/* ============================================
   SAMOBI INDUSTRIES — WEBSITE STYLES
   Palette: Industrial Steel + Safety Orange
   ============================================ */

:root,
[data-theme='light'] {
  /* Brand Colors */
  --color-accent: #D84C1A;         /* Construction Orange */
  --color-accent-dark: #B53D12;
  --color-accent-hover: #C0410F;
  --color-accent-light: #FFF0EB;

  /* Surfaces */
  --color-bg: #F8F7F5;
  --color-surface: #FFFFFF;
  --color-surface-alt: #F2F0EC;
  --color-surface-dark: #1A1A1A;
  --color-surface-dark2: #252525;

  /* Text */
  --color-text: #1A1A1A;
  --color-text-muted: #6B6B6B;
  --color-text-faint: #B0AFAD;
  --color-text-inverse: #F8F7F5;

  /* Border */
  --color-border: #E2DFDB;

  /* Type Scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 7rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Misc */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.14);
  --transition: 200ms cubic-bezier(0.16,1,0.3,1);

  --content-default: 1140px;
  --font-display: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --font-body: 'Barlow', 'Helvetica Neue', sans-serif;
}

/* ============ BASE ============ */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}
img, video { display: block; max-width: 100%; height: auto; }
ul[role='list'], ol[role='list'] { list-style: none; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }
h1,h2,h3,h4,h5,h6 { text-wrap: balance; line-height: 1.1; font-family: var(--font-display); font-weight: 800; text-transform: uppercase; letter-spacing: 0.01em; }
p, li { text-wrap: pretty; max-width: 70ch; }
address { font-style: normal; }
::selection { background: rgba(216,76,26,0.15); }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; border-radius: var(--radius-sm); }

/* ============ LAYOUT ============ */
.container {
  width: 100%;
  max-width: var(--content-default);
  margin: 0 auto;
  padding: 0 clamp(var(--space-4), 5vw, var(--space-12));
}

.section {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}
.section-dark { background: var(--color-surface-dark); }
.section-alt { background: var(--color-surface-alt); }

/* ============ HEADER ============ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: var(--shadow-md); }
.header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  padding: var(--space-4) clamp(var(--space-4), 5vw, var(--space-12));
  max-width: var(--content-default);
  margin: 0 auto;
}
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}
.logo-text {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text);
  line-height: 1;
}
.logo-text span { color: var(--color-accent); }

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-left: auto;
}
.nav a {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  transition: color var(--transition);
}
.nav a:hover { color: var(--color-accent); }
.nav-cta {
  background: var(--color-accent) !important;
  color: white !important;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-sm);
  font-weight: 700 !important;
}
.nav-cta:hover { background: var(--color-accent-hover) !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-4) clamp(var(--space-4), 5vw, var(--space-12));
  gap: var(--space-1);
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  padding: var(--space-3) 0;
  font-size: var(--text-base);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition);
}
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav a:hover { color: var(--color-accent); }

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-surface-dark);
  width: 100%;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(216,76,26,0.15) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}
.hero-pattern {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 45%;
  z-index: 0;
  opacity: 0.6;
  overflow: hidden;
}
.hero-pattern svg {
  width: 100%;
  height: 100%;
}
.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(var(--space-12), 6vw, var(--space-20)) clamp(var(--space-8), 5vw, var(--space-16));
  max-width: 760px;
}
.patent-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(216,76,26,0.15);
  border: 1px solid rgba(216,76,26,0.3);
  color: #FF8A65;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  width: fit-content;
  margin-bottom: var(--space-6);
}
.hero-heading {
  font-size: var(--text-hero);
  color: #FFFFFF;
  margin-bottom: var(--space-6);
  line-height: 0.95;
  letter-spacing: -0.01em;
}
.hero-heading em {
  font-style: normal;
  color: var(--color-accent);
}
.hero-sub {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.70);
  margin-bottom: var(--space-8);
  max-width: 48ch;
  line-height: 1.7;
}
.hero-sub strong { color: #FF8A65; font-weight: 600; }

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-10);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat-num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
}
.stat-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.5);
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.15);
}

/* hero-image-col removed — using SVG pattern instead */

/* ============ PROOF STRIP ============ */
.proof-strip {
  background: var(--color-accent);
  padding: var(--space-4) 0;
  overflow: hidden;
}
.proof-strip-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  max-width: var(--content-default);
  margin: 0 auto;
  padding: 0 var(--space-8);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: white;
}
.dot { opacity: 0.5; }
.marquee-dup { display: none; }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(216,76,26,0.35);
}
.btn-accent {
  background: var(--color-accent);
  color: #ffffff;
  border-color: var(--color-accent);
}
.btn-accent:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(216,76,26,0.45);
}
.btn-ghost {
  background: transparent;
  color: white;
  border-color: rgba(255,255,255,0.3);
}
.btn-ghost:hover {
  border-color: white;
  background: rgba(255,255,255,0.08);
}
.btn-full { width: 100%; justify-content: center; }

/* ============ SECTION LABELS ============ */
.section-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}
.section-label.light { color: #FF8A65; }

.section-title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}
.section-title.light { color: white; }

.section-sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-12);
  max-width: 60ch;
}
.section-sub.light { color: rgba(255,255,255,0.65); }

/* ============ HOW GRID (Technology) ============ */
.how-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-16);
}
.how-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: box-shadow var(--transition), transform var(--transition);
}
.how-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.how-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
}
.how-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
}
.how-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.tech-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
}
.tech-detail h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-6);
}
.steps-list {
  list-style: none;
  counter-reset: steps;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}
.steps-list li {
  counter-increment: steps;
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: none;
}
.steps-list li::before {
  content: counter(steps);
  min-width: 28px;
  width: 28px;
  height: 28px;
  background: var(--color-accent);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.8rem;
  flex-shrink: 0;
  margin-top: 1px;
}
.steps-list strong {
  color: var(--color-text);
  display: inline;
  white-space: normal;
}

/* Steps list — ensure text column takes full remaining width on all screens */
.steps-list li > span {
  display: block;
  flex: 1;
  min-width: 0;
  word-break: normal;
  overflow-wrap: break-word;
}

@media (max-width: 600px) {
  .steps-list li {
    display: grid;
    grid-template-columns: 32px 1fr;
    gap: var(--space-3);
    align-items: start;
  }
  .steps-list li::before {
    grid-column: 1;
    margin-top: 2px;
  }
  .steps-list li > span {
    grid-column: 2;
    font-size: 0.9rem;
    line-height: 1.65;
  }
  .steps-list strong {
    display: inline;
    word-break: normal;
  }
}

.connection-types {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.conn-type {
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}
.conn-type strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-2);
  color: var(--color-accent);
}
.conn-type span { font-size: var(--text-xs); color: var(--color-text-muted); }

.tech-detail-img img {
  border-radius: var(--radius-lg);
  width: 100%;
  height: auto;
}

/* ============ BLOCKS GRID ============ */
.blocks-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}
.block-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: background var(--transition), border-color var(--transition);
}
.block-card:hover {
  background: rgba(216,76,26,0.12);
  border-color: rgba(216,76,26,0.3);
}
.block-icon {
  font-size: 1.6rem;
  margin-bottom: var(--space-4);
  display: block;
  color: var(--color-accent);
  line-height: 1;
  filter: drop-shadow(0 0 0 transparent);
}
.block-card h4 {
  font-size: var(--text-sm);
  color: white;
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.block-card p { font-size: var(--text-xs); color: rgba(255,255,255,0.55); max-width: none; }

.blocks-img-wrap {
  display: flex;
  justify-content: center;
  margin-top: var(--space-8);
}
.blocks-img-wrap img {
  max-width: 480px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255,255,255,0.08);
  background: white;
  padding: var(--space-4);
}

/* ============ APPLICATIONS ============ */
.app-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: var(--space-6);
}
.app-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: box-shadow var(--transition), transform var(--transition);
}
.app-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.app-card.large {
  grid-column: 1 / 3;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  padding: 0;
  overflow: hidden;
}
.app-img { overflow: hidden; }
.app-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.app-card.large:hover .app-img img { transform: scale(1.03); }
.app-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-8);
}
.app-body h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
}
.app-body p { font-size: var(--text-sm); color: var(--color-text-muted); }
.app-label {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
  display: block;
}
.app-card p { font-size: var(--text-sm); color: var(--color-text-muted); }

/* ============ ADVANTAGES ============ */
.advantages {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-16);
}
.advantage-block {
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  border: 1px solid var(--color-border);
}
.advantage-block.speed { background: #FFF8F5; border-color: #FDDDD0; }
.advantage-block.quality { background: #F5F9FF; border-color: #D0E4FF; }
.advantage-block.affordability { background: #F5FFF7; border-color: #D0EDD6; }
.adv-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}
.adv-header svg { color: var(--color-accent); }
.advantage-block.quality .adv-header svg { color: #2B7FE0; }
.advantage-block.affordability .adv-header svg { color: #2E8B57; }
.adv-header h3 { font-size: var(--text-xl); }
.advantage-block ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-3); }
.advantage-block li {
  font-size: var(--text-sm);
  color: var(--color-text);
  padding-left: var(--space-6);
  position: relative;
  max-width: none;
}
.advantage-block li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}
.advantage-block.quality li::before { color: #2B7FE0; }
.advantage-block.affordability li::before { color: #2E8B57; }

/* ============ COMPARISON TABLE ============ */
.comparison-wrap { margin-bottom: var(--space-12); }
.comp-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-6);
}
.comparison-table {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.comp-header, .comp-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
}
.comp-header {
  background: var(--color-surface-dark);
  color: white;
}
.comp-header div {
  padding: var(--space-4) var(--space-5);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.comp-row {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  transition: background var(--transition);
}
.comp-row:hover { background: var(--color-surface-alt); }
.comp-row div {
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  border-right: 1px solid var(--color-border);
}
.comp-row div:first-child { color: var(--color-text); font-weight: 500; }
.comp-row div:last-child { border-right: none; }
.samobi-col { background: rgba(216,76,26,0.06) !important; }
.comp-header .samobi-col { background: var(--color-accent) !important; color: white !important; }
.win { color: var(--color-accent) !important; font-weight: 700 !important; }

/* ============ UNIVERSITY BADGE ============ */
.university-badge {
  display: flex;
  align-items: flex-start;
  gap: var(--space-6);
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}
.university-badge svg { color: var(--color-accent); flex-shrink: 0; margin-top: 2px; }
.university-badge strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}
.university-badge p { font-size: var(--text-sm); color: var(--color-text-muted); max-width: none; }

/* ============ GREEN SECTION ============ */
.green-section { background: var(--color-surface); }
.green-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}
.green-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-6);
}
.green-list li {
  font-size: var(--text-sm);
  padding-left: var(--space-6);
  position: relative;
  color: var(--color-text);
  max-width: none;
}
.green-list li::before {
  content: '🌿';
  position: absolute;
  left: 0;
}
.green-img img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
}

/* ============ CONTACT ============ */
.section-contact {
  background: var(--color-surface-dark);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}
.contact-heading {
  font-size: var(--text-2xl);
  color: white;
  margin-bottom: var(--space-4);
}
.contact-left > p {
  color: rgba(255,255,255,0.65);
  font-size: var(--text-base);
  margin-bottom: var(--space-8);
  max-width: 40ch;
}
.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  color: rgba(255,255,255,0.70);
  font-size: var(--text-sm);
}
.contact-item svg { color: var(--color-accent); flex-shrink: 0; margin-top: 2px; }
.contact-item a { color: rgba(255,255,255,0.70); }
.contact-item a:hover { color: #FF8A65; }

.founder-note {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
}
.founder-note strong {
  display: block;
  color: white;
  font-family: var(--font-display);
  font-size: var(--text-base);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}
.founder-note span { color: rgba(255,255,255,0.5); font-size: var(--text-sm); }

/* ============ FORM ============ */
.lead-form {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
}
.lead-form h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-8);
  color: var(--color-text);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.form-group { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-4); }
.form-group label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-family: var(--font-body);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(216,76,26,0.12);
}
.form-group select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%236B6B6B' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px; }
.form-group textarea { resize: vertical; min-height: 110px; }
.form-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-align: center;
  margin-top: var(--space-4);
  max-width: none;
}
.form-success {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: #F0FFF4;
  border: 1px solid #86EFAC;
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  color: #166534;
  font-size: var(--text-sm);
  margin-top: var(--space-4);
}
.form-success svg { color: #16A34A; flex-shrink: 0; }

/* ============ FOOTER ============ */
.footer {
  background: #111111;
  padding-block: var(--space-16) var(--space-8);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-10);
  margin-bottom: var(--space-10);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo-text { color: white; }
.footer-brand > p {
  color: rgba(255,255,255,0.4);
  font-size: var(--text-sm);
  margin-top: var(--space-4);
  margin-bottom: var(--space-5);
}
.patent-chips {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.patent-chips span {
  background: rgba(216,76,26,0.15);
  border: 1px solid rgba(216,76,26,0.25);
  color: #FF8A65;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 8px;
  border-radius: 3px;
}
.footer-col h4 {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.5);
  margin-bottom: var(--space-5);
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col ul li a, .footer-col address {
  color: rgba(255,255,255,0.5);
  font-size: var(--text-sm);
  transition: color var(--transition);
  line-height: 1.7;
}
.footer-col ul li a:hover { color: #FF8A65; }
.footer-col address a { color: rgba(255,255,255,0.5); }
.footer-col address a:hover { color: #FF8A65; }
.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer-bottom p {
  color: rgba(255,255,255,0.25);
  font-size: var(--text-xs);
  max-width: none;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .how-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-detail { grid-template-columns: 1fr; }
  .blocks-grid { grid-template-columns: repeat(3, 1fr); }
  .advantages { grid-template-columns: 1fr; }
  .comparison-table { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .comp-title { display: none; }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .hamburger { display: flex; }
  .hero { min-height: auto; }
  .hero-pattern { opacity: 0.25; }
  .hero-content { padding: var(--space-10) var(--space-6) var(--space-8); }
  .hero-stats { gap: var(--space-4); }
  .blocks-grid { grid-template-columns: repeat(2, 1fr); }
  .app-grid { grid-template-columns: 1fr; }
  .app-card.large { grid-column: 1; grid-template-columns: 1fr; }
  .app-img { height: 220px; }
  .contact-grid { grid-template-columns: 1fr; gap: var(--space-10); }
  .green-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .connection-types { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .how-grid { grid-template-columns: 1fr; }
  .blocks-grid { grid-template-columns: 1fr; }
  .hero-stats { display: none; }
  .proof-strip { padding: var(--space-3) 0; overflow: hidden; }
  .proof-strip-inner {
    flex-wrap: nowrap;
    justify-content: flex-start;
    animation: marquee 18s linear infinite;
    width: max-content;
    gap: var(--space-5);
  }
  .dot { display: none; }
  .marquee-dup { display: inline; }
  .proof-strip-inner span {
    white-space: nowrap;
    padding: 0 var(--space-3);
    position: relative;
  }
  .proof-strip-inner span::after {
    content: '·';
    position: absolute;
    right: calc(-1 * var(--space-3));
    opacity: 0.5;
  }
}
@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ============ SCROLL ANIMATIONS ============ */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============ PROJECTS GALLERY ============ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}

.project-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: rgba(216,76,26,0.4);
}

.project-featured {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.project-img-wrap {
  position: relative;
  overflow: hidden;
  height: 240px;
}

.project-featured .project-img-wrap {
  height: 100%;
  min-height: 260px;
}

.project-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.4s ease;
}

.project-card:hover .project-img-wrap img {
  transform: scale(1.04);
}

.project-overlay {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
}

.project-tag {
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.project-info {
  padding: var(--space-5) var(--space-6);
}

.project-info h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-2);
}

.project-info p {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.65);
  line-height: 1.6;
  margin-bottom: var(--space-3);
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.project-meta span {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(216,76,26,0.15);
  border: 1px solid rgba(216,76,26,0.25);
  padding: 3px 8px;
  border-radius: var(--radius-full);
}

/* Placeholder card for upcoming photos */
.proj-placeholder {
  background: rgba(255,255,255,0.04);
  display: flex;
  align-items: center;
  justify-content: center;
}

.proj-ph-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  color: rgba(255,255,255,0.3);
  text-align: center;
  padding: var(--space-4);
}

.proj-ph-inner p {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.3);
  margin: 0;
}

.proj-ph-inner em {
  color: var(--color-accent);
  font-style: normal;
  font-weight: 600;
}

/* Projects CTA */
.projects-cta {
  margin-top: var(--space-12);
  text-align: center;
  padding: var(--space-10) var(--space-8);
  background: rgba(216,76,26,0.08);
  border: 1px solid rgba(216,76,26,0.2);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.projects-cta p {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0;
  max-width: 600px;
}

/* Responsive */
@media (max-width: 1024px) {
  .projects-grid {
    grid-template-columns: 1fr 1fr;
  }
  .project-featured {
    grid-column: span 2;
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
  .project-featured {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }
  .project-featured .project-img-wrap {
    height: 220px;
  }
  .projects-cta {
    flex-direction: column;
    text-align: center;
  }
  .projects-cta p {
    font-size: var(--text-lg);
  }
}

/* ============ HERO ANIMATIONS ============ */

/* -- Line-by-line text reveal -- */
@keyframes lineReveal {
  0%   { opacity: 0; transform: translateY(28px); clip-path: inset(0 0 100% 0); }
  100% { opacity: 1; transform: translateY(0);    clip-path: inset(0 0 0% 0); }
}

@keyframes highlightSweep {
  0%   { background-size: 0% 100%; }
  60%  { background-size: 100% 100%; }
  100% { background-size: 100% 100%; }
}

.hl-line {
  display: inline-block;
  opacity: 0;
  animation: lineReveal 0.65s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: var(--d, 0s);
}

/* Orange highlight sweep on "Blocks" */
.hl-accent {
  position: relative;
  background: linear-gradient(to right, rgba(216,76,26,0.35) 0%, rgba(216,76,26,0.35) 100%);
  background-repeat: no-repeat;
  background-position: 0 90%;
  background-size: 0% 6px;
  animation: lineReveal 0.65s cubic-bezier(0.22, 1, 0.36, 1) forwards,
             highlightSweep 0.8s ease-out 1.2s forwards;
  padding-bottom: 4px;
}

/* canvas fills the container */
#blockCanvas {
  display: block;
  width: 100%;
  height: 100%;
}


/* =============================================
   VIDEO SHOWCASE SECTION
   ============================================= */
.video-showcase {
  background: var(--color-surface-dark, #1A1A1A);
  padding: clamp(3rem, 8vw, 6rem) 0;
  overflow: hidden;
}

.video-showcase-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 3rem);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

/* Text side */
.video-text {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.video-text .section-title.light {
  color: #ffffff;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.1;
}

.video-text p {
  color: rgba(255,255,255,0.72);
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  line-height: 1.7;
  max-width: 44ch;
}

/* Video side */
.video-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.video-wrap::before {
  content: '';
  position: absolute;
  inset: -12px;
  border-radius: 24px;
  background: linear-gradient(135deg, var(--color-accent, #D84C1A) 0%, transparent 60%);
  opacity: 0.35;
  z-index: 0;
}

.showcase-video {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 320px;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.6);
  display: block;
  object-fit: cover;
}

/* Mobile: stack vertically, video on top */
@media (max-width: 768px) {
  .video-showcase-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .video-text {
    order: 2;
    text-align: center;
    align-items: center;
  }

  .video-text p {
    max-width: 100%;
  }

  .video-wrap {
    order: 1;
  }

  .showcase-video {
    max-width: 260px;
  }
}