/*
 * Dizajn: čistý, editorial-technický. Teplý papierový podklad, atramentový text,
 * petrolejový akcent, mono písmo na "technické" detaily. Stavia na Bootstrape 5.
 */

:root {
    --paper: #faf9f5;
    --paper-alt: #f3f1e9;
    --ink: #1b1e20;
    --muted: #5c6367;
    --line: #e4e1d5;
    --accent: #0d5f52;
    --accent-dark: #0a4a40;
    --accent-light: #7fd2bd;
    --code-bg: #11181a;
    --dark-bg: #131817;
    --dark-line: rgba(255, 255, 255, 0.08);

    --bs-body-bg: var(--paper);
    --bs-body-color: var(--ink);
    --bs-link-color-rgb: 13, 95, 82;
    --bs-link-hover-color-rgb: 10, 74, 64;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'IBM Plex Sans', ui-sans-serif, system-ui, sans-serif;
    background: var(--paper);
    color: var(--ink);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Bricolage Grotesque', 'IBM Plex Sans', sans-serif;
    font-weight: 650;
    letter-spacing: -0.015em;
}

.font-mono {
    font-family: 'IBM Plex Mono', ui-monospace, monospace;
}

section[id] {
    scroll-margin-top: 84px;
}

/* ---------- Navigácia ---------- */

.site-nav {
    background: rgba(250, 249, 245, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
    padding-top: 0.9rem;
    padding-bottom: 0.9rem;
}

.navbar-brand {
    font-family: 'Bricolage Grotesque', sans-serif;
    font-weight: 700;
    color: var(--ink);
}

.brand-suffix {
    color: var(--accent);
    font-size: 0.85em;
    font-weight: 400;
    margin-left: 0.35rem;
}

.site-nav .nav-link {
    color: var(--ink);
    font-weight: 500;
    font-size: 0.95rem;
}

.site-nav .nav-link:hover,
.site-nav .nav-link:focus {
    color: var(--accent);
}

.btn-nav {
    padding: 0.45rem 1.1rem;
    font-size: 0.9rem;
}

/* ---------- Tlačidlá ---------- */

.btn-accent {
    background: var(--accent);
    border: 1px solid var(--accent);
    color: #fff;
    border-radius: 999px;
    padding: 0.7rem 1.6rem;
    font-weight: 600;
    transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-accent:hover,
.btn-accent:focus {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(13, 95, 82, 0.25);
}

.btn-ghost {
    background: transparent;
    border: 1px solid #c8c4b5;
    color: var(--ink);
    border-radius: 999px;
    padding: 0.7rem 1.6rem;
    font-weight: 600;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.btn-ghost:hover,
.btn-ghost:focus {
    border-color: var(--ink);
    background: rgba(27, 30, 32, 0.03);
    color: var(--ink);
}

/* ---------- Hero ---------- */

.hero {
    position: relative;
    padding: 6rem 0 5.5rem;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--line) 1px, transparent 1px),
        linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 44px 44px;
    opacity: 0.55;
    -webkit-mask-image: radial-gradient(ellipse 75% 80% at 65% 15%, #000 0%, transparent 72%);
    mask-image: radial-gradient(ellipse 75% 80% at 65% 15%, #000 0%, transparent 72%);
}

.hero .container {
    z-index: 1;
}

.hero-title {
    font-size: clamp(2.4rem, 5.2vw, 3.7rem);
    line-height: 1.06;
    max-width: 16em;
}

.lead-text {
    color: var(--muted);
    font-size: 1.15rem;
    max-width: 34rem;
    margin-top: 1.25rem;
}

.eyebrow {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.8rem;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 0.7rem;
    margin-bottom: 1.25rem;
}

.eyebrow::after {
    content: '';
    height: 1px;
    width: 3rem;
    background: var(--accent);
    opacity: 0.45;
}

.eyebrow-light {
    color: var(--accent-light);
}

.eyebrow-light::after {
    background: var(--accent-light);
}

/* ---------- Ukážka kódu v hero ---------- */

.code-card {
    background: var(--code-bg);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 14px;
    box-shadow: 0 24px 60px rgba(20, 35, 30, 0.28);
    transform: rotate(1.4deg);
    transition: transform 0.35s ease;
}

