/* ============================================================
   RENKU SPA CONSTRUCTORA — Custom Stylesheet
   Brand: #E8472A (coral red) | #00B8CC (cyan) | #2B2B2B (dark)
   ============================================================ */

/* ---------- CSS VARIABLES ---------- */
:root {
    --rk-red:       #E8472A;
    --rk-red-dark:  #c93a20;
    --rk-cyan:      #00B8CC;
    --rk-cyan-dark: #0099aa;
    --rk-dark:      #2B2B2B;
    --rk-dark-2:    #1e1e1e;
    --rk-gray:      #6c757d;
    --rk-light:     #f5f5f3;
    --rk-white:     #ffffff;
    --rk-border:    #e5e5e5;
    --rk-shadow:    0 4px 24px rgba(0,0,0,.10);
    --rk-shadow-lg: 0 8px 48px rgba(0,0,0,.16);
    --rk-radius:    12px;
    --rk-radius-sm: 6px;
    --ff-head:      'Montserrat', sans-serif;
    --ff-body:      'Inter', sans-serif;
    --transition:   all .3s ease;
}

/* ---------- BASE ---------- */
*, *::before, *::after { box-sizing: border-box; }

/* overflow-x en html evita que body cree un nuevo scroll container
   (que rompería position:fixed en Chrome/Edge/Safari) */
html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    overflow-x: clip;
}

body {
    font-family: var(--ff-body);
    color: var(--rk-dark);
    background: var(--rk-white);
    line-height: 1.7;
    overflow-x: hidden;
    overflow-x: clip;
}

h1,h2,h3,h4,h5,h6 {
    font-family: var(--ff-head);
    font-weight: 700;
    line-height: 1.25;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; }

/* Utility colours */
.text-rk-red  { color: var(--rk-red)  !important; }
.text-rk-cyan { color: var(--rk-cyan) !important; }

/* ---------- NAVBAR ---------- */
/* Fijado en la parte superior: evita transform en ancestros que rompa position:fixed */
#mainNavbar.rk-navbar,
.rk-navbar {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    transform: none !important;
    z-index: 1030;
    background: var(--rk-dark);
    padding: .75rem 0;
    transition: background .35s, padding .35s, box-shadow .35s;
    border-bottom: 3px solid var(--rk-red);
}

.rk-navbar.scrolled {
    background: rgba(27,27,27,.97);
    padding: .4rem 0;
    box-shadow: 0 2px 20px rgba(0,0,0,.35);
}

/* Logo del navbar con transición de tamaño al hacer scroll */
.rk-navbar .navbar-brand .rk-logo-img {
    height: 52px;
    width: auto;
    transition: height .35s ease;
    display: block;
}
.rk-navbar.scrolled .navbar-brand .rk-logo-img {
    height: 40px;
}

.rk-navbar .nav-link {
    font-family: var(--ff-head);
    font-size: .85rem;
    font-weight: 600;
    letter-spacing: .04em;
    color: rgba(255,255,255,.82) !important;
    padding: .4rem .75rem !important;
    border-radius: var(--rk-radius-sm);
    transition: var(--transition);
}

.rk-navbar .nav-link:hover,
.rk-navbar .nav-link.active {
    color: var(--rk-cyan) !important;
    background: rgba(0,184,204,.08);
}

/* Dropdown */
.rk-dropdown {
    background: var(--rk-dark-2);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: var(--rk-radius-sm);
    box-shadow: var(--rk-shadow-lg);
    min-width: 220px;
}

.rk-dropdown .dropdown-item {
    color: rgba(255,255,255,.78);
    font-size: .85rem;
    font-family: var(--ff-head);
    font-weight: 500;
    padding: .55rem 1.25rem;
    transition: var(--transition);
}

.rk-dropdown .dropdown-item:hover {
    background: rgba(0,184,204,.12);
    color: var(--rk-cyan);
}

.rk-dropdown .dropdown-divider { border-color: rgba(255,255,255,.08); }

/* ---------- BUTTONS ---------- */
.btn-rk-primary {
    background: var(--rk-red);
    color: var(--rk-white);
    border: 2px solid var(--rk-red);
    font-family: var(--ff-head);
    font-weight: 700;
    font-size: .85rem;
    letter-spacing: .04em;
    border-radius: 50px;
    transition: var(--transition);
}

