/* =============================================
   KR Asesoría Contable
   ============================================= */

:root {
    --primary:      #6f7edb;
    --primary-dark: #5566c7;
    --accent:       #ff7361;
    --accent-dark:  #f5614a;
    --dark:         #1e2140;
    --gray:         #6c757d;
    --light:        #f8f9ff;
    --border:       #e8eaf6;
    --white:        #ffffff;
    --shadow:       0 4px 24px rgba(111, 126, 219, 0.14);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: #444;
    background: var(--white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; }
img { max-width: 100%; }

.kr-highlight { color: var(--primary); }

/* ---- NAVBAR ---- */
.kr-nav {
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
    padding: 18px 0;
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
}
.kr-nav.scrolled {
    border-bottom-color: var(--border);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
    padding: 12px 0;
}
.kr-nav .container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}
.kr-nav-brand img { height: 44px; display: block; }
.kr-nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}
.kr-nav-links a {
    color: var(--dark);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 14px;
    border-radius: 8px;
    transition: color 0.2s, background 0.2s;
}
.kr-nav-links a:hover { color: var(--primary); background: rgba(111, 126, 219, 0.06); }
.kr-btn-nav {
    background: var(--primary) !important;
    color: var(--white) !important;
    border-radius: 50px !important;
    padding: 9px 22px !important;
    font-weight: 600;
    margin-left: 8px;
    transition: background 0.2s, box-shadow 0.2s;
}
.kr-btn-nav:hover {
    background: var(--primary-dark) !important;
    box-shadow: 0 4px 16px rgba(111, 126, 219, 0.35);
}
.kr-nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    background: none;
    border: none;
}
.kr-nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: all 0.3s;
}

/* ---- HERO ---- */
.kr-hero {
    padding: 140px 0 80px;
    background: linear-gradient(150deg, #f8f9ff 0%, #edeffe 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}
.kr-hero .container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.kr-hero-tag {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    margin-bottom: 18px;
    display: block;
}
.kr-hero-title {
    font-size: 2.7rem;
    font-weight: 700;
    line-height: 1.22;
    color: var(--dark);
    margin-bottom: 20px;
}
.kr-hero-sub {
    font-size: 1.05rem;
    color: var(--gray);
    margin-bottom: 38px;
}
.kr-hero-sub strong { color: var(--primary); font-weight: 600; }
.kr-hero-cta {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
}
.kr-hero-note {
    font-size: 0.72rem;
    color: var(--gray);
    margin-top: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.kr-hero-img { text-align: center; }
.kr-hero-img img { max-height: 480px; }

/* ---- BUTTONS ---- */
.kr-btn-primary {
    background: var(--accent);
    color: var(--white);
    border-radius: 50px;
    padding: 14px 32px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 4px 16px rgba(255, 115, 97, 0.35);
}
.kr-btn-primary:hover {
    background: var(--accent-dark);
    color: var(--white);
    box-shadow: 0 6px 24px rgba(255, 115, 97, 0.45);
    transform: translateY(-2px);
}
.kr-btn-white {
    background: var(--white);
    color: var(--primary);
    border-radius: 50px;
    padding: 14px 36px;
    font-weight: 700;
    font-size: 1rem;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.25s;
}
.kr-btn-white:hover {
    background: #eef0fb;
    color: var(--primary-dark);
    transform: translateY(-2px);
}

/* ---- STATS ---- */
.kr-stats {
    background: var(--white);
    padding: 48px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.kr-stats .container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}
.kr-stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px 32px;
    border-right: 1px solid var(--border);
}
.kr-stat-item:last-child { border-right: none; }
.kr-stat-number {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 8px;
}
.kr-stat-label {
    font-size: 0.88rem;
    color: var(--gray);
    font-weight: 500;
    max-width: 180px;
}

/* ---- SECTIONS ---- */
.kr-section { padding: 96px 0; }
.kr-section-alt { background: var(--light); }

.kr-section .container,
.kr-section-alt .container,
.kr-cta .container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

.kr-section-tag {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    margin-bottom: 12px;
    display: block;
}
.kr-section-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.3;
    margin-bottom: 28px;
}
.kr-body-text {
    font-size: 0.95rem;
    color: #555;
    line-height: 1.85;
    margin-bottom: 14px;
}

/* ---- NOSOTROS ---- */
.kr-about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 72px;
    align-items: center;
}

/* ---- SERVICE CARDS ---- */
.kr-services-header { text-align: center; margin-bottom: 52px; }
.kr-cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.kr-card {
    background: var(--white);
    border-radius: 16px;
    padding: 32px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    box-shadow: 0 2px 12px rgba(111, 126, 219, 0.05);
}
.kr-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-4px);
    border-color: rgba(111, 126, 219, 0.3);
}
.kr-card-icon {
    width: 52px;
    height: 52px;
    background: rgba(111, 126, 219, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}
.kr-card-icon i { color: var(--primary); font-size: 1.3rem; }
.kr-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 18px;
}
.kr-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.kr-list li {
    padding: 7px 0 7px 20px;
    font-size: 0.88rem;
    color: #555;
    position: relative;
    border-bottom: 1px solid #f2f2f2;
}
.kr-list li:last-child { border-bottom: none; }
.kr-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
}

/* ---- CTA ---- */
.kr-cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 88px 0;
    text-align: center;
}
.kr-cta-title {
    color: var(--white);
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 14px;
}
.kr-cta-sub {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
    margin-bottom: 40px;
}

