/* =============================================
   OrlivenqAI — Design System & Stylesheet
   ============================================= */

/* --- Design Tokens --- */
:root {
  /* Colors */
  --color-bg: #f4f4f0;
  --color-bg-alt: #eeeef8;
  --color-surface: #ffffff;
  --color-surface-raised: #fafafa;
  --color-text: #1a1a2e;
  --color-text-muted: #6b6b7a;
  --color-text-light: rgba(255,255,255,0.85);
  --color-accent: #5b4fff;
  --color-accent-hover: #4a3ee8;
  --color-accent-light: rgba(91,79,255,0.1);
  --color-accent-glow: rgba(91,79,255,0.25);
  --color-dark: #12122a;
  --color-dark-surface: #1c1c38;
  --color-border: #e2e2e8;
  --color-border-light: rgba(255,255,255,0.12);

  /* Nav */
  --nav-bg: #ffffff;
  --nav-height: 68px;

  /* Shadows - layered system */
  --shadow-xs: 0 1px 2px rgba(26,26,46,0.05);
  --shadow-sm: 0 1px 3px rgba(26,26,46,0.06), 0 1px 2px rgba(26,26,46,0.04);
  --shadow-md: 0 4px 12px rgba(26,26,46,0.08), 0 2px 6px rgba(26,26,46,0.05);
  --shadow-lg: 0 8px 24px rgba(26,26,46,0.1), 0 4px 10px rgba(26,26,46,0.06);
  --shadow-xl: 0 16px 40px rgba(26,26,46,0.12), 0 8px 16px rgba(26,26,46,0.07);
  --shadow-accent: 0 4px 14px rgba(91,79,255,0.25), 0 2px 6px rgba(91,79,255,0.15);
  --shadow-nav: 0 2px 8px rgba(26,26,46,0.07), 0 1px 3px rgba(26,26,46,0.04);
  --shadow-nav-scrolled: 0 4px 20px rgba(26,26,46,0.12), 0 2px 8px rgba(26,26,46,0.07);

  /* Border Radius Scale */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-2xl: 28px;
  --radius-full: 9999px;

  /* Spacing Scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --space-32: 128px;

  /* Typography */
  --font-body: 'DM Sans', sans-serif;
  --font-heading: 'DM Sans', sans-serif;
  --leading-tight: 1.2;
  --leading-snug: 1.4;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;
}

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

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

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: var(--leading-normal);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-accent);
  transition: color 0.25s ease;
}

a:hover {
  color: var(--color-accent-hover);
}

ul {
  list-style: none;
}

/* --- Container --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* --- Section Utilities --- */
.section {
  padding: var(--space-24) 0;
}

.section--light {
  background: var(--color-bg);
}

.section--neutral {
  background: var(--color-bg-alt);
}

.section--dark {
  background: var(--color-dark);
}

.section--accent-bg {
  background: linear-gradient(135deg, var(--color-accent) 0%, #3d2fd4 100%);
  position: relative;
  overflow: hidden;
}

.section--accent-bg::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -120px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--space-16);
}

.section-header--light .section-heading {
  color: #ffffff;
}

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.section-label--light {
  color: rgba(255,255,255,0.9);
  background: rgba(255,255,255,0.15);
}

.section-heading {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: var(--leading-tight);
  color: var(--color-text);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

.section-sub--light {
  color: rgba(255,255,255,0.75);
}

/* --- Navigation --- */
#main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--nav-bg);
  box-shadow: var(--shadow-nav);
  transition: box-shadow 0.3s ease;
}

#main-nav.scrolled {
  box-shadow: var(--shadow-nav-scrolled);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-text);
  flex-shrink: 0;
  transition: opacity 0.25s ease;
}

.nav-logo:hover {
  opacity: 0.8;
  color: var(--color-text);
}

.nav-logo img {
  height: 36px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.25s ease;
  position: relative;
  padding-bottom: 2px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform 0.25s ease;
  border-radius: var(--radius-full);
}

