/* ============================================
   Copezi — Call Center & Debt Recovery
   Modern Corporate Theme
   ============================================ */

:root {
    /* Primary palette */
    --primary: #1a56db;
    --primary-dark: #1243b0;
    --primary-light: #3b82f6;
    --primary-gradient: linear-gradient(135deg, #1a56db 0%, #3b82f6 100%);

    /* Neutral palette */
    --dark: #0f172a;
    --dark-2: #1e293b;
    --dark-3: #334155;
    --gray: #64748b;
    --gray-light: #94a3b8;
    --gray-bg: #f8fafc;
    --border: #e2e8f0;

    /* Accent */
    --whatsapp: #25D366;
    --success: #10b981;

    /* Typography */
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --section-padding: 100px 0;
    --container: 1200px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font);
    color: var(--dark);
    line-height: 1.7;
    overflow-x: hidden;
    background: #fff;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ========== SECTION COMMON ========== */
.section { padding: var(--section-padding); }

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 12px 0 16px;
    line-height: 1.2;
}

.section-header p {
    color: var(--gray);
    font-size: 1.1rem;
    line-height: 1.8;
}

.section-badge {
    display: inline-block;
    background: rgba(26, 86, 219, 0.1);
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 6px 18px;
    border-radius: 50px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.highlight {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 14px 28px;
    border-radius: 12px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary-gradient);
    color: #fff;
    box-shadow: 0 4px 15px rgba(26, 86, 219, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(26, 86, 219, 0.45);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.4);
}

.btn-outline:hover {
    border-color: #fff;
    background: rgba(255,255,255,0.1);
}

.btn-lg {
    padding: 16px 34px;
    font-size: 1.05rem;
}

.btn-whatsapp {
    background: var(--whatsapp);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    padding: 14px 28px;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-whatsapp:hover {
    background: #1da851;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.35);
}

/* ========== NAVBAR ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.3s ease;
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    padding: 10px 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    display: flex;
    align-items: center;
}

.navbar-brand .logo-white {
    display: block;
    height: 40px;
    transition: height 0.3s ease;
}

.navbar-brand .logo-normal {
    display: none;
    height: 40px;
    transition: height 0.3s ease;
}

.navbar.scrolled .navbar-brand .logo-white {
    display: none;
}

.navbar.scrolled .navbar-brand .logo-normal {
    display: block;
    height: 36px;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
    transition: color 0.3s ease;
    position: relative;
}

.navbar.scrolled .nav-links a {
    color: var(--dark-3);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: #fff;
}

.navbar.scrolled .nav-links a:hover,
.navbar.scrolled .nav-links a.active {
    color: var(--primary);
}

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

.nav-cta {
    padding: 10px 22px;
    font-size: 0.85rem;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #fff;
    cursor: pointer;
    padding: 4px;
}

.navbar.scrolled .nav-toggle {
    color: var(--dark);
}

/* ========== HERO ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-slides {
    position: absolute;
    inset: 0;
}

.hero-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, 
        rgba(15, 23, 42, 0.92) 0%, 
        rgba(15, 23, 42, 0.75) 50%, 
        rgba(15, 23, 42, 0.6) 100%
    );
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 120px 24px 80px;
}

.hero-badge {
    display: inline-block;
    background: rgba(59, 130, 246, 0.2);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #93c5fd;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 8px 20px;
    border-radius: 50px;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.75);
    line-height: 1.8;
    max-width: 600px;
    margin-bottom: 36px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 2px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #fff;
    line-height: 1;
}

.stat-plus,
.stat-percent {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-light);
    margin-left: 2px;
}

.stat-label {
    display: block;
    width: 100%;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.6);
    margin-top: 4px;
}

/* ========== ABOUT ========== */
.about {
    background: #fff;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 12px 0 20px;
    line-height: 1.2;
}

.about-content p {
    color: var(--gray);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 28px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--dark-2);
}

.about-feature i {
    color: var(--primary);
    font-size: 1.2rem;
}

.about-image {
    display: flex;
    justify-content: center;
}

.about-image-card {
    background: var(--primary-gradient);
    border-radius: 24px;
    padding: 48px;
    color: #fff;
    text-align: center;
    max-width: 320px;
    box-shadow: 0 20px 60px rgba(26, 86, 219, 0.3);
}

.about-image-card i {
    font-size: 3rem;
    margin-bottom: 16px;
}

.about-image-text strong {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
}

.about-image-text span {
    font-size: 1rem;
    opacity: 0.85;
}

/* ========== SERVICES ========== */
.services {
    background: var(--gray-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: #fff;
    border-radius: 20px;
    padding: 36px 28px;
    border: 1px solid var(--border);
    transition: all 0.4s ease;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.08);
    border-color: transparent;
}

