/* ============================================================
   FieldWO — Design system
   ============================================================ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Brand */
    --primary: #7c5cff;
    --primary-2: #5b3df0;
    --primary-light: #b3a4ff;
    --secondary: #2ee6d6;
    --secondary-deep: #00b8b3;
    --accent: #ff8a5c;
    --success: #34d399;
    --danger: #ff6b8a;

    /* Surfaces */
    --bg: #07070c;
    --bg-2: #0b0b13;
    --surface: rgba(255, 255, 255, 0.032);
    --surface-2: rgba(255, 255, 255, 0.055);
    --border: rgba(255, 255, 255, 0.09);
    --border-2: rgba(255, 255, 255, 0.14);
    --border-brand: rgba(124, 92, 255, 0.38);

    /* Text */
    --text: #ecebf5;
    --text-soft: #a5a3bb;
    --text-muted: #7c7a93;
    --text-dim: #55536a;
    --white: #ffffff;

    /* Gradients */
    --grad: linear-gradient(120deg, var(--primary), var(--secondary));
    --grad-soft: linear-gradient(120deg, rgba(124, 92, 255, 0.16), rgba(46, 230, 214, 0.10));

    /* Shape */
    --r-sm: 10px;
    --r: 16px;
    --r-lg: 22px;
    --r-xl: 30px;

    /* Motion */
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
    --t: 0.4s var(--ease);

    /* Depth */
    --shadow-1: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-2: 0 18px 40px -22px rgba(0, 0, 0, 0.8);
    --shadow-3: 0 40px 90px -50px rgba(0, 0, 0, 0.95);
    --glow: 0 24px 60px -28px rgba(124, 92, 255, 0.75);

    /* Rhythm */
    --section-y: clamp(5rem, 11vw, 9rem);
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    scroll-padding-top: 90px;
}

body {
    font-family: 'Inter', ui-sans-serif, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'ss01';
}

/* Fine noise texture over everything — kills banding on the gradients */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 3000;
    pointer-events: none;
    opacity: 0.032;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
}

img, svg { display: block; max-width: 100%; }
button { font-family: inherit; color: inherit; }

::selection {
    background: rgba(124, 92, 255, 0.35);
    color: var(--white);
}

:focus-visible {
    outline: 2px solid var(--primary-light);
    outline-offset: 3px;
    border-radius: 4px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(1.15rem, 4vw, 2rem);
}

/* ============================================================
   Global chrome — progress, cursor, backdrop
   ============================================================ */
.scroll-progress {
    position: fixed;
    top: 0; left: 0;
    height: 2px;
    width: 0;
    background: var(--grad);
    z-index: 2000;
    transition: width 0.12s linear;
    box-shadow: 0 0 16px rgba(124, 92, 255, 0.8);
}

.cursor-dot,
.cursor-ring {
    position: fixed;
    top: 0; left: 0;
    pointer-events: none;
    z-index: 2500;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.3s;
}

.cursor-dot {
    width: 5px; height: 5px;
    background: var(--white);
    border-radius: 50%;
}

.cursor-ring {
    width: 30px; height: 30px;
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: 50%;
    transition: width 0.3s var(--ease), height 0.3s var(--ease),
                opacity 0.3s, background 0.3s, border-color 0.3s;
}

.cursor-ring.grow {
    width: 54px; height: 54px;
    background: rgba(124, 92, 255, 0.12);
    border-color: rgba(179, 164, 255, 0.6);
}

body.cursor-ready .cursor-dot,
body.cursor-ready .cursor-ring { opacity: 1; }

.page-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
    background:
        radial-gradient(1200px 700px at 15% -5%, rgba(124, 92, 255, 0.13), transparent 65%),
        radial-gradient(900px 600px at 90% 10%, rgba(46, 230, 214, 0.08), transparent 60%),
        var(--bg);
}

.page-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 20%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 20%, transparent 75%);
}

.page-bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(130px);
    animation: orb-drift 26s var(--ease-soft) infinite;
}
.orb-1 { width: 560px; height: 560px; background: rgba(124, 92, 255, 0.30); top: -12%; left: -8%; }
.orb-2 { width: 620px; height: 620px; background: rgba(46, 230, 214, 0.16); bottom: -18%; right: -10%; animation-delay: -9s; }
.orb-3 { width: 420px; height: 420px; background: rgba(255, 138, 92, 0.10); top: 45%; left: 42%; animation-delay: -16s; }

@keyframes orb-drift {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(70px, -50px) scale(1.12); }
    66% { transform: translate(-50px, 60px) scale(0.94); }
}

/* ============================================================
   Navbar
   ============================================================ */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 1.35rem 0;
    transition: padding 0.4s var(--ease), background 0.4s var(--ease), border-color 0.4s;
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    padding: 0.7rem 0;
    background: rgba(7, 7, 12, 0.72);
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    border-bottom-color: var(--border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(1.15rem, 4vw, 2rem);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.nav-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    flex-shrink: 0;
}

.logo-mark {
    position: relative;
    display: inline-block;
    width: 22px; height: 22px;
    flex-shrink: 0;
}

.logo-square {
    position: absolute;
    inset: 0;
    background: var(--grad);
    border-radius: 6px;
    transform: rotate(45deg);
    box-shadow: 0 0 22px rgba(124, 92, 255, 0.55);
    animation: logo-breathe 4s var(--ease-soft) infinite;
}

.logo-dot {
    position: absolute;
    top: 50%; left: 50%;
    width: 5px; height: 5px;
    background: var(--bg);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

@keyframes logo-breathe {
    0%, 100% { box-shadow: 0 0 18px rgba(124, 92, 255, 0.45); }
    50% { box-shadow: 0 0 30px rgba(46, 230, 214, 0.5); }
}

