/* Tonalux - Main Stylesheet */

:root {
    --bg-primary: #08090c;
    --bg-secondary: #0d0f14;
    --bg-tertiary: #141820;
    --bg-card: #111318;
    --text-primary: #f0f2f5;
    --text-secondary: #9ca3b0;
    --text-muted: #5c6370;
    --accent: #4a9eff;
    --accent-hover: #6bb3ff;
    --accent-soft: #3d7acc;
    --accent-glow: rgba(74, 158, 255, 0.15);
    --accent-glow-strong: rgba(74, 158, 255, 0.25);
    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);
    --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

body > footer,
body > #footer-placeholder + footer {
    margin-top: auto;
}

::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

::selection {
    background: var(--accent);
    color: var(--bg-primary);
}

/* Global Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s var(--transition-smooth), transform 0.6s var(--transition-smooth);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-up {
    opacity: 0;
    transform: translateY(40px);
}

.fade-in-up.visible {
    animation: fadeInUp 0.8s var(--transition-smooth) forwards;
}

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.5s var(--transition-smooth), transform 0.5s var(--transition-bounce);
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.6s var(--transition-smooth), transform 0.6s var(--transition-smooth);
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.6s var(--transition-smooth), transform 0.6s var(--transition-smooth);
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Stagger delay classes */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.15s; }
.stagger-3 { transition-delay: 0.2s; }
.stagger-4 { transition-delay: 0.25s; }
.stagger-5 { transition-delay: 0.3s; }
.stagger-6 { transition-delay: 0.35s; }
.stagger-7 { transition-delay: 0.4s; }
.stagger-8 { transition-delay: 0.45s; }
.stagger-9 { transition-delay: 0.5s; }
.stagger-10 { transition-delay: 0.55s; }

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.25rem 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(8, 9, 12, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: all 0.4s var(--transition-smooth);
}

nav.scrolled {
    padding: 1rem 4rem;
    background: rgba(8, 9, 12, 0.95);
}

.logo {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.625rem;
    opacity: 0;
    transform: translateX(-20px);
    animation: logoAppear 0.6s var(--transition-smooth) forwards;
}

@keyframes logoAppear {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.nav-links {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s var(--transition-smooth);
    position: relative;
    opacity: 0;
    transform: translateY(-10px);
    animation: navLinkAppear 0.5s var(--transition-smooth) forwards;
}

.nav-link:nth-child(1) { animation-delay: 0.1s; }
.nav-link:nth-child(2) { animation-delay: 0.2s; }
.nav-link:nth-child(3) { animation-delay: 0.3s; }
.nav-link:nth-child(4) { animation-delay: 0.4s; }
.nav-link:nth-child(5) { animation-delay: 0.5s; }
.nav-link:nth-child(6) { animation-delay: 0.6s; }

@keyframes navLinkAppear {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.nav-link.active {
    color: var(--accent);
}

.nav-link.disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.nav-link.disabled:hover {
    background: transparent;
    color: var(--text-secondary);
}

.nav-tooltip {
    position: absolute;
    bottom: -32px;
    left: 50%;
    transform: translateX(-50%) scale(0.9);
    background: var(--bg-tertiary);
    color: var(--text-muted);
    padding: 0.25rem 0.625rem;
    border-radius: 6px;
    font-size: 0.7rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s var(--transition-smooth);
    border: 1px solid var(--border);
}

.nav-link.disabled:hover .nav-tooltip {
    opacity: 1;
    transform: translateX(-50%) scale(1);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s var(--transition-smooth);
}

/* Mobile Navigation Menu */
.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(8, 9, 12, 0.98);
    z-index: 999;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s var(--transition-smooth);
}

.mobile-nav.active {
    display: flex;
    opacity: 1;
    pointer-events: auto;
}

