/* ==========================================================================
   MUHAMMET FATİH ÇETİNTAŞ - BOUTIQUE TECHNOLOGY & AI CONSULTANCY
   Design Identity: ENTERPRISE AI & CALM COMPUTING
   Color Palette: Deep Graphite, Electric Cyan (#00C8FF) & Soft Violet (#7C6CFF)
   Typography: Inter (Corporate Solid) + Space Grotesk (Editorial Headers)
   ========================================================================== */

:root {
  /* Core Palette */
  --bg-deep: #05070d;
  --bg-surface: #090d17;
  --bg-surface-elevated: #0f1626;
  --bg-card: rgba(11, 16, 28, 0.82);
  --bg-card-hover: rgba(16, 23, 40, 0.92);

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.16);
  --border-cyan: rgba(0, 200, 255, 0.35);
  --border-violet: rgba(124, 108, 255, 0.35);
  --border-crimson: rgba(255, 51, 102, 0.35);

  /* Accents */
  --accent-cyan: #00c8ff;
  --accent-violet: #7c6cff;
  --accent-crimson: #ff3366;
  --accent-blue: #00c8ff; /* Alias */
  --accent-purple: #7c6cff; /* Alias */
  --accent-cyan-dim: rgba(0, 200, 255, 0.12);
  --accent-violet-dim: rgba(124, 108, 255, 0.12);
  --accent-crimson-dim: rgba(255, 51, 102, 0.14);

  /* Alert / Warning */
  --accent-danger: #ff3366;
  --accent-danger-dim: rgba(255, 51, 102, 0.12);

  /* Typography Colors */
  --text-bright: #ffffff;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;

  /* Gradients */
  --grad-primary: linear-gradient(
    135deg,
    #00c8ff 0%,
    #7c6cff 50%,
    #ff3366 100%
  );
  --grad-cyan-soft: linear-gradient(
    135deg,
    rgba(0, 200, 255, 0.12) 0%,
    rgba(124, 108, 255, 0.08) 100%
  );
  --grad-crimson-soft: linear-gradient(
    135deg,
    rgba(255, 51, 102, 0.12) 0%,
    rgba(124, 108, 255, 0.08) 100%
  );
  --grad-surface: linear-gradient(
    180deg,
    rgba(16, 23, 40, 0.88) 0%,
    rgba(9, 13, 23, 0.98) 100%
  );
  --grad-text: linear-gradient(135deg, #ffffff 40%, #cbd5e1 100%);

  /* Fonts */
  --font-display: "Space Grotesk", -apple-system, sans-serif;
  --font-body: "Manrope", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  /* Layout */
  --max-width: 1220px;
  --max-width-wide: 1320px;
  --nav-height: 80px;
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-full: 9999px;

  /* Motion */
  --ease-cinematic: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.18s var(--ease-cinematic);
  --transition-normal: 0.3s var(--ease-cinematic);
  --transition-slow: 0.55s var(--ease-cinematic);
}

/* Base Reset & Text Stability */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 24px);
  color-scheme: dark;
  background-color: var(--bg-deep);
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.68;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  position: relative;
  text-rendering: optimizeLegibility;
  word-break: normal;
  overflow-wrap: break-word;
}

/* Background Canvas Layer */
#neural-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  opacity: 0.85;
}

/* Ambient Cyan & Violet Fog */
.ambient-fog {
  position: fixed;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(140px);
  opacity: 0.12;
}

.fog-cyan {
  top: -180px;
  left: 10%;
  background: radial-gradient(circle, var(--accent-cyan), transparent 70%);
}

.fog-violet {
  bottom: 10%;
  right: -150px;
  background: radial-gradient(circle, var(--accent-violet), transparent 70%);
}

.fog-crimson {
  top: 42%;
  left: -180px;
  background: radial-gradient(
    circle,
    rgba(255, 51, 102, 0.14),
    transparent 70%
  );
}

/* Containers */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 28px;
  padding-right: 28px;
  position: relative;
  z-index: 1;
}

