:root {
    --bg: #0b0f1a;
    --bg-warm: #111622;
    --ink: #eef2ff;
    --ink-soft: #b4c0e0;
    --muted: #7b89b0;
    --accent: #4f8cff;
    --accent-light: rgba(79, 140, 255, 0.12);
    --coral: #ff6b7a;
    --coral-light: rgba(255, 107, 122, 0.12);
    --mint: #3dd9a6;
    --mint-light: rgba(61, 217, 166, 0.12);
    --amber: #f5b042;
    --violet: #9f6eff;
    --line: rgba(238, 242, 255, 0.07);
    --line-dark: rgba(238, 242, 255, 0.13);
    --card: #151a28;
    --card-hover: #1c2132;
    --shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 18px 48px rgba(0, 0, 0, 0.45);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
}

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg);
    color: var(--ink);
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

::selection {
    background: var(--accent);
    color: #fff;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s cubic-bezier(.22, 1, .36, 1);
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 48px);
}

h1,
h2,
h3,
h4 {
    font-family: 'Instrument Serif', serif;
    font-weight: 400;
    letter-spacing: -.02em;
}

/* NAV */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    backdrop-filter: blur(24px) saturate(1.8);
    -webkit-backdrop-filter: blur(24px) saturate(1.8);
    background: rgba(11, 15, 26, 0.78);
    border-bottom: 1px solid var(--line);
    transition: box-shadow 0.35s ease;
}

nav.scrolled {
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    background: rgba(11, 15, 26, 0.9);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 62px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Instrument Serif', serif;
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -.01em;
}

.logo-icon {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--accent), var(--violet));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 10px rgba(79, 140, 255, 0.3);
    transition: transform 0.35s cubic-bezier(.34, 1.56, .64, 1);
}

.logo:hover .logo-icon {
    transform: rotate(-8deg) scale(1.1);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-right a {
    padding: 8px 15px;
    border-radius: 8px;
    font-size: .86rem;
    font-weight: 500;
    color: var(--ink-soft);
    transition: all 0.22s ease;
}

.nav-right a:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--ink);
}

.nav-right a.active {
    background: var(--accent-light);
    color: var(--accent);
    font-weight: 600;
}

.mobile-btn {
    display: none;
    background: none;
    border: none;
    color: var(--ink);
    font-size: 1.5rem;
    cursor: pointer;
}

/* BREADCRUMB */
.breadcrumb {
    padding: 84px 0 0;
    position: relative;
    z-index: 1;
    font-family: 'JetBrains Mono', monospace;
    font-size: .78rem;
    color: var(--muted);
}

.breadcrumb a {
    color: var(--muted);
}

.breadcrumb a:hover {
    color: var(--accent);
}

.breadcrumb .sep {
    margin: 0 8px;
    opacity: .4;
}

/* HERO */
.hero {
    padding: clamp(24px, 4vh, 48px) 0 clamp(40px, 6vh, 72px);
    position: relative;
    z-index: 1;
}

.hero-head {
    margin-bottom: clamp(32px, 4vw, 56px);
}

.hero-head h1 {
    font-size: clamp(2.4rem, 5vw, 4rem);
    line-height: 1.05;
    margin-bottom: 12px;
}

.hero-head h1 em {
    font-style: italic;
    background: linear-gradient(135deg, var(--accent), var(--violet));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hh-meta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    font-family: 'JetBrains Mono', monospace;
    font-size: .78rem;
    color: var(--muted);
}

.hh-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.hm-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    display: inline-block;
}

/* JOURNEY */
.journey {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.j-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: clamp(18px, 2.5vw, 28px);
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

.j-row:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    background: var(--card-hover);
    border-color: transparent;
}

.j-left {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.jl-top {
    display: flex;
    align-items: center;
    gap: 12px;
}

.jl-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.jr-win .jl-icon {
    background: var(--accent-light);
    color: var(--accent);
}

.jr-mac .jl-icon {
    background: rgba(159, 110, 255, 0.1);
    color: var(--violet);
}

.jr-ios .jl-icon {
    background: var(--mint-light);
    color: var(--mint);
}

.jr-and .jl-icon {
    background: var(--coral-light);
    color: var(--coral);
}

.jl-name {
    font-family: 'Instrument Serif', serif;
    font-size: 1.3rem;
}

.jl-badge {
    padding: 2px 10px;
    border-radius: 100px;
    font-family: 'JetBrains Mono', monospace;
    font-size: .68rem;
    font-weight: 500;
    letter-spacing: .04em;
    background: rgba(255, 255, 255, 0.05);
    color: var(--muted);
}

