/* =============================================
   ROBOYASO APPS — Premium Design System
   Modern dark aesthetic | Indigo & Product Accents
   ============================================= */

/* --- Design Tokens --- */
:root {
  /* Backgrounds */
  --bg-primary:         #09090b;
  --bg-elevated:        #121317;
  --bg-surface:         #1c1d22;
  --bg-surface-hover:   #25272e;
  --bg-overlay:         rgba(9, 9, 11, 0.85);

  /* Studio Brand Accent (Electric Indigo / Violet) */
  --accent:             #6366f1;
  --accent-light:       #818cf8;
  --accent-lighter:     #a5b4fc;
  --accent-dark:        #4f46e5;
  --accent-glow:        rgba(99, 102, 241, 0.22);
  --accent-glow-subtle: rgba(99, 102, 241, 0.08);
  --accent-glow-lg:     rgba(99, 102, 241, 0.12);

  /* Product Individual Colors */
  --aurix-color:        #f59e0b;
  --aurix-light:        #fbbf24;
  --aurix-glow:         rgba(245, 158, 11, 0.18);
  --aurix-glow-subtle:  rgba(245, 158, 11, 0.06);

  --supra-color:        #8b5cf6;
  --supra-light:        #a78bfa;
  --supra-glow:         rgba(139, 92, 246, 0.18);
  --supra-glow-subtle:  rgba(139, 92, 246, 0.06);

  --duora-color:        #00c6ff;
  --duora-light:        #38bdf8;
  --duora-glow:         rgba(0, 198, 255, 0.18);
  --duora-glow-subtle:  rgba(0, 198, 255, 0.06);

  --vibra-color:        #f43f5e;
  --vibra-light:        #fb7185;
  --vibra-glow:         rgba(244, 63, 94, 0.20);
  --vibra-glow-subtle:  rgba(244, 63, 94, 0.06);

  /* Text & Legibility */
  --text-primary:       #fcfcfd;
  --text-secondary:     #d4d4d8;
  --text-muted:         #a1a1aa;
  --text-dim:           #71717a;

  /* Borders & Dividers */
  --border:             rgba(255, 255, 255, 0.07);
  --border-hover:       rgba(255, 255, 255, 0.14);
  --border-strong:      rgba(255, 255, 255, 0.22);
  --border-accent:      rgba(99, 102, 241, 0.35);

  /* Typography System */
  --font-sans:          'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, system-ui, sans-serif;
  --line-height-tight:  1.12;
  --line-height-snug:   1.35;
  --line-height-normal: 1.65;
  --line-height-relaxed:1.75;

  /* Fluid Spacing Scale */
  --space-2xs:          4px;
  --space-xs:           8px;
  --space-sm:           12px;
  --space-md:           16px;
  --space-lg:           24px;
  --space-xl:           32px;
  --space-2xl:          48px;
  --space-3xl:          64px;
  --space-4xl:          88px;
  --space-5xl:          112px;

  /* Radii */
  --radius-xs:          4px;
  --radius-sm:          8px;
  --radius-md:          12px;
  --radius-lg:          18px;
  --radius-xl:          24px;
  --radius-2xl:         32px;
  --radius-full:        9999px;

  /* Motion & Easings */
  --ease-out:           cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out:        cubic-bezier(0.65, 0, 0.35, 1);
  --ease-smooth:        cubic-bezier(0.22, 1, 0.36, 1);
  --duration-fast:      150ms;
  --duration-normal:    250ms;
  --duration-slow:      400ms;

  /* Shadows */
  --shadow-sm:          0 2px 8px rgba(0, 0, 0, 0.35);
  --shadow-md:          0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-lg:          0 16px 40px rgba(0, 0, 0, 0.55);
  --shadow-glow:        0 0 35px var(--accent-glow);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  color-scheme: dark;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: clamp(0.95rem, 0.9rem + 0.25vw, 1.05rem);
  line-height: var(--line-height-normal);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: rgba(99, 102, 241, 0.35);
  color: #ffffff;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent-light);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

/* --- Ambient Moving Noise & Film Grain Overlay --- */
body::before {
  content: '';
  position: fixed;
  top: -80px;
  left: -80px;
  width: calc(100vw + 160px);
  height: calc(100vh + 160px);
  z-index: 9998;
  pointer-events: none;
  opacity: 0.032;
  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='0.8' 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: 180px 180px;
  animation: grain-shift 0.75s steps(6) infinite;
}

@keyframes grain-shift {
  0%   { transform: translate(0, 0); }
  16%  { transform: translate(-18px, 14px); }
  33%  { transform: translate(14px, -20px); }
  50%  { transform: translate(-12px, -12px); }
  66%  { transform: translate(20px, 18px); }
  83%  { transform: translate(-16px, 22px); }
  100% { transform: translate(0, 0); }
}

/* --- Fixed Ambient Living Background Canvas & Textured Matrix --- */
.bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  pointer-events: none;
  z-index: -2;
  background-color: var(--bg-primary);
}

.bg-texture-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  pointer-events: none;
  z-index: -1;
  background-image: radial-gradient(rgba(255, 255, 255, 0.038) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 50%, black 40%, transparent 95%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 50%, black 40%, transparent 95%);
}

/* =============================================
   LAYOUT & CONTAINER
   ============================================= */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}

.section {
  padding: clamp(64px, 10vw, 120px) 0;
  position: relative;
}

/* =============================================
   TYPOGRAPHY UTILITIES
   ============================================= */
.gradient-text {
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-light) 50%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: var(--space-md);
}