.logo-text {
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--white);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 0.35rem;
    margin-left: auto;
}

.nav-links a {
    display: inline-block;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.45rem 0.85rem;
    border-radius: 50px;
    transition: color 0.3s, background 0.3s;
    white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.current {
    color: var(--white);
    background: var(--surface-2);
}


.nav-links .nav-cta {
    background: var(--grad);
    color: #08080f !important;
    font-weight: 650;
    box-shadow: 0 10px 26px -14px rgba(124, 92, 255, 0.9);
}
.nav-links .nav-cta:hover { background: var(--grad); transform: translateY(-1px); }
.nav-links .nav-cta::after { display: none; }

.lang-switcher {
    display: flex;
    gap: 2px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 3px;
    margin-left: 1rem;
    flex-shrink: 0;
}

.lang-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.32rem 0.72rem;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--t);
    letter-spacing: 0.06em;
}

.lang-btn:hover { color: var(--text); }

.lang-btn.active {
    background: var(--grad);
    color: #0a0a12;
    box-shadow: 0 4px 14px -4px rgba(124, 92, 255, 0.7);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.nav-toggle span {
    width: 22px;
    height: 1.5px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--t);
}

/* ============================================================
   Typography primitives
   ============================================================ */
.section-head {
    text-align: center;
    max-width: 660px;
    margin: 0 auto clamp(3rem, 6vw, 4.5rem);
}

.section-eyebrow {
    display: inline-block;
    padding: 0.34rem 0.85rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--primary-light);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-bottom: 1.35rem;
}

.section-title {
    font-size: clamp(2rem, 4.6vw, 3.1rem);
    font-weight: 700;
    letter-spacing: -0.035em;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: 1rem;
    text-wrap: balance;
}

.section-sub {
    color: var(--text-soft);
    font-size: clamp(0.98rem, 1.6vw, 1.08rem);
    text-wrap: pretty;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    padding: 0.9rem 1.7rem;
    border-radius: 50px;
    font-size: 0.92rem;
    font-weight: 600;
    letter-spacing: -0.005em;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
    isolation: isolate;
    transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease),
                background 0.35s, border-color 0.35s;
    will-change: transform;
}

.btn-sm { padding: 0.72rem 1.3rem; font-size: 0.85rem; }

.btn-primary {
    background: var(--grad);
    color: #08080f;
    box-shadow: var(--glow);
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, var(--secondary), var(--primary));
    opacity: 0;
    transition: opacity 0.4s;
    z-index: -1;
}

.btn-primary:hover { transform: translateY(-2px); }
.btn-primary:hover::before { opacity: 1; }
.btn-primary:hover .btn-arrow { transform: translateX(4px); }

.btn-arrow { transition: transform 0.35s var(--ease); }

.btn-ghost {
    background: var(--surface);
    color: var(--white);
    border-color: var(--border-2);
    backdrop-filter: blur(12px);
}

.btn-ghost:hover {
    background: var(--surface-2);
    border-color: var(--border-brand);
    transform: translateY(-2px);
}

.btn-play {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px; height: 20px;
    background: var(--grad);
    border-radius: 50%;
    color: #08080f;
    font-size: 0.6rem;
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
    min-height: 100svh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 9rem 1.15rem 7rem;
    text-align: center;
}

.hero-mesh { position: absolute; inset: 0; pointer-events: none; }

.mesh-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    mix-blend-mode: screen;
    animation: mesh-drift 20s var(--ease-soft) infinite;
    transition: transform 0.9s var(--ease-soft);
}
.mesh-1 { width: 480px; height: 480px; background: rgba(124, 92, 255, 0.42); top: 4%; left: 6%; }
.mesh-2 { width: 460px; height: 460px; background: rgba(46, 230, 214, 0.26); top: 16%; right: 4%; animation-delay: -7s; }
.mesh-3 { width: 380px; height: 380px; background: rgba(255, 138, 92, 0.16); bottom: -4%; left: 42%; animation-delay: -13s; }

@keyframes mesh-drift {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(45px, -35px) scale(1.16); }
}

.hero-bg { position: absolute; inset: 0; overflow: hidden; }

.particle {
    position: absolute;
    left: var(--x);
    top: var(--y);
    width: 3px; height: 3px;
    background: var(--primary-light);
    border-radius: 50%;
    opacity: 0.5;
    box-shadow: 0 0 12px rgba(179, 164, 255, 0.9);
    animation: float var(--duration) var(--delay) infinite var(--ease-soft);
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.35; }
    50% { transform: translate(26px, -36px) scale(1.6); opacity: 0.95; }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 880px;
}

@keyframes rise {
    from { opacity: 0; transform: translateY(26px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.42rem 0.95rem 0.42rem 0.75rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-soft);
    margin-bottom: 1.9rem;
    backdrop-filter: blur(12px);
    animation: rise 0.9s var(--ease) both;
}

.badge-dot {
    width: 7px; height: 7px;
    background: var(--secondary);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--secondary);
    animation: pulse-dot 2s var(--ease-soft) infinite;
}

@keyframes pulse-dot {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.35); opacity: 0.65; }
}

.hero-title {
    font-size: clamp(2.4rem, 6.4vw, 4.6rem);
    font-weight: 700;
    line-height: 1.04;
    letter-spacing: -0.045em;
    margin-bottom: 1.6rem;
    color: var(--white);
    text-wrap: balance;
}

.hero-line {
    display: block;
    animation: rise 0.9s 0.08s var(--ease) both;
}

.hero-rotator {
    display: block;
    margin-top: 0.12em;
    animation: rise 0.9s 0.16s var(--ease) both;
}