.mobile-nav .nav-link {
    font-size: 1.5rem;
    padding: 1rem 2rem;
}

.mobile-nav-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 2rem;
    cursor: pointer;
    padding: 0.5rem;
    line-height: 1;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 7rem 4rem 4rem;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 80%;
    height: 80%;
    background: radial-gradient(ellipse, rgba(59, 130, 246, 0.2) 0%, rgba(59, 130, 246, 0.05) 40%, transparent 70%);
    animation: float 20s ease-in-out infinite;
    filter: blur(40px);
}

.hero-bg::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -15%;
    width: 60%;
    height: 60%;
    background: radial-gradient(ellipse, rgba(96, 165, 250, 0.15) 0%, transparent 60%);
    animation: float 25s ease-in-out infinite reverse;
    filter: blur(60px);
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: pulse-glow 8s ease-in-out infinite;
    z-index: -1;
}

.glow-orb-1 {
    top: 20%;
    right: 20%;
    width: 300px;
    height: 300px;
    background: rgba(59, 130, 246, 0.3);
    animation-delay: 0s;
}

.glow-orb-2 {
    top: 60%;
    right: 30%;
    width: 200px;
    height: 200px;
    background: rgba(96, 165, 250, 0.2);
    animation-delay: 2s;
}

.glow-orb-3 {
    top: 40%;
    left: 10%;
    width: 250px;
    height: 250px;
    background: rgba(37, 99, 235, 0.15);
    animation-delay: 4s;
}

@keyframes pulse-glow {
    0%, 100% {
        transform: scale(1);
        opacity: 0.4;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.6;
    }
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(30px, -30px) rotate(5deg); }
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.4;
    mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 10%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 10%, transparent 70%);
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 10;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    padding: 0.4rem 0.875rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 1.75rem;
    animation: fadeInUp 0.8s var(--transition-smooth) both;
}

.hero-badge-dot {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.hero h1 {
    font-size: clamp(2.75rem, 7vw, 4.5rem);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.03em;
    margin-bottom: 1.25rem;
    animation: fadeInUp 0.8s var(--transition-smooth) 0.1s both;
}

.hero h1 .gradient {
    background: linear-gradient(135deg, var(--accent) 0%, #7ec8ff 50%, var(--accent) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 4s linear infinite;
}

@keyframes shimmer {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 540px;
    line-height: 1.7;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s var(--transition-smooth) 0.2s both;
}

.hero-cta {
    display: flex;
    gap: 0.875rem;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s var(--transition-smooth) 0.3s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(25px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.3s var(--transition-smooth);
    font-family: inherit;
}

.btn-primary {
    background: var(--accent);
    color: white;
    box-shadow: 0 0 0 0 var(--accent-glow);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px -8px rgba(74, 158, 255, 0.5);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.btn-icon {
    width: 16px;
    height: 16px;
    transition: transform 0.3s var(--transition-smooth);
}

.btn:hover .btn-icon {
    transform: translateX(3px);
}

/* Waveform - Static, performant version */
.waveform-container {
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 60vh;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
    opacity: 0.25;
    width: 100%;
}

.waveform-wrapper {
    display: flex;
    justify-content: space-around;
    width: 100%;
    height: 100%;
    padding: 0 2%;
}

.waveform-track {
    display: flex;
    gap: clamp(4px, 0.5vw, 10px);
    align-items: center;
    height: 60vh;
    flex: 1;
    justify-content: space-around;
}

.waveform-track:nth-child(2) {
    display: flex;
}

.waveform-bar {
    width: 3px;
    flex: 0 0 3px;
    background: linear-gradient(180deg,
        transparent 0%,
        rgba(96, 165, 250, 0.25) 35%,
        rgba(147, 197, 253, 0.5) 50%,
        rgba(96, 165, 250, 0.25) 65%,
        transparent 100%
    );
    border-radius: 4px;
    animation: wave-pulse var(--speed) ease-in-out infinite;
    animation-delay: var(--delay);
    will-change: height;
}