.jl-desc {
    font-size: .8rem;
    color: var(--muted);
    font-family: 'JetBrains Mono', monospace;
    padding-left: 48px;
}

.j-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.jr-steps {
    display: flex;
    align-items: center;
    gap: 0;
}

.jr-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.jr-circle {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bg);
    border: 2px solid var(--line-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: .72rem;
    font-weight: 600;
    color: var(--ink-soft);
}

.jr-connector {
    width: 24px;
    height: 2px;
    background: var(--line-dark);
    margin: 0 6px;
}

.jr-label {
    font-size: .7rem;
    color: var(--muted);
    font-family: 'JetBrains Mono', monospace;
}

.jr-goto {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: .85rem;
    font-weight: 500;
    color: var(--accent);
}

/* EDITORIAL SECTION */
.editorial-section {
    padding: clamp(50px, 7vh, 90px) 0;
    border-top: 1px solid var(--line);
}

.ed-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(30px, 5vw, 60px);
    align-items: start;
}

.ed-inner.reversed {
    direction: rtl;
}

.ed-inner.reversed>* {
    direction: ltr;
}

.ed-header {
    position: sticky;
    top: 80px;
}

.ed-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: .8rem;
    font-weight: 500;
    color: var(--muted);
    margin-bottom: 12px;
    letter-spacing: .1em;
}

.ed-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: .7rem;
    font-weight: 500;
    letter-spacing: .04em;
    margin-bottom: 16px;
}

.tag-blue {
    background: var(--accent-light);
    color: var(--accent);
}

.tag-violet {
    background: rgba(159, 110, 255, 0.1);
    color: var(--violet);
}

.tag-mint {
    background: var(--mint-light);
    color: var(--mint);
}

.tag-coral {
    background: var(--coral-light);
    color: var(--coral);
}

.ed-header h2 {
    font-size: clamp(2rem, 3.5vw, 2.6rem);
    margin-bottom: 12px;
}

.ed-header p {
    color: var(--muted);
    font-size: .95rem;
    margin-bottom: 20px;
    max-width: 90%;
}

.ed-meta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    font-family: 'JetBrains Mono', monospace;
    font-size: .75rem;
    color: var(--muted);
}

.ed-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.em-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent);
    display: inline-block;
}

.ed-steps {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ed-step {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 16px;
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}

.ed-step:hover {
    box-shadow: var(--shadow);
    background: var(--card-hover);
}

.ed-step-head {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 22px;
    cursor: pointer;
    user-select: none;
}

.ed-step-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.sd1 {
    background: var(--accent);
}

.sd2 {
    background: var(--violet);
}

.sd3 {
    background: var(--mint);
}

.sd4 {
    background: var(--coral);
}

.esh-title {
    font-family: 'DM Sans', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    flex: 1;
    letter-spacing: 0;
    color: var(--ink);
}

.esh-brief {
    font-size: .78rem;
    color: var(--muted);
    font-family: 'JetBrains Mono', monospace;
}

.esh-toggle {
    transition: transform 0.3s ease;
    color: var(--muted);
}

.ed-step.open .esh-toggle {
    transform: rotate(180deg);
}

.ed-step-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.ed-step.open .ed-step-body {
    max-height: 600px;
}

.ed-step-body-inner {
    padding: 0 22px 20px 46px;
    font-size: .9rem;
    line-height: 1.8;
    color: var(--ink-soft);
}

.ed-step-body-inner ol {
    padding-left: 18px;
    margin-bottom: 14px;
}

.ed-step-body-inner li {
    margin-bottom: 6px;
}

.ed-step-body-inner code {
    font-family: 'JetBrains Mono', monospace;
    font-size: .82rem;
    padding: 2px 8px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--ink-soft);
}

.tip-box {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 16px;
    border-radius: 10px;
    font-size: .85rem;
    line-height: 1.6;
}

.tb-info {
    background: var(--accent-light);
    color: var(--accent);
}

.tb-warn {
    background: rgba(245, 176, 66, 0.1);
    color: var(--amber);
}

.tb-ok {
    background: var(--mint-light);
    color: var(--mint);
}

.tb-icon {
    font-style: normal;
    flex-shrink: 0;
    font-weight: 700;
}

/* KNOWLEDGE SECTION */
.knowledge-section {
    padding: clamp(50px, 7vh, 90px) 0;
}

