:root {
    --bg: #000000;
    --text: #ffffff;
    --text-soft: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(204, 219, 255, 0.68);
    --line: rgba(255, 255, 255, 0.1);
    --line-strong: rgba(151, 215, 255, 0.55);
    --card-bg: rgba(20, 20, 20, 0.6);
    --glass-blur: 24px;
    --glow-primary: rgba(0, 163, 255, 0.3);
    --glow-secondary: #6647f233;
    --hero-gradient: linear-gradient(105deg, rgba(179, 228, 255, 0.95) 0%, rgba(83, 164, 255, 0.9) 40%, rgba(48, 91, 244, 0.55) 100%);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Inter", "Segoe UI", Tahoma, sans-serif;
    color: var(--text);
    background: var(--bg);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

body::before,
body::after {
    content: "";
    position: fixed;
    inset: -25vmax;
    pointer-events: none;
    z-index: -3;
}

body::before {
    background:
        radial-gradient(circle at 20% 20%, var(--glow-primary) 0%, transparent 42%),
        radial-gradient(circle at 80% 28%, var(--glow-secondary) 0%, transparent 48%),
        radial-gradient(circle at 50% 90%, rgba(0, 130, 255, 0.16) 0%, transparent 40%);
    filter: blur(40px);
    transform: translate3d(0, 0, 0);
}

body::after {
    background:
        radial-gradient(rgba(255, 255, 255, 0.08) 0.6px, transparent 0.6px);
    background-size: 3px 3px;
    opacity: 0.12;
    z-index: -2;
}

.page {
    width: min(1140px, 92vw);
    margin: 0 auto;
    padding: 13px 0 84px;
    position: relative;
    z-index: 2;
}

.page::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -1;
    background:
        radial-gradient(circle at 50% -10%, rgba(0, 163, 255, 0.14), transparent 48%),
        radial-gradient(circle at 50% 120%, rgba(46, 0, 255, 0.14), transparent 40%);
}

.section {
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: var(--card-bg);
    margin-top: 18px;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    box-shadow:
        inset 0 1px 1px rgba(255, 255, 255, 0.1),
        0 28px 80px rgba(0, 0, 0, 0.45);
    position: relative;
    z-index: 3;
}

.hero {
    margin-top: 0;
    margin-bottom: 6px;
    position: relative;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
}

.hero-video video {
    position: absolute;
    top: 50%;
    left: 50%;
    /* width: 100vmax; */
    /* height: 100vmax; */
    
    transform: translate(-50%, -50%) rotate(90deg);
    object-fit: cover;
    filter: blur(1px);
}

.hero-noise {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background:
        linear-gradient(180deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.25) 100%),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
    opacity: 0.66;
}

.hero .section-head {
    position: relative;
    z-index: 2;
}

.hero-title {
    margin-bottom: 26px;
}

.hero::after {
    content: "";
    position: absolute;
    width: min(55vw, 720px);
    aspect-ratio: 1 / 1;
    right: -18%;
    top: -40%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 163, 255, 0.45) 0%, rgba(0, 163, 255, 0.18) 38%, transparent 72%);
    filter: blur(14px);
    animation: drift 12s ease-in-out infinite;
    pointer-events: none;
    z-index: 2;
}

.section-head {
    margin-bottom: 18px;
}

.eyebrow {
    margin: 0 0 10px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 12px;
    font-weight: 600;
    color: rgba(159, 197, 255, 0.78);
}

h1,
h2,
h3,
p,
ul {
    margin-top: 0;
}

h1,
h2 {
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(48px, 10vw, 130px);
    margin-bottom: 12px;
    line-height: 0.92;
    color: #fff;
    text-shadow: 0 0 36px rgba(0, 163, 255, 0.2);
}

h2 {
    font-size: clamp(26px, 4.3vw, 40px);
    margin-bottom: 0;
    color: #fff;
}

h3 {
    color: #fff;
    font-weight: 600;
}

.lead {
    max-width: 68ch;
    color: rgba(255, 255, 255, 0.6);
    font-size: 18px;
    line-height: 1.55;
}

.grid {
    display: grid;
    gap: 14px;
}

.grid.two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.four {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card,
.placeholder {
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 16px;
    background: rgba(16, 16, 16, 0.7);
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.1);
}

.card.accent {
    border-color: rgba(151, 215, 255, 0.55);
    box-shadow:
        inset 0 1px 1px rgba(255, 255, 255, 0.14),
        0 0 0 1px rgba(125, 211, 252, 0.14),
        0 0 28px rgba(0, 163, 255, 0.22);
}

