/* -- CSS Custom Properties --*/
:root {
  /* Backgrounds — deep dark (ai.javascript.ninja style) */
  --color-bg: #0a0a0a;
  --color-bg-alt: #0f0f0f;
  --color-bg-card: #141414;
  --color-primary: #8b5cf6;
  --color-primary-dark: #7c3aed;
  --color-accent: #a78bfa;

  /* Text */
  --color-text: #ededed;
  --color-text-light: #a3a3a3;

  /* Borders & surfaces */
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-hover: rgba(255, 255, 255, 0.15);
  --color-success: #22c55e;
  --color-warning: #eab308;

  /* Terminal / code accents */
  --color-terminal-bg: rgba(255, 255, 255, 0.04);
  --color-terminal-text: #c084fc;

  /* Typography */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

  /* Type scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;

  /* Radius & shadows */
  --radius: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(139, 92, 246, 0.25);

  /* Layout */
  --max-width: 1200px;
}

/* Reset */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  font-family: var(--font-main);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  -webkit-overflow-scrolling: touch;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--color-text);
}
a { color: var(--color-primary); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--color-text); }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-md); }

/* Section — dark surfaces */
.section {
  padding: 0 !important;
  margin: 0 auto calc(var(--space-lg) - 12px) auto !important;
  max-width: var(--max-width) !important;
  border-radius: 24px !important;
  background-color: rgba(10, 10, 10, 0.3) !important;
}


@media (max-width: 768px) {
  .section {
    margin-bottom: 16px !important;
    border-radius: 16px !important;
  }
  .section--icon-outset {
    padding-top: 12px !important;
  }
}

.section--alt {
  background-color: rgba(15, 15, 15, 0.4) !important;
}

/* Inner content card — dark background for readability */
.section > .container {
  background-color: rgba(10, 10, 10, 0.80) !important;
  border-radius: 24px !important;
  padding: var(--space-xl) var(--space-md) !important;
}

@media (max-width: 768px) {
  .section > .container {
    border-radius: 16px !important;
    padding: var(--space-md) var(--space-sm) !important;
  }
}

/* Alt section inner card */
.section--alt > .container {
  background-color: rgba(15, 15, 15, 0.95) !important;
}

code, pre { font-family: var(--font-mono); font-size: 0.9em; }

/* Header — fixed on top, always visible */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(10, 10, 10, 0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  min-height: 56px;
}

/* Wrapper — push content below fixed header */
.site-wrapper {
  padding-top: 56px;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-sm) var(--space-md);
}

.header__logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header__logo img {
  height: 36px;
  width: auto;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex: 1;
  justify-content: flex-end;
}

.header__links {
  display: flex;
  list-style: none;
  gap: var(--space-md);
}

.header__link {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text-light);
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.header__link:hover {
  color: var(--color-primary);
  text-shadow: 0 0 8px rgba(139, 92, 246, 0.3);
}

.header__link.active {
  color: var(--color-primary);
  font-weight: 600;
  text-shadow: 0 0 8px rgba(139, 92, 246, 0.3);
}

.header__lang-switch {
  display: flex;
  gap: 2px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--color-terminal-bg);
}

.header__lang-btn {
  padding: 5px 10px;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--color-text-light);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  letter-spacing: 0.05em;
}

.header__lang-btn:hover {
  color: var(--color-primary);
  background-color: rgba(139, 92, 246, 0.1);
}

.header__lang-btn.active {
  background-color: var(--color-primary);
  color: #0a0a0a;
  font-weight: 700;
}

/* Mobile menu */
.header__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

@media (max-width: 768px) {
  .header__toggle {
    display: block;
  }
}

.header__toggle-icon {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  position: relative;
}

.header__toggle-icon::before,
.header__toggle-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
}

.header__toggle-icon::before {
  top: -7px;
}

.header__toggle-icon::after {
  top: 7px;
}

/* Mobile menu — checkbox toggle (CSS-only) */
#menu-toggle {
  display: none;
}

@media (max-width: 768px) {
  /* On mobile, hide nav by default; show it when checkbox is checked */
  .header__nav {
    display: none;
  }

  #menu-toggle:checked ~ .site-header-wrapper .header__inner .header__nav {
    display: flex !important;
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    z-index: 999;
    flex-direction: column;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(12px);
    padding-top: var(--space-lg);
    padding-bottom: var(--space-lg);
    gap: var(--space-md);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  #menu-toggle:checked ~ .site-header-wrapper .header__inner .header__nav .header__links {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
    width: 100%;
  }