.rotator-static { color: var(--white); }

.rotator-words {
    position: relative;
    display: inline-block;
    height: 1.12em;
    vertical-align: bottom;
    overflow: hidden;
    min-width: 5.2em;
    text-align: left;
}

.rotator-word {
    position: absolute;
    left: 0.3em;
    top: 0;
    white-space: nowrap;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0;
    transform: translateY(100%);
    transition: transform 0.7s var(--ease), opacity 0.5s;
}

.rotator-word.active { opacity: 1; transform: translateY(0); }
.rotator-word.exit { opacity: 0; transform: translateY(-100%); }

.hero-subtitle {
    font-size: clamp(1rem, 1.9vw, 1.15rem);
    color: var(--text-soft);
    max-width: 620px;
    margin: 0 auto 2.6rem;
    text-wrap: pretty;
    animation: rise 0.9s 0.28s var(--ease) both;
}

.hero-ctas {
    display: flex;
    gap: 0.85rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
    animation: rise 0.9s 0.4s var(--ease) both;
}

.hero-metrics {
    display: flex;
    gap: clamp(1.8rem, 6vw, 4rem);
    justify-content: center;
    flex-wrap: wrap;
    padding-top: 2.2rem;
    border-top: 1px solid var(--border);
    animation: rise 0.9s 0.55s var(--ease) both;
}

.metric-num {
    display: block;
    font-size: clamp(1.7rem, 3.4vw, 2.3rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.metric-label {
    display: block;
    font-size: 0.74rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.13em;
    margin-top: 0.55rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-decoration: none;
    color: var(--text-dim);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.66rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    animation: drift-down 2.6s var(--ease-soft) infinite;
    transition: color 0.3s;
}

.scroll-indicator:hover { color: var(--text-soft); }

.scroll-arrow {
    width: 14px; height: 14px;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(45deg);
}

@keyframes drift-down {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.6; }
    50% { transform: translateX(-50%) translateY(9px); opacity: 1; }
}

/* ============================================================
   Bridge — office ↔ field visualiser
   ============================================================ */
.bridge { padding: var(--section-y) 0; }

.bridge-stage {
    display: grid;
    grid-template-columns: minmax(180px, 1fr) minmax(220px, 1.5fr) minmax(180px, 1fr);
    align-items: stretch;
    gap: clamp(0.8rem, 2.5vw, 1.6rem);
    padding: clamp(1.2rem, 3vw, 2.2rem);
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012));
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-3);
    position: relative;
    overflow: hidden;
}

.bridge-stage::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--r-xl);
    padding: 1px;
    background: linear-gradient(140deg, rgba(124, 92, 255, 0.5), transparent 40%, transparent 60%, rgba(46, 230, 214, 0.4));
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.bridge-node {
    position: relative;
    background: linear-gradient(170deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.015));
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: clamp(1.2rem, 2.6vw, 1.9rem) 1.2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    overflow: hidden;
    transition: border-color 0.5s, transform 0.5s var(--ease);
}

.node-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(124, 92, 255, 0.22), transparent 70%);
    opacity: 0.65;
    transition: opacity 0.5s;
    pointer-events: none;
}

.node-field .node-glow {
    background: radial-gradient(circle at 50% 0%, rgba(46, 230, 214, 0.18), transparent 70%);
}

.bridge-node.ping {
    border-color: var(--border-brand);
    transform: translateY(-3px);
}
.bridge-node.ping .node-glow { opacity: 1; }

.node-icon {
    width: 48px; height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: var(--grad-soft);
    border: 1px solid var(--border-2);
    color: var(--primary-light);
    margin-bottom: 0.65rem;
    position: relative;
    z-index: 1;
}

.node-field .node-icon { color: var(--secondary); }
.node-icon svg { width: 24px; height: 24px; }

.bridge-node h3 {
    font-size: 1.15rem;
    font-weight: 650;
    letter-spacing: -0.02em;
    color: var(--white);
    position: relative;
    z-index: 1;
}

.bridge-node p {
    font-size: 0.82rem;
    color: var(--text-muted);
    position: relative;
    z-index: 1;
}

.node-pulse-label {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.7rem;
    font-size: 0.66rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-dim);
    position: relative;
    z-index: 1;
}

.live-dot {
    width: 6px; height: 6px;
    background: var(--secondary);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--secondary);
    animation: pulse-dot 2s var(--ease-soft) infinite;
    flex-shrink: 0;
}

.bridge-flow {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: clamp(1.4rem, 4vw, 2.4rem);
    padding: 1rem 0;
}

.lane {
    position: relative;
    height: 46px;
}

.lane-line {
    position: absolute;
    top: 50%;
    left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-2) 12%, var(--border-2) 88%, transparent);
}

.lane-packets {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.packet {
    position: absolute;
    top: 50%;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.32rem 0.7rem;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 600;
    white-space: nowrap;
    background: rgba(124, 92, 255, 0.16);
    border: 1px solid rgba(124, 92, 255, 0.4);
    color: var(--primary-light);
    backdrop-filter: blur(8px);
    box-shadow: 0 6px 18px -8px rgba(124, 92, 255, 0.9);
    opacity: 0;
    animation: packet-out 5s linear var(--d) infinite;
}

.lane-in .packet {
    background: rgba(46, 230, 214, 0.14);
    border-color: rgba(46, 230, 214, 0.4);
    color: var(--secondary);
    box-shadow: 0 6px 18px -8px rgba(46, 230, 214, 0.9);
    animation-name: packet-in;
}

.packet i {
    font-style: normal;
    font-size: 0.78rem;
    line-height: 1;
}

@keyframes packet-out {
    0%   { left: -12%; transform: translateY(-50%) scale(0.85); opacity: 0; }
    12%  { opacity: 1; transform: translateY(-50%) scale(1); }
    88%  { opacity: 1; transform: translateY(-50%) scale(1); }
    100% { left: 100%; transform: translateY(-50%) scale(0.85); opacity: 0; }
}

