/* ═══════════════════════════════════════════════════════════
   cfgzero Public Site — Dark / Light Theme
   Default: dark  •  Toggle: [data-theme="light"]
   ═══════════════════════════════════════════════════════════ */

/* ── Dark Theme (default & manual) ── */
:root,
[data-theme="dark"] {
  --bg: #060B1F;
  --bg-deep: #040818;
  --bg-card: rgba(15, 23, 60, 0.55);
  --bg-card-hover: rgba(22, 33, 80, 0.65);
  --bg-card-solid: #0F1740;
  --surface-subtle: rgba(15, 23, 60, 0.4);
  --border: rgba(0, 150, 199, 0.12);
  --border-hover: rgba(0, 150, 199, 0.28);
  --text: #E8ECF4;
  --text-muted: #B8C4D9;
  --text-dim: #9BA9D4;
  --accent: #0096C7;
  --accent-label: #0096C7;
  --accent-light: #00B4D8;
  --accent-light-label: #00B4D8;
  --accent-dim: rgba(0, 150, 199, 0.08);
  --accent-glow: rgba(0, 150, 199, 0.15);
  --accent-border: rgba(0, 150, 199, 0.2);
  --accent-2: #023E8A;

  /* ── Brand Colors ── */
  --brand-light-blue: #0096c7;
  --brand-dark-blue: #023e8a;
  --brand-light-gray: #ced4da;
  --brand-dark-gray: #6c757d;

  --gradient-main: linear-gradient(135deg, var(--brand-light-blue), var(--brand-dark-blue));
  --gradient-btn: linear-gradient(135deg, var(--brand-dark-blue) 0%, var(--brand-light-blue) 100%);
  --gradient-glow: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(0, 150, 199, 0.1), transparent 70%);
  --nav-bg: rgba(6, 11, 31, 0.82);
  --shadow-card: 0 8px 32px rgba(0, 150, 199, 0.08), 0 0 0 1px rgba(0, 150, 199, 0.05);
  --shadow-btn: 0 4px 20px rgba(0, 150, 199, 0.25);
  --shadow-btn-hover: 0 6px 32px rgba(0, 150, 199, 0.4);
  --toast-success-bg: rgba(0, 150, 199, 0.1);
  --toast-error-bg: rgba(255, 59, 48, 0.1);
  --toast-error-border: rgba(255, 59, 48, 0.3);
  --toast-error-text: #ff6b6b;
  --grid-line: rgba(0, 150, 199, 0.025);
  --scanline: rgba(0, 0, 0, 0.015);
  --grain-opacity: 0.018;
  --selection-bg: rgba(0, 150, 199, 0.3);
  --selection-text: #fff;
  --step-number: linear-gradient(135deg, rgba(0, 150, 199, 0.15), rgba(2, 62, 138, 0.08));
  --font-heading: 'DM Sans', 'Outfit', sans-serif;
  --font-body: 'DM Sans', 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --radius-pill: 100px;
}

/* ── Light Theme (system preference & manual) ── */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #F2F4FA;
    --bg-deep: #E8EBF5;
    --bg-card: rgba(255, 255, 255, 0.75);
    --bg-card-hover: rgba(255, 255, 255, 0.9);
    --bg-card-solid: #FFFFFF;
    --surface-subtle: rgba(240, 242, 248, 0.8);
    --border: rgba(0, 150, 199, 0.12);
    --border-hover: rgba(0, 150, 199, 0.25);
    --text: #1A1E36;
    --text-muted: #384260;
    --text-dim: #454F75;
    --accent: #0096C7;
    --accent-label: #023E8A;
    --accent-light: #023E8A;
    --accent-light-label: #1E3A8A;
    --accent-dim: rgba(0, 150, 199, 0.06);
    --accent-glow: rgba(0, 150, 199, 0.1);
    --accent-border: rgba(0, 150, 199, 0.16);
    --accent-2: #023E8A;

    /* ── Brand Colors (Light Mode) ── */
    --brand-light-blue: #0096c7;
    --brand-dark-blue: #023e8a;
    --brand-light-gray: #ced4da;
    --brand-dark-gray: #6c757d;

