/* ═══════════════════════════════════════════════════════════
   DARK DETAIL – Premium Car Detailing Landing Page
   Carbon & Electric Blue theme · Mobile-first responsive
   ═══════════════════════════════════════════════════════════ */

/* ─── CSS Custom Properties ─── */
:root {
  --clr-bg:        #070b0f;
  --clr-bg-2:      #0b1017;
  --clr-bg-3:      #090e14;
  --clr-surface:   #0f1923;
  --clr-border:    #1a2d40;
  --clr-accent:    #0EA5E9;
  --clr-accent-d:  #0284c7;
  --clr-text:      #e8f4fd;
  --clr-muted:     #5e7a8f;
  --clr-danger:    #ef4444;
  --clr-success:   #22c55e;

  --font-display: 'Bebas Neue', sans-serif;
  --font-body:    'Inter', sans-serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;

  --shadow-glow: 0 0 40px rgba(14, 165, 233, 0.18);
  --shadow-card: 0 4px 32px rgba(0,0,0,0.7);

  --transition: 0.25s ease;
  --container:  1200px;
  --nav-h:      72px;
}

/* ─── Reset & Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input, select, textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  -webkit-appearance: none;
  appearance: none;
}

/* ─── Utility ─── */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1.05;
  letter-spacing: 0.02em;
  color: var(--clr-text);
}

.accent { color: var(--clr-accent); }
.center { text-align: center; }

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), transform var(--transition),
              box-shadow var(--transition);
  -webkit-appearance: none;
  appearance: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--clr-accent);
  color: #fff;
  border-color: var(--clr-accent);
}
.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--clr-accent-d);
  border-color: var(--clr-accent-d);
  box-shadow: 0 0 24px rgba(14,165,233,0.45);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--clr-text);
  border-color: var(--clr-border);
}
.btn-ghost:hover, .btn-ghost:focus-visible {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
  transform: translateY(-2px);
}

.btn-full { width: 100%; }

.btn:active { transform: translateY(0); }

/* ─── Fade-in animations ─── */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ══════════════════════════════════════
   NAVIGATION
══════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  height: var(--nav-h);
  transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  background: rgba(7, 11, 15, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--clr-border);
}

.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 0.08em;
  color: var(--clr-text);
}
.nav-logo span { color: var(--clr-accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-links a {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-muted);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--clr-text); }

.nav-cta {
  padding: 0.55rem 1.4rem;
  border: 2px solid var(--clr-accent);
  border-radius: var(--radius-sm);
  color: var(--clr-accent) !important;
  transition: background var(--transition), color var(--transition) !important;
}
.nav-cta:hover {
  background: var(--clr-accent) !important;
  color: #fff !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ══════════════════════════════════════
   HERO
══════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--nav-h);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 60% 40%, rgba(14,165,233,0.09) 0%, transparent 70%),
    radial-gradient(ellipse 60% 80% at 20% 80%, rgba(14,165,233,0.05) 0%, transparent 60%),
    linear-gradient(160deg, #0b1220 0%, #070b0f 100%);
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(14,165,233,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14,165,233,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 30%;
  background: linear-gradient(to top, var(--clr-bg), transparent);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 4rem 1.25rem 5rem;
  max-width: 860px;
}

.hero-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 1.25rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 12vw, 8rem);
  line-height: 0.95;
  letter-spacing: 0.03em;
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: var(--clr-muted);
  max-width: 540px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.4rem;
  line-height: 1;
  letter-spacing: 0.04em;
}
.stat-label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-muted);
  margin-top: 0.3rem;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--clr-border);
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: var(--clr-muted);
  width: 36px;
  animation: bounce 2s infinite;
  cursor: pointer;
}
.hero-scroll svg { width: 100%; height: auto; }

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

/* ══════════════════════════════════════
   ABOUT
══════════════════════════════════════ */
.about {
  padding: 7rem 0;
  background: var(--clr-bg-2);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text .section-title { margin-bottom: 1.5rem; }

.about-desc {
  color: var(--clr-muted);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 1.2rem;
}

.about-features {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.about-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  font-weight: 500;
}
.feat-icon {
  color: var(--clr-accent);
  font-size: 0.7rem;
  flex-shrink: 0;
}

