/* ===================================
   Landing Page Specific Styles - Modern Design
   =================================== */

/* === Hero Section with Bold Modern Design === */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--space-8) var(--space-4);
    text-align: center;
    overflow: hidden;
    background: linear-gradient(180deg, var(--color-bg-tertiary) 0%, var(--color-bg-blue-light) 50%, var(--color-bg-blue-lighter) 100%);
}

/* Animated mesh gradient background */
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    right: -50%;
    bottom: -50%;
    background:
        radial-gradient(circle at 20% 80%, rgba(14, 165, 233, 0.25) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(56, 189, 248, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(125, 211, 252, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 60% 60%, rgba(2, 132, 199, 0.15) 0%, transparent 50%);
    animation: meshMove 20s ease-in-out infinite;
    z-index: 0;
}

/* Floating particles effect */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(14, 165, 233, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(56, 189, 248, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(125, 211, 252, 0.08) 0%, transparent 50%);
    animation: particleFloat 20s ease-in-out infinite;
    z-index: 0;
}

@keyframes meshMove {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(2%, 3%) rotate(1deg); }
    66% { transform: translate(-1%, 2%) rotate(-1deg); }
}

@keyframes particleFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

/* === Animated Energy Wire === */
.energy-wire {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.5;
    pointer-events: none;
}

.wire-path {
    stroke-linecap: round;
    /* Animations applied dynamically via JavaScript for randomization */
}

@keyframes wirePulse {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 0.8;
    }
}

@keyframes wireThickness {
    0%, 100% {
        stroke-width: 3;
    }
    20% {
        stroke-width: 6;
    }
    40% {
        stroke-width: 2;
    }
    60% {
        stroke-width: 7;
    }
    80% {
        stroke-width: 4;
    }
}

.energy-particle {
    opacity: 0.95;
}

.particle-1 {
    animation: particlePulse1 1.2s ease-in-out infinite;
}

.particle-2 {
    animation: particlePulse2 1.5s ease-in-out infinite;
}

.particle-3 {
    animation: particlePulse3 0.9s ease-in-out infinite;
}

.particle-4 {
    animation: particlePulse4 1.3s ease-in-out infinite;
}

.particle-5 {
    animation: particlePulse5 1.1s ease-in-out infinite;
}

.particle-6 {
    animation: particlePulse6 1.6s ease-in-out infinite;
}

@keyframes particlePulse1 {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

@keyframes particlePulse2 {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

@keyframes particlePulse3 {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 0.95; }
}

@keyframes particlePulse4 {
    0%, 100% { opacity: 0.75; }
    50% { opacity: 1; }
}

@keyframes particlePulse5 {
    0%, 100% { opacity: 0.65; }
    50% { opacity: 0.9; }
}

@keyframes particlePulse6 {
    0%, 100% { opacity: 0.85; }
    50% { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.8s ease-out;
}

.hero h1 {
    font-size: var(--text-7xl);
    font-weight: var(--font-extrabold);
    background: linear-gradient(135deg, var(--color-primary-darkest) 0%, var(--color-primary-dark) 30%, var(--color-primary) 60%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-4);
    line-height: 1.1;
    letter-spacing: -0.03em;
    word-spacing: 0.15em;
    text-shadow: 0 0 80px rgba(14, 165, 233, 0.3);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero p {
    font-size: var(--text-3xl);
    color: var(--color-text-primary);
    margin-bottom: var(--space-8);
    font-weight: var(--font-medium);
    line-height: 1.6;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

/* === Reassurance Section === */
.reassurance {
    background: linear-gradient(135deg, rgba(240, 249, 255, 0.5) 0%, rgba(224, 242, 254, 0.3) 100%);
    padding: var(--space-10) var(--space-4);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.reassurance::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(14, 165, 233, 0.3), transparent);
}

.reassurance::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(14, 165, 233, 0.3), transparent);
}

.reassurance p {
    font-size: var(--text-xl);
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto;
    font-weight: var(--font-medium);
    position: relative;
    z-index: 1;
}

/* === Quick Practical Guides Section === */
.quick-guides {
    padding: var(--space-12) var(--space-4);
    background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-blue-lighter) 100%);
    position: relative;
}

.quick-guides::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(14, 165, 233, 0.3), transparent);
}

