/* =====================================================
   SIR-BUD — style.css
   Styl inspirowany: zwirekbet.pl
   Dark theme + pomarańczowy akcent
   Mobile-first
   ===================================================== */

/* ---------- Variables ---------- */
:root {
  --clr-bg:         #111111;
  --clr-bg-alt:     #181818;
  --clr-surface:    #1e1e1e;
  --clr-surface-2:  #252525;
  --clr-border:     #2a2a2a;
  --clr-border-2:   #333333;

  --clr-text:       #f0f0f0;
  --clr-text-sec:   #999999;
  --clr-text-muted: #666666;

  --clr-accent:     #f97316;
  --clr-accent-dark:#ea6b0e;
  --clr-accent-glow:rgba(249,115,22,0.18);

  --radius:         10px;
  --radius-sm:      6px;
  --radius-lg:      14px;

  --shadow-card:    0 2px 16px rgba(0,0,0,0.45);
  --shadow-glow:    0 0 0 1px rgba(249,115,22,0.35);

  --font: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --trans: 0.2s ease;
}

/* ---------- Reset ---------- */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.65;
  overflow-x: hidden;
}
img,svg { display: block; max-width: 100%; }
a { color: var(--clr-accent); text-decoration: none; transition: color var(--trans); }
a:hover { color: #fb923c; }
a:focus-visible { outline: 2px solid var(--clr-accent); outline-offset: 3px; border-radius: 3px; }
button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible {
  outline: 2px solid var(--clr-accent); outline-offset: 2px;
}
ul { list-style: none; }
h1,h2,h3,h4 { line-height: 1.2; color: var(--clr-text); }
p { color: var(--clr-text-sec); max-width: 68ch; }

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

/* ---------- Utilities ---------- */
.skip-link {
  position: absolute; top: -999px; left: 0;
  background: var(--clr-accent); color: #111; font-weight: 700;
  padding: 0.75rem 1.5rem; z-index: 9999; border-radius: 0 0 8px 0;
}
.skip-link:focus { top: 0; }

.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}
@media (min-width: 768px) { .container { padding-inline: 2rem; } }
@media (min-width: 1024px) { .container { padding-inline: 2.5rem; } }

.icon {
  width: 1.2em; height: 1.2em;
  display: inline-block; vertical-align: middle; flex-shrink: 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.8rem 1.6rem;
  font-size: 0.95rem; font-weight: 700;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer; text-decoration: none;
  transition: background var(--trans), color var(--trans), border-color var(--trans), transform var(--trans);
  white-space: nowrap; line-height: 1;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--clr-accent); color: #111;
  border-color: var(--clr-accent);
}
.btn--primary:hover { background: var(--clr-accent-dark); border-color: var(--clr-accent-dark); color: #111; }

.btn--outline {
  background: transparent; color: var(--clr-text);
  border-color: var(--clr-border-2);
}
.btn--outline:hover { border-color: var(--clr-accent); color: var(--clr-accent); }

.btn--full { width: 100%; justify-content: center; }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(17,17,17,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border);
}

.header__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; gap: 1rem;
}

.logo {
  display: flex; align-items: center; gap: 0.6rem;
  text-decoration: none; flex-shrink: 0;
}
.logo__name {
  font-size: 1.3rem; font-weight: 900; color: var(--clr-text);
  letter-spacing: -0.03em;
}
.logo__accent { color: var(--clr-accent); }

.nav {
  display: none; align-items: center; gap: 0.25rem;
}
@media (min-width: 768px) { .nav { display: flex; } }

.nav__link {
  padding: 0.4rem 0.85rem; font-size: 0.9rem; font-weight: 500;
  color: var(--clr-text-sec); border-radius: 5px;
  transition: color var(--trans), background var(--trans);
  text-decoration: none;
}
.nav__link:hover { color: var(--clr-text); background: rgba(255,255,255,0.05); }

.nav__cta {
  padding: 0.45rem 1.1rem; font-size: 0.9rem; font-weight: 700;
  background: var(--clr-accent); color: #111;
  border-radius: var(--radius-sm);
  transition: background var(--trans);
  text-decoration: none;
}
.nav__cta:hover { background: var(--clr-accent-dark); color: #111; }

/* Burger */
.burger {
  display: flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px;
  background: none; border: 1px solid var(--clr-border-2);
  border-radius: 6px; cursor: pointer; padding: 8px;
}
.burger span { display: block; height: 2px; background: var(--clr-text); border-radius: 2px; transition: transform var(--trans), opacity var(--trans); }
.burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
@media (min-width: 768px) { .burger { display: none; } }