@keyframes packet-in {
    0%   { left: 100%; transform: translateY(-50%) scale(0.85); opacity: 0; }
    12%  { opacity: 1; transform: translateY(-50%) scale(1); }
    88%  { opacity: 1; transform: translateY(-50%) scale(1); }
    100% { left: -12%; transform: translateY(-50%) scale(0.85); opacity: 0; }
}

.lane-tag {
    position: absolute;
    top: calc(50% + 16px);
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.62rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-dim);
    white-space: nowrap;
    pointer-events: none;
}

.bridge-chips {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2.2rem;
}

.bchip {
    padding: 0.55rem 1.1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 50px;
    color: var(--text-soft);
    font-size: 0.84rem;
    font-weight: 550;
    cursor: pointer;
    transition: var(--t);
}

.bchip:hover {
    color: var(--white);
    border-color: var(--border-2);
    transform: translateY(-2px);
}

.bchip.active {
    background: var(--grad);
    border-color: transparent;
    color: #08080f;
    font-weight: 650;
    box-shadow: 0 12px 26px -12px rgba(124, 92, 255, 0.9);
}

.bridge-desc {
    max-width: 620px;
    margin: 1.6rem auto 0;
    text-align: center;
    color: var(--text-soft);
    font-size: 0.98rem;
    text-wrap: pretty;
    transition: opacity 0.35s;
    min-height: 3.2em;
}

.bridge-desc.swapping { opacity: 0; }

/* ============================================================
   Solutions
   ============================================================ */
.projects { padding: var(--section-y) 0; }

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.15rem;
}

.project-card {
    position: relative;
    border-radius: var(--r-lg);
    background: linear-gradient(170deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.012));
    border: 1px solid var(--border);
    overflow: hidden;
    isolation: isolate;
    transition: transform 0.5s var(--ease), border-color 0.4s, box-shadow 0.5s var(--ease);
    will-change: transform;
    transform-style: preserve-3d;
}

.project-card:hover {
    border-color: var(--border-brand);
    box-shadow: var(--shadow-3), 0 0 50px -25px rgba(124, 92, 255, 0.7);
}

.pc-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(124, 92, 255, 0.16), transparent 45%);
    opacity: 0;
    transition: opacity 0.45s;
    pointer-events: none;
    z-index: 2;
}

.project-card:hover .pc-glow { opacity: 1; }

.pc-inner {
    position: relative;
    padding: clamp(1.5rem, 3vw, 1.9rem);
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    z-index: 1;
}

.pc-icon {
    width: 46px; height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--grad-soft);
    border: 1px solid var(--border-2);
    border-radius: 13px;
    color: var(--primary-light);
    margin-bottom: 0.75rem;
    transition: transform 0.5s var(--ease), color 0.4s, background 0.4s, border-color 0.4s;
}

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

.project-card:hover .pc-icon {
    transform: translateY(-3px) rotate(-6deg);
    background: var(--grad);
    border-color: transparent;
    color: #08080f;
    box-shadow: 0 14px 30px -14px rgba(124, 92, 255, 0.9);
}

.pc-inner h3 {
    font-size: 1.08rem;
    font-weight: 650;
    letter-spacing: -0.02em;
    color: var(--white);
    text-wrap: balance;
}

.pc-inner p {
    color: var(--text-muted);
    font-size: 0.89rem;
    line-height: 1.62;
    flex: 1;
    text-wrap: pretty;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: 0.9rem;
}

.project-tags span {
    padding: 0.24rem 0.65rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 0.7rem;
    color: var(--text-soft);
    font-weight: 500;
    transition: var(--t);
}

.project-card:hover .project-tags span {
    border-color: var(--border-brand);
    color: var(--primary-light);
}

/* ============================================================
   Builder
   ============================================================ */
.builder { padding: var(--section-y) 0; }

.builder-grid {
    display: grid;
    grid-template-columns: 1.25fr 1fr;
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: start;
}

.builder-modules {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 0.7rem;
}

.mod {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.95rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r);
    cursor: pointer;
    text-align: left;
    transition: var(--t);
    position: relative;
    overflow: hidden;
}

.mod:hover {
    border-color: var(--border-2);
    background: var(--surface-2);
    transform: translateY(-2px);
}

.mod.active {
    border-color: var(--border-brand);
    background: linear-gradient(135deg, rgba(124, 92, 255, 0.13), rgba(46, 230, 214, 0.06));
}

.mod-check {
    width: 19px; height: 19px;
    border: 1.5px solid var(--border-2);
    border-radius: 6px;
    flex-shrink: 0;
    position: relative;
    transition: var(--t);
}

.mod-check::after {
    content: '';
    position: absolute;
    top: 3px; left: 6px;
    width: 4px; height: 8px;
    border: solid #08080f;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg) scale(0);
    transition: transform 0.3s var(--ease);
}

.mod.active .mod-check {
    background: var(--grad);
    border-color: transparent;
}

.mod.active .mod-check::after { transform: rotate(45deg) scale(1); }

.mod-icon {
    width: 34px; height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: var(--surface-2);
    color: var(--text-muted);
    flex-shrink: 0;
    transition: var(--t);
}

.mod-icon svg { width: 17px; height: 17px; }

.mod.active .mod-icon {
    background: var(--grad-soft);
    color: var(--primary-light);
}

.mod-text { display: flex; flex-direction: column; min-width: 0; }

.mod-text strong {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: -0.01em;
}

.mod.active .mod-text strong { color: var(--white); }

.mod-text small {
    font-size: 0.74rem;
    color: var(--text-dim);
    line-height: 1.4;
}

