@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600;700&display=swap');


:root {
    --ink: #eef8f9;
    --ink-soft: #a9c2c6;
    --ink-mute: #62787d;
    --aqua: #00c6d9;
    --aqua-deep: #00b3c4;
    --aqua-dark: #012e33;
    --paper: #0a1114;
    --paper-2: #101a1e;
    --line: rgba(255, 255, 255, 0.10);
    --line-soft: rgba(255, 255, 255, 0.05);
    --ease: cubic-bezier(.22, .9, .3, 1);

    --header-bg: rgba(10, 17, 20, 0.78);
    --header-bg-top: rgba(10, 17, 20, 0.32);
    --hero-scrim-top: rgba(10, 17, 20, 0.28);
    --hero-scrim-mid: rgba(10, 17, 20, 0.55);
    --hero-scrim-bottom: var(--paper);

    --btn-primary-bg: var(--aqua);
    --btn-primary-fg: #04191c;
    --btn-primary-hover-bg: #33e0f0;
}

html[data-theme="light"] {
    --ink: #071a1e;
    --ink-soft: #3d5960;
    --ink-mute: #83999e;
    --aqua: #00b3c4;
    --aqua-deep: #017986;
    --aqua-dark: #012e33;
    --paper: #fbfefe;
    --paper-2: #f2fafa;
    --line: rgba(1, 46, 51, 0.15);
    --line-soft: rgba(1, 46, 51, 0.08);

    --header-bg: rgba(251, 254, 254, 0.82);
    --header-bg-top: rgba(251, 254, 254, 0.40);
    --hero-scrim-top: rgba(251, 254, 254, 0.90);
    --hero-scrim-mid: rgba(251, 254, 254, 0.94);
    --hero-scrim-bottom: var(--paper);

    --btn-primary-bg: var(--ink);
    --btn-primary-fg: #fff;
    --btn-primary-hover-bg: var(--aqua-deep);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color .45s var(--ease), color .45s var(--ease),
        border-color .45s var(--ease), box-shadow .45s var(--ease),
        fill .45s var(--ease), stroke .45s var(--ease);
}

html {
    scroll-behavior: smooth;
    color-scheme: dark;
}

html[data-theme="light"] {
    color-scheme: light;
}

body {
    font-family: 'Vazirmatn', Tahoma, sans-serif;
    color: var(--ink);
    background: var(--paper);
    line-height: 1.9;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul {
    list-style: none;
}

.mono {
    font-family: 'JetBrains Mono', monospace;
}

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

.wrap {
    max-width: 1220px;
    margin: 0 auto;
    padding: 0 32px;
}

@media (max-width:640px) {
    .wrap {
        padding: 0 20px;
    }
}

.backdrop {
    position: fixed;
    inset: 0;
    z-index: -2;
    -webkit-mask-image: linear-gradient(180deg, black, black 30%, transparent 92%);
    mask-image: linear-gradient(180deg, black, black 30%, transparent 92%);
}

.backdrop canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
}

.backdrop::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 640px;
    background: radial-gradient(760px 420px at 82% -10%, rgba(0, 179, 196, 0.10), transparent 65%);
    pointer-events: none;
}

.spine {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 26px;
    width: 2px;
    z-index: 70;
    background: var(--line);
}

.spine-fill {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0%;
    background: linear-gradient(180deg, var(--aqua), var(--aqua-deep));
}

.spine-thumb {
    position: absolute;
    right: -5px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--paper);
    border: 2px solid var(--aqua);
    top: 0;
    transform: translateY(-6px);
    box-shadow: 0 0 0 4px rgba(0, 179, 196, 0.12);
    transition: top .08s linear;
}

@media (max-width:900px) {
    .spine {
        display: none;
    }
}

.framed {
    position: relative;
}

.frame-corners i {
    position: absolute;
    width: 16px;
    height: 16px;
    pointer-events: none;
}

.frame-corners i:nth-child(1) {
    top: -1px;
    right: -1px;
    border-top: 2px solid var(--aqua);
    border-right: 2px solid var(--aqua);
}