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

.nav-links a:hover::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: 9px 20px !important;
  font-size: 0.85rem !important;
  flex-shrink: 0;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-2);
  border: none;
  background: transparent;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: var(--radius-full);
  transition: all 0.3s ease;
  display: block;
}

/* --- Mobile Curtain Menu --- */
#mobile-curtain {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-dark);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateY(-100%);
  transition: transform 0.5s cubic-bezier(0.77, 0, 0.175, 1);
  pointer-events: none;
}

#mobile-curtain.open {
  transform: translateY(0);
  pointer-events: all;
}

.curtain-inner {
  text-align: center;
  padding: var(--space-10);
  width: 100%;
}

.curtain-links {
  list-style: none;
  margin-bottom: var(--space-12);
}

.curtain-links li {
  transform: translateY(-30px);
  opacity: 0;
  transition: transform 0.4s ease, opacity 0.4s ease;
}

#mobile-curtain.open .curtain-links li:nth-child(1) { transform: translateY(0); opacity: 1; transition-delay: 0.1s; }
#mobile-curtain.open .curtain-links li:nth-child(2) { transform: translateY(0); opacity: 1; transition-delay: 0.18s; }
#mobile-curtain.open .curtain-links li:nth-child(3) { transform: translateY(0); opacity: 1; transition-delay: 0.26s; }
#mobile-curtain.open .curtain-links li:nth-child(4) { transform: translateY(0); opacity: 1; transition-delay: 0.34s; }
#mobile-curtain.open .curtain-links li:nth-child(5) { transform: translateY(0); opacity: 1; transition-delay: 0.42s; }

.curtain-links a {
  display: block;
  font-size: clamp(1.5rem, 5vw, 2.2rem);
  font-weight: 700;
  color: #ffffff;
  text-decoration: none;
  padding: var(--space-4) 0;
  transition: color 0.25s ease;
  letter-spacing: -0.02em;
}

.curtain-links a:hover {
  color: var(--color-accent);
}

#curtain-close {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #ffffff;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-body);
  transition: all 0.25s ease;
  min-height: 44px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease 0.5s, transform 0.4s ease 0.5s, background 0.25s ease;
}

#mobile-curtain.open #curtain-close {
  opacity: 1;
  transform: translateY(0);
}

#curtain-close:hover {
  background: rgba(255,255,255,0.2);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 13px 26px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  transition: all 0.25s ease;
  cursor: pointer;
  border: none;
  font-family: var(--font-body);
  letter-spacing: 0.01em;
  min-height: 44px;
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent);
  color: #ffffff;
  box-shadow: var(--shadow-accent);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  box-shadow: 0 6px 20px rgba(91,79,255,0.38), 0 3px 8px rgba(91,79,255,0.2);
  transform: translateY(-2px);
  color: #ffffff;
}

.btn--outline {
  background: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}

.btn--outline:hover {
  background: var(--color-accent);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
}

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

/* --- Hero Section --- */
#hero {
  padding-top: var(--nav-height);
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-16);
  max-width: 1200px;
  margin: 0 auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
  padding-bottom: var(--space-16);
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-accent-light);
  color: var(--color-accent);
  padding: 7px 16px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: var(--space-5);
  border: 1px solid rgba(91,79,255,0.2);
}

.hero-heading {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.accent-text {
  color: var(--color-accent);
  position: relative;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  max-width: 520px;
  margin-bottom: var(--space-8);
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

.hero-chips {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-muted);
  box-shadow: var(--shadow-xs);
}

.chip i {
  color: var(--color-accent);
  font-size: 0.7rem;
}

/* Hero Visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-card-float {
  position: relative;
  width: 340px;
  height: 420px;
}

.float-card {
  position: absolute;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.float-card i {
  color: var(--color-accent);
  font-size: 1.1rem;
}

