/* ============================================
   ARLEK.PL — Main Stylesheet
   Herrington feeling + Solvior split hero
   Navy #121C27 + Orange #E8651A
   ============================================ */

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
h1,h2,h3,h4,h5,h6 { font-family: var(--font-heading); font-weight: 400; line-height: var(--leading-tight); color: var(--color-text); }
button { font: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font: inherit; }

/* === UTILITIES === */
.sr-only { position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0; }
.container { width: var(--container); margin: 0 auto; }
.container--narrow { width: var(--container-narrow); margin: 0 auto; }
.text-accent { color: var(--color-primary); }

/* === BUTTONS === */
.btn {
    display: inline-flex; align-items: center; gap: var(--space-2);
    font-family: var(--font-body); font-weight: 600; font-size: var(--text-sm);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-full);
    transition: all var(--duration-base) var(--ease-out);
    cursor: pointer; border: 2px solid transparent;
    text-decoration: none; line-height: 1.2;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
    background: var(--color-primary); color: #fff; border-color: var(--color-primary);
}
.btn-primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); box-shadow: var(--shadow-lg); }

.btn-outline {
    background: transparent; color: var(--color-text); border-color: var(--color-border);
}
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }

.btn-outline-light {
    background: transparent; color: #fff; border-color: rgba(255,255,255,0.3);
}
.btn-outline-light:hover { border-color: #fff; background: rgba(255,255,255,0.1); }

.btn-sm { padding: var(--space-2) var(--space-4); font-size: var(--text-xs); }
.btn-lg { padding: var(--space-4) var(--space-8); font-size: var(--text-base); }
.btn-xl { padding: var(--space-5) var(--space-10); font-size: var(--text-lg); }
.btn-block { display: flex; justify-content: center; width: 100%; }

/* === HEADER === */
.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(18, 28, 39, 0.95); backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    transition: all var(--duration-base) var(--ease-out);
}
.header-inner {
    width: var(--container-wide); margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
    padding: var(--space-4) 0; gap: var(--space-8);
}
.site-logo img { height: 36px; width: auto; }
.nav-list { display: flex; gap: var(--space-6); }
.nav-link {
    color: rgba(255,255,255,0.75); font-size: var(--text-sm); font-weight: 500;
    padding: var(--space-2) 0; position: relative;
    transition: color var(--duration-fast);
    letter-spacing: 0.02em;
}
.nav-link:hover { color: #fff; }
.nav-link::after {
    content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px;
    background: var(--color-primary); transition: width var(--duration-base) var(--ease-out);
}
.nav-link:hover::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: var(--space-4); }
.header-phone {
    display: flex; align-items: center; gap: var(--space-2);
    color: rgba(255,255,255,0.85); font-size: var(--text-sm); font-weight: 500;
    transition: color var(--duration-fast);
}
.header-phone:hover { color: var(--color-primary); }
.header-phone svg { flex-shrink: 0; }

.mobile-toggle { display: none; }
.hamburger {
    display: block; width: 24px; height: 2px; background: #fff;
    position: relative; transition: background var(--duration-fast);
}
.hamburger::before, .hamburger::after {
    content: ''; position: absolute; left: 0; width: 100%; height: 2px; background: #fff;
    transition: all var(--duration-base) var(--ease-out);
}
.hamburger::before { top: -7px; }
.hamburger::after { bottom: -7px; }

/* === HERO === */
.hero {
    background: var(--color-dark);
    padding: calc(80px + var(--section-padding)) 0 var(--section-padding);
    position: relative; overflow: hidden;
    min-height: 85vh; display: flex; align-items: center;
}
.hero::before {
    content: ''; position: absolute; top: -50%; right: -20%; width: 80%; height: 200%;
    background: radial-gradient(ellipse, rgba(232,101,26,0.08) 0%, transparent 60%);
    pointer-events: none;
}
.hero-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: var(--space-16); align-items: center;
}
.hero-content { position: relative; z-index: 2; }
.hero .section-label { color: var(--color-primary); margin-bottom: var(--space-4); }
.hero-title {
    font-size: var(--text-5xl); color: #fff;
    margin-bottom: var(--space-6); max-width: 600px;
}
.hero-subtitle {
    font-size: var(--text-lg); color: var(--color-dark-muted);
    margin-bottom: var(--space-8); max-width: 500px;
    line-height: var(--leading-normal);
}
.hero-actions { display: flex; gap: var(--space-4); flex-wrap: wrap; }
.hero-mockup {
    position: relative; z-index: 2;
    border-radius: var(--radius-xl); overflow: hidden;
    box-shadow: var(--shadow-xl);
}
.hero-mockup img { width: 100%; height: auto; }

