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

:root {
    --bg: #080c12;
    --bg2: #0d1219;
    --surface: #111827;
    --surface2: #161f2e;
    --blue: #2563eb;
    --blue-bright: #3b82f6;
    --blue-glow: rgba(59, 130, 246, 0.4);
    --cyan: #06b6d4;
    --white: #f8fafc;
    --muted: #94a3b8;
    --border: rgba(255, 255, 255, 0.07);
    --font-display: 'Syne', sans-serif;
    --font-body: 'DM Sans', sans-serif;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 92px;
}

body {
    background: var(--bg);
    color: var(--white);
    font-family: var(--font-body);
    overflow-x: hidden;
    line-height: 1.6;
    min-width: 320px;
}

/* ─── NOISE OVERLAY ─── */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
    background-size: 200px;
    pointer-events: none;
    z-index: 1000;
    opacity: 0.4;
}

/* ─── NAV ─── */
nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    height: 72px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(8, 12, 18, 0.85);
    backdrop-filter: blur(16px);
    animation: fadeDown 0.6s ease both;
}

.logo-img {
    height: 44px;
    width: auto;
    object-fit: contain;
    filter: invert(1);
    mix-blend-mode: screen;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #1e3a8a, #2563eb);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 13px;
    color: white;
    letter-spacing: -0.5px;
    position: relative;
    overflow: hidden;
}

.logo-icon::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 40%, rgba(255, 255, 255, 0.1) 50%, transparent 60%);
    animation: shimmer 3s infinite;
}

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

.logo-text span:first-child {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    color: var(--white);
}

.logo-text span:last-child {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 700;
    color: var(--blue-bright);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--muted);
    font-size: 14px;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: 8px;
    transition: color 0.2s, background 0.2s;
}

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

.nav-links a.active {
    color: var(--blue-bright);
}

.nav-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.nav-user {
    max-width: 180px;
    min-height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 14px;
    border: 1px solid rgba(59, 130, 246, 0.34);
    border-radius: 8px;
    background: rgba(37, 99, 235, 0.12);
    color: #dbeafe;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.profile-menu {
    position: relative;
}

.profile-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    z-index: 50;
    min-width: 150px;
    padding: 8px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    background: rgba(7, 12, 24, 0.96);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.32);
}

.profile-dropdown button {
    width: 100%;
    min-height: 38px;
    border: 0;
    border-radius: 6px;
    background: transparent;
    color: #f8fafc;
    font: inherit;
    font-size: 14px;
    font-weight: 700;
    text-align: left;
    padding: 0 10px;
    cursor: pointer;
}

.profile-dropdown button:hover {
    background: rgba(37, 99, 235, 0.16);
}

.btn-ghost {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--white);
    padding: 9px 20px;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.btn-ghost:hover {
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.05);
}

.btn-primary {
    background: var(--blue);
    border: none;
    color: white;
    padding: 10px 22px;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, transparent 60%);
}

.btn-primary:hover {
    background: var(--blue-bright);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px var(--blue-glow);
}

/* ─── HERO ─── */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 40px;
    padding: 80px 80px 60px;
    min-height: calc(100vh - 72px);
    min-height: calc(100svh - 72px);
    position: relative;
    overflow: hidden;
}

/* ambient glow bg */
.hero::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, transparent 70%);
    top: -100px;
    left: -100px;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.08) 0%, transparent 70%);
    bottom: 0;
    right: 200px;
    pointer-events: none;
}

.hero-left {
    animation: fadeUp 0.8s ease both 0.2s;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(59, 130, 246, 0.3);
    background: rgba(37, 99, 235, 0.1);
    color: var(--blue-bright);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1.5px;
    padding: 6px 14px;
    border-radius: 100px;
    text-transform: uppercase;
    margin-bottom: 28px;
}

.hero-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--blue-bright);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(48px, 5.5vw, 76px);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -2px;
    margin-bottom: 24px;
    color: var(--white);
}

.hero-title .accent {
    color: var(--blue-bright);
}

.hero-desc {
    font-size: 17px;
    color: var(--muted);
    max-width: 460px;
    margin-bottom: 40px;
    line-height: 1.7;
    font-weight: 400;
}

.hero-cta {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.btn-hero-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--blue);
    color: white;
    padding: 15px 30px;
    border-radius: 10px;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
    position: relative;
    overflow: hidden;
}

