/* ============================================
   LUMEN Living - Responsive Styles
   Mobile-First Breakpoints
   ============================================ */

/* ============================================
   Prevent Horizontal Scrolling on Mobile
   ============================================ */
html,
body {
    overflow-x: hidden;
    max-width: 100vw;
}

* {
    max-width: 100%;
}

/* Exclude elements that need to exceed parent width */
video,
iframe,
img {
    max-width: 100%;
}

/* ============================================
   Small devices (landscape phones, 576px+)
   ============================================ */
@media (min-width: 576px) {
    :root {
        --text-3xl: 2rem;
        --text-4xl: 2.5rem;
    }

    .container {
        padding-left: var(--space-6);
        padding-right: var(--space-6);
    }
}

/* ============================================
   Medium devices (tablets, 768px+)
   ============================================ */
@media (min-width: 768px) {
    :root {
        --text-3xl: 2.25rem;
        --text-4xl: 3rem;
        --text-5xl: 3.5rem;
    }

    h1 {
        font-size: var(--text-4xl);
    }

    h2 {
        font-size: var(--text-3xl);
    }

    .section {
        padding-top: var(--space-20);
        padding-bottom: var(--space-20);
    }

    .nav-container {
        height: 72px;
    }

    .nav-toggle {
        display: none;
    }

    .nav-menu {
        display: flex;
        align-items: center;
        gap: var(--space-8);
    }

    .nav-links {
        display: flex;
        align-items: center;
        gap: var(--space-6);
    }

    .nav-link {
        font-size: var(--text-sm);
        font-weight: var(--font-medium);
        color: var(--color-text-light);
        transition: color var(--transition-fast);
    }

    .nav-link:hover {
        color: var(--color-primary);
    }

    /* Grid Layouts */
    .grid-2 {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-6);
    }

    .grid-3 {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-6);
    }
}

/* ============================================
   Large devices (desktops, 1024px+)
   ============================================ */
@media (min-width: 1024px) {
    :root {
        --text-4xl: 3.5rem;
        --text-5xl: 4rem;
        --text-6xl: 5rem;
    }

    h1 {
        font-size: var(--text-5xl);
    }

    .section {
        padding-top: var(--space-24);
        padding-bottom: var(--space-24);
    }

    .container {
        padding-left: var(--space-8);
        padding-right: var(--space-8);
    }

    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .grid-4 {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-6);
    }
}

/* ============================================
   Extra large devices (large desktops, 1280px+)
   ============================================ */
@media (min-width: 1280px) {
    .nav-container {
        max-width: var(--container-xl);
        margin: 0 auto;
    }
}

/* ============================================
   Mobile Menu Styles
   ============================================ */
.mobile-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-background);
    padding: var(--space-6);
    z-index: var(--z-dropdown);
    transform: translateX(100%);
    transition: transform var(--transition-base);
}

.mobile-menu--overlay {
    top: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: stretch;
    padding: calc(80px + var(--space-6)) var(--space-6) var(--space-8);
    background: rgba(250, 248, 244, 0.98);
    backdrop-filter: blur(12px);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base), transform var(--transition-base);
}

.mobile-menu--overlay.active {
    display: flex;
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.mobile-menu.active {
    display: block;
    transform: translateX(0);
}

.mobile-menu--overlay.active {
    transform: translateY(0);
}

.mobile-menu-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.mobile-menu-link {
    display: block;
    padding: var(--space-4) 0;
    min-height: 44px;
    font-size: clamp(1.25rem, 4vw, 1.5rem);
    font-family: var(--font-family-serif);
    font-weight: var(--font-medium);
    color: var(--color-text);
    border-bottom: 1px solid rgba(148, 181, 166, 0.2);
}

.mobile-menu-cta {
    margin-top: var(--space-6);
    width: 100%;
    text-align: center;
}

.mobile-menu-lang {
    margin-top: var(--space-6);
    align-self: center;
}

@media (min-width: 768px) {
    .mobile-menu {
        display: none !important;
    }
}

/* ============================================
   Hero Video Section
   ============================================ */
.hero-video {
    position: relative;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    /* Dynamic viewport height for mobile */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-video-container {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-video-player {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-video-fallback {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    z-index: -1;
}

.hero-video-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.15);
    /* Light overlay - video can be fully enjoyed without text */
}

.hero-video-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--space-6);
    max-width: 800px;
}

