/* =========================================================
   AIR KUDI — Borderless Finance
   Static marketing site · Green & Black UI
   ========================================================= */

/* ----------------- Design Tokens ----------------- */
:root {
    /* Black & Green palette */
    --bg-0: #000000;
    --bg-1: #040706;
    --bg-2: #080d0a;
    --bg-3: #0c1410;
    --bg-4: #111b15;

    --green-50:  #e6fff4;
    --green-100: #b3ffdc;
    --green-200: #80ffc4;
    --green-300: #4dffac;
    --green-400: #00ff88;   /* primary accent */
    --green-500: #00e67a;
    --green-600: #00cc6a;
    --green-700: #009955;
    --green-800: #006633;
    --green-900: #003322;

    /* Text */
    --text-1: #ffffff;
    --text-2: #d6ddd9;
    --text-3: #9aa6a0;
    --text-4: #6b7872;
    --text-5: #4a5550;

    /* Borders */
    --border-1: rgba(0, 255, 136, 0.08);
    --border-2: rgba(0, 255, 136, 0.15);
    --border-3: rgba(0, 255, 136, 0.30);
    --border-4: rgba(255, 255, 255, 0.06);
    --border-5: rgba(255, 255, 255, 0.10);

    /* Glows */
    --glow-sm: 0 0 24px rgba(0, 255, 136, 0.18);
    --glow-md: 0 0 60px rgba(0, 255, 136, 0.28);
    --glow-lg: 0 0 100px rgba(0, 255, 136, 0.38);

    /* Type */
    --font-display: 'Space Grotesk', 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

    /* Radius */
    --r-sm: 8px;
    --r-md: 14px;
    --r-lg: 22px;
    --r-xl: 32px;

    /* Spacing */
    --space-1: 0.5rem;
    --space-2: 1rem;
    --space-3: 1.5rem;
    --space-4: 2rem;
    --space-5: 3rem;
    --space-6: 4rem;
    --space-7: 6rem;
    --space-8: 8rem;

    /* Easing */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

    /* Layout */
    --container: 1200px;
    --container-narrow: 960px;
    --nav-h: 76px;
}

/* ----------------- Reset & Base ----------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-body);
    background: var(--bg-0);
    color: var(--text-2);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    min-height: 100vh;
}

body.no-scroll { overflow: hidden; }

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

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

::selection { background: var(--green-400); color: var(--bg-0); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-1); }
::-webkit-scrollbar-thumb { background: linear-gradient(180deg, var(--green-700), var(--green-900)); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--green-600); }

h1, h2, h3, h4, h5 {
    font-family: var(--font-display);
    color: var(--text-1);
    margin: 0;
    line-height: 1.1;
    letter-spacing: -0.02em;
    font-weight: 700;
}

p { margin: 0; }

/* ----------------- Layout ----------------- */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.5rem;
    width: 100%;
}

.section {
    padding: clamp(4rem, 8vw, 7rem) 0;
    position: relative;
}

/* ----------------- Animated background ----------------- */
.bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(ellipse at 50% -10%, #0a1a12 0%, #000 55%) no-repeat, var(--bg-0);
}

.bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 255, 136, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 136, 0.05) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 0%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 0%, transparent 80%);
    opacity: 0.7;
    animation: gridShift 40s linear infinite;
}

@keyframes gridShift {
    0% { background-position: 0 0, 0 0; }
    100% { background-position: 56px 56px, 56px 56px; }
}

.bg-noise {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.04;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

.bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.35;
    will-change: transform;
    animation: floatOrb 18s var(--ease-in-out) infinite;
}

.bg-orb-1 {
    width: 520px; height: 520px;
    top: -180px; left: -120px;
    background: radial-gradient(circle, var(--green-500) 0%, transparent 60%);
}

.bg-orb-2 {
    width: 620px; height: 620px;
    top: 30%; right: -200px;
    background: radial-gradient(circle, var(--green-700) 0%, transparent 60%);
    animation-delay: -6s;
    animation-duration: 22s;
}

