/* ============================================
   Best AdBlocker - Landing Page Styles
   ============================================ */

:root {
    --brand-green: #2e7d32;
    --brand-green-light: #4caf50;
    --brand-green-dark: #1b5e20;
    --brand-green-subtle: #e8f5e9;
    --brand-green-glow: rgba(76, 175, 80, 0.15);

    --neutral-50: #fafafa;
    --neutral-100: #f5f5f5;
    --neutral-200: #eeeeee;
    --neutral-300: #e0e0e0;
    --neutral-400: #bdbdbd;
    --neutral-500: #9e9e9e;
    --neutral-600: #757575;
    --neutral-700: #616161;
    --neutral-800: #424242;
    --neutral-900: #212121;

    --bg-primary: #ffffff;
    --bg-secondary: #f8faf8;
    --bg-dark: #0a1a0d;
    --bg-card: #ffffff;

    --text-primary: #1a1a1a;
    --text-secondary: #555555;
    --text-muted: #888888;
    --text-on-dark: #ffffff;
    --text-on-green: #ffffff;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.10);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.12);
    --shadow-green: 0 4px 20px rgba(46, 125, 50, 0.25);

    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    --container-max: 1200px;
    --section-py: 100px;
    --section-py-mobile: 60px;
}

/* ============================================
   Reset & Base
   ============================================ */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

/* ============================================
   Container
   ============================================ */

.container-custom {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   Navbar
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-primary);
}

.navbar-brand img {
    width: 36px;
    height: 36px;
}

.navbar-brand span {
    color: var(--brand-green);
}

.navbar-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.navbar-links a:not(.navbar-cta) {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 4px 0;
}

.navbar-links a:not(.navbar-cta)::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--brand-green);
    border-radius: 1px;
    transition: width var(--transition-base);
}

.navbar-links a:not(.navbar-cta):hover {
    color: var(--brand-green);
}

.navbar-links a:not(.navbar-cta):hover::after {
    width: 100%;
}

.navbar-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 36px;
    background: var(--brand-green);
    color: var(--text-on-green) !important;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    white-space: nowrap;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-green);
}

.navbar-cta::after {
    display: none !important;
}

.navbar-cta:hover {
    background: var(--brand-green-dark);
    color: var(--text-on-green) !important;
    transform: translateY(-1px);
    box-shadow: 0 6px 25px rgba(46, 125, 50, 0.35);
}

/* Mobile Menu Toggle */
.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

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

.navbar-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.navbar-toggle.active span:nth-child(2) {
    opacity: 0;
}

.navbar-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    padding: 140px 0 var(--section-py);
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--brand-green-glow) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text {
    max-width: 560px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--brand-green-subtle);
    color: var(--brand-green);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 0.02em;
}

.hero-badge i {
    font-size: 1rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, var(--brand-green) 0%, var(--brand-green-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.15rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 36px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-note {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 16px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.hero-note i {
    color: var(--brand-green);
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(0,0,0,0.08);
}

.hero-image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
}

.hero-stats {
    display: flex;
    gap: 32px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--neutral-200);
}

.hero-stat {
    text-align: left;
}

.hero-stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--brand-green);
    line-height: 1.2;
}

.hero-stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ============================================
   Buttons
   ============================================ */

.btn-primary-green {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    background: var(--brand-green);
    color: var(--text-on-green);
    border: none;
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-green);
}

.btn-primary-green:hover {
    background: var(--brand-green-dark);
    color: var(--text-on-green);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(46, 125, 50, 0.35);
}

.btn-primary-green i {
    font-size: 1.2rem;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 28px;
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--neutral-300);
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-outline:hover {
    border-color: var(--brand-green);
    color: var(--brand-green);
    background: var(--brand-green-subtle);
}

/* ============================================
   Section Common
   ============================================ */

.section {
    padding: var(--section-py) 0;
}

.section-alt {
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 64px;
}

.section-header h2 {
    font-size: clamp(2rem, 3.5vw, 2.75rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   Features
   ============================================ */

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    padding: 36px 32px;
    background: var(--bg-card);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.feature-card:hover {
    border-color: var(--brand-green-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.feature-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--brand-green-subtle);
    color: var(--brand-green);
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.feature-card p {
    font-size: 0.925rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   How It Works
   ============================================ */

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    position: relative;
}

.steps-grid::before {
    content: '';
    position: absolute;
    top: 44px;
    left: calc(16.66% + 20px);
    right: calc(16.66% + 20px);
    height: 2px;
    background: linear-gradient(90deg, var(--brand-green-light), var(--brand-green), var(--brand-green-light));
    opacity: 0.3;
}

