/* =====================================================
   Ethos Property Group — styles
   ===================================================== */

:root {
    --navy-900: #0b1626;
    --navy-800: #101e33;
    --navy-700: #16263f;
    --navy-600: #1f3354;
    --gold: #c9a227;
    --gold-light: #e3c45c;
    --ink: #1c2533;
    --ink-soft: #4b5668;
    --paper: #f7f6f2;
    --white: #ffffff;
    --line: rgba(28, 37, 51, 0.12);
    --line-dark: rgba(255, 255, 255, 0.1);
    --radius: 14px;
    --shadow: 0 18px 50px -20px rgba(11, 22, 38, 0.25);
    --font-head: "Fraunces", Georgia, serif;
    --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    color: var(--ink);
    background: var(--paper);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

.container {
    width: min(1140px, 92%);
    margin-inline: auto;
}

.container-narrow { width: min(820px, 92%); }

h1, h2, h3 {
    font-family: var(--font-head);
    font-weight: 500;
    line-height: 1.15;
    letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.2rem, 5.2vw, 3.9rem); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.25rem; }

.accent { color: var(--gold); }

.eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--gold);
    margin-bottom: 1rem;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 0.95rem 1.9rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gold), #ab8a1e);
    color: var(--navy-900);
    box-shadow: 0 10px 30px -10px rgba(201, 162, 39, 0.55);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -10px rgba(201, 162, 39, 0.65); }

.btn-ghost {
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.35);
}

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

.btn-block { width: 100%; border: none; font-family: var(--font-body); }

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(11, 22, 38, 0.85);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line-dark);
}

.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-block: 0.9rem;
}

/* ===== Logo BTS Pronájem ===== */
.logo {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    text-decoration: none;
    color: var(--white);
}

.logo-icon {
    width: 42px;
    height: 42px;
    flex-shrink: 0;
}

.logo-waves { stroke: var(--gold); }
.logo-dot { fill: var(--gold); }
.logo-house { stroke: var(--white); }

.logo-text {
    font-family: var(--font-head);
    font-size: 1.25rem;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.logo-text strong {
    color: var(--gold);
    font-weight: 600;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 1.8rem;
}

.main-nav a {
    color: rgba(255, 255, 255, 0.78);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.main-nav a:hover { color: var(--gold-light); }

.nav-cta {
    padding: 0.55rem 1.3rem;
    border: 1px solid var(--gold);
    border-radius: 999px;
    color: var(--gold-light) !important;
}

.nav-cta:hover { background: var(--gold); color: var(--navy-900) !important; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: 6px;
    cursor: pointer;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero ===== */
.hero {
    position: relative;
    background: var(--navy-900);
    color: var(--white);
    overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; }

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, black 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, black 30%, transparent 75%);
}

.hero-glow {
    position: absolute;
    top: -220px;
    right: -160px;
    width: 640px;
    height: 640px;
    background: radial-gradient(circle, rgba(201, 162, 39, 0.22), transparent 65%);
}

.hero-inner {
    position: relative;
    padding: clamp(4.5rem, 10vw, 8.5rem) 0 clamp(3.5rem, 7vw, 6rem);
    max-width: 820px;
}

.hero-lead {
    margin-top: 1.5rem;
    font-size: clamp(1rem, 1.6vw, 1.18rem);
    color: rgba(255, 255, 255, 0.78);
    max-width: 620px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2.2rem;
}

.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: clamp(1.5rem, 4vw, 3.5rem);
    list-style: none;
    margin-top: 3.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--line-dark);
}

.hero-trust li { display: flex; flex-direction: column; gap: 0.15rem; }

.hero-trust strong {
    font-family: var(--font-head);
    font-size: 1.6rem;
    color: var(--gold-light);
    font-weight: 500;
}

.hero-trust span {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    max-width: 200px;
}