.bg-orb-3 {
    width: 460px; height: 460px;
    bottom: -160px; left: 30%;
    background: radial-gradient(circle, var(--green-600) 0%, transparent 60%);
    animation-delay: -12s;
    animation-duration: 26s;
}

@keyframes floatOrb {
    0%, 100% { transform: translate(0,0) scale(1); }
    33%      { transform: translate(60px, -40px) scale(1.05); }
    66%      { transform: translate(-40px, 50px) scale(0.95); }
}

/* ----------------- Scroll progress bar ----------------- */
.scroll-progress {
    position: fixed;
    top: 0; left: 0;
    height: 2px;
    width: 0;
    background: linear-gradient(90deg, var(--green-700), var(--green-400), var(--green-300));
    z-index: 100;
    transition: width 80ms linear;
    box-shadow: 0 0 12px var(--green-400);
}

/* ----------------- Preloader ----------------- */
.preloader {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: var(--bg-0);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 600ms var(--ease-out), visibility 600ms;
}

.preloader.is-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.preloader-mark {
    display: flex;
    gap: 8px;
}

.preloader-mark span {
    width: 12px;
    height: 12px;
    background: var(--green-400);
    border-radius: 3px;
    animation: preloaderBounce 1.2s var(--ease-in-out) infinite;
    box-shadow: 0 0 18px var(--green-400);
}

.preloader-mark span:nth-child(2) { animation-delay: 0.15s; }
.preloader-mark span:nth-child(3) { animation-delay: 0.30s; }

@keyframes preloaderBounce {
    0%, 80%, 100% { transform: translateY(0) scale(1); opacity: 0.5; }
    40% { transform: translateY(-14px) scale(1.1); opacity: 1; }
}

/* ----------------- Navigation ----------------- */
.nav-wrapper {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 90;
    transition: backdrop-filter 300ms, background 300ms, border-color 300ms;
    border-bottom: 1px solid transparent;
}

.nav-wrapper.is-scrolled {
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: saturate(180%) blur(16px);
    -webkit-backdrop-filter: saturate(180%) blur(16px);
    border-bottom-color: var(--border-1);
}

.nav-inner {
    height: var(--nav-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--text-1);
    font-weight: 700;
    font-family: var(--font-display);
    letter-spacing: 0.02em;
}

.logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px; height: 36px;
    color: var(--green-400);
    background: linear-gradient(180deg, rgba(0, 255, 136, 0.12), rgba(0, 255, 136, 0.04));
    border: 1px solid var(--border-2);
    border-radius: 10px;
    box-shadow: 0 0 24px rgba(0, 255, 136, 0.15) inset, 0 0 16px rgba(0, 255, 136, 0.15);
    transition: transform 300ms var(--ease-out), box-shadow 300ms;
}

.logo-mark svg { width: 20px; height: 20px; }

.logo-mark-sm { width: 28px; height: 28px; border-radius: 8px; }
.logo-mark-sm svg { width: 16px; height: 16px; }

.nav-logo:hover .logo-mark {
    transform: rotate(-6deg) scale(1.05);
    box-shadow: 0 0 28px rgba(0, 255, 136, 0.4) inset, 0 0 24px rgba(0, 255, 136, 0.4);
}

.logo-text {
    font-size: 1.05rem;
    letter-spacing: 0.12em;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-1);
    border-radius: 100px;
    padding: 0.35rem 0.5rem;
}

.nav-menu a {
    display: inline-block;
    padding: 0.55rem 1rem;
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-3);
    border-radius: 100px;
    transition: color 200ms, background 200ms;
    position: relative;
}

.nav-menu a:hover {
    color: var(--text-1);
    background: rgba(0, 255, 136, 0.06);
}

.nav-actions { display: flex; align-items: center; gap: 0.75rem; }

.nav-toggle {
    display: none;
    width: 42px; height: 42px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    border-radius: 10px;
    border: 1px solid var(--border-1);
    background: rgba(255, 255, 255, 0.02);
    transition: background 200ms, border-color 200ms;
}

