/* ========================================
   GMAIL TUTORIALS - ENHANCED SIMPLE DESIGN
   ======================================== */

/* Google Fonts Import - Enhanced */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Roboto:wght@300;400;500;700;800&display=swap');

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Gmail Brand Colors - Enhanced */
    --gmail-red: #ea4335;
    --gmail-red-dark: #d33426;
    --gmail-red-light: #fce8e6;
    --gmail-red-hover: #c5221f;
    --gmail-blue: #1a73e8;
    --gmail-blue-dark: #1557b0;
    --gmail-blue-light: #e8f0fe;
    --gmail-white: #ffffff;
    --gmail-gray: #f8f9fa;
    --gmail-gray-dark: #5f6368;
    --gmail-gray-border: #dadce0;

    /* Enhanced Color Palette */
    --primary-color: #ea4335;
    --secondary-color: #1a73e8;
    --background-white: #ffffff;
    --background-light: #f8f9fa;
    --background-lighter: #fef7f6;
    --background-cream: #fffbf7;

    /* Text Colors - Enhanced Contrast */
    --text-primary: #1f1f1f;
    --text-secondary: #5f6368;
    --text-light: #80868b;
    --text-white: #ffffff;
    --text-muted: #9aa0a6;

    /* Enhanced Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.15);
    --shadow-red: 0 4px 12px rgba(234, 67, 53, 0.2);
    --shadow-blue: 0 4px 12px rgba(26, 115, 232, 0.2);

    /* Transitions - Refined */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.65;
    color: var(--text-primary);
    background: var(--background-white);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
}

/* Selection */
::selection {
    background: var(--gmail-red-light);
    color: var(--gmail-red-dark);
}

::-moz-selection {
    background: var(--gmail-red-light);
    color: var(--gmail-red-dark);
}

/* ========================================
   NAVIGATION - Enhanced
   ======================================== */

.navbar {
    background: var(--background-white);
    border-bottom: 1px solid var(--gmail-gray-border);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all var(--transition);
    box-shadow: var(--shadow-xs);
    backdrop-filter: blur(10px);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.98);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 68px;
}

.nav-logo a {
    font-family: 'Inter', 'Roboto', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gmail-red);
    text-decoration: none;
    letter-spacing: -0.5px;
    transition: all var(--transition);
    display: inline-block;
}

.nav-logo a:hover {
    color: var(--gmail-red-hover);
    transform: translateY(-1px);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all var(--transition);
    position: relative;
    padding: 0.5rem 0;
    letter-spacing: -0.2px;
}

.nav-link:hover {
    color: var(--gmail-red);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--gmail-red), var(--gmail-red-hover));
    transition: width var(--transition);
    border-radius: 2px;
}

.nav-link:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.hamburger:hover {
    background: var(--background-light);
}

.bar {
    width: 24px;
    height: 2.5px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition);
}

.hamburger.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
    transform: translateX(-10px);
}

.hamburger.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ========================================
   HERO SECTION - Enhanced
   ======================================== */

.hero {
    background: url('../images/hero.png') no-repeat center center;
    background-size: cover;
    padding: 160px 0;
    /* Increased padding for height */
    text-align: center;
    position: relative;
    overflow: hidden;
    color: white;
    /* Default text color white */
}

/* Dark Overlay */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    /* Dark overlay for readability */
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    /* Ensure content is above overlay */
    max-width: 800px;
    /* Limit width for better readability */
    margin: 0 auto;
    padding: 0 20px;
}

.hero-content h1 {
    font-family: 'Inter', 'Roboto', sans-serif;
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Hero Banner Image Styles */
.hero-banner-container {
    margin: 3rem 0 4rem;
    /* Vertical margins */
    max-width: 100%;
    display: inline-block;
    /* Shrink to fit image exactly */
    position: relative;
    /* For z-index if needed */
    line-height: 0;
    font-size: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transform: translateY(0);
    transition: all 0.5s ease;

    /* Glassmorphism Effect - Simplified for blending */
    background: transparent;
    border: none;

    /* Floating Animation */
    animation: float 6s ease-in-out infinite;
}

.hero-banner-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
    border-color: #fff;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-15px);
    }

    100% {
        transform: translateY(0px);
    }
}

.hero-banner-image {
    width: auto;
    /* Natural width */
    max-width: 100%;
    /* Responsive */
    height: auto;
    display: block;
    /* Border radius handled by container overflow: hidden */
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
}

.hero-content h1 {
    font-family: 'Inter', 'Roboto', sans-serif;
    font-size: 3.75rem;
    margin-bottom: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -1.5px;
    line-height: 1.15;
}