/* === COUNTER STRIP === */
.counter-strip {
    background: var(--color-dark-surface);
    padding: var(--space-10) 0;
    border-top: 1px solid rgba(255,255,255,0.06);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.counter-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-8); text-align: center; }
.counter-item { }
.counter-value {
    font-family: var(--font-heading); font-size: var(--text-4xl);
    color: var(--color-primary); display: inline;
}
.counter-suffix { font-family: var(--font-heading); font-size: var(--text-4xl); color: var(--color-primary); }
.counter-label { display: block; color: var(--color-dark-muted); font-size: var(--text-sm); margin-top: var(--space-2); }

/* === SECTION BASE === */
.section { padding: var(--section-padding) 0; }
.section--light { background: var(--color-bg); }
.section--alt { background: var(--color-bg-alt); }
.section--dark { background: var(--color-dark); }
.section--cta {
    background: var(--color-dark);
    padding: var(--section-padding) 0;
    position: relative;
}
.section--cta::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(ellipse at center, rgba(232,101,26,0.1) 0%, transparent 70%);
    pointer-events: none;
}

.section-label {
    font-family: var(--font-body); font-weight: 600;
    font-size: var(--text-xs); letter-spacing: 0.15em;
    text-transform: uppercase; color: var(--color-primary);
    margin-bottom: var(--space-4);
}
.section-label--light { color: var(--color-primary); }
.section-header { margin-bottom: var(--space-12); max-width: 640px; }
.section-title { font-size: var(--text-4xl); margin-bottom: var(--space-4); }
.section-title--light { color: #fff; }
.section-subtitle { font-size: var(--text-lg); color: var(--color-text-secondary); line-height: var(--leading-normal); }
.section-subtitle--light { color: var(--color-dark-muted); }
.section-cta { margin-top: var(--space-12); text-align: center; }

/* === OFFER CARDS === */
.offer-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-8); }
.offer-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    display: flex; flex-direction: column;
    transition: all var(--duration-base) var(--ease-out);
    position: relative;
}
.offer-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--color-primary); }
.offer-card--featured { border-color: var(--color-primary); border-width: 2px; }
.offer-badge {
    position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
    background: var(--color-primary); color: #fff;
    padding: var(--space-1) var(--space-4);
    border-radius: var(--radius-full); font-size: var(--text-xs); font-weight: 600;
    white-space: nowrap;
}
.offer-card__header { margin-bottom: var(--space-6); }
.offer-card__title { font-size: var(--text-2xl); margin-bottom: var(--space-2); }
.offer-card__desc { color: var(--color-text-secondary); font-size: var(--text-sm); }
.offer-card__price { margin-bottom: var(--space-6); padding-bottom: var(--space-6); border-bottom: 1px solid var(--color-border); }
.price-amount { font-family: var(--font-heading); font-size: var(--text-4xl); color: var(--color-primary); }
.price-currency { font-size: var(--text-base); color: var(--color-text-secondary); margin-left: var(--space-2); }
.offer-card__features { flex: 1; margin-bottom: var(--space-8); }
.offer-card__features li {
    padding: var(--space-3) 0; border-bottom: 1px solid var(--color-bg-alt);
    font-size: var(--text-sm); color: var(--color-text-secondary);
    padding-left: var(--space-6); position: relative;
}
.offer-card__features li::before {
    content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
    width: 16px; height: 16px; border-radius: 50%;
    background: var(--color-primary-light);
    border: 2px solid var(--color-primary);
}

/* === STEPS TIMELINE === */
.steps-timeline { display: flex; flex-direction: column; gap: var(--space-1); position: relative; }
.step {
    display: grid; grid-template-columns: 80px 1fr; gap: var(--space-6);
    padding: var(--space-6) 0;
    border-bottom: 1px dashed var(--color-border);
    transition: all var(--duration-base);
}
.step:last-child { border-bottom: none; }
.step:hover { padding-left: var(--space-4); }
.step-number {
    font-family: var(--font-heading); font-size: var(--text-3xl);
    color: var(--color-primary); opacity: 0.3;
    transition: opacity var(--duration-base);
}
.step:hover .step-number { opacity: 1; }
.step-title { font-family: var(--font-heading); font-size: var(--text-xl); margin-bottom: var(--space-2); }
.step-text { color: var(--color-text-secondary); font-size: var(--text-base); }

/* === TESTIMONIALS === */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.testimonial-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    transition: all var(--duration-base);
}
.testimonial-card:hover { background: rgba(255,255,255,0.08); transform: translateY(-2px); }
.testimonial-stars { color: #FBBF24; font-size: var(--text-lg); margin-bottom: var(--space-4); letter-spacing: 2px; }
.testimonial-text { color: var(--color-dark-text); font-size: var(--text-base); line-height: var(--leading-normal); margin-bottom: var(--space-6); font-style: italic; }
.testimonial-author { display: flex; flex-direction: column; gap: 2px; }
.testimonial-name { color: #fff; font-weight: 600; font-size: var(--text-sm); }
.testimonial-date { color: var(--color-dark-muted); font-size: var(--text-xs); }