@keyframes wave-pulse {
    0%, 100% {
        height: var(--min);
    }
    50% {
        height: var(--max);
    }
}

.waveform-glow {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 60%;
    background: radial-gradient(ellipse 60% 40%, rgba(59, 130, 246, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

/* Section styling */
section {
    padding: 5rem 4rem;
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s var(--transition-smooth);
}

.section-header.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 0.75rem;
    display: block;
}

.section-title {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    max-width: 550px;
    margin: 0 auto;
}

/* About/Philosophy Section */
.philosophy {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.philosophy::before {
    content: '';
    position: absolute;
    top: 50%;
    left: -10%;
    transform: translateY(-50%);
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.06) 0%, transparent 60%);
    pointer-events: none;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1100px;
    margin: 0 auto;
    align-items: center;
    position: relative;
    z-index: 1;
}

.philosophy-content {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s var(--transition-smooth);
}

.philosophy-content.visible {
    opacity: 1;
    transform: translateX(0);
}

.philosophy-content h2 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1.25rem;
}

.philosophy-content p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.philosophy-content .highlight {
    color: var(--accent);
    font-weight: 500;
}

.philosophy-visual {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.philosophy-stat {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.4s var(--transition-smooth);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateX(-30px);
}

.philosophy-stat.visible {
    opacity: 1;
    transform: translateX(0);
}

.philosophy-stat:nth-child(1) { transition-delay: 0.1s; }
.philosophy-stat:nth-child(2) { transition-delay: 0.2s; }
.philosophy-stat:nth-child(3) { transition-delay: 0.3s; }
.philosophy-stat:nth-child(4) { transition-delay: 0.4s; }

.philosophy-stat::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 0% 50%, var(--accent-glow) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s var(--transition-smooth);
    pointer-events: none;
}

.philosophy-stat:hover {
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateX(8px);
    box-shadow: 0 0 30px -10px rgba(59, 130, 246, 0.3);
}

.philosophy-stat:hover::before {
    opacity: 1;
}

.philosophy-stat-icon {
    width: 44px;
    height: 44px;
    background: var(--accent-glow);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.2);
    transition: all 0.3s var(--transition-smooth);
}

.philosophy-stat:hover .philosophy-stat-icon {
    box-shadow: 0 0 25px rgba(59, 130, 246, 0.4);
}

.philosophy-stat-content h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.15rem;
}

.philosophy-stat-content p {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin: 0;
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.4s var(--transition-smooth);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:nth-child(1) { transition-delay: 0.1s; }
.feature-card:nth-child(2) { transition-delay: 0.2s; }
.feature-card:nth-child(3) { transition-delay: 0.3s; }
.feature-card:nth-child(4) { transition-delay: 0.4s; }
.feature-card:nth-child(5) { transition-delay: 0.5s; }
.feature-card:nth-child(6) { transition-delay: 0.6s; }

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transition: opacity 0.4s var(--transition-smooth);
}

.feature-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, var(--accent-glow) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.4s var(--transition-smooth);
    pointer-events: none;
}

.feature-card:hover {
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-6px);
    box-shadow:
        0 16px 48px -16px rgba(0, 0, 0, 0.4),
        0 0 30px -10px rgba(59, 130, 246, 0.3);
}

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

.feature-card:hover::after {
    opacity: 1;
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--accent-glow);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: var(--accent);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.2);
    transition: all 0.4s var(--transition-smooth);
}

.feature-card:hover .feature-icon {
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.4);
    transform: scale(1.05);
}

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.65;
}

/* Latest Articles Section */
.articles-preview {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.articles-preview::before {
    content: '';
    position: absolute;
    top: 0;
    right: 10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.06) 0%, transparent 60%);
    pointer-events: none;
}

.articles-preview::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(96, 165, 250, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.article-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    transition: all 0.4s var(--transition-smooth);
    text-decoration: none;
    color: inherit;
    display: block;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
}