.section-label::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: var(--radius-full);
  background: var(--accent-light);
  box-shadow: 0 0 10px var(--accent);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.1rem);
  font-weight: 800;
  line-height: var(--line-height-tight);
  letter-spacing: -0.035em;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: clamp(1.025rem, 1.25vw, 1.18rem);
  font-weight: 400;
  color: var(--text-secondary);
  line-height: var(--line-height-normal);
  max-width: 580px;
}

/* =============================================
   BUTTONS (3D PILL BUTTONS)
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  padding: 13px 28px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: transform var(--duration-fast) cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow var(--duration-fast) var(--ease-out),
              background var(--duration-normal) var(--ease-out);
  white-space: nowrap;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  color: #ffffff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 2px 4px rgba(0, 0, 0, 0.25);
  user-select: none;
  -webkit-user-select: none;
}

.btn:active {
  transform: translateY(2.5px) scale(0.99);
}

.btn-primary {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.22) 0%, rgba(255, 255, 255, 0.04) 45%, rgba(0, 0, 0, 0.15) 100%), var(--accent);
  color: #ffffff;
  border: none;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.4),
    0 4px 0 #3730a3,
    0 8px 18px rgba(0, 0, 0, 0.45);
}

.btn-primary:hover {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0.06) 45%, rgba(0, 0, 0, 0.12) 100%), var(--accent-light);
  color: #ffffff;
  border: none;
  transform: translateY(-2px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.5),
    0 6px 0 #3730a3,
    0 12px 24px rgba(99, 102, 241, 0.35),
    0 8px 24px rgba(0, 0, 0, 0.4);
}

.btn-primary:active {
  transform: translateY(3px);
  box-shadow:
    inset 0 1.5px 3px rgba(0, 0, 0, 0.4),
    0 1px 0 #3730a3,
    0 3px 8px rgba(0, 0, 0, 0.35);
}

.btn-ghost {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.02) 50%, rgba(0, 0, 0, 0.2) 100%), rgba(20, 20, 26, 0.7);
  color: #ffffff;
  border: none;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.2),
    0 4px 0 #0d0d12,
    0 8px 18px rgba(0, 0, 0, 0.45);
}

.btn-ghost:hover {
  color: #ffffff;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.16) 0%, rgba(255, 255, 255, 0.05) 50%, rgba(0, 0, 0, 0.15) 100%), rgba(30, 30, 38, 0.85);
  border: none;
  transform: translateY(-2px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.3),
    0 6px 0 #0d0d12,
    0 12px 24px rgba(0, 0, 0, 0.5);
}

.btn-ghost:active {
  transform: translateY(3px);
  box-shadow:
    inset 0 1.5px 3px rgba(0, 0, 0, 0.4),
    0 1px 0 #0d0d12,
    0 3px 8px rgba(0, 0, 0, 0.35);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 13.5px;
  border-radius: var(--radius-full);
}

.btn-lg {
  padding: 15px 32px;
  font-size: 15.5px;
  border-radius: var(--radius-full);
}

.btn-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.7));
  transition: transform var(--duration-normal) var(--ease-out);
}

.btn:hover .btn-icon {
  transform: translateX(2px);
}

/* =============================================
   NAVBAR
   ============================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 92px;
  padding: 0;
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration-normal) var(--ease-out),
              background var(--duration-slow) var(--ease-out);
}

.navbar .container {
  height: 100%;
}

.navbar::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: transparent;
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  transition: background var(--duration-slow) var(--ease-out),
              backdrop-filter var(--duration-slow) var(--ease-out),
              -webkit-backdrop-filter var(--duration-slow) var(--ease-out);
}

.navbar.scrolled {
  padding: 0;
  border-bottom-color: var(--border);
}

.navbar.scrolled::after {
  background: rgba(9, 9, 11, 0.82);
  backdrop-filter: blur(18px) saturate(170%);
  -webkit-backdrop-filter: blur(18px) saturate(170%);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  height: 100%;
}

.navbar__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-decoration: none;
  outline: none;
  height: 100%;
}

.navbar__logo-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  transition: transform 0.35s var(--ease-smooth);
  align-self: center;
  flex-shrink: 0;
}

.navbar__logo:hover .navbar__logo-icon {
  animation: iconShakeSettle 0.8s cubic-bezier(0.45, 0.05, 0.55, 0.95) both;
}

@keyframes iconShakeSettle {
  0% { transform: rotate(0deg); }
  20% { transform: rotate(-5deg) scale(1.04); }
  45% { transform: rotate(5deg) scale(1.04); }
  70% { transform: rotate(-2deg); }
  85% { transform: rotate(2deg); }
  100% { transform: rotate(0deg); }
}

.navbar__logo-text {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  line-height: 1;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: auto;
  flex-shrink: 0;
}

.navbar__logo-text::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-light);
  border-radius: var(--radius-full);
  transform: scaleX(var(--logo-underline-scale, 0));
  transform-origin: var(--logo-underline-origin, 50%) center;
  transition: transform 0.25s var(--ease-out);
  pointer-events: none;
}

.navbar__logo-text span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 6px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent-light);
  text-transform: uppercase;
  background: rgba(99, 102, 241, 0.1);
  padding: 2px 7px;
  border-radius: var(--radius-xs);
  border: 1px solid rgba(99, 102, 241, 0.2);
  line-height: 1;
}

.navbar__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  padding: 0;
  border: none;
  border-radius: 0;
  margin: 0;
}

.navbar__nav li {
  display: flex;
  align-items: center;
  justify-content: center;
}

.navbar__nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: 0;
  line-height: 1;
  position: relative;
  transition: color var(--duration-normal) var(--ease-out);
}

.navbar__nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 12px;
  width: calc(100% - 24px);
  height: 2px;
  background: var(--accent-light);
  border-radius: var(--radius-full);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s var(--ease-out);
  pointer-events: none;
}