.quick-guides-container {
    max-width: 1200px;
    margin: 0 auto;
}

.quick-guides h2 {
    font-size: var(--text-5xl);
    font-weight: var(--font-bold);
    color: var(--color-primary-darkest);
    text-align: center;
    margin-bottom: var(--space-3);
    letter-spacing: -0.02em;
}

.quick-guides-intro {
    font-size: var(--text-xl);
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: var(--space-8);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.guides-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-5);
    margin-top: var(--space-6);
}

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

.guide-card {
    background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-tertiary) 100%);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    text-align: center;
    border: 2px solid rgba(14, 165, 233, 0.15);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    transition: var(--transition-bounce);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    display: block;
}

.guide-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 50%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-lg);
    opacity: 0;
    transition: opacity 0.3s;
    z-index: -1;
}

.guide-card:hover::before {
    opacity: 1;
}

.guide-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(14, 165, 233, 0.2);
    border-color: transparent;
}

.guide-icon {
    font-size: var(--text-6xl);
    margin-bottom: var(--space-3);
    display: inline-block;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
    transition: transform 0.3s;
}

.guide-card:hover .guide-icon {
    transform: scale(1.2) rotate(-5deg);
}

.guide-card h3 {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--color-primary-darkest);
    margin-bottom: var(--space-2);
    letter-spacing: -0.01em;
}

.guide-card p {
    font-size: var(--text-base);
    color: var(--color-text-muted);
    line-height: var(--leading-normal);
    margin-bottom: var(--space-4);
}

.guide-link {
    display: inline-flex;
    align-items: center;
    color: var(--color-primary);
    font-weight: var(--font-semibold);
    text-decoration: none;
    font-size: var(--text-base);
    transition: var(--transition-fast);
    border-bottom: 2px solid transparent;
}

.guide-link:hover {
    color: var(--color-primary-dark);
    border-bottom-color: var(--color-primary-dark);
    transform: translateX(4px);
}

/* === Cards Section - Bold Modern Design === */
.cards {
    padding: var(--space-16) var(--space-4);
    background: var(--color-bg-primary);
    position: relative;
}

.cards-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-6);
}

.card h2 {
    font-size: var(--text-4xl);
    color: var(--color-primary-darkest);
    margin-bottom: var(--space-3);
    font-weight: var(--font-bold);
    letter-spacing: -0.02em;
}

.card p {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: var(--leading-normal);
    font-weight: var(--font-normal);
}

.card-icon {
    font-size: var(--text-6xl);
    margin-bottom: var(--space-4);
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.1));
    transition: var(--transition-smooth);
    display: inline-block;
}

.card:hover .card-icon {
    transform: scale(1.15) translateY(-8px) rotate(5deg);
    filter: drop-shadow(0 12px 24px rgba(14, 165, 233, 0.3));
}

/* === AdaptAI Preview Section === */
.adaptai-preview {
    background: var(--gradient-bg-blue);
    padding: var(--space-12) var(--space-4);
    position: relative;
}

.adaptai-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-primary-lighter), transparent);
}

.adaptai-preview h2 {
    font-size: var(--text-5xl);
    color: var(--color-primary-darkest);
    margin-bottom: var(--space-4);
    font-weight: var(--font-bold);
    text-align: center;
}

.preview-intro {
    font-size: var(--text-xl);
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: var(--space-3);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.view-all-link {
    display: block;
    text-align: center;
    color: var(--color-primary);
    font-weight: var(--font-semibold);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: var(--transition-base);
    margin-bottom: var(--space-8);
    font-size: var(--text-lg);
}

.view-all-link:hover {
    border-bottom-color: var(--color-primary);
    color: var(--color-primary-dark);
}

.top-posts-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
}

/* Two Column CTA Layout */
.two-column-cta {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
    margin-top: var(--space-10);
}

/* AdaptAI Call to Action */
.adaptai-cta {
    padding: var(--space-8) var(--space-5);
    background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-blue-lighter) 100%);
    border-radius: var(--radius-md);
    text-align: center;
    border: 2px solid var(--color-primary-lighter);
}

.adaptai-cta h3 {
    font-size: var(--text-4xl);
    color: var(--color-primary-darkest);
    margin-bottom: var(--space-3);
    font-weight: var(--font-bold);
}

.adaptai-cta p {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: var(--leading-normal);
    margin-bottom: var(--space-5);
}