.article-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.article-card:nth-child(1) { transition-delay: 0.1s; }
.article-card:nth-child(2) { transition-delay: 0.2s; }
.article-card:nth-child(3) { transition-delay: 0.3s; }

.article-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, var(--accent-glow) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.4s var(--transition-smooth);
    pointer-events: none;
    z-index: 1;
}

.article-card:hover {
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-6px);
    box-shadow:
        0 16px 48px -16px rgba(0, 0, 0, 0.4),
        0 0 40px -15px rgba(59, 130, 246, 0.3);
}

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

.article-card-image {
    width: 100%;
    height: 140px;
    background: var(--bg-tertiary);
    position: relative;
    overflow: hidden;
}

.article-card-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, transparent 60%);
}

.article-card-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
    animation: image-pulse 4s ease-in-out infinite;
}

@keyframes image-pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.article-card-pattern {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 16px 16px;
    opacity: 0.5;
}

.article-card-content {
    padding: 1.5rem;
}

.article-card-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.625rem;
}

.article-card-category {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.article-card-date {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.article-card h3 {
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 0.5rem;
    transition: color 0.3s var(--transition-smooth);
}

.article-card:hover h3 {
    color: var(--accent);
}

.article-card p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.section-footer {
    text-align: center;
    margin-top: 2.5rem;
}

/* Newsletter Section */
.newsletter {
    border-top: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.newsletter::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.newsletter-container {
    max-width: 550px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s var(--transition-smooth);
}

.newsletter-container.visible {
    opacity: 1;
    transform: translateY(0);
}

.newsletter-form {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.75rem;
}

.newsletter-input {
    flex: 1;
    padding: 0.875rem 1.25rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    transition: all 0.3s var(--transition-smooth);
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow), 0 0 20px rgba(59, 130, 246, 0.2);
}

.newsletter-input::placeholder {
    color: var(--text-muted);
}

/* Footer */
footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 3.5rem 4rem 2rem;
}

.footer-content {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
}

.footer-brand,
.footer-column {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s var(--transition-smooth);
}

.footer-brand.visible,
.footer-column.visible {
    opacity: 1;
    transform: translateY(0);
}

.footer-brand { transition-delay: 0.1s; }
.footer-column:nth-child(2) { transition-delay: 0.15s; }
.footer-column:nth-child(3) { transition-delay: 0.2s; }
.footer-column:nth-child(4) { transition-delay: 0.25s; }

.footer-brand {
    max-width: 280px;
}

.footer-brand .logo {
    margin-bottom: 0.875rem;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.7;
}

.footer-column h4 {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.footer-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s var(--transition-smooth);
}

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

.footer-bottom {
    max-width: 1100px;
    margin: 2.5rem auto 0;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.footer-legal {
    display: flex;
    gap: 1.5rem;
}

.footer-legal a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s var(--transition-smooth);
}

.footer-legal a:hover {
    color: var(--accent);
}

/* Scroll animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s var(--transition-smooth);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Page-specific styles */

/* Blog Page */
.blog-hero {
    padding: 8rem 4rem 3rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.blog-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(74, 158, 255, 0.08) 0%, transparent 60%);
    animation: float 20s ease-in-out infinite;
    pointer-events: none;
}

.blog-hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(96, 165, 250, 0.06) 0%, transparent 60%);
    animation: float 25s ease-in-out infinite reverse;
    pointer-events: none;
}

.blog-hero-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 70%);
    pointer-events: none;
}

.blog-hero-content {
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.blog-hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: 0.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s var(--transition-smooth) 0.1s forwards;
}

.blog-hero h1 .gradient {
    background: linear-gradient(135deg, var(--accent) 0%, #7ec8ff 50%, var(--accent) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 4s linear infinite;
}

.blog-hero p {
    color: var(--text-secondary);
    max-width: 600px;
    font-size: 1.1rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s var(--transition-smooth) 0.2s forwards;
}