.float-card--top {
  top: 0;
  left: -20px;
  animation: floatY 3s ease-in-out infinite;
}

.float-card--bottom {
  bottom: 20px;
  right: -20px;
  animation: floatY 3.5s ease-in-out infinite reverse;
}

.float-card--center {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: 0;
  overflow: hidden;
  width: 260px;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.mock-editor {
  padding: var(--space-4);
  width: 100%;
}

.editor-dots {
  display: flex;
  gap: 5px;
  margin-bottom: var(--space-4);
}

.editor-dots span {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--color-border);
}

.editor-dots span:first-child { background: #ff6b6b; }
.editor-dots span:nth-child(2) { background: #ffd166; }
.editor-dots span:last-child { background: #06d6a0; }

.editor-lines {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: var(--space-4);
}

.editor-line {
  height: 8px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  width: 100%;
  animation: shimmer 2s ease-in-out infinite;
}

.editor-line--heading {
  height: 12px;
  background: linear-gradient(90deg, var(--color-accent-light), rgba(91,79,255,0.2));
  width: 70%;
}

.editor-line--short { width: 45%; }
.editor-line--medium { width: 75%; }

@keyframes shimmer {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

.editor-badge {
  background: var(--color-accent-light);
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 6px 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-top: 1px solid var(--color-border);
}

/* --- Transition Band --- */
.transition-band {
  background: var(--color-dark);
  padding: var(--space-5) 0;
  overflow: hidden;
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.band-inner {
  display: flex;
  gap: var(--space-12);
  animation: scrollBand 20s linear infinite;
  white-space: nowrap;
  width: max-content;
}

.band-inner span {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.band-inner span i {
  color: var(--color-accent);
  font-size: 0.8rem;
}

@keyframes scrollBand {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --- Cards --- */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(91,79,255,0.2);
}

.card--featured {
  border-color: var(--color-accent);
  background: linear-gradient(135deg, #ffffff 0%, rgba(91,79,255,0.03) 100%);
  box-shadow: var(--shadow-md), 0 0 0 1px rgba(91,79,255,0.15);
  position: relative;
}

.card--compact {
  padding: var(--space-5);
}

/* Card Grid */
.card-grid {
  display: grid;
  gap: var(--space-6);
}

.card-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.card-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.card-grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

/* Card Icon */
.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  transition: background 0.25s ease;
}

.card-icon i {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  transition: color 0.25s ease;
}

.card-icon--accent {
  background: var(--color-accent-light);
}

.card-icon--accent i {
  color: var(--color-accent);
}

.card:hover .card-icon {
  background: var(--color-accent-light);
}

.card:hover .card-icon i {
  color: var(--color-accent);
}

.card-heading {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  line-height: var(--leading-snug);
}

.card-text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

.card-badge {
  display: inline-block;
  background: var(--color-accent);
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-top: var(--space-4);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* --- Process Steps --- */
.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  left: 36px;
  top: 40px;
  bottom: 40px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-accent) 0%, rgba(91,79,255,0.1) 100%);
}

.process-step {
  display: flex;
  gap: var(--space-8);
  padding: var(--space-8) 0;
  align-items: flex-start;
  position: relative;
}

.step-number {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-accent);
  position: relative;
  z-index: 1;
  letter-spacing: -0.02em;
}

.step-content {
  padding-top: var(--space-3);
}

.step-content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: var(--space-3);
}

.step-content p {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.65);
  line-height: var(--leading-relaxed);
}

/* --- Use Cases Grid --- */
.usecase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.usecase-card {
  display: flex;
  gap: var(--space-5);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.usecase-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.usecase-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.usecase-icon i {
  font-size: 1.3rem;
  color: var(--color-accent);
}

.usecase-content h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.usecase-content p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

/* --- Team Section --- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.card--team {
  text-align: center;
  padding: var(--space-8) var(--space-6);
}

