/* ============================================
   BAS ~ WAV — Light / Apple-inspired Styles
   Bright. Clean. Premium.
   ============================================ */

/* --- Variables --- */
:root {
  --bg: #FAFAFA;
  --bg-alt: #F2F2F7;
  --bg-card: #FFFFFF;
  --surface: #F5F5F7;
  --surface-2: #EBEBEF;
  --border: #D2D2D7;
  --border-2: #E5E5EA;
  --accent: #E63946;
  --accent-hover: #D62839;
  --accent-dim: rgba(230, 57, 70, 0.08);
  --accent-dim-2: rgba(230, 57, 70, 0.04);
  --text: #1D1D1F;
  --text-dim: #6E6E73;
  --text-muted: #A1A1A6;
  --font-mono: 'Space Mono', 'Courier New', monospace;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-w: 1200px;
  --section-pad: clamp(80px, 10vw, 140px);
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow: 0 4px 16px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.04);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* Selection */
::selection { background: var(--accent); color: #fff; }

/* Focus */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Links */
a { color: inherit; text-decoration: none; }

/* Images */
img, svg { display: block; max-width: 100%; }

/* Noise overlay — very subtle */
.noise-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.012;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 200px;
}

/* --- Scroll Progress Bar --- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--accent);
  width: 0%;
  z-index: 10000;
  transition: width 0.05s linear;
}

/* --- Sticky Pre-order Bar --- */
.sticky-preorder {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 998;
  background: var(--accent);
  transform: translateY(100%);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.sticky-preorder:not([hidden]) {
  transform: translateY(0);
}
.sticky-preorder[hidden] {
  display: block;
}
.sticky-preorder-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0.75rem clamp(20px, 5vw, 60px);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 500;
  gap: 1rem;
}
.sticky-preorder-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: #fff;
  color: var(--accent);
  padding: 0.45rem 1rem;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.8rem;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background 0.2s;
}
.sticky-preorder-cta:hover { background: rgba(255,255,255,0.88); }
.sticky-preorder-close {
  position: absolute;
  right: clamp(20px, 5vw, 60px);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: rgba(255,255,255,0.6);
  cursor: pointer;
  padding: 0.4rem;
  line-height: 1;
  transition: color 0.2s;
}
.sticky-preorder-close:hover { color: #fff; }

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-sans);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.025em;
}

h1 { font-size: clamp(2.8rem, 6vw, 5rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 3rem); }
h3 { font-size: clamp(1rem, 1.8vw, 1.35rem); }

em { font-style: italic; color: var(--accent); }

/* --- Layout --- */
.section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 60px);
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.section-heading {
  margin-bottom: 1.25rem;
  color: var(--text);
}

.section-heading.center { text-align: center; }

.section-body {
  color: var(--text-dim);
  font-size: 1rem;
  line-height: 1.75;
  max-width: 52ch;
  margin-bottom: 1rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(230,57,70,0.25);
}
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover {
  background: var(--surface);
  border-color: var(--text-muted);
}

.btn-full { width: 100%; }

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(250, 250, 250, 0.8);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border-2);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 60px);
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo { display: flex; align-items: center; transition: opacity 0.2s; }
.nav-logo:hover { opacity: 0.65; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.8rem;
  font-weight: 450;
  color: var(--text-dim);
  transition: color 0.2s;
}
.nav-link:hover { color: var(--text); }

.nav-link-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 0.45rem 1.2rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  transition: var(--transition);
}
.nav-link-cta:hover { background: var(--accent-hover) !important; }

.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-mobile-toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--text);
  transition: var(--transition);
}
.nav-mobile-menu {
  display: none;
  flex-direction: column;
  padding: 1rem clamp(20px, 5vw, 60px) 1.5rem;
  border-top: 1px solid var(--border-2);
  gap: 0;
}
.nav-mobile-menu.open { display: flex; }
.nav-mobile-link {
  font-size: 0.875rem;
  color: var(--text-dim);
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border-2);
}
.nav-mobile-link:last-child { border-bottom: none; }