.frame-corners i:nth-child(2) {
    top: -1px;
    left: -1px;
    border-top: 2px solid var(--aqua);
    border-left: 2px solid var(--aqua);
}

.frame-corners i:nth-child(3) {
    bottom: -1px;
    right: -1px;
    border-bottom: 2px solid var(--aqua);
    border-right: 2px solid var(--aqua);
}

.frame-corners i:nth-child(4) {
    bottom: -1px;
    left: -1px;
    border-bottom: 2px solid var(--aqua);
    border-left: 2px solid var(--aqua);
}

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--header-bg-top);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    box-shadow: 0 0 0 rgba(0, 0, 0, 0);
    transition: background-color .4s var(--ease), backdrop-filter .4s var(--ease),
        border-color .4s var(--ease), box-shadow .4s var(--ease);
}

header.scrolled {
    background: var(--header-bg);
    backdrop-filter: blur(16px);
    border-bottom-color: var(--line);
    box-shadow: 0 12px 32px -24px rgba(0, 0, 0, 0.5);
}

header .bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 0;
    transition: padding .35s var(--ease);
}

header.scrolled .bar {
    padding: 14px 0;
}

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

.brand .mark {
    width: 38px;
    height: 38px;
    border: 1.5px solid var(--ink);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    color: var(--ink);
    flex-shrink: 0;
    position: relative;
}

.brand .mark::before,
.brand .mark::after {
    content: '';
    position: absolute;
    background: var(--aqua);
}

.brand .mark::before {
    width: 9px;
    height: 1.5px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.brand .mark::after {
    width: 1.5px;
    height: 9px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.brand .name {
    font-weight: 800;
    font-size: 18.5px;
    letter-spacing: -0.01em;
}

.brand .name span {
    color: var(--aqua-deep);
}

nav.main-nav {
    display: flex;
    align-items: center;
    gap: 6px;
}

nav.main-nav a {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--ink-soft);
    padding: 9px 14px;
    transition: .25s;
}

nav.main-nav a i {
    font-style: normal;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10.5px;
    color: var(--ink-mute);
}

nav.main-nav a:hover {
    color: var(--aqua-deep);
}

nav.main-nav a:hover i {
    color: var(--aqua);
}

nav.main-nav a {
    position: relative;
}

nav.main-nav a::after {
    content: '';
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 4px;
    height: 1.5px;
    background: var(--aqua);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform .3s var(--ease);
}

nav.main-nav a.active {
    color: var(--aqua-deep);
}

nav.main-nav a.active i {
    color: var(--aqua);
}

nav.main-nav a.active::after {
    transform: scaleX(1);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 22px;
    font-size: 13.5px;
    font-weight: 600;
    transition: background-color .3s var(--ease), color .3s var(--ease),
        border-color .3s var(--ease), transform .3s var(--ease),
        box-shadow .3s var(--ease);
}

.btn-primary {
    background: var(--btn-primary-bg);
    color: var(--btn-primary-fg);
}

.btn-primary:hover {
    background: var(--btn-primary-hover-bg);
    transform: translateY(-2px);
    box-shadow: 0 14px 28px -14px rgba(0, 198, 217, 0.45);
}

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

.btn-outline {
    border: 1.5px solid var(--ink);
    color: var(--ink);
}

.btn-outline:hover {
    border-color: var(--aqua);
    color: var(--aqua-deep);
    transform: translateY(-2px);
}

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

@media (prefers-reduced-motion: reduce) {

    .btn-primary:hover,
    .btn-outline:hover {
        transform: none;
    }
}

.theme-toggle {
    position: relative;
    width: 38px;
    height: 38px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1.5px solid var(--line);
    color: var(--ink);
    background: transparent;
    transition: border-color .3s var(--ease), color .3s var(--ease),
        background-color .3s var(--ease), transform .15s var(--ease);
}

.theme-toggle:hover {
    border-color: var(--aqua);
    color: var(--aqua-deep);
    background: var(--paper-2);
}

.theme-toggle:active {
    transform: scale(.88);
}

.theme-toggle-icons {
    position: relative;
    width: 18px;
    height: 18px;
}