.team-avatar {
  margin-bottom: var(--space-5);
  display: flex;
  justify-content: center;
}

.avatar-placeholder {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.avatar-placeholder--1 { background: linear-gradient(135deg, #e8e6ff, #c8c3ff); color: var(--color-accent); }
.avatar-placeholder--2 { background: linear-gradient(135deg, #e6f0ff, #c3d8ff); color: #3b82f6; }
.avatar-placeholder--3 { background: linear-gradient(135deg, #e6fff6, #c3f0e0); color: #10b981; }
.avatar-placeholder--4 { background: linear-gradient(135deg, #fff3e6, #ffd9b3); color: #f59e0b; }

.team-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.team-role {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.team-bio {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

/* --- Calculator Section --- */
.calc-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-16);
  align-items: start;
}

.calc-hints {
  list-style: none;
  margin-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.calc-hints li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
}

.calc-hints li i {
  color: rgba(255,255,255,0.5);
  font-size: 0.8rem;
}

.calc-form-area {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  backdrop-filter: blur(10px);
}

.calc-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

.calc-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.calc-field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
}

.calc-input {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-md);
  padding: 11px 16px;
  font-size: 0.95rem;
  color: #ffffff;
  font-family: var(--font-body);
  transition: border-color 0.25s ease, background 0.25s ease;
  min-height: 44px;
  width: 100%;
}

.calc-input::placeholder {
  color: rgba(255,255,255,0.35);
}

.calc-input:focus {
  outline: none;
  border-color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.15);
}

.calc-input option {
  background: var(--color-dark);
  color: #ffffff;
}

.calc-btn {
  background: #ffffff;
  color: var(--color-accent);
  box-shadow: 0 4px 14px rgba(0,0,0,0.2);
}

.calc-btn:hover {
  background: rgba(255,255,255,0.92);
  color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.25);
}

.calc-result {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: var(--space-5);
}

.result-placeholder {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: rgba(255,255,255,0.4);
  font-size: 0.9rem;
}

.result-placeholder i {
  font-size: 1.2rem;
}

.result-data {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.result-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
}

.result-value {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
}

.result-note {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.45);
  line-height: var(--leading-relaxed);
  margin-top: var(--space-3);
}

/* --- Legal Split Section --- */
.legal-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.legal-text p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

.legal-refs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.legal-ref {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-xs);
}

.legal-ref i {
  color: var(--color-accent);
  font-size: 1rem;
  margin-top: 2px;
  flex-shrink: 0;
}

.legal-ref strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 2px;
}

.legal-ref span {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

/* Legal Visual */
.legal-visual {
  position: sticky;
  top: calc(var(--nav-height) + 24px);
}

.legal-card-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.legal-info-card {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding: var(--space-5) var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.legal-info-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-lg);
}

.legal-info-card--1 {
  background: #fffbf0;
  border-color: #fde68a;
}

.legal-info-card--1 i {
  color: #d97706;
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.legal-info-card--2 {
  background: #f0fff8;
  border-color: #a7f3d0;
}

.legal-info-card--2 i {
  color: #10b981;
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.legal-info-card--3 {
  background: #f0f4ff;
  border-color: #c7d2fe;
}

.legal-info-card--3 i {
  color: var(--color-accent);
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.legal-info-card strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.legal-info-card p {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: var(--leading-snug);
  margin: 0;
}

/* --- Contact Section --- */
.contact-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: start;
}

.contact-map iframe {
  border-radius: var(--radius-lg);
  display: block;
  width: 100%;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.contact-info-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  transition: background 0.25s ease;
}

.contact-info-card:hover {
  background: rgba(255,255,255,0.08);
}

.contact-info-card i {
  color: var(--color-accent);
  font-size: 1rem;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.contact-info-card strong {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.contact-info-card span,
.contact-info-card a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  transition: color 0.25s ease;
}

