/* ==========================================
   Gmail Login Guide - Modern CSS Styles
   ========================================== */

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

:root {
    --primary-color: #EA4335;
    --secondary-color: #4285F4;
    --success-color: #34A853;
    --warning-color: #FBBC04;
    --text-dark: #202124;
    --text-light: #5f6368;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #dadce0;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    --shadow-hover: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--bg-white);
    min-height: 100vh;
}

/* Header & Navigation */
header {
    background: var(--bg-white);
    padding: 1.5rem 2rem;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.logo h1 {
    font-size: 1.5rem;
    color: var(--text-dark);
    font-weight: 600;
}

nav {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

nav a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

nav a:hover {
    background: var(--bg-light);
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero .lead {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.95;
}

/* CTA Button */
.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--bg-white);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

/* Content Sections */
.content-section {
    padding: 4rem 2rem;
}

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

.content-section h2 {
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
    text-align: center;
}

.intro-text {
    max-width: 900px;
    margin: 0 auto 1.5rem;
    line-height: 1.8;
    color: var(--text-light);
    text-align: center;
    font-size: 1.05rem;
}

/* Feature List */
.feature-list {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: flex-start;
}

.feature-item .bullet {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: bold;
    flex-shrink: 0;
    line-height: 1.6;
}

.feature-item p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Bullet Large */
.bullet-large {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: bold;
    flex-shrink: 0;
    margin-right: 0.5rem;
}

/* Issue List */
.issue-list {
    padding: 1rem 1.5rem;
}

.issue-list p {
    margin-bottom: 0.75rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* Mobile Steps List */
.mobile-steps-list {
    padding: 1rem 0;
}

.mobile-steps-list .step {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.25rem;
    align-items: flex-start;
    padding: 0;
    box-shadow: none;
    background: transparent;
}

.mobile-steps-list .step:hover {
    transform: none;
}

/* Steps */
.steps {
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    align-items: flex-start;
}

.alt-bg .step {
    background: var(--bg-white);
}

.step:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-hover);
}

.step p {
    color: var(--text-light);
    line-height: 1.7;
    margin: 0;
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content h3 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.step-content p {
    color: var(--text-light);
}

.step-content a {
    color: var(--secondary-color);
    text-decoration: none;
}

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

/* Tabs */
.tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.tab-button {
    padding: 0.75rem 2rem;
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-dark);
}

.tab-button:hover {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

.tab-button.active {
    background: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

.tab-content {
    display: none;
    max-width: 700px;
    margin: 0 auto;
    padding: 2rem;
    background: var(--bg-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

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

.tab-content h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.mobile-steps {
    padding-left: 1.5rem;
}

.mobile-steps li {
    margin-bottom: 1rem;
    color: var(--text-light);
}

.mobile-steps strong {
    color: var(--text-dark);
}

/* Tips Grid */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.tip-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.tip-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

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

.tip-card h3 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.tip-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Accordion */
.accordion {
    max-width: 800px;
    margin: 0 auto;
}

.accordion-item {
    background: var(--bg-white);
    margin-bottom: 1rem;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.accordion-header {
    width: 100%;
    padding: 1.25rem 1.5rem;
    background: var(--bg-white);
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-dark);
    transition: var(--transition);
}

.accordion-header:hover {
    background: var(--bg-light);
}

.accordion-icon {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    transition: var(--transition);
}

.accordion-item.active .accordion-icon {
    transform: rotate(45deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: var(--bg-light);
}

.accordion-item.active .accordion-content {
    max-height: 500px;
}

.accordion-content p {
    padding: 1.25rem 1.5rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* FAQ Grid */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-hover);
}

.faq-item h3 {
    color: var(--text-dark);
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.faq-item p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* CTA Section */
.cta-section {
    text-align: center;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
}

.cta-section h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.cta-section .cta-button {
    background: var(--bg-white);
    color: var(--primary-color);
}

/* Footer */
footer {
    background: var(--text-dark);
    color: white;
    padding: 2rem;
    text-align: center;
}

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

.footer-content p {
    margin-bottom: 1rem;
    opacity: 0.8;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h2 {
        font-size: 1.8rem;
    }

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

    .content-section {
        padding: 2rem 1rem;
    }

    .content-section h2 {
        font-size: 1.5rem;
    }

    .step {
        flex-direction: column;
        gap: 1rem;
    }

    .tips-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }

    nav {
        gap: 0.5rem;
    }

    nav a {
        padding: 0.5rem;
        font-size: 0.9rem;
    }

    .tabs {
        flex-direction: column;
    }

    .tab-button {
        width: 100%;
    }

    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    header {
        padding: 1rem;
    }

    .logo h1 {
        font-size: 1.2rem;
    }

    .hero {
        padding: 2rem 1rem;
    }

    .cta-button {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
}

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

/* Selection Color */
::selection {
    background: var(--primary-color);
    color: white;
}