.code-card:hover {
    transform: rotate(0deg);
}

.code-card-bar {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.8rem 1.1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.code-card-bar .dot {
    width: 0.65rem;
    height: 0.65rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.16);
}

.code-card-title {
    margin-left: auto;
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.38);
}

.code-card pre {
    margin: 0;
    padding: 1.4rem 1.5rem;
    overflow-x: auto;
}

.code-card code {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.82rem;
    line-height: 1.75;
    color: #dfe7e3;
}

.tk-k { color: #6dc7ae; }
.tk-t { color: #ddb673; }
.tk-f { color: #b6ceea; }

/* ---------- Sekcie ---------- */

.section-block {
    padding: 5.5rem 0;
}

.section-alt {
    background: var(--paper-alt);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.section-title {
    font-size: clamp(1.7rem, 3vw, 2.3rem);
    margin-bottom: 0.75rem;
}

.section-block p {
    color: var(--muted);
}

.section-block .section-title {
    color: var(--ink);
}

/* ---------- Služby ---------- */

.card-service {
    background: #fffefa;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 1.75rem 1.5rem;
    height: 100%;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.card-service:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: 0 14px 34px rgba(20, 40, 35, 0.09);
}

.card-service .num {
    color: var(--accent);
    font-size: 0.8rem;
    margin-bottom: 1.5rem;
}

.card-service h3 {
    font-size: 1.12rem;
    margin-bottom: 0.6rem;
}

.card-service p:last-child {
    margin-bottom: 0;
    font-size: 0.94rem;
}

/* ---------- O mne ---------- */

.chip {
    display: inline-block;
    font-size: 0.8rem;
    border: 1px solid var(--line);
    background: #fffefa;
    color: var(--ink);
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
}

.principles {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fffefa;
    padding: 0.5rem 1.75rem;
}

.principle {
    display: flex;
    gap: 1.1rem;
    padding: 1.4rem 0;
}

.principle + .principle {
    border-top: 1px solid var(--line);
}

.principle .num {
    color: var(--accent);
    font-size: 0.85rem;
    line-height: 1.9;
}

.principle h3 {
    font-size: 1.02rem;
    margin-bottom: 0.35rem;
}

.principle p {
    font-size: 0.92rem;
    margin-bottom: 0;
}

/* ---------- Kontakt (tmavá sekcia) ---------- */

.section-dark {
    background: var(--dark-bg);
    color: #e9ede9;
}

.section-dark .section-title {
    color: #f4f6f3;
}

.section-dark p,
.section-dark .contact-note {
    color: #a9b3ae;
}

.contact-label {
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #7d8781;
}

.contact-email {
    color: var(--accent-light);
    font-size: 1.05rem;
    text-decoration: none;
    border-bottom: 1px solid rgba(127, 210, 189, 0.35);
}

.contact-email:hover {
    color: #a5e4d3;
    border-bottom-color: currentColor;
}

.form-card {
    background: #fffefa;
    color: var(--ink);
    border-radius: 14px;
    padding: 2rem;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
}

.form-card .form-label {
    font-weight: 600;
    font-size: 0.9rem;
}

.form-card .form-control {
    border-color: #d9d5c8;
    border-radius: 9px;
    padding: 0.65rem 0.9rem;
    background: #fff;
}

.form-card .form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 0.2rem rgba(13, 95, 82, 0.14);
}

.form-privacy {
    font-size: 0.8rem;
    color: var(--muted);
    text-align: center;
}

/* Honeypot — mimo obrazovky, pre botov stále "viditeľný" */
.hp-field {
    position: absolute !important;
    left: -10000px !important;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* ---------- Pätička ---------- */

.site-footer {
    border-top: 1px solid var(--dark-line);
    font-size: 0.88rem;
}

.site-footer .footer-legal {
    font-size: 0.78rem;
    color: #7d8781;
}

/* ---------- Animácie ---------- */

@keyframes rise {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

.rise {
    animation: rise 0.7s cubic-bezier(0.22, 0.65, 0.3, 1) both;
}

.rise-2 { animation-delay: 0.1s; }
.rise-3 { animation-delay: 0.2s; }
.rise-4 { animation-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .rise {
        animation: none;
    }

    .code-card {
        transform: none;
    }
}