/* ===== DOCS PAGE HERO ===== */
.docs-hero {
    background: linear-gradient(160deg, #0d1117 0%, #161b22 55%, #0d1117 100%);
    padding: 160px 5% 80px;
    position: relative;
    overflow: hidden;
}
.docs-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 50% 60% at 25% 50%, rgba(26,115,232,0.12) 0%, transparent 70%),
                radial-gradient(ellipse 40% 40% at 80% 20%, rgba(30,142,62,0.07) 0%, transparent 60%);
    pointer-events: none;
}
.docs-hero-inner {
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}
.docs-hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(26,115,232,0.15);
    color: #6ca9f5;
    padding: 7px 16px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 28px;
    border: 1px solid rgba(26,115,232,0.2);
}
.docs-hero-eyebrow .dot {
    width: 6px; height: 6px;
    background: #4a9cf5;
    border-radius: 50%;
    animation: pulse 2s infinite;
}
.docs-hero h1 {
    font-size: clamp(36px, 4.5vw, 64px);
    font-weight: 500;
    color: #fff;
    letter-spacing: -2px;
    line-height: 1.1;
    margin-bottom: 12px;
}
.docs-hero h1 span { color: #4a9cf5; }
.docs-hero-subtitle {
    font-size: 14px;
    color: rgba(255,255,255,0.35);
    margin-bottom: 24px;
    letter-spacing: 2px;
    font-weight: 500;
}
.docs-hero-desc {
    font-size: 17px;
    color: rgba(255,255,255,0.55);
    max-width: 640px;
    line-height: 1.7;
    margin-bottom: 44px;
}
.docs-hero-nav {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}
.docs-hero-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 22px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    background: rgba(255,255,255,0.07);
    color: rgba(255,255,255,0.75);
    border: 1px solid rgba(255,255,255,0.1);
    text-decoration: none;
    transition: all 0.2s;
}
.docs-hero-nav-btn:hover {
    background: rgba(255,255,255,0.12);
    color: #fff;
    border-color: rgba(255,255,255,0.2);
    transform: translateY(-1px);
}
.docs-hero-nav-btn.featured {
    background: rgba(26,115,232,0.2);
    color: #6ca9f5;
    border-color: rgba(26,115,232,0.3);
}
.docs-hero-nav-btn.featured:hover {
    background: rgba(26,115,232,0.3);
    color: #89baff;
}
.docs-hero-stats {
    display: flex;
    gap: 40px;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.06);
    flex-wrap: wrap;
}
.docs-hero-stat .num {
    font-size: 26px;
    font-weight: 600;
    color: #fff;
    letter-spacing: -1px;
    line-height: 1;
    margin-bottom: 4px;
}
.docs-hero-stat .lbl {
    font-size: 12px;
    color: rgba(255,255,255,0.4);
}

/* ===== SECTION WRAPPERS ===== */
.docs-section-bg {
    background: var(--bg-card);
    position: relative;
    z-index: 10;
}
.docs-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 100px 5%;
}

/* ===== QUICK START STEPS ===== */
.qs-steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    position: relative;
    margin-top: 64px;
}
.qs-steps::before {
    content: '';
    position: absolute;
    top: 23px;
    left: calc(10% + 24px);
    right: calc(10% + 24px);
    height: 0;
    border-top: 2px dashed rgba(26,115,232,0.2);
    z-index: 0;
}
.qs-step {
    text-align: center;
    padding: 0 16px;
    position: relative;
    z-index: 1;
}
.qs-step-num {
    width: 48px; height: 48px;
    border-radius: 50%;
    background: var(--text-main); color: white;
    display: flex; align-items: center; justify-content: center;
    font-size: 16px; font-weight: 700;
    margin: 0 auto 24px;
    position: relative; z-index: 2;
    flex-shrink: 0;
}
.qs-step-num::after {
    content: ''; position: absolute; inset: -4px;
    border-radius: 50%;
    border: 2px dashed rgba(26,115,232,0.25);
}
.qs-step-icon {
    font-size: 22px;
    margin-bottom: 14px;
    color: var(--accent-blue);
}
.qs-step h4 {
    font-size: 15px; font-weight: 600; margin-bottom: 8px;
    color: var(--text-main); letter-spacing: -0.3px;
}
.qs-step p {
    font-size: 13px; color: var(--text-muted); line-height: 1.6;
}
.qs-tip {
    background: var(--accent-blue-light);
    border: 1px solid rgba(26,115,232,0.15);
    border-radius: 16px;
    padding: 18px 24px;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-top: 48px;
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    max-width: 760px;
}
.qs-tip i { color: var(--accent-blue); font-size: 16px; margin-top: 2px; flex-shrink: 0; }
.qs-tip strong { color: var(--text-main); }