/* --- Hero --- */
/* --- Hero — Split Screen Layout --- */
.hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  padding-top: 56px;
}

/* Left panel — dark, product render */
.hero-product {
  position: absolute;
  inset: 0;
  background: #111113;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-product-img {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.hero-product-img img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center;
  filter: drop-shadow(0 32px 80px rgba(0,0,0,0.6));
  animation: productFloat 6s ease-in-out infinite;
}
@keyframes productFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.hero-product-tag {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
}
.hero-product-accent {
  position: absolute;
  top: -200px;
  left: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(230,57,70,0.18) 0%, transparent 65%);
  pointer-events: none;
  z-index: 1;
}

/* Right panel — light, text content */
.hero-content {
  position: relative;
  margin-left: 50%;
  min-height: calc(100vh - 56px);
  display: flex;
  align-items: center;
  background: var(--bg);
}
.hero-content-inner {
  padding: clamp(3rem, 8vw, 6rem) clamp(2rem, 6vw, 5rem);
  max-width: 580px;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}
.hero-eyebrow-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.hero-title {
  font-size: clamp(2.8rem, 6vw, 5rem);
  letter-spacing: -0.04em;
  line-height: 0.93;
  margin-bottom: 1.5rem;
}
.hero-title-bas { color: var(--text); }
.hero-title-tilde { color: var(--accent); font-weight: 300; }
.hero-title-wav { color: var(--text); }

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-dim);
  font-weight: 350;
  margin-bottom: 1.75rem;
  line-height: 1.55;
}

.hero-price-row {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.75rem;
}
.hero-price {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
}
.hero-price-note {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.hero-actions .btn-lg {
  padding: 0.85rem 1.75rem;
  font-size: 0.95rem;
}

.hero-specs-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.hero-spec { text-align: center; }
.hero-spec-val {
  display: block;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  line-height: 1;
  margin-bottom: 0.2rem;
}
.hero-spec-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.hero-spec-div {
  width: 1px;
  height: 32px;
  background: var(--border-2);
}

/* Hero scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: calc(50% + 2rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  z-index: 5;
  animation: fadeInUp 1s 1s ease backwards;
}
.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* Noise overlay z-index fix */
.noise-overlay { z-index: 1; }

/* --- Responsive Hero --- */
@media (max-width: 768px) {
  .hero-product { position: relative; height: 50vh; }
  .hero-content { margin-left: 0; min-height: auto; }
  .hero-content-inner { padding: 2.5rem 1.5rem; max-width: none; }
  .hero-product-tag { bottom: 1rem; }
  .hero-product-img { padding: 1rem; }
  .hero-scroll-indicator { display: none; }
  .hero-specs-row { gap: 1rem; }
}

/* --- Specs Strip --- */
.specs-strip {
  background: var(--bg-card);
  border-top: 1px solid var(--border-2);
  border-bottom: 1px solid var(--border-2);
  padding: 1.5rem 0;
  box-shadow: var(--shadow-sm);
}

.specs-strip-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 60px);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.spec-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  flex: 1;
  min-width: 100px;
  text-align: center;
  padding: 0.5rem 1rem;
}

.spec-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.spec-value {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.spec-sub {
  font-size: 0.68rem;
  color: var(--text-muted);
}

.spec-divider {
  width: 1px;
  height: 32px;
  background: var(--border-2);
  flex-shrink: 0;
}

/* --- Product Section --- */
.product {
  padding: var(--section-pad) 0;
  background: var(--bg);
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.product-text .section-body { max-width: 46ch; }

.feature-list {
  list-style: none;
  margin-top: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  font-size: 0.9rem;
  color: var(--text-dim);
}

.feature-icon { width: 20px; height: 20px; flex-shrink: 0; }

.product-visual { display: flex; flex-direction: column; align-items: center; }

.product-render-wrap {
  width: 100%;
  max-width: 460px;
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.product-render {
  width: 100%;
  padding: 1.5rem;
  background:
    radial-gradient(ellipse 80% 60% at 50% 50%, rgba(230, 57, 70, 0.05) 0%, transparent 70%);
}