.section {
  padding: 100px 0;
  position: relative;
  z-index: 1;
}

.section-header {
  margin-bottom: 56px;
  max-width: 820px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  backdrop-filter: blur(8px);
}

.section-tag svg {
  color: var(--accent-cyan);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.8vw, 2.9rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.025em;
  color: #ffffff;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: clamp(1.02rem, 1.4vw, 1.15rem);
  color: var(--text-muted);
  line-height: 1.68;
}

/* ==========================================================================
   NAVIGATION HEADER
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 100;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    backdrop-filter var(--transition-fast);
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(5, 7, 13, 0.9);
  backdrop-filter: blur(18px);
}

.site-header.scrolled {
  background: rgba(5, 7, 13, 0.96);
  backdrop-filter: blur(20px);
  border-bottom-color: var(--border-subtle);
}

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

.logo-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: #ffffff;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: rgba(8, 12, 22, 0.9);
  border: 1px solid rgba(0, 200, 255, 0.35);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 16px rgba(0, 200, 255, 0.18);
  transition:
    transform var(--duration-fast),
    border-color var(--duration-fast),
    box-shadow var(--duration-fast);
  overflow: hidden;
  flex-shrink: 0;
}

.logo-icon:hover {
  transform: scale(1.05);
  border-color: rgba(0, 200, 255, 0.65);
  box-shadow: 0 0 24px rgba(0, 200, 255, 0.4);
}

.logo-emblem-img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.logo-text-group {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.logo-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-subtle);
  letter-spacing: 0.04em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover,
.nav-link.active {
  color: #ffffff;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--accent-cyan);
  transition: width var(--transition-fast);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.btn:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 3px;
}

.btn-primary,
.btn-gradient {
  background: var(--grad-primary);
  color: #ffffff;
  font-weight: 700;
  box-shadow:
    0 4px 22px rgba(0, 200, 255, 0.25),
    0 2px 10px rgba(255, 51, 102, 0.18);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}

.btn-primary:hover,
.btn-gradient:hover {
  transform: translateY(-2px);
  box-shadow:
    0 6px 30px rgba(0, 200, 255, 0.35),
    0 4px 16px rgba(255, 51, 102, 0.28);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-medium);
  color: #ffffff;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

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

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

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text-bright);
  transition:
    color var(--transition-fast),
    transform var(--transition-fast);
}

.mobile-toggle:hover,
.mobile-toggle.active {
  color: var(--accent-cyan);
}

.mobile-toggle svg line {
  transition:
    transform 0.25s ease,
    opacity 0.2s ease;
  transform-origin: center;
}

.mobile-toggle.active svg line:nth-child(1) {
  opacity: 0;
}

.mobile-toggle.active svg line:nth-child(2) {
  transform: translateY(6px) rotate(45deg);
}

.mobile-toggle.active svg line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ==========================================================================
   1. HERO SECTION (SPECIALIST CONSULTANCY)
   ========================================================================== */
.hero-section {
  padding-top: calc(var(--nav-height) + 50px);
  padding-bottom: 95px;
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 52px;
  align-items: center;
}

.hero-title-main {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.6vw, 3.8rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
  color: #ffffff;
}

.hero-title-h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.4vw, 2.1rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-descriptor {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  letter-spacing: 0.05em;
  color: var(--accent-cyan);
  margin-bottom: 18px;
  text-transform: uppercase;
}

.hero-value-statement {
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  color: var(--text-muted);
  line-height: 1.68;
  margin-bottom: 34px;
  max-width: 600px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero-trust-indicators {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-trust-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-xs);
  font-size: 0.82rem;
  font-family: var(--font-mono);
  color: #ffffff;
  transition: all var(--transition-fast);
}

.hero-trust-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.28);
}

.hero-trust-item svg {
  color: var(--accent-cyan);
}

.status-dot-blue,
.status-dot-cyan {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
  animation: pulse-cyan 2s infinite ease-in-out;
  display: inline-block;
}

.status-dot-violet {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-violet);
  box-shadow: 0 0 8px var(--accent-violet);
  animation: pulse-violet 2s infinite ease-in-out;
  display: inline-block;
}

