/* ===== CSS Variables & Reset ===== */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1e1e36;
    --bg-card-hover: #282850;
    --bg-surface: #16162a;
    --text-primary: #f0f0f5;
    --text-secondary: #b0b0c8;
    --text-muted: #9494b0;
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-tertiary: #a78bfa;
    --gradient-primary: linear-gradient(135deg, #6366f1, #8b5cf6, #a78bfa);
    --gradient-hot: linear-gradient(135deg, #f43f5e, #fb923c);
    --gradient-ai: linear-gradient(135deg, #6366f1, #8b5cf6);
    --gradient-web: linear-gradient(135deg, #06b6d4, #3b82f6);
    --gradient-cloud: linear-gradient(135deg, #10b981, #06b6d4);
    --gradient-security: linear-gradient(135deg, #f43f5e, #e11d48);
    --gradient-startup: linear-gradient(135deg, #f59e0b, #f97316);
    --border-color: rgba(99, 102, 241, 0.15);
    --border-subtle: rgba(255, 255, 255, 0.06);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --font-thai: 'Prompt', 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --nav-height: 70px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
    --bg-primary: #f8f9fc;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f0f1f5;
    --bg-surface: #f0f1f5;
    --text-primary: #1a1a2e;
    --text-secondary: #555570;
    --text-muted: #6b6b85;
    --border-color: rgba(99, 102, 241, 0.2);
    --border-subtle: rgba(0, 0, 0, 0.08);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: var(--font-thai);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    padding-bottom: 44px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 60px 0;
    position: relative;
}

/* ===== Particles Background ===== */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
    opacity: 0.3;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--accent-primary);
    border-radius: 50%;
    opacity: 0.2;
    animation: float-particle linear infinite;
}

@keyframes float-particle {
    0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
    10% { opacity: 0.3; }
    90% { opacity: 0.3; }
    100% { transform: translateY(-100px) rotate(720deg); opacity: 0; }
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: 1000;
    transition: all 0.3s ease;
    background: rgba(10, 10, 15, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.92);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(99,102,241,0.15);
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

[data-theme="light"] .navbar {
    background: rgba(255, 255, 255, 0.8);
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

[data-theme="light"] .navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid rgba(0,0,0,0.1);
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: transparent;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: white;
}

.logo-text {
    font-size: 22px;
    font-weight: 800;
    font-family: 'Inter', sans-serif;
    letter-spacing: -0.5px;
}

.logo-highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 8px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
    background: rgba(99, 102, 241, 0.1);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.theme-toggle {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-subtle);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 16px;
}

.theme-toggle:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.btn-cta {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-thai);
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    padding: 120px 20px 80px;
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    color: var(--accent-tertiary);
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease;
}

.hero-badge i {
    color: #fb923c;
}

.hero-title {
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease 0.1s both;
}

.hero-line {
    display: block;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 32px;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s ease 0.3s both;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-thai);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(99, 102, 241, 0.4);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-thai);
}

.btn-outline:hover {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.05);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
}

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

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 36px;
    font-weight: 800;
    font-family: 'Inter', sans-serif;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid var(--border-color);
    border-radius: 14px;
    position: relative;
}

.scroll-indicator::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 2px;
    animation: scrollBounce 2s ease infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
    50% { transform: translateX(-50%) translateY(12px); opacity: 0.3; }
}

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

/* ===== Ticker ===== */
.ticker-section {
    display: flex;
    align-items: center;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    overflow: hidden;
    position: relative;
    z-index: 10;
}

.ticker-label {
    background: var(--gradient-hot);
    color: white;
    padding: 14px 24px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    flex-shrink: 0;
}

.ticker-wrapper {
    overflow: hidden;
    flex: 1;
}

.ticker-content {
    display: flex;
    gap: 40px;
    animation: ticker 40s linear infinite;
    white-space: nowrap;
    padding: 14px 0;
}

.ticker-item {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.trend-hot { color: #f43f5e; }
.trend-up { color: #10b981; }

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

/* ===== Section Headers ===== */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    color: var(--accent-tertiary);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    margin-bottom: 12px;
    line-height: 1.3;
}