.step-card {
    text-align: center;
    position: relative;
}

.step-number {
    width: 88px;
    height: 88px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    background: var(--brand-green-subtle);
    border: 2px solid var(--brand-green-light);
    border-radius: 50%;
    font-size: 2rem;
    color: var(--brand-green);
    position: relative;
    z-index: 1;
}

.step-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.step-card p {
    font-size: 0.925rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 280px;
    margin: 0 auto;
}

/* ============================================
   Stats Bar
   ============================================ */

.stats-bar {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--brand-green-dark) 0%, var(--brand-green) 50%, var(--brand-green-light) 100%);
    color: var(--text-on-green);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.stat-item h3 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 4px;
}

.stat-item p {
    font-size: 0.9rem;
    opacity: 0.85;
    font-weight: 500;
}

/* ============================================
   Gallery
   ============================================ */

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.gallery-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0,0,0,0.06);
    transition: all var(--transition-base);
}

.gallery-item:first-child {
    grid-column: 1 / -1;
}

.gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ============================================
   FAQ
   ============================================ */

.faq-list {
    max-width: 768px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-base);
    background: var(--bg-card);
}

.faq-item:hover {
    border-color: var(--neutral-300);
}

.faq-item.active {
    border-color: var(--brand-green-light);
    box-shadow: var(--shadow-sm);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 20px 24px;
    background: none;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    gap: 16px;
}

.faq-question:hover {
    color: var(--brand-green);
}

.faq-question i {
    font-size: 1.25rem;
    color: var(--text-muted);
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
    color: var(--brand-green);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-answer-inner {
    padding: 0 24px 20px;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   CTA Section
   ============================================ */

.cta-section {
    padding: var(--section-py) 0;
    text-align: center;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.cta-card {
    max-width: 720px;
    margin: 0 auto;
    padding: 64px 48px;
    background: linear-gradient(135deg, var(--brand-green-dark) 0%, var(--brand-green) 100%);
    border-radius: var(--radius-xl);
    color: var(--text-on-green);
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
    pointer-events: none;
}

.cta-card h2 {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 800;
    margin-bottom: 16px;
    position: relative;
}

.cta-card p {
    font-size: 1.05rem;
    opacity: 0.9;
    max-width: 520px;
    margin: 0 auto 32px;
    line-height: 1.6;
    position: relative;
}

.cta-btn-white {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    background: white;
    color: var(--brand-green-dark);
    border: none;
    border-radius: var(--radius-full);
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
}

.cta-btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
    color: var(--brand-green-dark);
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: 28px;
    margin-top: 24px;
    font-size: 0.875rem;
    opacity: 0.9;
    flex-wrap: wrap;
    position: relative;
}

.cta-features span {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: var(--bg-dark);
    color: rgba(255,255,255,0.7);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.footer-brand img {
    width: 32px;
    height: 32px;
}

.footer-brand-text {
    font-weight: 700;
    font-size: 1.1rem;
    color: white;
}

.footer-brand-text span {
    color: var(--brand-green-light);
}

.footer-description {
    font-size: 0.9rem;
    line-height: 1.6;
    max-width: 300px;
}

.footer-column h4 {
    font-size: 0.85rem;
    font-weight: 600;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 20px;
}

.footer-column ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-column a {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--brand-green-light);
}

.footer-bottom {
    padding: 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.4);
}

/* ============================================
   Mobile Navigation Overlay
   ============================================ */

.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.mobile-nav.open {
    opacity: 1;
    visibility: visible;
}

.mobile-nav a {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    padding: 8px 0;
}

.mobile-nav a:hover {
    color: var(--brand-green);
}

.mobile-nav .navbar-cta {
    margin-top: 16px;
    padding: 14px 32px;
    font-size: 1rem;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

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

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

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

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

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-py: 64px;
    }

    .navbar-links {
        display: none;
    }

    .navbar-toggle {
        display: flex;
    }

    .mobile-nav {
        display: flex;
    }

    .hero {
        padding-top: 120px;
    }

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

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

    .steps-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .steps-grid::before {
        display: none;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

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

    .gallery-item:first-child {
        grid-column: auto;
    }

    .cta-card {
        padding: 48px 24px;
    }

    .cta-features {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .btn-primary-green,
    .btn-outline {
        padding: 14px 28px;
        font-size: 0.95rem;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .hero-actions .btn-primary-green,
    .hero-actions .btn-outline {
        width: 100%;
        justify-content: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.9rem;
    }

    .section-header h2 {
        font-size: 1.6rem;
    }

    .stat-item h3 {
        font-size: 1.5rem;
    }
}