.card h3 {
    display: flex;
    align-items: center;
    gap: 8px;
}

.card p,
.card li,
.hint,
.placeholder p {
    color: var(--text-soft);
    line-height: 1.55;
}

.card li {
    list-style: none;
    position: relative;
    padding-left: 24px;
}

.card li::before {
    content: "";
    width: 12px;
    height: 12px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.08);
    position: absolute;
    left: 0;
    top: 0.52em;
    transform: translateY(-50%);
}

ul {
    padding-left: 0;
    margin-bottom: 0;
}

.placeholder {
    border-style: dashed;
    background: rgba(10, 10, 10, 0.5);
}

.placeholder.wide {
    min-height: 170px;
}

.approach-split {
    display: flex;
    align-items: center;
    gap: 32px;
}

.approach-split > .section-head {
    flex: 1 1 50%;
    min-width: 0;
    margin-bottom: 0;
}

.approach-video {
    flex: 0 0 50%;
    min-width: 0;
    aspect-ratio: 1 / 1;
    max-width: 380px;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
}

.approach-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.approach-noise {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
    opacity: 0.35;
}

.modules-section {
    background: var(--card-bg);
    border-color: rgba(60, 100, 180, 0.15);
    overflow: hidden;
}

.modules-split {
    display: flex;
    gap: 24px;
    align-items: stretch;
}

.modules-split > .cosmos {
    flex: 0 1 45%;
    min-width: 0;
    min-height: 420px;
}

.module-slides {
    flex: 0 0 45%;
    min-width: 0;
    position: relative;
    aspect-ratio: 1 / 1;
    border-radius: 16px;
    overflow: hidden;
}

.module-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.6s ease;
}

.module-slide.active {
    opacity: 1;
    pointer-events: auto;
}

.module-slide video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.module-slide-noise {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
    opacity: 0.29;
}

.module-slide-label {
    position: absolute;
    bottom: 12px;
    left: 12px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.72);
    border: 1px solid rgba(100, 180, 255, 0.2);
    color: #e0ecff;
    font-size: 13px;
    font-weight: 500;
    z-index: 2;
}

.module-slide-label svg {
    width: 14px;
    height: 14px;
    stroke-width: 1.8;
    color: rgba(120, 190, 255, 0.8);
}

.module-slide--more {
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 14, 24, 0.8);
    border: 1px solid rgba(100, 180, 255, 0.1);
    border-radius: 16px;
}

.module-more {
    padding: 24px;
    text-align: center;
}

.module-more h3 {
    font-size: 16px;
    margin-bottom: 16px;
    color: rgba(200, 220, 255, 0.85);
}

.module-more-chips {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}

.mod-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(12, 18, 35, 0.85);
    border: 1px solid rgba(100, 180, 255, 0.18);
    color: rgba(200, 220, 255, 0.75);
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
}

.mod-chip svg {
    width: 12px;
    height: 12px;
    stroke-width: 1.8;
    color: rgba(120, 190, 255, 0.7);
}

.cosmos {
    position: relative;
    min-height: 480px;
}

.cosmos-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.cosmos-center {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    margin: 0;
    padding: 12px 28px;
    border-radius: 999px;
    background: #ffffff;
    color: #000000;
    font-weight: 700;
    font-size: 18px;
    z-index: 2;
    box-shadow: 0 0 40px rgba(100, 180, 255, 0.4), 0 0 80px rgba(60, 120, 255, 0.2);
}

.cosmos-mod {
    position: absolute;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: 999px;
    background: rgba(12, 18, 35, 0.92);
    border: 1px solid rgba(100, 180, 255, 0.25);
    color: #e0ecff;
    white-space: nowrap;
    font-size: 14px;
    font-weight: 500;
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.85);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.cosmos-mod.revealed {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.cosmos-mod svg {
    width: 14px;
    height: 14px;
    stroke-width: 1.8;
    color: rgba(120, 190, 255, 0.8);
}

/* ── Mockup frames ── */
.mockup-frame {
    position: absolute;
    inset: 0;
    border-radius: 16px;
    border: 1px solid rgba(100, 180, 255, 0.15);
    background: rgba(14, 18, 30, 0.88);
    box-shadow:
        inset 0 1px 1px rgba(255, 255, 255, 0.08),
        0 8px 32px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.6s ease;
}

.mockup-frame.active {
    opacity: 1;
    pointer-events: auto;
}

.mockup-titlebar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.mockup-dots {
    display: flex;
    gap: 6px;
}

