { animation-delay: 2.6s; }

.testimonial-avatar svg {
    width: 100%;
    height: 100%;
    display: block;
}

/* Estrellas con brillo pulsante */
.testimonial-stars {
    color: var(--gold-primary);
    font-size: 1.1rem;
    letter-spacing: 3px;
    margin-bottom: 18px;
    animation: starsGlow 3.5s ease-in-out infinite;
}

@keyframes starsGlow {
    0%, 100% { text-shadow: none; }
    50%       { text-shadow: 0 0 12px rgba(212, 175, 55, 0.65); }
}

.testimonial-card:nth-child(1) .testimonial-stars { animation-delay: 0s;   }
.testimonial-card:nth-child(2) .testimonial-stars { animation-delay: 1.2s; }
.testimonial-card:nth-child(3) .testimonial-stars { animation-delay: 2.4s; }

/* Texto del testimonio */
.testimonial-text {
    font-size: 0.97rem;
    line-height: 1.85;
    color: var(--text-medium);
    font-style: italic;
    margin-bottom: 24px;
    position: relative;
    padding-top: 10px;
}

/* Comilla decorativa */
.testimonial-text::before {
    content: '"';
    font-family: var(--font-display);
    font-size: 5rem;
    color: var(--gold-primary);
    opacity: 0.15;
    position: absolute;
    top: -18px;
    left: -5px;
    line-height: 1;
    pointer-events: none;
}

/* Autor */
.testimonial-author {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding-top: 20px;
    border-top: 1px solid var(--beige-medium);
}

.testimonial-name {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--navy-dark);
}

.testimonial-role {
    font-size: 0.8rem;
    color: var(--gold-primary);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-weight: 600;
}

/* Dots de navegación */
.testimonials-dots {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 40px;
}

.testimonials-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--beige-medium);
    border: none;
    cursor: pointer;
    padding: 0;
    transition: background 0.4s ease, transform 0.4s ease, box-shadow 0.4s ease;
}

.testimonials-dot.active {
    background: var(--gold-primary);
    transform: scale(1.35);
    box-shadow: 0 0 12px rgba(212, 175, 55, 0.5);
}

.testimonials-dot:hover:not(.active) {
    background: var(--gold-muted);
    transform: scale(1.15);
}

/* Keyframe de entrada para móvil */
@keyframes cardFadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0);    }
}

/* ========================================================
   RESPONSIVE TESTIMONIOS
======================================================== */
@media (max-width: 900px) {
    /* En tablet/móvil: carousel de una tarjeta */
    .testimonials-cards {
        grid-template-columns: 1fr;
        max-width: 520px;
        position: relative;
    }

    /* Ocultar todas las tarjetas por defecto */
    .testimonial-card {
        display: none;
    }

    /* Mostrar solo la featured con animación de entrada */
    .testimonial-card.featured {
        display: block;
        transform: none !important;
        border-color: rgba(212, 175, 55, 0.3);
        box-shadow: 0 10px 35px rgba(212, 175, 55, 0.12);
        animation: cardFadeIn 0.6s ease forwards;
    }
}

@media (max-width: 600px) {
    .testimonial-card {
        padding: 30px 22px;
    }

    .testimonial-text {
        font-size: 0.9rem;
    }

    .testimonial-name {
        font-size: 1rem;
    }
}

/* ========================================
   REDUCED MOTION PREFERENCE
======================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}