/* ===== CSS Variables ===== */
:root {
    /* Primary Colors - Teal/Green for privacy & security */
    --primary-50: #f0fdfa;
    --primary-100: #ccfbf1;
    --primary-200: #99f6e4;
    --primary-300: #5eead4;
    --primary-400: #2dd4bf;
    --primary-500: #14b8a6;
    --primary-600: #0d9488;
    --primary-700: #0f766e;
    --primary-800: #115e59;
    --primary-900: #134e4a;

    /* Secondary Colors - Deep Blue for trust */
    --secondary-500: #3b82f6;
    --secondary-600: #2563eb;
    --secondary-700: #1d4ed8;

    /* Neutral Colors */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Semantic Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: #ffffff;
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    color: var(--gray-900);
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }

.gradient-text {
    background: linear-gradient(135deg, var(--primary-500), var(--secondary-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-family);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: 0.875rem;
}

.btn-md {
    padding: var(--space-3) var(--space-6);
    font-size: 1rem;
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: 1.125rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    box-shadow: 0 4px 14px 0 rgba(20, 184, 166, 0.39);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(20, 184, 166, 0.45);
}

.btn-outline {
    background: transparent;
    color: var(--gray-700);
    border: 2px solid var(--gray-300);
}

.btn-outline:hover {
    border-color: var(--primary-500);
    color: var(--primary-600);
}

.btn-block {
    width: 100%;
}

.btn-icon {
    width: 1.25em;
    height: 1.25em;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-100);
    padding: var(--space-4) 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.logo-img {
    width: 40px;
    height: 40px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--gray-900);
}

.logo-byline {
    font-size: 0.8rem;
    color: var(--gray-400);
    margin-left: var(--space-2);
    align-self: center;
}

.logo-byline a {
    color: var(--primary-600);
    text-decoration: none;
    font-weight: 500;
}

.logo-byline a:hover {
    color: var(--primary-700);
    text-decoration: underline;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-links a {
    font-weight: 500;
    color: var(--gray-600);
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--primary-600);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: var(--space-2);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    transition: all var(--transition-base);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    padding: calc(var(--space-24) + 80px) 0 var(--space-20);
    overflow: hidden;
    background: linear-gradient(135deg, var(--gray-50) 0%, white 50%, var(--primary-50) 100%);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 80%, rgba(20, 184, 166, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--primary-100);
    color: var(--primary-700);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-6);
}

.badge-icon {
    font-size: 1rem;
}

.hero h1 {
    margin-bottom: var(--space-6);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: var(--space-8);
    max-width: 540px;
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-10);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: var(--space-10);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--gray-900);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* Phone Mockup */
.hero-image {
    display: flex;
    justify-content: center;
}

.phone-mockup {
    width: 280px;
    height: 580px;
    background: linear-gradient(135deg, var(--gray-800), var(--gray-900));
    border-radius: 40px;
    padding: 12px;
    box-shadow: var(--shadow-2xl);
    transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #ffffff;
    border-radius: 32px;
    overflow: hidden;
}

.app-preview {
    padding: var(--space-6);
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
}

.app-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
}

.app-year {
    font-size: 0.875rem;
    color: var(--gray-500);
    background: var(--gray-100);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
}

.app-total {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
    text-align: center;
}

.total-label {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
    margin-bottom: var(--space-1);
}

.total-amount {
    display: block;
    color: white;
    font-size: 2rem;
    font-weight: 800;
}

.donation-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.donation-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
}

.donation-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 700;
}

.donation-icon.cash {
    background: var(--primary-100);
    color: var(--primary-600);
}

.donation-icon.goods {
    background: var(--secondary-500);
    background: rgba(59, 130, 246, 0.1);
    color: var(--secondary-600);
}

.donation-details {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.donation-name {
    font-weight: 600;
    color: var(--gray-800);
    font-size: 0.875rem;
}

.donation-date {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.donation-amount {
    font-weight: 700;
    color: var(--gray-900);
    font-size: 0.875rem;
}

/* ===== Trust Section ===== */
.trust-section {
    padding: var(--space-12) 0;
    background: white;
    border-bottom: 1px solid var(--gray-100);
}

.trust-badges {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-8);
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--gray-500);
    font-size: 0.875rem;
    font-weight: 500;
}

.trust-badge svg {
    width: 20px;
    height: 20px;
    stroke: var(--primary-500);
}

/* ===== Section Styles ===== */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-16);
}

.section-tag {
    display: inline-block;
    padding: var(--space-1) var(--space-4);
    background: var(--primary-100);
    color: var(--primary-700);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.section-header h2 {
    margin-bottom: var(--space-4);
}

.section-header p {
    color: var(--gray-600);
    font-size: 1.125rem;
}

/* ===== Problem Section ===== */
.problem-section {
    padding: var(--space-24) 0;
    background: var(--gray-900);
    color: white;
}

.problem-section .section-tag {
    background: rgba(255, 255, 255, 0.1);
    color: var(--primary-300);
}