.navbar__nav a:hover,
.navbar__nav a.active {
  color: var(--text-primary);
}

.navbar__nav a:hover::after,
.navbar__nav a.active::after {
  transform: scaleX(1);
}

.navbar__right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Language Switcher */
.lang-switch {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-full);
  padding: 3px;
  gap: 2px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.lang-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 5px 10px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  line-height: 1;
  user-select: none;
  -webkit-user-select: none;
}

.lang-btn:hover {
  color: #ffffff;
}

.lang-btn.active {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.22) 0%, rgba(255, 255, 255, 0.04) 45%, rgba(0, 0, 0, 0.15) 100%), var(--accent);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.45),
    inset 0 -1.5px 0 rgba(0, 0, 0, 0.35),
    0 2px 6px rgba(99, 102, 241, 0.4);
}

li.navbar__mobile-lang,
.navbar__mobile-lang {
  display: none !important;
}

.navbar__desktop-lang {
  display: inline-flex;
}

/* Hamburger button */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 8px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: background var(--duration-fast);
}

.navbar__hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.3s var(--ease-out),
              opacity 0.25s var(--ease-out);
}

.navbar__hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.navbar__hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.navbar__hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: clamp(120px, 16vh, 180px) 0 clamp(64px, 10vh, 100px);
  position: relative;
  overflow: hidden;
}

/* Ambient Background Lights */
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero__bg::before {
  content: '';
  position: absolute;
  width: 750px;
  height: 750px;
  top: -150px;
  right: -80px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.14) 0%, transparent 68%);
  animation: float-orb 22s ease-in-out infinite;
}

.hero__bg::after {
  content: '';
  position: absolute;
  width: 650px;
  height: 650px;
  bottom: -120px;
  left: -80px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 68%);
  animation: float-orb 26s ease-in-out infinite reverse;
}

@keyframes float-orb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(25px, -15px) scale(1.04); }
  66% { transform: translate(-18px, 12px) scale(0.96); }
}

/* Subtle dot grid */
.hero__grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 36px 36px;
  z-index: 0;
  mask-image: radial-gradient(ellipse 75% 55% at 50% 45%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 75% 55% at 50% 45%, black 30%, transparent 80%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
}

.hero__title {
  font-size: clamp(2.6rem, 5.5vw, 4.6rem);
  font-weight: 800;
  line-height: var(--line-height-tight);
  letter-spacing: -0.04em;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
}

.hero__title-accent {
  background: linear-gradient(135deg, #ffffff 0%, var(--accent-light) 40%, var(--accent) 80%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

.hero__subtitle {
  font-size: clamp(1.05rem, 1.35vw, 1.25rem);
  font-weight: 400;
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  max-width: 580px;
  margin: 0 auto var(--space-2xl);
}

.hero__actions {
  display: inline-grid;
  grid-template-columns: repeat(2, 1fr);
  width: auto;
  max-width: max-content;
  gap: var(--space-md);
  margin: 0 auto;
  align-items: stretch;
}

.hero__actions .btn {
  width: 100%;
  justify-content: center;
}

.hero__badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(20px, 4vw, 44px);
  margin-top: var(--space-3xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border);
}

.hero__badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--duration-fast);
}

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

.hero__badge-icon {
  width: 17px;
  height: 17px;
  color: var(--accent-light);
  opacity: 0.85;
}

/* =============================================
   PRODUCTS SECTION
   ============================================= */
.products {
  padding: clamp(64px, 10vw, 112px) 0;
  position: relative;
}

.products__header {
  margin-bottom: clamp(36px, 6vw, 64px);
}

.products__header .section-label {
  color: var(--accent-light);
}

.products__header .section-title {
  color: var(--text-primary);
}

.products__header .section-subtitle {
  color: var(--text-secondary);
}

.products__grid {
  display: flex;
  flex-direction: column;
  gap: clamp(24px, 4vw, 40px);
}

/* Product Card Base */
.product-card {
  position: relative;
  border-radius: var(--radius-2xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(18, 18, 24, 0.42);
  backdrop-filter: blur(8px) saturate(140%);
  -webkit-backdrop-filter: blur(8px) saturate(140%);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  overflow: hidden;
  transition: transform var(--duration-normal) var(--ease-out),
              border-color var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

/* Texture overlay on cards */
.product-card::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.015;
  border-radius: inherit;
  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='0.85' 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: 180px 180px;
}

.product-card__glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.65;
  filter: blur(45px);
  will-change: transform;
}

@keyframes card-glow-wander-1 {
  0% { transform: translate(-18%, -15%) scale(1); }
  25% { transform: translate(22%, -25%) scale(1.15); }
  50% { transform: translate(14%, 22%) scale(0.92); }
  75% { transform: translate(-24%, 18%) scale(1.18); }
  100% { transform: translate(-18%, -15%) scale(1); }
}

@keyframes card-glow-wander-2 {
  0% { transform: translate(20%, 22%) scale(1.1); }
  30% { transform: translate(-22%, 14%) scale(0.88); }
  60% { transform: translate(-12%, -22%) scale(1.2); }
  85% { transform: translate(24%, -12%) scale(0.95); }
  100% { transform: translate(20%, 22%) scale(1.1); }
}

@keyframes card-glow-wander-3 {
  0% { transform: translate(-14%, 18%) scale(0.9); }
  22% { transform: translate(26%, 12%) scale(1.12); }
  55% { transform: translate(8%, -26%) scale(1.22); }
  80% { transform: translate(-22%, -12%) scale(0.88); }
  100% { transform: translate(-14%, 18%) scale(0.9); }
}