.hero-content h1 span {
    background: linear-gradient(135deg, var(--gmail-red), var(--gmail-red-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    color: var(--text-secondary);
    font-weight: 400;
    line-height: 1.7;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Hero Stats - Enhanced */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 3.5rem 0;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
    background: var(--background-white);
    padding: 2rem 2.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gmail-gray-border);
    transition: all var(--transition);
    min-width: 140px;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.stat::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--gmail-red), var(--gmail-blue));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-slow);
}

.stat:hover::before {
    transform: scaleX(1);
}

.stat:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--gmail-red-light);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--gmail-red), var(--gmail-red-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: -0.2px;
}

/* Search Container - Enhanced */
.search-container {
    max-width: 650px;
    margin: 2.5rem auto;
}

.search-box {
    display: flex;
    gap: 0.75rem;
    background: var(--background-white);
    padding: 0.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--gmail-gray-border);
    transition: all var(--transition);
}

.search-box:focus-within {
    border-color: var(--gmail-red);
    box-shadow: var(--shadow-red);
}

.search-input {
    flex: 1;
    padding: 0.875rem 1.25rem;
    border: none;
    background: transparent;
    font-size: 1rem;
    color: var(--text-primary);
    font-family: 'Inter', 'Roboto', sans-serif;
}

.search-input:focus {
    outline: none;
}

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

.search-btn {
    padding: 0.875rem 2rem;
    background: var(--gmail-red);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.search-btn:hover {
    background: var(--gmail-red-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-red);
}

.search-btn:active {
    transform: translateY(0);
}

.search-results {
    margin-top: 1rem;
    background: var(--background-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-height: 400px;
    overflow-y: auto;
    display: none;
}

.search-results.active {
    display: block;
}

/* CTA Button - Enhanced */
.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, var(--gmail-red), var(--gmail-red-hover));
    color: white;
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1.05rem;
    transition: all var(--transition);
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-red);
    letter-spacing: -0.2px;
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.cta-button:hover::before {
    width: 300px;
    height: 300px;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(234, 67, 53, 0.35);
}

.cta-button:active {
    transform: translateY(-1px);
}

/* ========================================
   FEATURES SECTION - Simple & Clean
   ======================================== */

.features {
    padding: 80px 0;
    background: var(--background-white);
}

.features h2 {
    text-align: center;
    font-family: 'Roboto', sans-serif;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 500;
    color: var(--text-primary);
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.feature {
    background: var(--background-white);
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid #e8eaed;
    text-align: center;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}

.feature:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--gmail-red-light);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: block;
}

.feature h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.4rem;
    font-weight: 500;
}

.feature p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.feature-benefits {
    list-style: none;
    text-align: left;
    margin-top: 1.5rem;
}

.feature-benefits li {
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
}

.feature-benefits li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--gmail-red);
    font-weight: bold;
}

.features-cta {
    text-align: center;
    padding: 2.5rem;
    background: var(--background-light);
    border-radius: 8px;
    margin-top: 3rem;
}

.features-cta p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.cta-button.secondary {
    background: var(--gmail-blue);
}

.cta-button.secondary:hover {
    background: #1557b0;
}

/* ========================================
   TUTORIALS SECTION - Simple & Clean
   ======================================== */

.tutorials {
    padding: 80px 0;
    background: var(--background-light);
}

.tutorials h2 {
    text-align: center;
    font-family: 'Roboto', sans-serif;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 500;
    color: var(--text-primary);
}

.tutorials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.tutorial-card {
    background: var(--background-white);
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid #e8eaed;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}

.tutorial-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--gmail-red-light);
}

.tutorial-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: block;
    text-align: center;
}

.tutorial-card h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.4rem;
    font-weight: 500;
    text-align: center;
}

.tutorial-description {
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.tutorial-features {
    list-style: none;
    margin: 2rem 0;
}

.tutorial-features li {
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
    line-height: 1.5;
}

.tutorial-features li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--gmail-red);
    font-weight: bold;
}

.tutorial-stats {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 1.5rem 0;
}

.tutorial-stats .stat {
    background: var(--background-light);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border: none;
    box-shadow: none;
}

.tutorial-cta {
    display: block;
    text-align: center;
    color: var(--gmail-red);
    font-weight: 500;
    text-decoration: none;
    margin-top: 1.5rem;
    padding: 12px;
    border: 2px solid var(--gmail-red);
    border-radius: 4px;
    transition: all var(--transition);
}

