/* =========================================================
   Dyno Motor Sport — global styles
   ========================================================= */

:root {
  --bg:            #0a0e1a;
  --bg-elevated:   #131826;
  --bg-card:       #181f31;
  --bg-card-hover: #1f2740;
  --primary:       #3d6dd0;
  --primary-light: #5b8bef;
  --primary-dark:  #2a4f9e;
  --primary-glow:  rgba(61, 109, 208, 0.35);
  --text:          #ffffff;
  --text-soft:     #d4d9e4;
  --text-muted:    #8893ac;
  --border:        rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --success:       #3dd07f;
  --warning:       #ffb340;

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

  --max-width: 1280px;
  --gutter:    24px;

  --transition: 220ms cubic-bezier(.2,.7,.3,1);
}

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

html { scroll-behavior: smooth; }

/* Account for fixed navbar when jumping to anchor sections */
#contact-form-section,
#book,
#find-gains,
#services {
  scroll-margin-top: 100px;
}

body {
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: 'Rajdhani', 'Inter', sans-serif;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.8rem); }
h3 { font-size: 1.35rem; }

p { color: var(--text-soft); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--primary-light);
  margin-bottom: 14px;
}

.section { padding: 110px 0; position: relative; }
.section-tight { padding: 70px 0; }

.section-stages {
  background-color: var(--bg);
  background-image:
    linear-gradient(180deg, rgba(10,14,26,0.65) 0%, rgba(10,14,26,0.80) 100%),
    url('../images/red-porsche.jpg');
  background-size: cover;
  background-position: center 80%;
  background-repeat: no-repeat;
}

.section-why {
  background-color: var(--bg);
  background-image:
    linear-gradient(180deg, rgba(10,14,26,0.90) 0%, rgba(10,14,26,0.94) 100%),
    url('../images/hero-bg1.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.section-services {
  background-color: var(--bg-elevated);
  background-image:
    linear-gradient(180deg, rgba(19,24,38,0.92) 0%, rgba(19,24,38,0.96) 100%),
    url('../images/porsche.jpeg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.page-header.chiptuning-header::before {
  background:
    linear-gradient(180deg, rgba(10,14,26,0.78) 0%, rgba(10,14,26,0.92) 100%),
    url('../images/g80.jpg') center/cover no-repeat;
}

.section-explainer {
  background-color: var(--bg);
  background-image:
    linear-gradient(180deg, rgba(10,14,26,0.90) 0%, rgba(10,14,26,0.94) 100%),
    url('../images/wheel.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.section-included {
  background-color: var(--bg);
  background-image:
    linear-gradient(180deg, rgba(10,14,26,0.55) 0%, rgba(10,14,26,0.70) 100%),
    url('../images/e30.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.section-database {
  background-color: var(--bg-elevated);
}

/* ============= Booking widget (Cal.com inline) ============= */
.booking-widget {
  max-width: 1080px;
  margin: 0 auto;
  background: #0c0f15;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  padding: 40px 28px 32px;
  box-shadow: 0 30px 60px -30px rgba(0,0,0,0.7);
}
.booking-widget .eyebrow {
  color: #b8c0cc;
}
.booking-widget h2 {
  color: #e6e8ed;
}
.booking-widget p {
  color: #8a8f9c;
}
#my-cal-inline-tuning-appointment {
  background: #0c0f15;
  color-scheme: dark;
}
#my-cal-inline-tuning-appointment iframe {
  background: transparent !important;
  color-scheme: dark;
}

/* ============= Tuning gains widget — Carbon & Brushed Platinum ============= */

.gains-widget {
  --gw-bg:        #0c0f15;
  --gw-surface:   #13171f;
  --gw-elevated:  #1a1f29;
  --gw-line:      rgba(255, 255, 255, 0.06);
  --gw-line-2:    rgba(255, 255, 255, 0.10);
  --gw-gold:      #b8c0cc;
  --gw-gold-soft: rgba(184, 192, 204, 0.18);
  --gw-gold-hair: rgba(184, 192, 204, 0.32);
  --gw-gold-glow: rgba(184, 192, 204, 0.14);
  --gw-text:      #e6e8ed;
  --gw-text-dim:  #8a8f9c;

  max-width: 1080px;
  margin: 0 auto;
  border-radius: 14px;
  overflow: hidden;
  background: var(--gw-bg);
  border: 1px solid var(--gw-line);
  box-shadow: 0 30px 60px -30px rgba(0,0,0,0.7);
}