.btn-hero-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.18) 0%, transparent 60%);
}

.btn-hero-primary:hover {
    background: var(--blue-bright);
    transform: translateY(-2px);
    box-shadow: 0 12px 32px var(--blue-glow);
}

.btn-hero-primary .arrow {
    transition: transform 0.2s;
}

.btn-hero-primary:hover .arrow {
    transform: translateX(4px);
}

.btn-hero-outline {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: transparent;
    color: var(--white);
    padding: 15px 30px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: border-color 0.2s, background 0.2s, transform 0.15s;
}

.btn-hero-outline:hover {
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

/* ─── 3D COIN VISUAL ─── */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    height: 480px;
    animation: fadeUp 0.8s ease both 0.4s;
}

.coin-stage {
    position: relative;
    width: 320px;
    height: 320px;
}

/* platform glow */
.coin-stage::before {
    content: '';
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 260px;
    height: 60px;
    background: radial-gradient(ellipse, rgba(59, 130, 246, 0.5) 0%, transparent 70%);
    filter: blur(12px);
    border-radius: 50%;
    animation: breathe 3s ease-in-out infinite;
}

.main-coin {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, #1e2d45, #0d1625);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 0 0 2px rgba(59, 130, 246, 0.6),
        0 0 40px rgba(59, 130, 246, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    animation: float 4s ease-in-out infinite;
    z-index: 3;
}

.coin-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotateX(70deg);
    width: 280px;
    height: 280px;
    border-radius: 50%;
    border: 2px solid rgba(59, 130, 246, 0.5);
    animation: spin-ring 8s linear infinite;
    z-index: 2;
}

.coin-ring::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 1px solid rgba(59, 130, 246, 0.2);
    scale: 1.1;
}

.coin-logo-img {
    width: 130px;
    height: 130px;
    object-fit: contain;
    filter: invert(1);
    mix-blend-mode: screen;
    position: relative;
    z-index: 1;
}

.coin-logo {
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: 800;
    color: white;
    text-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
    position: relative;
    z-index: 1;
}

.coin-logo .hat {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 20px;
}

/* platform steps */
.platform {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.platform-step {
    background: linear-gradient(180deg, #1a2540 0%, #111827 100%);
    border-radius: 4px;
    margin: 0 auto;
}

.platform-step:nth-child(1) {
    width: 160px;
    height: 18px;
}

.platform-step:nth-child(2) {
    width: 200px;
    height: 16px;
    margin-top: -1px;
}

.platform-step:nth-child(3) {
    width: 240px;
    height: 14px;
    margin-top: -1px;
}

/* floating crypto icons */
.crypto-icon {
    position: absolute;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    z-index: 4;
}

.icon-btc {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    top: -20px;
    right: 20px;
    animation: float 3.5s ease-in-out infinite 0.5s;
}

.icon-eth {
    width: 54px;
    height: 54px;
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    top: 20px;
    right: -40px;
    animation: float 4.5s ease-in-out infinite 1s;
}

.icon-sol {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #8b5cf6, #6d28d9);
    bottom: 80px;
    left: -40px;
    animation: float 3.8s ease-in-out infinite 0.2s;
}

.icon-cube1 {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
    top: 60px;
    left: 10px;
    border-radius: 10px;
    animation: float 5s ease-in-out infinite 1.5s;
    opacity: 0.8;
}

.icon-cube2 {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #7c3aed, #5b21b6);
    top: -30px;
    left: 80px;
    border-radius: 8px;
    animation: float 4.2s ease-in-out infinite 0.8s;
    opacity: 0.7;
}

/* ─── STATS BAR ─── */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    margin: 0 80px 80px;
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    background: var(--surface);
    animation: fadeUp 0.8s ease both 0.6s;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 28px 32px;
    border-right: 1px solid var(--border);
    position: relative;
    transition: background 0.2s;
}

.stat-item:hover {
    background: var(--surface2);
}

.stat-item:last-child {
    border-right: none;
}

.stat-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(37, 99, 235, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--blue-bright);
    font-size: 18px;
}

.stat-text-label {
    color: var(--muted);
    font-size: 13px;
    margin-top: 2px;
}

.stat-text-value {
    font-family: var(--font-display);
    font-size: 26px;
    font-weight: 800;
    color: var(--white);
    line-height: 1.1;
}

