/* ============================================================
   EVT Tech Ltd — Falkenklev-Inspired Design
   Warm sand palette · Bold condensed headings · Clean layout
   ============================================================ */

/* ---- Design Tokens ---- */
:root {
  --sand:          #EDEAE0;
  --snow:          #F8F6F1;
  --white:         #FFFFFF;
  --navy:          #0E2841;
  --navy-deep:     #091D2E;
  --navy-mid:      #132f4c;
  --gold:          #FCC419;
  --gold-dark:     #FBC218;
  --charcoal:      #1A1A1A;
  --mid:           #505050;
  --muted:         #888;
  --light:         #F5F3F0;
  --border-sand:   #D5D1C7;
  --border-navy:   rgba(255, 255, 255, 0.1);

  --font-display:  'Barlow Condensed', sans-serif;
  --font-body:     'Inter', system-ui, -apple-system, sans-serif;

  --ease:          0.3s ease;
  --ease-med:      0.5s ease;

  --max-w:         1400px;
  --gutter:        clamp(1.5rem, 5vw, 4.5rem);
  --section-pad:   clamp(5rem, 10vw, 9rem);
}

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

/* ---- Base ---- */
html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background: var(--sand);
  color: var(--charcoal);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

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

/* ---- Display Heading ---- */
.display-h {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--charcoal);
}
.display-h--light { color: var(--light); }

/* ---- Section Tag ---- */
.tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.1rem;
}
.tag--light { color: rgba(245, 243, 240, 0.45); }

/* ---- Arrow Circle CTA ---- */
.arrow-circ {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1.5px solid currentColor;
  font-size: 1rem;
  flex-shrink: 0;
  transition: background var(--ease), color var(--ease), border-color var(--ease);
  line-height: 1;
}
.arrow-circ--gold {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--navy);
}

/* ---- Arrow Link ---- */
.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--charcoal);
  transition: gap var(--ease);
}
.arrow-link:hover { gap: 1.3rem; }
.arrow-link:hover .arrow-circ {
  background: var(--charcoal);
  color: var(--light);
  border-color: var(--charcoal);
}
.arrow-link--light { color: var(--light); }
.arrow-link--light:hover .arrow-circ {
  background: var(--light);
  color: var(--navy);
  border-color: var(--light);
}
.arrow-link--hero { color: var(--light); }
.arrow-link--hero:hover .arrow-circ {
  background: var(--light);
  color: var(--navy);
  border-color: var(--light);
}
.arrow-link--ghost { opacity: 0.6; }
.arrow-link--ghost:hover { opacity: 1; }

/* ---- Solid Button ---- */
.btn-solid {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  background: var(--light);
  color: var(--navy);
  font-weight: 600;
  font-size: 0.88rem;
  padding: 0.85rem 1.25rem 0.85rem 1.75rem;
  border-radius: 100px;
  transition: background var(--ease);
  border: none;
  cursor: pointer;
}
.btn-solid:hover { background: var(--snow); }
.btn-solid .arrow-circ {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--navy);
  width: 34px;
  height: 34px;
}
.btn-solid:hover .arrow-circ { background: var(--gold-dark); border-color: var(--gold-dark); }

/* ---- Outline Button ---- */
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  color: var(--light);
  font-weight: 600;
  font-size: 0.88rem;
  padding: 0.85rem 1.25rem 0.85rem 1.75rem;
  border-radius: 100px;
  border: 1.5px solid rgba(245, 243, 240, 0.3);
  transition: border-color var(--ease), background var(--ease);
  cursor: pointer;
}
.btn-outline:hover { border-color: var(--light); background: rgba(255,255,255,0.06); }
.btn-outline .arrow-circ { width: 34px; height: 34px; color: var(--light); }
.btn-outline:hover .arrow-circ { background: var(--light); color: var(--navy); border-color: var(--light); }