    --gradient-main: linear-gradient(135deg, var(--brand-light-blue), var(--accent-2));
    --gradient-btn: linear-gradient(135deg, var(--brand-dark-blue) 0%, var(--brand-light-blue) 50%, var(--accent-2) 100%);
    --gradient-glow: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(0, 150, 199, 0.06), transparent 70%);
    --nav-bg: rgba(242, 244, 250, 0.85);
    --shadow-card: 0 4px 24px rgba(0, 150, 199, 0.06), 0 0 0 1px rgba(0, 150, 199, 0.06);
    --shadow-btn: 0 4px 20px rgba(0, 150, 199, 0.18);
    --shadow-btn-hover: 0 6px 32px rgba(0, 150, 199, 0.28);
    --toast-success-bg: rgba(0, 150, 199, 0.08);
    --toast-error-bg: rgba(229, 62, 62, 0.06);
    --toast-error-border: rgba(229, 62, 62, 0.2);
    --toast-error-text: #C53030;
    --grid-line: rgba(0, 150, 199, 0.04);
    --scanline: rgba(0, 0, 0, 0.008);
    --grain-opacity: 0;
    --selection-bg: rgba(0, 150, 199, 0.2);
    --selection-text: #1A1E36;
    --step-number: linear-gradient(135deg, rgba(0, 150, 199, 0.12), rgba(124, 58, 237, 0.06));
  }
}

[data-theme="light"] {
  --bg: #F2F4FA;
  --bg-deep: #E8EBF5;
  --bg-card: rgba(255, 255, 255, 0.75);
  --bg-card-hover: rgba(255, 255, 255, 0.9);
  --bg-card-solid: #FFFFFF;
  --surface-subtle: #F6F8FB;
  --border: var(--brand-light-gray);
  --border-hover: var(--brand-dark-gray);
  --text: #1A1E36;
  --text-muted: var(--brand-dark-gray);
  --text-dim: #454F75;
  --accent: #0096C7;
  --accent-label: #023E8A;
  --accent-light: #00B4D8;
  --accent-light-label: #023E8A;
  --accent-dim: rgba(0, 150, 199, 0.06);
  --accent-glow: rgba(0, 150, 199, 0.1);
  --accent-border: rgba(0, 150, 199, 0.16);
  --accent-2: #023E8A;

  /* ── Brand Colors (Manual Light) ── */
  --brand-light-blue: #0096c7;
  --brand-dark-blue: #023e8a;
  --brand-light-gray: #ced4da;
  --brand-dark-gray: #6c757d;

  --gradient-main: linear-gradient(135deg, var(--brand-light-blue), var(--brand-dark-blue));
  --gradient-btn: linear-gradient(135deg, var(--brand-dark-blue) 0%, var(--brand-light-blue) 100%);
  --gradient-glow: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(0, 150, 199, 0.06), transparent 70%);
  --nav-bg: rgba(242, 244, 250, 0.85);
  --shadow-card: 0 4px 24px rgba(0, 150, 199, 0.06), 0 0 0 1px rgba(0, 150, 199, 0.06);
  --shadow-btn: 0 4px 20px rgba(0, 150, 199, 0.18);
  --shadow-btn-hover: 0 6px 32px rgba(0, 150, 199, 0.28);
  --toast-success-bg: rgba(0, 150, 199, 0.08);
  --toast-error-bg: rgba(229, 62, 62, 0.06);
  --toast-error-border: rgba(229, 62, 62, 0.2);
  --toast-error-text: #C53030;
  --grid-line: rgba(0, 150, 199, 0.04);
  --scanline: rgba(0, 0, 0, 0.008);
  --grain-opacity: 0;
  --selection-bg: rgba(0, 150, 199, 0.2);
  --selection-text: #1A1E36;
  --step-number: linear-gradient(135deg, rgba(0, 150, 199, 0.12), rgba(2, 62, 138, 0.06));
}

