/* ============================================
   Oralable Design System
   Apple-Inspired Light Mode
   ============================================ */

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

/* Root Variables */
:root {
    /* Primary */
    --color-black: #000000;
    --color-white: #ffffff;

    /* Text */
    --color-text-primary: #1d1d1f;
    --color-text-secondary: #86868b;
    --color-text-tertiary: #6e6e73;

    /* Backgrounds */
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f5f5f7;
    --color-bg-tertiary: #fbfbfd;

    /* Borders */
    --color-border: #d2d2d7;
    --color-border-light: #e8e8ed;

    /* Accent (minimal use) */
    --color-accent: #0071e3;
    --color-accent-hover: #0077ed;

    /* Status */
    --color-success: #34c759;
    --color-warning: #ff9500;

    /* Font Stack */
    --font-stack: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Helvetica, Arial, sans-serif;

    /* Spacing */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 40px;
    --space-xl: 64px;
    --space-xxl: 100px;

    /* Max Width */
    --max-width: 980px;
    --max-width-narrow: 680px;
}

/* Base */
html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-stack);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.5;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-black);
    font-weight: 600;
    letter-spacing: -0.02em;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    text-decoration: underline;
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

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

/* ============================================
   Disclaimer Banner
   ============================================ */

.disclaimer {
    background: var(--color-bg-secondary);
    padding: 12px 24px;
    text-align: center;
    font-size: 12px;
    color: var(--color-text-secondary);
    border-bottom: 1px solid var(--color-border);
}

.disclaimer strong {
    color: var(--color-text-primary);
}

/* ============================================
   Navigation
   ============================================ */

.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--color-border);
}

.nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 48px;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.nav-logo {
    font-size: 21px;
    font-weight: 600;
    color: var(--color-black);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.nav-logo:hover {
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    font-size: 14px;
    color: var(--color-text-primary);
    text-decoration: none;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--color-accent);
    text-decoration: none;
}

/* Mobile Nav Toggle */
.nav-mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-mobile-toggle svg {
    width: 24px;
    height: 24px;
}

/* Mobile Nav */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 48px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-bg-primary);
        border-bottom: 1px solid var(--color-border);
        padding: 16px 24px;
        gap: 16px;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-mobile-toggle {
        display: block;
    }
}

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

.hero {
    padding: 80px 0 100px;
    text-align: center;
    background: var(--color-bg-primary);
}

.hero-eyebrow {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--color-black);
}

.hero-subtitle {
    font-size: 21px;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.5;
}

/* Responsive Hero */
@media (max-width: 768px) {
    .hero {
        padding: 60px 24px 80px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }
}

/* ============================================
   CTAs and Buttons
   ============================================ */

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--color-black);
    color: var(--color-white);
    font-size: 17px;
    font-weight: 500;
    text-decoration: none;
    border-radius: 980px;
    transition: background 0.2s;
}

.hero-cta:hover {
    background: #333;
    text-decoration: none;
}

.hero-cta-secondary {
    background: transparent;
    color: var(--color-accent);
    border: none;
}

.hero-cta-secondary:hover {
    background: transparent;
    text-decoration: underline;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--color-black);
    color: var(--color-white);
    font-size: 17px;
    font-weight: 500;
    text-decoration: none;
    border-radius: 980px;
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}

.btn:hover {
    background: #333;
    text-decoration: none;
}

.btn-outline {
    background: transparent;
    color: var(--color-black);
    border: 1px solid var(--color-border);
}

.btn-outline:hover {
    background: var(--color-bg-secondary);
}

/* App Store Badge */
.app-store-badge {
    height: 54px;
    transition: opacity 0.2s;
}

.app-store-badge:hover {
    opacity: 0.8;
}

/* ============================================
   Sections
   ============================================ */

.section {
    padding: 80px 0;
}

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

.section-title {
    font-size: 40px;
    font-weight: 700;
    letter-spacing: -0.02em;
    text-align: center;
    margin-bottom: 16px;
    color: var(--color-black);
}

.section-subtitle {
    font-size: 19px;
    color: var(--color-text-secondary);
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
    line-height: 1.5;
}

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 28px;
    }

    .section-subtitle {
        font-size: 17px;
        margin-bottom: 40px;
    }
}

/* ============================================
   Feature Grid
   ============================================ */

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

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

.feature-card {
    text-align: center;
    padding: 40px 24px;
}

.feature-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 21px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-black);
}

.feature-desc {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* App Cards */
.app-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin: 40px 0;
}

@media (max-width: 768px) {
    .app-cards {
        grid-template-columns: 1fr;
    }
}