/* ====================================================
   NAVIGATION
   ==================================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: box-shadow var(--ease);
}
.nav::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(248, 246, 241, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0;
  transition: opacity var(--ease);
}
.nav.scrolled::before {
  opacity: 1;
}
.nav.scrolled {
  box-shadow: 0 1px 0 var(--border-sand);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-logo {
  display: flex;
  align-items: baseline;
  gap: 0.1rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.45rem;
  letter-spacing: -0.01em;
  line-height: 1;
  color: var(--light);
  transition: color var(--ease);
}
.nav.scrolled .nav-logo { color: var(--navy); }
.logo-evt { color: inherit; }
.logo-tech { color: var(--gold); }
.logo-ltd {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: rgba(245, 243, 240, 0.55);
  align-self: flex-end;
  padding-bottom: 0.2em;
  margin-left: 0.2rem;
}
.nav.scrolled .logo-ltd { color: var(--muted); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}
.nav-links a {
  font-size: 0.84rem;
  font-weight: 500;
  color: rgba(245, 243, 240, 0.75);
  transition: color var(--ease);
}
.nav-links a:hover { color: var(--light); }
.nav-links a[aria-current="page"] { color: var(--gold); font-weight: 600; }
.nav.scrolled .nav-links a { color: var(--mid); }
.nav.scrolled .nav-links a:hover { color: var(--charcoal); }
.nav.scrolled .nav-links a[aria-current="page"] { color: var(--gold-dark); }

.nav-links .nav-cta {
  background: var(--gold);
  color: var(--navy) !important;
  padding: 0.45rem 1.15rem;
  border-radius: 100px;
  font-weight: 600;
  transition: background var(--ease);
}
.nav-links .nav-cta:hover { background: var(--gold-dark) !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--light);
  border-radius: 2px;
  transition: transform var(--ease), opacity var(--ease);
}
.nav.scrolled .nav-toggle span { background: var(--charcoal); }

/* ====================================================
   HERO
   ==================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.hero-media {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
  filter: grayscale(15%) contrast(1.08);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(9, 29, 46, 0.92) 0%,
    rgba(9, 29, 46, 0.78) 45%,
    rgba(9, 29, 46, 0.45) 100%
  );
}

.hero-content {
  position: relative;
  flex: 1;
  display: flex;
  align-items: flex-end;
  padding-bottom: 3.5rem;
  padding-top: 10rem;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.8rem, 9vw, 8.5rem);
  font-weight: 900;
  line-height: 0.93;
  letter-spacing: -0.02em;
  color: var(--light);
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: 1rem;
  color: rgba(245, 243, 240, 0.6);
  font-weight: 400;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.hero-bar {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(9, 29, 46, 0.65);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 1.2rem 0;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.hstat {
  padding: 0 1.25rem;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.hstat:first-child { border-left: none; }
.hstat-value {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
}
.hstat-label {
  font-size: 0.68rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.45);
}

/* ====================================================
   INTRO / ABOUT
   ==================================================== */
.intro-section {
  background: var(--sand);
  padding: var(--section-pad) 0;
}
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.intro-right p {
  font-size: 1.05rem;
  color: var(--mid);
  line-height: 1.85;
  margin-bottom: 1.25rem;
}
.intro-bold {
  font-weight: 600;
  color: var(--charcoal) !important;
  font-size: 1.05rem;
  margin-bottom: 2rem !important;
}

/* ====================================================
   SERVICES TILES
   ==================================================== */
.services-section {
  background: var(--snow);
  padding-bottom: clamp(3rem, 6vw, 6rem);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1.5px solid var(--border-sand);
  border-bottom: 1.5px solid var(--border-sand);
}
.stile {
  display: block;
  border-right: 1.5px solid var(--border-sand);
  background: var(--snow);
  transition: background var(--ease);
}
.stile:last-child { border-right: none; }
.stile:hover { background: var(--sand); }
.stile--gold { background: var(--navy); }
.stile--gold:hover { background: var(--navy-mid); }

.stile-inner {
  padding: clamp(2rem, 4vw, 3.5rem);
  min-height: 340px;
  display: flex;
  flex-direction: column;
}
.stile-num {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: auto;
}
.stile--gold .stile-num { color: rgba(255,255,255,0.3); }

.stile-body { padding-top: 2rem; }
.stile-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 2.8vw, 2.4rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--charcoal);
  margin-bottom: 0.8rem;
}
.stile--gold .stile-title { color: var(--light); }

.stile-desc {
  font-size: 0.88rem;
  color: var(--mid);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}
.stile--gold .stile-desc { color: rgba(245, 243, 240, 0.6); }

.stile-arrow {
  width: 36px;
  height: 36px;
  font-size: 0.88rem;
  color: var(--charcoal);
}
.stile--gold .stile-arrow { color: var(--gold); }
.stile:not(.stile--gold):hover .stile-arrow {
  background: var(--navy);
  color: var(--light);
  border-color: var(--navy);
}
.stile--gold:hover .stile-arrow {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--navy);
}