/* ===== PLATFORM INSTALL TABS ===== */
.docs-tabs-nav {
    display: flex;
    gap: 6px;
    margin-bottom: 40px;
    background: rgba(0,0,0,0.04);
    padding: 6px;
    border-radius: 16px;
    width: fit-content;
    flex-wrap: wrap;
}
.docs-tab-btn {
    display: flex; align-items: center; gap: 8px;
    padding: 10px 22px; border-radius: 12px;
    font-size: 14px; font-weight: 600;
    cursor: pointer; background: transparent;
    color: var(--text-muted); border: none;
    transition: all 0.18s;
    white-space: nowrap;
}
.docs-tab-btn:hover { background: rgba(255,255,255,0.8); color: var(--text-main); }
.docs-tab-btn.active { background: white; color: var(--text-main); box-shadow: 0 1px 6px rgba(0,0,0,0.08); }
.docs-tab-btn i { font-size: 15px; }
.docs-panel { display: none; }
.docs-panel.active { display: block; overflow-x: hidden; }

/* ===== INSTALL GUIDE INNER LAYOUT ===== */
.install-guide {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 40px;
    align-items: start;
    width: 100%;
    min-width: 0;
}
.install-steps-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    min-width: 0;
}
.install-step {
    display: flex;
    gap: 20px;
    padding-bottom: 32px;
    position: relative;
    min-width: 0;
}
.install-step:not(:last-child)::before {
    content: '';
    position: absolute;
    left: 19px; top: 40px;
    width: 2px; bottom: 0;
    background: rgba(0,0,0,0.07);
    border-radius: 2px;
}
.install-step-num {
    width: 40px; height: 40px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid rgba(0,0,0,0.08);
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 700;
    color: var(--text-muted);
    flex-shrink: 0;
    position: relative; z-index: 1;
    transition: all 0.2s;
}
.install-step-num.primary {
    background: var(--text-main);
    border-color: var(--text-main);
    color: white;
}
.install-step-content { padding-top: 8px; flex: 1; min-width: 0; }
.install-step-content h4 {
    font-size: 15px; font-weight: 600; color: var(--text-main);
    margin-bottom: 6px; letter-spacing: -0.2px;
}
.install-step-content p {
    font-size: 14px; color: var(--text-muted); line-height: 1.65;
}
.install-step-content code {
    background: var(--bg-card);
    padding: 2px 7px;
    border-radius: 6px;
    font-size: 12px;
    font-family: 'Courier New', monospace;
    color: var(--text-main);
    font-weight: 600;
}
.install-step-content pre {
    max-width: 100%;
    overflow-x: auto;
    box-sizing: border-box;
}