.section-desc {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

/* ===== Category Filter ===== */
.category-filter {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

@media (max-width: 768px) {
    .category-filter {
        flex-wrap: nowrap;
        justify-content: flex-start;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .category-filter::-webkit-scrollbar { display: none; }
}

.cat-btn {
    padding: 8px 20px;
    border: 1px solid var(--border-subtle);
    background: transparent;
    color: var(--text-secondary);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-thai);
    display: flex;
    align-items: center;
    gap: 6px;
}

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

.cat-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

/* ===== Featured Article ===== */
.featured-article {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-subtle);
    margin-bottom: 40px;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.featured-article:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 16px 48px rgba(99,102,241,0.15), 0 4px 16px rgba(0,0,0,0.2);
    transform: translateY(-6px);
}

.featured-image {
    position: relative;
    min-height: 380px;
}

.featured-img-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gradient-ai);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-size: 80px;
    color: rgba(255, 255, 255, 0.45);
    position: relative;
    overflow: hidden;
}

.featured-img-placeholder i {
    filter: drop-shadow(0 6px 16px rgba(0,0,0,0.3));
}

.featured-overlay-text {
    font-size: 52px;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.15);
    letter-spacing: 12px;
    font-family: 'Inter', sans-serif;
}

.featured-badge-hot {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--gradient-hot);
    color: white;
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 6px;
}

.featured-content {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.article-meta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.meta-cat {
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.cat-ai { background: rgba(99, 102, 241, 0.15); color: #818cf8; }
.cat-web { background: rgba(6, 182, 212, 0.15); color: #22d3ee; }
.cat-cloud { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.cat-security { background: rgba(244, 63, 94, 0.15); color: #fb7185; }
.cat-startup { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }

.meta-date, .meta-read {
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

.featured-title {
    font-size: 24px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 12px;
}

.featured-desc {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.8;
}

.featured-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.tag {
    font-size: 12px;
    color: var(--accent-tertiary);
    background: rgba(99, 102, 241, 0.08);
    padding: 4px 12px;
    border-radius: 50px;
}

.btn-read-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: none;
    border: none;
    color: var(--accent-primary);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-thai);
    padding: 0;
}

.btn-read-more:hover {
    gap: 12px;
    color: var(--accent-secondary);
}

/* ===== Article Cards Grid ===== */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.article-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.08);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    box-shadow: 0 2px 12px rgba(0,0,0,0.2);
}

.article-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: 0 12px 40px rgba(99,102,241,0.15), 0 4px 12px rgba(0,0,0,0.2);
}

.article-card:hover .card-img-placeholder i {
    transform: scale(1.15);
}

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

.card-image {
    position: relative;
    aspect-ratio: 3 / 2;
    overflow: hidden;
}

.card-img-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 56px;
    color: rgba(255, 255, 255, 0.6);
    position: relative;
}

.card-img-placeholder::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: linear-gradient(transparent, rgba(0,0,0,0.3));
    pointer-events: none;
}

.card-img-placeholder i {
    position: relative;
    z-index: 1;
    transition: transform 0.35s ease;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.3));
}

.color-ai { background: var(--gradient-ai); }
.color-web { background: var(--gradient-web); }
.color-cloud { background: var(--gradient-cloud); }
.color-security { background: var(--gradient-security); }
.color-startup { background: var(--gradient-startup); }

.card-category {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(12px);
    color: white;
    padding: 5px 14px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    border: 1px solid rgba(255,255,255,0.1);
}

.card-trending {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--gradient-hot);
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    animation: pulse 2s ease infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.card-body {
    padding: 20px 20px 16px;
}

.card-meta {
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.card-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.card-title {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.3s ease;
    color: var(--text-primary);
}

.card-excerpt {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    opacity: 0.85;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    border-top: 1px solid var(--border-subtle);
}

.card-author {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
}

.author-avatar {
    width: 28px;
    height: 28px;
    background: var(--gradient-ai);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 700;
    color: white;
}

.bg-web { background: var(--gradient-web); }
.bg-cloud { background: var(--gradient-cloud); }
.bg-security { background: var(--gradient-security); }
.bg-startup { background: var(--gradient-startup); }