.tutorial-cta:hover {
    background: var(--gmail-red);
    color: white;
}

.tutorials-cta {
    text-align: center;
    padding: 3rem;
    background: var(--background-white);
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    margin-top: 3rem;
}

.tutorials-cta h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.8rem;
    font-weight: 500;
}

.tutorials-cta p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.cta-button.large {
    padding: 16px 40px;
    font-size: 1.1rem;
}

.small-text {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 1rem;
}

/* ========================================
   QUICK TIPS SECTION
   ======================================== */

.quick-tips {
    padding: 80px 0;
    background: var(--background-white);
}

.quick-tips h2 {
    text-align: center;
    font-family: 'Roboto', sans-serif;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    font-weight: 500;
    color: var(--text-primary);
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.tip {
    background: var(--background-white);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid #e8eaed;
    border-left: 4px solid var(--gmail-red);
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}

.tip:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.tip h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.2rem;
    font-weight: 500;
}

.tip p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========================================
   NEWSLETTER SECTION
   ======================================== */

.newsletter {
    padding: 60px 0;
    background: var(--background-light);
    text-align: center;
}

.newsletter h2 {
    font-family: 'Roboto', sans-serif;
    font-size: 2rem;
    margin-bottom: 1rem;
    font-weight: 500;
    color: var(--text-primary);
}

.newsletter p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto;
    flex-wrap: wrap;
    justify-content: center;
}

.newsletter-form input {
    flex: 1;
    min-width: 250px;
    padding: 14px 20px;
    border: 1px solid #e8eaed;
    border-radius: 4px;
    font-size: 1rem;
    background: var(--background-white);
    color: var(--text-primary);
    transition: all var(--transition);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--gmail-red);
    box-shadow: 0 0 0 3px rgba(234, 67, 53, 0.1);
}

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

.newsletter-form button {
    padding: 14px 32px;
    background: var(--gmail-red);
    color: white;
    border: none;
    border-radius: 4px;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition);
}

.newsletter-form button:hover {
    background: var(--gmail-red-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(234, 67, 53, 0.3);
}

/* ========================================
   FOOTER
   ======================================== */


.footer {
    background: var(--background-light);
    border-top: 1px solid var(--gmail-gray-border);
    color: var(--text-secondary);
    padding: 3rem 0;
    text-align: center;
}

.footer p {
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    flex-wrap: wrap;
}

.footer-nav a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all var(--transition);
    position: relative;
}

.footer-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gmail-red);
    transition: width var(--transition);
}

.footer-nav a:hover {
    color: var(--gmail-red);
}

.footer-nav a:hover::after {
    width: 100%;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 1024px) {
    .hero-content h1 {
        font-size: 3rem;
    }

    .features h2,
    .tutorials h2,
    .quick-tips h2 {
        font-size: 2.25rem;
    }
}

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

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 64px;
        flex-direction: column;
        background: var(--background-white);
        width: 100%;
        text-align: center;
        transition: left var(--transition);
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
        gap: 0;
        border-top: 1px solid #e8eaed;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-item {
        margin: 1.5rem 0;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    .hero-stats {
        gap: 1.5rem;
    }

    .features,
    .tutorials,
    .quick-tips {
        padding: 60px 0;
    }

    .features h2,
    .tutorials h2,
    .quick-tips h2 {
        font-size: 2rem;
    }

    .features-grid,
    .tutorials-grid,
    .tips-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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

    .newsletter-form input {
        min-width: 100%;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 16px;
        height: 60px;
    }

    .nav-logo a {
        font-size: 1.3rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .cta-button {
        padding: 12px 28px;
        font-size: 0.95rem;
    }

    .stat {
        padding: 1.25rem 1.5rem;
        min-width: 100px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .feature,
    .tutorial-card,
    .tip {
        padding: 2rem;
    }

    .container {
        padding: 0 16px;
    }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

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

.mt-1 {
    margin-top: 0.5rem;
}

.mt-2 {
    margin-top: 1rem;
}

.mt-3 {
    margin-top: 1.5rem;
}

.mt-4 {
    margin-top: 2rem;
}

.mb-1 {
    margin-bottom: 0.5rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-3 {
    margin-bottom: 1.5rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

/* ========================================
   ABOUT, CONTACT, PRIVACY PAGES - Enhanced
   ======================================== */

.main-content {
    padding: 140px 0 80px;
    min-height: calc(100vh - 200px);
}