.about-visual {
  position: relative;
}

.about-img-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--clr-border);
  aspect-ratio: 4/3;
}

.about-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: var(--clr-surface);
  color: var(--clr-muted);
  font-size: 0.85rem;
}
.about-img-placeholder svg { width: 80px; opacity: 0.6; }

.about-badge {
  position: absolute;
  bottom: -1.5rem;
  right: -1rem;
  background: var(--clr-accent);
  color: #fff;
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  box-shadow: var(--shadow-glow);
}
.badge-num {
  font-family: var(--font-display);
  font-size: 3rem;
  line-height: 1;
}
.badge-text {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  line-height: 1.3;
}

/* ══════════════════════════════════════
   PRICING
══════════════════════════════════════ */
.pricing {
  padding: 7rem 0;
  background: var(--clr-bg);
}
.pricing .section-title { margin-bottom: 0.75rem; }
.pricing-sub {
  color: var(--clr-muted);
  font-size: 0.9rem;
  max-width: 520px;
  margin: 0 auto 3.5rem;
  line-height: 1.7;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.pricing-card {
  position: relative;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.pricing-card:hover {
  border-color: rgba(14,165,233,0.35);
  box-shadow: var(--shadow-card), 0 0 40px rgba(14,165,233,0.10);
  transform: translateY(-4px);
}
.pricing-card.featured {
  border-color: var(--clr-accent);
  background: linear-gradient(160deg, #061626 0%, var(--clr-surface) 100%);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}
.pricing-card.featured:hover {
  box-shadow: var(--shadow-card), 0 0 60px rgba(14,165,233,0.28);
  transform: translateY(-6px);
}

.card-badge-wrap {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
}
.card-popular {
  background: var(--clr-accent);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  padding: 0.3rem 1rem;
  border-radius: 100px;
  white-space: nowrap;
}

.card-tier {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 0.1em;
  color: var(--clr-accent);
}

.card-price {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  margin: 0.25rem 0;
}
.price-from {
  font-size: 0.8rem;
  color: var(--clr-muted);
}
.price-val {
  font-family: var(--font-display);
  font-size: 3.2rem;
  line-height: 1;
  letter-spacing: 0.02em;
}
.price-cur {
  font-size: 1rem;
  color: var(--clr-muted);
  font-weight: 500;
}

.card-desc {
  font-size: 0.85rem;
  color: var(--clr-muted);
  line-height: 1.6;
  margin-top: 0.25rem;
}

.card-features {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  flex: 1;
}
.card-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.85rem;
  line-height: 1.4;
}
.card-features li span {
  flex-shrink: 0;
  color: var(--clr-accent);
  font-size: 0.9rem;
  margin-top: 0.05em;
}
.card-features li.inactive { color: var(--clr-border); }
.card-features li.inactive span { color: var(--clr-border); }

.card-btn { margin-top: auto; }

/* ══════════════════════════════════════
   BEFORE / AFTER
══════════════════════════════════════ */
.beforeafter {
  padding: 7rem 0;
  background: var(--clr-bg-3);
}
.beforeafter .section-title { margin-bottom: 0.75rem; }
.ba-sub {
  color: var(--clr-muted);
  font-size: 0.9rem;
  max-width: 480px;
  margin: 0 auto 3.5rem;
}

.ba-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.ba-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-muted);
  margin-bottom: 0.75rem;
}

.ba-slider {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4/3;
  border: 1px solid var(--clr-border);
  user-select: none;
  -webkit-user-select: none;
  cursor: ew-resize;
}

.ba-before,
.ba-after {
  position: absolute;
  inset: 0;
}
.ba-before {
  clip-path: inset(0 50% 0 0);
  z-index: 2;
}
.ba-after { z-index: 1; }

.ba-img {
  width: 100%;
  height: 100%;
}

.ba-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.ba-placeholder.before {
  background: linear-gradient(135deg, #111820 0%, #090e14 100%);
  color: #3a5060;
}
.ba-placeholder.after {
  background: linear-gradient(135deg, #051626 0%, #020d1a 100%);
  color: var(--clr-muted);
}
.ba-placeholder svg { width: 60px; opacity: 0.7; }

.ba-tag {
  position: absolute;
  bottom: 0.75rem;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
}
.before-tag { left: 0.75rem; background: rgba(255,255,255,0.1); color: #aaa; }
.after-tag  { right: 0.75rem; background: var(--clr-accent); color: #fff; }