/* Install side meta card */
.install-meta-card {
    background: white;
    border-radius: 24px;
    padding: 32px;
    border: 1px solid rgba(0,0,0,0.06);
    position: sticky;
    top: 100px;
}
.install-rec-label {
    font-size: 11px; font-weight: 700; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 1px;
    margin-bottom: 12px;
}
.install-client-icon-wrap {
    width: 52px; height: 52px; border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; margin-bottom: 16px;
}
.install-client-icon-wrap.blue { background: var(--accent-blue-light); color: var(--accent-blue); }
.install-client-icon-wrap.green { background: var(--accent-green-light); color: var(--accent-green); }
.install-client-icon-wrap.orange { background: var(--accent-orange-light); color: var(--accent-orange); }
.install-client-icon-wrap.purple { background: var(--accent-purple-light); color: var(--accent-purple); }
.install-client-name {
    font-size: 20px; font-weight: 600; letter-spacing: -0.5px;
    color: var(--text-main); margin-bottom: 6px;
}
.install-client-badges {
    display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px;
}
.install-client-desc {
    font-size: 13px; color: var(--text-muted); line-height: 1.6;
    margin-bottom: 20px;
}
.install-req-tags {
    display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 20px;
}
.install-req-tag {
    background: var(--bg-card);
    color: var(--text-muted);
    padding: 3px 10px; border-radius: 100px;
    font-size: 11px; font-weight: 500;
}
.install-dl-btn {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 20px; border-radius: 14px;
    background: var(--text-main); color: white;
    font-weight: 600; font-size: 14px;
    text-decoration: none; transition: all 0.18s;
}
.install-dl-btn:hover { background: #000; transform: translateY(-1px); }
.install-dl-btn .sub { font-size: 11px; font-weight: 400; opacity: 0.6; display: block; margin-top: 2px; }

/* Note / callout */
.install-note {
    background: rgba(254,188,0,0.08);
    border: 1px solid rgba(254,188,0,0.25);
    border-radius: 12px;
    padding: 14px 18px;
    font-size: 13px; color: var(--text-muted); line-height: 1.65;
    margin-top: 16px;
    display: flex; gap: 10px; align-items: flex-start;
}
.install-note i { color: #d4a012; flex-shrink: 0; margin-top: 2px; }
.install-info {
    background: var(--accent-blue-light);
    border: 1px solid rgba(26,115,232,0.15);
    border-radius: 12px;
    padding: 14px 18px;
    font-size: 13px; color: var(--text-muted); line-height: 1.65;
    margin-top: 16px;
    display: flex; gap: 10px; align-items: flex-start;
}
.install-info i { color: var(--accent-blue); flex-shrink: 0; margin-top: 2px; }

/* iOS App grid */
.ios-guide-intro {
    background: var(--accent-blue-light);
    border: 1px solid rgba(26,115,232,0.15);
    border-radius: 16px;
    padding: 18px 24px;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 28px;
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}
.ios-guide-intro i { color: var(--accent-blue); font-size: 16px; margin-top: 2px; flex-shrink: 0; }
.ios-app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}
.ios-app-card {
    background: white;
    border-radius: 20px;
    padding: 28px;
    border: 1px solid rgba(0,0,0,0.05);
    transition: border-color 0.2s, box-shadow 0.2s;
}
.ios-app-card:hover {
    border-color: rgba(26,115,232,0.15);
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}
.ios-app-header {
    display: flex; align-items: center; gap: 14px; margin-bottom: 12px;
}
.ios-app-icon {
    width: 48px; height: 48px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; flex-shrink: 0;
}
.ios-app-name { font-size: 17px; font-weight: 600; color: var(--text-main); }
.ios-app-price { font-size: 13px; color: var(--text-muted); margin-top: 2px; }
.ios-app-desc { font-size: 13px; color: var(--text-muted); line-height: 1.6; margin-bottom: 16px; }
.ios-app-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.ios-app-tag {
    background: var(--bg-card);
    color: var(--text-muted);
    padding: 3px 10px; border-radius: 100px;
    font-size: 11px; font-weight: 500;
}

/* ===== SUBSCRIPTION GUIDE ===== */
.sub-steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
    margin-top: 60px;
}
.sub-step-card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 32px;
    border: 1px solid rgba(0,0,0,0.04);
    transition: background 0.2s;
}
.sub-step-card:hover { background: var(--bg-card-hover); }
.sub-step-num {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--text-main); color: white;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 700;
    margin-bottom: 20px;
}
.sub-step-card h4 { font-size: 16px; font-weight: 600; color: var(--text-main); margin-bottom: 8px; letter-spacing: -0.2px; }
.sub-step-card p { font-size: 13px; color: var(--text-muted); line-height: 1.65; }
.sub-tips-band {
    background: var(--accent-green-light);
    border: 1px solid rgba(30,142,62,0.12);
    border-radius: 20px;
    padding: 28px 32px;
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}
.sub-tip-item {
    display: flex; gap: 12px; align-items: flex-start;
    font-size: 14px; color: var(--text-muted); line-height: 1.6;
}
.sub-tip-item i { color: var(--accent-green); font-size: 14px; flex-shrink: 0; margin-top: 3px; }