.main-content h1 {
    font-family: 'Inter', 'Roboto', sans-serif;
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 3rem;
    text-align: center;
    letter-spacing: -1px;
    background: linear-gradient(135deg, var(--gmail-red), var(--gmail-red-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-section,
.contact-section,
.privacy-section {
    margin-bottom: 4rem;
    padding: 3rem;
    background: var(--background-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gmail-gray-border);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.about-section:hover,
.contact-section:hover,
.privacy-section:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.about-section h2,
.contact-section h2,
.privacy-section h2 {
    font-family: 'Inter', 'Roboto', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    letter-spacing: -0.5px;
    position: relative;
    padding-bottom: 1rem;
}

.about-section h2::after,
.contact-section h2::after,
.privacy-section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--gmail-red), var(--gmail-blue));
    border-radius: 2px;
}

.about-section p,
.contact-section p,
.privacy-section p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* Values Grid */
.values-grid,
.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.value-item,
.audience-item {
    padding: 2rem;
    background: var(--background-light);
    border-radius: var(--radius-md);
    border: 1px solid var(--gmail-gray-border);
    transition: all var(--transition);
}

.value-item:hover,
.audience-item:hover {
    background: var(--background-white);
    box-shadow: var(--shadow-md);
    transform: translateY(-6px);
    border-color: var(--gmail-red-light);
}

.value-item h3,
.audience-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--gmail-red);
    margin-bottom: 1rem;
    letter-spacing: -0.3px;
}

.value-item p,
.audience-item p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* Commitment List */
.commitment-list {
    list-style: none;
    padding: 0;
    margin-top: 1.5rem;
}

.commitment-list li {
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
    background: var(--background-light);
    border-left: 4px solid var(--gmail-red);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.commitment-list li:hover {
    background: var(--background-white);
    box-shadow: var(--shadow-sm);
    transform: translateX(8px);
}

.commitment-list li strong {
    color: var(--gmail-red);
    font-weight: 600;
}

/* CTA Buttons Container */
.cta-buttons {
    display: flex;
    gap: 1.5rem;
    margin-top: 2.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.cta-button.secondary {
    background: var(--background-white);
    color: var(--gmail-red);
    border: 2px solid var(--gmail-red);
}

.cta-button.secondary:hover {
    background: var(--gmail-red);
    color: white;
    border-color: var(--gmail-red);
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 2rem auto;
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    font-size: 1rem;
    letter-spacing: -0.2px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid var(--gmail-gray-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: 'Inter', 'Roboto', sans-serif;
    color: var(--text-primary);
    transition: all var(--transition);
    background: var(--background-white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gmail-red);
    box-shadow: 0 0 0 3px rgba(234, 67, 53, 0.1);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-submit {
    text-align: center;
    margin-top: 2rem;
}

.form-submit .cta-button {
    min-width: 200px;
}

/* Contact Info */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.contact-item {
    padding: 2rem;
    background: var(--background-light);
    border-radius: var(--radius-md);
    border: 1px solid var(--gmail-gray-border);
    text-align: center;
    transition: all var(--transition);
}

.contact-item:hover {
    background: var(--background-white);
    box-shadow: var(--shadow-md);
    transform: translateY(-6px);
}

.contact-item-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.contact-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.contact-item p,
.contact-item a {
    font-size: 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition);
}

.contact-item a:hover {
    color: var(--gmail-red);
}

/* Privacy Page Specific */
.privacy-toc {
    background: var(--background-light);
    padding: 2rem;
    border-radius: var(--radius-md);
    margin-bottom: 3rem;
    border: 1px solid var(--gmail-gray-border);
}

.privacy-toc h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.privacy-toc ul {
    list-style: none;
    padding: 0;
}

.privacy-toc li {
    margin-bottom: 0.75rem;
}

.privacy-toc a {
    color: var(--gmail-blue);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition);
    display: inline-block;
}

.privacy-toc a:hover {
    color: var(--gmail-red);
    transform: translateX(8px);
}

.privacy-section ul {
    padding-left: 2rem;
    margin-top: 1rem;
}

.privacy-section ul li {
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Responsive */
@media (max-width: 768px) {
    .main-content {
        padding: 100px 0 60px;
    }

    .main-content h1 {
        font-size: 2.25rem;
    }

    .about-section,
    .contact-section,
    .privacy-section {
        padding: 2rem;
        margin-bottom: 2.5rem;
    }

    .about-section h2,
    .contact-section h2,
    .privacy-section h2 {
        font-size: 1.75rem;
    }

    .values-grid,
    .audience-grid,
    .contact-info {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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

    .cta-button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .main-content h1 {
        font-size: 2rem;
    }