.ba-after .ba-tag { z-index: 1; }
.ba-before .ba-tag { z-index: 3; }

.ba-handle {
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: none; /* drag handled by the slider container */
}
.ba-line {
  flex: 1;
  width: 2px;
  background: var(--clr-accent);
}
.ba-circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--clr-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 0 20px rgba(14,165,233,0.55);
}
.ba-circle svg { width: 20px; }

/* .ba-range removed – drag handled entirely by Pointer Events JS */

/* ══════════════════════════════════════
   CONTACT
══════════════════════════════════════ */
.contact {
  padding: 7rem 0;
  background: var(--clr-bg-2);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  align-items: start;
}

.contact-info .section-title { margin-bottom: 1.25rem; }
.contact-desc {
  color: var(--clr-muted);
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.contact-details li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.contact-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--clr-accent);
}
.contact-icon svg { width: 18px; height: 18px; }
.contact-label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-muted);
  margin-bottom: 0.2rem;
}
.contact-val {
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}
a.contact-val:hover { color: var(--clr-accent); }

/* ── Form ── */
.contact-form-wrap {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.form-group label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--clr-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  color: var(--clr-text);
  padding: 0.8rem 1rem;
  font-size: 0.9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: #444; }

.form-group 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='%23888' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}
.form-group select option { background: var(--clr-bg); color: var(--clr-text); }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(14,165,233,0.14);
}

.form-group textarea { resize: vertical; min-height: 110px; }

/* Checkbox */
.form-check { margin-top: 0.25rem; }
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--clr-muted);
  cursor: pointer;
  line-height: 1.5;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
}
.checkbox-label input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.checkmark {
  width: 18px;
  height: 18px;
  min-width: 18px;
  border: 1.5px solid var(--clr-border);
  border-radius: 4px;
  background: var(--clr-bg);
  display: inline-block;
  position: relative;
  transition: border-color var(--transition), background var(--transition);
  margin-top: 2px;
}
.checkbox-label input:checked + .checkmark {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
}
.checkbox-label input:checked + .checkmark::after {
  content: '';
  position: absolute;
  left: 5px; top: 2px;
  width: 5px; height: 9px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

/* Form messages */
.form-msg {
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  display: none;
}
.form-msg.success {
  display: block;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.3);
  color: var(--clr-success);
}
.form-msg.error {
  display: block;
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  color: var(--clr-danger);
}

/* ══════════════════════════════════════
   FOOTER
══════════════════════════════════════ */
.footer {
  padding: 2.5rem 0;
  background: var(--clr-bg);
  border-top: 1px solid var(--clr-border);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: 0.08em;
}
.footer-logo span { color: var(--clr-accent); }
.footer-copy {
  font-size: 0.8rem;
  color: var(--clr-muted);
}
.footer-socials { display: flex; gap: 0.75rem; }
.social-link {
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-muted);
  transition: border-color var(--transition), color var(--transition);
}
.social-link svg { width: 16px; height: 16px; }
.social-link:hover { border-color: var(--clr-accent); color: var(--clr-accent); }

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */

/* ─ Tablet: ≤ 1024px ─ */
@media (max-width: 1024px) {
  .about-grid         { grid-template-columns: 1fr; gap: 3rem; }
  .about-visual       { max-width: 480px; margin-inline: auto; }
  .pricing-grid       { grid-template-columns: 1fr; max-width: 480px; margin-inline: auto; }
  .pricing-card.featured { order: -1; }
  .ba-gallery         { grid-template-columns: 1fr; max-width: 560px; margin-inline: auto; }
  .contact-grid       { grid-template-columns: 1fr; gap: 2.5rem; }
}

/* ─ Mobile: ≤ 768px ─ */
@media (max-width: 768px) {
  :root { --nav-h: 64px; }

  /* Nav */
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(7,11,15,0.98);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    flex-direction: column;
    align-items: center;
    gap: 0;
    padding: 1.5rem 0 2rem;
    transform: translateY(-120%);
    opacity: 0;
    transition: transform 0.35s ease, opacity 0.35s ease;
    pointer-events: none;
    border-bottom: 1px solid var(--clr-border);
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links li { width: 100%; text-align: center; }
  .nav-links a {
    display: block;
    padding: 0.85rem 2rem;
    font-size: 0.9rem;
  }
  .nav-cta {
    margin: 0.75rem auto 0;
    display: inline-block;
    width: auto;
  }