/* ─── COURSES SECTION ─── */
.section {
    padding: 0 80px 100px;
    animation: fadeUp 0.8s ease both 0.8s;
    scroll-margin-top: 96px;
}

.section-label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--blue-bright);
    margin-bottom: 10px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 40px;
}

.section-title {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 800;
    color: var(--white);
    letter-spacing: -1px;
}

.btn-view-all {
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--white);
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    font-family: var(--font-body);
    transition: border-color 0.2s, background 0.2s;
    text-decoration: none;
    white-space: nowrap;
}

.btn-view-all:hover {
    border-color: rgba(59, 130, 246, 0.4);
    background: rgba(59, 130, 246, 0.05);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.course-card {
    display: block;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px 22px 22px;
    position: relative;
    overflow: hidden;
    color: inherit;
    text-decoration: none;
    transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
    cursor: pointer;
}

.course-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.02) 0%, transparent 60%);
    pointer-events: none;
}

.course-card:hover {
    transform: translateY(-6px);
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(59, 130, 246, 0.1);
}

.course-card:hover .course-icon-wrap {
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.3);
}

.course-icon-wrap {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 16px;
    transition: box-shadow 0.25s;
}

.course-name {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    line-height: 1.3;
    margin-bottom: 12px;
}

.course-desc {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.6;
    margin-bottom: 20px;
}

.course-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--blue-bright);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: gap 0.2s;
}

.course-link:hover {
    gap: 10px;
}

.course-link .arrow {
    font-size: 16px;
}

/* icon bg colors */
.bg-orange {
    background: linear-gradient(135deg, #f59e0b22, #d9770633);
    border: 1px solid #f59e0b33;
}

.bg-indigo {
    background: linear-gradient(135deg, #6366f122, #4f46e533);
    border: 1px solid #6366f133;
}

.bg-teal {
    background: linear-gradient(135deg, #14b8a622, #0d948133);
    border: 1px solid #14b8a633;
}

.bg-pink {
    background: linear-gradient(135deg, #ec489922, #be185d33);
    border: 1px solid #ec489933;
}

.bg-green {
    background: linear-gradient(135deg, #10b98122, #05966933);
    border: 1px solid #10b98133;
}

/* RESOURCES SECTION */
.resources-section {
    padding: 0 80px 70px;
}

.resources-content {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
    gap: 34px;
    align-items: center;
    padding: 38px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background:
        radial-gradient(circle at 88% 20%, rgba(16, 185, 129, 0.12), transparent 28%),
        var(--surface);
}

.resources-desc {
    max-width: 620px;
    margin-top: 16px;
    color: var(--muted);
    font-size: 17px;
    line-height: 1.7;
}

.resource-card {
    min-height: 128px;
    display: grid;
    align-content: space-between;
    gap: 22px;
    padding: 22px;
    border: 1px solid rgba(16, 185, 129, 0.24);
    border-radius: 16px;
    background: rgba(16, 185, 129, 0.08);
    color: var(--white);
    text-decoration: none;
    transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}

.resource-card:hover {
    transform: translateY(-5px);
    border-color: rgba(16, 185, 129, 0.45);
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

.resource-icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.28);
    color: #34d399;
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 800;
}

.resource-card strong {
    display: block;
    margin-bottom: 5px;
    font-family: var(--font-display);
    font-size: 17px;
    line-height: 1.25;
}

.resource-card small {
    display: block;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.35;
    overflow-wrap: anywhere;
}

/* COMMUNITY SECTION */
.community-section {
    padding: 0 80px 70px;
}

.community-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 16px;
}

.community-card {
    min-height: 128px;
    display: grid;
    align-content: space-between;
    gap: 22px;
    padding: 22px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--surface);
    color: var(--white);
    text-decoration: none;
    transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}

.community-card:hover {
    transform: translateY(-5px);
    border-color: rgba(59, 130, 246, 0.38);
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

.community-icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: rgba(37, 99, 235, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.26);
    color: var(--blue-bright);
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 800;
}

.community-card strong {
    display: block;
    margin-bottom: 5px;
    font-family: var(--font-display);
    font-size: 17px;
    line-height: 1.25;
}

.community-card small {
    display: block;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.35;
    overflow-wrap: anywhere;
}