.adaptai-cta .btn {
    display: inline-block;
    padding: var(--space-3) var(--space-5);
    background: var(--gradient-primary);
    color: var(--color-bg-primary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-weight: var(--font-semibold);
    transition: var(--transition-base);
    border: 2px solid transparent;
    font-size: var(--text-lg);
}

.adaptai-cta .btn:hover {
    background: var(--gradient-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.loading {
    text-align: center;
    color: var(--color-text-muted);
    font-size: var(--text-lg);
    padding: var(--space-10) var(--space-5);
}

.no-posts-preview {
    text-align: center;
    padding: var(--space-10) var(--space-5);
    background: var(--gradient-bg-blue);
    border-radius: var(--radius-md);
    border: 2px dashed var(--color-primary-lighter);
    grid-column: 1 / -1;
}

.no-posts-preview p {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
}

.no-posts-preview a {
    color: var(--color-primary);
    font-weight: var(--font-semibold);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: var(--transition-base);
}

.no-posts-preview a:hover {
    border-bottom-color: var(--color-primary);
}

.error-message-preview {
    text-align: center;
    padding: var(--space-8) var(--space-5);
    background: var(--color-error-bg);
    border-radius: var(--radius-md);
    border: 2px solid var(--color-error-border);
    grid-column: 1 / -1;
}

.error-message-preview p {
    color: var(--color-error-dark);
    font-size: var(--text-lg);
}

.error-message-preview a {
    color: var(--color-error-dark);
    font-weight: var(--font-semibold);
    text-decoration: underline;
}

/* === Mobile Responsive === */
@media (max-width: 768px) {
    .hero h1 {
        font-size: var(--text-4xl);
    }

    .hero p {
        font-size: var(--text-lg);
    }

    .hero-content {
        padding: var(--space-5) var(--space-4);
    }

    .reassurance p {
        font-size: var(--text-lg);
    }

    .quick-guides {
        padding: var(--space-10) var(--space-4);
    }

    .quick-guides h2 {
        font-size: var(--text-4xl);
    }

    .quick-guides-intro {
        font-size: var(--text-lg);
        margin-bottom: var(--space-6);
    }

    .guides-grid,
    .guides-grid-three {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .guide-card {
        padding: var(--space-5);
    }

    .guide-card h3 {
        font-size: var(--text-xl);
    }

    .guide-card p {
        font-size: var(--text-md-sm);
    }

    .cards-container {
        gap: var(--space-5);
    }

    .adaptai-preview h2 {
        font-size: var(--text-4xl);
    }

    .preview-intro {
        font-size: var(--text-lg);
    }

    .top-posts-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .two-column-cta {
        grid-template-columns: 1fr;
        gap: var(--space-4);
        margin-top: var(--space-8);
    }

    .adaptai-cta {
        padding: var(--space-6) var(--space-4);
    }

    .adaptai-cta h3 {
        font-size: var(--text-3xl);
    }

    .adaptai-cta p {
        font-size: var(--text-base);
    }

    .support-container h3 {
        font-size: var(--text-3xl);
    }

    .support-container p {
        font-size: var(--text-base);
    }
}

@media (max-width: 480px) {
    .hero {
        padding: var(--space-5) var(--space-3);
    }

    .hero h1 {
        font-size: var(--text-3xl);
    }

    .hero p {
        font-size: var(--text-base);
        margin-bottom: var(--space-5);
    }

    .quick-guides {
        padding: var(--space-8) var(--space-3);
    }

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

    .quick-guides-intro {
        font-size: var(--text-base);
        margin-bottom: var(--space-5);
    }

    .guides-grid {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }

    .guide-card {
        padding: var(--space-4);
    }

    .guide-card h3 {
        font-size: var(--text-lg);
    }

    .guide-card p {
        font-size: var(--text-sm);
        margin-bottom: var(--space-3);
    }

    .guide-icon {
        font-size: var(--text-5xl);
    }

    .cards {
        padding: var(--space-8) var(--space-3);
    }

    .adaptai-preview {
        padding: var(--space-10) var(--space-3);
    }

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

    .preview-intro {
        font-size: var(--text-base);
        margin-bottom: var(--space-5);
    }

    .top-posts-grid {
        gap: var(--space-3);
    }

    .two-column-cta {
        margin-top: var(--space-5);
    }

    .adaptai-cta {
        padding: var(--space-5) var(--space-3);
    }

    .adaptai-cta h3 {
        font-size: var(--text-2xl);
    }

    .adaptai-cta p {
        font-size: var(--text-md-sm);
        margin-bottom: var(--space-4);
    }