.theme-toggle-icons svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 18px;
    height: 18px;
    transition: opacity .5s var(--ease), transform .55s var(--ease);
}

.icon-sun {
    opacity: 0;
    transform: rotate(90deg) scale(.4);
}

.icon-moon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

html[data-theme="light"] .icon-sun {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

html[data-theme="light"] .icon-moon {
    opacity: 0;
    transform: rotate(-90deg) scale(.4);
}

.nav-toggle {
    display: none;
    width: 36px;
    height: 36px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    border: 1.5px solid var(--ink);
}

.nav-toggle span {
    width: 16px;
    height: 1.5px;
    background: var(--ink);
}

@media (max-width:960px) {
    nav.main-nav {
        position: absolute;
        top: 100%;
        left: 20px;
        right: 20px;
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
        background: var(--paper);
        border: 1px solid var(--line);
        padding: 10px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        transition: .3s var(--ease);
    }

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

    .header-actions .btn-outline {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }
}

.hero {
    padding: 190px 0 110px;
    position: relative;
    overflow: hidden;
}

.hero-shader {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-shader canvas {
    position: absolute;
    inset: 0;
    width: 100% !important;
    height: 100% !important;
    display: block;
}

.hero-shader::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
            var(--hero-scrim-top) 0%,
            var(--hero-scrim-mid) 55%,
            var(--hero-scrim-bottom) 96%);
}

@media (prefers-reduced-motion: reduce) {
    .hero-shader {
        display: none;
    }
}

.hero .wrap {
    position: relative;
    z-index: 1;
}

.hero .wrap {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 50px;
    align-items: center;
}

.kicker {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--aqua-deep);
    letter-spacing: .03em;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 22px;
}

.kicker::before {
    content: '';
    width: 26px;
    height: 1.5px;
    background: var(--aqua);
}

.hero-text .kicker::after {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--aqua);
    flex-shrink: 0;
    animation: kickerPulse 2.4s var(--ease) infinite;
}

@keyframes kickerPulse {

    0%,
    100% {
        opacity: .4;
        box-shadow: 0 0 0 0 rgba(0, 198, 217, .35);
    }

    50% {
        opacity: 1;
        box-shadow: 0 0 0 4px rgba(0, 198, 217, 0);
    }
}

.hero h1 {
    font-size: clamp(38px, 5.4vw, 64px);
    font-weight: 900;
    line-height: 1.18;
    letter-spacing: -0.02em;
    margin-bottom: 26px;
}

.hero h1 em {
    font-style: normal;
    color: var(--aqua-deep);
    text-decoration: underline;
    text-decoration-color: rgba(0, 179, 196, 0.35);
    text-underline-offset: 8px;
    text-decoration-thickness: 3px;
}

.hero p.lead {
    font-size: 16.5px;
    color: var(--ink-soft);
    max-width: 540px;
    margin-bottom: 36px;
}

.hero p.lead b {
    color: var(--ink);
    font-weight: 700;
}

.hero-ctas {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-meta {
    display: flex;
    gap: 0;
    border-top: 1px solid var(--line);
    max-width: 520px;
}

.hero-meta .m {
    flex: 1;
    padding: 16px 18px 0;
    border-right: 1px solid var(--line);
    transition: .3s var(--ease);
}

.hero-meta .m:last-child {
    border-right: none;
}

.hero-meta .m:hover {
    border-top-color: var(--aqua);
}

.hero-meta .num {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    font-size: 21px;
    transition: color .3s var(--ease);
}

.hero-meta .m:hover .num {
    color: var(--aqua-deep);
}

.hero-meta .lbl {
    font-size: 11.5px;
    color: var(--ink-mute);
    margin-top: 4px;
}

@keyframes heroFadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.hero-text .kicker {
    animation: heroFadeUp .8s var(--ease) both;
    animation-delay: .05s;
}

.hero-text h1 {
    animation: heroFadeUp .9s var(--ease) both;
    animation-delay: .16s;
}

