/* ═══════════════════════════════════════════════════════════════
   docs.css — Tutorial / Documentation Page Styles
   Extends main.css; mirrors dl-hero design from download.css.
═══════════════════════════════════════════════════════════════ */

/* ─── Hero Section (mirrors download page dl-hero exactly) ─────── */
.docs-hero {
    padding: 120px 40px 56px;
    background: linear-gradient(160deg, #f5f4ff 0%, #eef2ff 40%, #f8f9fa 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.docs-hero::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -80px;
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(99,102,241,0.12) 0%, transparent 70%);
    pointer-events: none;
}

.docs-hero-inner {
    max-width: 820px;
    margin: 0 auto;
    position: relative;
}

.docs-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary-solid);
    border: 1px solid rgba(79, 70, 229, 0.2);
    border-radius: 40px;
    padding: 5px 14px;
    font-size: 0.82rem;
    font-weight: 500;
    margin-bottom: 18px;
}

.docs-hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.4rem);
    font-weight: 800;
    font-style: italic;
    color: var(--text-dark);
    line-height: 1.15;
    margin-bottom: 18px;
}

.docs-hero p {
    font-size: 1.05rem;
    color: var(--text-light);
    max-width: 640px;
    margin: 0 auto 28px;
    line-height: 1.7;
}

/* Hero stats row (matches dl-hero-stats) */
.docs-hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 30px;
}

.docs-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 28px;
}

.docs-stat-num {
    font-family: var(--font-heading);
    font-size: 1.9rem;
    font-weight: 800;
    font-style: italic;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    line-height: 1.1;
}

.docs-stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.docs-stat-divider {
    width: 1px;
    height: 36px;
    background: var(--border-color);
}

/* Hero platform quick-jump chips (matches dl-platform-chip) */
.docs-hero-platforms {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.docs-platform-chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 18px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 40px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-main);
    transition: all 0.2s ease;
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}

.docs-platform-chip:hover {
    border-color: var(--primary-solid);
    color: var(--primary-solid);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(79,70,229,0.12);
}

.docs-platform-chip i {
    font-size: 1rem;
}

/* ─── Sticky Sub-Navigation (mirrors download platform tabs) ────── */
.docs-subnav-wrap {
    position: sticky;
    top: 72px;
    z-index: 900;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.docs-subnav {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.docs-subnav::-webkit-scrollbar {
    display: none;
}

.docs-subnav-inner {
    display: flex;
    align-items: center;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
}

.docs-snav-item {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 14px 20px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-light);
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
    white-space: nowrap;
    cursor: pointer;
}

.docs-snav-item:hover {
    color: var(--primary-solid);
}

.docs-snav-item.active {
    color: var(--primary-solid);
    border-bottom-color: var(--primary-solid);
}

.docs-snav-item i {
    font-size: 0.95rem;
}

/* ─── Main Content Layout ────────────────────────────────────────── */
.docs-main {
    padding-top: 56px;
    padding-bottom: 80px;
}

/* ─── Document Section ───────────────────────────────────────────── */
.docs-section {
    margin-bottom: 80px;
    scroll-margin-top: 130px;
}

.docs-section-head {
    margin-bottom: 36px;
}

.docs-section-head h2 {
    font-family: var(--font-heading);
    font-size: 1.9rem;
    font-weight: 800;
    font-style: italic;
    color: var(--text-dark);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.docs-section-head h2 i {
    font-size: 1.5rem;
    color: var(--primary-solid);
    font-style: normal;
}

.docs-section-head p {
    font-size: 0.97rem;
    color: var(--text-light);
    line-height: 1.7;
}

.docs-section-footer {
    margin-top: 28px;
    padding-top: 18px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

/* ─── Platform Section Header ────────────────────────────────────── */
.docs-platform-head {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 32px;
}

.docs-platform-icon {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
    flex-shrink: 0;
}

.docs-platform-icon--win     { background: rgba(0, 120, 212, 0.1); color: #0078d4; }
.docs-platform-icon--mac     { background: rgba(0, 0, 0, 0.06); color: #333; }
.docs-platform-icon--android { background: rgba(60, 186, 84, 0.12); color: #3dba54; }
.docs-platform-icon--ios     { background: rgba(0, 122, 255, 0.1); color: #007aff; }
.docs-platform-icon--linux   { background: rgba(240, 190, 56, 0.12); color: #c0830a; }

