/* =========================================
   Rank-O-Saur Global Stylesheet
   ========================================= */

:root {
    --primary: #1a73e8;
    --primary-hover: #1557b0;
    --secondary: #1e8e3e;
    --dark: #202124;
    --light: #f8f9fa;
    --gray: #5f6368;
    --border: #eaebed;
    --bg: #ffffff;
    --code-bg: #f1f3f4;
    --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --header-height: 75px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--dark);
    background-color: var(--bg);
    line-height: 1.6;
}

/* Note: Support and Wiki pages used --light as body background. 
   If you want to keep that, you can add a class like <body class="bg-light"> 
   to those specific pages and uncomment the rule below: */
/* .bg-light { background-color: var(--light); } */

a {
    text-decoration: none;
    color: var(--primary);
    transition: color 0.3s ease;
}

a:hover {
    color: var(--primary-hover);
}

ul {
    list-style: none;
}

/* =========================================
   Header & Navigation
   ========================================= */
header {
    background-color: var(--bg);
    border-bottom: 1px solid var(--border);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
    height: var(--header-height);
    display: flex;
    align-items: center;
}

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

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.logo-container img {
    width: 40px;
    height: 40px;
    border-radius: 6px;
}

.logo-text-wrapper {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-title {
    font-size: 22px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.logo-slogan {
    font-size: 12px;
    font-weight: 500;
    color: var(--gray);
    letter-spacing: 0;
    margin-top: 2px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-menu a {
    color: var(--gray);
    font-weight: 600;
    cursor: pointer;
    padding: 8px 0;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary);
    border-bottom: 2px solid var(--primary);
    text-decoration: none;
}

/* Header Buttons */
.btn-header-download {
    background-color: var(--primary);
    color: white !important;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.95rem;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.btn-header-download:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    text-decoration: none;
}

.btn-header-back {
    background-color: var(--light);
    color: var(--dark) !important;
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid var(--border);
    transition: all 0.2s ease;
    text-decoration: none !important;
}

.btn-header-back:hover {
    background-color: var(--border);
}

.menu-toggle {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    color: var(--dark);
}

.menu-toggle svg {
    width: 28px;
    height: 28px;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
}

/* =========================================
   Main Layouts & Global Classes
   ========================================= */
main {
    margin-top: var(--header-height);
}

section {
    scroll-margin-top: var(--header-height);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 20px;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--dark);
}

/* =========================================
   Home Page: Hero Section
   ========================================= */
.hero {
    padding: 100px 20px 80px;
    background-color: var(--light);
    border-bottom: 1px solid var(--border);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-content {
    flex: 1;
    text-align: left;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    color: var(--dark);
    letter-spacing: -1px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.4rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 0 10px 0;
    font-weight: 500;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    animation: float 6s ease-in-out infinite;
}

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

    50% {
        transform: translateY(-10px);
    }

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

.trust-banner {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--secondary);
    font-weight: 600;
    font-size: 1.1rem;
    margin: 30px 0 40px 0;
    padding: 10px 20px;
    background: rgba(30, 142, 62, 0.08);
    border-radius: 8px;
}

.browser-buttons {
    display: flex;
    justify-content: flex-start;
    gap: 15px;
}

.btn-browser {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background-color: var(--bg);
    color: var(--dark) !important;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1rem;
    border: 2px solid var(--border);
    transition: all 0.2s;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
    white-space: nowrap;
}

.btn-browser img {
    width: 24px;
    height: 24px;
}

.btn-browser:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
    border-color: var(--primary);
    color: var(--primary) !important;
    text-decoration: none;
}

/* =========================================
   Home Page: Why Us Section
   ========================================= */
.why-us {
    background-color: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 60px 20px;
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 40px;
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
}

.why-card {
    padding: 10px;
}

.why-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    background: rgba(26, 115, 232, 0.08);
    border-radius: 50%;
}

.why-card h4 {
    font-size: 1.25rem;
    color: var(--dark);
    margin-bottom: 10px;
}

.why-card p {
    font-size: 0.95rem;
    color: var(--gray);
    line-height: 1.5;
}

/* =========================================
   Home Page: Feature Cards
   ========================================= */
.features-grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.feature-card-item {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.02);
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
}