.gw-header {
  background: var(--gw-surface);
  padding: 22px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  border-bottom: 1px solid var(--gw-line);
}
.gw-header h3 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--gw-text);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 0;
}
.gw-header .gw-poweredby {
  color: var(--gw-text-dim);
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  text-transform: uppercase;
}

.gw-controls {
  padding: 28px 32px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  background: var(--gw-surface);
}
.gw-controls .gw-button { grid-column: 1 / -1; margin-top: 6px; }

@media (max-width: 920px) { .gw-controls { grid-template-columns: 1fr 1fr 1fr; } }
@media (max-width: 580px) { .gw-controls { grid-template-columns: 1fr 1fr; } }
@media (max-width: 380px) { .gw-controls { grid-template-columns: 1fr; } }

.gw-select {
  min-width: 0;
  background: var(--gw-bg);
  color: var(--gw-text);
  border: 1px solid var(--gw-line-2);
  border-radius: 4px;
  height: 46px;
  padding: 0 34px 0 14px;
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  outline: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  text-overflow: ellipsis;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%23b8c0cc' d='M0 0l5 6 5-6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  transition: var(--transition);
}
.gw-select:hover:not(:disabled) { border-color: var(--gw-gold-hair); }
.gw-select:focus {
  border-color: var(--gw-gold);
  box-shadow: 0 0 0 3px var(--gw-gold-glow);
}
.gw-select:disabled { opacity: 0.35; cursor: not-allowed; }

.gw-button {
  background: transparent;
  color: var(--gw-gold);
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-size: 0.85rem;
  height: 50px;
  border: 1px solid var(--gw-gold);
  border-radius: 4px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.gw-button:hover:not(:disabled) {
  background: var(--gw-gold);
  color: #0c0f15;
}
.gw-button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  border-color: var(--gw-line-2);
  color: var(--gw-text-dim);
}

.gw-results {
  padding: 36px 32px 32px;
  background: var(--gw-bg);
  border-top: 1px solid var(--gw-line);
}
.gw-vehicle-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--gw-text);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 8px;
}
.gw-vehicle-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: var(--gw-gold);
  margin: 14px auto 28px;
}

.gw-stats-grid { display: grid; gap: 14px; margin-bottom: 28px; }
.gw-stat-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
}
@media (max-width: 640px) { .gw-stat-row { grid-template-columns: 1fr; } }

.gw-stat-card {
  background: var(--gw-surface);
  border: 1px solid var(--gw-line);
  border-radius: 6px;
  padding: 22px 18px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: var(--transition);
}
.gw-stat-standard { }
.gw-stat-tuned    { background: var(--gw-elevated); border-color: var(--gw-line-2); }
.gw-stat-diff {
  background: var(--gw-elevated);
  border-color: var(--gw-gold-hair);
  position: relative;
}
.gw-stat-diff::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--gw-gold);
}

.gw-stat-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--gw-text-dim);
  font-weight: 500;
}
.gw-stat-value {
  font-family: 'Rajdhani', sans-serif;
  font-size: 2.1rem;
  font-weight: 600;
  color: var(--gw-text);
  line-height: 1;
  letter-spacing: -0.01em;
}
.gw-stat-value .unit {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--gw-text-dim);
  margin-left: 6px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.gw-stat-diff .gw-stat-value { color: var(--gw-gold); }

.gw-meta-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  padding: 22px 0;
  border-top: 1px solid var(--gw-line);
  border-bottom: 1px solid var(--gw-line);
  margin-bottom: 22px;
}
@media (max-width: 640px) { .gw-meta-grid { grid-template-columns: 1fr 1fr; gap: 18px 0; } }

.gw-meta {
  text-align: center;
  font-size: 0.72rem;
  color: var(--gw-text-dim);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0 12px;
  border-right: 1px solid var(--gw-line);
}
.gw-meta:last-child { border-right: 0; }
@media (max-width: 640px) {
  .gw-meta:nth-child(2n) { border-right: 0; }
}
.gw-meta strong {
  display: block;
  margin-top: 6px;
  font-family: 'Rajdhani', sans-serif;
  color: var(--gw-text);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: none;
}

.gw-footnote {
  text-align: center;
  color: var(--gw-text-dim);
  font-size: 0.85rem;
  margin: 0;
  line-height: 1.7;
  max-width: 640px;
  margin: 0 auto;
}
.gw-footnote a {
  color: var(--gw-gold);
  text-decoration: none;
  border-bottom: 1px solid var(--gw-gold-hair);
  padding-bottom: 1px;
  transition: var(--transition);
}
.gw-footnote a:hover { border-bottom-color: var(--gw-gold); }