/* CONTACT SECTION */
.contact-section {
    padding: 0 80px 60px;
}

.contact-content {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 34px;
    align-items: center;
    padding: 38px;
    border: 1px solid rgba(59, 130, 246, 0.22);
    border-radius: 16px;
    background:
        radial-gradient(circle at 88% 18%, rgba(6, 182, 212, 0.12), transparent 28%),
        var(--surface);
}

.contact-desc {
    max-width: 620px;
    margin-top: 16px;
    color: var(--muted);
    font-size: 17px;
    line-height: 1.7;
}

.contact-actions {
    display: grid;
    gap: 12px;
    min-width: min(360px, 100%);
}

.contact-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 0 22px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    background: rgba(37, 99, 235, 0.1);
    color: var(--white);
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
    transition: border-color 0.2s, background 0.2s, transform 0.15s;
}

.contact-link:hover {
    border-color: rgba(59, 130, 246, 0.5);
    background: rgba(37, 99, 235, 0.18);
    transform: translateY(-1px);
}

.newsletter-form {
    display: grid;
    gap: 12px;
    margin-top: 8px;
    padding: 18px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.14);
}

.newsletter-form label {
    color: rgba(248, 250, 252, 0.82);
    font-size: 14px;
    font-weight: 600;
    line-height: 1.45;
}

.newsletter-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
}

.newsletter-row input {
    min-width: 0;
    min-height: 48px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.04);
    color: var(--white);
    font: inherit;
    padding: 0 14px;
    outline: 0;
}

.newsletter-row input::placeholder {
    color: rgba(248, 250, 252, 0.54);
}

.newsletter-row input:focus {
    border-color: rgba(59, 130, 246, 0.78);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.16);
}

.newsletter-row button {
    min-height: 48px;
    border: 0;
    border-radius: 8px;
    background: var(--blue);
    color: white;
    font: inherit;
    font-size: 14px;
    font-weight: 700;
    padding: 0 18px;
    cursor: pointer;
    transition: background 0.2s, transform 0.15s;
}

.newsletter-row button:hover {
    background: var(--blue-bright);
    transform: translateY(-1px);
}

.newsletter-row button:disabled {
    cursor: wait;
    opacity: 0.72;
    transform: none;
}

.newsletter-status {
    min-height: 20px;
    color: #60a5fa;
    font-size: 13px;
    line-height: 1.4;
    overflow-wrap: anywhere;
}

.newsletter-status[data-type="error"] {
    color: #fca5a5;
}

/* ABOUT SECTION */
.about-section {
    padding: 0 80px 110px;
    position: relative;
}

.about-content {
    position: relative;
    padding: 54px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background:
        radial-gradient(circle at 12% 18%, rgba(37, 99, 235, 0.16), transparent 28%),
        linear-gradient(145deg, rgba(17, 24, 39, 0.96), rgba(13, 18, 25, 0.98));
    overflow: hidden;
}

.about-content::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.035), transparent 55%);
    pointer-events: none;
}

.about-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 54px;
    align-items: start;
}

.about-lead {
    margin-top: 20px;
    color: rgba(248, 250, 252, 0.84);
    font-size: 18px;
    line-height: 1.8;
    max-width: 520px;
}

.about-copy {
    display: grid;
    gap: 20px;
    color: var(--muted);
    font-size: 16px;
    line-height: 1.8;
}

.mission-panel {
    position: relative;
    z-index: 1;
    margin-top: 44px;
    padding: 30px 34px;
    border: 1px solid rgba(59, 130, 246, 0.24);
    border-radius: 12px;
    background: rgba(37, 99, 235, 0.1);
}

.mission-kicker {
    margin-bottom: 12px;
    color: var(--blue-bright);
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 800;
}

.mission-panel p {
    color: rgba(248, 250, 252, 0.88);
    font-size: 17px;
    line-height: 1.8;
}

/* ─── KEYFRAMES ─── */
@keyframes fadeDown {
    from {
        opacity: 0;
        transform: translateY(-16px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translate(-50%, -50%) translateY(0);
    }

    50% {
        transform: translate(-50%, -50%) translateY(-14px);
    }
}

@keyframes float-abs {

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

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

@keyframes breathe {

    0%,
    100% {
        opacity: 0.6;
        transform: translateX(-50%) scaleX(1);
    }

    50% {
        opacity: 1;
        transform: translateX(-50%) scaleX(1.15);
    }
}