/* ── Logo visibility per theme ── */
.logo-light {
  display: none;
}

.logo-dark {
  display: block;
}

[data-theme="light"] .logo-dark {
  display: none;
}

[data-theme="light"] .logo-light {
  display: block;
}

/* ── Theme Toggle ── */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--accent-dim);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s, background-color 0.25s;
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--accent-border);
  background: var(--accent-glow);
}

.theme-icon {
  position: absolute;
  font-size: 1.1rem;
  line-height: 1;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

/* Default state (Dark / Moon) */
.theme-icon-dark {
  opacity: 1;
  transform: rotate(0) scale(1);
  color: var(--accent-light);
}

.theme-icon-light {
  opacity: 0;
  transform: rotate(-90deg) scale(0.5);
}

/* System preference: Light */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .theme-icon-light {
    opacity: 1;
    transform: rotate(0) scale(1);
    color: #E8A317;
  }

  :root:not([data-theme="dark"]) .theme-icon-dark {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
  }
}

/* Manual Overrides */
[data-theme="dark"] .theme-icon-dark {
  opacity: 1;
  transform: rotate(0) scale(1);
  color: var(--accent-light);
}

[data-theme="dark"] .theme-icon-light {
  opacity: 0;
  transform: rotate(-90deg) scale(0.5);
}

[data-theme="light"] .theme-icon-light {
  opacity: 1;
  transform: rotate(0) scale(1);
  color: #E8A317;
}

[data-theme="light"] .theme-icon-dark {
  opacity: 0;
  transform: rotate(90deg) scale(0.5);
}

.theme-toggle-float {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 200;
}


* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.55;
  overflow-x: hidden;
  transition: background-color 0.2s cubic-bezier(0.4, 0, 0.2, 1), color 0.2s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.2s ease, box-shadow 0.2s ease;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

input, textarea {
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  user-select: text;
}

img {
  -webkit-user-drag: none;
  user-drag: none;
}

/* Background effects */
#grain {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: var(--grain-opacity);
  mix-blend-mode: overlay;
  transition: opacity 0.35s ease;
}

@media (max-width: 768px) {
  #grain {
    display: none;
  }
}

.grid-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, black 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, black 0%, transparent 100%);
}

.grid-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 35% at 50% 0%, rgba(0, 150, 199, 0.08), transparent),
    radial-gradient(ellipse 40% 30% at 80% 10%, rgba(2, 62, 138, 0.05), transparent),
    radial-gradient(ellipse 35% 25% at 20% 15%, rgba(0, 150, 199, 0.04), transparent);
}

[data-theme="light"] .grid-bg::after {
  background:
    radial-gradient(ellipse 50% 35% at 50% 0%, rgba(0, 150, 199, 0.04), transparent),
    radial-gradient(ellipse 40% 30% at 80% 10%, rgba(124, 58, 237, 0.03), transparent),
    radial-gradient(ellipse 35% 25% at 20% 15%, rgba(0, 150, 199, 0.02), transparent);
}

.mouse-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 150, 199, 0.08), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  top: 0;
  left: 0;
  transform: translate(calc(var(--mouse-x, 50vw) - 50%), calc(var(--mouse-y, 50vh) - 50%));
  will-change: transform;
  opacity: 0;
  transition: opacity 1s ease;
}

[data-theme="light"] .mouse-glow {
  background: radial-gradient(circle, rgba(0, 150, 199, 0.04), transparent 70%);
}

.scanline {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: repeating-linear-gradient(0deg,
      transparent,
      transparent 3px,
      var(--scanline) 3px,
      var(--scanline) 6px);
}

/* ───── Navigation ───── */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  padding: 0.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--nav-bg);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border-bottom: 1px solid var(--border);
  transition: background-color 0.35s ease, border-color 0.35s ease;
}

.nav-logo img {
  height: 72px;
}

.nav-logo .logo-dark {
  display: block;
}

.nav-logo .logo-light {
  display: none;
}

[data-theme="light"] .nav-logo .logo-dark {
  display: none;
}

[data-theme="light"] .nav-logo .logo-light {
  display: block;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 0.5rem 0.4rem;
  transition: color 0.25s;
}