  #menu-toggle:checked ~ .site-header-wrapper .header__inner .header__nav .header__link {
    font-size: 1.5rem;
    padding: var(--space-sm) 0;
    display: block;
    color: rgba(237, 237, 237, 0.9);
    letter-spacing: -0.02em;
  }

  #menu-toggle:checked ~ .site-header-wrapper .header__inner .header__nav .header__link:hover {
    color: var(--color-primary);
    text-shadow: 0 0 12px rgba(139, 92, 246, 0.4);
  }

  #menu-toggle:checked ~ .site-header-wrapper .header__inner .header__nav .header__link.active {
    color: var(--color-primary);
    text-shadow: 0 0 12px rgba(139, 92, 246, 0.4);
  }

  #menu-toggle:checked ~ .site-header-wrapper .header__inner .header__nav .header__lang-switch {
    flex-direction: row;
    justify-content: center;
    margin-top: auto;
    gap: var(--space-sm);
  }

  /* Close button (×) when menu is open */
  #menu-toggle:checked ~ .site-header-wrapper .header__toggle-icon {
    background-color: transparent;
  }

  #menu-toggle:checked ~ .site-header-wrapper .header__toggle-icon::before,
  #menu-toggle:checked ~ .site-header-wrapper .header__toggle-icon::after {
    background-color: rgba(244, 247, 250, 0.9);
    top: 0;
    transform: rotate(45deg);
  }

  #menu-toggle:checked ~ .site-header-wrapper .header__toggle-icon::after {
    transform: rotate(-45deg);
  }
}

/* Hero — dark gradient background, terminal-style blocks */
.hero {
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
    top: 56px;
    margin-bottom: 6.5rem;
}
/* Fixed background image — like ai.javascript.ninja */
.hero::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url('/images/hero-water.jpg') center / cover no-repeat;
  opacity: 0.6;
  transition: opacity 0.15s ease;
  z-index: -1;
  pointer-events: none;
}

/* Hero content — dark translucent surface, water visible behind */
.hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: calc(var(--space-xl) * 0.81);
  padding-right: var(--space-lg);
  padding-bottom: var(--space-xl);
  padding-left: var(--space-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
  background-color: rgba(10, 10, 10, 0.8);
  border-radius: 24px;
}

.hero__text {
  color: var(--color-text);
  grid-column: 1;
  align-self: center;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5.5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.hero__subtitle {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  opacity: 0.85;
  margin-bottom: var(--space-md);
  line-height: 1.7;
  color: var(--color-text-light);
}

.hero__cta {
  display: inline-flex;
  gap: var(--space-sm);
}

/* Hero Terminal — terminal-style quote blocks */
.hero__terminal {
  grid-column: 2;
  display: flex;
  flex-direction: column;
  gap: 0;
  align-self: stretch;
  background-color: #0a0a0a;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1px;
}

.hero__terminal-line {
  flex: 1 1 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  padding: var(--space-sm);
  background-color: var(--color-terminal-bg);
}

.hero__terminal-line:not(:first-child) {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.hero__terminal-prompt {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-terminal-text);
  margin-right: 8px;
}

.hero__terminal-cmd {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.6;
}

.hero__terminal-comment {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  display: block;
  margin-top: 4px;
}

/* Buttons — light on dark hero bg */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-size: var(--text-base);
  font-weight: 400;
  letter-spacing: 0.01em;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn--primary {
  background-color: var(--color-primary);
  color: #0a0a0a;
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

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

.btn--outline:hover {
  border-color: var(--color-primary);
  background: rgba(139, 92, 246, 0.08);
  color: var(--color-text);
}

.btn--accent {
  background-color: var(--color-primary);
  color: #0a0a0a;
}

.btn--accent:hover {
  background-color: var(--color-primary-dark);
}

/* IconBox — base styles */
.icon-box {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
}

/* IconBox — outset positioning */
.icon-box--outset {
  margin-top: -58px;
}

.icon-box--outset-sm {
  margin-top: -50px;
}

@media (max-width: 768px) {
  .icon-box--outset {
    margin-top: -58px;
  }

  .icon-box--outset-sm {
    margin-top: -50px;
  }
}

.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-lg);
}

.section__title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.2vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.section__description {
  font-size: var(--text-lg);
  color: var(--color-text-light);
  line-height: 1.75;
}

/* Benefits */
.benefits__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-md);
}

.benefit-card {
  background: rgba(20, 20, 20, 0.90);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  margin-top: 20px;
  transition: all 0.3s ease;
}

