/* ========================================
   Home / Landing Page Styles
   Modern 2025 Design
   ======================================== */

/* ============================================
   Navbar Overrides for Landing
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background-color: transparent;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background-color: var(--bg-surface);
    border-bottom-color: var(--border-default);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-4) var(--space-6);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
}

.brand-logo {
    flex-shrink: 0;
}

.brand-text {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.navbar-controls {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

/* Theme Toggle */
.theme-toggle .theme-icon-dark {
    display: none;
}

[data-theme="dark"] .theme-toggle .theme-icon-light {
    display: none;
}

[data-theme="dark"] .theme-toggle .theme-icon-dark {
    display: block;
}

/* Language Dropdown */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + var(--space-2));
    right: 0;
    min-width: 140px;
    padding: var(--space-2);
    background-color: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
}

.dropdown.open .dropdown-menu,
.dropdown:focus-within .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.dropdown-item.active {
    background-color: var(--color-primary-muted);
    color: var(--color-primary);
}

.dropdown-item-icon {
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    opacity: 0.6;
}

/* ============================================
   Landing Page Layout
   ============================================ */
.landing-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-content {
    flex: 1;
    padding: 0;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    flex: 1;
    display: flex;
    align-items: center;
    min-height: calc(100vh - 80px);
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, var(--color-primary-muted) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, var(--color-info-muted) 0%, transparent 40%);
    opacity: 0.5;
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-8) var(--space-6);
    position: relative;
    z-index: 1;
}

/* Hero Content */
.hero-content {
    max-width: 560px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background-color: var(--color-success-muted);
    color: var(--color-success);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-6);
}

.hero-badge svg {
    width: 14px;
    height: 14px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-4);
}

.hero-title-highlight {
    display: block;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-info) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--text-lg);
    color: var(--text-tertiary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
}

/* Feature Pills */
.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-bottom: var(--space-8);
}

.feature-pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.feature-pill svg {
    color: var(--color-success);
}

/* Hero Actions */
.hero-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

/* Microsoft Sign-In Button */
.btn-microsoft {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    background-color: var(--text-primary);
    color: var(--bg-primary);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
}

.btn-microsoft:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-microsoft:active {
    transform: translateY(0);
}

.microsoft-logo {
    flex-shrink: 0;
}

.sign-in-hint {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

/* ============================================
   Hero Visual
   ============================================ */
.hero-visual {
    position: relative;
    height: 500px;
}

.visual-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

/* Floating Cards */
.floating-card {
    position: absolute;
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    background-color: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
    transition: all var(--transition-base);
}

.floating-card:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.floating-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: var(--color-primary-muted);
    color: var(--color-primary);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.floating-card-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.floating-card-title {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
}

.floating-card-desc {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

/* Card Positions */
.card-1 {
    top: 10%;
    left: 5%;
    animation-delay: 0s;
}

.card-2 {
    top: 5%;
    right: 5%;
    animation-delay: 1s;
}

.card-3 {
    bottom: 25%;
    left: 15%;
    animation-delay: 2s;
}

.card-4 {
    bottom: 10%;
    right: 10%;
    animation-delay: 3s;
}

/* Card Color Variants */
.card-1 .floating-card-icon {
    background-color: var(--color-primary-muted);
    color: var(--color-primary);
}

.card-2 .floating-card-icon {
    background-color: var(--color-success-muted);
    color: var(--color-success);
}

.card-3 .floating-card-icon {
    background-color: var(--color-warning-muted);
    color: var(--color-warning);
}

.card-4 .floating-card-icon {
    background-color: var(--color-info-muted);
    color: var(--color-info);
}

/* Float Animation */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
}

/* Background Elements */
.visual-bg-circle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.circle-1 {
    width: 300px;
    height: 300px;
    top: 20%;
    left: 20%;
    background: linear-gradient(135deg, var(--color-primary) 0%, transparent 70%);
    opacity: 0.1;
    filter: blur(60px);
}

.circle-2 {
    width: 250px;
    height: 250px;
    bottom: 10%;
    right: 20%;
    background: linear-gradient(135deg, var(--color-info) 0%, transparent 70%);
    opacity: 0.1;
    filter: blur(50px);
}

.visual-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--border-default) 1px, transparent 1px),
        linear-gradient(90deg, var(--border-default) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.3;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

/* ============================================
   Landing Footer
   ============================================ */
.landing-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-xs);
    color: var(--text-muted);
    border-top: 1px solid var(--border-default);
}

.footer-divider {
    opacity: 0.3;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-features {
        justify-content: center;
    }

    .hero-actions {
        align-items: center;
    }

    .hero-visual {
        height: 400px;
        order: -1;
    }

    .floating-card {
        max-width: 220px;
    }

    .card-1 {
        top: 5%;
        left: 5%;
    }

    .card-2 {
        top: 5%;
        right: 5%;
    }

    .card-3 {
        bottom: 15%;
        left: 5%;
    }

    .card-4 {
        bottom: 15%;
        right: 5%;
    }
}

@media (max-width: 768px) {
    .navbar-container {
        padding: var(--space-3) var(--space-4);
    }

    .hero {
        min-height: auto;
        padding-top: 70px;
        padding-bottom: var(--space-8);
    }

    .hero-container {
        padding: var(--space-6) var(--space-4);
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-visual {
        height: 300px;
    }

    .floating-card {
        padding: var(--space-3);
        max-width: 180px;
    }

    .floating-card-icon {
        width: 40px;
        height: 40px;
    }

    .floating-card-icon svg {
        width: 20px;
        height: 20px;
    }

    .landing-footer {
        flex-direction: column;
        gap: var(--space-1);
    }

    .footer-divider {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-badge {
        font-size: 10px;
    }

    .hero-features {
        flex-direction: column;
        align-items: center;
    }

    .btn-microsoft {
        width: 100%;
    }

    .floating-card-desc {
        display: none;
    }

    .card-3,
    .card-4 {
        display: none;
    }
}