/* VirtualCrush Landing Page - Mobile First CSS */

/* ========================================
   CSS VARIABLES (Design Tokens from Figma)
   ======================================== */
:root {
    /* Colors */
    --color-blanc: #ffffff;
    --color-primary: #bb46d8;
    --color-accent: #3dd1e6;
    --color-background: #000c0c;
    --color-background-alt: #010202;
    --color-text-muted: #666666;
    --color-text-white: #ffffff;
    --color-text-white-70: rgba(255, 255, 255, 0.7);
    
    /* Spacing */
    --space-0: 0px;
    --space-450: 36px;
    
    /* Typography */
    --font-poppins: 'Poppins', sans-serif;
    --font-lexend: 'Lexend Exa', sans-serif;
    --font-inter: 'Inter', sans-serif;
    
    /* Border radius */
    --radius-sm: 10px;
    --radius-md: 20px;
    --radius-lg: 40px;
    --radius-full: 100px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-poppins);
    background-color: var(--color-background-alt);
    color: var(--color-text-white);
    line-height: 1.5;
    overflow-x: hidden;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ========================================
   LAYOUT
   ======================================== */
.landing-container {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 44px 18px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

@media (min-width: 1024px) {
    .landing-container {
        padding: 62px 121px;
        gap: 55px;
    }
}

/* ========================================
   HEADER
   ======================================== */
.header {
    position: relative;
    padding: 2px;
    background: linear-gradient(180deg, #3DD1E6 0%, #BB46D8 83%);
    border-radius: var(--radius-sm);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px;
    border-radius: var(--radius-sm);
    background: var(--color-background-alt);
    overflow: hidden;
}

@media (min-width: 1024px) {
    .header {
        border-radius: var(--radius-md);
    }

    .header-content {
        padding: 18px 38px;
        border-radius: var(--radius-md);
    }
}

.logo {
    width: 100%;
    max-width: 160px;
}

@media (min-width: 1024px) {
    .logo {
        max-width: 320px;
    }
}

.header-right {
    display: flex;
    align-items: center;
    gap: 26px;
}

.tagline {
    display: none;
    font-family: var(--font-poppins);
    font-weight: 700;
    font-size: 20px;
    line-height: 24px;
    white-space: nowrap;
}

.tagline span {
    color: var(--color-accent);
    display: block;
}

@media (min-width: 1024px) {
    .tagline {
        display: block;
    }
}

/* Sub-tagline for mobile */
.sub-tagline {
    text-align: center;
    font-weight: 700;
    font-size: 12px;
    line-height: 12px;
}

.sub-tagline span {
    color: var(--color-accent);
}

@media (min-width: 1024px) {
    .sub-tagline {
        display: none;
    }
}

/* ========================================
   CTA BUTTONS
   ======================================== */
.cta-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 5px 20px;
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
    font-family: var(--font-poppins);
    font-weight: 500;
    font-size: 16px;
    color: var(--color-text-white);
    white-space: nowrap;
    transition: background var(--transition-fast), box-shadow var(--transition-fast);
}

@media (min-width: 1024px) {
    .cta-primary {
        padding: 5px 24px;
    }
}

.cta-primary:hover {
    background: linear-gradient(272deg, #3DD1E6 0.06%, #BB46D8 83.01%);
}

.cta-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 5px 24px;
    background-color: var(--color-primary);
    border-radius: var(--radius-md);
    font-family: var(--font-poppins);
    font-weight: 500;
    font-size: 16px;
    color: var(--color-text-white);
    white-space: nowrap;
    transition: background var(--transition-fast), box-shadow var(--transition-fast);
}

.cta-secondary:hover {
    background: linear-gradient(272deg, #3DD1E6 0.06%, #BB46D8 83.01%);
}