/* Featured Article */
.featured-section {
    padding: 3rem 4rem;
    background: var(--bg-primary);
}

.featured-article {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1100px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: all 0.4s var(--transition-smooth);
    opacity: 0;
    transform: translateY(40px) scale(0.98);
}

.featured-article.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.featured-article:hover {
    border-color: rgba(74, 158, 255, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px -20px rgba(0, 0, 0, 0.5),
                0 0 40px -10px rgba(74, 158, 255, 0.2);
}

.featured-article-image {
    position: relative;
    min-height: 320px;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    overflow: hidden;
}

.featured-badge {
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    background: var(--accent);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    z-index: 2;
}

.featured-pattern {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 24px 24px;
    opacity: 0.5;
}

.featured-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(74, 158, 255, 0.15) 0%, transparent 70%);
    animation: pulse-glow 4s ease-in-out infinite;
}

.featured-article-content {
    padding: 2.5rem 2.5rem 2.5rem 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-article-content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    transition: color 0.3s var(--transition-smooth);
}

.featured-article:hover h2 {
    color: var(--accent);
}

.featured-article-content > p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.featured-read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent);
    font-weight: 600;
    font-size: 0.9rem;
}

.featured-read-more svg {
    transition: transform 0.3s var(--transition-smooth);
}

.featured-article:hover .featured-read-more svg {
    transform: translateX(4px);
}

/* Section Headers */
.section-header-small {
    max-width: 1100px;
    margin: 0 auto 1.5rem;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s var(--transition-smooth);
}

.section-header-small.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-header-left {
    max-width: 1100px;
    margin: 0 auto 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s var(--transition-smooth);
}

.section-header-left.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-header-left h2 {
    font-size: 1.5rem;
    font-weight: 700;
}

.section-header-left p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

/* Latest Section */
.latest-section {
    padding: 4rem 4rem;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

.latest-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.latest-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: all 0.4s var(--transition-smooth);
    opacity: 0;
    transform: translateY(30px) scale(0.95);
}

.latest-card.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.latest-card:nth-child(1) { transition-delay: 0.1s; }
.latest-card:nth-child(2) { transition-delay: 0.2s; }
.latest-card:nth-child(3) { transition-delay: 0.3s; }

.latest-card:hover {
    border-color: rgba(74, 158, 255, 0.3);
    transform: translateY(-4px) scale(1);
    box-shadow: 0 16px 48px -16px rgba(0, 0, 0, 0.4);
}

.latest-card-image {
    height: 160px;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    position: relative;
}

.latest-card-content {
    padding: 1.5rem;
}

.latest-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    line-height: 1.4;
    transition: color 0.3s var(--transition-smooth);
}

.latest-card:hover h3 {
    color: var(--accent);
}

.latest-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* All Articles Section */
.all-articles-section {
    padding: 4rem 4rem 5rem;
    background: var(--bg-primary);
}

.blog-filters {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    opacity: 0;
    transform: translateY(10px);
    animation: filterAppear 0.4s var(--transition-smooth) forwards;
}

.filter-btn:nth-child(1) { animation-delay: 0.1s; }
.filter-btn:nth-child(2) { animation-delay: 0.15s; }
.filter-btn:nth-child(3) { animation-delay: 0.2s; }
.filter-btn:nth-child(4) { animation-delay: 0.25s; }
.filter-btn:nth-child(5) { animation-delay: 0.3s; }

@keyframes filterAppear {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.filter-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s var(--transition-smooth);
    font-family: inherit;
}

.filter-btn:hover {
    border-color: var(--accent);
    color: var(--text-primary);
}

.filter-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

/* Articles List */
.articles-list {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background: var(--border);
    border-radius: 16px;
    overflow: hidden;
    max-width: 1100px;
    margin: 0 auto;
}

