:root {
    --bg: #ffffff;
    --bg-soft: #f7f7f5;
    --ink: #14151a;
    --ink-soft: #5a5d68;
    --line: #e7e7e3;
    --accent: #3354ff;
    --radius: 18px;
    --maxw: 1180px;
    --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
    --sans: 'Inter Tight', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--sans);
    background: var(--bg);
    color: var(--ink);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

.skip-link {
    position: absolute;
    left: 1rem;
    top: -100px;
    z-index: 100;
    padding: 0.7rem 1.1rem;
    background: var(--ink);
    color: #fff;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 8px;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 1rem;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem clamp(1.25rem, 4vw, 3rem);
    background: rgba(255, 255, 255, 0.78);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease, background 0.3s ease;
}

.site-header.scrolled {
    border-bottom-color: var(--line);
}

.brand {
    font-family: var(--serif);
    font-size: 1.15rem;
    font-weight: 500;
    letter-spacing: -0.01em;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: clamp(1rem, 2.5vw, 2.25rem);
    font-size: 0.92rem;
    font-weight: 500;
}

.site-nav > a {
    color: var(--ink-soft);
    transition: color 0.2s ease;
}

.site-nav > a:hover {
    color: var(--ink);
}

.lang-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.7rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.lang-toggle a {
    color: var(--ink-soft);
    transition: color 0.2s ease;
}

.lang-toggle a.is-active {
    color: var(--ink);
}

.lang-toggle a:hover {
    color: var(--accent);
}

.lang-sep {
    color: var(--line);
}

.eyebrow {
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-soft);
    margin-bottom: 1.1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    padding: 0.95rem 1.7rem;
    border-radius: 12px;
    font-family: var(--sans);
    font-weight: 600;
    font-size: 0.98rem;
    letter-spacing: -0.01em;
    position: relative;
    isolation: isolate;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease, color 0.25s ease;
}

.btn::after {
    content: "→";
    font-size: 1.05em;
    line-height: 1;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn:hover::after {
    transform: translateX(4px);
}

.btn-primary {
    color: #fff;
    background: var(--ink);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.12) inset,
                0 10px 24px -12px rgba(20, 21, 26, 0.55);
}

.btn-primary::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    border-radius: inherit;
    background: linear-gradient(120deg, #6363f1, #3498ea 45%, #40dfa3);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 38px -14px rgba(52, 152, 234, 0.6);
}

.btn-primary:hover::before {
    opacity: 1;
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 7rem clamp(1.25rem, 4vw, 3rem) 4rem;
    position: relative;
    overflow: hidden;
}

.hero-inner {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: var(--maxw);
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: clamp(2rem, 6vw, 6rem);
}

.hero-text {
    flex: 1 1 52%;
    max-width: 560px;
    position: relative;
    z-index: 2;
}

.hero-heading {
    font-family: var(--serif);
    font-size: clamp(2.8rem, 6vw, 5rem);
    font-weight: 600;
    line-height: 1.04;
    letter-spacing: -0.02em;
    margin-bottom: 1.6rem;
}

.home-hero-gradient {
    background-image: linear-gradient(45deg, #a163f1, #6363f1 22%, #3498ea 40%, #40dfa3 67%, rgba(64, 223, 163, 0));
    background-size: 150% 100%;
    background-repeat: no-repeat;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: intro-gradient 1.2s cubic-bezier(0.85, 0.26, 0.89, 0.93);
    animation-iteration-count: 1;
    animation-fill-mode: backwards;
    animation-delay: 0.4s;
}

@keyframes intro-gradient {
    from { background-position: 300% 100%; }
    to { background-position: 0% 100%; }
}

.hero-sub {
    font-size: clamp(1.05rem, 1.5vw, 1.25rem);
    color: var(--ink-soft);
    max-width: 34em;
    margin-bottom: 2.2rem;
}

.hero-tags {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem 0.6rem;
    margin-top: 0.4rem;
}

.hero-tags li {
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    color: var(--ink-soft);
    padding: 0.4rem 0.85rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.6);
    transition: border-color 0.25s ease, color 0.25s ease;
}