.docs-platform-head h2 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    font-style: italic;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.docs-platform-desc {
    font-size: 0.92rem;
    color: var(--text-light);
    margin: 0;
}

.docs-platform-desc strong {
    color: var(--primary-solid);
}

/* ─── Quick Start Flow Cards ─────────────────────────────────────── */
.qs-flow {
    display: flex;
    align-items: flex-start;
    gap: 0;
    margin-bottom: 40px;
}

.qs-card {
    flex: 1;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: box-shadow 0.25s ease;
}

.qs-card:hover {
    box-shadow: 0 8px 28px rgba(79,70,229,0.1);
}

.qs-card-num {
    font-family: var(--font-heading);
    font-size: 2.6rem;
    font-weight: 800;
    font-style: italic;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    line-height: 1;
    margin-bottom: 10px;
}

.qs-card-icon {
    width: 44px;
    height: 44px;
    background: rgba(99,102,241,0.1);
    color: var(--primary-solid);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    margin-bottom: 14px;
}

.qs-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.qs-card > p {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.65;
    margin-bottom: 12px;
}

.qs-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 7px;
    margin-bottom: 16px;
}

.qs-list li {
    font-size: 0.85rem;
    color: var(--text-main);
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.qs-list li i {
    font-size: 0.85rem;
    color: var(--primary-solid);
    width: 16px;
    flex-shrink: 0;
    margin-top: 2px;
}

.qs-list li strong {
    color: var(--text-dark);
    white-space: nowrap;
}

.qs-code-block {
    background: var(--bg-gray);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 14px;
    margin-bottom: 12px;
}

.qs-code-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.qs-code-block code {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.78rem;
    color: var(--primary-solid);
    word-break: break-all;
}

.qs-tip {
    display: flex;
    align-items: flex-start;
    gap: 7px;
    font-size: 0.82rem;
    color: var(--text-light);
    line-height: 1.55;
    margin-top: 8px;
}

.qs-tip i {
    color: var(--primary-solid);
    flex-shrink: 0;
    margin-top: 1px;
}

.qs-tip code {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.82em;
    background: rgba(99,102,241,0.08);
    color: var(--primary-solid);
    padding: 1px 5px;
    border-radius: 3px;
}

.qs-card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 12px;
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--primary-solid);
    border: 1px solid rgba(99,102,241,0.3);
    border-radius: 6px;
    padding: 8px 14px;
    background: rgba(99,102,241,0.05);
    transition: all 0.2s ease;
}

.qs-card-link:hover {
    background: var(--primary-gradient);
    color: #fff;
    border-color: transparent;
}

.qs-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 12px;
    color: var(--primary-solid);
    font-size: 1.2rem;
    margin-top: 72px;
    flex-shrink: 0;
}

/* ─── Client Overview Grid ───────────────────────────────────────── */
.client-overview {
    background: linear-gradient(135deg, #f5f4ff 0%, #eef2ff 100%);
    border: 1px solid rgba(99,102,241,0.15);
    border-radius: 16px;
    padding: 28px 32px;
}

.client-overview-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.client-overview-head i {
    color: var(--primary-solid);
    font-size: 1.1rem;
}

.client-overview-head h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    font-style: italic;
    color: var(--text-dark);
}

.client-overview-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
}

.cov-item {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 14px 16px;
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cov-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(79,70,229,0.1);
}

.cov-item--primary {
    border-color: rgba(99,102,241,0.3);
    background: linear-gradient(145deg, #fafafe 0%, #f5f4ff 100%);
}

.cov-platform {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.cov-platform i {
    font-size: 0.9rem;
}

.cov-client {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.cov-badge {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 600;
    padding: 2px 8px;
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
    border: 1px solid rgba(16, 185, 129, 0.25);
    border-radius: 20px;
}

/* ─── Tutorial Steps ─────────────────────────────────────────────── */
.tut-steps {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
}

.tut-steps::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 40px;
    bottom: 40px;
    width: 2px;
    background: linear-gradient(to bottom, rgba(99,102,241,0.3), rgba(99,102,241,0.05));
    border-radius: 2px;
}

.tut-step {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    padding-bottom: 36px;
    position: relative;
}

.tut-step:last-child {
    padding-bottom: 0;
}

.tut-step-num {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: #fff;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    box-shadow: 0 2px 8px rgba(79,70,229,0.3);
}