.article-list-item {
    display: grid;
    grid-template-columns: 60px 1fr auto;
    gap: 1.5rem;
    align-items: center;
    padding: 1.75rem 2rem;
    background: var(--bg-card);
    text-decoration: none;
    color: inherit;
    transition: all 0.4s var(--transition-smooth);
    opacity: 0;
    transform: translateX(-20px);
}

.article-list-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.article-list-item:nth-child(1) { transition-delay: 0.05s; }
.article-list-item:nth-child(2) { transition-delay: 0.1s; }
.article-list-item:nth-child(3) { transition-delay: 0.15s; }
.article-list-item:nth-child(4) { transition-delay: 0.2s; }
.article-list-item:nth-child(5) { transition-delay: 0.25s; }
.article-list-item:nth-child(6) { transition-delay: 0.3s; }
.article-list-item:nth-child(7) { transition-delay: 0.35s; }
.article-list-item:nth-child(8) { transition-delay: 0.4s; }
.article-list-item:nth-child(9) { transition-delay: 0.45s; }
.article-list-item:nth-child(10) { transition-delay: 0.5s; }

.article-list-item:hover {
    background: var(--bg-tertiary);
}

.article-list-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    transition: color 0.3s var(--transition-smooth);
}

.article-list-item:hover .article-list-number {
    color: var(--accent);
}

.article-list-main {
    flex: 1;
}

.article-list-content h4 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
    transition: color 0.3s var(--transition-smooth);
}

.article-list-item:hover h4 {
    color: var(--accent);
}

.article-list-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-list-arrow {
    color: var(--text-muted);
    transition: all 0.3s var(--transition-smooth);
}

.article-list-item:hover .article-list-arrow {
    color: var(--accent);
    transform: translateX(4px);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

/* Contact Page */
.contact-hero {
    padding: 8rem 4rem 3rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.contact-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(74, 158, 255, 0.08) 0%, transparent 60%);
    animation: float 20s ease-in-out infinite;
    pointer-events: none;
}

.contact-hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(96, 165, 250, 0.06) 0%, transparent 60%);
    animation: float 25s ease-in-out infinite reverse;
    pointer-events: none;
}

.contact-hero-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 70%);
    pointer-events: none;
}

.contact-hero-content {
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.contact-hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: 0.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s var(--transition-smooth) 0.1s forwards;
}

.contact-hero h1 .gradient {
    background: linear-gradient(135deg, var(--accent) 0%, #7ec8ff 50%, var(--accent) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 4s linear infinite;
}

.contact-hero p {
    color: var(--text-secondary);
    max-width: 600px;
    font-size: 1.1rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s var(--transition-smooth) 0.2s forwards;
}

.contact-section {
    padding: 4rem 4rem 5rem;
    background: var(--bg-primary);
}

.contact-wrapper {
    max-width: 1100px;
    margin: 0 auto;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
}

.contact-form-container,
.contact-info-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s var(--transition-smooth);
}

.contact-form-container.visible,
.contact-info-container.visible {
    opacity: 1;
    transform: translateY(0);
}

.contact-form-container { transition-delay: 0.1s; }
.contact-info-container { transition-delay: 0.2s; }

.contact-form-container h3,
.contact-info-container h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
    padding: 0.875rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    transition: all 0.3s var(--transition-smooth);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.contact-info-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-info-card {
    display: flex;
    gap: 1rem;
    align-items: center;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: all 0.4s var(--transition-smooth);
    opacity: 0;
    transform: translateX(-20px);
}

.contact-info-card.visible {
    opacity: 1;
    transform: translateX(0);
}

.contact-info-card:nth-child(1) { transition-delay: 0.1s; }
.contact-info-card:nth-child(2) { transition-delay: 0.2s; }
.contact-info-card:nth-child(3) { transition-delay: 0.3s; }
.contact-info-card:nth-child(4) { transition-delay: 0.4s; }

.contact-info-card:hover {
    border-color: rgba(74, 158, 255, 0.3);
    transform: translateX(4px);
}