    .adaptai-cta .btn {
        font-size: var(--text-base);
        padding: var(--space-2-5) var(--space-4);
    }

    .support-container {
        padding: var(--space-5) var(--space-3);
    }

    .support-container h3 {
        font-size: var(--text-2xl);
    }

    .support-container p {
        font-size: var(--text-md-sm);
        margin-bottom: var(--space-5);
    }

    .btn-support {
        font-size: var(--text-md-sm);
        padding: var(--space-2) var(--space-4);
    }
}

/* === Support Section === */
.support-section {
    background: var(--color-bg-primary);
    padding: var(--space-12) var(--space-4);
    position: relative;
}

.support-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border-light), transparent);
}

.support-container {
    text-align: center;
    padding: var(--space-8) var(--space-5);
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    border-radius: var(--radius-md);
    border: 2px solid #6ee7b7;
}

.support-container h3 {
    font-size: var(--text-4xl);
    color: var(--color-primary-darkest);
    margin-bottom: var(--space-3);
    font-weight: var(--font-bold);
}

.support-container p {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
}

.btn-support {
    display: inline-block;
    padding: var(--space-3) var(--space-6);
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-weight: var(--font-semibold);
    font-size: var(--text-lg);
    transition: var(--transition-base);
    border: 2px solid transparent;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-support:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
}

@media (max-width: 768px) {
    .support-section {
        padding: var(--space-10) var(--space-4);
    }

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

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

    .support-container p {
        font-size: var(--text-base);
    }

    .btn-support {
        font-size: var(--text-base);
        padding: var(--space-2-5) var(--space-5);
    }
}

@media (max-width: 480px) {
    .support-section {
        padding: var(--space-8) var(--space-3);
    }

    .support-container {
        padding: var(--space-5) var(--space-3);
    }

    .support-container h2 {
        font-size: var(--text-2xl);
    }

    .support-container p {
        font-size: var(--text-md-sm);
        margin-bottom: var(--space-5);
    }

    .btn-support {
        font-size: var(--text-md-sm);
        padding: var(--space-2) var(--space-4);
    }
}

/* Dark Mode Card Hover Override */
html.dark-mode .card:hover {
    background: linear-gradient(135deg, #2a2a2a 0%, #333333 100%) !important;
    border-color: #555555 !important;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.8), 0 8px 24px rgba(0, 0, 0, 0.6) !important;
    transform: translateY(-8px) scale(1.01) !important;
}

/* === Dark Mode - Quick Practical Guides === */
html.dark-mode .quick-guides {
    background: linear-gradient(135deg, #1a1a1a 0%, #1e2a3d 100%);
}

html.dark-mode .quick-guides::before {
    background: linear-gradient(90deg, transparent, rgba(14, 165, 233, 0.4), transparent);
}

html.dark-mode .quick-guides h2 {
    color: #ffffff;
    background: linear-gradient(135deg, #ffffff 0%, var(--color-primary-lighter) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

html.dark-mode .quick-guides-intro {
    color: #b5b5b5;
}

html.dark-mode .guide-card {
    background: linear-gradient(135deg, #1e1e1e 0%, #242424 100%);
    border-color: rgba(68, 68, 68, 0.6);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

html.dark-mode .guide-card::before {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 50%, var(--color-primary-lighter) 100%);
}

html.dark-mode .guide-card:hover {
    background: linear-gradient(135deg, #242424 0%, #2a2a2a 100%);
    box-shadow: 0 16px 40px rgba(14, 165, 233, 0.4);
    border-color: transparent;
}

html.dark-mode .guide-card:hover .guide-icon {
    filter: drop-shadow(0 8px 16px rgba(14, 165, 233, 0.5));
}

html.dark-mode .guide-card h3 {
    color: #ffffff;
}

html.dark-mode .guide-card:hover h3 {
    color: #ffffff;
}

html.dark-mode .guide-card p {
    color: #999999;
}

html.dark-mode .guide-card:hover p {
    color: #b5b5b5;
}

html.dark-mode .guide-link {
    color: var(--color-primary-lighter);
}

html.dark-mode .guide-card:hover .guide-link {
    color: var(--color-primary-light);
    border-bottom-color: var(--color-primary-light);
}