.cta-small {
    padding: 5px 24px;
    font-size: 14px;
    height: 32.637px;
}

.cta-xs {
    padding: 5px 20px;
    font-size: 10px;
}

/* ========================================
   HERO SECTION (3 GIRLS - DESKTOP ONLY)
   ======================================== */
.hero-section {
    display: none;
    position: relative;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 1024px) {
    .hero-section {
        display: flex;
        flex-direction: row;
        justify-content: center;

    }
}

.hero-model {
    position: relative;
    width: 33%;
    cursor: pointer;
}

.hero-model .hero-girl-image {
    position: relative;
    width: 100%;
    height: 100%;
    max-height: 480px;
    object-fit: contain;
    z-index: 1;
    filter: brightness(0.2);
    transition: all var(--transition-normal);
}

.hero-model.card--active .hero-girl-image {
    filter: brightness(1);
}

.hero-glow-heart {
    position: absolute;
    top: -5%;
    left: -8%;
    width: 123%;
    max-width: unset;
    filter: brightness(0.2);
    transition: all var(--transition-normal);
    z-index: 0;
}

.hero-model.card--active .hero-glow-heart {
    filter: brightness(1);
}

.hero-glow-line {
    position: absolute;
    bottom: -5%;
    left: 50%;
    transform: translateX(-50%);
    width: 75%;
    height: auto;
    filter: brightness(0.2);
    transition: all var(--transition-normal);
    z-index: 0;
}

.hero-model.card--active .hero-glow-line {
    filter: brightness(1);
}

.hero-cta {
    position: absolute;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    transition: opacity var(--transition-normal);
    z-index: 2;
}

/* ========================================
   HERO IMAGE SECTION
   ======================================== */
.hero-image-section {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 20px;
    width: 100%;
    padding: 29px var(--space-450);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.hero-image-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image: url('../images/hero-banner.jpg');
    background-size: cover;
    background-position: -35px 10%;
    background-repeat: no-repeat;
}

@media (min-width: 600px) {
    .hero-image-bg {
        background-position: 0 10%;
    }
}

@media (min-width: 1024px) {
    .hero-image-bg {
        background-position: 200px 10%;
    }
}

.hero-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, var(--color-background) 0%, transparent 14%);
}

@media (min-width: 1024px) {
    .hero-image-overlay {
        background: linear-gradient(to right, var(--color-background) 0%, transparent 14%);
    }
}

.hero-content {
    position: relative;
    width: 100%;
    z-index: 1;
}

.hero-title-container {
    display: inline-flex;
    flex-direction: column;
    width: 100%;
}

@media (min-width: 1024px) {
    .hero-title-container {
        display: block;
    }
}

.hero-title-prefix {
    font-weight: 500;
    font-size: 22px;
    color: var(--color-text-white-70);
}

@media (min-width: 1024px) {
    .hero-title-prefix {
        font-size: 48px;
        line-height: 49px;
    }
}

.hero-title-main {
    font-weight: 700;
    font-size: 38px;
    line-height: 49px;
    color: var(--color-text-white);
}

@media (min-width: 1024px) {
    .hero-title-main {
        font-size: 48px;
    }
}

.hero-description {
    font-weight: 400;
    font-size: 16px;
    color: var(--color-text-white);
    max-width: 260px;
    margin-top: 12px;
}

@media (min-width: 1024px) {
    .hero-description {
        max-width: 595px;
    }
}

/* ========================================
   GRID CARDS SECTION
   ======================================== */
.grid-section {
    position: relative;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

@media (min-width: 724px) {
    .grid-container {
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
}

@media (min-width: 1024px) {
    .grid-container {
        grid-template-columns: repeat(5, 1fr);
        gap: 20px;
    }
}

.grid-card {
    position: relative;
    height: 300px;
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 20px 0;
}

@media (min-width: 1024px) {
    .grid-card {
        height: 300px;
    }
}

.grid-section.loaded .grid-card {
    display: flex;
}

.grid-section.loaded .grid-card:not(.desktop-only) {
    order: 1;
}

.grid-section.loaded .grid-card.desktop-only {
    order: 2;
}

.grid-card-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.grid-card-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.grid-card-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0) 53.37%, rgba(0, 0, 0, 0.8) 100%);
    border-radius: var(--radius-md);
}