@keyframes card-glow-wander-4 {
  0% { transform: translate(22%, -18%) scale(1.18); }
  35% { transform: translate(-18%, -22%) scale(0.92); }
  65% { transform: translate(-22%, 22%) scale(1.12); }
  85% { transform: translate(14%, 18%) scale(0.94); }
  100% { transform: translate(22%, -18%) scale(1.18); }
}

.product-card__inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(24px, 4vw, 48px);
  padding: clamp(28px, 4.5vw, 56px);
  position: relative;
  z-index: 1;
}

.product-card__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.product-card__badge {
  display: inline-flex;
  align-items: center;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 13px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
  width: fit-content;
}

.product-card__name {
  font-size: clamp(2rem, 3.4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  margin-bottom: 6px;
  line-height: var(--line-height-tight);
}

.product-card__tagline {
  font-size: clamp(1.05rem, 1.3vw, 1.2rem);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.product-card__desc {
  font-size: clamp(0.95rem, 1vw, 1.05rem);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-xl);
  max-width: 480px;
}

.product-card__cta {
  display: flex;
  gap: var(--space-md);
}

/* Product Card Visuals & Orbit Animations */
.product-card__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  min-height: 260px;
}

.product-card__icon-wrap {
  width: 110px;
  height: 110px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform var(--duration-normal) var(--ease-out);
}

.product-card:hover .product-card__icon-wrap {
  transform: scale(1.04);
}

.product-card__icon-wrap svg {
  width: 52px;
  height: 52px;
}

/* Orbiting Rings */
.product-card__orbit {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
  pointer-events: none;
  animation: orbit-spin 35s linear infinite;
}

.product-card__orbit--1 {
  width: 190px;
  height: 190px;
  opacity: 0.18;
}

.product-card__orbit--2 {
  width: 270px;
  height: 270px;
  opacity: 0.1;
  animation-direction: reverse;
  animation-duration: 48s;
}

@keyframes orbit-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* --- Aurix Variant (Amber/Gold) --- */
.product-card--aurix {
  background:
    radial-gradient(ellipse at 85% 15%, rgba(245, 158, 11, 0.08) 0%, transparent 60%),
    rgba(18, 18, 24, 0.42);
  border-color: rgba(245, 158, 11, 0.22);
}

.product-card--aurix .product-card__glow {
  background: radial-gradient(circle 320px at 50% 50%, var(--aurix-glow) 0%, transparent 70%);
  animation: card-glow-wander-1 16s ease-in-out infinite alternate;
}

.product-card--aurix .product-card__badge {
  background: rgba(245, 158, 11, 0.12);
  color: var(--aurix-light);
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.product-card--aurix .product-card__name {
  color: var(--aurix-light);
}

.product-card--aurix .product-card__icon-wrap {
  background: rgba(245, 158, 11, 0.09);
  border: 1px solid rgba(245, 158, 11, 0.25);
  box-shadow: 0 0 30px var(--aurix-glow-subtle);
}

.product-card--aurix .product-card__icon-wrap svg {
  color: var(--aurix-light);
}

.product-card--aurix .product-card__orbit {
  border-color: var(--aurix-color);
}

.product-card--aurix .btn-primary {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.25) 0%, rgba(255, 255, 255, 0.04) 45%, rgba(0, 0, 0, 0.18) 100%), var(--aurix-color);
  color: #ffffff;
  font-weight: 700;
  border: none;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 2px 4px rgba(0, 0, 0, 0.25);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.45),
    0 4px 0 #92400e,
    0 8px 18px rgba(0, 0, 0, 0.45);
}

.product-card--aurix .btn-primary:hover {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.32) 0%, rgba(255, 255, 255, 0.08) 45%, rgba(0, 0, 0, 0.12) 100%), var(--aurix-light);
  color: #ffffff;
  border: none;
  transform: translateY(-2px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.55),
    0 6px 0 #92400e,
    0 12px 24px rgba(245, 158, 11, 0.35),
    0 8px 24px rgba(0, 0, 0, 0.4);
}

.product-card--aurix .btn-primary:active {
  transform: translateY(3px);
  box-shadow:
    inset 0 1.5px 3px rgba(0, 0, 0, 0.4),
    0 1px 0 #92400e,
    0 3px 8px rgba(0, 0, 0, 0.35);
}

/* --- Supercerebro Variant (Violet/Purple) --- */
.product-card--supra {
  background:
    radial-gradient(ellipse at 85% 15%, rgba(139, 92, 246, 0.09) 0%, transparent 60%),
    rgba(18, 18, 24, 0.42);
  border-color: rgba(139, 92, 246, 0.22);
}

.product-card--supra .product-card__glow {
  background: radial-gradient(circle 320px at 50% 50%, var(--supra-glow) 0%, transparent 70%);
  animation: card-glow-wander-2 20s ease-in-out infinite alternate;
}

.product-card--supra .product-card__badge {
  background: rgba(139, 92, 246, 0.12);
  color: var(--supra-light);
  border: 1px solid rgba(139, 92, 246, 0.25);
}

.product-card--supra .product-card__name {
  color: var(--supra-light);
}

.product-card--supra .product-card__icon-wrap {
  background: rgba(139, 92, 246, 0.09);
  border: 1px solid rgba(139, 92, 246, 0.25);
  box-shadow: 0 0 30px var(--supra-glow-subtle);
}

.product-card--supra .product-card__icon-wrap svg {
  color: var(--supra-light);
}

.product-card--supra .product-card__orbit {
  border-color: var(--supra-color);
}