.product-render img, .product-render svg { width: 100%; height: auto; }

.product-render-caption {
  padding: 0.75rem 1.5rem;
  border-top: 1px solid var(--border-2);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: center;
  background: var(--surface);
}

/* --- Engineering Section --- */
.engineering {
  padding: var(--section-pad) 0;
  background: var(--bg-alt);
}

.engineering .section-heading { text-align: center; margin-bottom: 3.5rem; }

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

.eng-card {
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-radius: 14px;
  padding: 2rem 1.75rem;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.eng-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
  border-color: var(--border);
}

.eng-card-num {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
}

.eng-card-icon { margin-bottom: 1.25rem; }
.eng-card-icon svg { width: 36px; height: 36px; }

.eng-card-title {
  font-size: 0.975rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  color: var(--text);
}

.eng-card-body {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.eng-card-specs {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  border-top: 1px solid var(--border-2);
  padding-top: 1rem;
}

.eng-card-specs li {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.63rem;
  letter-spacing: 0.04em;
}

.eng-card-specs li span:first-child { color: var(--text-muted); }
.eng-card-specs li span:last-child { color: var(--text); font-weight: 600; }

/* --- Philosophy Section --- */
.philosophy {
  padding: var(--section-pad) 0;
  background: var(--bg);
}

.philosophy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.big-quote {
  border-left: 3px solid var(--accent);
  padding-left: 1.75rem;
  margin-bottom: 2rem;
}

.big-quote p {
  font-size: clamp(1.25rem, 2.2vw, 1.65rem);
  font-weight: 300;
  line-height: 1.35;
  color: var(--text);
  letter-spacing: -0.02em;
}

.philosophy-aside {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.philosophy-aside p {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.7;
}

.philosophy-standout {
  padding-top: 0.5rem;
}

/* --- Journey Section --- */
.journey {
  padding: var(--section-pad) 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border-2);
  border-bottom: 1px solid var(--border-2);
}

.journey .section-heading { text-align: center; margin-bottom: 3.5rem; }

.journey-timeline {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.journey-step {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 1.5rem;
  position: relative;
}

.journey-step-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 0.25rem;
}

.journey-step-line {
  width: 1px;
  flex: 1;
  background: var(--border);
  min-height: 24px;
}

.journey-step:last-child .journey-step-line { display: none; }

.journey-step-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: var(--bg-alt);
  flex-shrink: 0;
  z-index: 1;
}

.journey-step-dot-final {
  background: var(--accent);
  width: 12px;
  height: 12px;
}

.journey-step-content { padding-bottom: 2.5rem; }
.journey-step:last-child .journey-step-content { padding-bottom: 0; }

.journey-step-num {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.4rem;
}

.journey-step-title {
  font-size: 1.05rem;
  margin-bottom: 0.6rem;
  color: var(--text);
}

.journey-step-body {
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.75;
  max-width: 50ch;
}

/* --- Contact Section --- */
.contact {
  padding: var(--section-pad) 0;
  background: var(--bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.contact .section-body { margin-bottom: 1.75rem; }

.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 1.25rem;
}

.contact-detail-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.contact-detail-value {
  font-size: 0.95rem;
  color: var(--text-dim);
  transition: color 0.2s;
}
a.contact-detail-value:hover { color: var(--accent); }

.contact-status { display: flex; align-items: center; gap: 0.5rem; }

.contact-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #34C759;
  animation: pulse 2.5s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

/* Form */
.contact-form { display: flex; flex-direction: column; gap: 1rem; }

.form-disclaimer {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}.form-group { display: flex; flex-direction: column; gap: 0.35rem; }

.form-label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text);
}

.form-input {
  background: var(--bg-card);
  border: 1.5px solid var(--border-2);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
}

.form-input::placeholder { color: var(--text-muted); }

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-input.error { border-color: var(--accent); }

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4 L6 8 L10 4' stroke='%23A1A1A6' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-textarea { resize: vertical; min-height: 96px; }