.gw-empty {
  padding: 56px 32px;
  text-align: center;
}
.gw-empty h4 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--gw-text);
  margin-bottom: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.gw-empty h4::after {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--gw-gold);
  margin: 14px auto 18px;
}
.gw-empty p {
  color: var(--gw-text-dim);
  font-size: 0.92rem;
  margin: 0 auto 24px;
  max-width: 480px;
  line-height: 1.7;
}
.gw-empty .btn {
  background: transparent;
  color: var(--gw-gold);
  border: 1px solid var(--gw-gold);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-size: 0.82rem;
  padding: 14px 32px;
}
.gw-empty .btn:hover { background: var(--gw-gold); color: #0c0f15; }

/* ----- Rating ----- */
.gw-rating {
  text-align: center;
  margin: 0 auto 28px;
  padding: 22px 18px;
  border: 1px solid var(--gw-line);
  border-radius: 6px;
  background: var(--gw-surface);
  max-width: 520px;
}
.gw-rating-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--gw-text-dim);
  margin-bottom: 14px;
}
.gw-rating-bar {
  display: inline-flex;
  gap: 6px;
  margin-bottom: 14px;
  align-items: center;
}
.gw-dot {
  width: 28px;
  height: 4px;
  background: var(--gw-line-2);
  border-radius: 1px;
  transition: var(--transition);
}
.gw-dot.on { background: var(--gw-gold); }
.gw-rating-text {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1rem;
  color: var(--gw-text);
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}
.gw-rating-text strong {
  color: var(--gw-gold);
  font-weight: 600;
  letter-spacing: 0.08em;
}
.gw-rating-note {
  font-size: 0.72rem;
  color: var(--gw-text-dim);
  letter-spacing: 0.04em;
}

/* ----- Quote form ----- */
.gw-quote {
  margin-top: 28px;
  padding-top: 32px;
  border-top: 1px solid var(--gw-line);
  text-align: center;
}
.gw-quote h4 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--gw-text);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.gw-quote h4::after {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--gw-gold);
  margin: 12px auto 16px;
}
.gw-quote > p {
  font-size: 0.88rem;
  color: var(--gw-text-dim);
  margin: 0 auto 22px;
  max-width: 480px;
  line-height: 1.7;
}
.gw-quote-form {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 10px;
  max-width: 640px;
  margin: 0 auto;
}
.gw-quote-form input {
  background: var(--gw-bg);
  border: 1px solid var(--gw-line-2);
  border-radius: 4px;
  height: 46px;
  padding: 0 14px;
  color: var(--gw-text);
  font-family: inherit;
  font-size: 0.92rem;
  outline: none;
  min-width: 0;
  transition: var(--transition);
}
.gw-quote-form input:focus {
  border-color: var(--gw-gold);
  box-shadow: 0 0 0 3px var(--gw-gold-glow);
}
.gw-quote-form input::placeholder { color: var(--gw-text-dim); }
.gw-quote-btn {
  background: transparent;
  color: var(--gw-gold);
  border: 1px solid var(--gw-gold);
  border-radius: 4px;
  height: 46px;
  padding: 0 22px;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.82rem;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.gw-quote-btn:hover:not(:disabled) {
  background: var(--gw-gold);
  color: #0c0f15;
}
.gw-quote-btn:disabled { opacity: 0.5; cursor: wait; }

@media (max-width: 580px) {
  .gw-quote-form { grid-template-columns: 1fr; }
}

.gw-quote-result { margin-top: 24px; }
.gw-quote-price {
  background: var(--gw-elevated);
  border: 1px solid var(--gw-gold-hair);
  border-radius: 6px;
  padding: 28px 22px;
  margin: 0 auto 18px;
  max-width: 420px;
  text-align: center;
}
.gw-quote-price-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--gw-text-dim);
  margin-bottom: 10px;
}
.gw-quote-price-value {
  font-family: 'Rajdhani', sans-serif;
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--gw-gold);
  line-height: 1;
  margin-bottom: 14px;
}
.gw-quote-price-value span {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gw-text-dim);
  letter-spacing: 0.14em;
  margin-left: 8px;
  text-transform: uppercase;
}
.gw-quote-custom-value {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.7rem;
  font-weight: 600;
  color: var(--gw-gold);
  line-height: 1.2;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.gw-quote-price-note {
  font-size: 0.78rem;
  color: var(--gw-text-dim);
  letter-spacing: 0.04em;
  line-height: 1.6;
}
.gw-quote-confirm {
  color: var(--gw-text);
  font-size: 0.92rem;
  line-height: 1.7;
  max-width: 520px;
  margin: 0 auto;
}
.gw-quote-error {
  color: #d49b6e;
  font-size: 0.9rem;
  text-align: center;
  margin: 0 auto;
  max-width: 480px;
  line-height: 1.6;
}