.tut-step-body {
    flex: 1;
    min-width: 0;
    padding-top: 4px;
}

.tut-step-body h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tut-step-body h3 i {
    color: var(--primary-solid);
    font-size: 0.95rem;
}

.tut-step-body > p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 12px;
}

/* Mini numbered steps within a step */
.tut-steps-mini {
    display: flex;
    flex-direction: column;
    gap: 9px;
    margin: 14px 0;
    padding: 16px 18px;
    background: var(--bg-gray);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.tut-mini-step {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.88rem;
    color: var(--text-main);
    line-height: 1.5;
}

.tut-mini-num {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(99,102,241,0.12);
    color: var(--primary-solid);
    font-size: 0.72rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* Tip boxes */
.tut-tip {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    padding: 11px 14px;
    background: rgba(99,102,241,0.05);
    border: 1px solid rgba(99,102,241,0.15);
    border-radius: 8px;
    font-size: 0.86rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-top: 10px;
}

.tut-tip i {
    color: var(--primary-solid);
    margin-top: 2px;
    flex-shrink: 0;
}

.tut-tip strong {
    color: var(--text-dark);
}

.tut-tip > div {
    flex: 1;
}

.tut-tip--success {
    background: rgba(16, 185, 129, 0.05);
    border-color: rgba(16, 185, 129, 0.2);
}

.tut-tip--success i {
    color: #059669;
}

.tut-warn {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    padding: 11px 14px;
    background: rgba(245, 158, 11, 0.06);
    border: 1px solid rgba(245, 158, 11, 0.25);
    border-radius: 8px;
    font-size: 0.86rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-top: 10px;
}

.tut-warn i {
    color: #d97706;
    margin-top: 2px;
    flex-shrink: 0;
}

.tut-warn strong {
    color: var(--text-dark);
}

.tut-warn > div {
    flex: 1;
}

/* Download button in steps */
.tut-dl-btn-row {
    margin: 14px 0;
}

.tut-dl-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--primary-gradient);
    color: #fff;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: opacity 0.2s ease, transform 0.15s ease;
    box-shadow: 0 2px 8px rgba(79,70,229,0.25);
}

.tut-dl-btn:hover {
    opacity: 0.92;
    transform: translateY(-1px);
    color: #fff;
}

/* Terminal blocks inside steps (inherit from download.css tokens) */
.tut-terminal {
    background: #1a1b2e;
    border-radius: 10px;
    overflow: hidden;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.85rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    margin-top: 14px;
}

/* Terminal block styles (mirrored from download.css for standalone use) */
.tut-terminal .terminal-header,
.terminal-header {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 10px 16px;
    background: #13141f;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-dot--red    { background: #ff5f56; }
.terminal-dot--yellow { background: #ffbd2e; }
.terminal-dot--green  { background: #27c93f; }

.terminal-title {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.4);
    margin-left: 6px;
}

.tut-terminal .terminal-body,
.terminal-body {
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.terminal-line {
    display: flex;
    align-items: baseline;
    gap: 10px;
    line-height: 1.5;
}

.terminal-line--gap {
    margin-top: 10px;
}

.t-prompt {
    color: #6be5a0;
    flex-shrink: 0;
    font-weight: 700;
}

.t-comment {
    color: rgba(255,255,255,0.3);
    font-style: italic;
}

.t-cmd {
    color: #79b8ff;
    font-weight: 600;
}

.t-arg {
    color: rgba(255,255,255,0.75);
    word-break: break-all;
}

.terminal-line--output .t-output {
    color: rgba(255,255,255,0.45);
    font-size: 0.82rem;
}

.terminal-line--success .t-output {
    color: #6be5a0;
}

/* Architecture choice cards (macOS / Linux) */
.arch-choice {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 14px 0;
}

.arch-card {
    background: var(--bg-gray);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px 18px;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    transition: border-color 0.2s ease;
}

.arch-card:hover {
    border-color: rgba(99,102,241,0.3);
}

.arch-card--primary {
    border-color: rgba(99,102,241,0.25);
    background: linear-gradient(145deg, #fafafe 0%, #f5f4ff 100%);
}

.arch-icon {
    width: 38px;
    height: 38px;
    background: rgba(99,102,241,0.1);
    color: var(--primary-solid);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.arch-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.arch-info strong {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-dark);
}