.contact-info-card a:hover {
  color: #ffffff;
}

/* Contact Form */
.contact-form-area {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-xl);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
}

.form-group label span {
  color: var(--color-accent);
}

.form-input {
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 0.95rem;
  color: var(--color-text);
  font-family: var(--font-body);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  min-height: 44px;
  width: 100%;
}

.form-input::placeholder {
  color: var(--color-text-muted);
  opacity: 0.6;
}

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

.form-textarea {
  resize: vertical;
  min-height: 130px;
}

.form-group--checkbox {
  margin-bottom: var(--space-6);
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

.checkbox-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkbox-custom {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-xs);
  flex-shrink: 0;
  margin-top: 2px;
  transition: all 0.25s ease;
  position: relative;
  background: var(--color-bg);
}

.checkbox-input:checked + .checkbox-custom {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.checkbox-input:checked + .checkbox-custom::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 1px;
  width: 6px;
  height: 10px;
  border: 2px solid #ffffff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

.form-note {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: var(--space-3);
  text-align: center;
}

/* --- Footer --- */
.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.7);
  padding: var(--space-20) 0 var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  color: #ffffff;
  margin-bottom: var(--space-4);
  transition: opacity 0.25s ease;
}

.footer-logo:hover {
  opacity: 0.8;
  color: #ffffff;
}

.footer-logo img {
  height: 32px;
  width: auto;
  filter: brightness(0) invert(1);
}

.footer-tagline {
  font-size: 0.88rem;
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-5);
  color: rgba(255,255,255,0.5);
}

.footer-address {
  font-style: normal;
  font-size: 0.85rem;
  line-height: var(--leading-relaxed);
  color: rgba(255,255,255,0.5);
}

.footer-address a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color 0.25s ease;
}

.footer-address a:hover {
  color: #ffffff;
}

.footer-nav-group h4 {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
  margin-bottom: var(--space-5);
}

.footer-nav-group ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-nav-group a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color 0.25s ease;
}

.footer-nav-group a:hover {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* --- Inner Page Styles --- */
.page-wrapper {
  padding-top: var(--nav-height);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-hero {
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
  padding: var(--space-16) 0 var(--space-12);
  border-bottom: 1px solid var(--color-border);
}

.page-breadcrumb {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.page-breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.25s ease;
}

.page-breadcrumb a:hover {
  color: var(--color-accent);
}

.page-breadcrumb .sep {
  color: var(--color-border);
}

.page-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
}

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

/* Legal Two-Column Layout */
.legal-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--space-12);
  align-items: start;
  padding: var(--space-16) 0;
}

.legal-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + 24px);
}

.legal-sidebar-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.legal-sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.legal-sidebar-nav a {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  border-left: 2px solid transparent;
  line-height: var(--leading-snug);
}

.legal-sidebar-nav a:hover {
  color: var(--color-accent);
  background: var(--color-accent-light);
  border-left-color: var(--color-accent);
}

.legal-sidebar-nav a.active {
  color: var(--color-accent);
  background: var(--color-accent-light);
  border-left-color: var(--color-accent);
  font-weight: 600;
}

.legal-content {
  max-width: 760px;
}

.legal-section {
  margin-bottom: var(--space-12);
  scroll-margin-top: calc(var(--nav-height) + 24px);
}

.legal-section-heading {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-border);
}

.legal-section-heading span {
  color: var(--color-accent);
  margin-right: var(--space-2);
}

.legal-section p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.legal-section ul,
.legal-section ol {
  padding-left: var(--space-5);
  margin-bottom: var(--space-4);
}

.legal-section li {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-2);
}

.legal-section a {
  color: var(--color-accent);
}

.legal-section strong {
  color: var(--color-text);
  font-weight: 600;
}

/* --- Thanks Page --- */
.thanks-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--nav-height) - 200px);
  text-align: center;
  padding: var(--space-20) var(--space-6);
}