.nav-toggle:hover { border-color: var(--border-3); }

.nav-toggle span {
    display: block;
    width: 18px; height: 2px;
    background: var(--text-1);
    border-radius: 2px;
    transition: transform 300ms var(--ease-out), opacity 200ms;
}

.nav-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); background: var(--green-400); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); background: var(--green-400); }

/* ----------------- Buttons ----------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.7rem 1.2rem;
    border-radius: 100px;
    font-weight: 600;
    font-size: 0.9rem;
    font-family: var(--font-body);
    cursor: pointer;
    transition: transform 200ms var(--ease-out), background 200ms, border-color 200ms, box-shadow 200ms, color 200ms;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.18) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 700ms var(--ease-out);
}

.btn:hover::before { transform: translateX(100%); }

.btn-sm  { padding: 0.55rem 0.95rem; font-size: 0.85rem; }
.btn-lg  { padding: 0.95rem 1.6rem; font-size: 1rem; }

.btn-primary {
    background: var(--green-400);
    color: #001a0d;
    border: 1px solid var(--green-400);
    box-shadow: 0 8px 24px -8px rgba(0, 255, 136, 0.5), 0 0 0 1px rgba(0, 255, 136, 0.2) inset;
}

.btn-primary:hover {
    background: var(--green-300);
    border-color: var(--green-300);
    transform: translateY(-1px);
    box-shadow: 0 14px 30px -8px rgba(0, 255, 136, 0.7), 0 0 0 1px rgba(0, 255, 136, 0.3) inset;
}

.btn-primary:active { transform: translateY(0); }

.btn-ghost {
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-1);
    border: 1px solid var(--border-2);
}

.btn-ghost:hover {
    background: rgba(0, 255, 136, 0.06);
    border-color: var(--border-3);
    transform: translateY(-1px);
}

/* ----------------- Hero ----------------- */
.hero {
    padding-top: calc(var(--nav-h) + 4rem);
    padding-bottom: 2rem;
    position: relative;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(2rem, 4vw, 4rem);
    align-items: center;
    min-height: calc(100vh - var(--nav-h));
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.45rem 0.9rem;
    background: rgba(0, 255, 136, 0.06);
    border: 1px solid var(--border-2);
    border-radius: 100px;
    font-size: 0.82rem;
    color: var(--text-2);
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.badge-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--green-400);
    box-shadow: 0 0 12px var(--green-400);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.6; transform: scale(1.3); }
}

.badge-divider {
    width: 3px; height: 3px;
    border-radius: 50%;
    background: var(--text-4);
}

.badge-meta { color: var(--green-300); font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; font-size: 0.7rem; }

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.text-gradient {
    background: linear-gradient(120deg, var(--green-300) 0%, var(--green-400) 50%, var(--green-200) 100%);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    animation: gradientShift 6s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50%      { background-position: 100% 50%; }
}

.hero-subtitle {
    font-size: clamp(1rem, 1.4vw, 1.15rem);
    color: var(--text-3);
    line-height: 1.65;
    max-width: 560px;
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.hero-meta li {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.88rem;
    color: var(--text-3);
}

.hero-meta svg { color: var(--green-400); flex-shrink: 0; }

/* Hero visual / wallet card */
.hero-visual {
    position: relative;
    perspective: 1200px;
    min-height: 460px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-card {
    position: absolute;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
    border: 1px solid var(--border-2);
    border-radius: var(--r-lg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(0, 255, 136, 0.05) inset;
}

.hero-card-main {
    width: 100%;
    max-width: 420px;
    padding: 1.75rem;
    z-index: 2;
    transform: rotate(-2deg);
    animation: floatCard 8s var(--ease-in-out) infinite;
}

@keyframes floatCard {
    0%, 100% { transform: rotate(-2deg) translateY(0); }
    50%      { transform: rotate(-2deg) translateY(-12px); }
}