.hero-text p.lead {
    animation: heroFadeUp .9s var(--ease) both;
    animation-delay: .30s;
}

.hero-text .hero-ctas {
    animation: heroFadeUp .9s var(--ease) both;
    animation-delay: .44s;
}

.hero-text .hero-meta {
    animation: heroFadeUp .9s var(--ease) both;
    animation-delay: .56s;
}

.hero-visual {
    animation: heroFadeUp 1s var(--ease) both;
    animation-delay: .34s;
}

@media (prefers-reduced-motion: reduce) {

    .hero-text .kicker,
    .hero-text h1,
    .hero-text p.lead,
    .hero-text .hero-ctas,
    .hero-text .hero-meta,
    .hero-visual {
        animation: none;
        opacity: 1;
        transform: none;
    }

    .hero-text .kicker::after {
        animation: none;
    }
}

.hero-visual {
    position: relative;
}

.orbit-vis {
    position: relative;
    border: 1px solid var(--line);
    background: var(--paper-2);
    padding: 32px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.orbit-vis .tag {
    position: absolute;
    top: -11px;
    right: 16px;
    background: var(--paper);
    padding: 0 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--ink-mute);
}

.orbit-stage {
    position: relative;
    max-width: 100%;
    width: 380px;
    height: 380px;
    --r-in: 80px;
    --r-out: 140px;
    --core: 72px;
}

.orbit-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    animation: orbitPulse 4s ease-in-out infinite;
}

.orbit-glow--in {
    width: calc(var(--r-in) * 2 + 40px);
    height: calc(var(--r-in) * 2 + 40px);
    background: radial-gradient(circle, transparent 55%, rgba(0, 198, 217, 0.14) 78%, rgba(0, 198, 217, 0.05) 100%);
}

.orbit-glow--out {
    width: calc(var(--r-out) * 2 + 40px);
    height: calc(var(--r-out) * 2 + 40px);
    background: radial-gradient(circle, transparent 60%, rgba(147, 51, 234, 0.13) 80%, rgba(147, 51, 234, 0.05) 100%);
    animation-delay: 1.4s;
}

@keyframes orbitPulse {

    0%,
    100% {
        opacity: .55;
    }

    50% {
        opacity: 1;
    }
}

.orbit-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.orbit-ring--in {
    width: calc(var(--r-in) * 2);
    height: calc(var(--r-in) * 2);
    border: 1px solid rgba(0, 198, 217, 0.25);
}

.orbit-ring--out {
    width: calc(var(--r-out) * 2);
    height: calc(var(--r-out) * 2);
    border: 1px solid rgba(147, 51, 234, 0.22);
}

.orbit-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: var(--core);
    height: var(--core);
    border-radius: 50%;
    background: linear-gradient(135deg, var(--paper-2), var(--paper));
    border: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5;
    box-shadow: 0 0 24px rgba(0, 198, 217, 0.20), 0 0 44px rgba(147, 51, 234, 0.14);
}

.orbit-core svg {
    width: 44%;
    height: 44%;
}

.orbit-orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
}

.orbit-orbit--in {
    animation: orbitCW var(--dur) linear infinite;
    animation-delay: var(--delay);
}

.orbit-orbit--out {
    animation: orbitCCW var(--dur) linear infinite;
    animation-delay: var(--delay);
}

@keyframes orbitCW {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes orbitCCW {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(-360deg);
    }
}

.orbit-pos--in {
    position: absolute;
    top: 0;
    left: 0;
    transform: translateX(var(--r-in));
}

.orbit-pos--out {
    position: absolute;
    top: 0;
    left: 0;
    transform: translateX(var(--r-out));
}

.orbit-icon {
    position: absolute;
    top: 0;
    left: 0;
    width: var(--size, 44px);
    height: var(--size, 44px);
}

.orbit-icon--in {
    animation: orbitIconCCW var(--dur) linear infinite;
    animation-delay: var(--delay);
}

.orbit-icon--out {
    animation: orbitIconCW var(--dur) linear infinite;
    animation-delay: var(--delay);
}

