/*
 Theme Name:   InteriorAR Child Theme
 Theme URI:    https://interiorar.com
 Description:  Child theme personalizado de GeneratePress con diseño tech/startup moderno
 Author:       InteriorAR
 Author URI:   https://interiorar.com
 Template:     generatepress
 Version:      1.0.0
 License:      GNU General Public License v2 or later
 License URI:  http://www.gnu.org/licenses/gpl-2.0.html
 Text Domain:  interiorar-child
*/

/* ==========================================================================
   CSS Variables - Paleta de colores personalizada
   ========================================================================== */
:root {
    --void: #000;
    --near: #0f1011;
    --card: #141618;
    --line: #1e2226;
    --muted: #3a4149;
    --dim: #6c7a89;
    --soft: #a8b4bf;
    --white: #f0ede8;
    --cream: #ede9e0;
    --fire: #ff5c1a;
    --ember: #ff7a3d;
    --w: 1280px;
    --px: 56px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--void);
    color: var(--white);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 15px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

body.noscroll {
    overflow: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

/* ==========================================================================
   Contenedor Principal
   ========================================================================== */
.wrap {
    max-width: var(--w);
    margin: 0 auto;
    padding: 0 var(--px);
}

@media (max-width: 768px) {
    :root {
        --px: 24px;
    }
}

/* ==========================================================================
   Animaciones
   ========================================================================== */
@keyframes ticker-move {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-16px); }
}

@keyframes blink {
    0%, 45%, 55%, 100% { opacity: 1; }
    49%, 51% { opacity: 0; }
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 92, 26, 0.35); }
    50% { box-shadow: 0 0 0 12px rgba(255, 92, 26, 0); }
}

@keyframes glow-cat {
    0%, 100% {
        filter: drop-shadow(0 0 60px rgba(255, 92, 26, 0.35)) 
                drop-shadow(0 0 20px rgba(255, 92, 26, 0.2));
    }
    50% {
        filter: drop-shadow(0 0 80px rgba(255, 92, 26, 0.55)) 
                drop-shadow(0 0 30px rgba(255, 92, 26, 0.3));
    }
}

@keyframes glitch-main {
    0%, 85%, 100% {
        transform: none;
        clip-path: none;
        filter: drop-shadow(0 0 60px rgba(255, 92, 26, 0.35)) 
                drop-shadow(0 0 20px rgba(255, 92, 26, 0.2));
    }
    86% {
        transform: translateX(-10px);
        clip-path: polygon(0 8%, 100% 8%, 100% 28%, 0 28%);
        filter: hue-rotate(90deg) saturate(2);
    }
    87% {
        transform: translateX(10px);
        clip-path: polygon(0 55%, 100% 55%, 100% 78%, 0 78%);
        filter: none;
    }
    88% {
        transform: none;
        clip-path: none;
    }
    90% {
        transform: translateX(-6px);
        clip-path: polygon(0 38%, 100% 38%, 100% 52%, 0 52%);
        filter: hue-rotate(180deg);
    }
    91% {
        transform: none;
        clip-path: none;
        filter: none;
    }
    94% {
        transform: translateX(8px);
        clip-path: polygon(0 4%, 100% 4%, 100% 18%, 0 18%);
        filter: saturate(3) hue-rotate(45deg);
    }
    95% {
        transform: none;
        clip-path: none;
        filter: none;
    }
}

/* Scroll Reveal */
.sr {
    opacity: 0;
    transform: translateY(36px);
    transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
}

.sr.in {
    opacity: 1;
    transform: none;
}

.sr[data-d="1"].in { transition-delay: 0.08s; }
.sr[data-d="2"].in { transition-delay: 0.16s; }
.sr[data-d="3"].in { transition-delay: 0.24s; }
.sr[data-d="4"].in { transition-delay: 0.32s; }

/* ==========================================================================
   Navegación
   ========================================================================== */
.site-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: rgba(0, 0, 0, 0.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line);
    z-index: 500;
    display: flex;
    align-items: center;
}

.site-nav .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--white);
    text-decoration: none;
}

.logo-dot {
    width: 7px;
    height: 7px;
    background: var(--fire);
    border-radius: 50%;
    flex-shrink: 0;
    animation: blink 3s ease-in-out infinite;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-links a {
    padding: 7px 14px;
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--dim);
    text-decoration: none;
    border: 1px solid transparent;
    transition: all 0.15s;
}

.nav-links a:hover {
    color: var(--white);
    border-color: var(--line);
}

.nav-cta {
    background: var(--fire) !important;
    border-color: var(--fire) !important;
    color: #000 !important;
    font-weight: 700 !important;
}