.hero-card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.hero-card-brand { display: flex; align-items: center; gap: 0.65rem; }

.hero-card-name {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--text-1);
    font-size: 0.95rem;
    letter-spacing: 0.1em;
}

.hero-card-sub { font-size: 0.72rem; color: var(--text-4); }

.hero-card-network {
    padding: 0.25rem 0.65rem;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--border-2);
    border-radius: 100px;
    font-size: 0.72rem;
    color: var(--green-300);
    font-weight: 600;
    letter-spacing: 0.05em;
}

.hero-card-balances {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 0.5rem;
    align-items: center;
    padding: 1.25rem 0;
    border-top: 1px solid var(--border-1);
    border-bottom: 1px solid var(--border-1);
}

.balance-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-4);
    margin-bottom: 0.3rem;
}

.balance-value {
    font-family: var(--font-display);
    font-size: 1.85rem;
    font-weight: 700;
    color: var(--text-1);
    letter-spacing: -0.02em;
    line-height: 1;
    margin-bottom: 0.3rem;
}

.balance-foot { font-size: 0.72rem; color: var(--text-4); }

.balance-balance-arrow {
    color: var(--green-400);
    width: 36px; height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 255, 136, 0.08);
    border: 1px solid var(--border-2);
    border-radius: 50%;
    animation: spinArrow 6s linear infinite;
}

@keyframes spinArrow {
    0%   { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.balance-balance-arrow svg { width: 18px; height: 18px; }

.hero-card-foot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.25rem;
    font-size: 0.8rem;
    color: var(--text-3);
}

.hero-card-stat { display: flex; align-items: center; gap: 0.5rem; }

.dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--green-400);
    box-shadow: 0 0 8px var(--green-400);
}

.dot-pulse { animation: pulse 1.6s ease-in-out infinite; }

.hero-card-rate { color: var(--green-300); font-weight: 600; }

/* Floating chip cards */
.hero-card-float {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.85rem 1rem;
    border-radius: var(--r-md);
    z-index: 3;
    animation: floatCard 7s var(--ease-in-out) infinite;
}

.hero-card-float-1 {
    top: 5%;
    right: -5%;
    animation-delay: -2s;
}

.hero-card-float-2 {
    bottom: 8%;
    left: -8%;
    animation-delay: -4s;
}

.float-icon {
    width: 36px; height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 255, 136, 0.12);
    border: 1px solid var(--border-2);
    border-radius: 10px;
    color: var(--green-400);
    flex-shrink: 0;
}

.float-icon svg { width: 18px; height: 18px; }

.float-icon-2 { color: var(--green-300); }

.float-title { font-size: 0.88rem; font-weight: 600; color: var(--text-1); }
.float-meta  { font-size: 0.72rem; color: var(--text-4); }

/* Trust strip */
.hero-strip {
    margin-top: 3rem;
    padding: 1.5rem 0;
    border-top: 1px solid var(--border-1);
    border-bottom: 1px solid var(--border-1);
    background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.02) 50%, transparent);
}

.hero-strip-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.hero-strip-label {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--text-4);
    font-weight: 500;
}

.hero-strip-logos {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-strip-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-2);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.04em;
    transition: color 200ms, transform 200ms;
}

.hero-strip-logo:hover { color: var(--green-300); transform: translateY(-1px); }

.hero-strip-logo svg { width: 18px; height: 18px; color: var(--green-400); }

.hero-strip-divider {
    width: 1px;
    height: 16px;
    background: var(--border-2);
}

/* ----------------- Section header ----------------- */
.section-header {
    max-width: 720px;
    margin: 0 auto 3.5rem;
    text-align: center;
}

.section-eyebrow {
    display: inline-block;
    padding: 0.35rem 0.8rem;
    background: rgba(0, 255, 136, 0.06);
    border: 1px solid var(--border-2);
    border-radius: 100px;
    font-size: 0.75rem;
    color: var(--green-300);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-weight: 600;
    margin-bottom: 1.25rem;
}