@keyframes orbitIconCCW {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    to {
        transform: translate(-50%, -50%) rotate(-360deg);
    }
}

@keyframes orbitIconCW {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.icn-sm {
    --size: 38px;
}

.icn-md {
    --size: 44px;
}

.icn-lg {
    --size: 50px;
}

.orbit-icon-inner {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    overflow: hidden;
    background: var(--paper-2);
    border: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18%;
    box-shadow: 0 8px 18px -10px rgba(0, 0, 0, 0.55);
    transition: transform .3s var(--ease), box-shadow .3s var(--ease);
    cursor: pointer;
}

.orbit-icon-inner svg {
    width: 100%;
    height: 100%;
    display: block;
}

.orbit-icon-inner:hover {
    transform: scale(1.22);
    z-index: 20;
    box-shadow: 0 0 22px var(--glow, rgba(0, 198, 217, 0.45)), 0 0 46px var(--glow, rgba(0, 198, 217, 0.22));
}

.orbit-label {
    position: absolute;
    bottom: -26px;
    left: 50%;
    transform: translateX(-50%) translateY(2px);
    white-space: nowrap;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    padding: 3px 8px;
    background: var(--paper);
    border: 1px solid var(--line);
    color: var(--ink);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s var(--ease), transform .25s var(--ease);
}

.orbit-icon-inner:hover .orbit-label {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.orbit-stage:hover .orbit-orbit,
.orbit-stage:hover .orbit-icon {
    animation-play-state: paused;
}

@media (prefers-reduced-motion: reduce) {

    .orbit-orbit--in,
    .orbit-orbit--out,
    .orbit-icon--in,
    .orbit-icon--out,
    .orbit-glow {
        animation: none;
    }
}

@media (max-width:980px) {
    .orbit-stage {
        width: 320px;
        height: 320px;
        --r-in: 68px;
        --r-out: 118px;
        --core: 64px;
    }

    .icn-sm {
        --size: 30px;
    }

    .icn-md {
        --size: 34px;
    }

    .icn-lg {
        --size: 38px;
    }
}

@media (max-width:560px) {
    .orbit-vis {
        padding: 22px 12px;
    }

    .orbit-stage {
        width: 240px;
        height: 240px;
        --r-in: 50px;
        --r-out: 88px;
        --core: 52px;
    }

    .icn-sm {
        --size: 24px;
    }

    .icn-md {
        --size: 27px;
    }

    .icn-lg {
        --size: 30px;
    }
}

@media (max-width:980px) {
    .hero .wrap {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        max-width: 460px;
        margin: 0 auto;
    }

    .hero-meta {
        max-width: none;
    }
}

.scroll-cue {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10.5px;
    color: var(--ink-mute);
}

.scroll-cue .ln {
    width: 1px;
    height: 34px;
    background: linear-gradient(180deg, var(--aqua), transparent);
    animation: cue 1.8s infinite;
}

@keyframes cue {
    0% {
        opacity: .2;
    }

    50% {
        opacity: 1;
    }

    100% {
        opacity: .2;
    }
}

section {
    padding: 130px 0;
    position: relative;
}

.sec-head {
    display: grid;
    grid-template-columns: 170px 1fr;
    gap: 40px;
    margin-bottom: 70px;
    padding-bottom: 36px;
    border-bottom: 1px solid var(--line);
}

.sec-head .idx {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    color: var(--ink-mute);
    padding-top: 6px;
}

.sec-head h2 {
    font-size: clamp(27px, 3.4vw, 38px);
    font-weight: 800;
    letter-spacing: -0.01em;
    margin-bottom: 14px;
}

.sec-head p {
    color: var(--ink-soft);
    font-size: 15px;
    max-width: 560px;
}

@media (max-width:720px) {
    .sec-head {
        grid-template-columns: 1fr;
        gap: 14px;
    }
}

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .7s var(--ease), transform .7s var(--ease);
}

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

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

.why-list {
    border-top: 1px solid var(--line);
}

.why-row {
    display: grid;
    grid-template-columns: 170px 60px 1fr;
    gap: 40px;
    align-items: start;
    padding: 34px 0;
    border-bottom: 1px solid var(--line);
    transition: background .3s var(--ease);
    position: relative;
}