/* ===== CONFIG DARK SECTION ===== */
.docs-config-wrap {
    background: var(--bg-dark);
    position: relative;
    z-index: 10;
    overflow: hidden;
}
.docs-config-wrap::before {
    content: '';
    position: absolute;
    width: 600px; height: 600px; border-radius: 50%;
    background: radial-gradient(circle, rgba(26,115,232,0.1) 0%, transparent 70%);
    top: -100px; right: -100px;
    pointer-events: none;
}
.docs-config-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 100px 5%;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: start;
    position: relative; z-index: 2;
}
.docs-config-text .section-title { color: white; }
.docs-config-text .section-eyebrow { background: rgba(26,115,232,0.2); color: #8ab4f8; }
.docs-config-text .section-desc { color: rgba(255,255,255,0.5); }
.docs-config-points {
    margin-top: 40px;
    display: flex; flex-direction: column; gap: 18px;
}
.docs-config-point {
    display: flex; gap: 14px; align-items: flex-start;
}
.docs-config-point-tag {
    background: rgba(26,115,232,0.2); color: #8ab4f8;
    padding: 4px 12px; border-radius: 100px;
    font-size: 11px; font-weight: 700; font-family: 'Courier New', monospace;
    flex-shrink: 0; white-space: nowrap; margin-top: 3px;
}
.docs-config-point h4 { font-size: 14px; font-weight: 600; color: white; margin-bottom: 3px; }
.docs-config-point p { font-size: 13px; color: rgba(255,255,255,0.42); line-height: 1.55; }

/* ===== ADVANCED FEATURES ===== */
.advanced-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 60px;
}
.advanced-card {
    background: white;
    border-radius: 24px;
    padding: 36px;
    border: 1px solid rgba(0,0,0,0.05);
    transition: border-color 0.2s, box-shadow 0.2s;
}
.advanced-card:hover {
    border-color: rgba(26,115,232,0.15);
    box-shadow: 0 4px 24px rgba(0,0,0,0.07);
}
.advanced-card-icon {
    width: 48px; height: 48px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; margin-bottom: 20px;
}
.advanced-card h3 { font-size: 17px; font-weight: 600; color: var(--text-main); margin-bottom: 10px; letter-spacing: -0.3px; }
.advanced-card > p { font-size: 14px; color: var(--text-muted); line-height: 1.65; margin-bottom: 16px; }
.advanced-feature-list {
    display: flex; flex-direction: column; gap: 8px;
}
.advanced-feature-list li {
    display: block;
    padding-left: 16px;
    position: relative;
    font-size: 13px; color: var(--text-muted); line-height: 1.6;
}
.advanced-feature-list li::before {
    content: '·'; color: var(--accent-blue);
    font-weight: 700; font-size: 18px; line-height: 1.3;
    position: absolute;
    left: 0;
    top: -1px;
}
.advanced-feature-list code {
    background: var(--bg-card);
    padding: 2px 6px;
    border-radius: 6px;
    font-size: 12px;
    font-family: 'Courier New', monospace;
    color: var(--text-main);
    font-weight: 600;
    word-break: break-all;
}
.advanced-card-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 16px; }
.advanced-card-tag {
    background: var(--bg-card);
    color: var(--text-muted);
    padding: 3px 10px; border-radius: 100px;
    font-size: 11px; font-weight: 500;
}