.feature-card-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.06);
}

.feature-card-item.highlight-card {
    border: 2px solid var(--primary);
    background: linear-gradient(145deg, #ffffff, #f0f7ff);
    box-shadow: 0 8px 25px rgba(26, 115, 232, 0.15);
    position: relative;
}

.highlight-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--primary);
    color: white;
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 10px rgba(26, 115, 232, 0.3);
}

.fc-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.fc-title {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--dark);
    font-weight: 700;
}

.fc-desc {
    font-size: 1rem;
    color: var(--gray);
    margin-bottom: 20px;
}

.fc-list {
    list-style: none;
    padding: 0;
    margin: 0;
    flex-grow: 1;
}

.fc-list li {
    position: relative;
    padding-left: 22px;
    margin-bottom: 10px;
    font-size: 0.95rem;
    color: var(--dark);
    line-height: 1.5;
}

.fc-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 1px;
    color: var(--secondary);
    font-weight: bold;
}

.fc-list li strong {
    color: var(--primary);
}

.llm-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.llm-tag {
    background: rgba(26, 115, 232, 0.1);
    color: var(--primary);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-family: monospace;
    font-weight: 600;
}

/* =========================================
   Home Page: Download Section
   ========================================= */
.download-grid {
    display: grid;
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
    text-align: center;
}

.download-card {
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 40px 20px;
    border-radius: 12px;
}

.download-card img {
    width: 64px;
    margin-bottom: 20px;
}

.btn-store {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 24px;
    background: var(--primary);
    color: white !important;
    border-radius: 6px;
    font-weight: bold;
    font-size: 1.1rem;
}

.btn-store:hover {
    background: var(--primary-hover);
    text-decoration: none;
}

/* =========================================
   Support Page Elements
   ========================================= */
.support-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.page-header {
    text-align: center;
    margin-bottom: 50px;
}

.page-header h1 {
    font-size: 2.8rem;
    color: var(--dark);
    margin-bottom: 15px;
    letter-spacing: -0.5px;
}

.page-header p {
    font-size: 1.15rem;
    color: var(--gray);
}

.faq-section,
.contact-section {
    background: var(--bg);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
    margin-bottom: 40px;
}

.faq-section h2 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: var(--dark);
    border-bottom: 2px solid var(--light);
    padding-bottom: 15px;
}

.faq-item {
    margin-bottom: 25px;
}

.faq-item:last-child {
    margin-bottom: 0;
}

.faq-question {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.faq-question::before {
    content: "Q:";
    color: var(--primary);
}

.faq-answer {
    font-size: 1.05rem;
    color: var(--gray);
    line-height: 1.6;
    padding-left: 28px;
}

.contact-section h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: var(--dark);
}

.contact-section p {
    color: var(--gray);
    margin-bottom: 30px;
    font-size: 1.05rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-row {
    display: flex;
    gap: 15px;
}

.form-row input {
    flex: 1;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    background-color: var(--light);
    transition: border-color 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
    outline: none;
    border-color: var(--primary);
    background-color: var(--bg);
}

.contact-form button {
    background: var(--primary);
    color: white;
    border: none;
    padding: 15px;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s;
    margin-top: 10px;
}

.contact-form button:hover {
    background: var(--primary-hover);
}

/* =========================================
   Wiki / Privacy Articles Layouts
   ========================================= */
.article-container,
.legal-container {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--bg);
    padding: 50px;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
}

.article-container h1,
.legal-container h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--dark);
    line-height: 1.2;
}

.legal-container .date {
    color: var(--gray);
    font-size: 0.95rem;
    margin-bottom: 40px;
    display: block;
}

.article-container h2 {
    font-size: 1.8rem;
    margin-top: 45px;
    margin-bottom: 20px;
    color: var(--dark);
    border-bottom: 2px solid var(--light);
    padding-bottom: 10px;
}

.article-container h3,
.legal-container h3 {
    font-size: 1.4rem;
    margin-top: 30px;
    margin-bottom: 15px;
    color: var(--dark);
}

.article-container p,
.legal-container p {
    margin-bottom: 15px;
    color: var(--gray);
    font-size: 1.1rem;
    line-height: 1.7;
}

.article-container ul,
.article-container ol {
    margin-bottom: 20px;
    padding-left: 20px;
    color: var(--gray);
    font-size: 1.1rem;
    line-height: 1.7;
}