/* Device preview */
.builder-preview {
    position: sticky;
    top: 100px;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    align-items: center;
}

.device {
    position: relative;
    width: 100%;
    max-width: 280px;
    aspect-ratio: 9 / 17.5;
    background: linear-gradient(170deg, #16161f, #0b0b12);
    border: 1px solid var(--border-2);
    border-radius: 34px;
    padding: 10px;
    box-shadow: var(--shadow-3), 0 0 60px -30px rgba(124, 92, 255, 0.8);
}

.device::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 34px;
    padding: 1px;
    background: linear-gradient(160deg, rgba(124, 92, 255, 0.55), transparent 45%, rgba(46, 230, 214, 0.4));
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.device-notch {
    position: absolute;
    top: 10px; left: 50%;
    transform: translateX(-50%);
    width: 78px; height: 5px;
    background: rgba(255, 255, 255, 0.14);
    border-radius: 50px;
    z-index: 2;
}

.device-screen {
    position: relative;
    height: 100%;
    background: linear-gradient(180deg, rgba(124, 92, 255, 0.07), rgba(7, 7, 12, 0.9));
    border-radius: 26px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.ds-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 0.95rem 0.7rem;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.ds-title {
    font-size: 0.76rem;
    font-weight: 650;
    color: var(--white);
    letter-spacing: -0.01em;
}

.ds-body {
    flex: 1;
    padding: 0.7rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    overflow-y: auto;
    scrollbar-width: none;
}

.ds-body::-webkit-scrollbar { display: none; }

.ds-row {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.6rem 0.65rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 11px;
    animation: ds-pop 0.5s var(--ease) both;
}

@keyframes ds-pop {
    from { opacity: 0; transform: translateY(10px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.ds-row.leaving {
    animation: ds-out 0.3s var(--ease-soft) forwards;
}

@keyframes ds-out {
    to { opacity: 0; transform: translateX(14px) scale(0.95); }
}

.ds-row-icon {
    width: 24px; height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 7px;
    background: var(--grad-soft);
    color: var(--primary-light);
    flex-shrink: 0;
}

.ds-row-icon svg { width: 13px; height: 13px; }

.ds-row-text { display: flex; flex-direction: column; min-width: 0; flex: 1; }

.ds-row-text b {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ds-row-bar {
    height: 3px;
    background: rgba(255, 255, 255, 0.09);
    border-radius: 2px;
    margin-top: 4px;
    overflow: hidden;
}

.ds-row-bar span {
    display: block;
    height: 100%;
    width: var(--w, 60%);
    background: var(--grad);
    border-radius: 2px;
    animation: bar-fill 1s var(--ease) both;
}

@keyframes bar-fill {
    from { width: 0; }
}

.ds-empty {
    position: absolute;
    inset: auto 1rem 40%;
    text-align: center;
    font-size: 0.76rem;
    color: var(--text-dim);
    transition: opacity 0.4s;
}

.ds-empty.hidden { opacity: 0; }

.bp-meta {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    max-width: 300px;
}

.bp-count {
    display: flex;
    align-items: baseline;
    gap: 0.45rem;
}

.bp-num {
    font-size: 1.9rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.bp-num-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
}

.bp-note {
    font-size: 0.84rem;
    color: var(--text-muted);
    min-height: 2.6em;
    text-wrap: pretty;
    transition: opacity 0.3s;
}

.bp-note.swapping { opacity: 0; }

/* ============================================================
   Process timeline
   ============================================================ */
.process { padding: var(--section-y) 0; }

.timeline {
    list-style: none;
    max-width: 760px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 71px;
    top: 12px;
    bottom: 12px;
    width: 1px;
    background: linear-gradient(180deg, transparent, var(--border-2) 8%, var(--border-2) 92%, transparent);
}

.tl-item {
    position: relative;
    display: grid;
    grid-template-columns: 56px 30px 1fr;
    align-items: center;
    gap: 1rem;
    padding: 0.9rem 0;
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.tl-item.in-view { opacity: 1; transform: translateY(0); }

.tl-step {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--text-dim);
    text-align: right;
    font-variant-numeric: tabular-nums;
    transition: color 0.5s;
}

.tl-item.in-view .tl-step { color: var(--primary-light); }

.tl-dot {
    position: relative;
    width: 15px; height: 15px;
    margin: 0 auto;
    background: var(--bg);
    border: 1.5px solid var(--border-2);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--t);
    z-index: 1;
}

.tl-dot-inner {
    width: 5px; height: 5px;
    background: var(--text-dim);
    border-radius: 50%;
    transition: var(--t);
}

.tl-item.in-view .tl-dot {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(124, 92, 255, 0.1), 0 0 22px rgba(124, 92, 255, 0.45);
}

.tl-item.in-view .tl-dot-inner {
    background: var(--grad);
    transform: scale(1.4);
}

.tl-card {
    background: linear-gradient(170deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.012));
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 1.15rem 1.35rem;
    transition: var(--t);
}

.tl-card:hover {
    border-color: var(--border-brand);
    transform: translateX(5px);
    box-shadow: var(--shadow-2);
}

.tl-card h4 {
    color: var(--white);
    font-size: 0.98rem;
    font-weight: 650;
    letter-spacing: -0.015em;
    margin-bottom: 0.28rem;
}

.tl-card p {
    color: var(--text-muted);
    font-size: 0.87rem;
    line-height: 1.6;
    text-wrap: pretty;
}

/* ============================================================
   About
   ============================================================ */
.about { padding: var(--section-y) 0; }

.about-content {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
    max-width: 1060px;
    margin: 0 auto;
}