.benefit-card:hover {
  border-color: rgba(139, 92, 246, 0.4);
  box-shadow: var(--shadow-glow), var(--shadow-md);
  transform: translateY(-2px);
}

.benefit-card__icon {
  margin-bottom: var(--space-sm);
}

.benefit-card__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background-color: var(--color-terminal-bg);
  border: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-terminal-text);
  letter-spacing: 0.02em;
  transition: all 0.2s ease;
}

.benefit-card:hover .benefit-card__number {
  border-color: rgba(139, 92, 246, 0.5);
  background-color: rgba(139, 92, 246, 0.12);
  color: var(--color-primary);
  box-shadow: 0 0 8px rgba(139, 92, 246, 0.25);
}

.benefit-card__icon svg {
  width: 24px;
  height: 24px;
  fill: none;
}

.benefit-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.benefit-card__text {
  font-size: var(--text-base);
  color: var(--color-text-light);
  line-height: 1.7;
}

/* Calculator */
.calculator {
  max-width: 720px;
  margin: 0 auto;
}

.calculator__form {
  display: grid;
  gap: var(--space-md);
}

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

.calculator__label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.01em;
}

.calculator__unit,
.calculator__currency {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-terminal-text);
  background-color: rgba(139, 92, 246, 0.15);
}

.calculator__currency {
  color: var(--color-success);
  background-color: rgba(34, 197, 94, 0.15);
}

/* Terminal-style input fields */
.calculator__input {
  padding: 12px 16px;
  font-size: 1rem;
  font-family: var(--font-mono);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-terminal-bg);
  color: var(--color-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  width: 100%;
}

.calculator__input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.25), 0 0 12px rgba(139, 92, 246, 0.15);
}

.calculator__input::placeholder {
  color: var(--color-text-light);
  opacity: 0.5;
}

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

/* Terminal-style radio buttons */
.calculator__radio-group {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.calculator__radio-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-terminal-bg);
  cursor: pointer;
  transition: all 0.2s ease;
  flex: 1 1 0;
  min-width: 140px;
}

.calculator__radio-item:hover {
  border-color: rgba(139, 92, 246, 0.3);
  background: rgba(139, 92, 246, 0.06);
}

.calculator__radio {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-border-hover);
  border-radius: 4px;
  background: transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  flex-shrink: 0;
}

.calculator__radio:checked {
  border-color: var(--color-primary);
  background-color: var(--color-primary);
}

.calculator__radio:checked::after {
  content: '';
  position: absolute;
  top: 1px;
  left: 4px;
  width: 5px;
  height: 9px;
  border: solid #0a0a0a;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.calculator__radio:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.25);
}

.calculator__radio-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-light);
  cursor: pointer;
  user-select: none;
  transition: color 0.2s ease;
}

.calculator__radio-item:hover .calculator__radio-label {
  color: var(--color-text);
}

.calculator__radio:checked + .calculator__radio-label,
.calculator__radio:checked ~ .calculator__radio-label {
  color: var(--color-primary);
}

/* Terminal-style result block */
.calculator__result {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.12), rgba(124, 58, 237, 0.08));
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: var(--radius-lg);
  color: var(--color-text);
  display: none;
}

.calculator__result.visible {
  display: block;
}

.calculator__result .calculator__payback-text {
  text-align: center;
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--color-text);
  margin-top: 0;
}

.calculator__result .calculator__payback-text strong {
  color: var(--color-primary);
  font-family: var(--font-mono);
}

.calculator__result .calculator__bottles-text {
  text-align: center;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--color-text-light);
  margin-top: var(--space-sm);
}

/* Process — terminal-style steps */
.process__steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-md);
}

.process__step {
  padding: var(--space-md);
  background: rgba(20, 20, 20, 0.90);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
}

.process__step:hover {
  border-color: rgba(139, 92, 246, 0.4);
  box-shadow: var(--shadow-glow), var(--shadow-md);
  transform: translateY(-2px);
}

.process__step-badge {
  margin-bottom: var(--space-sm);
}

.process__step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background-color: var(--color-terminal-bg);
  border: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-terminal-text);
  letter-spacing: 0.02em;
  transition: all 0.2s ease;
}

.process__step:hover .process__step-number {
  border-color: rgba(139, 92, 246, 0.5);
  background-color: rgba(139, 92, 246, 0.12);
  color: var(--color-primary);
  box-shadow: 0 0 8px rgba(139, 92, 246, 0.25);
}