.why-row:hover {
    background: var(--paper-2);
}

.why-row:hover .why-title {
    color: var(--aqua-deep);
}

.why-row .why-index {
    font-family: 'JetBrains Mono', monospace;
    color: var(--ink-mute);
    font-size: 13px;
    padding-top: 4px;
}

.why-row .why-ic {
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ink);
    transition: .3s var(--ease);
}

.why-row:hover .why-ic {
    border-color: var(--aqua);
    color: var(--aqua-deep);
}

.why-ic svg {
    width: 20px;
    height: 20px;
}

.why-title {
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 8px;
    transition: .3s;
}

.why-row p {
    font-size: 14px;
    color: var(--ink-soft);
    max-width: 520px;
}

@media (max-width:720px) {
    .why-row {
        grid-template-columns: 40px 1fr;
    }

    .why-row .why-index {
        display: none;
    }
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
}

.service-card {
    background: var(--paper);
    padding: 32px 26px;
    position: relative;
    transition: .35s var(--ease);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 2px;
    background: var(--aqua);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform .35s var(--ease);
}

.service-card:hover {
    background: var(--paper-2);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card .row-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 22px;
}

.service-card .ic {
    width: 38px;
    height: 38px;
    color: var(--ink);
}

.service-card .ic svg {
    width: 100%;
    height: 100%;
}

.service-card .idx {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11.5px;
    color: var(--ink-mute);
}

.service-card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 10px;
}

.service-card p {
    font-size: 13.6px;
    color: var(--ink-soft);
    margin-bottom: 16px;
}

.service-card .stack {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--aqua-deep);
}

@media (max-width:900px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width:560px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

.team-list {
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--line);
}

.team-row {
    display: grid;
    grid-template-columns: 110px 1.1fr 1.4fr;
    gap: 36px;
    align-items: center;
    padding: 32px 0;
    border-bottom: 1px solid var(--line);
}

.avatar-frame {
    width: 82px;
    height: 82px;
    position: relative;
}

.avatar-frame .box {
    width: 100%;
    height: 100%;
    background: var(--paper-2);
    border: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    font-size: 19px;
    color: var(--aqua-deep);
}

.team-name h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
}

.team-name .role {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11.5px;
    color: var(--ink-mute);
}

.team-detail p {
    font-size: 13.6px;
    color: var(--ink-soft);
    margin-bottom: 12px;
}

.tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-row span {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10.8px;
    color: var(--aqua-deep);
    border: 1px solid var(--line);
    padding: 3px 9px;
}

.team-row.featured {
    background: var(--paper-2);
    margin: 0 -28px;
    padding: 36px 28px;
    border-bottom: 1px solid var(--line);
    position: relative;
}

.team-row.featured::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    width: 3px;
    background: var(--aqua);
}

.team-row.featured .avatar-frame {
    width: 112px;
    height: 112px;
}

.team-row.featured .avatar-frame .box {
    font-size: 25px;
}

.team-row.featured .team-name h3 {
    font-size: 23px;
}

.team-row.featured .team-detail p {
    font-size: 14.5px;
}

.lead-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10.5px;
    color: #fff;
    background: var(--aqua-deep);
    padding: 4px 10px;
    margin-top: 10px;
}

.lead-badge svg {
    width: 11px;
    height: 11px;
}

@media (max-width:760px) {
    .team-row {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 14px;
    }

    .avatar-frame {
        margin: 0 auto;
    }

    .tag-row {
        justify-content: center;
    }

    .team-row.featured {
        margin: 0 -20px;
        padding: 32px 20px;
    }

    .team-row.featured::before {
        display: none;
    }
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
}

.project-card {
    background: var(--paper);
    position: relative;
    overflow: hidden;
    transition: background-color .35s var(--ease), transform .4s var(--ease), box-shadow .4s var(--ease);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 2px;
    background: var(--aqua);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform .4s var(--ease);
}