.mockup-dots i {
    display: block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
}

.mockup-title-icon {
    width: 14px;
    height: 14px;
    color: rgba(120, 190, 255, 0.7);
    stroke-width: 1.8;
}

.mockup-title-text {
    font-size: 13px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
}

.mockup-body {
    flex: 1;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mockup-body-center {
    align-items: center;
    justify-content: center;
    gap: 14px;
}

/* Todo mockup */
.mock-task {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
    cursor: default;
    transition: background 0.25s;
}

.mock-check {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    border-radius: 5px;
    border: 1.5px solid rgba(100, 180, 255, 0.35);
    background: transparent;
    position: relative;
    transition: border-color 0.25s, background 0.25s;
}

.mock-check.checked {
    background: rgba(60, 140, 255, 0.85);
    border-color: rgba(60, 140, 255, 0.85);
}

.mock-check.checked::after {
    content: "";
    position: absolute;
    left: 5px;
    top: 2px;
    width: 5px;
    height: 9px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Timer mockup */
.mock-task-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 500;
    letter-spacing: 0.04em;
}

.mock-timer {
    font-size: 42px;
    font-weight: 700;
    color: #fff;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.04em;
}

.mock-btn {
    padding: 8px 28px;
    border-radius: 999px;
    border: 1px solid rgba(100, 180, 255, 0.3);
    background: rgba(60, 140, 255, 0.15);
    color: rgba(140, 200, 255, 0.9);
    font-size: 14px;
    font-weight: 600;
    cursor: default;
}

/* Timer select */
.mock-select {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    border-radius: 10px;
    border: 1px solid rgba(100, 180, 255, 0.2);
    background: rgba(255, 255, 255, 0.04);
    color: rgba(255, 255, 255, 0.4);
    font-size: 13px;
    width: 100%;
    max-width: 220px;
    transition: border-color 0.3s, background 0.3s;
}

.mock-select.selected {
    border-color: rgba(100, 180, 255, 0.4);
    background: rgba(60, 140, 255, 0.08);
    color: rgba(255, 255, 255, 0.8);
}

.mock-select-icon { width: 14px; height: 14px; flex-shrink: 0; stroke-width: 1.8; }
.mock-select-chevron { width: 12px; height: 12px; flex-shrink: 0; margin-left: auto; stroke-width: 2; }

/* Connect button */
.mock-connect {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 16px;
    border-radius: 999px;
    border: 1px dashed rgba(100, 180, 255, 0.25);
    background: transparent;
    color: rgba(140, 200, 255, 0.7);
    font-size: 12px;
    font-weight: 500;
    cursor: default;
    transition: border-color 0.3s, background 0.3s, color 0.3s;
}

.mock-connect svg { width: 13px; height: 13px; stroke-width: 2; }

.mock-connect.linked {
    border-style: solid;
    border-color: rgba(60, 140, 255, 0.5);
    background: rgba(60, 140, 255, 0.12);
    color: rgba(180, 220, 255, 0.95);
}

/* Endurance mockup */
.mock-counter {
    font-size: 36px;
    font-weight: 700;
    color: #fff;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.02em;
}

/* Problem section */
.problem-tools {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    padding: 4px 0 24px;
}

.tool-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 16px;
    border-radius: 10px;
    background: rgba(12, 16, 28, 0.5);
    border: 1px dashed rgba(100, 170, 255, 0.22);
    color: var(--text-soft);
    font-size: 13px;
    font-weight: 500;
    animation: chipFloat 3.5s ease-in-out infinite;
}

.tool-chip svg {
    width: 15px;
    height: 15px;
    color: rgba(100, 170, 255, 0.6);
    stroke-width: 1.8;
}

.tool-chip:nth-child(2) { animation-delay: -0.5s; animation-duration: 3.8s; }
.tool-chip:nth-child(3) { animation-delay: -1.1s; animation-duration: 3.2s; }
.tool-chip:nth-child(4) { animation-delay: -1.6s; animation-duration: 4s; }
.tool-chip:nth-child(5) { animation-delay: -0.3s; animation-duration: 3.4s; }
.tool-chip:nth-child(6) { animation-delay: -0.9s; animation-duration: 3.7s; }

.problem-card {
    text-align: center;
    padding: 24px 16px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(16, 16, 16, 0.7);
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.06);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.problem-card.revealed {
    opacity: 1;
    transform: translateY(0);
}

.problem-card h3 {
    font-size: 16px;
    margin-bottom: 6px;
}

.problem-card p {
    color: var(--text-soft);
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 0;
}