.problem-section .section-header h2 {
    color: white;
}

.problem-section .section-header p {
    color: var(--gray-400);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.problem-card {
    padding: var(--space-8);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.problem-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-4);
}

.problem-card h3 {
    color: white;
    margin-bottom: var(--space-3);
}

.problem-card p {
    color: var(--gray-400);
}

/* ===== Solution / Features Section ===== */
.solution-section {
    padding: var(--space-24) 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.feature-card {
    padding: var(--space-8);
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-100);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-200);
}

.feature-card.featured {
    background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
    border-color: var(--primary-200);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: white;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
    box-shadow: var(--shadow-sm);
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--primary-600);
}

.feature-card h3 {
    margin-bottom: var(--space-2);
}

.feature-card p {
    color: var(--gray-600);
    font-size: 0.9375rem;
}

/* ===== How It Works ===== */
.how-it-works {
    padding: var(--space-24) 0;
    background: var(--gray-50);
}

.steps-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
}

.step-card {
    flex: 1;
    max-width: 280px;
    padding: var(--space-8);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.step-number {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 800;
    margin: 0 auto var(--space-4);
}

.step-content h3 {
    margin-bottom: var(--space-2);
}

.step-content p {
    color: var(--gray-600);
    font-size: 0.9375rem;
}

.step-arrow {
    flex-shrink: 0;
}

.step-arrow svg {
    width: 32px;
    height: 32px;
    stroke: var(--gray-300);
}

/* ===== Testimonials ===== */
.testimonials-section {
    padding: var(--space-24) 0;
    background: white;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.testimonial-card {
    padding: var(--space-8);
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-100);
}

.stars {
    color: #fbbf24;
    font-size: 1.25rem;
    margin-bottom: var(--space-4);
}

.testimonial-card p {
    color: var(--gray-700);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-400), var(--primary-600));
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: var(--gray-900);
}

.author-title {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* ===== Pricing Section ===== */
.pricing-section {
    padding: var(--space-24) 0;
    background: linear-gradient(135deg, var(--gray-900), var(--gray-800));
    color: white;
}

.pricing-section .section-tag {
    background: rgba(255, 255, 255, 0.1);
    color: var(--primary-300);
}

.pricing-section .section-header h2 {
    color: white;
}

.pricing-section .section-header p {
    color: var(--gray-400);
}

.pricing-card {
    max-width: 400px;
    margin: 0 auto;
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--space-10);
    text-align: center;
}

.pricing-header {
    margin-bottom: var(--space-8);
}

.pricing-label {
    display: inline-block;
    padding: var(--space-1) var(--space-4);
    background: var(--primary-100);
    color: var(--primary-700);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.pricing-amount {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-1);
}

.currency {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

.price {
    font-size: 4rem;
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1;
}

.period {
    font-size: 1rem;
    color: var(--gray-500);
}

.pricing-features {
    text-align: left;
    margin-bottom: var(--space-8);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features svg {
    width: 20px;
    height: 20px;
    stroke: var(--primary-500);
    flex-shrink: 0;
}

.pricing-cta {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.pricing-note {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* ===== Comparison Section ===== */
.comparison-section {
    padding: var(--space-24) 0;
    background: white;
}

.comparison-table {
    max-width: 800px;
    margin: 0 auto;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.comparison-header,
.comparison-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
}

.comparison-header {
    background: var(--gray-100);
    font-weight: 700;
    color: var(--gray-900);
}

.comparison-header > div,
.comparison-row > div {
    padding: var(--space-4) var(--space-6);
}

.comparison-row {
    border-top: 1px solid var(--gray-100);
}

.comparison-row:nth-child(even) {
    background: var(--gray-50);
}

.comparison-feature {
    font-weight: 500;
    color: var(--gray-700);
}

.comparison-deductly {
    background: var(--primary-50);
    color: var(--primary-700);
    font-weight: 500;
}

.comparison-header .comparison-deductly {
    background: var(--primary-100);
}

.check {
    color: var(--primary-500);
    font-weight: 700;
}

.cross {
    color: var(--gray-400);
}

/* ===== FAQ Section ===== */
.faq-section {
    padding: var(--space-24) 0;
    background: var(--gray-50);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.faq-item {
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
}

.faq-question svg {
    width: 20px;
    height: 20px;
    stroke: var(--gray-400);
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

.faq-item.active .faq-question svg {
    transform: rotate(45deg);
}

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

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 var(--space-6) var(--space-5);
    color: var(--gray-600);
    line-height: 1.7;
}

/* ===== Download Section ===== */
.download-section {
    padding: var(--space-24) 0;
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: white;
}

.download-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.download-content h2 {
    color: white;
    margin-bottom: var(--space-4);
}

.download-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: var(--space-8);
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
    flex-wrap: wrap;
}

.store-button {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-6);
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-lg);
    color: white;
    transition: all var(--transition-base);
}

.store-button:hover {
    background: rgba(0, 0, 0, 0.5);
    transform: translateY(-2px);
}