.section-title {
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    margin-bottom: 1rem;
    letter-spacing: -0.03em;
}

.section-description {
    font-size: 1.05rem;
    color: var(--text-3);
    line-height: 1.65;
    max-width: 640px;
    margin: 0 auto;
}

/* ----------------- About ----------------- */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
}

.about-card {
    padding: 2rem 1.75rem;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0.005));
    border: 1px solid var(--border-1);
    border-radius: var(--r-md);
    transition: transform 300ms var(--ease-out), border-color 300ms, background 300ms, box-shadow 300ms;
}

.about-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-3);
    background: linear-gradient(180deg, rgba(0, 255, 136, 0.05), rgba(0, 255, 136, 0.01));
    box-shadow: var(--glow-sm);
}

.card-icon {
    width: 48px; height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--border-2);
    border-radius: 12px;
    color: var(--green-400);
    margin-bottom: 1.25rem;
    transition: transform 300ms var(--ease-out), background 300ms;
}

.about-card:hover .card-icon {
    transform: rotate(-6deg) scale(1.08);
    background: rgba(0, 255, 136, 0.18);
}

.card-icon svg { width: 22px; height: 22px; }

.about-card h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
.about-card p  { color: var(--text-3); font-size: 0.95rem; }

/* ----------------- Features ----------------- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    position: relative;
    padding: 2rem;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0.005));
    border: 1px solid var(--border-1);
    border-radius: var(--r-lg);
    overflow: hidden;
    transition: transform 400ms var(--ease-out), border-color 300ms, box-shadow 300ms, background 300ms;
    transform-style: preserve-3d;
    will-change: transform;
}

.feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 0%), rgba(0, 255, 136, 0.08), transparent 40%);
    opacity: 0;
    transition: opacity 300ms;
    pointer-events: none;
}

.feature-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--r-lg);
    padding: 1px;
    background: linear-gradient(135deg, transparent 0%, transparent 40%, var(--border-3) 50%, transparent 60%, transparent 100%);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 400ms;
    pointer-events: none;
}

.feature-card:hover {
    border-color: var(--border-2);
    box-shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(0, 255, 136, 0.1) inset;
}

.feature-card:hover::before { opacity: 1; }
.feature-card:hover::after  { opacity: 1; }

.feature-icon {
    width: 52px; height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--border-2);
    border-radius: 14px;
    color: var(--green-400);
    margin-bottom: 1.5rem;
    transition: transform 300ms var(--ease-out), background 300ms;
    position: relative;
    z-index: 1;
}

.feature-card:hover .feature-icon {
    transform: rotate(-8deg) scale(1.08);
    background: rgba(0, 255, 136, 0.2);
}

.feature-icon svg { width: 24px; height: 24px; }

.feature-meta {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--green-300);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    margin-bottom: 0.75rem;
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.feature-card h3 {
    font-size: 1.35rem;
    margin-bottom: 0.85rem;
    position: relative;
    z-index: 1;
}

.feature-card p {
    color: var(--text-3);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.feature-list {
    margin: 1rem 0 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    position: relative;
    z-index: 1;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    font-size: 0.92rem;
    color: var(--text-2);
}

.check {
    flex-shrink: 0;
    width: 18px; height: 18px;
    margin-top: 2px;
    background: rgba(0, 255, 136, 0.12);
    border: 1px solid var(--border-2);
    border-radius: 50%;
    position: relative;
}

.check::after {
    content: '';
    position: absolute;
    top: 4px; left: 5px;
    width: 4px; height: 8px;
    border: solid var(--green-400);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.feature-foot {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-1);
    color: var(--text-3);
    font-size: 0.88rem;
    font-style: italic;
    position: relative;
    z-index: 1;
}

.feature-links {
    margin-top: 1.25rem;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    position: relative;
    z-index: 1;
}