.grid-card-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    width: 100%;
}

@media (min-width: 1024px) {
    .grid-card-content {
        gap: 12px;
    }
}

.grid-card-info {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

@media (min-width: 1024px) {
    .grid-card-info {
        gap: 4px;
    }
}

.grid-card-name {
    font-family: var(--font-lexend);
    font-weight: 700;
    font-size: 14px;
    color: var(--color-text-white);
}

.grid-card-details {
    font-family: var(--font-poppins);
    font-weight: 400;
    font-size: 12px;
    line-height: 13px;
    color: var(--color-text-white);
}

.load-more-btn-container {
    position: relative;
    display: flex;
    justify-content: center;
    margin-top: 20px;
    z-index: 3;
}

/* ========================================
   AI COMPANION SECTION
   ======================================== */
.companion-section {
    position: relative;
    padding: 2px;
    background: linear-gradient(180deg, #3DD1E6 0%, #BB46D8 83%);
    border-radius: var(--radius-md);
}

.companion-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 28px;
    border-radius: var(--radius-md);
    background: var(--color-background-alt);
    overflow: hidden;
}

@media (min-width: 1024px) {
    .companion-container {
        flex-direction: row;
        align-items: center;
        padding: 30px 32px;
        gap: 58px;
    }
}

.companion-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
}

@media (min-width: 1024px) {
    .companion-content {
        width: 584px;
        flex-shrink: 0;
    }
}

.companion-title {
    font-weight: 500;
    font-size: 29px;
    line-height: 35px;
}

@media (min-width: 1024px) {
    .companion-title {
        font-size: 38px;
        line-height: 49px;
    }
}

.companion-text {
    font-weight: 400;
    font-size: 16px;
    line-height: 1.5;
}

/* ========================================
   CAROUSEL SECTION
   ======================================== */
.carousel-container {
    position: relative;
    display: none;
    height: 252px;
    width: 100%;
    border-radius: var(--radius-md);
    overflow: hidden;
}

@media (min-width: 1024px) {
    .carousel-container {
        display: block;
        width: 486px;
        flex-shrink: 0;
    }
}

.carousel-track {
    display: flex;
    gap: 18px;
    position: absolute;
    left: 0;
    top: 0;
    animation: carousel-scroll 20s linear infinite;
}

@keyframes carousel-scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.carousel-card {
    width: 150px;
    height: 252px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    flex-shrink: 0;
    position: relative;
    background: linear-gradient(270deg, rgba(1, 2, 2, 0.2) 0%, rgba(1, 2, 2, 0) 21.15%, rgba(1, 2, 2, 0) 75.96%, rgba(1, 2, 2, 0.2) 100%);
}

.carousel-card-image {
    position: absolute;
    inset: 0;
}

.carousel-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-card-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0) 61.11%, #000000 100%);
}

.carousel-card-content {
    position: absolute;
    bottom: 13px;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.carousel-card-name {
    font-family: var(--font-lexend);
    font-weight: 700;
    font-size: 13px;
    text-align: center;
    color: var(--color-text-white);
}

.carousel-card-details {
    font-family: var(--font-poppins);
    font-weight: 400;
    font-size: 10px;
    line-height: 13px;
    text-align: center;
    color: var(--color-text-white);
}

.carousel-fade {
    position: absolute;
    inset: 0;
    background: linear-gradient(270deg, rgb(1, 2, 2) 0%, rgba(1, 2, 2, 0) 16.83%, rgba(1, 2, 2, 0) 85.1%, rgb(1, 2, 2) 100%);
    pointer-events: none;
}

/* ========================================
   FEATURES SECTION
   ======================================== */
.features-section {
    display: flex;
    flex-direction: column;
    gap: 23px;
}