/* ===== Sections ===== */
.section { padding: clamp(4rem, 8vw, 6.5rem) 0; }

.section-alt { background: var(--white); }

.section-head {
    max-width: 680px;
    margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-lead {
    margin-top: 1rem;
    color: var(--ink-soft);
    font-size: 1.05rem;
}

/* ===== Split (problém / řešení) ===== */
.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(1.5rem, 3vw, 2.5rem);
}

.split-col {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: clamp(1.6rem, 3vw, 2.4rem);
    box-shadow: var(--shadow);
}

.split-title {
    margin-bottom: 1.4rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--line);
}

.split-title.problem { color: #9a3b3b; }
.split-title.solution { color: var(--gold); filter: brightness(0.78); }

.check-list { list-style: none; display: grid; gap: 0.9rem; }

.check-list li {
    position: relative;
    padding-left: 2rem;
    color: var(--ink-soft);
    font-size: 0.97rem;
}

.check-list li::before {
    position: absolute;
    left: 0;
    top: 0.05rem;
    font-weight: 700;
}

.check-list.negative li::before { content: "✕"; color: #b66; }
.check-list.positive li::before { content: "✓"; color: var(--gold); }

/* ===== Band / citát ===== */
.band {
    background: var(--navy-800);
    color: var(--white);
    padding: clamp(3rem, 6vw, 4.5rem) 0;
}

.band blockquote {
    font-family: var(--font-head);
    font-size: clamp(1.25rem, 2.6vw, 1.8rem);
    line-height: 1.45;
    max-width: 860px;
    font-weight: 400;
}

.band-light { background: var(--navy-900); }

/* ===== Kroky procesu ===== */
.steps {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(1.2rem, 2.5vw, 2rem);
    counter-reset: step;
}

.step {
    position: relative;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.8rem 1.5rem;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.step:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

.step-num {
    display: inline-block;
    font-family: var(--font-head);
    font-size: 2.2rem;
    color: var(--gold);
    margin-bottom: 0.8rem;
}

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

.step p { font-size: 0.92rem; color: var(--ink-soft); }

/* ===== Karty výhod ===== */
.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(1.2rem, 2.5vw, 1.8rem);
}

.card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.9rem 1.7rem;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: rgba(201, 162, 39, 0.45);
}

.card-icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: rgba(201, 162, 39, 0.12);
    color: var(--gold);
    margin-bottom: 1.2rem;
}

.card-icon svg { width: 26px; height: 26px; }

.card h3 { margin-bottom: 0.55rem; font-size: 1.13rem; }

.card p { font-size: 0.93rem; color: var(--ink-soft); }

/* ===== Pro koho ===== */
.audience-title { color: var(--white); margin-bottom: 2.5rem; }

.audience-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(1.2rem, 2.5vw, 2rem);
}

.audience-item {
    border-left: 2px solid var(--gold);
    padding-left: 1.2rem;
}

.audience-item h3 {
    color: var(--gold-light);
    font-size: 1.08rem;
    margin-bottom: 0.5rem;
}

.audience-item p {
    color: rgba(255, 255, 255, 0.68);
    font-size: 0.92rem;
}

/* ===== FAQ ===== */
.faq-list { display: grid; gap: 0.9rem; }

.faq-item {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
}

.faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 1.25rem 3.2rem 1.25rem 1.5rem;
    font-weight: 600;
    font-size: 1rem;
    position: relative;
    transition: color 0.2s ease;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
    content: "+";
    position: absolute;
    right: 1.4rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--gold);
    transition: transform 0.25s ease;
}

.faq-item[open] summary { color: var(--gold); filter: brightness(0.85); }

.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }

.faq-body { padding: 0 1.5rem 1.4rem; }

.faq-body p { color: var(--ink-soft); font-size: 0.95rem; }

/* ===== Kontakt ===== */
.section-contact {
    background: var(--navy-900);
    color: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: clamp(2.5rem, 5vw, 4.5rem);
    align-items: start;
}