.nav-cta:hover {
    background: var(--ember) !important;
    border-color: var(--ember) !important;
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 56px;
        left: 0;
        right: 0;
        background: var(--near);
        padding: 20px;
        border-bottom: 1px solid var(--line);
    }
}

/* ==========================================================================
   Ticker / Banner Superior
   ========================================================================== */
.ticker {
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    height: 30px;
    background: var(--fire);
    overflow: hidden;
    display: flex;
    align-items: center;
    z-index: 499;
}

.ticker-track {
    display: flex;
    white-space: nowrap;
    animation: ticker-move 38s linear infinite;
}

.t-item {
    padding: 0 32px;
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 700;
    font-size: 9px;
    letter-spacing: 0.26em;
    text-transform: uppercase;
    color: #000;
}

.t-sep {
    padding: 0;
    margin: 0 -20px;
    opacity: 0.3;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    min-height: 100vh;
    padding-top: 86px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--void);
    overflow: hidden;
}

.hero-left {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 72px var(--px) 72px calc((100vw - var(--w)) / 2 + var(--px));
}

.tag-line {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 10px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--fire);
    margin-bottom: 28px;
}

.tag-line::before {
    content: '';
    display: block;
    width: 24px;
    height: 1px;
    background: var(--fire);
    flex-shrink: 0;
}

.hero-h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(44px, 5.8vw, 84px);
    line-height: 0.9;
    letter-spacing: -0.035em;
    text-transform: uppercase;
    margin-bottom: 32px;
}

.hero-h1 .faint { display: block; color: var(--muted); }
.hero-h1 .accent { display: block; color: var(--fire); }
.hero-h1 .bright { display: block; color: var(--white); }

.hero-body {
    max-width: 500px;
    padding-left: 18px;
    border-left: 2px solid var(--line);
    font-size: 14px;
    line-height: 1.85;
    color: var(--dim);
    margin-bottom: 40px;
}

.hero-body strong {
    color: var(--soft);
}

/* Hero Form */
.form-hint {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 10px;
    letter-spacing: 0.26em;
    text-transform: uppercase;
    color: var(--dim);
    margin-bottom: 12px;
}

.hint-dot {
    width: 5px;
    height: 5px;
    background: var(--fire);
    border-radius: 50%;
    flex-shrink: 0;
    animation: blink 2s infinite;
}

.hero-form {
    max-width: 480px;
    background: var(--near);
    border: 1px solid var(--line);
    padding: 24px;
}

.hero-form:focus-within {
    border-color: rgba(255, 92, 26, 0.35);
}

.input-row {
    display: flex;
}

.f-email {
    flex: 1;
    min-width: 0;
    padding: 14px 16px;
    background: var(--void);
    border: 1px solid var(--muted);
    border-right: none;
    color: var(--white);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 13px;
    outline: none;
    transition: border-color 0.15s;
}

.f-email::placeholder {
    color: var(--muted);
}

.f-email:focus {
    border-color: var(--fire);
}

.f-btn {
    flex-shrink: 0;
    padding: 14px 22px;
    background: var(--fire);
    border: 1px solid var(--fire);
    color: #000;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.15s;
    animation: pulse 3s 2s infinite;
}

.f-btn:hover {
    background: var(--ember);
    border-color: var(--ember);
}

.gdpr {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-top: 14px;
    font-size: 11px;
    line-height: 1.55;
    color: var(--dim);
    cursor: pointer;
}

.gdpr a {
    color: rgba(255, 92, 26, 0.75);
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 92, 26, 0.2);
}

.g-check {
    flex-shrink: 0;
    width: 13px;
    height: 13px;
    margin-top: 1px;
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    border: 1px solid var(--muted);
    cursor: pointer;
    position: relative;
}

.g-check:checked {
    background: var(--fire);
    border-color: var(--fire);
}

.g-check:checked::after {
    content: '\2713';
    position: absolute;
    top: -2px;
    left: 1px;
    font-size: 10px;
    font-weight: 900;
    color: #000;
}

.fine {
    font-size: 10px;
    letter-spacing: 0.06em;
    color: var(--muted);
    margin-top: 10px;
}

/* Hero Right - Imagen */
.hero-right {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--void);
    overflow: hidden;
}

.hero-right::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 80px;
    background: linear-gradient(transparent, var(--void));
    z-index: 10;
}

.hero-cat-wrapper {
    position: relative;
    width: 90%;
    max-width: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: crosshair;
}

.hero-cat {
    width: 100%;
    height: auto;
    object-fit: contain;
    z-index: 2;
    filter: drop-shadow(0 0 60px rgba(255, 92, 26, 0.5)) 
            drop-shadow(0 0 25px rgba(255, 92, 26, 0.3));
}