/* Business Transformation Visual Card (Hero Right) */
.hero-transform-card {
  background: var(--grad-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.65),
    0 0 35px rgba(0, 200, 255, 0.08);
  backdrop-filter: blur(24px);
  position: relative;
  transition: border-color var(--transition-normal);
}

.hero-transform-card:hover {
  border-color: var(--border-cyan);
}

.transform-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 22px;
}

.transform-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-cyan);
  font-weight: 600;
}

.transform-flow-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.flow-step-node {
  background: rgba(6, 8, 14, 0.75);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition:
    border-color var(--transition-fast),
    transform var(--transition-fast);
}

.flow-step-node:hover {
  border-color: var(--accent-cyan);
  transform: translateX(4px);
}

.flow-node-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  flex: 1 1 auto;
}

.flow-node-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 200, 255, 0.1);
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.flow-node-icon.violet {
  background: rgba(124, 108, 255, 0.1);
  color: var(--accent-violet);
}

.flow-node-icon.crimson {
  background: rgba(255, 51, 102, 0.12);
  color: var(--accent-crimson);
  border: 1px solid rgba(255, 51, 102, 0.28);
}

.flow-step-problem {
  border-color: rgba(255, 51, 102, 0.25);
}

.flow-step-problem:hover {
  border-color: var(--accent-crimson);
}

.flow-node-title {
  font-family: var(--font-display);
  font-size: 0.94rem;
  font-weight: 600;
  color: #ffffff;
}

.flow-node-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  word-break: break-word;
}

.flow-node-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 3px 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  color: var(--text-muted);
}

.flow-connector-line {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  padding: 2px 0;
}

/* ==========================================================================
   2. WHAT I SOLVE (BUSINESS PROBLEMS → DIGITAL OUTCOMES)
   ========================================================================== */
.prob-sol-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.prob-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 38px 32px;
  backdrop-filter: blur(18px);
}

.prob-card.problems-side {
  border: 1px solid rgba(255, 51, 102, 0.22);
  background: linear-gradient(
    180deg,
    rgba(255, 51, 102, 0.04) 0%,
    rgba(9, 13, 23, 0.96) 100%
  );
  box-shadow:
    0 14px 40px rgba(0, 0, 0, 0.5),
    0 0 30px rgba(255, 51, 102, 0.04);
}

.prob-card.solutions-side {
  border: 1px solid var(--border-cyan);
  background: linear-gradient(
    180deg,
    rgba(0, 200, 255, 0.06) 0%,
    rgba(9, 13, 23, 0.96) 100%
  );
  box-shadow: 0 14px 40px rgba(0, 200, 255, 0.07);
}

.prob-header-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.problems-side .prob-header-badge {
  color: #ff5a7e;
  background: rgba(255, 51, 102, 0.1);
  border: 1px solid rgba(255, 51, 102, 0.25);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  display: inline-flex;
}

.solutions-side .prob-header-badge {
  color: #00e5ff;
  background: rgba(0, 200, 255, 0.1);
  border: 1px solid rgba(0, 200, 255, 0.25);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  display: inline-flex;
}

.prob-title {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 22px;
}

.prob-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.prob-item {
  display: flex;
  gap: 14px;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.prob-item strong {
  color: #ffffff;
}
.prob-bullet {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  margin-top: 2px;
}
.problems-side .prob-bullet {
  color: #ff5a7e;
  background: rgba(255, 51, 102, 0.12);
  border: 1px solid rgba(255, 51, 102, 0.3);
}
.solutions-side .prob-bullet {
  color: #00e5ff;
  background: rgba(0, 200, 255, 0.12);
  border: 1px solid rgba(0, 200, 255, 0.3);
}

/* ==========================================================================
   3. CORE EXPERTISE: 3 PRIMARY PILLARS + SECONDARY SERVICES
   ========================================================================== */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 48px;
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition:
    border-color var(--transition-normal),
    transform var(--transition-normal);
  backdrop-filter: blur(20px);
}