.service-icon {
    width: 56px;
    height: 56px;
    background: rgba(26, 86, 219, 0.1);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-icon i {
    font-size: 1.6rem;
    color: var(--primary);
}

.service-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
}

.service-card p {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ========== CTA BANNER ========== */
.cta-banner {
    background: var(--primary-gradient);
    padding: 80px 0;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.8);
    max-width: 550px;
    margin: 0 auto 32px;
}

.cta-content .btn-primary {
    background: #fff;
    color: var(--primary);
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.cta-content .btn-primary:hover {
    background: #f0f4ff;
    transform: translateY(-2px);
}

/* ========== CLIENTS ========== */
.clients {
    background: #fff;
}

.clients-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.client-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 32px 40px;
    background: var(--gray-bg);
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    min-width: 180px;
}

.client-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.06);
}

.client-card img {
    height: 48px;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all 0.3s ease;
}

.client-card:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

.client-card span {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray);
}

/* ========== CONTACT ========== */
.contact {
    background: var(--gray-bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 48px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: #fff;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.contact-info-item:hover {
    border-color: var(--primary-light);
    box-shadow: 0 4px 16px rgba(26, 86, 219, 0.08);
}

.contact-info-item i {
    font-size: 1.5rem;
    color: var(--primary);
    margin-top: 2px;
}

.contact-info-item h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark-3);
    margin-bottom: 4px;
}

.contact-info-item p,
.contact-info-item a {
    color: var(--gray);
    font-size: 0.95rem;
}

.contact-info-item a:hover {
    color: var(--primary);
}

.contact-info-cta {
    padding: 20px;
    background: #fff;
    border-radius: 16px;
    border: 1px solid var(--border);
    text-align: center;
}

.contact-info-cta p {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.contact-info-cta .btn-whatsapp {
    width: 100%;
    justify-content: center;
}

/* ========== CONTACT FORM ========== */
.contact-form {
    background: #fff;
    border-radius: 20px;
    padding: 40px;
    border: 1px solid var(--border);
    box-shadow: 0 8px 30px rgba(0,0,0,0.04);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark-2);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    font-family: var(--font);
    font-size: 0.95rem;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: var(--gray-bg);
    transition: all 0.3s ease;
    color: var(--dark);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-light);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(26, 86, 219, 0.1);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.btn-submit {
    width: 100%;
    justify-content: center;
    font-size: 1.05rem;
    padding: 16px 32px;
}

.form-alert {
    margin-top: 16px;
    padding: 14px 20px;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 500;
    display: none;
}

.form-alert.success {
    display: block;
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.form-alert.error {
    display: block;
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ========== FOOTER ========== */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,0.7);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand img {
    height: 36px;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.6);
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
}

.footer-links li,
.footer-contact li {
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.footer-links a {
    color: rgba(255,255,255,0.6);
    transition: color 0.3s ease;
}

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

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-contact i {
    color: var(--primary-light);
    font-size: 0.9rem;
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.4);
}

/* ========== WHATSAPP FLOAT ========== */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: var(--whatsapp);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all 0.3s ease;
    animation: whatsappPulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
    color: #fff;
}

@keyframes whatsappPulse {
    0% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 35px rgba(37, 211, 102, 0.6); }
    100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .hero-content h1 { font-size: 3.2rem; }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: #fff;
        flex-direction: column;
        padding: 100px 32px 32px;
        gap: 24px;
        box-shadow: -4px 0 20px rgba(0,0,0,0.1);
        transition: right 0.3s ease;
        z-index: 999;
    }
    .nav-links.open { right: 0; }
    .nav-links a { color: var(--dark-3) !important; font-size: 1.1rem; }
    .nav-links a::after { display: none; }
    .nav-toggle { display: block; }
    .nav-cta { display: none; }

    .hero-content h1 { font-size: 2.5rem; }
    .hero-stats { flex-direction: column; gap: 24px; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; justify-content: center; }

    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .about-features { grid-template-columns: 1fr; }

    .services-grid { grid-template-columns: 1fr; }
    .section-header h2 { font-size: 2rem; }

    .contact-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .contact-form { padding: 24px; }

    .footer-grid { grid-template-columns: 1fr; }
    .clients-grid { gap: 16px; }
    .client-card { min-width: 140px; padding: 24px; }

    .cta-content h2 { font-size: 1.8rem; }

    .section { padding: 60px 0; }
    .about-image-card { padding: 32px; }
}

/* ========== LOADING STATE ========== */
.btn-submit.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn-submit.loading i {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}