/* Mobile nav */
.mobile-nav {
  display: none; flex-direction: column;
  background: var(--clr-surface); border-top: 1px solid var(--clr-border);
}
.mobile-nav.is-open { display: flex; }
.mobile-nav a {
  padding: 0.9rem 1.5rem; font-size: 1rem; font-weight: 500;
  color: var(--clr-text-sec); border-bottom: 1px solid var(--clr-border);
  text-decoration: none; transition: color var(--trans), background var(--trans);
}
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav a:hover { color: var(--clr-text); background: rgba(255,255,255,0.03); }
.mobile-nav a.cta-mobile { color: var(--clr-accent); font-weight: 700; }

/* ---------- Sections ---------- */
.section {
  padding-block: 4.5rem;
}
@media (min-width: 768px) { .section { padding-block: 5.5rem; } }

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

.section-label {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--clr-accent);
  margin-bottom: 0.6rem;
}
.section-title {
  font-size: clamp(1.5rem, 4vw, 2.25rem); font-weight: 900;
  margin-bottom: 0.75rem; color: var(--clr-text);
}
.section-lead {
  font-size: 1rem; color: var(--clr-text-sec); max-width: 58ch;
  margin-bottom: 2.5rem;
}

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding-block: 4rem 3rem;
  min-height: 85vh;
  display: flex; align-items: center;
}

.hero__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 40%, rgba(249,115,22,0.07) 0%, transparent 65%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(249,115,22,0.04) 0%, transparent 60%);
  pointer-events: none;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(249,115,22,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(249,115,22,0.025) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

.hero__inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr;
  gap: 2.5rem; align-items: center; width: 100%;
}
@media (min-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr 420px; gap: 3rem; }
}

.hero__badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.45rem 1rem;
  border: 1px solid var(--clr-border-2);
  border-radius: 100px;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em;
  color: var(--clr-text-sec); text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.dot {
  width: 7px; height: 7px; background: var(--clr-accent);
  border-radius: 50%; display: inline-block; flex-shrink: 0;
}

.hero__title {
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  font-weight: 900; line-height: 1.1;
  margin-bottom: 1.25rem; color: #fff;
}
.hero__title em {
  font-style: normal; color: var(--clr-accent);
}

.hero__lead {
  font-size: 1.05rem; color: var(--clr-text-sec);
  line-height: 1.7; max-width: 50ch; margin-bottom: 1.5rem;
}

.hero__note {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--clr-border-2);
  border-radius: var(--radius-sm);
  font-size: 0.875rem; color: var(--clr-text-sec);
  margin-bottom: 1.75rem;
  max-width: fit-content;
}
.hero__note .icon { color: var(--clr-accent); flex-shrink: 0; }

.hero__ctas {
  display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 2rem;
}

.hero__contact-bar {
  display: flex; flex-wrap: wrap; gap: 0.75rem 1.5rem;
  padding-top: 1.5rem; border-top: 1px solid var(--clr-border);
}
.hero__contact-item {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.9rem; color: var(--clr-text-sec);
  text-decoration: none; transition: color var(--trans);
}
.hero__contact-item .icon { color: var(--clr-accent); }
.hero__contact-item:hover { color: var(--clr-text); }

/* Hero panel */
.hero__panel {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-2);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-card);
}
.hero__panel-label {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--clr-accent);
  margin-bottom: 1.25rem;
}
.hero__stats {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.hero__stat {
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 0.5rem;
  text-align: center;
}
.hero__stat strong {
  display: block; font-size: 1.5rem; font-weight: 900;
  color: var(--clr-accent); line-height: 1;
}
.hero__stat span {
  font-size: 0.72rem; color: var(--clr-text-muted); display: block; margin-top: 0.25rem;
}
.hero__checklist {
  display: flex; flex-direction: column; gap: 0.75rem;
}
.hero__checklist li {
  display: flex; align-items: center; gap: 0.65rem;
  font-size: 0.9rem; color: var(--clr-text-sec);
}
.check-icon { color: var(--clr-accent); flex-shrink: 0; width: 1.1em; height: 1.1em; }

/* ---------- Services ---------- */
.services-grid {
  display: grid; grid-template-columns: 1fr; gap: 1.25rem;
}
@media (min-width: 640px) { .services-grid { grid-template-columns: repeat(2,1fr); } }
@media (min-width: 1024px) { .services-grid { grid-template-columns: repeat(3,1fr); } }