.hero-video-content .hero-badge {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    backdrop-filter: blur(8px);
}

.hero-video-title {
    font-size: var(--text-3xl);
    color: white;
    margin-bottom: var(--space-4);
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-video-subtitle {
    font-family: var(--font-family-serif);
    font-size: var(--text-lg);
    font-weight: var(--font-normal);
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

.hero-video-scroll {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    color: white;
    text-decoration: none;
    animation: bounce 2s infinite;
}

.hero-scroll-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    font-size: 1.5rem;
    transition: all var(--transition-base);
}

.hero-video-scroll:hover .hero-scroll-icon {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: white;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@media (min-width: 768px) {
    .hero-video-title {
        font-size: var(--text-4xl);
    }

    .hero-video-subtitle {
        font-size: var(--text-xl);
    }
}

@media (min-width: 1024px) {
    .hero-video-title {
        font-size: var(--text-5xl);
    }

    .hero-video-content {
        padding: var(--space-12);
    }
}

/* ============================================
   Intro Section (Below Hero Video)
   ============================================ */
.intro-section {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-background) 100%);
    padding: var(--space-16) var(--space-4);
}

.intro-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.intro-title {
    font-size: var(--text-3xl);
    font-weight: var(--font-semibold);
    color: var(--color-text);
    margin-bottom: var(--space-4);
    line-height: 1.2;
}

.intro-subtitle {
    font-family: var(--font-family-serif);
    font-size: var(--text-lg);
    font-weight: var(--font-normal);
    color: var(--color-text-light);
    margin-bottom: var(--space-8);
    line-height: 1.7;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.intro-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

@media (min-width: 768px) {
    .intro-section {
        padding: var(--space-20) var(--space-6);
    }

    .intro-title {
        font-size: var(--text-4xl);
    }

    .intro-subtitle {
        font-size: var(--text-xl);
    }
}

@media (min-width: 1024px) {
    .intro-section {
        padding: var(--space-24) var(--space-8);
    }

    .intro-title {
        font-size: var(--text-5xl);
    }
}

/* ============================================
   Hero Section Responsive
   ============================================ */
.hero {
    min-height: 100vh;
    min-height: 100dvh;
    /* Dynamic viewport height for mobile */
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 80px;
    padding-bottom: var(--space-8);
}

.hero-content {
    text-align: center;
    padding: var(--space-6);
}

.hero-title {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-4);
}

.hero-subtitle {
    font-family: var(--font-family-serif);
    font-size: var(--text-lg);
    font-weight: var(--font-normal);
    color: var(--color-text-light);
    margin-bottom: var(--space-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.hero-badge {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    border-radius: 0;
    margin-bottom: var(--space-6);
}

@media (min-width: 768px) {
    .hero-title {
        font-size: var(--text-4xl);
    }

    .hero-subtitle {
        font-size: var(--text-xl);
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: var(--text-5xl);
    }

    .hero-content {
        padding: var(--space-12);
    }
}

/* ============================================
   Apartment Cards Responsive
   ============================================ */
.apartment-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 576px) {
    .apartment-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .apartment-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   Feature Grid Responsive
   ============================================ */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

@media (min-width: 768px) {
    .feature-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-6);
    }
}

@media (min-width: 1024px) {
    .feature-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ============================================
   Footer Responsive - Dark Theme (OWO-inspired)
   ============================================ */
.footer {
    background-color: var(--color-dark);
    color: var(--color-dark-text);
    padding: var(--space-16) var(--space-4);
}

.footer-logo {
    font-size: 1.25rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-weight: var(--font-medium);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
}

.footer-heading {
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-4);
    color: var(--color-dark-muted);
}

.footer-link {
    color: var(--color-dark-muted);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-dark-text);
}

.footer-copyright {
    margin-top: var(--space-12);
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: var(--text-sm);
    color: var(--color-dark-muted);
}

@media (min-width: 768px) {
    .footer {
        padding: var(--space-20) var(--space-6);
    }

    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

/* ============================================
   Sticky Mobile CTA
   ============================================ */
.mobile-cta {
    display: block;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-4);
    background-color: var(--color-background);
    border-top: 1px solid var(--color-background-alt);
    z-index: var(--z-sticky);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
}

.mobile-cta .btn {
    width: 100%;
}

@media (min-width: 768px) {
    .mobile-cta {
        display: none;
    }
}