/* ===== DOCS FAQ ===== */
.docs-faq-wrap {
    background: var(--bg-card);
    position: relative; z-index: 10;
}
.docs-faq-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 100px 5%;
}
.docs-faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 20px;
    margin-top: 56px;
}
.docs-faq-col { display: flex; flex-direction: column; gap: 0; }
details.docs-faq-item {
    background: white;
    border-radius: 16px;
    margin-bottom: 12px;
    border: 1px solid rgba(0,0,0,0.05);
    overflow: hidden;
    transition: all 0.2s;
}
details.docs-faq-item[open] {
    border-color: rgba(26,115,232,0.15);
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
details.docs-faq-item summary {
    padding: 20px 24px;
    cursor: pointer;
    list-style: none;
    display: flex; justify-content: space-between; align-items: flex-start; gap: 16px;
    font-size: 15px; font-weight: 600; color: var(--text-main); line-height: 1.45;
    transition: color 0.2s;
}
details.docs-faq-item summary::-webkit-details-marker { display: none; }
details.docs-faq-item summary::after {
    content: '+'; font-size: 20px; font-weight: 300; color: var(--text-muted);
    flex-shrink: 0; transition: transform 0.25s; line-height: 1;
}
details.docs-faq-item[open] summary::after { transform: rotate(45deg); color: var(--accent-blue); }
details.docs-faq-item[open] summary { color: var(--accent-blue); }
.docs-faq-answer {
    padding: 0 24px 20px;
    font-size: 14px; color: var(--text-muted); line-height: 1.7;
}
.docs-faq-answer code {
    background: var(--bg-card);
    padding: 2px 7px; border-radius: 6px;
    font-size: 12px; font-family: 'Courier New', monospace; color: var(--text-main);
}
.docs-faq-answer a { color: var(--accent-blue); text-decoration: underline; }

/* ===== DOCS CTA ===== */
.docs-cta-wrap {
    background: var(--bg-dark);
    position: relative; z-index: 10;
    overflow: hidden;
}
.docs-cta-wrap::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(ellipse 50% 80% at 80% 50%, rgba(26,115,232,0.12) 0%, transparent 70%);
    pointer-events: none;
}
.docs-cta-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 80px 5%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
    position: relative; z-index: 2;
}
.docs-cta-inner h2 { font-size: clamp(26px, 3vw, 40px); font-weight: 500; color: white; letter-spacing: -1px; margin-bottom: 10px; }
.docs-cta-inner p { font-size: 16px; color: rgba(255,255,255,0.45); }
.docs-cta-btns { display: flex; gap: 12px; flex-shrink: 0; flex-wrap: wrap; }
.cta-btn-docs {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 28px; border-radius: 100px;
    font-size: 15px; font-weight: 600;
    text-decoration: none; transition: all 0.2s;
}
.cta-btn-docs.white { background: white; color: var(--text-main); }
.cta-btn-docs.white:hover { box-shadow: 0 6px 20px rgba(255,255,255,0.15); transform: translateY(-2px); }
.cta-btn-docs.ghost {
    background: transparent;
    color: rgba(255,255,255,0.65);
    border: 1.5px solid rgba(255,255,255,0.15);
}
.cta-btn-docs.ghost:hover { border-color: rgba(255,255,255,0.35); color: white; transform: translateY(-2px); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
    .install-guide { grid-template-columns: 1fr; }
    .install-meta-card { position: static; }
    .docs-config-inner { grid-template-columns: 1fr; gap: 48px; }
    .advanced-grid { grid-template-columns: repeat(2, 1fr); }
    .docs-faq-grid { grid-template-columns: 1fr; gap: 0; }
}
@media (max-width: 1024px) {
    .qs-steps { grid-template-columns: repeat(3, 1fr); gap: 36px; }
    .qs-steps::before { display: none; }
}
@media (max-width: 768px) {
    .docs-hero { padding: 130px 5% 60px; }
    .docs-hero h1 { letter-spacing: -1.2px; }
    .docs-hero-stats { gap: 24px; }
    .qs-steps { grid-template-columns: 1fr; gap: 24px; }
    .docs-tabs-nav {
        width: 100%; overflow-x: auto; flex-wrap: nowrap;
        scrollbar-width: none; padding: 4px;
    }
    .docs-tabs-nav::-webkit-scrollbar { display: none; }
    .advanced-grid { grid-template-columns: 1fr; }
    .sub-steps-grid { grid-template-columns: 1fr; }
    .sub-tips-band { grid-template-columns: 1fr; padding: 20px 24px; }
    .ios-app-grid { grid-template-columns: 1fr; }
    .docs-cta-inner { flex-direction: column; }
    .docs-cta-btns { width: 100%; }
    .cta-btn-docs { flex: 1; justify-content: center; }
}