.read-time {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}

.load-more-wrapper {
    text-align: center;
}

/* ===== Tools Section ===== */
.tools-section {
    background: var(--bg-secondary);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.tool-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    overflow: hidden;
    transition: var(--transition);
}

.tool-card:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.tool-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-subtle);
}

.tool-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
    flex-shrink: 0;
}

.icon-ai { background: var(--gradient-ai); }
.icon-security { background: var(--gradient-security); }
.icon-dev { background: var(--gradient-web); }
.icon-design { background: linear-gradient(135deg, #ec4899, #f43f5e); }
.icon-content { background: var(--gradient-startup); }
.icon-util { background: var(--gradient-cloud); }

.tool-info h3 {
    font-size: 15px;
    font-weight: 700;
}

.tool-info p {
    font-size: 12px;
    color: var(--text-muted);
}

.tool-badge {
    margin-left: auto;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 50px;
    background: rgba(99, 102, 241, 0.15);
    color: #818cf8;
}

.badge-security { background: rgba(244, 63, 94, 0.15); color: #fb7185; }
.badge-dev { background: rgba(6, 182, 212, 0.15); color: #22d3ee; }
.badge-design { background: rgba(236, 72, 153, 0.15); color: #f472b6; }
.badge-content { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }
.badge-util { background: rgba(16, 185, 129, 0.15); color: #34d399; }

.tool-body {
    padding: 24px;
}

.tool-textarea {
    width: 100%;
    min-height: 100px;
    padding: 14px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-thai);
    font-size: 14px;
    line-height: 1.7;
    resize: vertical;
    outline: none;
    transition: var(--transition);
    margin-bottom: 14px;
}

.code-textarea {
    font-family: var(--font-mono);
    font-size: 13px;
}

.tool-textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.tool-textarea:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.tool-input {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-thai);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
    margin-bottom: 14px;
}

.tool-input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.tool-input:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.btn-tool {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-thai);
    width: 100%;
    justify-content: center;
}

.btn-tool:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

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

.btn-tool-secondary:hover {
    border-color: var(--accent-primary);
    box-shadow: none;
}

.tool-btn-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.tool-result {
    margin-top: 16px;
    padding: 16px;
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
    font-size: 14px;
    line-height: 1.7;
    display: none;
    animation: fadeInUp 0.3s ease;
}

.tool-result.show {
    display: block;
}

.tool-result pre {
    font-family: var(--font-mono);
    font-size: 13px;
    white-space: pre-wrap;
    word-break: break-all;
    color: var(--accent-tertiary);
}

/* Password tool */
.password-input-group {
    position: relative;
    margin-bottom: 14px;
}

.password-input-group .tool-input {
    padding-right: 44px;
    margin-bottom: 0;
}

.toggle-pass {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 8px;
    font-size: 14px;
}

.password-meter {
    height: 6px;
    background: var(--bg-surface);
    border-radius: 3px;
    margin-bottom: 8px;
    overflow: hidden;
}

.meter-bar {
    height: 100%;
    width: 0;
    border-radius: 3px;
    transition: width 0.4s ease, background 0.4s ease;
}

.password-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 8px;
    font-weight: 500;
}

/* Color palette */
.color-picker-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.color-picker-row label {
    font-size: 14px;
    font-weight: 500;
}

.color-picker-row input[type="color"] {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    background: none;
}

.color-hex {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--text-secondary);
}

.palette-type-row {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.palette-type-btn {
    padding: 6px 14px;
    border: 1px solid var(--border-subtle);
    background: transparent;
    color: var(--text-secondary);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-thai);
}

.palette-type-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

.palette-display {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    margin-bottom: 16px;
    min-height: 80px;
}

.palette-swatch {
    border-radius: var(--radius-sm);
    aspect-ratio: 1;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 8px 4px;
    font-family: var(--font-mono);
    font-size: 10px;
    color: white;
    text-shadow: 0 1px 2px rgba(0,0,0,0.5);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.palette-swatch:hover {
    transform: scale(1.05);
}

.palette-swatch .copy-hint {
    position: absolute;
    top: 4px;
    right: 4px;
    font-size: 9px;
    opacity: 0;
    transition: var(--transition);
}