.btn-rk-primary:hover, .btn-rk-primary:focus {
    background: var(--rk-red-dark);
    border-color: var(--rk-red-dark);
    color: var(--rk-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(232,71,42,.35);
}

.btn-rk-outline {
    background: transparent;
    color: var(--rk-white);
    border: 2px solid rgba(255,255,255,.5);
    font-family: var(--ff-head);
    font-weight: 700;
    font-size: .85rem;
    letter-spacing: .04em;
    border-radius: 50px;
    transition: var(--transition);
}

.btn-rk-outline:hover, .btn-rk-outline:focus {
    background: var(--rk-white);
    color: var(--rk-dark);
    border-color: var(--rk-white);
    transform: translateY(-2px);
}

.btn-rk-wa {
    background: #25D366;
    color: var(--rk-white);
    border: 2px solid #25D366;
    font-family: var(--ff-head);
    font-weight: 700;
    font-size: .85rem;
    letter-spacing: .04em;
    border-radius: 50px;
    transition: var(--transition);
}

.btn-rk-wa:hover {
    background: #1da851;
    border-color: #1da851;
    color: var(--rk-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37,211,102,.35);
}

/* ---------- HERO ---------- */
.rk-hero {
    position: relative;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--rk-dark-2) 0%, #3a2020 50%, #1e2a30 100%);
    background-size: cover;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.rk-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(27,27,27,.92) 0%,
        rgba(232,71,42,.15) 50%,
        rgba(0,184,204,.10) 100%
    );
    z-index: 1;
}

/* Isotipo desenfocado como fondo decorativo lado derecho */
.rk-hero-bg-logo {
    position: absolute;
    right: -5%;
    top: 50%;
    transform: translateY(-50%);
    width: 55%;
    height: 85%;
    background: url('../img/hero-bg-logo.png') center/contain no-repeat;
    opacity: .18;
    filter: blur(2px);
    z-index: 1;
    pointer-events: none;
}

.rk-hero-content {
    position: relative;
    z-index: 2;
    padding-top: 80px;
}

.rk-hero-badge {
    display: inline-block;
    background: rgba(0,184,204,.15);
    color: var(--rk-cyan);
    border: 1px solid rgba(0,184,204,.35);
    font-family: var(--ff-head);
    font-weight: 700;
    font-size: .75rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    padding: .35rem 1rem;
    border-radius: 50px;
    margin-bottom: 1.25rem;
}

.rk-hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 900;
    color: var(--rk-white);
    line-height: 1.05;
    margin-bottom: 1.25rem;
}

.rk-hero-subtitle {
    font-size: 1.1rem;
    color: rgba(255,255,255,.72);
    max-width: 520px;
    margin-bottom: 0;
}

.rk-hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.rk-scroll-arrow {
    color: rgba(255,255,255,.5);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
    display: block;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(8px); }
}

/* ---------- STATS BAR ---------- */
.rk-stats-bar {
    background: var(--rk-red);
    padding: 1.5rem 0;
}

.rk-stat-item {
    padding: 1rem;
    border-right: 1px solid rgba(255,255,255,.2);
}
.rk-stat-item:last-child { border-right: none; }

.rk-stat-number {
    font-family: var(--ff-head);
    font-size: 2.25rem;
    font-weight: 900;
    color: var(--rk-white);
    line-height: 1;
}

.rk-stat-label {
    font-size: .8rem;
    font-weight: 600;
    color: rgba(255,255,255,.8);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-top: .25rem;
}

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

.rk-section--dark {
    background: var(--rk-dark);
}

.rk-section--light {
    background: var(--rk-light);
}

.rk-section-badge {
    display: inline-block;
    background: rgba(232,71,42,.1);
    color: var(--rk-red);
    border: 1px solid rgba(232,71,42,.25);
    font-family: var(--ff-head);
    font-weight: 700;
    font-size: .72rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    padding: .3rem .9rem;
    border-radius: 50px;
    margin-bottom: .75rem;
}

.rk-section-title {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: var(--rk-dark);
    margin-bottom: .75rem;
}