.about-intro {
    font-size: clamp(1.1rem, 2.2vw, 1.3rem);
    color: var(--white);
    margin-bottom: 1rem;
    font-weight: 500;
    line-height: 1.5;
    letter-spacing: -0.02em;
    text-wrap: balance;
}

.about-text > p {
    margin-bottom: 1.4rem;
    color: var(--text-muted);
    text-wrap: pretty;
}

.skills-container { margin-top: 2.2rem; }

.skill { margin-bottom: 1.35rem; }

.skill-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.5rem;
}

.skill-name { font-size: 0.87rem; color: var(--text-soft); }

.skill-val {
    font-size: 0.74rem;
    color: var(--primary-light);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.skill-bar {
    height: 4px;
    background: rgba(255, 255, 255, 0.07);
    border-radius: 3px;
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    background: var(--grad);
    border-radius: 3px;
    width: 0;
    transition: width 1.6s var(--ease);
    box-shadow: 0 0 14px rgba(124, 92, 255, 0.6);
    position: relative;
    overflow: hidden;
}

.skill-fill::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.45), transparent);
    animation: shimmer 2.4s linear infinite;
}

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

.about-values {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.value-card {
    background: linear-gradient(170deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.012));
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 1.3rem;
    transition: var(--t);
}

.value-card:hover {
    border-color: var(--border-brand);
    transform: translateY(-3px);
    box-shadow: var(--shadow-2);
}

.value-icon {
    width: 38px; height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 11px;
    background: var(--grad-soft);
    border: 1px solid var(--border-2);
    color: var(--primary-light);
    margin-bottom: 0.8rem;
}

.value-icon svg { width: 19px; height: 19px; }

.value-card h4 {
    font-size: 0.94rem;
    font-weight: 650;
    color: var(--white);
    letter-spacing: -0.015em;
    margin-bottom: 0.25rem;
}

.value-card p {
    font-size: 0.83rem;
    color: var(--text-muted);
    line-height: 1.55;
}

/* Marquee */
.marquee {
    margin-top: clamp(3.5rem, 8vw, 5.5rem);
    overflow: hidden;
    padding: 1.4rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 18%, #000 82%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 18%, #000 82%, transparent);
}

.marquee-track {
    display: inline-flex;
    gap: 2.6rem;
    align-items: center;
    white-space: nowrap;
    animation: marquee 36s linear infinite;
}

.marquee-track span {
    font-size: clamp(1rem, 2.2vw, 1.35rem);
    font-weight: 550;
    color: var(--text-dim);
    letter-spacing: -0.015em;
    transition: color 0.4s;
}

.marquee-track span:nth-child(even) {
    color: rgba(124, 92, 255, 0.55);
    font-size: 0.75rem;
}

.marquee:hover .marquee-track span { color: var(--text-soft); }
.marquee:hover .marquee-track span:nth-child(even) { color: var(--primary); }

@keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* ============================================================
   Contact
   ============================================================ */
.contact { padding: var(--section-y) 0; }

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.35fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
    max-width: 1060px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 1.3rem;
    color: var(--white);
    margin-bottom: 0.9rem;
    font-weight: 650;
    letter-spacing: -0.025em;
    text-wrap: balance;
}

.contact-info > p {
    color: var(--text-muted);
    margin-bottom: 1.8rem;
    text-wrap: pretty;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    color: var(--text-soft);
    padding: 0.85rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    transition: var(--t);
    font-size: 0.87rem;
}

.contact-item:hover {
    border-color: var(--border-brand);
    background: var(--surface-2);
    transform: translateX(4px);
    color: var(--white);
}

.contact-item svg {
    width: 17px; height: 17px;
    color: var(--primary-light);
    flex-shrink: 0;
}

.contact-form {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 1.9rem;
    background: linear-gradient(170deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.012));
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: clamp(1.5rem, 3.5vw, 2.2rem);
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow-2);
}

.form-group { position: relative; }

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.85rem 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-2);
    color: var(--white);
    font-size: 0.98rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.35s;
    resize: none;
}

.form-group label {
    position: absolute;
    top: 0.85rem;
    left: 0;
    color: var(--text-muted);
    font-size: 0.98rem;
    pointer-events: none;
    transition: var(--t);
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    top: -0.75rem;
    font-size: 0.68rem;
    color: var(--primary-light);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.form-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--grad);
    transition: width 0.45s var(--ease);
    border-radius: 2px;
}

.form-group input:focus ~ .form-line,
.form-group textarea:focus ~ .form-line { width: 100%; }

.form-group.invalid input,
.form-group.invalid textarea { border-bottom-color: var(--danger); }
.form-group.invalid label { color: var(--danger); }
.form-group.invalid { animation: shake 0.4s var(--ease-soft); }

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.form-counter {
    position: absolute;
    right: 0;
    bottom: -1.3rem;
    font-size: 0.68rem;
    color: var(--text-dim);
    font-variant-numeric: tabular-nums;
}

.form-interests { display: flex; flex-direction: column; gap: 0.7rem; }

.fi-label {
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.fi-chips { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.fi-chip {
    padding: 0.4rem 0.8rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 50px;
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--t);
}

.fi-chip:hover { color: var(--white); border-color: var(--border-2); }

.fi-chip.active {
    background: linear-gradient(135deg, rgba(124, 92, 255, 0.2), rgba(46, 230, 214, 0.1));
    border-color: var(--border-brand);
    color: var(--primary-light);
}

.submit-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.95rem 2rem;
    background: var(--grad);
    color: #08080f;
    border: none;
    border-radius: 50px;
    font-size: 0.92rem;
    font-weight: 650;
    cursor: pointer;
    align-self: flex-start;
    position: relative;
    overflow: hidden;
    isolation: isolate;
    box-shadow: var(--glow);
    transition: transform 0.35s var(--ease), box-shadow 0.35s;
    will-change: transform;
}