.arch-info span {
    font-size: 0.8rem;
    color: var(--text-main);
}

.arch-info span code {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.78em;
    background: rgba(99,102,241,0.08);
    color: var(--primary-solid);
    padding: 1px 4px;
    border-radius: 3px;
}

.arch-info em {
    font-style: normal;
    font-size: 0.76rem;
    color: var(--text-muted);
}

/* ─── iOS-specific: Notice Banner ────────────────────────────────── */
.tut-ios-notice {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 20px;
    background: rgba(255, 183, 0, 0.07);
    border: 1px solid rgba(255, 183, 0, 0.25);
    border-radius: 12px;
    margin-bottom: 28px;
}

.tut-ios-notice i {
    font-size: 1.2rem;
    color: #d97706;
    margin-top: 2px;
    flex-shrink: 0;
}

.tut-ios-notice strong {
    display: block;
    font-size: 0.95rem;
    color: var(--text-dark);
    margin-bottom: 5px;
}

.tut-ios-notice p {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.6;
    margin: 0;
}

/* iOS App store buttons */
.tut-ios-apps {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 14px 0;
}

.tut-ios-app-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 12px 18px;
    background: #1d1d1f;
    color: #fff;
    border-radius: 10px;
    text-decoration: none;
    transition: opacity 0.2s ease;
    min-width: 220px;
}

.tut-ios-app-btn:hover {
    opacity: 0.85;
    color: #fff;
}

.tut-ios-app-btn > i {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.tut-ios-app-btn > div {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.tut-ios-app-btn strong {
    font-size: 0.92rem;
    font-weight: 700;
    color: #fff;
}

.tut-ios-app-btn span {
    font-size: 0.76rem;
    color: rgba(255,255,255,0.55);
}

/* ─── Alternative Client Note ────────────────────────────────────── */
.tut-alt-client {
    background: var(--bg-gray);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 18px 22px;
    margin-top: 16px;
    margin-bottom: 12px;
}

.tut-alt-head {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--primary-solid);
    margin-bottom: 8px;
}

.tut-alt-client p {
    font-size: 0.87rem;
    color: var(--text-light);
    line-height: 1.65;
}

.tut-alt-client a {
    color: var(--primary-solid);
    text-decoration: underline;
}

/* ─── Inline code block in FAQ ───────────────────────────────────── */
.docs-code-block {
    background: #1a1b2e;
    border-radius: 8px;
    padding: 12px 16px;
    margin: 10px 0;
    overflow-x: auto;
}

.docs-code-block code {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.82rem;
    color: #79b8ff;
    white-space: pre;
}

/* ─── FAQ Section ────────────────────────────────────────────────── */
.docs-faq-section .docs-section-head {
    text-align: center;
}

.docs-faq-section .docs-section-head h2 {
    justify-content: center;
}

.docs-faq-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 840px;
    margin: 0 auto 32px;
}

.docs-faq-item {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    transition: border-color 0.2s ease;
}

.docs-faq-item[open] {
    border-color: rgba(99,102,241,0.3);
}

.docs-faq-q {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    cursor: pointer;
    list-style: none;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.95rem;
    user-select: none;
}

.docs-faq-q::-webkit-details-marker {
    display: none;
}

.docs-faq-q:hover {
    background: var(--bg-gray);
}

.docs-faq-icon {
    color: var(--primary-solid);
    flex-shrink: 0;
    transition: transform 0.25s ease;
    font-size: 0.85rem;
}

details[open] .docs-faq-icon {
    transform: rotate(180deg);
}

.docs-faq-a {
    padding: 0 20px 18px;
}

.docs-faq-a p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 7px;
}

.docs-faq-a p:last-child {
    margin-bottom: 0;
}

.docs-faq-a strong {
    color: var(--text-dark);
}

.docs-faq-a code {
    background: rgba(99,102,241,0.08);
    color: var(--primary-solid);
    padding: 1px 5px;
    border-radius: 4px;
    font-size: 0.88em;
    font-family: 'Consolas', 'Monaco', monospace;
}

.docs-faq-cta {
    text-align: center;
    margin-top: 32px;
}

.docs-faq-cta p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

/* ─── GitHub Link (reuse from download.css pattern) ─────────────── */
.github-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    color: var(--text-muted);
    transition: color 0.2s ease;
}