.problem-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 14px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: rgba(0, 120, 255, 0.07);
    border: 1px solid rgba(80, 160, 255, 0.15);
    animation: iconPulse 2.8s ease-in-out infinite;
}

.problem-icon svg {
    color: rgba(100, 180, 255, 0.8);
    width: 22px;
    height: 22px;
    stroke-width: 1.5;
}

.problem-card:nth-child(2) .problem-icon { animation-delay: 0.7s; }
.problem-card:nth-child(3) .problem-icon { animation-delay: 1.4s; }
.problem-card:nth-child(4) .problem-icon { animation-delay: 2.1s; }

.audience-section {
    text-align: center;
}

.audience-stage {
    position: relative;
    min-height: 220px;
    padding: 30px 0 10px;
}

.aud-block {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
    opacity: 0;
    white-space: nowrap;
}

.aud-icons {
    display: flex;
    align-items: center;
    gap: 16px;
}

.aud-icons--company {
    flex-direction: column;
    gap: 10px;
}

.aud-icon {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(60, 140, 255, 0.1);
    border: 1.5px solid rgba(100, 180, 255, 0.3);
    display: grid;
    place-items: center;
}

.aud-icon svg {
    width: 22px;
    height: 22px;
    color: rgba(140, 200, 255, 0.9);
    stroke-width: 1.5;
}

.aud-icon--big {
    width: 68px;
    height: 68px;
    background: rgba(60, 140, 255, 0.15);
    border-color: rgba(100, 180, 255, 0.45);
}

.aud-icon--big svg {
    width: 30px;
    height: 30px;
}

.aud-icon--sm {
    width: 36px;
    height: 36px;
}

.aud-icon--sm svg {
    width: 15px;
    height: 15px;
}

.aud-company-row {
    display: flex;
    gap: 8px;
}

.aud-label {
    font-size: clamp(28px, 5vw, 42px);
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.card h3 svg {
    color: #ffffff;
    width: 18px;
    height: 18px;
    stroke-width: 1.5;
}

.ai-panel .chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.ai-panel .chips span {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 8px 12px;
    background: rgba(17, 17, 17, 0.66);
    color: var(--text-muted);
    animation: pulse 2.8s ease-in-out infinite;
}

.ai-panel .chips span:nth-child(2) { animation-delay: 0.4s; }
.ai-panel .chips span:nth-child(3) { animation-delay: 0.8s; }
.ai-panel .chips span:nth-child(4) { animation-delay: 1.2s; }

.hint {
    margin-top: 12px;
    font-size: 14px;
    color: var(--text-muted);
}

button,
.btn-pill {
    border: 0;
    border-radius: 999px;
    padding: 10px 18px;
    background: #ffffff;
    color: #000000;
    font-weight: 600;
}

.toggle {
    width: 52px;
    height: 30px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(20, 20, 20, 0.6);
    position: relative;
}

.toggle::after {
    content: "";
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #ffffff;
    position: absolute;
    top: 3px;
    left: 3px;
}

@keyframes chipFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-3px) rotate(1deg); }
}

@keyframes iconPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(0, 140, 255, 0); }
    50% { box-shadow: 0 0 18px 2px rgba(0, 140, 255, 0.12); }
}

@keyframes pulse {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

@keyframes drift {
    0%, 100% { transform: translateY(0px) translateX(0px); }
    50% { transform: translateY(18px) translateX(-20px); }
}

@keyframes centerPulse {
    0% { box-shadow: 0 0 40px rgba(100, 180, 255, 0.4), 0 0 80px rgba(60, 120, 255, 0.2); }
    100% { box-shadow: 0 0 55px rgba(100, 180, 255, 0.55), 0 0 110px rgba(60, 120, 255, 0.3); }
}

/* ── About section ── */
.about-section { padding-bottom: 40px; }
.about-section .section-head { margin-bottom: 28px; }

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 24px;
}

.about-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 20px 12px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(16, 16, 16, 0.52);
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.about-stat.revealed {
    opacity: 1;
    transform: translateY(0);
}

.about-stat svg {
    width: 22px;
    height: 22px;
    color: rgba(100, 180, 255, 0.7);
    stroke-width: 1.5;
}

.about-stat-num {
    font-size: 28px;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.02em;
}

.about-stat-label {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

.about-section a {
    color: rgba(140, 200, 255, 0.9);
    text-decoration: none;
    border-bottom: 1px solid rgba(140, 200, 255, 0.3);
    transition: border-color 0.2s;
}
.about-section a:hover { border-color: rgba(140, 200, 255, 0.7); }