.section-head {
    text-align: center;
    margin-bottom: clamp(36px, 4.5vw, 58px);
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: .73rem;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: .13em;
    text-transform: uppercase;
    margin-bottom: 14px;
}

.section-tag::before,
.section-tag::after {
    content: '';
    width: 18px;
    height: 1px;
    background: var(--accent);
    opacity: .4;
}

.section-head h2 {
    font-size: clamp(1.9rem, 4vw, 3rem);
    line-height: 1.1;
    margin-bottom: 12px;
}

.section-head p {
    color: var(--muted);
    font-size: .98rem;
    max-width: 480px;
    margin: 0 auto;
}

.kb-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.kb-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: clamp(20px, 2.5vw, 28px);
    transition: all 0.3s ease;
}

.kb-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    background: var(--card-hover);
}

.kb-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.kb-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ki1 {
    background: var(--accent-light);
    color: var(--accent);
}

.ki2 {
    background: var(--coral-light);
    color: var(--coral);
}

.ki3 {
    background: var(--mint-light);
    color: var(--mint);
}

.kb-head h3 {
    font-family: 'DM Sans', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0;
}

.kb-body {
    color: var(--muted);
    font-size: .88rem;
    line-height: 1.7;
}

.kb-body code {
    font-family: 'JetBrains Mono', monospace;
    font-size: .78rem;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.05);
}

/* TIPS SCROLL */
.tips-scroll {
    padding: clamp(50px, 7vh, 90px) 0;
}

.tips-track {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 16px;
    scrollbar-width: thin;
    scrollbar-color: var(--line-dark) transparent;
}

.tips-track::-webkit-scrollbar {
    height: 4px;
}

.tips-track::-webkit-scrollbar-track {
    background: transparent;
}

.tips-track::-webkit-scrollbar-thumb {
    background: var(--line-dark);
    border-radius: 2px;
}

.tip-card {
    flex: 0 0 280px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 24px;
    transition: background 0.3s;
}

.tip-card:hover {
    background: var(--card-hover);
}

.tc-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: .7rem;
    font-weight: 500;
    letter-spacing: .1em;
    display: block;
    margin-bottom: 10px;
}

.tcn1 {
    color: var(--accent);
}

.tcn2 {
    color: var(--coral);
}

.tcn3 {
    color: var(--mint);
}

.tcn4 {
    color: var(--violet);
}

.tcn5 {
    color: var(--amber);
}

.tip-card h4 {
    font-family: 'DM Sans', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 8px;
    letter-spacing: 0;
    color: var(--ink);
}

.tip-card p {
    font-size: .85rem;
    color: var(--muted);
    line-height: 1.6;
}

/* TROUBLESHOOT */
.troubleshoot-section {
    padding: clamp(50px, 7vh, 90px) 0;
    border-top: 1px solid var(--line);
}

.ts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.ts-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: clamp(22px, 2.5vw, 32px);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.ts-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    background: var(--card-hover);
}

.ts-card .ts-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: .75rem;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: 12px;
}

.ts-card h3 {
    font-family: 'DM Sans', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 8px;
    letter-spacing: 0;
    color: var(--ink);
}

.ts-card p {
    color: var(--muted);
    font-size: .9rem;
    line-height: 1.7;
    flex: 1;
}

.ts-card .ts-solution {
    margin-top: 14px;
    padding: 12px 16px;
    background: var(--bg);
    border-radius: 12px;
    font-size: .85rem;
    color: var(--ink-soft);
    border-left: 3px solid var(--accent);
}

/* OPTIMIZE */
.optimize-section {
    padding: clamp(50px, 7vh, 90px) 0;
}

.opt-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.opt-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: clamp(20px, 2vw, 28px);
    text-align: center;
    transition: all 0.3s ease;
}

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

.opt-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
    font-size: 1.5rem;
}

.opt-card:nth-child(1) .opt-icon {
    background: var(--accent-light);
    color: var(--accent);
}

.opt-card:nth-child(2) .opt-icon {
    background: var(--coral-light);
    color: var(--coral);
}

.opt-card:nth-child(3) .opt-icon {
    background: var(--mint-light);
    color: var(--mint);
}

.opt-card h3 {
    font-family: 'DM Sans', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 6px;
    letter-spacing: 0;
    color: var(--ink);
}

.opt-card p {
    font-size: .85rem;
    color: var(--muted);
    line-height: 1.6;
}

/* CTA */
.cta-section {
    padding: clamp(60px, 8vh, 100px) 0;
    position: relative;
    z-index: 1;
}