.store-button svg {
    width: 32px;
    height: 32px;
}

.store-text {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.store-label {
    font-size: 0.75rem;
    opacity: 0.8;
}

.store-name {
    font-size: 1.125rem;
    font-weight: 600;
}

.download-note {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
}

.download-note svg {
    width: 16px;
    height: 16px;
}

/* ===== Footer ===== */
.footer {
    padding: var(--space-16) 0 var(--space-8);
    background: var(--gray-900);
    color: var(--gray-400);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-brand .logo {
    margin-bottom: var(--space-4);
}

.footer-brand .logo-text {
    color: white;
}

.footer-brand p {
    margin-bottom: var(--space-4);
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: var(--space-4);
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.social-links a:hover {
    background: var(--primary-500);
    color: white;
}

.social-links svg {
    width: 18px;
    height: 18px;
}

.footer-links h4 {
    color: white;
    margin-bottom: var(--space-4);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-tagline {
    color: var(--primary-400);
    font-weight: 500;
}

/* ===== Blog Page Styles ===== */
.page-header {
    padding: calc(var(--space-24) + 80px) 0 var(--space-16);
    background: linear-gradient(135deg, var(--gray-50) 0%, white 100%);
    text-align: center;
}

.page-header h1 {
    margin-bottom: var(--space-4);
}

.page-header p {
    color: var(--gray-600);
    font-size: 1.25rem;
}

.blog-grid {
    padding: var(--space-16) 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}

.blog-card {
    background: white;
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.blog-card-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
    display: flex;
    align-items: center;
    justify-content: center;
}

.blog-card-image svg {
    width: 64px;
    height: 64px;
    stroke: var(--primary-600);
}

.blog-card-content {
    padding: var(--space-6);
}

.blog-card-tag {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: var(--primary-100);
    color: var(--primary-700);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.blog-card h3 {
    margin-bottom: var(--space-2);
}

.blog-card h3 a {
    color: var(--gray-900);
    transition: color var(--transition-fast);
}

.blog-card h3 a:hover {
    color: var(--primary-600);
}

.blog-card p {
    color: var(--gray-600);
    font-size: 0.9375rem;
    margin-bottom: var(--space-4);
}

.blog-card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* Blog Article Page */
.article-header {
    padding: calc(var(--space-24) + 80px) 0 var(--space-12);
    background: linear-gradient(135deg, var(--gray-50) 0%, white 100%);
}

.article-header .container {
    max-width: 800px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.article-tag {
    padding: var(--space-1) var(--space-3);
    background: var(--primary-100);
    color: var(--primary-700);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
}

.article-date {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.article-header h1 {
    margin-bottom: var(--space-4);
    font-size: clamp(2rem, 4vw, 2.5rem);
}

.article-excerpt {
    color: var(--gray-600);
    font-size: 1.25rem;
}

.article-content {
    padding: var(--space-12) 0;
}

.article-content .container {
    max-width: 800px;
}

.article-body {
    font-size: 1.125rem;
    line-height: 1.8;
}

.article-body h2 {
    margin-top: var(--space-10);
    margin-bottom: var(--space-4);
}

.article-body h3 {
    margin-top: var(--space-8);
    margin-bottom: var(--space-3);
}

.article-body p {
    margin-bottom: var(--space-6);
}

.article-body ul, .article-body ol {
    margin-bottom: var(--space-6);
    padding-left: var(--space-6);
}

.article-body li {
    margin-bottom: var(--space-2);
}

.article-body blockquote {
    border-left: 4px solid var(--primary-500);
    padding-left: var(--space-6);
    margin: var(--space-8) 0;
    font-style: italic;
    color: var(--gray-600);
}

.article-cta {
    margin-top: var(--space-12);
    padding: var(--space-8);
    background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
    border-radius: var(--radius-xl);
    text-align: center;
}

.article-cta h3 {
    margin-bottom: var(--space-2);
}

.article-cta p {
    color: var(--gray-600);
    margin-bottom: var(--space-4);
}

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

    .hero-content {
        order: 1;
    }

    .hero-image {
        order: 0;
        margin-bottom: var(--space-8);
    }

    .hero-subtitle {
        margin: 0 auto var(--space-8);
    }

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

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

    .phone-mockup {
        transform: none;
        width: 240px;
        height: 500px;
    }

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

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

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: var(--space-6);
        gap: var(--space-4);
        border-bottom: 1px solid var(--gray-100);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all var(--transition-base);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .features-grid,
    .problem-grid,
    .testimonials-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .steps-grid {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

    .step-card {
        max-width: 100%;
    }

    .comparison-table {
        font-size: 0.875rem;
    }

    .comparison-header > div,
    .comparison-row > div {
        padding: var(--space-3) var(--space-4);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-2);
        text-align: center;
    }

    .download-buttons {
        flex-direction: column;
        align-items: center;
    }

    .store-button {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .logo-byline {
        display: none;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-4);
    }

    .pricing-card {
        padding: var(--space-6);
    }

    .price {
        font-size: 3rem;
    }
}