.rk-section--dark .rk-section-title { color: var(--rk-white); }

.rk-section-subtitle {
    color: var(--rk-gray);
    font-size: 1.05rem;
    max-width: 560px;
    margin: 0 auto;
}

/* ---------- SERVICE CARDS ---------- */
.rk-service-card {
    background: var(--rk-white);
    border: 1px solid var(--rk-border);
    border-radius: var(--rk-radius);
    padding: 2rem 1.75rem;
    height: 100%;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.rk-service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--rk-red);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .35s ease;
}

.rk-service-card:hover {
    box-shadow: var(--rk-shadow-lg);
    transform: translateY(-6px);
    border-color: transparent;
}

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

.rk-service-icon {
    width: 60px;
    height: 60px;
    background: rgba(232,71,42,.1);
    color: var(--rk-red);
    border-radius: var(--rk-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 1.25rem;
}

.rk-service-icon--cyan {
    background: rgba(0,184,204,.1);
    color: var(--rk-cyan);
}

.rk-service-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: .6rem;
}

.rk-service-card p {
    color: var(--rk-gray);
    font-size: .92rem;
    margin-bottom: 1rem;
}

/* ---------- LINK ARROW ---------- */
.rk-link-arrow {
    font-family: var(--ff-head);
    font-size: .82rem;
    font-weight: 700;
    color: var(--rk-red);
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    letter-spacing: .04em;
}

.rk-link-arrow i { transition: transform .25s; }
.rk-link-arrow:hover { color: var(--rk-red-dark); }
.rk-link-arrow:hover i { transform: translateX(4px); }

/* ---------- ABOUT / QUIÉNES SOMOS ---------- */
.rk-about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.rk-about-card {
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: var(--rk-radius);
    padding: 1.5rem;
    transition: var(--transition);
}

.rk-about-card:hover { background: rgba(255,255,255,.1); }

.rk-about-card--accent {
    background: rgba(0,184,204,.08);
    border-color: rgba(0,184,204,.2);
}

.rk-about-card i {
    font-size: 1.75rem;
    color: var(--rk-cyan);
    margin-bottom: .75rem;
    display: block;
}

.rk-about-card h5 {
    color: var(--rk-white);
    font-size: .95rem;
    font-weight: 700;
    margin-bottom: .4rem;
}

.rk-about-card p {
    color: rgba(255,255,255,.6);
    font-size: .85rem;
    margin: 0;
}

.rk-badge-rncsv {
    display: flex;
    align-items: flex-start;
    gap: .5rem;
    background: rgba(0,184,204,.08);
    border: 1px solid rgba(0,184,204,.25);
    border-radius: var(--rk-radius);
    padding: 1rem 1.25rem;
}

/* ---------- PROJECT CARDS ---------- */
.rk-project-card {
    background: var(--rk-white);
    border-radius: var(--rk-radius);
    overflow: hidden;
    box-shadow: var(--rk-shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.rk-project-card:hover {
    box-shadow: var(--rk-shadow-lg);
    transform: translateY(-6px);
}

.rk-project-img-wrap {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
    background: var(--rk-light);
}

.rk-project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}

.rk-project-card:hover .rk-project-img { transform: scale(1.06); }

.rk-project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(27,27,27,.75) 0%, transparent 60%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-start;
    padding: 1rem;
    opacity: 0;
    transition: opacity .35s;
}

.rk-project-card:hover .rk-project-overlay { opacity: 1; }

.rk-project-zoom {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    color: var(--rk-white);
    font-size: 2.5rem;
    opacity: 0;
    transition: opacity .35s;
}

.rk-project-card:hover .rk-project-zoom { opacity: 1; }

.rk-project-cat {
    background: var(--rk-red);
    color: var(--rk-white);
    font-family: var(--ff-head);
    font-size: .72rem;
    font-weight: 700;
    padding: .25rem .65rem;
    border-radius: 50px;
    letter-spacing: .06em;
}

.rk-project-body {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.rk-project-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: .6rem;
}

.rk-project-tag {
    font-family: var(--ff-head);
    font-size: .7rem;
    font-weight: 700;
    color: var(--rk-red);
    text-transform: uppercase;
    letter-spacing: .06em;
}

.rk-project-year {
    font-size: .78rem;
    color: var(--rk-gray);
}

.rk-project-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: .5rem;
    color: var(--rk-dark);
}