/* ----- Not Recommended state ----- */
.gw-rating-warning {
  --gw-warn: #c9a973;
  border-color: rgba(201, 169, 115, 0.30);
  background: rgba(201, 169, 115, 0.04);
  max-width: 600px;
  padding: 26px 22px;
}
.gw-rating-warning-badge {
  display: inline-block;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gw-warn);
  border: 1px solid var(--gw-warn);
  border-radius: 4px;
  padding: 8px 18px;
  margin-bottom: 18px;
}
.gw-rating-summary {
  color: var(--gw-text);
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 500px;
  margin: 0 auto 14px;
}
.gw-rating-warning .gw-rating-note {
  color: var(--gw-text-dim);
  font-style: italic;
  max-width: 500px;
  margin: 0 auto;
  letter-spacing: 0.02em;
  line-height: 1.6;
}

/* ----- Skip-quote CTA (shown when we don't recommend tuning) ----- */
.gw-quote-skip {
  margin-top: 28px;
  padding-top: 32px;
  border-top: 1px solid var(--gw-line);
  text-align: center;
}
.gw-quote-skip h4 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--gw-text);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.gw-quote-skip h4::after {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--gw-gold);
  margin: 12px auto 16px;
}
.gw-quote-skip p {
  font-size: 0.9rem;
  color: var(--gw-text-dim);
  margin: 0 auto 24px;
  max-width: 540px;
  line-height: 1.75;
}
.gw-quote-talk-btn {
  display: inline-block;
  background: transparent;
  color: var(--gw-gold);
  border: 1px solid var(--gw-gold);
  border-radius: 4px;
  padding: 14px 36px;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-size: 0.82rem;
  cursor: pointer;
  transition: var(--transition);
}
.gw-quote-talk-btn:hover {
  background: var(--gw-gold);
  color: #0c0f15;
}

/* ----- WhatsApp CTA button ----- */
.gw-quote-cta-text {
  font-size: 0.88rem;
  color: var(--gw-text-dim);
  margin: 0 auto 22px;
  max-width: 500px;
  text-align: center;
  line-height: 1.7;
}
.gw-quote { text-align: center; margin-top: 28px; padding-top: 32px; border-top: 1px solid var(--gw-line); }

.gw-whatsapp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: transparent;
  color: var(--gw-gold);
  border: 1px solid var(--gw-gold);
  border-radius: 4px;
  padding: 14px 32px;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  min-height: 50px;
}
.gw-whatsapp-btn svg {
  flex-shrink: 0;
  fill: #25D366;
  transition: var(--transition);
}
.gw-whatsapp-btn:hover {
  background: var(--gw-gold);
  color: #0c0f15;
}
.gw-whatsapp-btn:hover svg { fill: #0c0f15; }

.section-head {
  max-width: 760px;
  margin: 0 auto 60px;
  text-align: center;
}
.section-head p { color: var(--text-muted); margin-top: 14px; font-size: 1.05rem; }

/* =========================================================
   Buttons
   ========================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 24px -8px var(--primary-glow);
}
.btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 14px 32px -10px var(--primary-glow);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary-light);
}
.btn-whatsapp {
  background: #25D366;
  color: #fff;
}
.btn-whatsapp:hover {
  background: #1ebd5b;
  transform: translateY(-2px);
}

/* =========================================================
   Navbar
   ========================================================= */

.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  background: rgba(10, 14, 26, 0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
.navbar.scrolled {
  padding: 10px 0;
  background: rgba(10, 14, 26, 0.92);
  border-bottom-color: var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-brand {
  display: flex;
  align-items: center;
}
.nav-brand img {
  height: 48px;
  width: auto;
  filter: drop-shadow(0 0 2px rgba(255,255,255,0.55)) drop-shadow(0 0 4px rgba(255,255,255,0.25));
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-size: 0.95rem;
  color: var(--text-soft);
  font-weight: 500;
  position: relative;
  transition: var(--transition);
}
.nav-links a:hover { color: var(--primary-light); }
.nav-links a.active { color: var(--text); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -8px; left: 0; right: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.nav-cta { display: flex; gap: 12px; align-items: center; }

