:root {
    --ink: #1c2130;
    --muted: #5d6478;
    --bg: #fbfafc;
    --card: #ffffff;
    --brand: #5b7cf2;
    --brand-dark: #3f5dd8;
    --accent: #f4a940;
    --ring: rgba(91, 124, 242, 0.35);
    --radius: 16px;
    --shadow: 0 10px 30px rgba(28, 33, 48, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: "Instrument Sans", system-ui, -apple-system, sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.6;
}

.container {
    width: min(1120px, 100% - 3rem);
    margin-inline: auto;
}

/* ---------- nav ---------- */
.nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(251, 250, 252, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(28, 33, 48, 0.06);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.2rem;
    text-decoration: none;
    color: var(--ink);
}

.logo-mark {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, #8aa4ff, var(--brand));
    color: #fff;
    display: inline-block;
    padding: 3px;
}

.nav-links { display: flex; gap: 1.75rem; align-items: center; }

.nav-links a {
    color: var(--muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
}

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

.nav-cta {
    padding: 0.45rem 1rem;
    border: 1px solid var(--ring);
    border-radius: 999px;
    color: var(--brand-dark) !important;
}

.nav-toggle {
    display: none;
    background: none;
    border: 0;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    gap: 5px;
}

.nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: 0.2s;
}

/* ---------- hero ---------- */
.hero {
    padding: 5.5rem 0 4.5rem;
    background:
        radial-gradient(60% 80% at 80% 10%, rgba(244, 169, 64, 0.14), transparent),
        radial-gradient(50% 70% at 10% 0%, rgba(91, 124, 242, 0.12), transparent);
}

.hero-inner {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
    align-items: center;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--brand-dark);
    margin: 0 0 0.75rem;
}

h1 {
    font-size: clamp(2.1rem, 4.5vw, 3.3rem);
    line-height: 1.12;
    margin: 0 0 1.25rem;
    letter-spacing: -0.02em;
}

h1 em {
    font-style: normal;
    color: var(--brand-dark);
}

h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    line-height: 1.2;
    margin: 0 0 2rem;
    letter-spacing: -0.015em;
}

h3 { margin: 0 0 0.5rem; font-size: 1.1rem; }

.lede {
    color: var(--muted);
    font-size: 1.1rem;
    max-width: 42ch;
    margin: 0 0 2rem;
}

.hero-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 999px;
    font-weight: 600;
    text-decoration: none;
    font-size: 1rem;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
    background: var(--brand);
    color: #fff;
    box-shadow: 0 8px 20px rgba(91, 124, 242, 0.35);
}

.btn-primary:hover { background: var(--brand-dark); }

.btn-ghost {
    color: var(--ink);
    border: 1px solid rgba(28, 33, 48, 0.15);
}

.btn-ghost:hover { border-color: var(--ink); }

.btn-lg { padding: 1rem 2rem; font-size: 1.1rem; }

/* hero mock chat */
.mock {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    max-width: 380px;
    margin-left: auto;
    border: 1px solid rgba(28, 33, 48, 0.06);
}

.mock-header {
    display: flex;
    gap: 6px;
    padding: 12px 16px;
    border-bottom: 1px solid rgba(28, 33, 48, 0.06);
}

.dot { width: 9px; height: 9px; border-radius: 50%; background: #e3e6f0; }

.mock-body { padding: 16px; display: grid; gap: 10px; }

.mock-msg {
    padding: 10px 14px;
    border-radius: 14px;
    font-size: 0.92rem;
    max-width: 85%;
}

.mock-msg p { margin: 2px 0 0; }

.mock-msg--in { background: #eef1fb; border-top-left-radius: 4px; }

.mock-msg--out {
    background: var(--brand);
    color: #fff;
    justify-self: end;
    border-top-right-radius: 4px;
}

.mock-badge {
    font-size: 0.8rem;
    color: #2e7d4f;
    font-weight: 600;
    padding: 4px 0;
}

/* ---------- sections ---------- */
.section { padding: 4.5rem 0; }

/* a sticky nav ne takarja az anchor-celakat */
.hero, .section { scroll-margin-top: 72px; }

.section--alt { background: #f3f4fa; }

.grid { display: grid; gap: 1.25rem; }

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

.card {
    background: var(--card);
    border-radius: var(--radius);
    padding: 1.6rem;
    box-shadow: var(--shadow);
    border: 1px solid rgba(28, 33, 48, 0.05);
}

.card p, .role li { color: var(--muted); }

.card-icon { font-size: 1.6rem; margin-bottom: 0.75rem; }

.role {
    background: var(--card);
    border-radius: var(--radius);
    padding: 1.6rem;
    border: 1px solid rgba(28, 33, 48, 0.06);
}

.role ul { margin: 0.5rem 0 0; padding-left: 1.1rem; }

.role li { margin-bottom: 0.35rem; }

/* ---------- biztonsag ---------- */
.split {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: center;
}

.checklist {
    list-style: none;
    margin: 0;
    padding: 0;
}

.checklist li {
    padding-left: 1.9rem;
    position: relative;
    margin-bottom: 0.75rem;
    color: var(--muted);
}

.checklist li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: #fff;
    background: #3faa72;
    width: 1.3rem;
    height: 1.3rem;
    border-radius: 50%;
    font-size: 0.8rem;
    display: grid;
    place-items: center;
    margin-top: 0.15rem;
}

.trust-card {
    background: linear-gradient(140deg, var(--brand), var(--brand-dark));
    color: #fff;
    border-radius: var(--radius);
    padding: 2.25rem;
    box-shadow: var(--shadow);
}

.trust-card p { margin: 0; opacity: 0.92; }

.trust-num {
    font-size: 3.4rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem !important;
}

/* ---------- cta / footer ---------- */
.section--cta {
    text-align: center;
    background: radial-gradient(60% 90% at 50% 0%, rgba(91, 124, 242, 0.1), transparent);
}

.section--cta .lede { margin-inline: auto; }

.footer {
    border-top: 1px solid rgba(28, 33, 48, 0.08);
    padding: 1.5rem 0;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    color: var(--muted);
    font-size: 0.9rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* ---------- responsive ---------- */
@media (max-width: 860px) {
    .hero-inner, .split { grid-template-columns: 1fr; }
    .grid-3 { grid-template-columns: 1fr; }
    .mock { margin: 0 auto; }

    .nav-toggle { display: flex; }

    .nav-links {
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--card);
        flex-direction: column;
        align-items: flex-start;
        padding: 1rem 1.5rem;
        gap: 1rem;
        border-bottom: 1px solid rgba(28, 33, 48, 0.08);
        display: none;
    }

    .nav-links.open { display: flex; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .btn { transition: none; }
}