.contact-info h2 { margin-bottom: 1.2rem; }

.contact-info > p { color: rgba(255, 255, 255, 0.75); }

.contact-points {
    list-style: none;
    display: grid;
    gap: 0.7rem;
    margin-top: 1.8rem;
}

.contact-points li {
    position: relative;
    padding-left: 1.8rem;
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.95rem;
}

.contact-points li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--gold);
    font-weight: 700;
}

.contact-direct {
    margin-top: 2.2rem;
    padding-top: 1.6rem;
    border-top: 1px solid var(--line-dark);
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.75);
}

.contact-direct a { color: var(--gold-light); text-decoration: none; }
.contact-direct a:hover { text-decoration: underline; }

.contact-form {
    background: var(--white);
    color: var(--ink);
    border-radius: var(--radius);
    padding: clamp(1.6rem, 3vw, 2.4rem);
    box-shadow: 0 30px 70px -25px rgba(0, 0, 0, 0.55);
}

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

.form-field { margin-bottom: 1.1rem; }

.form-field label {
    display: block;
    font-size: 0.83rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--ink);
}

.form-field input,
.form-field select,
.form-field textarea {
    width: 100%;
    padding: 0.75rem 0.95rem;
    border: 1px solid var(--line);
    border-radius: 9px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--ink);
    background: var(--paper);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-field textarea { resize: vertical; }

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.18);
}

.form-field input.invalid,
.form-field textarea.invalid {
    border-color: #c0564f;
}

.form-consent {
    display: flex;
    gap: 0.6rem;
    align-items: flex-start;
    font-size: 0.82rem;
    color: var(--ink-soft);
    margin-bottom: 1.3rem;
    cursor: pointer;
}

.form-consent input {
    margin-top: 0.2rem;
    accent-color: var(--gold);
}

.form-status {
    margin-top: 0.9rem;
    font-size: 0.9rem;
    text-align: center;
    min-height: 1.2em;
}

.form-status.ok { color: #2e7d4f; }
.form-status.err { color: #c0564f; }

/* ===== Patička ===== */
.site-footer {
    background: var(--navy-800);
    color: rgba(255, 255, 255, 0.7);
    border-top: 1px solid var(--line-dark);
}

.footer-inner {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: clamp(2rem, 4vw, 3.5rem);
    padding: clamp(2.8rem, 5vw, 4rem) 0 2rem;
}

.footer-brand p {
    font-size: 0.9rem;
    max-width: 380px;
}

.footer-col h4 {
    color: var(--white);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 1rem;
}

.footer-col a, .footer-col p {
    display: block;
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
    font-size: 0.92rem;
    margin-bottom: 0.55rem;
}

.footer-col a:hover { color: var(--gold-light); }

.footer-bottom {
    border-top: 1px solid var(--line-dark);
    padding-block: 1.3rem;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.45);
}

/* ===== Scroll reveal ===== */
.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; transition: none; }
}

/* =====================================================
   Responsivita
   ===================================================== */
@media (max-width: 980px) {
    .steps { grid-template-columns: repeat(2, 1fr); }
    .cards { grid-template-columns: repeat(2, 1fr); }
    .audience-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
    .nav-toggle { display: flex; }

    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: var(--navy-900);
        border-bottom: 1px solid var(--line-dark);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease;
    }

    .main-nav.open { max-height: 420px; }

    .main-nav a {
        padding: 1rem 4.5%;
        border-top: 1px solid var(--line-dark);
    }

    .nav-cta {
        border: none;
        border-radius: 0;
    }

    .split { grid-template-columns: 1fr; }
    .hero-trust { gap: 1.5rem 2.5rem; }
}

@media (max-width: 560px) {
    .steps { grid-template-columns: 1fr; }
    .cards { grid-template-columns: 1fr; }
    .audience-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; }
    .hero-actions .btn { width: 100%; text-align: center; }
}