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  margin: 5px 0;
  transition: var(--transition);
}

/* =========================================================
   Hero
   ========================================================= */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  overflow: hidden;
  isolation: isolate;
  background-color: #0a0e1a;
  background-image:
    linear-gradient(180deg, rgba(10,14,26,0.55) 0%, rgba(10,14,26,0.85) 100%),
    url('../images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(61, 109, 208, 0.28), transparent 55%),
    radial-gradient(ellipse at 80% 70%, rgba(91, 139, 239, 0.14), transparent 50%);
  z-index: -2;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  z-index: -1;
}
.hero-content {
  max-width: 860px;
}
.hero h1 {
  margin-bottom: 22px;
}
.hero h1 .accent {
  color: var(--primary-light);
  position: relative;
}
.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 620px;
  margin-bottom: 38px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-stats {
  margin-top: 80px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}
.hero-stat .num {
  font-family: 'Rajdhani', sans-serif;
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--primary-light);
  line-height: 1;
}
.hero-stat .label {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-top: 6px;
}

/* =========================================================
   Page header (used by inner pages)
   ========================================================= */

.page-header {
  padding: 180px 0 80px;
  text-align: center;
  position: relative;
  isolation: isolate;
}
.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at center top, rgba(61, 109, 208, 0.18), transparent 60%),
    linear-gradient(180deg, #0a0e1a 0%, #131826 100%);
  z-index: -1;
}
.page-header p { max-width: 640px; margin: 18px auto 0; color: var(--text-muted); font-size: 1.1rem; }

/* =========================================================
   Service cards
   ========================================================= */

.services-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  justify-content: center;
}
.service-card {
  flex: 0 1 290px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  transition: var(--transition);
}
.service-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  border-color: var(--border-strong);
}
.service-card:hover::before { width: 100%; }
.service-card .icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(61, 109, 208, 0.12);
  color: var(--primary-light);
  display: grid;
  place-items: center;
  margin-bottom: 22px;
}
.service-card h3 { margin-bottom: 10px; }
.service-card p { color: var(--text-muted); font-size: 0.95rem; }

/* =========================================================
   Stage cards (chiptuning)
   ========================================================= */

.stages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 24px;
  margin-top: 40px;
}
.stage-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  position: relative;
  transition: var(--transition);
}
.stage-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary-dark);
  box-shadow: 0 20px 50px -20px rgba(61, 109, 208, 0.3);
}
.stage-card.featured {
  background: linear-gradient(180deg, rgba(61,109,208,0.10), var(--bg-card));
  border-color: var(--primary);
}
.stage-card .badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--primary);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
}
.stage-card .stage-num {
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--primary-light);
  margin-bottom: 6px;
}
.stage-card h3 {
  font-size: 1.8rem;
  margin-bottom: 22px;
}
.stage-gains {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 22px 0;
  margin-bottom: 22px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stage-gains .gain .num {
  font-family: 'Rajdhani', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
}
.stage-gains .gain .label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}
.stage-features { list-style: none; margin-bottom: 24px; }
.stage-features li {
  padding: 8px 0;
  color: var(--text-soft);
  font-size: 0.95rem;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.stage-features li::before {
  content: '✓';
  color: var(--primary-light);
  font-weight: 700;
  flex-shrink: 0;
}

/* =========================================================
   Two-column blocks
   ========================================================= */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.split-visual {
  background: linear-gradient(135deg, rgba(61,109,208,0.18), rgba(61,109,208,0.04));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  aspect-ratio: 4/3;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}
.split-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(91,139,239,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91,139,239,0.08) 1px, transparent 1px);
  background-size: 40px 40px;
}
.split-visual svg { position: relative; z-index: 1; color: var(--primary-light); opacity: 0.9; }
.split-visual img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* =========================================================
   Process steps
   ========================================================= */

.process {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  counter-reset: step;
}
.process-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: relative;
}
.process-step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: 'Rajdhani', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary);
  opacity: 0.25;
  position: absolute;
  top: 16px; right: 20px;
  line-height: 1;
}
.process-step h3 { font-size: 1.15rem; margin-bottom: 8px; }
.process-step p { font-size: 0.92rem; color: var(--text-muted); }

/* =========================================================
   CTA banner
   ========================================================= */