.article-container li {
    margin-bottom: 8px;
}

.article-container strong,
.legal-container strong {
    color: var(--dark);
}

/* Table of Contents */
.toc {
    background-color: var(--light);
    border: 1px solid var(--border);
    padding: 25px;
    border-radius: 8px;
    margin-bottom: 40px;
    margin-top: 20px;
}

.toc h3 {
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.toc ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: 0;
}

.toc li {
    margin-bottom: 10px;
}

.toc a {
    color: var(--primary);
    font-weight: 500;
}

/* Code Blocks */
code {
    font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
    background-color: var(--code-bg);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.95em;
    color: #d63384;
}

pre {
    background-color: var(--code-bg);
    padding: 20px;
    border-radius: 8px;
    overflow-x: auto;
    margin-bottom: 25px;
    border: 1px solid var(--border);
}

pre code {
    background-color: transparent;
    padding: 0;
    color: var(--dark);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Notice / Warning Boxes */
.notice-box {
    background-color: rgba(26, 115, 232, 0.05);
    border-left: 4px solid var(--primary);
    padding: 15px 20px;
    margin: 20px 0;
    border-radius: 0 8px 8px 0;
}

.notice-box p {
    margin: 0;
    color: var(--dark);
}

.warning-box {
    background-color: rgba(255, 113, 57, 0.05);
    border-left: 4px solid #FF7139;
    padding: 15px 20px;
    margin: 20px 0;
    border-radius: 0 8px 8px 0;
}

.warning-box p {
    margin: 0;
    color: var(--dark);
}

/* =========================================
   Footer
   ========================================= */
footer {
    background-color: var(--dark);
    padding: 25px 20px;
    color: #9aa0a6;
    font-size: 0.95rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-weight: bold;
    font-size: 1.1rem;
}

.footer-brand img {
    width: 24px;
    height: 24px;
    border-radius: 4px;
}

.footer-info {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

footer a {
    color: #fff;
    font-weight: bold;
}

footer a:hover {
    text-decoration: underline;
}

footer a.sub-link {
    font-weight: normal;
    text-decoration: underline;
}

/* =========================================
   Responsive & Mobile Optimization 
   ========================================= */
@media (max-width: 992px) {
    .hero-container {
        flex-direction: column;
        text-align: center;
    }

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

    .hero p {
        margin: 0 auto 10px auto;
    }

    .trust-banner {
        margin: 25px auto 40px auto;
    }

    .browser-buttons {
        justify-content: center;
    }

    .hero-image {
        justify-content: center;
        margin-top: 10px;
    }

    .hero-image img {
        max-width: 70%;
    }

    .footer-container {
        justify-content: center;
        text-align: center;
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .logo-title {
        font-size: 18px;
    }

    .logo-slogan {
        display: none;
    }

    .logo-container img {
        width: 32px;
        height: 32px;
    }

    .nav-actions {
        gap: 15px;
    }

    .btn-header-download {
        padding: 8px 14px;
        font-size: 0.85rem;
    }

    .menu-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        right: -100%;
        width: 250px;
        height: calc(100vh - var(--header-height));
        background-color: var(--bg);
        flex-direction: column;
        padding: 30px 20px;
        gap: 20px;
        box-shadow: -4px 0 15px rgba(0, 0, 0, 0.05);
        transition: right 0.3s ease;
    }

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

    .nav-menu a {
        font-size: 1.1rem;
        display: block;
        width: 100%;
    }

    /* Home Padding Adjustments */
    .hero {
        padding: 60px 15px 40px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1.15rem;
    }

    .trust-banner {
        font-size: 0.95rem;
        padding: 8px 15px;
        flex-direction: column;
        text-align: center;
        margin: 20px auto 30px auto;
    }

    .why-us-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .container {
        padding: 50px 15px;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 35px;
    }

    .features-grid-cards {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .feature-card-item {
        padding: 25px;
        align-items: center;
        text-align: center;
    }

    .fc-list {
        text-align: left;
        width: 100%;
    }

    .llm-tags {
        justify-content: center;
    }

    /* Support / Legal / Wiki adjustments */
    .page-header h1 {
        font-size: 2.2rem;
    }

    .faq-section,
    .contact-section {
        padding: 30px 20px;
    }

    .form-row {
        flex-direction: column;
        gap: 15px;
    }

    .article-container,
    .legal-container {
        padding: 30px 20px;
    }

    .article-container h1,
    .legal-container h1 {
        font-size: 2rem;
    }
}