@keyframes spin-ring {
    from {
        transform: translate(-50%, -50%) rotateX(70deg) rotateZ(0deg);
    }

    to {
        transform: translate(-50%, -50%) rotateX(70deg) rotateZ(360deg);
    }
}

@keyframes pulse-dot {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) rotate(45deg);
    }

    100% {
        transform: translateX(100%) rotate(45deg);
    }
}

.crypto-icon {
    animation: float-abs 4s ease-in-out infinite;
}

.icon-btc {
    animation-delay: 0s;
}

.icon-eth {
    animation-delay: 0.7s;
}

.icon-sol {
    animation-delay: 1.3s;
}

.icon-cube1 {
    animation-delay: 0.4s;
}

.icon-cube2 {
    animation-delay: 1.7s;
}

/* scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: #1e3a8a;
    border-radius: 3px;
}

.modal-open {
    overflow: hidden;
}

.login-screen {
    position: fixed;
    inset: 0;
    z-index: 1001;
    display: none;
    place-items: center;
    padding: 24px;
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: blur(18px);
    overflow-y: auto;
}

.login-screen.is-open {
    display: grid;
}

.login-shell {
    width: min(1480px, 100%);
    min-height: min(900px, calc(100vh - 48px));
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(420px, 0.92fr);
    gap: 56px;
    padding: 34px 56px;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    background:
        radial-gradient(circle at 26% 52%, rgba(0, 102, 255, 0.2), transparent 26%),
        radial-gradient(circle at 82% 22%, rgba(37, 99, 235, 0.12), transparent 24%),
        #030405;
    box-shadow: 0 28px 100px rgba(0, 0, 0, 0.65);
    overflow: hidden;
}

.login-shell::before {
    content: '';
    position: absolute;
    inset: 12px;
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 14px;
    pointer-events: none;
}

.login-close {
    position: absolute;
    top: 20px;
    right: 22px;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    color: var(--white);
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
    z-index: 3;
}

.login-brand-panel,
.login-form-panel {
    position: relative;
    z-index: 1;
}

.login-brand-panel {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 760px;
    padding: 10px 0 34px;
}

.login-logo {
    display: inline-flex;
    width: fit-content;
}

.login-logo-img {
    width: 210px;
    height: auto;
    object-fit: contain;
    filter: invert(1);
    mix-blend-mode: screen;
}

.login-welcome {
    max-width: 430px;
    margin-top: 28px;
}

.login-welcome h2,
.login-heading h2 {
    font-family: var(--font-display);
    color: var(--white);
    line-height: 1.16;
    letter-spacing: 0;
}

.login-welcome h2 {
    font-size: clamp(36px, 4vw, 48px);
    font-weight: 800;
}

.login-welcome h2 span {
    color: #1268ff;
}

.login-welcome p {
    color: rgba(248, 250, 252, 0.78);
    font-size: 18px;
    line-height: 1.7;
    margin-top: 14px;
}

.login-coin-scene {
    position: relative;
    height: 340px;
    margin: 12px auto 10px;
    width: min(620px, 100%);
}

.login-orbit {
    position: absolute;
    width: 92%;
    height: 128px;
    left: 50%;
    bottom: 54px;
    border: 2px solid rgba(0, 106, 255, 0.86);
    border-radius: 50%;
    transform: translateX(-50%) rotate(-2deg);
    box-shadow: 0 0 26px rgba(0, 106, 255, 0.65);
}

.login-main-token {
    position: absolute;
    width: 230px;
    height: 230px;
    left: 50%;
    bottom: 42px;
    transform: translateX(-50%);
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: radial-gradient(circle at 34% 28%, #1f2937, #080b12 58%, #030407);
    border: 2px solid rgba(59, 130, 246, 0.65);
    box-shadow:
        16px 0 0 #032f87,
        0 0 42px rgba(0, 106, 255, 0.62),
        inset 0 1px 0 rgba(255, 255, 255, 0.13);
    animation: loginFloat 4s ease-in-out infinite;
}

.login-main-token img {
    width: 142px;
    filter: invert(1);
    mix-blend-mode: screen;
}

.login-platform-glow {
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 430px;
    max-width: 80%;
    height: 76px;
    transform: translateX(-50%);
    border-radius: 50%;
    background: radial-gradient(ellipse, rgba(0, 106, 255, 0.95), rgba(0, 106, 255, 0.22) 52%, transparent 70%);
    filter: blur(2px);
}