.feature-link {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.85rem 1rem;
    border: 1px solid var(--border-1);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
    text-decoration: none;
    color: var(--text-1);
    transition: border-color 0.25s ease, background 0.25s ease, transform 0.25s ease;
}

.feature-link:hover {
    border-color: var(--green-400);
    background: rgba(0, 255, 136, 0.06);
    transform: translateY(-2px);
}

.feature-link-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-3);
}

.feature-link-title {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-1);
}

.feature-link-title svg {
    width: 14px;
    height: 14px;
    color: var(--green-400);
}

@media (max-width: 540px) {
    .feature-links {
        grid-template-columns: 1fr;
    }
}

.feature-card-accent {
    background: linear-gradient(180deg, rgba(0, 255, 136, 0.06), rgba(0, 255, 136, 0.01));
    border-color: var(--border-2);
}

.feature-card-accent .feature-icon {
    background: rgba(0, 255, 136, 0.2);
}

/* ----------------- Token ----------------- */
.token-card {
    position: relative;
    padding: clamp(2rem, 4vw, 3.5rem);
    background:
        radial-gradient(circle at 0% 0%, rgba(0, 255, 136, 0.12), transparent 50%),
        radial-gradient(circle at 100% 100%, rgba(0, 255, 136, 0.08), transparent 50%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
    border: 1px solid var(--border-2);
    border-radius: var(--r-xl);
    overflow: hidden;
    box-shadow: var(--glow-md);
}

.token-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 255, 136, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 136, 0.04) 1px, transparent 1px);
    background-size: 32px 32px;
    mask-image: radial-gradient(ellipse at center, #000 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, #000 0%, transparent 70%);
    pointer-events: none;
}

.token-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: center;
    position: relative;
    z-index: 1;
}

.token-text .section-title { text-align: left; margin-bottom: 1.25rem; }
.token-text .section-description { margin: 0 0 2rem; text-align: left; }

.token-uses {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.token-use {
    padding: 1.25rem;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-1);
    border-radius: var(--r-md);
    transition: transform 300ms var(--ease-out), border-color 300ms;
}

.token-use:hover {
    transform: translateY(-3px);
    border-color: var(--border-3);
}

.token-use-num {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--green-400);
    letter-spacing: 0.15em;
    margin-bottom: 0.4rem;
    font-weight: 700;
}

.token-use h4 {
    font-size: 1rem;
    color: var(--text-1);
    margin-bottom: 0.4rem;
    font-family: var(--font-display);
}

.token-use p { color: var(--text-3); font-size: 0.88rem; line-height: 1.55; }

/* Coin visual */
.token-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.coin {
    position: relative;
    width: 260px; height: 260px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: floatCoin 6s var(--ease-in-out) infinite;
    z-index: 1;
}

@keyframes floatCoin {
    0%, 100% { transform: translateY(0) rotateY(0); }
    50%      { transform: translateY(-12px) rotateY(8deg); }
}

.coin-ring,
.coin-ring-2 {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1px solid var(--border-2);
}

.coin-ring-2 {
    inset: -20px;
    border-style: dashed;
    border-color: var(--border-1);
    animation: spinCoin 30s linear infinite;
}

@keyframes spinCoin {
    0%   { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.coin-face {
    width: 200px; height: 200px;
    border-radius: 50%;
    background:
        radial-gradient(circle at 30% 30%, var(--green-300), var(--green-500) 50%, var(--green-700) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #001a0d;
    box-shadow:
        0 30px 60px -20px rgba(0, 0, 0, 0.7),
        inset 0 0 40px rgba(0, 0, 0, 0.2),
        0 0 60px rgba(0, 255, 136, 0.5);
    position: relative;
    overflow: hidden;
}

.coin-face::before {
    content: '';
    position: absolute;
    inset: 6px;
    border-radius: 50%;
    border: 2px solid rgba(0, 0, 0, 0.15);
    pointer-events: none;
}

.coin-symbol {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.2rem;
}

.coin-name {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    margin-bottom: 0.3rem;
}