.project-card:hover {
    background: var(--paper-2);
    transform: translateY(-6px);
    box-shadow: 0 24px 48px -28px rgba(0, 0, 0, 0.5);
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-thumb {
    height: 200px;
    position: relative;
    margin: 18px;
    overflow: hidden;
    border: 1px dashed var(--line);
    background: repeating-linear-gradient(135deg, rgba(0, 179, 196, 0.05) 0 2px, transparent 2px 16px);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color .4s var(--ease);
}

.project-card:hover .project-thumb {
    border-color: rgba(0, 198, 217, 0.5);
}

.project-thumb .ph {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--aqua-deep);
    opacity: .7;
    transition: transform .45s var(--ease), opacity .45s var(--ease);
}

.project-thumb .ph svg {
    width: 30px;
    height: 30px;
}

.project-thumb .ph span {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10.5px;
    color: var(--ink-mute);
}

.project-card:hover .project-thumb .ph {
    transform: scale(1.045);
    opacity: .95;
}

.project-thumb .frame-corners {
    opacity: 0;
    transition: opacity .4s var(--ease);
}

.project-card:hover .project-thumb .frame-corners {
    opacity: 1;
}

.project-body {
    padding: 6px 26px 30px;
}

.project-body h3 {
    font-size: 17.5px;
    font-weight: 700;
    margin-bottom: 8px;
}

.project-body p {
    font-size: 13.6px;
    color: var(--ink-soft);
    margin-bottom: 16px;
}

.tech-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
}

.tech-row span {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10.8px;
    color: var(--ink-mute);
    border: 1px solid var(--line);
    padding: 3px 8px;
    transition: border-color .3s var(--ease), color .3s var(--ease);
}

.project-card:hover .tech-row span {
    border-color: var(--line);
}

.view-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--ink);
    border-bottom: 1.5px solid var(--ink);
    padding-bottom: 2px;
    transition: .3s;
}

.project-card:hover .view-btn {
    color: var(--aqua-deep);
    border-color: var(--aqua);
}

.view-btn svg {
    width: 14px;
    height: 14px;
    transition: .3s;
}

.project-card:hover .view-btn svg {
    transform: translateX(-4px);
}

@media (max-width:820px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .project-card:hover {
        transform: none;
    }
}

.process-track {
    position: relative;
}

.process-track .rail {
    position: absolute;
    top: 27px;
    right: 0;
    left: 0;
    height: 1px;
    background: var(--line);
}

.process-track .rail-fill {
    position: absolute;
    top: 0;
    right: 0;
    height: 100%;
    width: 0%;
    background: var(--aqua);
    transition: width 1.2s var(--ease);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    position: relative;
}

.p-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.p-step .dot {
    width: 56px;
    height: 56px;
    border: 1.5px solid var(--line);
    background: var(--paper);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    color: var(--ink-mute);
    margin-bottom: 18px;
    transition: .4s var(--ease);
    position: relative;
    z-index: 2;
}

.p-step.in .dot {
    border-color: var(--aqua);
    color: var(--aqua-deep);
    background: var(--paper-2);
}

.p-step h3 {
    font-size: 14.5px;
    font-weight: 700;
    margin-bottom: 8px;
}

.p-step p {
    font-size: 12.5px;
    color: var(--ink-soft);
}

@media (max-width:900px) {
    .process-steps {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .process-track .rail {
        display: none;
    }

    .p-step {
        flex-direction: row;
        text-align: right;
        align-items: flex-start;
        gap: 20px;
        padding: 22px 0;
        border-bottom: 1px solid var(--line);
    }

    .p-step .dot {
        margin-bottom: 0;
        flex-shrink: 0;
    }
}

.contact-section {
    background: var(--aqua-dark);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.contact-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 48px 48px;
}

.contact-inner {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
}

.contact-info .kicker {
    color: #7fe6ee;
}

.contact-info .kicker::before {
    background: #7fe6ee;
}

.contact-info h2 {
    font-size: clamp(27px, 3.4vw, 38px);
    font-weight: 800;
    margin-bottom: 18px;
}

