/* ===== PULVER INDUSTRIES — DESIGN SYSTEM ===== */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700&family=Instrument+Sans:ital,wght@0,300;0,400;0,500;1,300&display=swap');

:root {
  --black:       #080808;
  --black-soft:  #0f0f0f;
  --surface:     #141414;
  --border:      rgba(255,255,255,0.07);
  --border-mid:  rgba(255,255,255,0.13);
  --white:       #f0ede8;
  --white-dim:   rgba(240,237,232,0.52);
  --white-muted: rgba(240,237,232,0.3);
  --accent:      #c8ff32;
  --accent-dim:  rgba(200,255,50,0.08);

  --font-sans: 'Instrument Sans', 'Helvetica Neue', Helvetica, sans-serif;
  --font-display: 'Syne', 'Helvetica Neue', Helvetica, sans-serif;

  --nav-h: 72px;
  --max-w: 1280px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--border-mid); border-radius: 2px; }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.025em;
}

h1 { font-size: clamp(3rem, 6.5vw, 6rem); }
h2 { font-size: clamp(2.2rem, 4.5vw, 3.8rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }

p { color: var(--white-dim); line-height: 1.75; }
a { color: inherit; text-decoration: none; }

/* ===== LAYOUT ===== */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
}

@media (max-width: 768px) {
  .container { padding: 0 24px; }
}

/* ===== NAV ===== */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}

nav.scrolled {
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(12px);
  border-color: var(--border);
}

nav .container {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
  list-style: none;
}

.nav-links a {
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white-dim);
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--white); }

.nav-cta {
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 10px 22px;
  border: 1px solid var(--border-mid);
  color: var(--white);
  transition: background 0.2s, border-color 0.2s;
}

.nav-cta:hover {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

/* mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--white);
  transition: transform 0.3s, opacity 0.3s;
}

@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .nav-links, .nav-cta { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0; bottom: 0;
    background: var(--black-soft);
    padding: 48px 24px;
    gap: 32px;
    align-items: flex-start;
  }
  .nav-links.open a { font-size: 1.2rem; }
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: 96px;
  padding-top: calc(var(--nav-h) + 40px);
  position: relative;
  overflow: hidden;
}

.hero .container {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

.hero .hero-label {
  flex-direction: row;
}

.hero .hero-label::before {
  display: block;
}

.hero .hero-label::after {
  display: none;
}

.hero h1 {
  text-align: left;
}

.hero-actions {
  justify-content: flex-start;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 40% at 28% 55%, rgba(200,255,50,0.035) 0%, transparent 65%);
}

/* Fine grid texture */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 90% at 50% 50%, black 0%, transparent 100%);
}

.hero-label {
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-display);
  font-weight: 500;
}

.hero-label::before {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: var(--accent);
}

.hero h1 {
  max-width: 820px;
  margin-bottom: 48px;
}

.hero h1 em {
  font-style: italic;
  font-weight: 400;
  color: var(--white-dim);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  background: var(--white);
  color: var(--black);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: background 0.2s, transform 0.2s;
}

.btn-primary:hover {
  background: var(--accent);
  transform: translateY(-1px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white-dim);
  border-bottom: 1px solid var(--border-mid);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}

.btn-ghost:hover { color: var(--white); border-color: var(--white); }

.hero-scroll {
  position: absolute;
  bottom: 40px;
  right: 40px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white-muted);
}

/* ===== TICKER / MARQUEE ===== */
.ticker {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  overflow: hidden;
  white-space: nowrap;
}

.ticker-inner {
  display: inline-flex;
  animation: ticker 30s linear infinite;
}

.ticker-item {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--white-muted);
  padding: 0 48px;
}

.ticker-item strong { color: var(--white-dim); font-weight: 400; }

@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ===== SECTION BASE ===== */
section {
  padding: 120px 0;
}

.section-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--white-muted);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--white-muted);
}

/* ===== MISSION SECTION ===== */
.mission {
  border-top: 1px solid var(--border);
}

.mission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.mission-text h2 { margin-bottom: 32px; }
.mission-text p { max-width: 480px; }

.mission-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.stat-card {
  background: var(--black-soft);
  padding: 40px 32px;
}

.stat-num {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 3.8vw, 3.2rem);
  font-weight: 600;
  color: var(--white);
  margin-bottom: 8px;
  line-height: 1;
  letter-spacing: -0.03em;
}

.stat-label {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white-muted);
}

@media (max-width: 768px) {
  .mission-grid { grid-template-columns: 1fr; gap: 56px; }
}

/* ===== CAPABILITIES ===== */
.capabilities { background: var(--black-soft); }

.cap-list {
  border-top: 1px solid var(--border);
  margin-top: 64px;
}

.cap-item {
  display: grid;
  grid-template-columns: 80px 1fr 1fr auto;
  align-items: center;
  gap: 40px;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
  cursor: default;
}

.cap-item:hover { background: rgba(255,255,255,0.02); }

.cap-num {
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--white-muted);
}