.form-success {
  display: none;
  font-size: 0.85rem;
  color: #34C759;
  padding: 0.75rem 1rem;
  border: 1px solid rgba(52,199,89,0.3);
  border-radius: var(--radius-sm);
  background: rgba(52,199,89,0.05);
}
.form-success.visible { display: block; }

.form-error {
  display: none;
  font-size: 0.85rem;
  color: var(--accent);
}
.form-error.visible { display: block; }

/* --- Footer --- */
/* --- Newsletter Section --- */
.newsletter {
  padding: var(--section-pad) 0;
  background: var(--bg);
  border-top: 1px solid var(--border-2);
}
.newsletter-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 60px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.newsletter-heading {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}
.newsletter-sub {
  font-size: 0.9rem;
  color: var(--text-dim);
  max-width: 40ch;
  line-height: 1.6;
}
.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.newsletter-input-row {
  display: flex;
  gap: 0.75rem;
}
.newsletter-input-row input {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  color: var(--text);
  font-family: inherit;
  min-width: 0;
}
.newsletter-input-row input:focus {
  outline: none;
  border-color: var(--accent);
}
.newsletter-input-row .btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
}
.newsletter-success {
  display: none;
  font-size: 0.85rem;
  color: #34C759;
}
.newsletter-success.visible { display: block; }
.newsletter-note {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}
.newsletter-note strong { color: var(--text); }

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--border-2);
  padding: 0;
  background: var(--bg-alt);
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 60px);
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  padding: 3rem 0 2.5rem;
  border-bottom: 1px solid var(--border-2);
}
.footer-brand { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-tagline {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin: 0;
}
.footer-social {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.25rem;
}
.footer-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--border-2);
  border-radius: 8px;
  color: var(--text-muted);
  transition: all 0.2s;
}
.footer-social-link:hover {
  color: var(--text);
  border-color: var(--text-muted);
  background: var(--bg-card);
}
.footer-links-group { display: flex; flex-direction: column; gap: 1rem; }
.footer-links-title {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 400;
}
.footer-links-group nav {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.footer-link {
  font-size: 0.82rem;
  color: var(--text-muted);
  transition: color 0.2s;
}
.footer-link:hover { color: var(--text); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 0;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin: 0;
}
.footer-made {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  margin: 0;
}

@media (max-width: 768px) {
  .newsletter-inner { grid-template-columns: 1fr; gap: 2rem; }
  .newsletter-input-row { flex-direction: column; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 480px) {
  .footer-top { grid-template-columns: 1fr; }
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .product-grid,
  .philosophy-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .product-visual { order: -1; }
  .product-render-wrap { max-width: 380px; }
  .eng-grid { grid-template-columns: 1fr 1fr; }
  .specs-strip-inner { gap: 0.25rem; }
  .spec-divider { display: none; }
  .spec-item { min-width: 45%; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-mobile-toggle { display: flex; }
  .hero-title { letter-spacing: -0.03em; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; max-width: 280px; }
  .eng-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
}

/* --- Animations --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

.eng-card.reveal { transition-delay: calc(var(--i, 0) * 0.07s); }
.journey-step.reveal { transition-delay: calc(var(--i, 0) * 0.09s); }

.hero-content > * {
  animation: fadeInUp 0.75s ease backwards;
}
.hero-eyebrow { animation-delay: 0.1s !important; }
.hero-title { animation-delay: 0.22s !important; }
.hero-sub { animation-delay: 0.36s !important; }
.hero-actions { animation-delay: 0.48s !important; }

/* --- Social Proof Section --- */
.social-proof {
  padding: 100px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border-2);
  border-bottom: 1px solid var(--border-2);
}
.social-proof-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 60px);
  text-align: center;
}
.social-proof-header {
  margin-bottom: 4rem;
}
.social-proof-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}
.status-item {
  background: var(--bg);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--border-2);
  text-align: center;
}
.status-item h4 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--accent);
}
.status-item p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.social-proof-sub {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-top: 2rem;
}