.pillar-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-4px);
}

.pillar-icon-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.pillar-icon-box {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  background: rgba(0, 200, 255, 0.08);
  border: 1px solid var(--border-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
}

.pillar-icon-box.violet {
  background: rgba(124, 108, 255, 0.08);
  border-color: var(--border-violet);
  color: var(--accent-violet);
}

.pillar-icon-box.crimson {
  background: rgba(255, 51, 102, 0.08);
  border-color: rgba(255, 51, 102, 0.35);
  color: var(--accent-crimson);
}

.pillar-message.crimson {
  color: #ff5a7e;
}

.pillar-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-subtle);
}

.pillar-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
}

.pillar-message {
  font-size: 0.92rem;
  color: var(--accent-cyan);
  font-weight: 500;
  margin-bottom: 14px;
  line-height: 1.5;
}

.pillar-message.violet {
  color: var(--accent-violet);
}

.pillar-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.62;
  margin-bottom: 24px;
}

.pillar-tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
}

.pillar-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  color: var(--text-muted);
}

/* Secondary Services (Demoted Additional Services) */
.secondary-services-box {
  background: rgba(255, 255, 255, 0.015);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px 32px;
}

.secondary-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.secondary-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-bright);
}

.secondary-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-subtle);
}

.secondary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.secondary-card {
  padding: 16px 20px;
  background: rgba(6, 8, 14, 0.65);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
}

.secondary-card h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: #ffffff;
  margin-bottom: 6px;
}

.secondary-card p {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 10px;
}

.secondary-scope-text {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-cyan);
}

/* ==========================================================================
   4. COMPUTER VISION 5-STAGE STORYTELLER
   ========================================================================== */
.vision-story-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 34px;
  backdrop-filter: blur(20px);
}

.vision-stepper-nav {
  display: flex;
  gap: 10px;
  margin-bottom: 26px;
  overflow-x: auto;
  scrollbar-width: none;
}

.vision-step-btn {
  flex: 1;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-align: center;
}

.vision-step-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #ffffff;
}

.vision-step-btn.active {
  background: rgba(0, 200, 255, 0.08);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  font-weight: 600;
}

.vision-display-screen {
  background: #060913;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 32px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  align-items: center;
  min-height: 280px;
}

.vision-interactive-viewport {
  height: 220px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px dashed var(--border-cyan);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.vision-stage-info h4 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 10px;
}

.vision-stage-info p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.62;
}

/* ==========================================================================
   5. PRIVACY-CONSCIOUS ARCHITECTURE
   ========================================================================== */
.privacy-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.privacy-content h3 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 18px;
  line-height: 1.24;
}

.privacy-content p {
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 28px;
}

.privacy-pillars {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.privacy-pillar-item {
  display: flex;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
}

.pillar-icon {
  color: var(--accent-cyan);
  flex-shrink: 0;
  margin-top: 2px;
}

.pillar-text h4 {
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 4px;
}

.pillar-text p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0;
  line-height: 1.55;
}

.privacy-diagram-card {
  background: var(--grad-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 30px;
}

.diagram-boundary {
  border: 1px dashed var(--accent-cyan);
  border-radius: var(--radius-md);
  padding: 24px;
  background: rgba(0, 200, 255, 0.03);
  margin-bottom: 20px;
}

.boundary-label {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-subtle);
  margin-bottom: 16px;
}

.boundary-node {
  background: #080c17;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.node-title-group {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: #ffffff;
  font-weight: 500;
}

.node-pill {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 2px 8px;
  background: rgba(0, 200, 255, 0.1);
  border: 1px solid var(--border-cyan);
  color: var(--accent-cyan);
  border-radius: 4px;
}

.external-cloud-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   6. HOW I WORK (4 PRINCIPLES & 4-STEP PROCESS)
   ========================================================================== */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 56px;
}

.principle-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition:
    border-color var(--transition-fast),
    transform var(--transition-fast);
}

.principle-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-3px);
}

.principle-num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--accent-cyan);
  margin-bottom: 12px;
}