.contact-info p {
    color: rgba(255, 255, 255, 0.68);
    font-size: 15px;
    margin-bottom: 38px;
    max-width: 440px;
}

.info-list {
    border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.info-row {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.info-row .ic {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.info-row .txt div:first-child {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10.5px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 3px;
}

.info-row .txt div:last-child {
    font-size: 14.5px;
    font-weight: 600;
}

.social-row {
    display: flex;
    gap: 10px;
    margin-top: 26px;
}

.social-row a {
    width: 38px;
    height: 38px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: .3s;
}

.social-row a:hover {
    background: #7fe6ee;
    border-color: #7fe6ee;
    color: var(--aqua-dark);
}

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

.contact-single {
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
}

.contact-single .kicker {
    justify-content: center;
}

.contact-single p {
    color: rgba(255, 255, 255, 0.68);
    font-size: 15.5px;
    max-width: 520px;
    margin: 0 auto 40px;
}

.id-badge {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    border: 1.5px solid rgba(255, 255, 255, 0.28);
    padding: 16px 26px;
    margin-bottom: 52px;
    position: relative;
}

.id-badge span {
    font-family: 'JetBrains Mono', monospace;
    font-size: 20px;
    font-weight: 700;
    color: #7fe6ee;
    letter-spacing: .02em;
}

.copy-btn {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11.5px;
    color: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.28);
    padding: 7px 13px;
    transition: .3s;
    flex-shrink: 0;
}

.copy-btn:hover {
    background: #7fe6ee;
    color: var(--aqua-dark);
    border-color: #7fe6ee;
}

.social-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1px;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.14);
}

.social-item {
    background: var(--aqua-dark);
    padding: 26px 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    transition: .3s var(--ease);
}

.social-item:hover {
    background: rgba(255, 255, 255, 0.06);
}

.social-item .s-ic {
    width: 34px;
    height: 34px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: .3s;
}

.social-item:hover .s-ic {
    border-color: #7fe6ee;
}

.social-item .s-ic svg {
    width: 16px;
    height: 16px;
}

.social-item span {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.72);
}

@media (max-width:560px) {
    .social-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .id-badge {
        flex-direction: column;
        gap: 14px;
    }
}

.contact-form {
    padding-top: 4px;
}

.field {
    margin-bottom: 22px;
}

.field label {
    display: block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: 10px;
}

.field input,
.field textarea {
    width: 100%;
    padding: 10px 2px;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.25);
    color: #fff;
    font-family: inherit;
    font-size: 14.5px;
    transition: .3s;
}

.field input::placeholder,
.field textarea::placeholder {
    color: rgba(255, 255, 255, 0.32);
}

.field input:focus,
.field textarea:focus {
    outline: none;
    border-color: #7fe6ee;
}

.field textarea {
    resize: vertical;
    min-height: 80px;
}

.submit-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 30px;
    background: #fff;
    color: var(--aqua-dark);
    font-weight: 700;
    font-size: 14.5px;
    transition: .3s;
}

.submit-btn:hover {
    background: #7fe6ee;
}

.form-note {
    font-size: 11.5px;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 16px;
}

@media (max-width:860px) {
    .contact-inner {
        grid-template-columns: 1fr;
        gap: 50px;
    }
}

footer {
    padding: 56px 0 30px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 36px;
    padding-bottom: 36px;
    border-bottom: 1px solid var(--line);
}

.footer-brand .name {
    font-weight: 800;
    font-size: 19px;
    margin-bottom: 10px;
}

.footer-brand p {
    font-size: 13.4px;
    color: var(--ink-soft);
    max-width: 280px;
}

.footer-links {
    display: flex;
    gap: 60px;
    flex-wrap: wrap;
}

.footer-links h4 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--ink-mute);
    margin-bottom: 14px;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links a {
    font-size: 13.6px;
    color: var(--ink-soft);
    transition: .2s;
}

.footer-links a:hover {
    color: var(--aqua-deep);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 12px;
    color: var(--ink-mute);
    font-family: 'JetBrains Mono', monospace;
}

@media (max-width:560px) {

    .footer-top,
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
}