.process__step-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.process__step-text {
  font-size: var(--text-base);
  color: var(--color-text-light);
  line-height: 1.7;
}

/* Testimonials */
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-md);
}

.testimonial-card {
  background: rgba(20, 20, 20, 0.90);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  border-color: rgba(139, 92, 246, 0.4);
  box-shadow: var(--shadow-glow), var(--shadow-md);
  transform: translateY(-2px);
}

.testimonial-card__rating {
  margin-bottom: var(--space-sm);
}

.testimonial-card__stars {
  color: var(--color-primary);
  font-size: 1rem;
  letter-spacing: 2px;
}

.testimonial-card__text {
  flex: 1;
  font-size: var(--text-base);
  color: var(--color-text-light);
  line-height: 1.75;
  margin-bottom: var(--space-sm);
  font-style: italic;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-card__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-terminal-bg);
  border: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-terminal-text);
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.05em;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.testimonial-card:hover .testimonial-card__avatar {
  border-color: rgba(139, 92, 246, 0.5);
  background-color: rgba(139, 92, 246, 0.12);
  color: var(--color-primary);
  box-shadow: 0 0 8px rgba(139, 92, 246, 0.25);
}

.testimonial-card__name {
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-text);
}

.testimonial-card__location {
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

/* Contact */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

/* Terminal-style info blocks */
.contact__terminal-block {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 12px 16px;
  background: var(--color-terminal-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.6;
  transition: all 0.2s ease;
}

.contact__terminal-block:hover {
  border-color: rgba(139, 92, 246, 0.3);
  background: rgba(139, 92, 246, 0.06);
}

.contact__terminal-prompt {
  color: var(--color-terminal-text);
  font-weight: 700;
}

.contact__terminal-key {
  color: var(--color-primary);
  font-weight: 600;
}

.contact__terminal-value {
  color: var(--color-text-light);
}

.contact__form {
  display: grid;
  gap: var(--space-sm);
}

.contact__field {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.contact__label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.01em;
}

.contact__prompt-prefix {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-terminal-text);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  pointer-events: none;
  z-index: 1;
}

.contact__input {
  padding: 12px 16px 12px 32px;
  font-size: 1rem;
  font-family: var(--font-mono);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-terminal-bg);
  color: var(--color-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  width: 100%;
}

.contact__input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.25), 0 0 12px rgba(139, 92, 246, 0.15);
}

.contact__input::placeholder {
  color: var(--color-text-light);
  opacity: 0.5;
}

/* Footer — dark minimal */
.footer {
  background-color: #050505;
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-md);
  padding-top: var(--space-lg);
  padding-bottom: var(--space-md);
}

.footer__brand-col {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer__links-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__brand-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.75rem;
}

.footer__logo svg {
  display: block;
}

.footer__brand {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.footer__tagline {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-text-light);
}

.footer__heading {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--color-text);
  margin-bottom: 4px;
}

.footer__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: 1.6;
  transition: color 0.2s ease, text-shadow 0.2s ease;
}

.footer__link:hover {
  color: var(--color-primary);
  text-shadow: 0 0 8px rgba(139, 92, 246, 0.3);
}

.footer__bottom {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-light);
  opacity: 0.7;
}

/* Responsive */
@media (max-width: 768px) {
  .header__nav {
    display: none;
  }

  .hero__content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__text {
    grid-column: 1;
  }

  .hero__terminal {
    grid-column: 1;
    display: flex;
    flex-direction: column;
    gap: 0;
    min-height: 50vh;
    background-color: #0a0a0a;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1px;
  }

  .hero__terminal-line {
    flex: 1 1 0;
    min-height: 0;
    position: relative;
    padding: var(--space-sm);
    background-color: var(--color-terminal-bg);
  }

  .hero__terminal-line:not(:first-child) {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
  }

  .hero__cta {
    justify-content: center;
    flex-wrap: wrap;
  }

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

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

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

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

  .footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer__brand-col,
  .footer__links-col {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .footer__brand-row {
    justify-content: center;
  }

  .section__header {
    padding: 0 var(--space-sm);
  }
}

@media (max-width: 480px) {
  html {
    font-size: 15px;
  }

  .hero {
    min-height: 80vh;
  }

  .benefits__grid,
  .process__steps,
  .testimonials__grid {
    grid-template-columns: 1fr;
  }
}

/* Logo glow effect — subtle purple accent glow */
.logo--glow {
  filter: drop-shadow(0 0 2px rgba(139, 92, 246, 0.4));
}
/* test hmr */
/* hmr test 2 */