.palette-swatch:hover .copy-hint {
    opacity: 1;
}

/* Word counter */
.word-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 16px;
}

.word-stat-item {
    text-align: center;
    padding: 16px 8px;
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
}

.word-stat-num {
    font-size: 24px;
    font-weight: 800;
    font-family: 'Inter', sans-serif;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.word-stat-label {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* QR Code */
.qr-display {
    margin-top: 16px;
    display: flex;
    justify-content: center;
    min-height: 0;
}

.qr-display canvas,
.qr-display svg {
    border-radius: var(--radius-sm);
}

/* Tools CTA */
.tools-cta {
    margin-top: 20px;
}

.tools-cta-content {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px 32px;
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: var(--radius-lg);
}

.tools-cta-content > i {
    font-size: 32px;
    color: #fbbf24;
    flex-shrink: 0;
}

.tools-cta-content h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}

.tools-cta-content p {
    font-size: 14px;
    color: var(--text-secondary);
}

.tools-cta-content .btn-primary {
    flex-shrink: 0;
    white-space: nowrap;
}

/* ===== Services Section ===== */
.services-grid {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 12px;
}
.services-grid::-webkit-scrollbar { height: 6px; }
.services-grid::-webkit-scrollbar-track { background: transparent; }
.services-grid::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }
.services-grid .service-card {
    min-width: 300px;
    max-width: 340px;
    flex-shrink: 0;
    scroll-snap-align: start;
}
.services-grid .service-card h3 { font-size: 16px; margin-bottom: 8px; }
.services-grid .service-card p { font-size: 13px; line-height: 1.6; margin-bottom: 12px; color: var(--text-secondary); }
.services-grid .service-features li { font-size: 13px; padding: 3px 0; }
.services-grid .service-price { margin: 8px 0; }
.services-grid .service-price .price-amount { font-size: 20px; }

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}
.service-card .btn-service { margin-top: auto; }

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.featured-service {
    border-color: var(--accent-primary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(139, 92, 246, 0.08));
    padding-top: 48px;
}

.service-popular {
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 4px 16px;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 6px;
}

.service-icon-wrap {
    position: relative;
    display: flex;
    justify-content: center;
    margin-bottom: 12px;
}

.service-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: white;
    position: relative;
    z-index: 1;
}

.si-platform { background: var(--gradient-web); }
.si-ai { background: var(--gradient-ai); }
.si-system { background: var(--gradient-cloud); }
.si-consult { background: var(--gradient-startup); }

.service-glow {
    position: absolute;
    inset: -4px;
    border-radius: 16px;
    background: inherit;
    filter: blur(12px);
    opacity: 0.3;
    z-index: 0;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.service-card > p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-features {
    list-style: none;
    text-align: left;
    margin-bottom: 20px;
}

.service-features li {
    padding: 6px 0;
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-features li i {
    color: #10b981;
    font-size: 12px;
    flex-shrink: 0;
}

.service-price {
    margin-bottom: 20px;
}

.price-from {
    font-size: 12px;
    color: var(--text-muted);
    display: block;
}

.price-amount {
    font-size: 28px;
    font-weight: 800;
    font-family: 'Inter', sans-serif;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn-service {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: transparent;
    color: var(--accent-primary);
    border: 1px solid var(--accent-primary);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-thai);
    width: 100%;
    justify-content: center;
}

.btn-service:hover {
    background: var(--accent-primary);
    color: white;
}

.btn-service-featured {
    background: var(--gradient-primary);
    color: white;
    border: none;
}

.btn-service-featured:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

/* ===== Process Steps ===== */
.process-section {
    padding-top: 20px;
}

.process-title {
    text-align: center;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 40px;
}

.process-steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    flex-wrap: wrap;
}

.process-step {
    text-align: center;
    max-width: 200px;
    position: relative;
}

.step-number {
    font-size: 36px;
    font-weight: 900;
    font-family: 'Inter', sans-serif;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
    margin-bottom: 8px;
}

.step-icon {
    width: 56px;
    height: 56px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--accent-primary);
    margin: 0 auto 12px;
}