.principle-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.principle-desc {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.62;
}

/* 4 Steps - Connected Progress Rail */
.process-rail {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  position: relative;
  margin-top: 16px;
}

.process-rail::before {
  content: "";
  position: absolute;
  top: 24px;
  left: 36px;
  right: 36px;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--accent-cyan) 0%,
    var(--accent-violet) 100%
  );
  opacity: 0.3;
  z-index: 0;
}

.process-rail-step {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
}

.rail-step-badge {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-deep);
  border: 2px solid var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 20px;
  box-shadow: 0 0 16px rgba(0, 200, 255, 0.2);
  transition: all var(--transition-fast);
}

.process-rail-step:nth-child(2) .rail-step-badge {
  border-color: #4fb0ff;
  box-shadow: 0 0 16px rgba(79, 176, 255, 0.2);
}

.process-rail-step:nth-child(3) .rail-step-badge {
  border-color: #6a86ff;
  box-shadow: 0 0 16px rgba(106, 134, 255, 0.2);
}

.process-rail-step:nth-child(4) .rail-step-badge {
  border-color: var(--accent-violet);
  box-shadow: 0 0 16px rgba(124, 108, 255, 0.25);
}

.process-rail-step:hover .rail-step-badge {
  transform: scale(1.1);
  box-shadow: 0 0 24px rgba(0, 200, 255, 0.45);
}

.rail-step-content {
  display: flex;
  flex-direction: column;
}

.rail-step-title {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.rail-step-desc {
  font-size: 0.87rem;
  color: var(--text-muted);
  line-height: 1.62;
}

/* ==========================================================================
   7. PROJECT SCOPE & BUDGET (INDICATIVE RANGES)
   ========================================================================== */
.budget-editorial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(20px);
}

.budget-intro-copy {
  font-size: 1.05rem;
  color: var(--text-main);
  line-height: 1.7;
  margin-bottom: 34px;
  max-width: 820px;
}

.budget-ranges-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 34px;
}

.budget-range-card {
  background: rgba(6, 8, 14, 0.75);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition:
    border-color var(--transition-fast),
    transform var(--transition-fast);
}

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

.budget-range-header {
  margin-bottom: 16px;
}

.range-service-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 6px;
}

.range-timeframe {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.range-price-group {
  border-top: 1px solid var(--border-subtle);
  padding-top: 14px;
}

.range-price {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: #ffffff;
}

.range-note {
  font-size: 0.74rem;
  color: var(--text-subtle);
  margin-top: 4px;
}

.budget-notice-box {
  margin-top: 24px;
  padding: 24px 28px;
  background: rgba(0, 200, 255, 0.03);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.budget-notice-text {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.62;
  max-width: 760px;
}

/* ==========================================================================
   8. ABOUT SECTION (MUHAMMET FATİH ÇETİNTAŞ)
   ========================================================================== */
.about-editorial-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 52px;
  align-items: center;
}

/* ============================================================
   EXECUTIVE SPECIALIST IDENTITY CARD (MUHAMMET FATİH ÇETİNTAŞ)
   ============================================================ */

.specialist-identity-card {
  position: relative;
  background: linear-gradient(175deg, #0d1322 0%, #070a12 100%);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.7),
    0 0 30px rgba(0, 200, 255, 0.04);
  display: flex;
  flex-direction: column;
  transition:
    transform var(--duration-normal),
    border-color var(--duration-normal),
    box-shadow var(--duration-normal);
}

.specialist-identity-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--grad-primary);
  z-index: 3;
}

.specialist-identity-card:hover {
  border-color: rgba(0, 200, 255, 0.35);
  box-shadow:
    0 28px 70px rgba(0, 0, 0, 0.8),
    0 0 45px rgba(0, 200, 255, 0.08);
}

.spec-banner-stage {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: #060913;
}

.spec-banner-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.specialist-identity-card:hover .spec-banner-img {
  transform: scale(1.04);
}

.spec-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(5, 7, 13, 0.1) 0%,
    rgba(5, 7, 13, 0.88) 100%
  );
  pointer-events: none;
}