  /* Hero */
  .hero-ctas   { flex-direction: column; align-items: center; }
  .hero-ctas .btn { width: 100%; max-width: 300px; }
  .stat-divider { display: none; }
  .hero-stats  { gap: 1.5rem; }

  /* About */
  .about       { padding: 5rem 0; }
  .about-badge { right: 0; }

  /* Pricing */
  .pricing     { padding: 5rem 0; }

  /* B/A */
  .beforeafter { padding: 5rem 0; }

  /* Contact */
  .contact            { padding: 5rem 0; }
  .form-row           { grid-template-columns: 1fr; }
  .contact-form-wrap  { padding: 1.75rem 1.25rem; }

  /* Footer */
  .footer-inner { flex-direction: column; text-align: center; }
}

/* ─ Small mobile: ≤ 480px ─ */
@media (max-width: 480px) {
  .hero-title { font-size: clamp(3rem, 16vw, 5rem); }
  .section-title { font-size: clamp(2rem, 8vw, 3rem); }
}

/* ─ iOS Safari fix: tap highlight ─ */
a, button, input, select, textarea {
  -webkit-tap-highlight-color: transparent;
}

/* ══════════════════════════════════════
   FLOATING BACK-TO-PORTFOLIO BUTTON
══════════════════════════════════════ */

/*
 * Animacja ripple oparta o ::after, dzięki czemu NIE koliduje
 * z transition na głównym elemencie (hover, active).
 * Animacja jest zawsze aktywna; na hover pauza + zanik ::after.
 */
@keyframes btn-ripple {
  0% {
    transform: scale(1);
    opacity: 0.65;
  }
  70% {
    transform: scale(1.55);
    opacity: 0;
  }
  100% {
    transform: scale(1.55);
    opacity: 0;
  }
}

.back-to-portfolio {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 9999;

  display: inline-flex;
  align-items: center;
  gap: 0.5rem;

  background: #FFD700;
  color: #111;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  white-space: nowrap;

  padding: 0.7rem 1.2rem 0.7rem 0.95rem;
  border-radius: 100px;
  border: 2px solid transparent;

  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.45);

  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  -webkit-tap-highlight-color: transparent;

  /* transform i box-shadow celowo poza transition – animacja ::after je nie dotyka */
  transition:
    transform    0.28s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow   0.28s ease,
    background   0.22s ease,
    border-color 0.22s ease;
}

/* ─── Pulsujący pierścień (zawsze aktywny) ─── */
.back-to-portfolio::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 100px;
  background: transparent;
  border: 3px solid rgba(255, 215, 0, 0.7);
  pointer-events: none;
  animation: btn-ripple 2.6s ease-out infinite;
  will-change: transform, opacity;
}

/* Na hover – pauza ripple + efekt uniesienia */
.back-to-portfolio:hover::after,
.back-to-portfolio:focus-visible::after {
  animation-play-state: paused;
  opacity: 0;
}

.back-to-portfolio:hover,
.back-to-portfolio:focus-visible {
  transform: translateY(-4px) scale(1.05);
  background: #ffe033;
  border-color: rgba(255, 215, 0, 0.45);
  box-shadow:
    0 10px 30px rgba(0, 0, 0, 0.45),
    0 0 0 7px rgba(255, 215, 0, 0.15);
  outline: none;
}

.back-to-portfolio:active {
  transform: translateY(-1px) scale(0.97);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.4);
}

.back-icon {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  color: #111;
  transition: transform 0.22s ease;
}

.back-to-portfolio:hover .back-icon {
  transform: translateX(-3px);
}

/* ─ Mobile ─ */
@media (max-width: 768px) {
  .back-to-portfolio {
    bottom: 18px;
    right: 16px;
    padding: 0.6rem 1rem 0.6rem 0.8rem;
    font-size: 0.72rem;
  }
}

/* Respektuj preferencję "zredukuj ruch" */
@media (prefers-reduced-motion: reduce) {
  .back-to-portfolio::after {
    animation: none;
  }
}