.rk-project-desc {
    font-size: .88rem;
    color: var(--rk-gray);
    margin-bottom: .75rem;
    flex: 1;
}

/* ---------- FILTER TABS ---------- */
.rk-filter-btn {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    background: var(--rk-white);
    color: var(--rk-dark);
    border: 2px solid var(--rk-border);
    font-family: var(--ff-head);
    font-weight: 600;
    font-size: .82rem;
    padding: .5rem 1.15rem;
    border-radius: 50px;
    transition: var(--transition);
    letter-spacing: .04em;
}

.rk-filter-btn:hover {
    border-color: var(--rk-cyan);
    color: var(--rk-cyan);
}

.rk-filter-btn.active {
    background: var(--rk-red);
    color: var(--rk-white);
    border-color: var(--rk-red);
    box-shadow: 0 4px 14px rgba(232,71,42,.3);
}

/* ---------- PROCESS STEPS ---------- */
.rk-step {
    text-align: center;
    padding: 1.5rem 1rem;
    position: relative;
}

.rk-step-num {
    font-family: var(--ff-head);
    font-size: 3rem;
    font-weight: 900;
    color: var(--rk-red);
    opacity: .15;
    line-height: 1;
    margin-bottom: .5rem;
}

.rk-step h5 {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: .5rem;
}

.rk-step p { color: var(--rk-gray); font-size: .9rem; }

/* ---------- RENKU HOMES PROMO ---------- */
.rk-homes-promo {
    background: linear-gradient(135deg, #0d1b2a 0%, #1a2635 60%, #0f1e2c 100%);
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.rk-homes-promo::before {
    content: '';
    position: absolute;
    top: -120px;
    left: -120px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0,184,204,.08) 0%, transparent 70%);
    pointer-events: none;
}

.rk-homes-logo {
    max-height: 64px;
    width: auto;
    /* background transparente: no agregar background aquí */
}

.rk-homes-title {
    font-family: var(--ff-head);
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: var(--rk-white);
    line-height: 1.2;
    margin-bottom: 1.25rem;
}

.rk-homes-title span {
    color: var(--rk-cyan);
}

.rk-homes-text {
    color: rgba(255,255,255,.72);
    font-size: 1rem;
    line-height: 1.75;
    max-width: 480px;
}

.btn-rk-outline-dark {
    background: transparent;
    color: var(--rk-white);
    border: 2px solid rgba(255,255,255,.4);
    font-family: var(--ff-head);
    font-weight: 700;
    font-size: .85rem;
    letter-spacing: .04em;
    border-radius: 50px;
    transition: var(--transition);
}

.btn-rk-outline-dark:hover {
    background: rgba(255,255,255,.1);
    border-color: var(--rk-cyan);
    color: var(--rk-cyan);
}

.rk-homes-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.rk-homes-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: var(--rk-radius);
    padding: 1.25rem 1.5rem;
    transition: var(--transition);
}

.rk-homes-feature-item:hover {
    background: rgba(0,184,204,.07);
    border-color: rgba(0,184,204,.25);
    transform: translateX(4px);
}

.rk-homes-feature-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: 10px;
    background: rgba(0,184,204,.15);
    color: var(--rk-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.rk-homes-feature-icon--red {
    background: rgba(232,71,42,.15);
    color: var(--rk-red);
}

.rk-homes-feature-item h5 {
    color: var(--rk-white);
    font-size: .95rem;
    font-weight: 700;
    margin-bottom: .25rem;
}

.rk-homes-feature-item p {
    color: rgba(255,255,255,.6);
    font-size: .875rem;
    margin: 0;
    line-height: 1.5;
}

/* ---------- CTA BANNER ---------- */
.rk-cta-banner {
    background: linear-gradient(135deg, var(--rk-dark) 0%, #2a1a16 100%);
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.rk-cta-banner::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(232,71,42,.15) 0%, transparent 70%);
}

.rk-cta-homes-logo {
    max-height: 48px;
    width: auto;
    opacity: .9;
    display: block;
    margin: 0 auto .75rem;
}

.rk-cta-title {
    color: var(--rk-white);
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 900;
    margin-bottom: .75rem;
}