.process-step h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}

.process-step p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.process-connector {
    display: flex;
    align-items: center;
    padding-top: 60px;
    color: var(--text-muted);
    font-size: 20px;
    margin: 0 12px;
}

/* ===== Testimonials ===== */
.testimonials-section {
    background: var(--bg-secondary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
}

.testimonial-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
}

.testimonial-stars {
    color: #fbbf24;
    font-size: 14px;
    margin-bottom: 16px;
    display: flex;
    gap: 4px;
}

.testimonial-text {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-avatar {
    width: 44px;
    height: 44px;
    background: var(--gradient-ai);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    color: white;
}

.testimonial-author strong {
    display: block;
    font-size: 14px;
}

.testimonial-author span {
    font-size: 12px;
    color: var(--text-muted);
}

/* ===== Contact Section ===== */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.contact-desc {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.contact-channels {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-channel {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
}

.contact-channel:hover {
    border-color: var(--accent-primary);
    transform: translateX(4px);
}

.channel-icon {
    width: 48px;
    height: 48px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--accent-primary);
}

.contact-channel strong {
    display: block;
    font-size: 14px;
}

.contact-channel span {
    font-size: 13px;
    color: var(--text-muted);
}

.contact-form-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.contact-form h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-thai);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%236b6b80'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 20px;
    padding-right: 40px;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
    padding: 60px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 12px;
    line-height: 1.7;
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    font-size: 14px;
}

.footer-social a:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.footer-links h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-links a {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 4px 0;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-primary);
    transform: translateX(4px);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--border-subtle);
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
}

/* ===== Modals ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    overflow-y: auto;
}

.modal-overlay.show {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    max-width: 700px;
    width: 100%;
    padding: 40px;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-subtle);
    background: var(--bg-surface);
    border-radius: 50%;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 10;
}

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

.article-modal-header {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.article-modal h2 {
    font-size: 24px;
    font-weight: 800;
    line-height: 1.4;
    margin-bottom: 24px;
}

.article-modal-body h3 {
    font-size: 18px;
    font-weight: 700;
    margin: 24px 0 12px;
    color: var(--accent-tertiary);
}

.article-modal-body p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.article-modal-body ul {
    margin: 12px 0 16px 20px;
}

.article-modal-body li {
    font-size: 15px;
    color: var(--text-secondary);
    padding: 4px 0;
    line-height: 1.7;
}

.article-cta-box {
    margin-top: 32px;
    padding: 24px;
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: var(--radius-md);
    text-align: center;
}

.article-cta-box h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.article-cta-box h4 i {
    color: var(--accent-primary);
}

.article-cta-box p {
    text-align: center;
    margin-bottom: 16px;
}

/* ===== Toast ===== */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--bg-card);
    border: 1px solid var(--accent-primary);
    border-radius: var(--radius-md);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 3000;
    box-shadow: var(--shadow-lg);
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast i {
    color: #10b981;
    font-size: 20px;
}

/* ===== Responsive ===== */
/* ===== RESPONSIVE: Large Tablet (1024px) ===== */
@media (max-width: 1024px) {
    .featured-article { grid-template-columns: 1fr; }
    .featured-image { min-height: 240px; border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
    .featured-image img { border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important; }
    .contact-wrapper { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .container { padding: 0 20px; }
}

/* ===== RESPONSIVE: Tablet (768px) ===== */
@media (max-width: 768px) {
    :root { --nav-height: 60px; }

    .nav-menu {
        display: none; position: fixed; top: var(--nav-height);
        left: 0; right: 0; background: var(--bg-secondary);
        border-bottom: 1px solid var(--border-subtle);
        flex-direction: column; padding: 16px; z-index: 999;
    }
    .nav-menu.show { display: flex; }
    .nav-toggle { display: flex; }
    .nav-cta { font-size: 12px !important; padding: 8px 14px !important; }
    .nav-cta span { display: none; }
    .nav-cta i { margin: 0; }
    .nav-logo .logo-text { font-size: 18px; }

    .section { padding: 48px 0; }
    .section-title { font-size: 24px; }
    .section-desc { font-size: 14px; }

    .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .stat-number { font-size: 28px; }