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

.nav-cta {
  background: var(--gradient-btn) !important;
  color: #fff !important;
  padding: 0.5rem 1.3rem;
  border-radius: var(--radius-pill);
  font-weight: 600 !important;
  font-size: 0.8rem !important;
  letter-spacing: 0.02em;
  transition: transform 0.3s, box-shadow 0.3s !important;
  box-shadow: var(--shadow-btn);
}

.nav-cta:hover {
  box-shadow: var(--shadow-btn-hover);
  transform: translateY(-1px);
}

/* ───── Hero ───── */
.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem 2rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-light);
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-pill);
  margin-bottom: 2.25rem;
  width: fit-content;
  animation: fadeUp 0.6s ease both, hero-float 6s ease-in-out infinite;
  backdrop-filter: blur(8px);
}

@keyframes hero-float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-6px);
  }
}

.hero-badge::before {
  content: '';
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 2.5s ease infinite;
  box-shadow: 0 0 8px var(--accent);
}

@keyframes pulse-dot {

  0%,
  100% {
    opacity: 1;
    box-shadow: 0 0 8px var(--accent);
  }

  50% {
    opacity: 0.35;
    box-shadow: 0 0 4px var(--accent);
  }
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 7vw, 5.6rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.04em;
  margin-bottom: 1.75rem;
  animation: fadeUp 0.6s ease 0.1s both;
}

.hero h1 .green {
  background: var(--gradient-main);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s linear infinite;
}

@keyframes shimmer {
  to {
    background-position: 200% center;
  }
}

.hero h1 .dim {
  color: var(--text-dim);
}

.hero-sub {
  font-size: 1.12rem;
  color: var(--text-muted);
  max-width: 540px;
  line-height: 1.75;
  margin-bottom: 2.5rem;
  font-weight: 400;
  animation: fadeUp 0.6s ease 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeUp 0.6s ease 0.3s both;
}

/* ───── Buttons ───── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: var(--gradient-btn);
  color: #fff;
  padding: 0.82rem 1.9rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.88rem;
  text-decoration: none;
  transition: transform 0.3s, box-shadow 0.3s, background-color 0.3s;
  transform: translateY(0);
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  box-shadow: var(--shadow-btn);
}

.btn-primary:hover {
  box-shadow: var(--shadow-btn-hover);
  transform: translateY(-2px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: var(--bg-card);
  color: var(--text);
  padding: 0.82rem 1.9rem;
  border-radius: var(--radius-pill);
  font-weight: 500;
  font-size: 0.88rem;
  text-decoration: none;
  border: 1px solid var(--border);
  transition: border-color 0.3s, background-color 0.3s, box-shadow 0.3s, transform 0.3s;
  transform: translateY(0);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  box-shadow: 0 4px 16px rgba(0, 150, 199, 0.08);
}

/* ───── Hero Stats ───── */
.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  animation: fadeUp 0.6s ease 0.4s both;
}

.stat-num {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 50%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.73rem;
  color: var(--text-dim);
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
}

/* ───── Sections ───── */
section {
  position: relative;
  z-index: 1;
  padding: 8rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent-label);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 500;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--gradient-main);
  border-radius: 2px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 0.75rem;
}

.section-desc {
  color: var(--text-muted);
  max-width: 520px;
  font-size: 1.02rem;
  font-weight: 400;
  line-height: 1.7;
  margin-bottom: 3rem;
}

/* ───── Service Cards ───── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.4s, border-color 0.4s, box-shadow 0.4s;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-main);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.35s ease-out;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.service-card:hover {
  border-color: var(--accent-border);
  background: var(--bg-card-hover);
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2), var(--shadow-card);
}

.service-card:hover::before {
  transform: scaleY(1);
  box-shadow: 0 0 20px var(--accent-glow);
}

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(0, 150, 199, 0.15), rgba(124, 58, 237, 0.1));
  border: 1px solid var(--accent-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--accent-light);
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.service-card:hover .service-icon {
  transform: scale(1.1) rotate(5deg);
  background: var(--gradient-main);
  color: #fff;
  border-color: transparent;
}