.cta-inner {
    background: linear-gradient(135deg, #1b2235 0%, #0f1422 100%);
    border-radius: 28px;
    padding: clamp(50px, 6vw, 80px);
    text-align: center;
    position: relative;
    overflow: hidden;
    color: #fff;
    border: 1px solid var(--line-dark);
}

.cta-inner::before {
    content: '';
    position: absolute;
    top: -150px;
    left: 50%;
    width: 500px;
    height: 500px;
    transform: translateX(-50%);
    background: radial-gradient(circle, rgba(79, 140, 255, 0.2), transparent 60%);
    pointer-events: none;
}

.cta-inner h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.1;
    margin-bottom: 14px;
    position: relative;
    z-index: 1;
}

.cta-inner h2 em {
    font-style: italic;
    color: #7ba4ff;
}

.cta-inner p {
    color: rgba(255, 255, 255, 0.55);
    font-size: 1.05rem;
    margin-bottom: 36px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

.cta-btns {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.btn-solid {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 12px;
    background: var(--accent);
    color: #fff;
    font-weight: 600;
    font-size: .95rem;
    font-family: 'DM Sans', sans-serif;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(79, 140, 255, 0.3);
    text-decoration: none;
}

.btn-solid:hover {
    background: #6a9fff;
    box-shadow: 0 8px 28px rgba(79, 140, 255, 0.5);
    transform: translateY(-2px);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 12px;
    background: transparent;
    color: var(--ink);
    font-weight: 600;
    font-size: .95rem;
    font-family: 'DM Sans', sans-serif;
    border: 1.5px solid var(--line-dark);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-outline:hover {
    border-color: var(--accent);
    background: var(--accent-light);
    color: var(--accent);
    transform: translateY(-2px);
}

.cta-section .btn-solid {
    background: #fff;
    color: #0b0f1a;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

.cta-section .btn-solid:hover {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 8px 30px rgba(79, 140, 255, 0.5);
}

.cta-section .btn-outline {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.2);
}

.cta-section .btn-outline:hover {
    border-color: #7ba4ff;
    background: rgba(79, 140, 255, 0.15);
    color: #fff;
}

/* FOOTER */
.footer {
    border-top: 1px solid var(--line);
    padding: 50px 0 24px;
    position: relative;
    z-index: 1;
    background: #0d1120;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2.5fr 1fr 1fr 1fr;
    gap: clamp(24px, 4vw, 60px);
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--muted);
    font-size: .85rem;
    max-width: 260px;
    line-height: 1.7;
    margin-top: 12px;
}

.footer-col h4 {
    font-family: 'JetBrains Mono', monospace;
    font-size: .72rem;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: 16px;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.footer-col li {
    margin-bottom: 9px;
}

.footer-col a {
    color: var(--muted);
    font-size: .85rem;
    transition: all 0.3s ease;
}

.footer-col a:hover {
    color: var(--accent);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid var(--line);
    font-size: .75rem;
    color: var(--muted);
    font-family: 'JetBrains Mono', monospace;
}

/* BACK TO TOP */
.back-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--card);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 99;
}

.back-top.show {
    opacity: 1;
    visibility: visible;
}

/* REVEAL ANIMATION */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: all 0.7s cubic-bezier(.22, 1, .36, 1);
}

.reveal.show {
    opacity: 1;
    transform: translateY(0);
}

.reveal-d1 {
    transition-delay: .1s;
}

.reveal-d2 {
    transition-delay: .2s;
}

.reveal-d3 {
    transition-delay: .3s;
}

.reveal-d4 {
    transition-delay: .4s;
}

/* RESPONSIVE */
@media(max-width:1024px) {
    .ed-inner {
        grid-template-columns: 1fr;
    }
    .ed-inner.reversed {
        direction: ltr;
    }
    .kb-grid {
        grid-template-columns: 1fr 1fr;
    }
    .ts-grid {
        grid-template-columns: 1fr;
    }
    .opt-grid {
        grid-template-columns: 1fr 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media(max-width:768px) {
    .nav-right a:not(.nav-right a.active) {
        display: none;
    }
    .nav-right a.active {
        display: block;
    }
    .mobile-btn {
        display: block;
    }
    .j-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    .jr-steps {
        flex-wrap: wrap;
        justify-content: flex-start;
    }
    .kb-grid {
        grid-template-columns: 1fr;
    }
    .opt-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 6px;
        text-align: center;
    }
}

@media(max-width:480px) {
    .hh-meta {
        flex-direction: column;
        gap: 8px;
    }
    .ed-header {
        position: static;
    }
}