.features-header {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.features-title {
    font-weight: 500;
    font-size: 29px;
    line-height: 35px;
}

@media (min-width: 1024px) {
    .features-title {
        font-size: 38px;
        line-height: 49px;
    }
}

.features-subtitle {
    font-weight: 400;
    font-size: 16px;
    color: var(--color-text-white);
}

.features-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
}

.feature-tab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 5px 24px;
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    font-family: var(--font-poppins);
    font-weight: 500;
    font-size: 16px;
    color: var(--color-text-white);
    white-space: nowrap;
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.feature-tab:hover {
    background: rgba(187, 70, 216, 0.20);
}

.feature-tab.active {
    background-color: var(--color-primary);
}

.feature-tab.active:hover {
    background: rgba(187, 70, 216, 0.70)
}

.features-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
}

@media (min-width: 1024px) {
    .features-content {
        flex-direction: row;
        justify-content: space-between;
    }
}

.feature-image-container {
    width: 100%;
    padding: 2px;
    background: linear-gradient(180deg, #3DD1E6 0%, #BB46D8 83%);
    border-radius: var(--radius-md);
}

@media (min-width: 1024px) {
    .feature-image-container {
        width: auto;
    }
}

.feature-image-content {
    position: relative;
    width: 100%;
    height: 157px;
    border-radius: var(--radius-md);
    background: linear-gradient(270deg, #18171C 26.92%, #020818 73.56%);
    overflow: hidden;
}

@media (min-width: 1024px) {
    .feature-image-content {
        width: 584px;
        height: 249px;
        border-width: 2px;
        flex-shrink: 0;
    }
}

.feature-image-content img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}

.feature-text-container {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 23px;
}

@media (min-width: 1024px) {
    .feature-text-container {
        width: 588px;
        justify-content: space-between;
    }
}

.feature-text-content {
    display: flex;
    flex-direction: column;
    gap: 13px;
}

.feature-text-title {
    font-weight: 500;
    font-size: 23px;
    line-height: 1.3;
}

.feature-text-description {
    font-weight: 400;
    font-size: 16px;
    line-height: 1.5;
}

/* Feature content visibility */
.feature-content-item {
    display: none;
}

.feature-content-item.active {
    display: flex;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    display: flex;
    flex-direction: column;
    gap: 14px;
    width: 100%;
}

.footer-line {
    display: none;
    width: 100%;
    height: 1px;
    background-color: var(--color-text-muted);
}

@media (min-width: 1024px) {
    .footer-line {
        display: block;
    }
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

@media (min-width: 1024px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
    }
}

.footer-left {
    display: flex;
    gap: 14px;
}

@media (min-width: 1024px) {
    .footer-left {
        flex-direction: row;
        align-items: center;
        gap: 10px;
        flex-grow: 1;
    }
}

.footer-rta {
    height: 13px;
    width: 38px;
}

@media (min-width: 1024px) {
    .footer-rta {
        height: 17px;
        width: 50px;
    }
}

.footer-rta svg {
    width: 100%;
}

.footer-copyright {
    font-family: var(--font-poppins);
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.footer-links {
    display: flex;
    gap: 5px;
    font-family: var(--font-poppins);
    font-weight: 400;
    font-size: 14px;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.footer-links a {
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-text-white);
}

.footer-logo {
    height: 16px;
}

@media (min-width: 1024px) {
    .footer-logo {
        height: 18px;
        width: 205px;
    }
}

.footer-mobile-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
}

@media (min-width: 1024px) {
    .footer-mobile-bottom {
        display: none;
    }
}

.footer-disclaimer {
    font-family: var(--font-inter);
    font-weight: 400;
    font-size: 9px;
    line-height: 1.4;
    color: var(--color-text-muted);
    width: 100%;
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.desktop-only {
    display: none;
}

@media (min-width: 1024px) {
    .desktop-only {
        display: flex;
    }
    
    .mobile-only {
        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;
}