/* ====================================================
   VOLTA ZERO FEATURE
   ==================================================== */
.truck-section {
  background: var(--navy);
  padding: var(--section-pad) 0;
  overflow: hidden;
}
.truck-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.truck-intro {
  font-size: 0.95rem;
  color: rgba(245, 243, 240, 0.6);
  line-height: 1.8;
  margin-top: 1.5rem;
}
.specs {
  margin: 2.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.spec-n {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.38);
}
.spec-v {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--light);
}

.truck-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at center, rgba(252, 196, 25, 0.08) 0%, transparent 65%);
  border-radius: 20px;
  padding: 3rem;
  min-height: 400px;
}
.truck-img {
  max-height: 480px;
  object-fit: contain;
  filter: drop-shadow(0 24px 64px rgba(0,0,0,0.6));
}

/* ====================================================
   ENGINEERING
   ==================================================== */
.eng-section {
  background: var(--snow);
  padding: var(--section-pad) 0;
}
.eng-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.eng-left p {
  font-size: 1rem;
  color: var(--mid);
  line-height: 1.85;
  margin: 1.5rem 0 2rem;
}
.caps-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 2rem;
}
.caps-cloud span {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--charcoal);
  background: var(--sand);
  border: 1px solid var(--border-sand);
  padding: 0.4rem 0.9rem;
  border-radius: 100px;
  transition: background var(--ease), border-color var(--ease);
}
.caps-cloud span:hover {
  background: var(--navy);
  color: var(--light);
  border-color: var(--navy);
}

.mira-block {
  padding: 1.5rem;
  border: 1px solid var(--border-sand);
  border-radius: 12px;
  background: var(--sand);
}
.mira-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.3rem;
}
.mira-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--charcoal);
  margin-bottom: 0.2rem;
}
.mira-addr {
  font-size: 0.85rem;
  color: var(--mid);
}

/* ====================================================
   BATTERY
   ==================================================== */
.bat-section {
  background: var(--navy-deep);
  padding: var(--section-pad) 0;
}
.bat-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4rem 6rem;
  align-items: start;
}
.bat-stat {
  display: flex;
  flex-direction: column;
  padding-top: 2.5rem;
}
.bat-num {
  font-family: var(--font-display);
  font-size: clamp(5rem, 11vw, 9.5rem);
  font-weight: 900;
  line-height: 0.88;
  color: var(--gold);
  letter-spacing: -0.03em;
}
.bat-unit {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 2.2rem);
  font-weight: 700;
  color: rgba(252, 196, 25, 0.45);
  letter-spacing: 0.05em;
}
.bat-sub {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.25);
  margin-top: 0.4rem;
}
.bat-desc {
  font-size: 1rem;
  color: rgba(245, 243, 240, 0.65);
  line-height: 1.85;
  margin: 1.25rem 0 2rem;
}
.bat-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  padding: 1.5rem 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.bat-feat { display: flex; flex-direction: column; gap: 0.3rem; }
.bat-feat-title {
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--light);
}
.bat-feat-desc {
  font-size: 0.75rem;
  color: rgba(245, 243, 240, 0.4);
  line-height: 1.55;
}

/* ====================================================
   CONTACT
   ==================================================== */
.contact-section {
  background: var(--navy);
  padding: var(--section-pad) 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.contact-sub {
  font-size: 1rem;
  color: rgba(245, 243, 240, 0.6);
  line-height: 1.85;
  margin-top: 1.5rem;
}
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.cdetail { display: flex; flex-direction: column; gap: 0.2rem; }
.cdetail-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
}
.cdetail-value {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--light);
  line-height: 1.6;
}
.cdetail-link { transition: color var(--ease); }
.cdetail-link:hover { color: var(--gold); }

/* ====================================================
   FOOTER
   ==================================================== */
.footer {
  background: var(--navy-deep);
  padding: 2.5rem 0 2rem;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-brand { font-size: 1.25rem; }
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  margin-bottom: 1.25rem;
}
.footer-nav {
  display: flex;
  gap: 1.75rem;
}
.footer-nav a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.38);
  transition: color var(--ease);
}
.footer-nav a:hover { color: var(--light); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-addr, .footer-copy {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.25);
}