.app-card {
    background: var(--color-bg-secondary);
    padding: 32px;
    border-radius: 16px;
}

.app-card h3 {
    font-size: 21px;
    margin-bottom: 12px;
}

.app-card .description {
    color: var(--color-text-secondary);
    font-size: 15px;
    margin-bottom: 20px;
}

.app-card ul {
    margin: 0;
    padding-left: 20px;
}

.app-card li {
    margin-bottom: 10px;
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* ============================================
   Specifications Table
   ============================================ */

.specs-table {
    width: 100%;
    border-collapse: collapse;
    margin: 40px 0;
}

.specs-table th,
.specs-table td {
    padding: 16px 0;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.specs-table th {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-secondary);
}

.specs-table td {
    font-size: 15px;
    color: var(--color-text-primary);
}

.specs-table td:first-child {
    font-weight: 500;
    color: var(--color-black);
}

/* Feature/Comparison Table */
.feature-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.feature-table th,
.feature-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--color-border-light);
}

.feature-table th {
    background: var(--color-black);
    color: var(--color-white);
    font-weight: 600;
    font-size: 14px;
}

.feature-table tr:hover {
    background: var(--color-bg-secondary);
}

.feature-table .check {
    color: var(--color-success);
    font-weight: bold;
}

.feature-table .dash {
    color: var(--color-text-secondary);
}

/* ============================================
   Workflow Section
   ============================================ */

.workflow-section {
    background: var(--color-bg-secondary);
    padding: 48px 32px;
    border-radius: 16px;
    margin: 48px 0;
}

.workflow-section h2 {
    font-size: 24px;
    margin-bottom: 32px;
    text-align: center;
}

.workflow-steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 16px;
}

.workflow-step {
    background: var(--color-bg-primary);
    padding: 20px 24px;
    border-radius: 12px;
    text-align: center;
    min-width: 140px;
    border: 1px solid var(--color-border-light);
}

.workflow-step .number {
    width: 32px;
    height: 32px;
    background: var(--color-black);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    margin: 0 auto 12px;
}

.workflow-step .title {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 4px;
}

.workflow-step .subtitle {
    font-size: 12px;
    color: var(--color-text-secondary);
}

.workflow-arrow {
    font-size: 24px;
    color: var(--color-text-secondary);
}

@media (max-width: 768px) {
    .workflow-steps {
        flex-direction: column;
    }

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

/* ============================================
   Info Boxes
   ============================================ */

.section-box {
    background: var(--color-bg-secondary);
    padding: 25px;
    border-radius: 12px;
    margin: 20px 0;
}

.section-box h4 {
    margin-top: 0;
    margin-bottom: 16px;
}

.tip-box {
    background: var(--color-bg-secondary);
    border-left: 4px solid var(--color-black);
    padding: 15px 20px;
    margin: 20px 0;
    border-radius: 0 8px 8px 0;
}

.tip-box strong {
    color: var(--color-black);
}

.note-box {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-light);
    padding: 15px 20px;
    margin: 20px 0;
    border-radius: 8px;
}

.info-box {
    background: #e8f4fd;
    border-left: 4px solid var(--color-accent);
    padding: 20px 24px;
    border-radius: 0 8px 8px 0;
    margin: 32px 0;
}

.info-box strong {
    color: var(--color-accent);
}

/* ============================================
   Steps List
   ============================================ */

.steps {
    counter-reset: step-counter;
    list-style: none;
    padding: 0;
}

.steps li {
    counter-increment: step-counter;
    padding: 15px 0 15px 50px;
    position: relative;
    border-bottom: 1px solid var(--color-border-light);
}

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

.steps li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 15px;
    width: 32px;
    height: 32px;
    background: var(--color-black);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
}

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

.faq-item {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--color-border-light);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-black);
}

.faq-answer {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ============================================
   Contact Box
   ============================================ */

.contact-box {
    background: var(--color-bg-secondary);
    padding: 32px;
    border-radius: 12px;
    margin-top: 48px;
    text-align: center;
}

.contact-box h2 {
    margin-top: 0;
    margin-bottom: 16px;
}

.contact-box p {
    margin-bottom: 8px;
    color: var(--color-text-secondary);
}

.contact-box a {
    color: var(--color-black);
    font-weight: 600;
}

/* ============================================
   Forms
   ============================================ */

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text-primary);
}

.form-group .optional {
    color: var(--color-text-secondary);
    font-weight: 400;
    font-size: 14px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    background: var(--color-bg-primary);
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

button[type="submit"] {
    width: 100%;
    padding: 16px 32px;
    background: var(--color-black);
    color: var(--color-white);
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

button[type="submit"]:hover {
    background: #333;
}

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

.footer {
    background: var(--color-bg-secondary);
    padding: 40px 0;
    border-top: 1px solid var(--color-border);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-links {
    display: flex;
    gap: 24px;
    list-style: none;
}