.product-card--supra .btn-primary {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.25) 0%, rgba(255, 255, 255, 0.04) 45%, rgba(0, 0, 0, 0.18) 100%), var(--supra-color);
  color: #ffffff;
  font-weight: 700;
  border: none;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 2px 4px rgba(0, 0, 0, 0.25);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.45),
    0 4px 0 #5b21b6,
    0 8px 18px rgba(0, 0, 0, 0.45);
}

.product-card--supra .btn-primary:hover {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.32) 0%, rgba(255, 255, 255, 0.08) 45%, rgba(0, 0, 0, 0.12) 100%), var(--supra-light);
  color: #ffffff;
  border: none;
  transform: translateY(-2px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.55),
    0 6px 0 #5b21b6,
    0 12px 24px rgba(139, 92, 246, 0.35),
    0 8px 24px rgba(0, 0, 0, 0.4);
}

.product-card--supra .btn-primary:active {
  transform: translateY(3px);
  box-shadow:
    inset 0 1.5px 3px rgba(0, 0, 0, 0.4),
    0 1px 0 #5b21b6,
    0 3px 8px rgba(0, 0, 0, 0.35);
}

/* --- Duora Variant (Cyan) --- */
.product-card--duora {
  background:
    radial-gradient(ellipse at 85% 15%, rgba(0, 198, 255, 0.08) 0%, transparent 60%),
    rgba(18, 18, 24, 0.42);
  border-color: rgba(0, 198, 255, 0.22);
}

.product-card--duora .product-card__glow {
  background: radial-gradient(circle 320px at 50% 50%, var(--duora-glow) 0%, transparent 70%);
  animation: card-glow-wander-3 18s ease-in-out infinite alternate;
}

.product-card--duora .product-card__badge {
  background: rgba(0, 198, 255, 0.12);
  color: var(--duora-light);
  border: 1px solid rgba(0, 198, 255, 0.25);
}

.product-card--duora .product-card__name {
  color: var(--duora-light);
}

.product-card--duora .product-card__icon-wrap {
  background: rgba(0, 198, 255, 0.09);
  border: 1px solid rgba(0, 198, 255, 0.25);
  box-shadow: 0 0 30px var(--duora-glow-subtle);
}

.product-card--duora .product-card__icon-wrap svg {
  color: var(--duora-light);
}

.product-card--duora .product-card__orbit {
  border-color: var(--duora-color);
}

.product-card--duora .btn-primary {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0.06) 45%, rgba(0, 0, 0, 0.18) 100%), var(--duora-color);
  color: #ffffff;
  font-weight: 700;
  border: none;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 2px 4px rgba(0, 0, 0, 0.25);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.5),
    0 4px 0 #0369a1,
    0 8px 18px rgba(0, 0, 0, 0.45);
}

.product-card--duora .btn-primary:hover {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.38) 0%, rgba(255, 255, 255, 0.1) 45%, rgba(0, 0, 0, 0.12) 100%), var(--duora-light);
  color: #ffffff;
  border: none;
  transform: translateY(-2px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.6),
    0 6px 0 #0369a1,
    0 12px 24px rgba(0, 198, 255, 0.35),
    0 8px 24px rgba(0, 0, 0, 0.4);
}

.product-card--duora .btn-primary:active {
  transform: translateY(3px);
  box-shadow:
    inset 0 1.5px 3px rgba(0, 0, 0, 0.4),
    0 1px 0 #0369a1,
    0 3px 8px rgba(0, 0, 0, 0.35);
}

/* --- Vibrafy Variant (Rose/Magenta) --- */
.product-card--vibrafy {
  background:
    radial-gradient(ellipse at 85% 15%, rgba(244, 63, 94, 0.09) 0%, transparent 60%),
    rgba(18, 18, 24, 0.42);
  border-color: rgba(244, 63, 94, 0.22);
}

.product-card--vibrafy .product-card__glow {
  background: radial-gradient(circle 320px at 50% 50%, var(--vibra-glow) 0%, transparent 70%);
  animation: card-glow-wander-4 22s ease-in-out infinite alternate;
}

.product-card--vibrafy .product-card__badge {
  background: rgba(244, 63, 94, 0.12);
  color: var(--vibra-light);
  border: 1px solid rgba(244, 63, 94, 0.25);
}

.product-card--vibrafy .product-card__name {
  color: var(--vibra-light);
}

.product-card--vibrafy .product-card__icon-wrap {
  background: rgba(244, 63, 94, 0.09);
  border: 1px solid rgba(244, 63, 94, 0.25);
  box-shadow: 0 0 30px var(--vibra-glow-subtle);
}

.product-card--vibrafy .product-card__icon-wrap svg {
  color: var(--vibra-light);
}

.product-card--vibrafy .product-card__orbit {
  border-color: var(--vibra-color);
}

.product-card--vibrafy .btn-primary {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.25) 0%, rgba(255, 255, 255, 0.04) 45%, rgba(0, 0, 0, 0.18) 100%), var(--vibra-color);
  color: #ffffff;
  font-weight: 700;
  border: none;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 2px 4px rgba(0, 0, 0, 0.25);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.45),
    0 4px 0 #9f1239,
    0 8px 18px rgba(0, 0, 0, 0.45);
}

.product-card--vibrafy .btn-primary:hover {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.32) 0%, rgba(255, 255, 255, 0.08) 45%, rgba(0, 0, 0, 0.12) 100%), var(--vibra-light);
  color: #ffffff;
  border: none;
  transform: translateY(-2px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.55),
    0 6px 0 #9f1239,
    0 12px 24px rgba(244, 63, 94, 0.35),
    0 8px 24px rgba(0, 0, 0, 0.4);
}

.product-card--vibrafy .btn-primary:active {
  transform: translateY(3px);
  box-shadow:
    inset 0 1.5px 3px rgba(0, 0, 0, 0.4),
    0 1px 0 #9f1239,
    0 3px 8px rgba(0, 0, 0, 0.35);
}