    .articles-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
    .featured-content { padding: 24px; }
    .featured-title { font-size: 20px; }

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

    .process-connector { display: none; }
    .process-steps { flex-direction: column; align-items: center; gap: 24px; }

    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }

    .tools-cta-content { flex-direction: column; text-align: center; }
    .word-stats { grid-template-columns: repeat(2, 1fr); }
    .ticker-label { display: none; }

    /* Touch-friendly sizes */
    .btn-primary, .btn-outline, .btn-service, .btn-cta { min-height: 44px; }
    .theme-toggle, .nav-toggle, .scroll-arrow { min-width: 44px; min-height: 44px; }
    .form-group input, .form-group select, .form-group textarea { min-height: 44px; font-size: 16px; }
    .cat-btn { min-height: 40px; padding: 8px 16px; }
}

/* ===== RESPONSIVE: Large Phone (600px) ===== */
@media (max-width: 600px) {
    .articles-grid { grid-template-columns: 1fr; gap: 16px; }
    .featured-article { margin: 0 -4px; }
    .featured-image { min-height: 300px; }
    .card-image { aspect-ratio: 1 / 1; }
    .services-hero-stats { flex-wrap: wrap; }
    .services-hero-stats .sh-stat { flex: 1 1 40%; min-width: 120px; }
    .process-step { width: 100%; max-width: 300px; }

    .card-title { font-size: 16px; }
    .card-excerpt { font-size: 13px; -webkit-line-clamp: 2; }

    .share-bar { flex-wrap: wrap; }
}

/* ===== RESPONSIVE: Phone (480px) ===== */
@media (max-width: 480px) {
    .container { padding: 0 16px; }

    .hero-title { font-size: 28px; }
    .hero-desc { font-size: 15px; }
    .hero-actions { flex-direction: column; gap: 10px; }
    .hero-actions .btn-lg { width: 100%; justify-content: center; }

    .section { padding: 36px 0; }
    .section-title { font-size: 22px; }
    .section-header { margin-bottom: 24px; }

    .articles-grid { grid-template-columns: 1fr; }
    .category-filter { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 8px; -webkit-overflow-scrolling: touch; }
    .cat-btn { flex-shrink: 0; font-size: 12px; }

    .featured-content { padding: 20px; }
    .featured-title { font-size: 18px; }
    .featured-desc { font-size: 13px; }
    .featured-tags .tag { font-size: 11px; }

    .modal-content { padding: 20px; margin: 10px; }

    .footer-grid { gap: 20px; }
    .footer-brand p { font-size: 13px; }
    .footer-links h4 { font-size: 14px; }
    .footer-links a { font-size: 13px; }

    /* Services page */
    .services-hero h1 { font-size: 24px; }
    .services-hero p { font-size: 14px; }
    .service-card { padding: 20px; }
    .featured-service { padding-top: 40px; }
    .service-card h3 { font-size: 18px; }
    .service-features li { font-size: 13px; }
    .price-amount { font-size: 22px !important; }

    /* Ticker */
    .ticker-section { padding: 8px 0; }
    .ticker-item { font-size: 12px; padding: 0 20px; }
}

/* ===== RESPONSIVE: Small Phone (375px) ===== */
@media (max-width: 375px) {
    .container { padding: 0 12px; }
    .section-title { font-size: 20px; }
    .section-desc { font-size: 13px; }

    .nav-logo .logo-text { font-size: 16px; }
    .logo-icon { width: 32px; height: 32px; font-size: 14px; }

    .featured-image { min-height: 260px; }
    .featured-content { padding: 16px; }
    .featured-title { font-size: 16px; }
    .card-image { aspect-ratio: 1 / 1; }

    .card-body { padding: 14px; }
    .card-title { font-size: 15px; }
    .card-meta { font-size: 11px; }

    .services-hero h1 { font-size: 20px; }
    .services-hero-stats { gap: 8px; }
    .sh-stat { padding: 12px 8px; }
    .sh-num { font-size: 18px; }
    .sh-label { font-size: 10px; }