.thanks-dot {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  margin: 0 auto var(--space-8);
  animation: dotPulse 0.8s ease-out forwards;
  transform: scale(0);
  box-shadow: var(--shadow-accent);
}

@keyframes dotPulse {
  0% { transform: scale(0); opacity: 0; }
  60% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

.thanks-heading {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.03em;
  opacity: 0;
  animation: fadeInUp 0.6s ease-out 0.8s forwards;
  margin-bottom: var(--space-5);
}

.thanks-sub {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 480px;
  line-height: var(--leading-relaxed);
  opacity: 0;
  animation: fadeInUp 0.6s ease-out 1.1s forwards;
  margin-bottom: var(--space-8);
}

.thanks-link {
  opacity: 0;
  animation: fadeInUp 0.5s ease-out 1.5s forwards;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Impressum Page --- */
.impressum-layout {
  padding: var(--space-16) 0;
}

.impressum-section {
  margin-bottom: var(--space-10);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid var(--color-border);
}

.impressum-section:last-child {
  border-bottom: none;
}

.impressum-section h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.impressum-section h2 i {
  color: var(--color-accent);
  font-size: 1rem;
}

.impressum-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.impressum-table th {
  text-align: left;
  padding: 10px 14px;
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid var(--color-border);
  width: 35%;
}

.impressum-table td {
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  vertical-align: top;
  line-height: var(--leading-relaxed);
}

.impressum-table tr:nth-child(even) td {
  background: var(--color-surface-raised);
}

.impressum-section p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

/* --- Responsive Design --- */
@media (max-width: 1100px) {
  .card-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 900px) {
  #hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: calc(var(--nav-height) + var(--space-12));
    padding-bottom: var(--space-16);
    text-align: center;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-chips {
    justify-content: center;
  }
  .hero-sub {
    margin: 0 auto var(--space-8);
  }
  .hero-visual {
    display: none;
  }
  .legal-split {
    grid-template-columns: 1fr;
  }
  .legal-visual {
    position: static;
  }
  .contact-split {
    grid-template-columns: 1fr;
  }
  .calc-wrapper {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .usecase-grid {
    grid-template-columns: 1fr;
  }
  .legal-layout {
    grid-template-columns: 1fr;
  }
  .legal-sidebar {
    position: static;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    margin-bottom: var(--space-8);
  }
  .legal-sidebar-nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-2);
  }
  .legal-sidebar-nav a {
    border-left: none;
    border-bottom: 2px solid transparent;
    padding: 5px 10px;
    font-size: 0.8rem;
  }
  .legal-sidebar-nav a:hover,
  .legal-sidebar-nav a.active {
    border-left-color: transparent;
    border-bottom-color: var(--color-accent);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
  .process-steps::before {
    display: none;
  }
  .process-step {
    flex-direction: column;
    gap: var(--space-4);
  }
}

@media (max-width: 768px) {
  .nav-links,
  .nav-cta {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .section {
    padding: var(--space-16) 0;
  }
  .card-grid--4,
  .card-grid--3,
  .card-grid--2 {
    grid-template-columns: 1fr;
  }
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .legal-refs {
    grid-template-columns: 1fr;
  }
  .contact-form-area {
    padding: var(--space-6);
  }
  .calc-form-area {
    padding: var(--space-6);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-4);
  }
  .team-grid {
    grid-template-columns: 1fr;
  }
  .hero-heading {
    font-size: 2rem;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn {
    justify-content: center;
  }
  .impressum-table th {
    width: 40%;
    font-size: 0.75rem;
  }
}

/* --- Utility Classes --- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.text-accent { color: var(--color-accent); }
.text-muted { color: var(--color-text-muted); }
.text-center { text-align: center; }

/* --- AOS Custom Overrides --- */
[data-aos] {
  will-change: transform, opacity;
}

/* --- intl-tel-input dark theme fix for contact --- */
.iti__flag-container {
  z-index: 10;
}