/* --- Coming Soon Card --- */
.product-card--soon {
  border-style: dashed;
  background: rgba(255, 255, 255, 0.015);
}

.product-card--soon:hover {
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.025);
}

.product-card--soon .product-card__inner {
  grid-template-columns: 1fr;
  text-align: center;
  padding: clamp(32px, 5vw, 56px);
}

.product-card--soon .product-card__content {
  align-items: center;
}

.product-card--soon .product-card__icon-wrap {
  width: 68px;
  height: 68px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed var(--border-hover);
  margin-bottom: var(--space-md);
}

.product-card--soon .product-card__icon-wrap svg {
  width: 28px;
  height: 28px;
  color: var(--text-muted);
}

.product-card--soon .product-card__name {
  font-size: 1.4rem;
  color: var(--text-primary);
}

.product-card--soon .product-card__desc {
  max-width: 440px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 0;
}

/* =============================================
   PROCESS SECTION (SCROLL PROGRESS TIMELINE)
   ============================================= */
.process {
  padding: clamp(64px, 10vw, 112px) 0;
  background: transparent;
  position: relative;
}

.process::before,
.process::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.06), transparent);
}

.process::before { top: 0; }
.process::after { bottom: 0; }

.process__header {
  text-align: left;
  margin-bottom: clamp(40px, 6vw, 68px);
}

.process__header .section-subtitle {
  margin-left: 0;
  margin-right: 0;
}

.process__timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  position: relative;
}

/* Process Horizontal Track & Line (Desktop) */
.process__line-track {
  position: absolute;
  top: 28px;
  left: calc(12.5% + 15px);
  right: calc(12.5% + 15px);
  height: 2px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
  z-index: 1;
}

.process__line-progress {
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transform-origin: left center;
  transform: scaleX(0);
  box-shadow: 0 0 10px var(--accent-glow);
  transition: transform 0.1s linear;
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 2;
  transition: transform var(--duration-normal) var(--ease-out);
}

.process-step__number {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-hover);
  background: #09090b;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  z-index: 3;
}

.process-step__number svg {
  width: 22px;
  height: 22px;
  color: var(--text-muted);
  transition: color var(--duration-normal) var(--ease-out),
              transform var(--duration-normal) var(--ease-out);
}

/* Step hover & active states */
.process-step:hover .process-step__number,
.process-step.is-active .process-step__number {
  border-color: var(--accent);
  box-shadow: 0 0 25px var(--accent-glow);
  background: #18181b;
  transform: scale(1.06);
}

.process-step:hover .process-step__number svg,
.process-step.is-active .process-step__number svg {
  color: var(--accent-light);
  transform: scale(1.05);
}

.process-step__label {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: -0.015em;
  transition: color var(--duration-fast);
}

.process-step.is-active .process-step__label {
  color: #ffffff;
}

.process-step__desc {
  font-size: 14.5px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 220px;
}

/* =============================================
   ABOUT SECTION
   ============================================= */
.about {
  padding: clamp(64px, 8vw, 96px) 0 clamp(24px, 3vw, 36px);
  position: relative;
}

.about__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(32px, 6vw, 64px);
  align-items: center;
}

.about__content {
  max-width: 520px;
}

.about__title {
  font-size: clamp(2rem, 3.4vw, 2.75rem);
  font-weight: 800;
  line-height: var(--line-height-tight);
  letter-spacing: -0.035em;
  margin-bottom: var(--space-md);
}

.about__desc {
  font-size: clamp(1rem, 1.1vw, 1.15rem);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-xl);
}

.about__values {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: 0;
}

.about__value {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 15.5px;
  font-weight: 500;
  color: var(--text-secondary);
}

.about__value-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.025);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.about__value-icon svg {
  width: 18px;
  height: 18px;
  color: var(--accent-light);
}

/* Stats Cards */
.about__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.stat-card {
  padding: clamp(24px, 3.5vw, 36px);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  text-align: center;
  transition: border-color var(--duration-normal) var(--ease-out),
              transform var(--duration-normal) var(--ease-out);
}

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

.stat-card__num {
  font-size: clamp(2.6rem, 4vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--accent-light);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-card__label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
}

/* =============================================
   CTA SECTION
   ============================================= */
.cta-section {
  padding: clamp(16px, 2.5vw, 28px) 0 clamp(64px, 8vw, 96px);
  position: relative;
}

.cta-section__header {
  text-align: left;
  margin-bottom: clamp(20px, 3vw, 28px);
}

.cta-section__inner {
  position: relative;
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  padding: clamp(48px, 8vw, 84px) clamp(24px, 5vw, 48px);
  text-align: center;
  overflow: hidden;
}

.cta-section__inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(99, 102, 241, 0.16) 0%, transparent 65%);
  pointer-events: none;
}

.cta-section__content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
}

.cta-section__title {
  font-size: clamp(2rem, 3.8vw, 2.9rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: var(--line-height-tight);
  margin-bottom: 8px;
}

.cta-section__sub {
  font-size: clamp(1.05rem, 1.25vw, 1.25rem);
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
  padding: 20px 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.footer__brand-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: -0.01em;
}

.footer__nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.footer__nav a {
  font-size: 13.5px;
  color: var(--text-muted);
  transition: color var(--duration-fast);
}

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

.footer__copy {
  font-size: 13.5px;
  color: var(--text-muted);
}

.footer__location {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  color: var(--text-muted);
}

.footer__location svg {
  width: 14px;
  height: 14px;
  color: var(--accent-light);
}