.coin-tag {
    font-size: 0.65rem;
    letter-spacing: 0.25em;
    opacity: 0.7;
    text-transform: uppercase;
}

.coin-glow {
    position: absolute;
    width: 280px; height: 280px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.4), transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
    z-index: 0;
    animation: pulse 3s ease-in-out infinite;
}

/* ----------------- Stats ----------------- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
}

.stat-card {
    padding: 2rem 1.5rem;
    text-align: center;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
    border: 1px solid var(--border-1);
    border-radius: var(--r-md);
    transition: transform 300ms var(--ease-out), border-color 300ms, background 300ms;
}

.stat-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-3);
    background: linear-gradient(180deg, rgba(0, 255, 136, 0.04), transparent);
}

.stat-value-row {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: 0.75rem;
}

.stat-value {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--green-400);
    line-height: 1;
    letter-spacing: -0.03em;
    background: linear-gradient(180deg, var(--green-300), var(--green-500));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-1);
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.stat-desc {
    font-size: 0.82rem;
    color: var(--text-4);
}

/* ----------------- Terms ----------------- */
.terms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

.term-card {
    padding: 1.75rem;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
    border: 1px solid var(--border-1);
    border-radius: var(--r-md);
    transition: transform 300ms var(--ease-out), border-color 300ms, background 300ms;
    position: relative;
    overflow: hidden;
}

.term-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 3px; height: 0;
    background: linear-gradient(180deg, var(--green-300), var(--green-500));
    transition: height 400ms var(--ease-out);
}

.term-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-3);
    background: linear-gradient(180deg, rgba(0, 255, 136, 0.03), transparent);
}

.term-card:hover::before { height: 100%; }

.term-num {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--green-400);
    letter-spacing: 0.15em;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.term-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--text-1);
}

.term-card p {
    color: var(--text-3);
    font-size: 0.92rem;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.term-card ul {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.term-card li {
    position: relative;
    padding-left: 1.2rem;
    color: var(--text-2);
    font-size: 0.9rem;
    line-height: 1.5;
}

.term-card li::before {
    content: '';
    position: absolute;
    left: 0; top: 0.55rem;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--green-400);
    box-shadow: 0 0 8px var(--green-400);
}

.term-card-privacy {
    background: linear-gradient(180deg, rgba(0, 255, 136, 0.05), transparent);
    border-color: var(--border-2);
}

/* ----------------- CTA ----------------- */
.cta-card {
    position: relative;
    padding: clamp(2.5rem, 6vw, 5rem) clamp(1.5rem, 4vw, 3rem);
    text-align: center;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(0, 255, 136, 0.18), transparent 60%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
    border: 1px solid var(--border-2);
    border-radius: var(--r-xl);
    overflow: hidden;
    box-shadow: var(--glow-lg);
}

.cta-glow {
    position: absolute;
    top: -50%; left: 50%;
    transform: translateX(-50%);
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.3), transparent 60%);
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
    animation: pulse 4s ease-in-out infinite;
}

.cta-card > * { position: relative; z-index: 1; }

.cta-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin: 1rem 0;
    letter-spacing: -0.03em;
}

.cta-desc {
    max-width: 600px;
    margin: 0 auto 2.5rem;
    color: var(--text-3);
    font-size: 1.05rem;
    line-height: 1.65;
}

.cta-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
}

.cta-meta {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.cta-meta li {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.88rem;
    color: var(--text-3);
}

.cta-meta svg { color: var(--green-400); }

/* ----------------- Footer ----------------- */
.footer {
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-1);
    background: linear-gradient(180deg, transparent, rgba(0, 255, 136, 0.02));
    margin-top: 2rem;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.2fr 2fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--border-1);
}

.footer-brand p {
    color: var(--text-3);
    font-size: 0.95rem;
    margin: 1.25rem 0 1.5rem;
    max-width: 320px;
}

.footer-social {
    display: flex;
    gap: 0.6rem;
}

.footer-social a {
    width: 38px; height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-1);
    border-radius: 10px;
    color: var(--text-3);
    transition: all 250ms var(--ease-out);
}