.footer-links a {
    font-size: 12px;
    color: var(--color-text-secondary);
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--color-text-primary);
    text-decoration: none;
}

.footer-copyright {
    font-size: 12px;
    color: var(--color-text-secondary);
}

@media (max-width: 768px) {
    .footer-inner {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* ============================================
   Legal Pages
   ============================================ */

.legal-content {
    padding: 60px 0;
}

.legal-content h1 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 8px;
}

.legal-content .updated {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
}

.legal-content h2 {
    font-size: 21px;
    font-weight: 600;
    margin-top: 40px;
    margin-bottom: 16px;
}

.legal-content p {
    margin-bottom: 16px;
    color: var(--color-text-secondary);
}

.legal-content ul {
    margin-bottom: 16px;
    padding-left: 24px;
}

.legal-content li {
    margin-bottom: 8px;
    color: var(--color-text-secondary);
}

.legal-content a {
    color: var(--color-accent);
}

/* Important notice box for legal pages */
.important {
    background: var(--color-bg-secondary);
    padding: 20px;
    border-radius: 8px;
    margin: 24px 0;
}

.important h3 {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 8px;
    color: var(--color-black);
}

.important p {
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

/* ============================================
   Page Header (for inner pages)
   ============================================ */

.page-header {
    padding: 60px 0 40px;
    text-align: center;
    background: var(--color-bg-secondary);
}

.page-header h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-black);
}

.page-header p {
    font-size: 18px;
    color: var(--color-text-secondary);
}

@media (max-width: 768px) {
    .page-header {
        padding: 40px 24px 30px;
    }

    .page-header h1 {
        font-size: 28px;
    }
}

/* ============================================
   Table of Contents
   ============================================ */

.toc {
    background: var(--color-bg-secondary);
    padding: 25px;
    border-radius: 12px;
    margin: 30px 0;
}

.toc h3 {
    margin-top: 0;
    margin-bottom: 15px;
}

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

.toc li {
    padding: 8px 0;
    margin: 0;
}

.toc a {
    color: var(--color-text-primary);
    text-decoration: none;
}

.toc a:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

/* ============================================
   App Selector Tabs
   ============================================ */

.app-selector {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 30px 0;
}

.app-tab {
    padding: 12px 30px;
    border: 2px solid var(--color-black);
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
    text-decoration: none;
    color: var(--color-black);
    background: var(--color-bg-primary);
}

.app-tab:hover,
.app-tab.active {
    background: var(--color-black);
    color: var(--color-white);
    text-decoration: none;
}

@media (max-width: 600px) {
    .app-selector {
        flex-direction: column;
        align-items: center;
    }
}

/* ============================================
   Timeline
   ============================================ */

.timeline {
    margin: 40px 0;
}

.timeline-item {
    display: flex;
    margin-bottom: 30px;
}

.timeline-year {
    width: 120px;
    flex-shrink: 0;
    font-weight: 700;
    color: var(--color-accent);
}

.timeline-content {
    flex: 1;
    padding-left: 20px;
    border-left: 2px solid var(--color-border-light);
}

.timeline-content.current {
    border-left-color: var(--color-accent);
}

.timeline-milestone {
    margin-bottom: 10px;
    color: var(--color-text-secondary);
}

.timeline-milestone.done::before {
    content: "✓ ";
    color: var(--color-success);
}

.timeline-milestone.current::before {
    content: "→ ";
    color: var(--color-accent);
}

.timeline-milestone.current {
    color: var(--color-black);
    font-weight: 600;
}

.timeline-milestone.future {
    color: var(--color-text-secondary);
}

@media (max-width: 600px) {
    .timeline-item {
        flex-direction: column;
    }

    .timeline-year {
        margin-bottom: 10px;
    }

    .timeline-content {
        padding-left: 15px;
    }
}

/* ============================================
   Thank You / Success Page
   ============================================ */

.success-hero {
    padding: 100px 0;
    text-align: center;
    background: var(--color-bg-secondary);
}

.success-hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-black);
}

.success-hero p {
    font-size: 20px;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
}

@media (max-width: 768px) {
    .success-hero {
        padding: 60px 24px;
    }

    .success-hero h1 {
        font-size: 32px;
    }
}

/* ============================================
   Utilities
   ============================================ */

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

.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.hidden { display: none; }

/* Flex utilities */
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.flex-center { justify-content: center; align-items: center; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }