@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* --- Modern Design System Custom Properties --- */
:root {
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Outfit', var(--font-sans);
  --font-mono: 'JetBrains Mono', monospace;

  /* Obsidian dark-themed base colors */
  --bg-base: #030303;
  --bg-surface: #0a0a0c;
  --bg-card: rgba(14, 14, 17, 0.5);
  --bg-card-hover: rgba(20, 20, 25, 0.65);
  
  --border-color: rgba(255, 255, 255, 0.06);
  --border-color-hover: rgba(255, 255, 255, 0.15);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* Brand Glow Accents */
  --accent-indigo: #6366f1;
  --accent-cyan: #06b6d4;
  --accent-indigo-glow: rgba(99, 102, 241, 0.15);
  --accent-cyan-glow: rgba(6, 182, 212, 0.15);
  
  /* Product Accents */
  --accent-domus: #f59e0b; /* Amber Gold */
  --accent-domus-glow: rgba(245, 158, 11, 0.12);
  --accent-iron: #0ea5e9; /* Sky Blue */
  --accent-iron-glow: rgba(14, 165, 233, 0.12);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
  
  --container-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  line-height: 1.6;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Typography Utility */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.25;
}

p {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

/* Focus states for accessibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 4px;
}

/* --- Layout Components --- */
.section {
  padding: 120px 24px;
  position: relative;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

/* Floating background glow elements */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  z-index: 1;
  pointer-events: none;
  opacity: 0.45;
}

.orb-primary {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-indigo) 0%, transparent 70%);
  top: -150px;
  left: 20%;
  animation: float-slow 20s infinite alternate ease-in-out;
}

.orb-secondary {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--accent-cyan) 0%, transparent 70%);
  top: 30%;
  right: 10%;
  animation: float-slow 25s infinite alternate-reverse ease-in-out;
}

@keyframes float-slow {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -40px) scale(1.1); }
  100% { transform: translate(-20px, 20px) scale(0.9); }
}

/* --- Header Section (with Scroll-driven Animation) --- */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 90px;
  z-index: 100;
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: var(--transition-smooth);
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  background: transparent;
}

.header-container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-symbol {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  position: relative;
}

.logo-symbol::before, .logo-symbol::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-indigo), var(--accent-cyan));
}

.logo-symbol::before {
  width: 20px;
  height: 20px;
  left: 2px;
  top: 6px;
  mix-blend-mode: screen;
  opacity: 0.85;
}

.logo-symbol::after {
  width: 20px;
  height: 20px;
  right: 2px;
  bottom: 6px;
  mix-blend-mode: screen;
  opacity: 0.85;
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #ffffff 30%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-menu {
  display: flex;
  gap: 32px;
  list-style: none;
  align-items: center;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 8px 0;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background: linear-gradient(90deg, var(--accent-indigo), var(--accent-cyan));
  transition: var(--transition-fast);
}

.nav-link:hover::after {
  width: 100%;
}

.btn-contact {
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-contact:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

/* NATIVE SCROLL-DRIVEN ANIMATION FOR HEADER */
@supports ((animation-timeline: scroll()) and (animation-range: 0% 100%)) {
  @keyframes shrink-header {
    to {
      height: 64px;
      background: rgba(3, 3, 3, 0.75);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
  }

  header {
    animation: shrink-header auto linear both;
    animation-timeline: scroll(block root);
    animation-range: 0px 100px;
  }
}

/* --- Hero Section --- */
.hero {
  min-height: 95vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding-top: 140px;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
  margin-bottom: 32px;
}

.hero-badge span {
  width: 6px;
  height: 6px;
  background: var(--accent-cyan);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px var(--accent-cyan);
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
}

.text-gradient {
  background: linear-gradient(135deg, #ffffff 40%, var(--text-secondary) 70%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  max-width: 620px;
  margin: 0 auto 40px;
  color: var(--text-secondary);
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent-indigo), var(--accent-cyan));
  color: #ffffff;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(6, 182, 212, 0.4);
}

.btn-secondary {
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}


/* --- Section Titles --- */
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 70px;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-indigo);
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.section-description {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* --- About Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-features {
  display: grid;
  gap: 24px;
}

.about-feature {
  display: flex;
  gap: 16px;
}

.about-feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  display: grid;
  place-items: center;
  color: var(--accent-indigo);
  flex-shrink: 0;
}

.about-feature-title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.about-feature-desc {
  font-size: 0.95rem;
}

/* Visual bubble diagram for about section */
.about-visual {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  min-height: 380px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.about-visual::before {
  content: '';
  position: absolute;
  width: 250px;
  height: 250px;
  background: var(--accent-indigo-glow);
  filter: blur(80px);
  top: -50px;
  right: -50px;
  pointer-events: none;
}

.about-visual-container {
  position: relative;
  width: 100%;
  max-width: 320px;
  height: 260px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.about-bubble {
  position: absolute;
  width: 160px;
  height: 160px;
  border-radius: 24px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: left;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  transition: var(--transition-smooth);
}

.about-bubble-domus {
  left: 0;
  top: 20px;
  background: rgba(245, 158, 11, 0.03);
  border: 1.5px solid rgba(245, 158, 11, 0.15);
  transform: rotate(-4deg);
}

.about-bubble-domus:hover {
  transform: rotate(-4deg) translateY(-8px);
  border-color: var(--accent-domus);
  box-shadow: 0 15px 35px rgba(245, 158, 11, 0.15);
}

.about-bubble-iron {
  right: 0;
  bottom: 20px;
  background: rgba(14, 165, 233, 0.03);
  border: 1.5px solid rgba(14, 165, 233, 0.15);
  transform: rotate(4deg);
}

.about-bubble-iron:hover {
  transform: rotate(4deg) translateY(-8px);
  border-color: var(--accent-iron);
  box-shadow: 0 15px 35px rgba(14, 165, 233, 0.15);
}

/* --- Products Showcase Grid --- */
.products-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 48px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.product-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(135deg, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0.01) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-color-hover);
  background: var(--bg-card-hover);
}

.product-card-domus:hover {
  box-shadow: 0 10px 40px var(--accent-domus-glow);
}

.product-card-iron:hover {
  box-shadow: 0 10px 40px var(--accent-iron-glow);
}

.product-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.product-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid transparent;
}

.product-tag-domus {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.2);
  color: var(--accent-domus);
}

.product-tag-iron {
  background: rgba(14, 165, 233, 0.08);
  border-color: rgba(14, 165, 233, 0.2);
  color: var(--accent-iron);
}

.product-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.product-logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 1.25rem;
}

.product-logo-icon-domus {
  background: linear-gradient(135deg, var(--accent-domus) 0%, #f97316 100%);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.product-logo-icon-iron {
  background: linear-gradient(135deg, var(--accent-iron) 0%, #0284c7 100%);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
}

.product-name {
  font-size: 1.75rem;
  font-weight: 800;
}

.product-description {
  font-size: 1.05rem;
  line-height: 1.6;
  margin-bottom: 32px;
}

/* Feature tags */
.product-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
}

.product-feature-tag {
  font-size: 0.8rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: 6px;
  font-family: var(--font-sans);
}

/* Interactive app mockup frames inside the cards */
.product-mockup {
  margin-top: auto;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: #020203;
  padding: 16px;
  height: 220px;
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.8);
}

/* --- Mockup 1: DomusDash (Family Organizer Dashboard) --- */
.mockup-domus-grid {
  display: grid;
  grid-template-columns: 2fr 1.2fr;
  gap: 12px;
  height: 100%;
}

.mockup-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 8px;
  padding: 12px;
  display: flex;
  flex-direction: column;
}

.mockup-card-title {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent-domus);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.mockup-calendar {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.calendar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.72rem;
  padding: 4px 6px;
  background: rgba(255, 255, 255, 0.01);
  border-radius: 4px;
  border-left: 2px solid var(--accent-domus);
}

.calendar-time {
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.mockup-chores {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.chore-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
}

.chore-check {
  width: 12px;
  height: 12px;
  border: 1.5px solid rgba(255,255,255,0.2);
  border-radius: 3px;
  display: inline-block;
  flex-shrink: 0;
}

.chore-check-checked {
  background: var(--accent-domus);
  border-color: var(--accent-domus);
  position: relative;
}

.chore-check-checked::after {
  content: '✓';
  color: #000;
  font-size: 8px;
  font-weight: bold;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.chore-text-done {
  text-decoration: line-through;
  color: var(--text-muted);
}

/* --- Mockup 2: IronDial (Fitness Dashboard) --- */
.mockup-iron-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  height: 100%;
}

.mockup-vital-card {
  text-align: center;
  justify-content: center;
}

.mockup-vital-num {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 4px;
}

.mockup-vital-num span {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.mockup-workout-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.workout-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.7rem;
  padding: 5px 8px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 4px;
}

.workout-sets {
  font-family: var(--font-mono);
  background: rgba(14, 165, 233, 0.1);
  color: var(--accent-iron);
  padding: 1px 4px;
  border-radius: 3px;
  font-size: 0.65rem;
}

/* CTA buttons inside card footer */
.product-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  margin-top: 32px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  text-align: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.product-cta-domus {
  background: var(--accent-domus);
  color: #030303;
}

.product-cta-domus:hover {
  background: #f5b02b;
  transform: translateY(-1px);
}

.product-cta-iron {
  background: var(--accent-iron);
  color: #030303;
}

.product-cta-iron:hover {
  background: #38bdf8;
  transform: translateY(-1px);
}

.product-cta svg {
  transition: transform 0.2s ease;
}

.product-cta:hover svg {
  transform: translateX(4px);
}

/* --- Philosophy / Security Section --- */
.philosophy-card {
  background: radial-gradient(circle at top left, rgba(99, 102, 241, 0.08), transparent 50%), var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.philosophy-title {
  font-size: 2.25rem;
  margin-bottom: 20px;
}

.philosophy-text {
  margin-bottom: 24px;
  line-height: 1.7;
}

.philosophy-pillars {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.pillar-item {
  display: flex;
  gap: 20px;
}

.pillar-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(6, 182, 212, 0.06);
  border: 1px solid rgba(6, 182, 212, 0.2);
  display: grid;
  place-items: center;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.pillar-name {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.pillar-desc {
  font-size: 0.95rem;
}

/* --- Contact & Inquiries Form --- */
.contact-layout {
  display: grid;
  grid-template-columns: 1.2fr 1.8fr;
  gap: 80px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-meta {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 32px;
}

.contact-meta-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.contact-meta-icon {
  color: var(--accent-indigo);
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-group input, .form-group textarea {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.15);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

/* Submit state feedback button */
.btn-submit {
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent-indigo), var(--accent-cyan));
  color: #ffffff;
  border: none;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

.btn-submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.3);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.form-success-msg {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: #10b981;
  padding: 16px;
  border-radius: var(--radius-sm);
  text-align: center;
  font-size: 0.95rem;
  display: none;
  animation: fade-in 0.3s ease;
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Footer --- */
footer {
  border-top: 1px solid var(--border-color);
  padding: 48px 24px;
  background: #010102;
}

.footer-container {
  max-width: var(--container-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--text-primary);
}

/* --- Reveal on Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* View Timeline native reveal scroll effects */
@media (prefers-reduced-motion: no-preference) {
  @supports ((animation-timeline: view()) and (animation-range: entry)) {
    @keyframes reveal-up {
      from {
        opacity: 0;
        transform: translateY(40px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
    
    .native-reveal {
      animation: reveal-up auto linear both;
      animation-timeline: view();
      animation-range: entry 10% cover 40%;
    }
  }
}

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .about-grid, .philosophy-card, .contact-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .philosophy-card {
    padding: 40px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 80px 24px;
  }
  
  header {
    height: 72px;
  }
  
  .nav-menu {
    display: none; /* Can toggle via script, or keep minimal for simple landing */
  }
  
  .hero {
    padding-top: 100px;
    min-height: 80vh;
  }
  
  .hero-title {
    margin-bottom: 16px;
  }
  
  .hero-subtitle {
    margin-bottom: 32px;
  }
}