.glitch-container {
    position: relative;
}

.glitch-effect {
    animation: float 7s ease-in-out infinite;
}

.glitch-container:hover .glitch-effect {
    animation: float 7s ease-in-out infinite, glitch-main 2s steps(1) infinite;
}

@media (max-width: 992px) {
    .hero {
        grid-template-columns: 1fr;
    }
    
    .hero-left {
        padding: 100px var(--px) 60px;
    }
    
    .hero-right {
        min-height: 400px;
    }
}

/* ==========================================================================
   Manifesto Section
   ========================================================================== */
.manifesto {
    background: var(--near);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.manifesto .wrap {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-left: 1px solid var(--line);
}

.m-col {
    padding: 52px 44px;
    border-right: 1px solid var(--line);
}

.m-n {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 64px;
    line-height: 1;
    letter-spacing: -0.04em;
    color: var(--fire);
    margin-bottom: 20px;
}

.m-title {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 14px;
}

.m-body {
    font-size: 13.5px;
    line-height: 1.82;
    color: #8fa0b0;
}

.m-body strong {
    color: var(--white);
}

@media (max-width: 992px) {
    .manifesto .wrap {
        grid-template-columns: 1fr;
    }
    
    .m-col {
        border-bottom: 1px solid var(--line);
    }
    
    .m-col:last-child {
        border-bottom: none;
    }
}

/* ==========================================================================
   Origin Section
   ========================================================================== */
.origin {
    background: var(--void);
    border-bottom: 1px solid var(--line);
    padding: 100px 0;
}

.origin-center {
    max-width: 780px;
    margin: 0 auto;
    text-align: center;
}

.section-tag {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 10px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--fire);
    margin-bottom: 22px;
}

.section-tag::before,
.section-tag::after {
    content: '';
    display: block;
    width: 22px;
    height: 1px;
    background: var(--fire);
    flex-shrink: 0;
}

.origin-h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(28px, 3.2vw, 52px);
    line-height: 0.95;
    letter-spacing: -0.03em;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 28px;
}

.origin-h2 em {
    font-style: normal;
    color: var(--fire);
}

.origin-p {
    text-align: left;
    font-size: 14px;
    line-height: 1.85;
    color: var(--dim);
    margin-bottom: 14px;
}

.origin-p strong {
    color: var(--soft);
}

.callout {
    text-align: left;
    padding: 24px 28px;
    background: var(--card);
    border-left: 3px solid var(--fire);
    font-size: 14px;
    line-height: 1.8;
    color: var(--soft);
    margin: 32px 0;
}

.callout strong {
    color: var(--white);
}

/* ==========================================================================
   Territories Section
   ========================================================================== */
.territories {
    background: var(--near);
    border-bottom: 1px solid var(--line);
    padding: 100px 0;
}

.sec-head {
    margin-bottom: 64px;
}

.sec-h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(28px, 3.2vw, 52px);
    line-height: 0.95;
    letter-spacing: -0.03em;
    text-transform: uppercase;
}

.sec-sub {
    font-size: 10px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--fire);
    margin-top: 10px;
}

.t-list {
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--line);
}

.t-row {
    display: grid;
    grid-template-columns: 160px 1fr 48px;
    gap: 0;
    padding: 24px 0;
    align-items: start;
    border-bottom: 1px solid var(--line);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.t-row.visible {
    opacity: 1;
}

.t-terr {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding-top: 3px;
    padding-right: 24px;
    white-space: nowrap;
}

.c-gold { color: #e8b84b; }
.c-blue { color: #7dc8f5; }
.c-purple { color: #b07fff; }
.c-green { color: #8fd14f; }
.c-white { color: var(--soft); }

.t-title {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 16px;
    letter-spacing: -0.01em;
    color: var(--white);
    margin-bottom: 5px;
    min-height: 24px;
}

.t-body {
    font-size: 12px;
    line-height: 1.65;
    color: var(--dim);
    min-height: 18px;
}

.t-idx {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 11px;
    color: var(--muted);
    padding-top: 5px;
    padding-left: 16px;
    text-align: right;
}

@media (max-width: 768px) {
    .t-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .t-idx {
        display: none;
    }
}

/* ==========================================================================
   Why Section
   ========================================================================== */
.why {
    background: var(--void);
    border-bottom: 1px solid var(--line);
    padding: 100px 0;
}

.why-header {
    margin-bottom: 52px;
}

.why-h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(28px, 3.2vw, 52px);
    line-height: 0.95;
    letter-spacing: -0.03em;
    text-transform: uppercase;
}