.service-icon svg {
  width: 28px;
  height: 28px;
  stroke-width: 1.75;
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.12rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.7;
  font-weight: 400;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1.25rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 500;
  color: var(--accent-label);
  text-transform: uppercase;
  background: rgba(0, 150, 199, 0.06);
  border: 1px solid var(--border);
  padding: 0.22rem 0.6rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.03em;
  transition: border-color 0.25s, color 0.25s, background-color 0.25s;
}

.service-card:hover .tag {
  border-color: var(--accent-border);
  color: var(--accent-light);
}

/* ───── Why Section ───── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.why-item {
  padding: 1.5rem;
  border-left: 2px solid var(--border);
  transition: border-color 0.3s, background-color 0.3s, border-radius 0.3s;
}

.why-item:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.why-item h4 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.45rem;
}

.why-item p {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 400;
  line-height: 1.7;
}

/* ───── Brands Section (Technology + Partners) ───── */
.brands-section {
  padding: 3rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.brands-group {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.brands-group-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.brands-group-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-light-label);
  font-weight: 600;
}

.brands-group-sub {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-dim);
  letter-spacing: 0.03em;
}

.brands-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.brand-link {
  display: contents;
  text-decoration: none;
  color: inherit;
}

.brand-card {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-subtle);
  min-width: 120px;
  min-height: 56px;
  transition: border-color 0.3s, background-color 0.3s, transform 0.3s, box-shadow 0.3s;
}

.brand-hover-name {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--bg-card-solid);
  color: var(--text);
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  z-index: 100;
  letter-spacing: 0.02em;
}

.brand-hover-name::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--border);
}

.brand-card:hover .brand-hover-name {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.brand-card:hover {
  border-color: var(--accent-border);
  background: var(--bg-card);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 150, 199, 0.1);
}

.brand-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-height: 36px;
  opacity: 0.7;
  filter: grayscale(1);
  transition: opacity 0.3s, filter 0.3s;
}

.brand-card:hover .brand-logo {
  opacity: 1;
  filter: grayscale(0);
}

.brand-logo svg,
.brand-logo img {
  max-height: 32px;
  max-width: 110px;
  width: auto;
  height: auto;
  display: block;
  /* Dark mode adaptation */
  filter: brightness(0) invert(0.9);
  opacity: 0.85;
  transition: opacity 0.3s, filter 0.3s;
}

.brand-card:hover .brand-logo svg,
.brand-card:hover .brand-logo img {
  filter: none;
}

[data-theme="light"] .brand-logo svg,
[data-theme="light"] .brand-logo img {
  filter: brightness(0) invert(0.15);
}

[data-theme="light"] .brand-card:hover .brand-logo svg,
[data-theme="light"] .brand-card:hover .brand-logo img {
  filter: none;
}

.brand-name {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

[data-theme="light"] .brand-name {
  color: var(--text);
}

/* ───── Process Steps ───── */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2.5rem;
  counter-reset: step;
}

.process-step {
  counter-increment: step;
  padding: 2rem;
  border-radius: var(--radius-lg);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

.process-step:hover {
  background: var(--bg-card);
}

.process-step::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.25rem;
  line-height: 1;
  opacity: 0.8;
}

.process-step:hover::before {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.process-step h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.process-step p {
  color: var(--text-muted);
  font-size: 0.84rem;
  font-weight: 400;
  line-height: 1.7;
}

/* ───── CTA / Contact Section ───── */
.cta-section {
  text-align: center;
  padding: 8rem 2rem;
}

.cta-section .section-label {
  justify-content: center;
}

.cta-section .section-desc {
  margin: 0 auto 2.5rem;
  text-align: center;
}

/* ───── Contact Form ───── */
#contact-form-container {
  max-width: 860px;
  margin: 2rem auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.form-row {
  display: flex;
  gap: 0.75rem;
}

.form-row input {
  flex: 1;
}

.contact-form input,
.contact-form textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.8rem 1rem;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color 0.25s, background-color 0.25s, box-shadow 0.25s, transform 0.25s;
  transform: translateY(0);
  resize: vertical;
  backdrop-filter: blur(8px);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg-card-hover);
  box-shadow: 0 0 0 4px var(--accent-glow), 0 8px 16px rgba(0, 0, 0, 0.1);
  transform: translateY(-1px);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--text-dim);
}

