/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-bg: #0a0a0a;
    --color-surface: #141414;
    --color-border: #222;
    --color-text: #ececec;
    --color-muted: #888;
    --color-accent: #6c5ce7;
    --color-accent-light: #a29bfe;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --max-width: 1120px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3 {
    line-height: 1.2;
    font-weight: 700;
}

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

/* ===== Background Glow Animation ===== */
.bg-glow {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.2;
    will-change: transform;
}

.bg-orb-1 {
    width: 600px;
    height: 600px;
    background: var(--color-accent);
    top: -10%;
    left: -5%;
    animation: drift1 20s ease-in-out infinite;
}

.bg-orb-2 {
    width: 500px;
    height: 500px;
    background: #a29bfe;
    top: 40%;
    right: -10%;
    animation: drift2 25s ease-in-out infinite;
}

.bg-orb-3 {
    width: 400px;
    height: 400px;
    background: #00cec9;
    bottom: -5%;
    left: 30%;
    animation: drift3 22s ease-in-out infinite;
}

@keyframes drift1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25%      { transform: translate(200px, 100px) scale(1.1); }
    50%      { transform: translate(100px, 250px) scale(0.9); }
    75%      { transform: translate(-80px, 120px) scale(1.05); }
}

@keyframes drift2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25%      { transform: translate(-150px, -80px) scale(0.9); }
    50%      { transform: translate(-250px, 60px) scale(1.1); }
    75%      { transform: translate(-100px, -120px) scale(1); }
}

@keyframes drift3 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25%      { transform: translate(120px, -100px) scale(1.08); }
    50%      { transform: translate(-80px, -180px) scale(0.92); }
    75%      { transform: translate(160px, -60px) scale(1.04); }
}

/* ===== Navigation ===== */
.nav, .hero, .services, .about, .cta, .footer {
    position: relative;
    z-index: 1;
}

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 20px 0;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
}

.nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-wordmark {
    letter-spacing: 0.08em;
}

.logo-next {
    font-weight: 700;
    color: #fff;
}

.logo-one {
    font-weight: 700;
    color: var(--color-accent-light);
}

.logo-labs {
    font-weight: 300;
    opacity: 0.5;
    letter-spacing: 0.1em;
}

.logo-icon {
    color: var(--color-accent);
    font-size: 1.4rem;
}

.nav-contact {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-muted);
    transition: color 0.2s;
}

.nav-contact:hover {
    color: var(--color-text);
}

/* ===== Hero ===== */
.hero {
    padding: 180px 0 120px;
    text-align: center;
}

.hero h1 {
    font-size: clamp(2.4rem, 5.5vw, 4.2rem);
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}

.hero h1 em {
    font-style: normal;
    color: var(--color-accent-light);
}

.hero-sub {
    font-size: 1.15rem;
    color: var(--color-muted);
    max-width: 560px;
    margin: 0 auto 40px;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    background: var(--color-accent);
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(108, 92, 231, 0.35);
}

.btn-light {
    background: #fff;
    color: var(--color-bg);
}

.btn-light:hover {
    box-shadow: 0 8px 24px rgba(255, 255, 255, 0.15);
}

/* ===== Services ===== */
.services {
    padding: 100px 0;
}

.services h2, .about h2 {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    text-align: center;
    margin-bottom: 56px;
    letter-spacing: -0.02em;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 40px 32px;
    transition: border-color 0.3s, transform 0.3s;
}

.card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--color-accent-light);
}

.card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.card p {
    color: var(--color-muted);
    font-size: 0.95rem;
}

/* ===== About / Values ===== */
.about {
    padding: 100px 0;
    border-top: 1px solid var(--color-border);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 40px 32px;
}

.value h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.value p {
    color: var(--color-muted);
    font-size: 0.95rem;
}

/* ===== CTA ===== */
.cta {
    padding: 100px 0;
    text-align: center;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
}

.cta h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.cta p {
    color: var(--color-muted);
    font-size: 1.1rem;
    margin-bottom: 36px;
}

/* ===== Footer ===== */
.footer {
    padding: 32px 0;
    border-top: 1px solid var(--color-border);
}

.footer-inner {
    text-align: center;
}

.footer p {
    font-size: 0.85rem;
    color: var(--color-muted);
}

/* ===== Scroll Fade-In ===== */
.fade-in {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

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

/* ===== Responsive ===== */
@media (max-width: 640px) {
    .hero {
        padding: 140px 0 80px;
    }

    .services, .about, .cta {
        padding: 72px 0;
    }

    .card {
        padding: 32px 24px;
    }
}