.service-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
  transition: border-color var(--trans), transform var(--trans), box-shadow var(--trans);
}
.service-card:hover {
  border-color: rgba(249,115,22,0.4);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card), 0 0 20px rgba(249,115,22,0.06);
}
.service-card__icon {
  width: 44px; height: 44px;
  background: var(--clr-accent-glow);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--clr-accent);
  margin-bottom: 1rem;
}
.service-card__icon svg { width: 22px; height: 22px; }
.service-card__title {
  font-size: 1rem; font-weight: 700; color: var(--clr-text);
  margin-bottom: 0.5rem;
}
.service-card__text { font-size: 0.875rem; color: var(--clr-text-sec); max-width: none; line-height: 1.6; }

/* ---------- Steps ---------- */
.steps {
  display: flex; flex-direction: column; gap: 1rem;
}
@media (min-width: 768px) { .steps { gap: 0.75rem; } }

.step {
  display: flex; align-items: flex-start; gap: 1.25rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.step__num {
  width: 44px; height: 44px; flex-shrink: 0;
  background: var(--clr-accent);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; font-weight: 900; color: #111;
  line-height: 1;
}
.step__title { font-size: 1rem; font-weight: 700; color: var(--clr-text); margin-bottom: 0.35rem; }
.step__text { font-size: 0.875rem; color: var(--clr-text-sec); max-width: none; line-height: 1.6; }

/* ---------- Grades ---------- */
.grades-grid {
  display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem;
}
@media (min-width: 640px) { .grades-grid { grid-template-columns: repeat(3,1fr); } }
@media (min-width: 1024px) { .grades-grid { grid-template-columns: repeat(6,1fr); gap: 1.25rem; } }

.grade-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 1.25rem 1rem;
  text-align: center;
  position: relative;
  transition: border-color var(--trans), transform var(--trans);
}
.grade-card:hover { border-color: var(--clr-border-2); transform: translateY(-2px); }

.grade-card--popular {
  border-color: rgba(249,115,22,0.5);
  background: linear-gradient(135deg, var(--clr-surface) 0%, rgba(249,115,22,0.04) 100%);
}
.grade-card__badge {
  position: absolute; top: -11px; left: 50%; transform: translateX(-50%);
  background: var(--clr-accent); color: #111;
  font-size: 0.6rem; font-weight: 800; letter-spacing: 0.08em;
  padding: 0.2rem 0.55rem; border-radius: 100px;
  text-transform: uppercase; white-space: nowrap;
}
.grade-card__code {
  font-size: 1.1rem; font-weight: 900; color: var(--clr-accent);
  margin-bottom: 0.15rem;
}
.grade-card__old {
  font-size: 0.75rem; color: var(--clr-text-muted);
  margin-bottom: 0.6rem;
}
.grade-card__desc { font-size: 0.78rem; color: var(--clr-text-sec); max-width: none; line-height: 1.5; }

/* ---------- Tags ---------- */
.tags-list {
  display: flex; flex-wrap: wrap; gap: 0.65rem;
}
.tag {
  padding: 0.5rem 1rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-2);
  border-radius: 100px;
  font-size: 0.875rem; font-weight: 500; color: var(--clr-text-sec);
  transition: border-color var(--trans), color var(--trans);
}
.tag:hover { border-color: var(--clr-accent); color: var(--clr-text); }

/* ---------- Why cards ---------- */
.why-grid {
  display: grid; grid-template-columns: 1fr; gap: 1.25rem;
}
@media (min-width: 640px) { .why-grid { grid-template-columns: repeat(2,1fr); } }
@media (min-width: 1024px) { .why-grid { grid-template-columns: repeat(3,1fr); } }

.why-card {
  display: flex; align-items: flex-start; gap: 1rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--trans);
}
.why-card:hover { border-color: var(--clr-border-2); }
.why-card__icon {
  width: 40px; height: 40px; flex-shrink: 0;
  background: var(--clr-accent-glow);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--clr-accent);
}
.why-card__icon svg { width: 20px; height: 20px; }
.why-card__title { font-size: 0.95rem; font-weight: 700; color: var(--clr-text); margin-bottom: 0.35rem; }
.why-card__text { font-size: 0.85rem; color: var(--clr-text-sec); max-width: none; line-height: 1.6; }

/* ---------- FAQ ---------- */
.faq-list { display: flex; flex-direction: column; gap: 0.75rem; }

.faq-item {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--trans);
}
.faq-item[open] { border-color: rgba(249,115,22,0.35); }

.faq-item__q {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.1rem 1.25rem;
  font-size: 0.95rem; font-weight: 600; color: var(--clr-text);
  cursor: pointer; list-style: none;
  transition: background var(--trans);
}
.faq-item__q::-webkit-details-marker { display: none; }
.faq-item__q::marker { display: none; }
.faq-item__q:hover { background: rgba(255,255,255,0.03); }

.faq-item__arrow {
  width: 18px; height: 18px; flex-shrink: 0; color: var(--clr-accent);
  transition: transform var(--trans);
}
.faq-item[open] .faq-item__arrow { transform: rotate(180deg); }