.contact-form button {
  align-self: flex-start;
}

/* Toast notifications */
.toast {
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  margin-top: 1rem;
  animation: fadeUp 0.3s ease;
}

.toast-success {
  background: var(--toast-success-bg);
  border: 1px solid var(--accent-border);
  color: var(--accent-light);
}

.toast-error {
  background: var(--toast-error-bg);
  border: 1px solid var(--toast-error-border);
  color: var(--toast-error-text);
}

/* ───── Contact Grid ───── */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  max-width: 860px;
  margin: 3rem auto 0;
  text-align: left;
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-card {
  background: var(--bg-card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  backdrop-filter: none;
}

[data-theme="light"] .contact-card {
  background: #FFFFFF;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04), 0 0 0 1px rgba(0, 0, 0, 0.02);
}

.contact-card:hover {
  border-color: var(--accent-border);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15), var(--shadow-card);
}

.contact-label {
  font-family: var(--font-mono);
  font-size: 1.0rem;
  color: #FFFFFF;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.5rem;
  font-weight: 700;
  transition: none;
}

[data-theme="light"] .contact-label {
  color: #000000;
}

.contact-value {
  font-size: 0.92rem;
  font-weight: 500;
  line-height: 1.5;
}

.contact-value a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.25s;
}

.contact-value a:hover {
  color: var(--accent-light);
}

/* ───── Footer ───── */
footer {
  position: relative;
  z-index: 1;
  padding: 4rem 2rem 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  gap: 2.5rem;
}

.footer-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 500;
  transition: color 0.25s;
}

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

.footer-socials {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin: 1.5rem 0 2.5rem;
}

.footer-socials a {
  color: var(--text-dim);
  transition: color 0.3s ease, transform 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-socials a:hover {
  color: var(--accent);
  transform: translateY(-3px);
}

.footer-socials svg {
  width: 20px;
  height: 20px;
}

.footer-logo img {
  height: 64px;
  opacity: 0.7;
  filter: grayscale(1);
  transition: opacity 0.4s ease, filter 0.4s ease, transform 0.4s ease;
}

.footer-logo:hover img {
  opacity: 0.8;
  filter: grayscale(0);
  transform: scale(1.05);
}

.footer-text {
  font-size: 0.72rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

/* ───── Animations ───── */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s cubic-bezier(0.23, 1, 0.32, 1), transform 0.55s cubic-bezier(0.23, 1, 0.32, 1);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ───── Responsive ───── */
@media (max-width: 768px) {
  nav {
    padding: 0.65rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .nav-logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav-logo img {
    height: 48px;
    width: auto;
  }

  .nav-links {
    display: flex;
    width: 100%;
    justify-content: space-between;
    align-items: center;
    pointer-events: none;
  }

  .nav-links a:not(.nav-cta) {
    display: none;
  }

  .nav-links .theme-toggle,
  .nav-links .nav-cta {
    pointer-events: auto;
  }

  .nav-links .theme-toggle {
    display: inline-flex;
    order: -1;
  }

  .nav-links .nav-cta {
    margin-left: auto;
    padding: 0.45rem 1rem;
    font-size: 0.75rem !important;
  }

  .hero {
    padding: 7rem 1.25rem 3rem;
    min-height: auto;
    text-align: center;
    align-items: center;
  }

  .hero-badge {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-sub {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-stats {
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  section {
    padding: 4rem 1.25rem;
  }

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

  .brands-grid {
    justify-content: center;
  }

  .brands-group-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.5rem;
  }

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

  .form-row {
    flex-direction: column;
  }

  footer {
    flex-direction: column;
    text-align: center;
  }
}

/* ───── Scrollbar ───── */
::-webkit-scrollbar {
  width: 5px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 150, 199, 0.4);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 150, 199, 0.6);
}

/* ───── Selection ───── */
::selection {
  background: var(--selection-bg);
  color: var(--selection-text);
}