/* ====================================================
   SKETCH SCROLL SECTION
   ==================================================== */
.sketch-section {
  height: 260vh;
  background: var(--snow);
}
.sketch-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  background: var(--snow);
  overflow: hidden;
}
.sketch-header {
  text-align: center;
  pointer-events: none;
}
.sketch-header .tag { margin-bottom: 0.3rem; }
.sketch-caption {
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 400;
}
.sketch-wrap {
  position: relative;
  line-height: 0;
  max-width: min(92vw, 1080px);
  border-radius: 6px;
  box-shadow: 0 4px 48px rgba(0, 0, 0, 0.07);
  overflow: hidden; /* keeps wave line clipped to image bounds */
}
/* Both layers share same display sizing */
.sketch-layer {
  display: block;
  width: 100%;
  height: auto;
  max-height: 68vh;
  object-fit: contain;
}
/* Bottom: already line-art — no filter needed */
.sketch-layer--sketch {
  filter: none;
}
/* Top: original photo, clips from the left as scroll progresses */
.sketch-layer--photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  clip-path: inset(0 0 0 var(--sketch-wave, 0%));
}
/* Gold wave line — positioned at the clip boundary */
.sketch-wave-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--sketch-wave, 0%);
  width: 2px;
  background: linear-gradient(to bottom, transparent 0%, var(--gold) 40%, var(--gold) 60%, transparent 100%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.sketch-wave-line.active { opacity: 0.85; }

.sketch-progress {
  width: min(92vw, 1080px);
  height: 2px;
  background: rgba(0,0,0,0.07);
  border-radius: 2px;
  overflow: hidden;
}
.sketch-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--gold);
  border-radius: 2px;
  transition: width 0.05s linear;
}
.sketch-hint {
  position: absolute;
  bottom: 2.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  transition: opacity 0.6s ease;
  pointer-events: none;
}
.sketch-hint.hidden { opacity: 0; }
.sketch-hint-arrow {
  animation: hint-bounce 1.4s ease-in-out infinite;
}
@keyframes hint-bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(4px); }
}

/* ====================================================
   ANIMATIONS
   ==================================================== */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s ease, transform 0.75s ease;
  transition-delay: var(--delay, 0s);
}
.fade-up.visible {
  opacity: 1;
  transform: none;
}

/* ====================================================
   RESPONSIVE
   ==================================================== */
@media (max-width: 1100px) {
  .intro-grid,
  .eng-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }

  .truck-grid { grid-template-columns: 1fr; gap: 3rem; }
  .truck-visual { min-height: 320px; padding: 1.75rem; }

  .bat-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .bat-stat { flex-direction: row; align-items: baseline; gap: 0.5rem; padding-top: 0; }
  .bat-features { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hero-title { font-size: clamp(3.2rem, 14vw, 5.5rem); }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hstat:nth-child(3) { border-left: none; }

  .services-grid { grid-template-columns: 1fr; }
  .stile { border-right: none; border-bottom: 1.5px solid var(--border-sand); }
  .stile:last-child { border-bottom: none; }
  .stile--gold { border-bottom: none; }

  .nav-links {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--navy-deep);
    padding: 1.5rem var(--gutter) 2rem;
    overflow-y: auto;
    z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-links.open li { width: 100%; }
  .nav-links.open li:last-child { margin-top: 2rem; }
  .nav-links.open a {
    display: block;
    font-size: 1.15rem;
    color: var(--light) !important;
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.07);
    width: 100%;
  }
  .nav-links.open a[aria-current="page"] {
    color: var(--gold) !important;
  }
  .nav-links.open .nav-cta {
    border-radius: 100px;
    background: var(--gold) !important;
    color: var(--navy) !important;
    padding: 0.7rem 1.25rem;
    text-align: center;
    border-bottom: none;
  }
  .nav-toggle { display: flex; }

  .bat-features { grid-template-columns: 1fr; }

  .footer-top { flex-direction: column; align-items: flex-start; gap: 1.25rem; }
  .footer-nav { flex-wrap: wrap; gap: 0.75rem 1.25rem; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 0.4rem; }

  /* Reduce section padding and visual noise on mobile */
  :root { --section-pad: 4rem; }
  .display-h { font-size: clamp(1.9rem, 6.5vw, 2.4rem); }
  .stile-inner { min-height: auto; }
  .truck-visual { padding: 1.25rem; min-height: 220px; }
  .spec-row { flex-wrap: wrap; gap: 0.15rem 0; }
  .spec-v { flex-shrink: 0; }
}

@media (max-width: 480px) {
  :root { --section-pad: 2.5rem; }
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .hstat { padding: 0 0.65rem; }
  .hstat-value { font-size: 1.3rem; }
  .bat-num { font-size: clamp(3rem, 12vw, 5rem); }
}