.about-grid { align-items: start; }

.btn-contact {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    padding: 12px 24px;
    border-radius: 999px;
    border: 1px solid rgba(100, 180, 255, 0.35);
    background: rgba(60, 140, 255, 0.12);
    color: rgba(160, 210, 255, 0.95);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}
.btn-contact:hover {
    background: rgba(60, 140, 255, 0.22);
    border-color: rgba(100, 180, 255, 0.55);
}
.btn-contact svg { width: 16px; height: 16px; stroke-width: 2; }

.donate-options {
    display: flex;
    gap: 12px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.donate-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(16, 16, 16, 0.52);
    color: var(--text-soft);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s, border-color 0.2s;
}
.donate-btn:hover {
    background: rgba(40, 40, 40, 0.6);
    border-color: rgba(255, 255, 255, 0.2);
}
.donate-btn svg { width: 16px; height: 16px; stroke-width: 1.8; }

/* ── Modals ── */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s;
}
.modal-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.modal {
    background: rgba(16, 18, 24, 0.95);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 32px;
    max-width: 400px;
    width: 90vw;
    position: relative;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}
.modal--wide { max-width: 520px; }

.modal-close {
    position: absolute;
    top: 14px;
    right: 14px;
    background: none;
    border: none;
    color: var(--text-soft);
    cursor: pointer;
    padding: 4px;
}
.modal-close svg { width: 18px; height: 18px; }

.modal h3 {
    margin-bottom: 8px;
    font-size: 20px;
}

.modal-hint {
    color: var(--text-soft);
    font-size: 14px;
    margin-bottom: 20px;
    line-height: 1.5;
}

.crypto-badges {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.crypto-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 12px;
    border-radius: 999px;
    background: rgba(60, 140, 255, 0.1);
    border: 1px solid rgba(100, 180, 255, 0.2);
    color: rgba(140, 200, 255, 0.9);
    font-size: 11px;
    font-weight: 600;
}
.crypto-badge svg {
    width: 12px;
    height: 12px;
}
.crypto-qr {
    display: flex;
    justify-content: center;
    padding: 12px 0 4px;
}
.crypto-qr canvas {
    border-radius: 12px;
}
.crypto-scan-hint {
    text-align: center;
    color: var(--text-muted);
    font-size: 12px;
    margin: 0 0 14px;
}

.crypto-address {
    padding: 14px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--line);
    font-family: monospace;
    font-size: 13px;
    color: #fff;
    word-break: break-all;
    margin-bottom: 14px;
}

.btn-copy {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(16, 16, 16, 0.52);
    color: var(--text-soft);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}
.btn-copy svg { width: 14px; height: 14px; }

/* ── Contact form ── */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 12px;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-bottom: 0;
}

.form-field:last-child:not(.form-row .form-field) {
    margin-bottom: 12px;
}

.form-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-soft);
    letter-spacing: 0.04em;
}
.form-label .req { color: rgba(140, 200, 255, 0.8); }

.form-field input,
.form-field textarea {
    padding: 10px 14px;
    border-radius: 10px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.04);
    color: #fff;
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
    resize: vertical;
}
.form-field input:focus,
.form-field textarea:focus {
    border-color: rgba(100, 180, 255, 0.4);
}
.form-field input::placeholder,
.form-field textarea::placeholder {
    color: rgba(255, 255, 255, 0.2);
}

.form-field {
    position: relative;
}
.form-field-error {
    position: absolute;
    bottom: calc(100% - 2px);
    left: 8px;
    right: 8px;
    padding: 5px 10px;
    border-radius: 8px;
    background: rgba(200, 50, 50, 0.92);
    color: #fff;
    font-size: 11px;
    line-height: 1.3;
    pointer-events: none;
    z-index: 10;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.2s, transform 0.2s;
}
.form-field-error.visible {
    opacity: 1;
    transform: translateY(0);
}
.form-field-error::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 16px;
    width: 8px;
    height: 8px;
    background: rgba(200, 50, 50, 0.92);
    transform: rotate(45deg);
}
.form-field.has-error input,
.form-field.has-error textarea {
    border-color: rgba(255, 100, 100, 0.6);
}
.form-field.has-error input:focus,
.form-field.has-error textarea:focus {
    border-color: rgba(255, 100, 100, 0.8);
}
.form-error {
    color: rgba(255, 120, 120, 0.9);
    font-size: 13px;
    min-height: 20px;
    margin-bottom: 4px;
}