.login-token {
    position: absolute;
    display: grid;
    place-items: center;
    border-radius: 50%;
    color: #eaf2ff;
    font-size: 34px;
    font-weight: 800;
    background: radial-gradient(circle at 35% 28%, #435b9f, #10182c 64%);
    border: 2px solid rgba(74, 124, 255, 0.7);
    box-shadow: 0 0 24px rgba(0, 106, 255, 0.42);
    animation: loginTokenFloat 5s ease-in-out infinite;
}

.login-token-btc {
    width: 86px;
    height: 86px;
    left: 64px;
    top: 64px;
}

.login-token-eth {
    width: 92px;
    height: 92px;
    right: 72px;
    top: 82px;
    animation-delay: 0.6s;
}

.login-token-sol {
    width: 72px;
    height: 72px;
    left: 54px;
    bottom: 60px;
    animation-delay: 1.1s;
}

.login-mini-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    width: min(560px, 100%);
    margin: 0 auto;
}

.login-mini-stats div {
    display: grid;
    grid-template-columns: auto 1fr;
    column-gap: 12px;
    align-items: center;
    padding: 0 18px;
    border-right: 1px solid rgba(255, 255, 255, 0.09);
}

.login-mini-stats div:last-child {
    border-right: 0;
}

.login-mini-stats span {
    grid-row: span 2;
    color: #1268ff;
    font-size: 28px;
}

.login-mini-stats strong {
    color: var(--white);
    font-size: 22px;
    line-height: 1.1;
}

.login-mini-stats small {
    color: var(--muted);
    font-size: 12px;
    line-height: 1.3;
}

.login-quote {
    width: min(500px, 100%);
    margin: 34px auto 0;
    padding: 18px 24px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 22px;
    color: rgba(248, 250, 252, 0.82);
    background: rgba(255, 255, 255, 0.02);
    text-align: center;
}

.login-quote span {
    color: #1268ff;
    font-family: var(--font-display);
    font-size: 32px;
    vertical-align: -10px;
}

.login-form-panel {
    display: grid;
    place-items: center;
}

.login-form-card {
    width: min(650px, 100%);
    padding: clamp(36px, 5vw, 70px);
    border-radius: 22px;
    border: 1px solid rgba(255, 255, 255, 0.09);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.login-heading {
    text-align: center;
    margin-bottom: 40px;
}

.login-heading h2 {
    font-size: clamp(30px, 3vw, 40px);
    font-weight: 800;
}

.login-heading p,
.signup-copy {
    color: rgba(248, 250, 252, 0.72);
    font-size: 18px;
    margin-top: 10px;
}

.login-user-preview {
    min-height: 24px;
    color: #93c5fd !important;
    font-size: 15px !important;
    font-weight: 700;
    overflow-wrap: anywhere;
}

.login-form {
    display: grid;
    gap: 24px;
}

.login-form label {
    display: grid;
    gap: 9px;
    color: var(--white);
    font-size: 16px;
    font-weight: 600;
}

.login-form label[hidden],
.login-user-preview[hidden] {
    display: none !important;
}

.login-input-wrap {
    min-height: 58px;
    display: grid;
    grid-template-columns: 40px 1fr auto;
    align-items: center;
    gap: 14px;
    padding: 0 16px;
    border-radius: 9px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(0, 0, 0, 0.18);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.login-input-wrap:focus-within {
    border-color: rgba(37, 99, 235, 0.8);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.16);
}

.field-icon {
    color: rgba(248, 250, 252, 0.7);
    font-size: 22px;
    text-align: center;
}

.login-input-wrap input {
    min-width: 0;
    width: 100%;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--white);
    font: inherit;
    font-weight: 400;
}

.login-input-wrap input::placeholder {
    color: rgba(248, 250, 252, 0.58);
}

.password-toggle {
    width: 34px;
    height: 34px;
    border: 0;
    background: transparent;
    color: rgba(248, 250, 252, 0.72);
    cursor: pointer;
    font-size: 18px;
}

.login-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    color: rgba(248, 250, 252, 0.7);
    font-size: 15px;
}

.remember-row {
    display: flex !important;
    grid-template-columns: none !important;
    align-items: center;
    gap: 10px !important;
    font-weight: 400 !important;
}

.remember-row input {
    width: 20px;
    height: 20px;
    accent-color: var(--blue);
}