.spec-status-pill {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(5, 7, 13, 0.82);
  border: 1px solid var(--border-cyan);
  border-radius: 999px;
  padding: 5px 12px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--accent-cyan);
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.status-pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #00e5ff;
  box-shadow: 0 0 8px #00e5ff;
  animation: specPulse 2s infinite ease-in-out;
}

@keyframes specPulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.35;
    transform: scale(0.85);
  }
}

.spec-card-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.spec-identity-header {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle);
}

.spec-title-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
}

.spec-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
  margin: 0;
  letter-spacing: -0.01em;
}

.spec-protocol-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-subtle);
  letter-spacing: 0.05em;
}

.spec-role-subtitle {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.spec-role-accent {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--accent-cyan);
}

.spec-role-sub {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.spec-capabilities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.spec-cap-pill {
  background: rgba(13, 19, 34, 0.55);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 9px 11px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition:
    border-color var(--duration-fast),
    background var(--duration-fast);
}

.spec-cap-pill:hover {
  border-color: rgba(0, 200, 255, 0.3);
  background: rgba(13, 19, 34, 0.85);
}

.spec-cap-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 6px;
}

.spec-cap-label::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-cyan);
}

.spec-cap-desc {
  font-size: 0.68rem;
  color: var(--text-subtle);
  line-height: 1.3;
}

.spec-guarantees-bar {
  background: rgba(5, 7, 13, 0.5);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 11px 13px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.spec-guarantee-point {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  font-size: 0.73rem;
  color: var(--text-muted);
  line-height: 1.35;
}

.spec-check-mark {
  color: var(--accent-cyan);
  font-weight: 700;
  font-size: 0.78rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.spec-actions-group {
  display: flex;
  gap: 10px;
  align-items: center;
}

.spec-btn-primary {
  flex: 1;
  padding: 10px 16px;
  font-size: 0.8rem;
  text-align: center;
  justify-content: center;
}

.spec-btn-social {
  padding: 10px 14px;
  font-size: 0.78rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.about-bio-text {
  font-size: 1.08rem;
  color: var(--text-main);
  line-height: 1.75;
  margin-bottom: 24px;
}

.about-details-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.about-detail-item {
  display: flex;
  gap: 14px;
}

.about-detail-item strong {
  color: #ffffff;
  font-size: 0.94rem;
}

.about-detail-item p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Technical Background Block (Factual Capability-Based Credibility) */
.about-tech-background {
  margin-top: 32px;
  margin-bottom: 28px;
  padding: 22px 24px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
}

.tech-bg-title {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tech-bg-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-bg-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.tech-bg-tag:hover {
  border-color: var(--border-cyan);
  background: rgba(0, 200, 255, 0.06);
  color: #ffffff;
}

.tech-bg-tag::before {
  content: "●";
  color: var(--accent-cyan);
  font-size: 0.6rem;
}

/* ==========================================================================
   9. CONTACT SECTION & WORKING MODEL
   ========================================================================== */
.contact-layout-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 48px;
}

.contact-meta-col {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.working-model-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin-bottom: 24px;
}

.working-model-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 10px;
}

.working-model-text {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.62;
  margin-bottom: 12px;
}

.working-model-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--accent-cyan);
}

.direct-channels-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px 28px;
}

.channel-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-subtle);
  text-decoration: none;
  color: var(--text-main);
  transition: color var(--transition-fast);
}

.channel-row:last-child {
  border-bottom: none;
}

.channel-row:hover {
  color: var(--accent-cyan);
}

.channel-icon {
  color: var(--accent-cyan);
}

/* Real Contact Form Card */
.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 38px 34px;
  backdrop-filter: blur(20px);
}

.form-group {
  margin-bottom: 20px;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: #ffffff;
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  background: rgba(6, 8, 14, 0.75);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 16px rgba(0, 200, 255, 0.15);
}

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

.form-helper-note {
  font-size: 0.75rem;
  color: var(--text-subtle);
  margin-top: 6px;
  line-height: 1.45;
}