.btn-submit {
    width: 100%;
    padding: 12px;
    border-radius: 999px;
    border: none;
    background: #fff;
    color: #000;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: opacity 0.2s;
}
.btn-submit:disabled { opacity: 0.5; cursor: default; }

/* ── Privacy page ── */
.privacy-section h2 {
    font-size: 20px;
    margin-top: 32px;
    margin-bottom: 8px;
}
.privacy-content p {
    color: var(--text-soft);
    line-height: 1.7;
    font-size: 15px;
    margin-bottom: 12px;
}
.privacy-content a {
    color: rgba(140, 200, 255, 0.9);
    text-decoration: none;
    border-bottom: 1px solid rgba(140, 200, 255, 0.3);
}
.back-link {
    color: rgba(159, 197, 255, 0.78);
    text-decoration: none;
    text-transform: none;
    letter-spacing: 0;
    font-weight: 500;
}

/* ── Footer ── */
.site-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    margin-top: 18px;
    font-size: 13px;
    color: var(--text-muted);
    width: min(1140px, 92vw);
    margin-left: auto;
    margin-right: auto;
}
.site-footer a {
    color: var(--text-muted);
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: color 0.2s;
}
.site-footer a:hover { color: var(--text-soft); }

/* ── Top bar ── */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
}
.social-links {
    display: flex;
    gap: 6px;
}
.social-link {
    display: grid;
    place-items: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 1px solid var(--line);
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s, border-color 0.2s;
}
.social-link:hover {
    color: var(--text-soft);
    border-color: rgba(255,255,255,0.2);
}
.social-link svg {
    width: 14px;
    height: 14px;
}

/* ── Language switcher (top bar) ── */
.lang-switcher {
    display: flex;
    gap: 6px;
}
.lang-link {
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid var(--line);
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: border-color 0.2s, color 0.2s;
}
.lang-link:hover { color: var(--text-soft); border-color: rgba(255,255,255,0.2); }
.lang-link.active {
    color: #fff;
    border-color: rgba(100, 180, 255, 0.4);
    background: rgba(60, 140, 255, 0.12);
}

/* ── Footer social ── */
.footer-social {
    display: flex;
    align-items: center;
    gap: 12px;
}
.footer-social a {
    color: var(--text-muted);
    border-bottom: none !important;
    display: grid;
    place-items: center;
    transition: color 0.2s;
}
.footer-social a:hover { color: var(--text-soft); }
.footer-social svg {
    width: 15px;
    height: 15px;
    display: block;
}

/* ── Footer lang dropdown ── */
.footer-right {
    display: flex;
    align-items: center;
    gap: 14px;
}
.lang-dropdown {
    position: relative;
}
.lang-dropdown-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid var(--line) !important;
    background: transparent !important;
    color: var(--text-muted) !important;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s;
}
.lang-dropdown-btn:hover {
    color: var(--text-soft) !important;
    border-color: rgba(255,255,255,0.2) !important;
}
.lang-dropdown-menu {
    position: absolute;
    bottom: calc(100% + 4px);
    right: 0;
    background: rgba(16, 18, 24, 0.97);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 4px;
    min-width: 60px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.5);
    z-index: 100;
    visibility: hidden;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.15s, visibility 0.15s, transform 0.15s;
    pointer-events: none;
}
.lang-dropdown.open .lang-dropdown-menu {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}
.lang-dropdown-menu a {
    display: block;
    padding: 6px 12px;
    color: var(--text-muted);
    text-decoration: none;
    border-bottom: none !important;
    font-size: 12px;
    font-weight: 600;
    border-radius: 6px;
    transition: background 0.15s, color 0.15s;
}
.lang-dropdown-menu a:hover {
    background: rgba(60, 140, 255, 0.12);
    color: #fff;
}
.lang-dropdown-menu a.active {
    color: #fff;
}

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

    .section {
        padding: 20px;
    }

    .grid.four {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .approach-split {
        flex-direction: column;
    }

    .approach-video {
        max-width: 100%;
        aspect-ratio: 1 / 1;
    }

    .modules-split {
        flex-direction: column;
    }

    .modules-split > .cosmos,
    .module-slides {
        flex: none;
        width: 100%;
    }

    .module-slides {
        aspect-ratio: 1 / 1;
        max-width: 400px;
        margin: 0 auto;
    }

    .cosmos {
        min-height: 400px;
    }

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

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

    .site-footer {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .footer-right {
        gap: 12px;
    }
}