.footer-social a svg { width: 16px; height: 16px; }

.footer-social a:hover {
    background: rgba(0, 255, 136, 0.1);
    border-color: var(--border-3);
    color: var(--green-300);
    transform: translateY(-2px);
}

.footer-cols {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.footer-col h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--green-300);
    margin-bottom: 1.25rem;
    font-weight: 700;
}

.footer-col ul { display: flex; flex-direction: column; gap: 0.65rem; }

.footer-col a {
    color: var(--text-3);
    font-size: 0.92rem;
    transition: color 200ms;
}

.footer-col a:hover { color: var(--green-300); }

.footer-bottom {
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    color: var(--text-4);
    font-size: 0.85rem;
}

/* ----------------- Reveal Animations ----------------- */
[data-animate] {
    opacity: 0;
    transition: opacity 800ms var(--ease-out), transform 800ms var(--ease-out);
    will-change: transform, opacity;
}

[data-animate="fade-up"] {
    transform: translateY(40px);
}

[data-animate="fade-left"] {
    transform: translateX(40px);
}

[data-animate="scale-up"] {
    transform: scale(0.94);
}

[data-animate].is-visible {
    opacity: 1;
    transform: translate(0, 0) scale(1);
}

/* ----------------- Responsive ----------------- */
@media (max-width: 980px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        min-height: auto;
    }

    .hero-visual {
        min-height: 400px;
        max-width: 460px;
        margin: 0 auto;
        width: 100%;
    }

    .token-content { grid-template-columns: 1fr; }
    .token-visual { order: -1; }
    .coin { width: 220px; height: 220px; }
    .coin-face { width: 170px; height: 170px; }
    .coin-symbol { font-size: 3.2rem; }
    .coin-ring-2 { inset: -15px; }

    .footer-top { grid-template-columns: 1fr; gap: 2.5rem; }
    .footer-cols { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
}

@media (max-width: 768px) {
    :root { --nav-h: 64px; }

    .nav-menu {
        position: fixed;
        top: var(--nav-h);
        left: 1rem; right: 1rem;
        flex-direction: column;
        align-items: stretch;
        gap: 0.25rem;
        padding: 1rem;
        background: rgba(8, 13, 10, 0.96);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border: 1px solid var(--border-2);
        border-radius: var(--r-md);
        box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.6);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: opacity 250ms, visibility 250ms, transform 250ms;
    }

    .nav-menu.is-open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .nav-menu a {
        padding: 0.85rem 1rem;
        font-size: 0.95rem;
    }

    .nav-toggle { display: flex; }

    .nav-actions .btn { display: none; }

    .hero { padding-top: calc(var(--nav-h) + 2.5rem); }
    .hero-title { font-size: clamp(2.2rem, 9vw, 3rem); }
    .hero-card-float-1 { right: 0; }
    .hero-card-float-2 { left: 0; }
    .hero-card-main { max-width: 360px; }

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

    .token-uses { grid-template-columns: 1fr; }

    .footer-bottom { justify-content: center; text-align: center; }
}

@media (max-width: 480px) {
    .container { padding: 0 1rem; }
    .section { padding: 4rem 0; }
    .feature-card, .term-card, .about-card, .stat-card { padding: 1.5rem; }
    .token-card { padding: 1.75rem; }
    .hero-actions, .cta-actions { flex-direction: column; align-items: stretch; }
    .hero-actions .btn, .cta-actions .btn { width: 100%; }
    .hero-meta { gap: 0.75rem; }
    .hero-meta li { font-size: 0.8rem; }
    .footer-cols { grid-template-columns: 1fr 1fr; }
    .balance-value { font-size: 1.5rem; }
    .section-header { margin-bottom: 2.5rem; }
}

/* ----------------- Reduced motion ----------------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }

    [data-animate] { opacity: 1; transform: none; }

    html { scroll-behavior: auto; }
}