.form-privacy-consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 22px;
}

.form-privacy-consent input {
  margin-top: 3px;
  accent-color: var(--accent-cyan);
}

.form-privacy-consent a {
  color: var(--accent-cyan);
  text-decoration: underline;
  cursor: pointer;
}

/* Form Status Messages */
.form-submit-feedback {
  margin-top: 20px;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  animation: fade-in-up 0.3s ease;
}

.form-submit-feedback.success {
  background: rgba(0, 200, 255, 0.08);
  border: 1px solid var(--accent-cyan);
  color: #ffffff;
}

.form-submit-feedback.error {
  background: rgba(255, 51, 102, 0.08);
  border: 1px solid var(--accent-danger);
  color: #ffffff;
}

.form-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(0, 0, 0, 0.2);
  border-top-color: #05070d;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}

/* ==========================================================================
   10. FOOTER & KVKK MODAL
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 48px 0 32px 0;
  background: #05070d;
  position: relative;
  z-index: 1;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--text-subtle);
}

.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-link {
  color: var(--text-subtle);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color var(--transition-fast);
  cursor: pointer;
}

.footer-link:hover {
  color: #ffffff;
}

/* KVKK Modal Backdrop */
.modal-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(5, 7, 13, 0.85);
  backdrop-filter: blur(12px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.open {
  display: flex;
  animation: fade-in-up 0.25s ease;
}

.modal-dialog {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  max-width: 640px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  padding: 32px;
  position: relative;
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
}

.modal-close-btn:hover {
  color: #ffffff;
}

/* ==========================================================================
   SEMANTIC UTILITY & COMPONENT CLASSES (NO INLINE STYLES)
   ========================================================================== */
.btn-nav {
  padding: 6px 16px;
  font-size: 0.88rem;
}

.btn-sm {
  padding: 7px 14px;
  font-size: 0.82rem;
}

.btn-xs {
  padding: 5px 12px;
  font-size: 0.78rem;
}

.btn-full {
  width: 100%;
}

.btn-submit {
  width: 100%;
  padding: 14px 24px;
  font-size: 0.95rem;
}

.flow-header-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-subtle);
}

.flow-step-engine {
  border-color: var(--border-cyan);
  background: rgba(0, 200, 255, 0.04);
}

.flow-tag-cyan {
  color: var(--accent-cyan);
  border-color: var(--border-cyan);
}

.flow-tag-white {
  color: #ffffff;
}

.demo-telemetry-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: #ffffff;
  margin-bottom: 8px;
}

.demo-telemetry-desc {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 20px;
}

.telemetry-label {
  color: var(--text-subtle);
}

.telemetry-val-cyan {
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-weight: 600;
}

.telemetry-val-white {
  color: #ffffff;
  font-family: var(--font-mono);
  font-weight: 600;
}

.demo-scan-btn {
  width: 100%;
  margin-top: 18px;
}

.demo-doc-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: #ffffff;
}

.demo-doc-meta {
  font-size: 0.74rem;
  font-family: var(--font-mono);
  color: var(--text-subtle);
}

.demo-doc-prompt-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.demo-rag-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-cyan);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.demo-rag-text {
  color: #f1f5f9;
  line-height: 1.65;
  margin-bottom: 12px;
}

.demo-rag-footnote {
  font-size: 0.75rem;
  color: var(--text-subtle);
  margin-top: 18px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 12px;
}

.demo-sys-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 18px;
}

.demo-sys-modes {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.demo-sys-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.demo-data-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-subtle);
  margin-bottom: 8px;
}

.demo-data-code {
  color: var(--text-muted);
  font-size: 0.78rem;
  font-family: var(--font-mono);
  white-space: pre-wrap;
  line-height: 1.6;
}

.demo-data-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.demo-data-header-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-cyan);
}

.demo-data-empty {
  color: var(--text-subtle);
  font-size: 0.82rem;
  padding: 40px 0;
  text-align: center;
}

.demo-data-success {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--accent-cyan);
}