.submit-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, var(--secondary), var(--primary));
    opacity: 0;
    transition: opacity 0.4s;
    z-index: -1;
}

.submit-btn:hover { transform: translateY(-2px); }
.submit-btn:hover::before { opacity: 1; }
.submit-btn:hover .btn-icon svg { transform: translate(3px, -3px); }
.submit-btn:disabled { opacity: 0.65; cursor: wait; transform: none; }

.btn-text, .btn-icon { position: relative; z-index: 1; }

.btn-icon svg {
    width: 17px; height: 17px;
    transition: transform 0.35s var(--ease);
}

.form-status {
    padding: 0.85rem 1rem;
    border-radius: var(--r-sm);
    display: none;
    font-size: 0.84rem;
    animation: rise 0.4s var(--ease);
}

.form-status.error {
    display: block;
    background: rgba(255, 107, 138, 0.1);
    color: var(--danger);
    border: 1px solid rgba(255, 107, 138, 0.3);
}

/* Success overlay */
.form-success {
    position: absolute;
    inset: 0;
    background: linear-gradient(170deg, rgba(16, 16, 26, 0.97), rgba(10, 10, 18, 0.99));
    backdrop-filter: blur(10px);
    border-radius: var(--r-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    text-align: center;
    padding: 2rem;
    z-index: 5;
    animation: rise 0.5s var(--ease);
}

.form-success[hidden] { display: none; }

.success-check {
    width: 62px; height: 62px;
    margin-bottom: 0.5rem;
}

.sc-circle {
    stroke: var(--secondary);
    stroke-width: 2;
    stroke-dasharray: 151;
    stroke-dashoffset: 151;
    animation: draw-circle 0.7s var(--ease) forwards;
}

.sc-tick {
    stroke: var(--secondary);
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 40;
    stroke-dashoffset: 40;
    animation: draw-tick 0.4s 0.55s var(--ease) forwards;
}

@keyframes draw-circle { to { stroke-dashoffset: 0; } }
@keyframes draw-tick { to { stroke-dashoffset: 0; } }

.form-success h4 {
    font-size: 1.2rem;
    font-weight: 650;
    color: var(--white);
    letter-spacing: -0.02em;
}

.form-success p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.6rem;
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
    padding: 3rem 0 2.5rem;
    text-align: center;
    color: var(--text-dim);
    font-size: 0.82rem;
    border-top: 1px solid var(--border);
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.9rem;
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* ============================================================
   Chat widget
   ============================================================ */
.chat-fab {
    position: fixed;
    right: clamp(1rem, 3vw, 1.75rem);
    bottom: clamp(1rem, 3vw, 1.75rem);
    z-index: 1500;
    width: 56px; height: 56px;
    border-radius: 50%;
    border: none;
    background: var(--grad);
    color: #08080f;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--glow), var(--shadow-2);
    transition: transform 0.4s var(--ease), box-shadow 0.4s;
}

.chat-fab:hover { transform: scale(1.06) translateY(-2px); }
.chat-fab:active { transform: scale(0.97); }

.fab-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid rgba(124, 92, 255, 0.55);
    animation: fab-ripple 2.6s var(--ease-soft) infinite;
    pointer-events: none;
}

@keyframes fab-ripple {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(1.7); opacity: 0; }
}

.fab-icon {
    position: absolute;
    display: inline-flex;
    transition: opacity 0.3s, transform 0.4s var(--ease);
}

.fab-icon svg { width: 23px; height: 23px; }

.fab-close { opacity: 0; transform: rotate(-90deg) scale(0.6); }

.chat-fab.open .fab-open { opacity: 0; transform: rotate(90deg) scale(0.6); }
.chat-fab.open .fab-close { opacity: 1; transform: rotate(0) scale(1); }
.chat-fab.open .fab-ring { display: none; }

.fab-badge {
    position: absolute;
    top: -2px; right: -2px;
    min-width: 19px; height: 19px;
    padding: 0 5px;
    background: var(--danger);
    color: var(--white);
    border-radius: 50px;
    font-size: 0.66rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--bg);
    animation: rise 0.4s var(--ease);
}

.fab-badge.hidden { display: none; }

.chat-widget {
    position: fixed;
    right: clamp(1rem, 3vw, 1.75rem);
    bottom: calc(clamp(1rem, 3vw, 1.75rem) + 68px);
    z-index: 1500;
    width: min(370px, calc(100vw - 2rem));
    height: min(520px, calc(100svh - 140px));
    display: flex;
    flex-direction: column;
    background: linear-gradient(175deg, rgba(18, 18, 28, 0.97), rgba(9, 9, 15, 0.99));
    border: 1px solid var(--border-2);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-3), 0 0 70px -35px rgba(124, 92, 255, 0.85);
    backdrop-filter: blur(24px);
    overflow: hidden;
    opacity: 0;
    transform: translateY(16px) scale(0.96);
    pointer-events: none;
    transform-origin: bottom right;
    transition: opacity 0.35s var(--ease), transform 0.4s var(--ease);
}

.chat-widget.open {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.cw-header {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.9rem 1rem;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(135deg, rgba(124, 92, 255, 0.12), transparent);
    flex-shrink: 0;
}

.cw-avatar {
    width: 36px; height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 11px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    flex-shrink: 0;
}

.cw-head-meta { display: flex; flex-direction: column; flex: 1; min-width: 0; }

.cw-name {
    font-size: 0.9rem;
    font-weight: 650;
    color: var(--white);
    letter-spacing: -0.015em;
}

.cw-status {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.7rem;
    color: var(--text-muted);
}

.cw-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px;
    border-radius: 8px;
    transition: var(--t);
    flex-shrink: 0;
}