    .process-step h4 { font-size: 14px; }
    .process-step p { font-size: 12px; }

    .btn-primary, .btn-outline { font-size: 13px; padding: 12px 20px; }
    .btn-service { font-size: 13px; padding: 12px 16px; }
}

/* ===== Infographic Cards — larger content all screens ===== */
.infographic-card { gap: 14px !important; padding: 32px 28px !important; }
.infographic-card > i { font-size: 58px !important; }
.infographic-card > div[style*="font-weight:900"] { font-size: 50px !important; }
.infographic-card > div[style*="font-weight:600"]:not([style*="position:absolute"]):not([style*="display:flex"]):not([style*="display: flex"]) { font-size: 18px !important; }
.infographic-card > div[style*="display:flex"] > div,
.infographic-card > div[style*="display: flex"] > div { font-size: 14px !important; padding: 5px 12px !important; }

/* ===== Mobile Polish ===== */
@media (max-width: 768px) {
    /* Featured article stack */
    .featured-article { display:flex; flex-direction:column; }
    .featured-image { border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
    .featured-image img { border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important; }
    .featured-content { border-radius: 0 0 var(--radius-lg) var(--radius-lg); }

    /* Infographic cards — mobile fine-tune */
    .infographic-card { min-height: 200px !important; padding: 28px 20px !important; }
    .infographic-card > i { font-size: 54px !important; }
    .infographic-card > div[style*="font-weight:900"] { font-size: 46px !important; }
    .infographic-card > div[style*="font-weight:600"]:not([style*="position:absolute"]):not([style*="display:flex"]):not([style*="display: flex"]) { font-size: 17px !important; }
    .infographic-card > div[style*="display:flex"] > div,
    .infographic-card > div[style*="display: flex"] > div { font-size: 13px !important; padding: 4px 10px !important; }

    /* Footer mobile */
    .footer-grid { grid-template-columns: 1fr 1fr !important; }
    .footer-brand { grid-column: 1 / -1; }

    /* Cookie banner mobile */
    #cookieBanner > div > div > div { flex-wrap: nowrap !important; gap: 10px !important; }
    #cookieBanner > div > div > div > span { font-size: 11px !important; line-height: 1.3 !important; }
    #cookieBanner > div > div > div > div { flex-shrink: 0 !important; }
    #cookieSettings { padding: 12px !important; }

    /* Category filter scroll */
    .category-filter { overflow-x: auto; flex-wrap: nowrap !important; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
    .category-filter::-webkit-scrollbar { display: none; }
    .cat-btn { flex-shrink: 0; white-space: nowrap; }

    /* Services: stack vertically on mobile */
    .services-scroll-wrap { position: relative; }
    .services-grid { display: flex !important; flex-direction: column !important; gap: 16px !important; overflow: visible !important; align-items: center !important; }
    .service-card { min-width: auto !important; width: 100% !important; max-width: 400px !important; flex-shrink: 1 !important; }
    .svc-arrow { display: none !important; }
    .scroll-dots { display: none !important; }

    /* Share bar */
    .share-bar { justify-content: center; }

    /* Article hero banners */
    .article-hero-banner { padding: 24px 16px !important; }
    .banner-title { font-size: 22px !important; }
    .banner-price-row { flex-direction: column !important; gap: 8px !important; }
    .banner-price-card .bp-value { font-size: 22px !important; }

    /* Mockup cards */
    .chart-grid, [style*="grid-template-columns:repeat(auto-fit,minmax(320px"] { grid-template-columns: 1fr !important; }
}

@media (max-width: 480px) {
    .footer-grid { grid-template-columns: 1fr !important; }
    .nav-logo .logo-icon img { width: 32px !important; height: 32px !important; }
    .featured-tags { gap: 4px; }
    .featured-tags .tag { font-size: 10px; padding: 3px 8px; }

}

/* ===== Scroll Animations ===== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Skip Navigation ===== */
.skip-link {
    position: fixed;
    top: -100%;
    left: 16px;
    z-index: 10000;
    padding: 12px 24px;
    background: var(--accent-primary);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    opacity: 0;
    pointer-events: none;
    transition: top 0.2s, opacity 0.2s;
}
.skip-link:focus {
    top: 12px;
    opacity: 1;
    pointer-events: auto;
}