.faq-item__a {
  padding: 0 1.25rem 1.1rem;
  border-top: 1px solid var(--clr-border);
}
.faq-item__a p {
  font-size: 0.9rem; color: var(--clr-text-sec); max-width: none;
  line-height: 1.7; padding-top: 0.9rem;
}

/* ---------- Contact ---------- */
.contact-layout {
  display: grid; grid-template-columns: 1fr; gap: 2.5rem; align-items: start;
}
@media (min-width: 1024px) { .contact-layout { grid-template-columns: 1fr 1fr; gap: 3rem; } }

.contact-big-phone {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: clamp(1.5rem, 4vw, 2rem); font-weight: 900; color: var(--clr-text);
  text-decoration: none; margin-bottom: 0.5rem;
  transition: color var(--trans);
}
.contact-big-phone .icon { color: var(--clr-accent); width: 1.5rem; height: 1.5rem; flex-shrink: 0; }
.contact-big-phone:hover { color: var(--clr-accent); }

.contact-email-link {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 1rem; color: var(--clr-text-sec);
  text-decoration: none; margin-bottom: 2rem;
  transition: color var(--trans);
}
.contact-email-link .icon { color: var(--clr-accent); flex-shrink: 0; }
.contact-email-link:hover { color: var(--clr-text); }

.contact-details { display: flex; flex-direction: column; gap: 1.25rem; }
.contact-detail__label {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--clr-accent); margin-bottom: 0.25rem;
}
.contact-detail__val { font-size: 0.9rem; color: var(--clr-text-sec); }

/* Form */
.contact-form {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  display: flex; flex-direction: column; gap: 1rem;
}
@media (min-width: 768px) { .contact-form { padding: 2rem; } }

.form-row { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 640px) { .form-row { grid-template-columns: 1fr 1fr; } }

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-label { font-size: 0.82rem; font-weight: 600; color: var(--clr-text-sec); }

.form-input,
.form-select,
.form-textarea {
  padding: 0.7rem 0.9rem;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border-2);
  border-radius: var(--radius-sm);
  color: var(--clr-text);
  font-size: 0.9rem; font-family: var(--font);
  width: 100%; appearance: none;
  transition: border-color var(--trans), box-shadow var(--trans);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--clr-text-muted); }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(249,115,22,0.15);
  outline: none;
}
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23666' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 0.9rem center;
  padding-right: 2.5rem; cursor: pointer;
}
.form-textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: 0.78rem; color: var(--clr-text-muted); font-style: italic; max-width: none; }

/* ---------- Footer ---------- */
.footer {
  background: var(--clr-bg-alt);
  border-top: 1px solid var(--clr-border);
  padding-top: 3rem;
}
.footer__inner {
  display: grid; grid-template-columns: 1fr; gap: 2rem;
  margin-bottom: 2.5rem;
}
@media (min-width: 768px) { .footer__inner { grid-template-columns: 1.5fr 1fr 1fr; gap: 3rem; } }

.footer__name { font-size: 1.5rem; font-weight: 900; color: var(--clr-text); display: block; margin-bottom: 0.5rem; }
.footer__accent { color: var(--clr-accent); }
.footer__desc { font-size: 0.875rem; color: var(--clr-text-muted); max-width: none; line-height: 1.6; }

.footer__nav-title {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--clr-accent); margin-bottom: 1rem;
}
.footer__nav { display: flex; flex-direction: column; gap: 0.5rem; }
.footer__nav a { font-size: 0.9rem; color: var(--clr-text-sec); text-decoration: none; transition: color var(--trans); }
.footer__nav a:hover { color: var(--clr-text); }

.footer__contact { display: flex; flex-direction: column; gap: 0.5rem; }
.footer__contact a { font-size: 0.9rem; color: var(--clr-text-sec); text-decoration: none; transition: color var(--trans); }
.footer__contact a:hover { color: var(--clr-accent); }
.footer__hours { font-size: 0.85rem; color: var(--clr-text-muted); max-width: none; margin-top: 0.5rem; line-height: 1.6; }

.footer__bottom {
  border-top: 1px solid var(--clr-border);
  padding-block: 1.25rem;
}
.footer__bottom p { font-size: 0.78rem; color: var(--clr-text-muted); max-width: none; }

/* ---------- Responsive tweaks ---------- */
@media (max-width: 767px) {
  .hero { min-height: auto; padding-block: 3rem 2.5rem; }
  .section { padding-block: 3.5rem; }
}

/* ---------- Print ---------- */
@media print {
  .header, .footer { display: none; }
  body { background: #fff; color: #000; }
}