/* =============================================
   SCROLL REVEAL (FALLBACK & DEFAULT STYLES)
   ============================================= */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s var(--ease-smooth),
              transform 0.65s var(--ease-smooth);
  will-change: opacity, transform;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
  will-change: auto;
}

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }

/* =============================================
   CONTACT PAGE SPECIFIC STYLES
   ============================================= */
.contact-hero {
  padding: clamp(112px, 12vh, 128px) 0 clamp(16px, 2.5vh, 28px);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.contact-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 60% at 50% 0%, var(--accent-glow-lg) 0%, transparent 65%);
}

.contact-hero__inner {
  position: relative;
  z-index: 1;
}

.contact-hero__title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  margin-bottom: var(--space-xs);
}

.contact-hero__title .text-accent {
  color: var(--accent-light);
}

.contact-hero__sub {
  font-size: 15.5px;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto;
  line-height: var(--line-height-normal);
}

.contact-main {
  padding: 0 0 var(--space-3xl);
}

.contact__form-card {
  max-width: 620px;
  margin: 0 auto;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: clamp(24px, 4vw, 36px);
  position: relative;
  overflow: hidden;
}

.contact__form-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.6;
}

.contact__form-title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form__group {
  margin-bottom: var(--space-md);
}

.form__label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form__label span {
  color: var(--accent-light);
}

.form__input,
.form__select,
.form__textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14.5px;
  padding: 10px 14px;
  outline: none;
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out);
  -webkit-appearance: none;
  appearance: none;
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--text-dim);
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  border-color: var(--accent-light);
  background: rgba(99, 102, 241, 0.04);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form__select {
  cursor: pointer;
}

.form__select option {
  background: var(--bg-surface);
  color: var(--text-primary);
}

.form__textarea {
  resize: vertical;
  min-height: 100px;
}

.form__submit {
  width: 100%;
  padding: 14px 28px;
  font-size: 15px;
  border-radius: var(--radius-full);
  cursor: pointer;
}

.form__success {
  display: none;
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
}

.form__success.visible {
  display: block;
}

.form__success-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
}

.form__success-icon svg {
  width: 28px;
  height: 28px;
  color: var(--accent-light);
}

.form__success-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
  letter-spacing: -0.02em;
}

.form__success-sub {
  font-size: 15.5px;
  color: var(--text-secondary);
}

/* =============================================
   RESPONSIVE DESIGN SYSTEM
   ============================================= */

/* ── Tablet (≤1024px) ── */
@media (max-width: 1024px) {
  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .about__content {
    max-width: 100%;
  }

  .about__values {
    align-items: flex-start;
  }
}

/* ── Medium Tablet (≤900px) ── */
@media (max-width: 900px) {
  .product-card__inner {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .product-card__content {
    order: 2;
  }

  .product-card__visual {
    order: 1;
    min-height: 200px;
  }

  .contact__grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
}

/* ── Phone (≤768px) — MAIN MOBILE BREAKPOINT ── */
@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  /* Mobile Navbar */
  .navbar {
    padding: 14px 0;
    transform: none !important;
  }

  .navbar.scrolled {
    padding: 10px 0;
  }

  .navbar__logo {
    position: relative;
    z-index: 1005;
  }

  .navbar__logo-icon {
    width: 48px;
    height: 48px;
  }

  .navbar__logo-text {
    font-size: 20px;
  }

  .navbar__logo-text span {
    font-size: 12px;
    padding: 1px 5px;
  }

  /* Hamburger Toggle */
  .navbar__hamburger {
    display: flex;
    position: relative;
    z-index: 1005;
    pointer-events: auto;
  }

  .navbar__hamburger span {
    pointer-events: none;
  }

  /* Mobile Menu Overlay */
  .navbar__nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    z-index: 1000;
    background-color: #09090b;
    background-image:
      radial-gradient(ellipse 65% 45% at 50% 25%, rgba(99, 102, 241, 0.14) 0%, transparent 70%),
      radial-gradient(ellipse 50% 35% at 80% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 60%);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 100px 24px 40px;
    border-radius: 0;
    border: none;
    gap: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    display: flex;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.28s var(--ease-out),
                transform 0.28s var(--ease-out),
                visibility 0.28s;
  }

  .navbar__nav.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .navbar__nav li {
    width: 100%;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
  }

  .navbar__nav li:first-child {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  .navbar__nav a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    font-size: 19px;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 20px 24px;
    border-radius: 0;
    background: transparent !important;
    border: none !important;
    opacity: 0;
    transform: translateY(12px);
    transition: color var(--duration-fast),
                background var(--duration-fast),
                opacity 0.35s var(--ease-out),
                transform 0.35s var(--ease-out);
    -webkit-tap-highlight-color: rgba(99, 102, 241, 0.15);
  }

  .navbar__nav a:hover,
  .navbar__nav a:active {
    background: rgba(255, 255, 255, 0.04) !important;
  }

  .navbar__nav.open a {
    opacity: 1;
    transform: translateY(0);
  }

  .navbar__nav.open li:nth-child(1) a { transition-delay: 0.04s; }
  .navbar__nav.open li:nth-child(2) a { transition-delay: 0.08s; }
  .navbar__nav.open li:nth-child(3) a { transition-delay: 0.12s; }
  .navbar__nav.open li:nth-child(4) a { transition-delay: 0.16s; }
  .navbar__nav.open li:nth-child(5) a { transition-delay: 0.20s; }

  .navbar__nav a:active,
  .navbar__nav a.active {
    color: var(--accent-light);
  }

  .navbar__nav a::after {
    display: none;
  }

  /* Hero Mobile */
  .hero {
    min-height: 100svh;
    padding: 108px 0 48px;
  }

  .hero__title {
    font-size: clamp(2rem, 8vw, 2.75rem);
    margin-bottom: var(--space-md);
  }