.rk-cta-text {
    color: rgba(255,255,255,.7);
    font-size: 1.05rem;
    max-width: 520px;
    margin: 0 auto;
}

/* ---------- PAGE HEADER ---------- */
.rk-page-header {
    background: var(--rk-dark);
    padding: 8rem 0 3.5rem;
    position: relative;
}

.rk-page-header-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(232,71,42,.12) 0%, rgba(0,184,204,.08) 100%);
}

.rk-page-header-title {
    color: var(--rk-white);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    margin-bottom: 1rem;
}

.rk-page-header .breadcrumb { background: none; padding: 0; }
.rk-page-header .breadcrumb-item a { color: rgba(255,255,255,.55); }
.rk-page-header .breadcrumb-item a:hover { color: var(--rk-cyan); }
.rk-page-header .breadcrumb-item.active { color: rgba(255,255,255,.85); }
.rk-page-header .breadcrumb-item + .breadcrumb-item::before { color: rgba(255,255,255,.35); }

/* ---------- CONTACT PAGE ---------- */
.rk-contact-info-list { display: flex; flex-direction: column; gap: 1.25rem; }

.rk-contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.rk-contact-info-icon {
    width: 44px;
    height: 44px;
    background: rgba(232,71,42,.1);
    color: var(--rk-red);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.rk-contact-info-icon--cyan {
    background: rgba(0,184,204,.1);
    color: var(--rk-cyan);
}

.rk-form-card {
    background: var(--rk-white);
    border: 1px solid var(--rk-border);
    border-radius: var(--rk-radius);
    padding: 2.5rem 2rem;
    box-shadow: var(--rk-shadow);
}

.rk-input {
    border: 1.5px solid var(--rk-border);
    border-radius: var(--rk-radius-sm);
    padding: .75rem 1rem;
    font-family: var(--ff-body);
    font-size: .95rem;
    transition: border-color .25s, box-shadow .25s;
    width: 100%;
}

.rk-input:focus {
    outline: none;
    border-color: var(--rk-cyan);
    box-shadow: 0 0 0 3px rgba(0,184,204,.12);
}

.rk-map-wrap { min-height: 380px; }

.rk-alert-success {
    background: rgba(0,184,204,.08);
    border: 1px solid rgba(0,184,204,.3);
    color: var(--rk-dark);
    border-radius: var(--rk-radius);
    padding: 1.25rem 1.5rem;
}

/* ---------- ABOUT PAGE ---------- */
.rk-about-image-wrap {
    position: relative;
    display: inline-block;
    width: 100%;
}

.rk-founded-badge {
    position: absolute;
    bottom: -1rem;
    right: -1rem;
    background: var(--rk-red);
    color: var(--rk-white);
    padding: 1.25rem 1.5rem;
    border-radius: var(--rk-radius);
    text-align: center;
    box-shadow: var(--rk-shadow-lg);
}

.rk-founded-year {
    display: block;
    font-family: var(--ff-head);
    font-size: 2rem;
    font-weight: 900;
    line-height: 1;
}

.rk-founded-text {
    display: block;
    font-size: .75rem;
    font-weight: 600;
    opacity: .85;
    margin-top: .2rem;
}

/* MVV Cards */
.rk-mvv-card {
    background: var(--rk-white);
    border: 1px solid var(--rk-border);
    border-radius: var(--rk-radius);
    padding: 2rem 1.75rem;
    height: 100%;
    transition: var(--transition);
    text-align: center;
}

.rk-mvv-card:hover {
    box-shadow: var(--rk-shadow-lg);
    transform: translateY(-4px);
}

.rk-mvv-card--accent {
    border-color: var(--rk-red);
    border-top-width: 3px;
}

.rk-mvv-icon {
    width: 64px;
    height: 64px;
    background: rgba(232,71,42,.1);
    color: var(--rk-red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin: 0 auto 1.25rem;
}

/* ---------- FOOTER ---------- */
.rk-footer {
    background: var(--rk-dark-2);
    color: rgba(255,255,255,.75);
    padding: 4rem 0 0;
}

.rk-footer-title {
    font-family: var(--ff-head);
    font-size: .8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--rk-white);
    margin-bottom: 1rem;
}