/* === FAQ === */
.faq-list { display: flex; flex-direction: column; gap: var(--space-2); }
.faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden; transition: all var(--duration-base);
}
.faq-item[open] { border-color: var(--color-primary); box-shadow: var(--shadow-sm); }
.faq-question {
    padding: var(--space-5) var(--space-6);
    font-weight: 600; font-size: var(--text-base);
    cursor: pointer; display: flex; align-items: center; justify-content: space-between;
    list-style: none;
    transition: color var(--duration-fast);
}
.faq-question:hover { color: var(--color-primary); }
.faq-question::-webkit-details-marker { display: none; }
.faq-question::after {
    content: '+'; font-size: var(--text-xl); color: var(--color-primary);
    transition: transform var(--duration-base);
    flex-shrink: 0; margin-left: var(--space-4);
}
.faq-item[open] .faq-question::after { content: '-'; }
.faq-answer { padding: 0 var(--space-6) var(--space-5); color: var(--color-text-secondary); line-height: var(--leading-normal); }

/* === FOOTER === */
.footer-cta {
    background: var(--color-dark); padding: var(--section-padding) 0;
    text-align: center; position: relative;
}
.footer-cta::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(ellipse at center, rgba(232,101,26,0.08) 0%, transparent 60%);
}
.footer-cta__title { font-size: var(--text-4xl); color: #fff; margin-bottom: var(--space-4); position: relative; }
.footer-cta__text { font-size: var(--text-lg); color: var(--color-dark-muted); margin-bottom: var(--space-8); position: relative; }
.footer-cta__actions { display: flex; gap: var(--space-4); justify-content: center; flex-wrap: wrap; position: relative; }

.footer-main {
    background: var(--color-dark-surface);
    padding: var(--space-16) 0 var(--space-12);
    border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: var(--space-10); }
.footer-brand p { color: var(--color-dark-muted); font-size: var(--text-sm); margin-top: var(--space-4); line-height: var(--leading-normal); }
.footer-brand img { margin-bottom: var(--space-2); filter: brightness(1.1); }
.footer-social { display: flex; gap: var(--space-3); margin-top: var(--space-4); }
.footer-social a {
    color: var(--color-dark-muted); font-size: var(--text-sm); font-weight: 600;
    padding: var(--space-2) var(--space-3); border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-sm); transition: all var(--duration-fast);
}
.footer-social a:hover { color: var(--color-primary); border-color: var(--color-primary); }

.footer-heading {
    font-family: var(--font-body); font-weight: 700; font-size: var(--text-sm);
    color: #fff; text-transform: uppercase; letter-spacing: 0.08em;
    margin-bottom: var(--space-5);
}
.footer-links li { margin-bottom: var(--space-3); }
.footer-links a { color: var(--color-dark-muted); font-size: var(--text-sm); transition: color var(--duration-fast); }
.footer-links a:hover { color: var(--color-primary); }
.footer-contact strong { color: rgba(255,255,255,0.6); }
.footer-legal-info { margin-top: var(--space-4); color: var(--color-dark-muted); }
.footer-legal-info small { font-size: var(--text-xs); line-height: 1.6; }

.footer-bottom {
    background: var(--color-dark); padding: var(--space-5) 0;
    border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-bottom-inner { display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { color: var(--color-dark-muted); font-size: var(--text-xs); }
.footer-bottom-links { display: flex; gap: var(--space-6); }
.footer-bottom-links a { color: var(--color-dark-muted); font-size: var(--text-xs); transition: color var(--duration-fast); }
.footer-bottom-links a:hover { color: #fff; }

/* === CTA ACTIONS === */
.cta-actions { display: flex; gap: var(--space-4); justify-content: center; flex-wrap: wrap; position: relative; z-index: 2; }

/* === PLACEHOLDER === */
.portfolio-placeholder {
    text-align: center; padding: var(--space-16);
    background: var(--color-bg-alt); border-radius: var(--radius-lg);
    color: var(--color-text-muted); border: 2px dashed var(--color-border);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .hero-content { order: 1; }
    .hero-visual { order: 2; max-width: 500px; margin: 0 auto; }
    .hero-title { max-width: 100%; }
    .hero-subtitle { max-width: 100%; margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; }
    .hero .section-label { text-align: center; }

    .counter-grid { grid-template-columns: repeat(2, 1fr); }
    .offer-grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }

    .nav-primary { display: none; }
    .mobile-toggle { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; }
}

@media (max-width: 768px) {
    .header-phone span { display: none; }
    .header-actions .btn { display: none; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom-inner { flex-direction: column; gap: var(--space-3); text-align: center; }
    .footer-cta__actions { flex-direction: column; align-items: center; }
    .cta-actions { flex-direction: column; align-items: center; }
    .step { grid-template-columns: 60px 1fr; }
}

@media (max-width: 480px) {
    .counter-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
    .counter-value, .counter-suffix { font-size: var(--text-3xl); }
    .hero { min-height: auto; padding-top: calc(70px + var(--space-12)); padding-bottom: var(--space-12); }
}

/* === REDUCED MOTION === */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
    html { scroll-behavior: auto; }
}