.login-options a,
.forgot-password,
.signup-copy a,
.auth-switch {
    color: #1270ff;
    text-decoration: none;
}

.forgot-password,
.auth-switch {
    border: 0;
    padding: 0;
    background: transparent;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.login-submit {
    height: 58px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 28px;
    border: 0;
    border-radius: 8px;
    background: linear-gradient(135deg, #1268ff, #0057f8);
    color: white;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 14px 32px rgba(0, 87, 248, 0.28);
}

.login-submit:disabled {
    cursor: wait;
    opacity: 0.7;
}

.login-status {
    min-height: 20px;
    color: #60a5fa;
    font-size: 14px;
    text-align: center;
    overflow-wrap: anywhere;
}

.login-status[data-type="error"] {
    color: #fca5a5;
}

.resend-verification {
    min-height: 44px;
    justify-self: center;
    border: 1px solid rgba(96, 165, 250, 0.45);
    border-radius: 8px;
    background: rgba(37, 99, 235, 0.12);
    color: #bfdbfe;
    font: inherit;
    font-size: 14px;
    font-weight: 700;
    padding: 0 18px;
    cursor: pointer;
}

.resend-verification:disabled {
    cursor: wait;
    opacity: 0.7;
}

.login-divider {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 24px;
    align-items: center;
    color: rgba(248, 250, 252, 0.72);
    margin: 16px 0 28px;
}

.login-divider::before,
.login-divider::after {
    content: '';
    height: 1px;
    background: rgba(255, 255, 255, 0.16);
}

.social-login {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.social-login button {
    min-height: 58px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    border-radius: 9px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(0, 0, 0, 0.14);
    color: var(--white);
    font: inherit;
    font-weight: 600;
    cursor: pointer;
}

.google-mark {
    display: inline-grid;
    place-items: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    font-weight: 800;
}

.google-mark {
    background: white;
    color: #2563eb;
}

.signup-copy {
    text-align: center;
    margin-top: 32px;
}

@keyframes loginFloat {
    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(-12px);
    }
}

@keyframes loginTokenFloat {
    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-12px);
    }
}

@media (max-width: 1180px) {
    nav {
        padding: 0 24px;
    }

    .nav-links {
        gap: 2px;
    }

    .nav-links a {
        padding: 8px 9px;
    }

    .hero {
        padding: 64px 40px 52px;
    }

    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
        margin: 0 40px 70px;
    }

    .stat-item:nth-child(2) {
        border-right: 0;
    }

    .stat-item:nth-child(-n + 2) {
        border-bottom: 1px solid var(--border);
    }

    .courses-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .section {
        padding: 0 40px 90px;
    }

    .resources-section {
        padding: 0 40px 62px;
    }

    .resources-content {
        grid-template-columns: 1fr;
    }

    .community-section {
        padding: 0 40px 62px;
    }

    .community-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .contact-section {
        padding: 0 40px 54px;
    }

    .contact-content {
        grid-template-columns: 1fr;
        align-items: start;
    }

    .contact-actions {
        min-width: 0;
        width: 100%;
    }

    .about-section {
        padding: 0 40px 90px;
    }

    .about-content {
        padding: 42px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .login-shell {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 30px;
    }

    .login-brand-panel {
        min-height: 0;
        align-items: center;
        text-align: center;
    }

    .login-welcome {
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 820px) {
    nav {
        height: auto;
        min-height: 72px;
        flex-wrap: wrap;
        gap: 12px;
        padding: 14px 18px;
    }

    .logo-img {
        height: 38px;
    }

    .nav-links {
        order: 3;
        width: 100%;
        overflow-x: auto;
        overscroll-behavior-inline: contain;
        padding-bottom: 4px;
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;
    }

    .nav-links::-webkit-scrollbar {
        display: none;
    }

    .nav-links a {
        white-space: nowrap;
    }

    .nav-actions {
        margin-left: auto;
    }

    .nav-user {
        max-width: 150px;
    }

    .btn-ghost,
    .btn-primary {
        padding: 8px 14px;
    }

    .hero {
        grid-template-columns: 1fr;
        min-height: auto;
        padding: 50px 22px 42px;
        text-align: center;
    }