.cap-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.cap-desc {
  font-size: 14px;
  color: var(--white-dim);
  line-height: 1.65;
}

.cap-arrow {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white-muted);
  font-size: 18px;
  transition: background 0.2s, color 0.2s;
}

.cap-item:hover .cap-arrow {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

@media (max-width: 900px) {
  .cap-item { grid-template-columns: 40px 1fr; }
  .cap-desc, .cap-arrow { display: none; }
}

/* ===== NEWS / PRESS ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-top: 64px;
}

.news-card {
  background: var(--black);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: background 0.2s;
}

.news-card:hover { background: var(--surface); }

.news-tag {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.news-date {
  font-size: 11px;
  color: var(--white-muted);
}

.news-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--white);
}

.news-card p {
  font-size: 13px;
  color: var(--white-muted);
  flex: 1;
}

.news-link {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white-dim);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s;
}

.news-link:hover { color: var(--white); }

@media (max-width: 900px) {
  .news-grid { grid-template-columns: 1fr; }
}

/* ===== ETHICS SECTION ===== */
.ethics {
  border-top: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.ethics::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(200,255,50,0.03) 0%, transparent 70%);
  pointer-events: none;
}

.ethics-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: center;
}

.ethics-pillars {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
}

.pillar {
  padding: 28px 32px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  gap: 20px;
  transition: background 0.2s;
}

.pillar:last-child { border-bottom: none; }
.pillar:hover { background: rgba(200,255,50,0.03); }

.pillar-icon {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 14px;
}

.pillar-title {
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
  color: var(--white);
}

.pillar p {
  font-size: 13px;
  color: var(--white-muted);
  line-height: 1.5;
}

@media (max-width: 900px) {
  .ethics-inner { grid-template-columns: 1fr; }
}

/* ===== CAREERS BANNER ===== */
.careers {
  background: var(--white);
  color: var(--black);
  padding: 80px 0;
}

.careers .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.careers h2 { color: var(--black); }
.careers p { color: rgba(10,10,10,0.6); max-width: 460px; }

.btn-dark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  background: var(--black);
  color: var(--white);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: background 0.2s;
  white-space: nowrap;
}

.btn-dark:hover { background: #222; }

/* ===== FOOTER ===== */
footer {
  background: var(--black-soft);
  border-top: 1px solid var(--border);
  padding: 64px 0 40px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--border);
}

.footer-brand p {
  font-size: 13px;
  color: var(--white-muted);
  max-width: 260px;
  margin-top: 16px;
  line-height: 1.7;
}

.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--white-muted);
  margin-bottom: 20px;
}

.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }

.footer-col a {
  font-size: 14px;
  color: var(--white-dim);
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--white); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 12px;
  color: var(--white-muted);
}

.footer-legal {
  display: flex;
  gap: 32px;
}

.footer-legal a {
  font-size: 12px;
  color: var(--white-muted);
  transition: color 0.2s;
}

.footer-legal a:hover { color: var(--white-dim); }

@media (max-width: 900px) {
  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 600px) {
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ===== ANIMATIONS ===== */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }

/* ===== LOGO ICON ===== */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 28px;
  height: 28px;
  object-fit: contain;
  filter: invert(1);          /* black logo → white on dark nav */
  opacity: 0.95;
  flex-shrink: 0;
  aspect-ratio: 1 / 1;
}


/* TECHNOLOGY EXPERIENCE */

.tech-product {
    position: relative;
    height: 100vh;
    width: 100%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    scroll-snap-align: start;
}

.tech-product img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tech-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.7), rgba(0,0,0,0.2));
}

.tech-title {
    position: relative;
    z-index: 2;
    font-size: clamp(3rem,8vw,7rem);
    font-weight: 800;
    letter-spacing: -2px;
    color: white;
    text-transform: uppercase;
}

.tech-button {
    position: absolute;
    right: 40px;
    bottom: 40px;
    z-index: 3;
    background: var(--accent, #c8ff32);
    color: #050505;
    padding: 18px 28px;
    text-decoration: none;
    font-weight: 700;
    border-radius: 999px;
    transition: all .3s ease;
}

.tech-button:hover {
    transform: translateY(-2px);
}

.product-detail-hero {
    height: 100vh;
    position: relative;
    display:flex;
    align-items:center;
    justify-content:center;
}

.product-detail-hero img {
    position:absolute;
    inset:0;
    width:100%;
    height:100%;
    object-fit:cover;
}

.product-detail-overlay {
    position:absolute;
    inset:0;
    background:rgba(0,0,0,.55);
}

.product-detail-content {
    position:relative;
    z-index:2;
    max-width:900px;
    text-align:center;
    padding:40px;
}

.product-detail-content h1 {
    font-size: clamp(3rem,8vw,7rem);
    margin-bottom: 20px;
}

.product-specs {
    padding: 120px 10%;
    max-width: 1200px;
    margin:auto;
}

.product-specs h2 {
    margin-bottom: 20px;
}

.prototype-note {
    padding:120px 10%;
    text-align:center;
    color:#9a9a9a;
    line-height:1.8;
}