.hero-tags li:hover {
    color: var(--ink);
    border-color: #c9c9c3;
}

.scroll-cue {
    position: absolute;
    left: 50%;
    bottom: 2.2rem;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.74rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink-soft);
    z-index: 3;
}

.scroll-cue-line {
    width: 1px;
    height: 38px;
    background: linear-gradient(to bottom, var(--ink-soft), transparent);
    position: relative;
    overflow: hidden;
}

.scroll-cue-line::after {
    content: "";
    position: absolute;
    top: -40%;
    left: 0;
    width: 100%;
    height: 40%;
    background: var(--ink);
    animation: scroll-trail 1.8s ease-in-out infinite;
}

@keyframes scroll-trail {
    0% { top: -40%; }
    60%, 100% { top: 120%; }
}

.scroll-cue:hover {
    color: var(--ink);
}

.hero-animation {
    flex: 1 1 48%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    height: 600px;
    max-width: 600px;
    z-index: 1;
    pointer-events: none;
}

#canvas {
    position: absolute;
    width: 760px;
    height: 760px;
    max-width: 130%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: transparent;
}

.section-inner {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: clamp(4rem, 9vw, 8rem) clamp(1.25rem, 4vw, 3rem);
}

.section-head {
    max-width: 720px;
    margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-title {
    font-family: var(--serif);
    font-size: clamp(1.9rem, 3.6vw, 3rem);
    font-weight: 500;
    line-height: 1.12;
    letter-spacing: -0.02em;
}

.section-intro {
    margin-top: 1.1rem;
    font-size: clamp(1rem, 1.4vw, 1.2rem);
    color: var(--ink-soft);
    max-width: 38em;
}

.cap-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.cap-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 2rem 1.9rem 2.2rem;
    background: var(--bg);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.cap-card:hover {
    transform: translateY(-4px);
    border-color: transparent;
    box-shadow: 0 24px 50px -28px rgba(20, 21, 26, 0.35);
}

.cap-index {
    font-family: var(--serif);
    font-size: 0.95rem;
    color: var(--accent);
    font-weight: 600;
}

.cap-card h3 {
    font-family: var(--serif);
    font-size: 1.4rem;
    font-weight: 500;
    margin: 0.9rem 0 0.7rem;
    letter-spacing: -0.01em;
}

.cap-card p {
    color: var(--ink-soft);
    font-size: 0.98rem;
}

.approach {
    background: var(--bg-soft);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.approach-inner {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: clamp(2.5rem, 6vw, 6rem);
    align-items: center;
}

.approach-stats {
    display: flex;
    flex-direction: column;
    gap: 1.6rem;
}

.stat {
    display: flex;
    flex-direction: column;
    padding-bottom: 1.4rem;
    border-bottom: 1px solid var(--line);
}

.stat:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.stat-num {
    font-family: var(--serif);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.stat-label {
    color: var(--ink-soft);
    font-size: 0.98rem;
    margin-top: 0.3rem;
}

.contact-inner {
    text-align: center;
    max-width: 720px;
}

.contact-inner .eyebrow,
.contact-inner .section-intro {
    margin-left: auto;
    margin-right: auto;
}

.contact-inner .section-intro {
    margin-bottom: 2rem;
}

.site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 2rem clamp(1.25rem, 4vw, 3rem);
    border-top: 1px solid var(--line);
    font-size: 0.88rem;
    color: var(--ink-soft);
}

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: none;
}

@media (max-width: 1024px) {
    #canvas { width: 600px; height: 600px; }
}

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

@media (max-width: 768px) {
    .site-nav { gap: 1rem; }
    .site-nav > a { display: none; }
    .hero-inner { flex-direction: column; text-align: center; }
    .hero-text { max-width: none; flex-basis: auto; }
    .hero-sub { margin-left: auto; margin-right: auto; }
    .hero-tags { justify-content: center; }
    .hero-animation { display: none; }
    .hero { min-height: auto; padding-top: 8rem; padding-bottom: 5rem; }
    .scroll-cue { display: none; }
}

@media (max-width: 480px) {
    .hero { padding-left: 1rem; padding-right: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; transition: none; }
    .home-hero-gradient { animation: none; }
    .scroll-cue-line::after { animation: none; }
}