    .hero-left {
        display: grid;
        justify-items: center;
    }

    .hero-title {
        font-size: 42px;
        letter-spacing: 0;
    }

    .hero-desc {
        margin-bottom: 30px;
    }

    .hero-visual {
        height: 360px;
    }

    .stats-bar {
        grid-template-columns: 1fr;
        margin: 0 22px 62px;
    }

    .stat-item {
        border-right: 0;
        border-bottom: 1px solid var(--border);
    }

    .stat-item:last-child {
        border-bottom: 0;
    }

    .section {
        padding: 0 22px 70px;
    }

    .resources-section {
        padding: 0 22px 56px;
    }

    .resources-content {
        padding: 28px 22px;
    }

    .community-section {
        padding: 0 22px 56px;
    }

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

    .contact-section {
        padding: 0 22px 48px;
    }

    .contact-content {
        padding: 28px 22px;
    }

    .contact-link {
        justify-content: flex-start;
        overflow-wrap: anywhere;
    }

    .newsletter-row {
        grid-template-columns: 1fr;
    }

    .about-section {
        padding: 0 22px 78px;
    }

    .about-content {
        padding: 34px 24px;
    }

    .about-lead {
        font-size: 16px;
    }

    .mission-panel {
        padding: 24px 22px;
    }

    .section-header {
        display: grid;
        gap: 18px;
        justify-items: stretch;
    }

    .section-title {
        font-size: 30px;
    }

    .btn-view-all {
        justify-content: center;
        width: fit-content;
        max-width: 100%;
    }

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

    .login-screen {
        padding: 12px;
    }

    .login-shell {
        min-height: calc(100vh - 24px);
        padding: 24px 18px;
    }

    .login-logo-img {
        width: 170px;
    }

    .login-coin-scene {
        height: 280px;
    }

    .login-main-token {
        width: 180px;
        height: 180px;
    }

    .login-main-token img {
        width: 112px;
    }

    .login-token-btc,
    .login-token-eth {
        width: 68px;
        height: 68px;
        font-size: 26px;
    }

    .login-token-sol {
        width: 58px;
        height: 58px;
        font-size: 24px;
    }

    .login-form-card {
        padding: 30px 20px;
    }

    .social-login {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 560px) {
    .nav-actions {
        width: 100%;
    }

    .nav-user {
        order: 3;
        width: 100%;
        max-width: none;
    }

    .profile-menu {
        order: 3;
        width: 100%;
    }

    .profile-dropdown {
        left: 0;
        right: auto;
        width: 100%;
    }

    .nav-actions button {
        flex: 1;
    }

    .hero-cta {
        width: 100%;
    }

    .btn-hero-primary,
    .btn-hero-outline {
        width: 100%;
        justify-content: center;
    }

    .hero-visual {
        height: 330px;
        transform: scale(0.82);
        transform-origin: center top;
        margin-bottom: -62px;
    }

    .courses-grid {
        grid-template-columns: 1fr;
    }

    .community-grid {
        grid-template-columns: 1fr;
    }

    .course-card {
        padding: 24px 20px;
    }

    .login-mini-stats {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .login-mini-stats div {
        border-right: 0;
        justify-content: center;
        text-align: left;
    }

    .login-quote {
        margin-top: 22px;
    }

    .login-options {
        align-items: flex-start;
        flex-direction: column;
    }

    .login-input-wrap {
        grid-template-columns: 30px 1fr auto;
        gap: 10px;
        padding: 0 12px;
    }
}

@media (max-width: 420px) {
    nav {
        padding: 12px 14px;
    }

    .hero {
        padding: 42px 16px 36px;
    }

    .hero-badge {
        font-size: 10px;
        letter-spacing: 1px;
        padding-inline: 12px;
    }

    .hero-title {
        font-size: 38px;
    }

    .hero-desc {
        font-size: 16px;
    }

    .hero-visual {
        height: 286px;
        transform: scale(0.72);
        margin-bottom: -88px;
    }

    .stats-bar,
    .section,
    .resources-section,
    .community-section,
    .contact-section,
    .about-section {
        margin-left: 0;
        margin-right: 0;
    }

    .section,
    .resources-section,
    .community-section,
    .contact-section,
    .about-section {
        padding-left: 16px;
        padding-right: 16px;
    }

    .stats-bar {
        margin: 0 16px 54px;
    }

    .section-title {
        font-size: 27px;
    }

    .resources-content,
    .contact-content,
    .about-content {
        padding: 24px 18px;
    }
}