.cw-close:hover { color: var(--white); background: var(--surface-2); }
.cw-close svg { width: 17px; height: 17px; }

.cw-body {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    scrollbar-width: thin;
    scrollbar-color: var(--border-2) transparent;
}

.cw-body::-webkit-scrollbar { width: 5px; }
.cw-body::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 3px; }

.cw-msg {
    max-width: 82%;
    padding: 0.65rem 0.9rem;
    border-radius: 15px;
    font-size: 0.85rem;
    line-height: 1.55;
    animation: msg-in 0.4s var(--ease) both;
    text-wrap: pretty;
}

@keyframes msg-in {
    from { opacity: 0; transform: translateY(8px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.cw-msg.bot {
    align-self: flex-start;
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--text);
    border-bottom-left-radius: 5px;
}

.cw-msg.user {
    align-self: flex-end;
    background: var(--grad);
    color: #08080f;
    font-weight: 500;
    border-bottom-right-radius: 5px;
    box-shadow: 0 8px 20px -10px rgba(124, 92, 255, 0.9);
}

.cw-typing {
    align-self: flex-start;
    display: inline-flex;
    gap: 4px;
    padding: 0.75rem 0.9rem;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 15px;
    border-bottom-left-radius: 5px;
    animation: msg-in 0.3s var(--ease) both;
}

.cw-typing span {
    width: 5px; height: 5px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: typing 1.3s infinite var(--ease-soft);
}

.cw-typing span:nth-child(2) { animation-delay: 0.16s; }
.cw-typing span:nth-child(3) { animation-delay: 0.32s; }

@keyframes typing {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.45; }
    30% { transform: translateY(-5px); opacity: 1; }
}

.cw-quick {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    padding: 0 1rem 0.7rem;
    flex-shrink: 0;
}

.cw-chip {
    padding: 0.4rem 0.75rem;
    background: var(--surface);
    border: 1px solid var(--border-brand);
    border-radius: 50px;
    color: var(--primary-light);
    font-size: 0.76rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--t);
    animation: msg-in 0.35s var(--ease) both;
}

.cw-chip:hover {
    background: rgba(124, 92, 255, 0.16);
    transform: translateY(-2px);
}

.cw-input {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 0.8rem;
    border-top: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.02);
    flex-shrink: 0;
}

.cw-input input {
    flex: 1;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 0.6rem 0.95rem;
    color: var(--white);
    font-size: 0.85rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.3s;
    min-width: 0;
}

.cw-input input:focus { border-color: var(--border-brand); }
.cw-input input::placeholder { color: var(--text-dim); }

.cw-send {
    width: 36px; height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--grad);
    color: #08080f;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.3s var(--ease);
}

.cw-send:hover { transform: scale(1.08) rotate(8deg); }
.cw-send svg { width: 16px; height: 16px; }

/* ============================================================
   Scroll reveal
   ============================================================ */
.fade-in {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
    .builder-grid { grid-template-columns: 1fr; }
    .builder-preview { position: static; }
    .about-content,
    .contact-content { grid-template-columns: 1fr; }
    .about-values { flex-direction: row; flex-wrap: wrap; }
    .value-card { flex: 1; min-width: 200px; }
}

@media (max-width: 860px) {
    .nav-links {
        position: fixed;
        inset: 0 0 0 auto;
        width: min(78%, 320px);
        background: rgba(9, 9, 15, 0.98);
        backdrop-filter: blur(24px);
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        gap: 0.4rem;
        padding: 2rem;
        transform: translateX(100%);
        transition: transform 0.5s var(--ease);
        border-left: 1px solid var(--border);
        margin-left: 0;
    }

    .nav-links a { font-size: 1.15rem; padding: 0.7rem 1rem; width: 100%; }
    .nav-links.active { transform: translateX(0); }

    .nav-toggle { display: flex; z-index: 1001; order: 3; }
    .lang-switcher { margin-left: auto; z-index: 1001; }

    .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(4.5px, 4.5px); }
    .nav-toggle.active span:nth-child(2) { opacity: 0; }
    .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(4.5px, -4.5px); }

    .cursor-dot, .cursor-ring { display: none; }

    /* Bridge stacks: office → lanes → field */
    .bridge-stage { grid-template-columns: 1fr; }
    .bridge-flow { padding: 0.5rem 0; gap: 1.6rem; }
}

@media (max-width: 620px) {
    .hero { padding: 7.5rem 1.15rem 6rem; }
    .hero-ctas { flex-direction: column; align-items: stretch; }
    .hero-metrics { gap: 1.5rem; }

    .projects-grid { grid-template-columns: 1fr; }
    .builder-modules { grid-template-columns: 1fr; }
    .about-values { flex-direction: column; }

    .timeline::before { left: 47px; }
    .tl-item { grid-template-columns: 34px 26px 1fr; gap: 0.7rem; }

    .marquee-track { gap: 1.8rem; }

    .chat-widget {
        right: 0.75rem;
        left: 0.75rem;
        width: auto;
        bottom: calc(0.75rem + 66px);
        height: min(480px, calc(100svh - 120px));
    }
}

@media (max-width: 400px) {
    .packet { font-size: 0.64rem; padding: 0.28rem 0.55rem; }
    .lane-tag { font-size: 0.56rem; }
}

/* ============================================================
   Reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .particle, .mesh-blob, .page-bg-orb, .packet,
    .marquee-track, .skill-fill::after, .fab-ring,
    .logo-square, .live-dot, .badge-dot {
        animation: none !important;
    }

    .packet { opacity: 1; }
    .cursor-dot, .cursor-ring { display: none; }
    .fade-in, .tl-item { opacity: 1; transform: none; }
}