    .about-section,
    .contact-section,
    .privacy-section {
        padding: 1.5rem;
    }

    .value-item,
    .audience-item,
    .contact-item {
        padding: 1.5rem;
    }
}

/* ========================================
   CONTACT PAGE - Enhanced Specific Styles
   ======================================== */

.contact-intro {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 4rem;
    line-height: 1.7;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.contact-info h2,
.contact-form-section h2 {
    font-family: 'Inter', 'Roboto', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2rem;
    letter-spacing: -0.5px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-details .contact-item {
    padding: 1.5rem;
    background: var(--background-light);
    border-radius: var(--radius-md);
    border: 1px solid var(--gmail-gray-border);
    transition: all var(--transition);
}

.contact-details .contact-item:hover {
    background: var(--background-white);
    box-shadow: var(--shadow-md);
    transform: translateX(8px);
    border-color: var(--gmail-red-light);
}

.contact-details .contact-item h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--gmail-red);
    margin-bottom: 0.75rem;
}

.contact-details .contact-item p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin: 0.25rem 0;
    line-height: 1.6;
}

/* Social Links */
.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 0.5rem;
}

.social-link {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--gmail-blue-light);
    color: var(--gmail-blue);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.9rem;
    transition: all var(--transition);
    text-align: center;
    white-space: nowrap;
}

.social-link:hover {
    background: var(--gmail-blue);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-blue);
}

/* Contact Form Section */
.contact-form-section {
    background: var(--background-white);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gmail-gray-border);
    box-shadow: var(--shadow-sm);
}

.contact-form .form-group select {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid var(--gmail-gray-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: 'Inter', 'Roboto', sans-serif;
    color: var(--text-primary);
    transition: all var(--transition);
    background: var(--background-white);
    cursor: pointer;
}

.contact-form .form-group select:focus {
    outline: none;
    border-color: var(--gmail-red);
    box-shadow: 0 0 0 3px rgba(234, 67, 53, 0.1);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--gmail-red);
}

.submit-btn {
    width: 100%;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--gmail-red), var(--gmail-red-hover));
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: var(--shadow-red);
    letter-spacing: -0.2px;
    margin-top: 1rem;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(234, 67, 53, 0.35);
}

.submit-btn:active {
    transform: translateY(-1px);
}

/* FAQ Section */
.faq-section {
    margin-top: 5rem;
    padding: 3rem;
    background: var(--background-lighter);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gmail-gray-border);
}

.faq-section h2 {
    font-family: 'Inter', 'Roboto', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2.5rem;
    text-align: center;
    letter-spacing: -0.5px;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.faq-item {
    padding: 2rem;
    background: var(--background-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--gmail-gray-border);
    transition: all var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-6px);
    border-color: var(--gmail-blue-light);
}

.faq-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gmail-blue);
    margin-bottom: 1rem;
    letter-spacing: -0.3px;
}

.faq-item p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* Contact Page Responsive */
@media (max-width: 968px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .contact-form-section {
        padding: 2rem;
    }
}

@media (max-width: 768px) {
    .contact-intro {
        font-size: 1.1rem;
        margin-bottom: 3rem;
    }

    .faq-section {
        padding: 2rem;
        margin-top: 3rem;
    }

    .faq-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .social-links {
        flex-direction: column;
    }

    .social-link {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .contact-details .contact-item {
        padding: 1.25rem;
    }

    .contact-form-section {
        padding: 1.5rem;
    }

    .faq-section {
        padding: 1.5rem;
    }

    .faq-item {
        padding: 1.5rem;
    }
}

/* ========================================
   PROFESSIONAL BANNER STYLES
   ======================================== */

/* Hero Banner Background */
.hero {
    position: relative;
    background-image: url('../images/hero-banner.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(254, 247, 246, 0.92) 100%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 2;
}

/* Tutorial Page Banner */
.tutorial-header {
    position: relative;
    background-image: url('../images/tutorial-banner.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.tutorial-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.93) 0%, rgba(254, 247, 246, 0.90) 100%);
    z-index: 0;
}

.tutorial-header .container {
    position: relative;
    z-index: 2;
}

/* Professional Banner Section (Optional - for dedicated banner area) */
.professional-banner {
    width: 100%;
    max-width: 1200px;
    margin: 2rem auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.professional-banner img {
    width: 100%;
    height: auto;
    display: block;
}

/* Responsive Banner */
@media (max-width: 768px) {

    .hero,
    .tutorial-header {
        background-size: cover;
        background-position: center center;
    }
}