.vision-placeholder-box {
  text-align: center;
  color: var(--text-subtle);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.vision-placeholder-icon {
  margin-bottom: 8px;
}

.vision-hint-text {
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--accent-cyan);
}

.boundary-badge-cyan {
  color: var(--accent-cyan);
}

.cloud-box-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-subtle);
}

.cloud-box-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-violet);
}

.working-model-note {
  font-size: 0.78rem;
  color: var(--text-subtle);
  margin-top: 8px;
}

.channel-header-title {
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 12px;
}

.channel-meta-title {
  font-size: 0.9rem;
  font-weight: 500;
}

.channel-meta-sub {
  font-size: 0.72rem;
  color: var(--text-subtle);
}

.about-arrow {
  color: var(--accent-cyan);
  font-weight: 700;
}

.footer-brand-title {
  margin-top: 6px;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: #ffffff;
  margin-bottom: 16px;
}

.modal-text-content {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.65;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.modal-action-row {
  margin-top: 24px;
  text-align: right;
}

.btn-modal-close {
  font-size: 0.85rem;
  padding: 8px 18px;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS (Mobile Menu at <= 1024px)
   ========================================================================== */
@media (max-width: 1024px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background: rgba(6, 8, 14, 0.98);
    backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.75);
  }

  .nav-menu.active {
    display: flex;
  }

  .mobile-toggle {
    display: block;
  }

  .hero-grid,
  .prob-sol-grid,
  .privacy-grid,
  .about-editorial-grid,
  .contact-layout-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

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

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

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

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

  /* Process Rail in Tablet: vertical flow */
  .process-rail {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-left: 28px;
  }

  .process-rail::before {
    top: 24px;
    bottom: 24px;
    left: 23px;
    right: auto;
    width: 2px;
    height: auto;
    background: linear-gradient(
      180deg,
      var(--accent-cyan) 0%,
      var(--accent-violet) 100%
    );
  }

  .process-rail-step {
    flex-direction: row;
    align-items: flex-start;
    gap: 20px;
  }

  .rail-step-badge {
    margin-bottom: 0;
    flex-shrink: 0;
  }

  .nav-mobile-cta {
    display: block;
  }
}

.nav-mobile-cta {
  display: none;
  width: 100%;
  margin-top: 10px;
}

@media (max-width: 768px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }

  .section {
    padding: 72px 0;
  }

  .form-row-2 {
    grid-template-columns: 1fr;
  }

  .vision-display-screen {
    grid-template-columns: 1fr;
  }

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

  .budget-ranges-grid {
    grid-template-columns: 1fr;
  }

  .budget-notice-box {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-transform-card {
    padding: 22px 18px;
  }

  .flow-step-node {
    padding: 12px 14px;
  }

  .budget-editorial-card {
    padding: 24px 18px;
  }
}

@media (max-width: 640px) {
  .logo-brand {
    gap: 10px;
    max-width: calc(100% - 52px);
  }

  .logo-tag {
    display: none;
  }

  .nav-actions {
    margin-left: auto;
    flex-shrink: 0;
  }

  .nav-actions .btn-nav {
    display: none;
  }

  .logo-text-group {
    min-width: 0;
    overflow: hidden;
  }

  .logo-title {
    font-size: 0.92rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 0.92rem;
    flex-shrink: 0;
  }

  .mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
    flex-shrink: 0;
  }

  .ambient-fog {
    width: 320px;
    height: 320px;
    filter: blur(80px);
    opacity: 0.1;
  }
}

@media (max-width: 540px) {
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }

  .hero-cta-group .btn {
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  .hero-trust-indicators {
    flex-direction: column;
    align-items: stretch;
  }

  .vision-stepper-nav {
    flex-direction: column;
  }

  .modal-dialog {
    padding: 24px 20px;
  }

  .spec-capabilities-grid {
    grid-template-columns: 1fr;
  }

  .spec-actions-group {
    flex-direction: column;
  }

  .spec-actions-group .btn {
    width: 100%;
    justify-content: center;
  }
}