.why-h2 span {
    color: var(--fire);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--line);
}

.why-card {
    background: var(--card);
    padding: 36px 32px;
    transition: background 0.15s;
}

.why-card:hover {
    background: #1a1e22;
}

.wn {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 44px;
    line-height: 1;
    letter-spacing: -0.04em;
    color: var(--fire);
    margin-bottom: 18px;
}

.why-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 10px;
}

.why-card p {
    font-size: 13px;
    line-height: 1.82;
    color: var(--dim);
}

.why-card-quote {
    font-style: italic;
    font-size: 12px;
    line-height: 1.6;
    color: rgba(255, 92, 26, 0.7);
    margin-top: 12px;
}

@media (max-width: 992px) {
    .why-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Mid CTA Section
   ========================================================================== */
.mid-cta {
    background: var(--fire);
    padding: 80px 0;
}

.mid-cta .wrap {
    max-width: 820px;
    text-align: center;
}

.mid-h {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(28px, 4vw, 56px);
    line-height: 0.95;
    letter-spacing: -0.03em;
    text-transform: uppercase;
    color: #000;
    margin-bottom: 24px;
}

.mid-p {
    font-size: 14px;
    line-height: 1.75;
    color: rgba(0, 0, 0, 0.7);
    margin-bottom: 32px;
}

.mid-btn {
    display: inline-block;
    padding: 16px 40px;
    background: #000;
    color: var(--white);
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 12px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    text-decoration: none;
    transition: background 0.15s, transform 0.15s;
}

.mid-btn:hover {
    background: var(--near);
    transform: translateY(-2px);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background: var(--void);
    border-top: 1px solid var(--line);
    padding: 60px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .nav-logo {
    margin-bottom: 16px;
}

.footer-desc {
    font-size: 13px;
    line-height: 1.7;
    color: var(--dim);
    max-width: 280px;
}

.footer-col h4 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 11px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 20px;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 10px;
}

.footer-col a {
    font-size: 13px;
    color: var(--dim);
    text-decoration: none;
    transition: color 0.15s;
}

.footer-col a:hover {
    color: var(--fire);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 32px;
    border-top: 1px solid var(--line);
}

.footer-copy {
    font-size: 11px;
    color: var(--muted);
}

.footer-socials {
    display: flex;
    gap: 16px;
}

.footer-socials a {
    color: var(--dim);
    transition: color 0.15s;
}

.footer-socials a:hover {
    color: var(--fire);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

/* ==========================================================================
   Acumbamail Form Styles
   ========================================================================== */
.acumbamail-form {
    max-width: 480px;
}

.acumbamail-form .input-row {
    display: flex;
}

.acumbamail-form input[type="email"] {
    flex: 1;
    min-width: 0;
    padding: 14px 16px;
    background: var(--void);
    border: 1px solid var(--muted);
    border-right: none;
    color: var(--white);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 13px;
    outline: none;
    transition: border-color 0.15s;
}

.acumbamail-form input[type="email"]:focus {
    border-color: var(--fire);
}

.acumbamail-form button[type="submit"] {
    flex-shrink: 0;
    padding: 14px 22px;
    background: var(--fire);
    border: 1px solid var(--fire);
    color: #000;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background 0.15s;
}

.acumbamail-form button[type="submit"]:hover {
    background: var(--ember);
    border-color: var(--ember);
}

/* ==========================================================================
   WordPress Specific Overrides
   ========================================================================== */

/* Remove GeneratePress defaults */
.site-header,
.main-navigation,
#primary-menu,
.site-branding {
    display: none !important;
}

/* Page template full width */
.page-template-template-landing .site-content,
.page-template-template-landing .content-area,
.page-template-template-landing .site-main,
.page-template-template-landing article {
    width: 100%;
    max-width: none;
    padding: 0;
    margin: 0;
}

/* Entry content reset */
.entry-content {
    margin: 0;
    padding: 0;
}

/* Admin bar adjustment */
body.admin-bar .site-nav {
    top: 32px;
}

body.admin-bar .ticker {
    top: 88px;
}

@media (max-width: 782px) {
    body.admin-bar .site-nav {
        top: 46px;
    }
    
    body.admin-bar .ticker {
        top: 102px;
    }
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.text-fire { color: var(--fire); }
.text-white { color: var(--white); }
.text-dim { color: var(--dim); }
.text-muted { color: var(--muted); }

.bg-void { background: var(--void); }
.bg-near { background: var(--near); }
.bg-card { background: var(--card); }
.bg-fire { background: var(--fire); }

.hidden { display: none; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}