.github-link:hover {
    color: var(--text-dark);
}

.github-link--deleted {
    color: var(--text-muted);
    cursor: default;
    opacity: 0.7;
    font-style: italic;
}

/* ─── Final CTA Section ──────────────────────────────────────────── */
.docs-cta-section {
    margin-top: 0;
    margin-bottom: 0;
}

.docs-cta-box {
    position: relative;
    background: linear-gradient(135deg, #1e1b4b 0%, #3730a3 55%, #4f46e5 100%);
    border-radius: 18px;
    padding: 72px 60px;
    text-align: center;
    overflow: hidden;
}

.docs-cta-deco {
    position: absolute;
    top: -80px;
    right: -80px;
    width: 340px;
    height: 340px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,0.07) 0%, transparent 70%);
    pointer-events: none;
}

.docs-cta-box h2 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    font-style: italic;
    color: #fff;
    margin-bottom: 14px;
}

.docs-cta-box p {
    font-size: 1rem;
    color: rgba(255,255,255,0.65);
    max-width: 480px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.docs-cta-btns {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.btn-outline--light {
    color: rgba(255,255,255,0.85);
    border-color: rgba(255,255,255,0.3);
    background: rgba(255,255,255,0.05);
}

.btn-outline--light:hover {
    color: #fff;
    border-color: rgba(255,255,255,0.7);
    background: rgba(255,255,255,0.12);
}

.docs-cta-platforms {
    display: flex;
    justify-content: center;
    gap: 22px;
    flex-wrap: wrap;
}

.docs-cta-platforms span {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.45);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE — Tablet & Mobile
═══════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
    .client-overview-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .docs-hero {
        padding: 100px 24px 44px;
    }

    .docs-hero h1 {
        font-size: 2.1rem;
    }

    .docs-subnav-inner {
        padding: 0 20px;
    }

    .docs-main {
        padding: 36px 24px 60px;
    }

    .container.docs-main {
        padding-left: 24px;
        padding-right: 24px;
    }

    .docs-platform-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .qs-flow {
        flex-direction: column;
        gap: 16px;
    }

    .qs-arrow {
        display: none;
    }

    .arch-choice {
        grid-template-columns: 1fr;
    }

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

    .docs-stat {
        padding: 0 16px;
    }

    .docs-stat-num {
        font-size: 1.5rem;
    }

    .docs-cta-box {
        padding: 48px 28px;
    }

    .docs-cta-box h2 {
        font-size: 1.8rem;
    }

    .docs-cta-btns {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 768px) {
    .tut-steps::before {
        left: 16px;
    }

    .tut-step {
        gap: 16px;
    }

    .tut-step-num {
        width: 34px;
        height: 34px;
        font-size: 0.88rem;
    }

    .docs-section-head h2 {
        font-size: 1.55rem;
    }

    .tut-ios-apps {
        flex-direction: column;
    }

    .tut-ios-app-btn {
        min-width: unset;
        width: 100%;
    }

    .client-overview {
        padding: 20px;
    }

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

@media (max-width: 600px) {
    .docs-hero-badge {
        font-size: 0.76rem;
    }

    .docs-hero p {
        font-size: 0.95rem;
    }

    .docs-hero-stats {
        gap: 0;
    }

    .docs-stat {
        padding: 0 10px;
    }

    .docs-stat-num {
        font-size: 1.3rem;
    }

    .docs-stat-label {
        font-size: 0.72rem;
    }

    .docs-platform-chip {
        padding: 7px 13px;
        font-size: 0.82rem;
    }

    .docs-snav-item span {
        display: none;
    }

    .docs-snav-item {
        padding: 14px 16px;
        font-size: 1rem;
    }

    .docs-section {
        margin-bottom: 56px;
    }

    .docs-platform-head h2 {
        font-size: 1.4rem;
    }

    .client-overview-grid {
        grid-template-columns: 1fr 1fr;
    }

    .docs-faq-q {
        font-size: 0.88rem;
        padding: 14px 16px;
    }

    .qs-card {
        padding: 20px;
    }

    .tut-terminal,
    .tut-terminal .terminal-body {
        font-size: 0.78rem;
    }

    .docs-cta-platforms {
        gap: 14px;
    }
}

@media (max-width: 400px) {
    .client-overview-grid {
        grid-template-columns: 1fr;
    }
}