  .hero__subtitle {
    font-size: 1rem;
    margin-bottom: var(--space-xl);
  }

  .hero__actions {
    display: inline-grid;
    grid-template-columns: 1fr;
    width: auto;
    max-width: max-content;
    margin: 0 auto;
    gap: 12px;
  }

  .hero__actions .btn {
    width: 100%;
    justify-content: center;
  }

  .hero__badges {
    flex-direction: column;
    gap: var(--space-md);
    margin-top: var(--space-2xl);
    padding-top: var(--space-lg);
  }

  /* Products Header Mobile */
  .products__header,
  .products__header.reveal {
    opacity: 1 !important;
    transform: none !important;
    visibility: visible !important;
  }

  .products__header .section-label {
    color: var(--accent-light) !important;
  }

  .products__header .section-title {
    color: var(--text-primary) !important;
  }

  .products__header .section-subtitle {
    color: var(--text-secondary) !important;
  }

  /* Process Header Mobile */
  .process__header,
  .process__header.reveal {
    opacity: 1 !important;
    transform: none !important;
    visibility: visible !important;
  }

  .process__header .section-label {
    color: var(--accent-light) !important;
  }

  .process__header .section-title {
    color: var(--text-primary) !important;
  }

  .process__header .section-subtitle {
    color: var(--text-secondary) !important;
  }

  /* Product Cards Mobile */
  .product-card__inner {
    padding: 24px 20px;
    gap: var(--space-lg);
  }

  .product-card__name {
    font-size: 1.65rem;
  }

  .product-card__tagline {
    font-size: 15.5px;
    margin-bottom: var(--space-sm);
  }

  .product-card__desc {
    font-size: 14.5px;
    margin-bottom: var(--space-lg);
  }

  .product-card__visual {
    min-height: 170px;
  }

  .product-card__icon-wrap {
    width: 90px;
    height: 90px;
  }

  .product-card__icon-wrap svg {
    width: 42px;
    height: 42px;
  }

  .product-card__orbit--1 {
    width: 150px;
    height: 150px;
  }

  .product-card__orbit--2 {
    width: 210px;
    height: 210px;
  }

  /* Process Vertical Timeline for Mobile */
  .process__timeline {
    grid-template-columns: 1fr;
    gap: 36px;
    padding-left: 56px;
    position: relative;
  }

  .process__line-track {
    top: 24px;
    bottom: 24px;
    left: 23px;
    right: auto;
    width: 2px;
    height: auto;
    z-index: 1;
  }

  .process__line-progress {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, var(--accent), var(--accent-light));
    transform-origin: top center;
    transform: scaleY(0);
  }

  .process-step {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    position: relative;
    z-index: 2;
  }

  .process-step__number {
    position: absolute;
    left: -56px;
    top: 0;
    width: 48px;
    height: 48px;
    background: #09090b;
    z-index: 3;
    margin-bottom: 0;
    flex-shrink: 0;
  }

  .process-step__number svg {
    width: 20px;
    height: 20px;
  }

  .process-step__label {
    font-size: 16.5px;
    margin-bottom: 4px;
  }

  .process-step__desc {
    font-size: 14px;
    max-width: 100%;
  }

  /* Stats Mobile */
  .about__stats {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }

  .stat-card {
    padding: var(--space-lg) var(--space-sm);
  }

  .stat-card__num {
    font-size: 2.2rem;
  }

  .stat-card__label {
    font-size: 13px;
  }

  /* Form Elements Mobile */
  .form__row {
    grid-template-columns: 1fr;
  }

  .form__input,
  .form__select,
  .form__textarea {
    font-size: 16px; /* Prevents auto-zoom on iOS Safari */
    padding: 14px 16px;
  }

  /* Language Switcher Mobile */
  .navbar__desktop-lang {
    display: none !important;
  }

  li.navbar__mobile-lang,
  .navbar__mobile-lang {
    display: flex !important;
    border-bottom: none !important;
    border-top: none !important;
    padding-top: 24px;
    justify-content: center !important;
    width: 100%;
  }

  .navbar__mobile-lang .lang-switch {
    padding: 4px;
    gap: 4px;
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.18);
  }

  .navbar__mobile-lang .lang-btn {
    font-size: 14px;
    padding: 8px 18px;
  }

  /* Footer Mobile */
  .footer {
    padding: 16px 0;
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }
}

/* ── Small Phone (≤400px) ── */
@media (max-width: 400px) {
  .container {
    padding: 0 16px;
  }

  .hero__title {
    font-size: 1.9rem;
  }

  .navbar__logo-text {
    font-size: 18px;
  }

  .product-card__inner {
    padding: 20px 16px;
  }

  .about__stats {
    grid-template-columns: 1fr;
  }

  .stat-card__num {
    font-size: 2rem;
  }

  .process__timeline {
    padding-left: 48px;
  }

  .process__line-track {
    left: 20px;
  }

  .process-step__number {
    left: -48px;
    width: 42px;
    height: 42px;
  }

  .process-step__number svg {
    width: 18px;
    height: 18px;
  }
}

/* ── Safe Area for Notched Mobile Devices ── */
@supports (padding: env(safe-area-inset-bottom)) {
  .footer {
    padding-bottom: calc(16px + env(safe-area-inset-bottom));
  }

  @media (max-width: 768px) {
    .navbar__nav {
      padding-bottom: calc(40px + env(safe-area-inset-bottom));
    }
  }
}

/* ── Accessibility: Prefers Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  body::before {
    animation: none !important;
  }

  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }

  .process__line-progress {
    transform: scale(1) !important;
  }

  .product-card__orbit {
    animation: none !important;
  }
}