/* ---- FOOTER ---- */
.kr-footer {
    background: var(--dark);
    padding: 64px 0 0;
}
.kr-footer .container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 48px;
}
.kr-footer-logo {
    font-size: 1.9rem;
    font-weight: 800;
    color: var(--white);
    display: inline-block;
    margin-bottom: 16px;
    font-family: 'Inter', sans-serif;
}
.kr-footer-logo span { color: var(--primary); }
.kr-footer-text {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.8;
}
.kr-footer-link {
    color: rgba(255, 255, 255, 0.75);
    transition: color 0.2s;
}
.kr-footer-link:hover { color: var(--primary); }
.kr-footer-accent {
    color: var(--accent);
    font-weight: 700;
    font-size: 0.7rem;
    letter-spacing: 1px;
    display: block;
    margin-top: 4px;
}
.kr-footer-heading {
    color: var(--white);
    font-weight: 700;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 20px;
}
.kr-footer-nav {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.kr-footer-nav a {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.9rem;
    transition: color 0.2s;
}
.kr-footer-nav a:hover { color: var(--primary); }
.kr-social {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}
.kr-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.85rem;
    transition: all 0.2s;
}
.kr-social a:hover { background: var(--primary); color: var(--white); }
.kr-footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 20px 24px;
    margin-top: 52px;
    text-align: center;
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.3);
    max-width: 1140px;
    margin-left: auto;
    margin-right: auto;
}
.kr-footer-bottom a { color: rgba(255, 255, 255, 0.3); }

/* ---- WHATSAPP FLOAT ---- */
.kr-whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: #25d366;
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
    z-index: 999;
    transition: all 0.2s;
}
.kr-whatsapp-float:hover {
    color: var(--white);
    transform: scale(1.1);
    box-shadow: 0 6px 28px rgba(37, 211, 102, 0.55);
}

/* ---- BACK TO TOP ---- */
#kr-top-btn {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    border: none;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    cursor: pointer;
    z-index: 999;
    transition: all 0.2s;
    box-shadow: 0 2px 12px rgba(111, 126, 219, 0.4);
}
#kr-top-btn:hover { background: var(--primary-dark); transform: translateY(-2px); }
#kr-top-btn.visible { display: flex; }

/* ---- CONTACT PAGE ---- */
.kr-page-header {
    background: linear-gradient(150deg, #f8f9ff 0%, #edeffe 100%);
    padding: 140px 0 60px;
}
.kr-page-header .container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}
.kr-page-title {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}
.kr-breadcrumb {
    font-size: 0.88rem;
    color: var(--gray);
    display: flex;
    gap: 8px;
    list-style: none;
    padding: 0;
    align-items: center;
}
.kr-breadcrumb a { color: var(--primary); }
.kr-contact-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 80px;
    align-items: start;
}
.kr-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 6px;
    display: block;
}
.kr-input {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--dark);
    background: var(--white);
    transition: border-color 0.2s, box-shadow 0.2s;
    margin-bottom: 20px;
    display: block;
}
.kr-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(111, 126, 219, 0.12);
}
textarea.kr-input { resize: vertical; min-height: 140px; }
.kr-contact-item {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border);
}
.kr-contact-item:last-child { border-bottom: none; margin-bottom: 0; }
.kr-contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(111, 126, 219, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
    flex-shrink: 0;
}
.kr-contact-icon .fa-whatsapp { color: #25d366; }
.kr-contact-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray);
    margin-bottom: 4px;
}
.kr-contact-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark);
    display: block;
    margin-bottom: 4px;
    transition: color 0.2s;
}
.kr-contact-value:hover { color: var(--primary); }
.kr-contact-note {
    font-size: 0.72rem;
    color: var(--accent);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 991px) {
    .kr-nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%; left: 0; right: 0;
        background: var(--white);
        padding: 16px 24px 24px;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    }
    .kr-nav-links.open { display: flex; }
    .kr-nav-toggle { display: flex; }
    .kr-btn-nav { margin-left: 0; }

    .kr-hero { padding: 120px 0 60px; min-height: auto; }
    .kr-hero .container { grid-template-columns: 1fr; gap: 0; }
    .kr-hero-img { display: none; }
    .kr-hero-title { font-size: 2.1rem; }

    .kr-stats .container { grid-template-columns: 1fr; }
    .kr-stat-item { border-right: none; border-bottom: 1px solid var(--border); }
    .kr-stat-item:last-child { border-bottom: none; }

    .kr-about-grid { grid-template-columns: 1fr; }
    .kr-about-img { display: none; }

    .kr-cards-grid { grid-template-columns: 1fr; }

    .kr-footer .container { grid-template-columns: 1fr; gap: 32px; }

    .kr-section { padding: 64px 0; }
    .kr-section-title { font-size: 1.85rem; }
    .kr-cta-title { font-size: 1.85rem; }
    .kr-cta { padding: 64px 0; }

    .kr-contact-grid { grid-template-columns: 1fr; gap: 48px; }
    .kr-page-title { font-size: 2.2rem; }
    .kr-page-header { padding: 120px 0 48px; }
}

@media (max-width: 575px) {
    .kr-hero-title { font-size: 1.75rem; }
    .kr-section-title { font-size: 1.55rem; }
    .kr-cta-title { font-size: 1.55rem; }
    .kr-stat-number { font-size: 2.2rem; }
    .kr-btn-primary, .kr-btn-white { font-size: 0.95rem; padding: 13px 26px; }
}