.rk-footer-links { list-style: none; padding: 0; margin: 0; }

.rk-footer-links li { margin-bottom: .4rem; }

.rk-footer-links a {
    color: rgba(255,255,255,.55);
    font-size: .88rem;
    transition: var(--transition);
}

.rk-footer-links a:hover { color: var(--rk-cyan); padding-left: 4px; }

.rk-footer-contact { list-style: none; padding: 0; margin: 0; }

.rk-footer-contact li {
    margin-bottom: .6rem;
    font-size: .88rem;
    color: rgba(255,255,255,.55);
    display: flex;
    align-items: flex-start;
    gap: .25rem;
}

.rk-footer-contact a { color: rgba(255,255,255,.55); }
.rk-footer-contact a:hover { color: var(--rk-cyan); }

.rk-footer-bottom {
    border-top: 1px solid rgba(255,255,255,.07);
    margin-top: 3rem;
    padding: 1.25rem 0;
}

/* Social icons */
.rk-social-icon {
    width: 38px;
    height: 38px;
    background: rgba(255,255,255,.07);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,.65);
    font-size: 1.1rem;
    transition: var(--transition);
}

.rk-social-icon:hover {
    background: var(--rk-red);
    border-color: var(--rk-red);
    color: var(--rk-white);
    transform: translateY(-3px);
}

.rk-social-icon--lg {
    width: 46px;
    height: 46px;
    font-size: 1.3rem;
}

/* ---------- FLOATING BUTTONS ---------- */
.rk-float-btn {
    position: fixed;
    z-index: 1050;
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: 1.35rem;
    padding: .75rem 1rem;
    border-radius: 50px;
    box-shadow: 0 4px 20px rgba(0,0,0,.25);
    transition: var(--transition);
    color: var(--rk-white);
    overflow: hidden;
    max-width: 54px;
}

.rk-float-btn:hover {
    max-width: 180px;
    color: var(--rk-white);
}

.rk-float-label {
    font-family: var(--ff-head);
    font-weight: 700;
    font-size: .8rem;
    white-space: nowrap;
    letter-spacing: .04em;
    opacity: 0;
    transition: opacity .3s .05s;
}

.rk-float-btn:hover .rk-float-label { opacity: 1; }

.rk-float-wa {
    bottom: 1.75rem;
    right: 1.5rem;
    background: #25D366;
    animation: pulse-wa 2.5s infinite;
}

.rk-float-wa:hover { animation: none; box-shadow: 0 6px 28px rgba(37,211,102,.5); }

.rk-float-ig {
    bottom: 5.5rem;
    right: 1.5rem;
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
}

.rk-float-ig:hover { box-shadow: 0 6px 28px rgba(220,39,67,.45); }

@keyframes pulse-wa {
    0%   { box-shadow: 0 0 0 0 rgba(37,211,102,.55); }
    70%  { box-shadow: 0 0 0 12px rgba(37,211,102,0); }
    100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 991.98px) {
    .rk-navbar .navbar-collapse {
        background: var(--rk-dark-2);
        padding: 1rem;
        border-radius: var(--rk-radius);
        margin-top: .5rem;
    }
    .rk-navbar .nav-link { padding: .5rem .75rem !important; }
    .rk-about-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767.98px) {
    .rk-section { padding: 3.5rem 0; }
    .rk-hero-title { font-size: 2.25rem; }
    .rk-hero-bg-logo {
        right: -45%;
        width: 120%;
        height: 70%;
        opacity: .12;
        filter: blur(3px);
    }
    .rk-about-grid { grid-template-columns: 1fr; }
    .rk-stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,.2); }
    .rk-stat-item:last-child { border-bottom: none; }
    .rk-form-card { padding: 1.5rem 1rem; }
    .rk-founded-badge { right: 0; bottom: -1.5rem; }
    .rk-float-btn { padding: .7rem; border-radius: 50%; }
    .rk-float-label { display: none; }
    .rk-float-btn:hover { max-width: 54px; }
}

@media (max-width: 575.98px) {
    .rk-stat-item { padding: .75rem; }
    .rk-stat-number { font-size: 1.75rem; }
    .rk-cta-banner { padding: 3.5rem 0; }
    .rk-page-header { padding: 7rem 0 2.5rem; }
}