.cta-banner {
  background-color: var(--primary-dark);
  background-image:
    linear-gradient(135deg, rgba(42,79,158,0.78) 0%, rgba(61,109,208,0.65) 100%),
    url('../images/gtr.jpg');
  background-size: cover;
  background-position: 30% 75%;
  background-repeat: no-repeat;
  border-radius: var(--radius-lg);
  padding: 60px 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: linear-gradient(180deg, transparent, black);
  -webkit-mask-image: linear-gradient(180deg, transparent, black);
}
.cta-banner h2 { color: #fff; margin-bottom: 8px; }
.cta-banner p { color: rgba(255,255,255,0.85); margin-bottom: 0; max-width: 520px; }
.cta-banner .btn { z-index: 1; }
.cta-banner .btn-ghost {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border-color: rgba(255,255,255,0.3);
}
.cta-banner .btn-ghost:hover { background: #fff; color: var(--primary); }

/* =========================================================
   FAQ
   ========================================================= */

.faq { max-width: 820px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: var(--text);
  padding: 22px 0;
  font-size: 1.1rem;
  font-weight: 600;
  font-family: 'Rajdhani', sans-serif;
  letter-spacing: 0.02em;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  transition: var(--transition);
}
.faq-question:hover { color: var(--primary-light); }
.faq-question .icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  display: grid;
  place-items: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-item.open .faq-question .icon {
  background: var(--primary);
  border-color: var(--primary);
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms ease;
}
.faq-answer-inner {
  padding: 0 0 24px;
  color: var(--text-muted);
}

/* =========================================================
   Forms
   ========================================================= */

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-grid .full { grid-column: 1 / -1; }

.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-soft);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.96rem;
  transition: var(--transition);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}
.field textarea { resize: vertical; min-height: 130px; }

/* =========================================================
   Contact methods
   ========================================================= */

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 50px;
  align-items: start;
}
.contact-methods {
  display: grid;
  gap: 16px;
  margin-bottom: 30px;
}
.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  display: flex;
  gap: 18px;
  align-items: center;
  transition: var(--transition);
}
.contact-card:hover {
  border-color: var(--primary-dark);
  transform: translateX(4px);
}
.contact-card .ic {
  width: 46px; height: 46px;
  border-radius: var(--radius-sm);
  background: rgba(61, 109, 208, 0.12);
  color: var(--primary-light);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.contact-card .info .label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}
.contact-card .info .val { font-weight: 600; font-size: 1.02rem; }

.booking-placeholder {
  background: var(--bg-card);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
}
.booking-placeholder h3 { margin-bottom: 8px; }
.booking-placeholder p { color: var(--text-muted); font-size: 0.95rem; }

/* =========================================================
   Footer
   ========================================================= */

.footer {
  background: #060912;
  border-top: 1px solid var(--border);
  padding: 70px 0 30px;
  margin-top: 60px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 50px;
}
.footer-brand img {
  height: 56px;
  margin-bottom: 16px;
  filter: drop-shadow(0 0 2px rgba(255,255,255,0.55)) drop-shadow(0 0 4px rgba(255,255,255,0.25));
}
.footer-brand p { color: var(--text-muted); font-size: 0.92rem; max-width: 280px; }
.footer-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-bottom: 18px;
  font-weight: 600;
}
.footer-col ul { list-style: none; display: grid; gap: 10px; }
.footer-col a {
  color: var(--text-soft);
  font-size: 0.95rem;
  transition: var(--transition);
}
.footer-col a:hover { color: var(--primary-light); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 12px;
}

/* =========================================================
   Reveal animations
   ========================================================= */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(.2,.7,.3,1);
}
.reveal.in {
  opacity: 1;
  transform: none;
}

/* =========================================================
   Responsive
   ========================================================= */

@media (max-width: 960px) {
  .split { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .section { padding: 80px 0; }
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: rgba(10, 14, 26, 0.97);
    backdrop-filter: blur(14px);
    flex-direction: column;
    align-items: stretch;
    padding: 24px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    transition: transform 280ms ease;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a {
    display: block;
    padding: 14px 8px;
    border-radius: var(--radius-sm);
  }
  .nav-links a.active::after { display: none; }
  .nav-cta .btn-ghost { display: none; }

  .form-grid { grid-template-columns: 1fr; }
  .cta-banner { padding: 40px 28px; flex-direction: column; align-items: flex-start; text-align: left; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { padding: 110px 0 60px; min-height: auto; }
  .hero-stats { margin-top: 50px; }
}

@media (max-width: 480px) {
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 18px; }
  .hero-actions .btn { flex: 1; }
}