.contact-info-icon {
    width: 44px;
    height: 44px;
    background: var(--accent-glow);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
}

.contact-info-content h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.15rem;
}

.contact-info-content p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.contact-info-content a {
    color: var(--accent);
    text-decoration: none;
    font-size: 0.85rem;
}

.contact-info-content a:hover {
    text-decoration: underline;
}

/* Legal Pages (Impressum, Datenschutz) */
.legal-hero {
    padding: 8rem 4rem 2rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}

.legal-hero h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 0.5rem;
}

.legal-hero p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

.legal-content h2 {
    font-size: 1.25rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.legal-content h3 {
    font-size: 1rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.legal-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.legal-content ul {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.legal-content li {
    margin-bottom: 0.5rem;
}

.legal-content a {
    color: var(--accent);
    text-decoration: none;
}

.legal-content a:hover {
    text-decoration: underline;
}

/* Article Modal */
.article-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(8, 9, 12, 0.95);
    backdrop-filter: blur(10px);
    overflow-y: auto;
    padding: 2rem;
}

.article-modal.active {
    display: block;
}

.article-modal-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 3rem;
    position: relative;
}

.article-modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all 0.3s var(--transition-smooth);
}

.article-modal-close:hover {
    background: var(--accent);
    border-color: var(--accent);
}

.article-modal-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.article-modal-category {
    color: var(--accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.article-modal h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    line-height: 1.3;
}

.article-modal-body {
    color: var(--text-secondary);
    line-height: 1.9;
}

.article-modal-body h3 {
    color: var(--text-primary);
    font-size: 1.25rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.article-modal-body p {
    margin-bottom: 1.25rem;
}

/* Responsive */
@media (max-width: 1024px) {
    nav {
        padding: 1rem 2rem;
    }

    .hero {
        padding: 6rem 2rem 3rem;
    }

    section {
        padding: 3.5rem 2rem;
    }

    .philosophy-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

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

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 900px) {
    .features-grid,
    .articles-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
    }
}

@media (max-width: 768px) {
    nav {
        padding: 1rem 1.5rem;
    }

    nav.scrolled {
        padding: 0.75rem 1.5rem;
    }

    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding: 5rem 1.5rem 2.5rem;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    section {
        padding: 3rem 1.5rem;
    }

    .waveform-container {
        height: 50vh;
        opacity: 0.2;
    }

    .waveform-track {
        height: 50vh;
        gap: 6px;
    }

    .philosophy-stat {
        padding: 1rem 1.25rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.75rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    footer {
        padding: 2.5rem 1.5rem 1.5rem;
    }

    .blog-hero,
    .contact-hero,
    .legal-hero {
        padding: 6rem 1.5rem 2rem;
    }

    .featured-section {
        padding: 2rem 1.5rem;
    }

    .featured-article {
        grid-template-columns: 1fr;
    }

    .featured-article-image {
        min-height: 200px;
    }

    .featured-article-content {
        padding: 1.5rem;
    }

    .featured-article-content h2 {
        font-size: 1.4rem;
    }

    .blog-section {
        padding: 2rem 1.5rem 4rem;
    }

    .blog-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .article-list-item {
        grid-template-columns: 40px 1fr;
        gap: 1rem;
        padding: 1.25rem 1.5rem;
    }

    .article-list-number {
        font-size: 1.2rem;
    }

    .article-list-content h4 {
        font-size: 1rem;
    }

    .article-list-arrow {
        display: none;
    }

    .contact-section {
        padding: 2rem 1.5rem 4rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-form-container,
    .contact-info-container {
        padding: 1.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .blog-grid {
        grid-template-columns: 1fr;
    }

    .article-modal-content {
        padding: 2rem 1.5rem;
    }

    .article-modal h2 {
        font-size: 1.5rem;
    }

    .newsletter-form {
        flex-direction: column;
    }
}