/* =============================================
   PUNCH NAKIŞI EVDE REHBERİ — STYLES
   Dokulu İplik + Modern Craft Design
   ============================================= */

/* --- CSS Custom Properties --- */
:root {
  /* Base palette */
  --color-cream: #FAF6F1;
  --color-warm-white: #FFFDF9;
  --color-ivory: #F5F0E8;
  --color-linen: #EDE7DD;

  /* Accent — terracotta/clay */
  --color-terracotta: #C67B5C;
  --color-terracotta-dark: #A85F42;
  --color-terracotta-light: #E8A88C;
  --color-terracotta-ghost: rgba(198, 123, 92, 0.08);

  /* Accent — sage */
  --color-sage: #8BA888;
  --color-sage-dark: #6E8E6B;
  --color-sage-light: #B5CBB3;
  --color-sage-ghost: rgba(139, 168, 136, 0.10);

  /* Neutral */
  --color-warm-gray: #6B6560;
  --color-warm-gray-light: #9C9590;
  --color-dark: #3D3835;
  --color-dark-soft: #524D49;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(61, 56, 53, 0.06);
  --shadow-md: 0 4px 12px rgba(61, 56, 53, 0.08);
  --shadow-lg: 0 8px 28px rgba(61, 56, 53, 0.10);
  --shadow-soft: 0 2px 8px rgba(61, 56, 53, 0.05);

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-round: 50%;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Typography */
  --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --font-heading: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --line-height-body: 1.7;
  --line-height-heading: 1.2;

  /* Transition */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Layout */
  --container-max: 1100px;
  --container-narrow: 780px;
  --header-height: 64px;
}

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

html {
  font-size: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1rem);
  -webkit-text-size-adjust: 100%;
}

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

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

a {
  color: var(--color-terracotta);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-terracotta-dark);
}

ul, ol {
  list-style: none;
}

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

/* --- Accessibility --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  background: var(--color-dark);
  color: var(--color-warm-white);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  z-index: 10000;
  font-size: 0.875rem;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-sm);
}

*:focus-visible {
  outline: 3px solid var(--color-terracotta);
  outline-offset: 2px;
  border-radius: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
  white-space: nowrap;
}

/* --- Texture Patterns (yarn/thread CSS) --- */
.texture-bg {
  background-image:
    radial-gradient(ellipse 2px 3px at 20% 50%, var(--color-linen) 50%, transparent 50%),
    radial-gradient(ellipse 2px 3px at 80% 30%, var(--color-linen) 50%, transparent 50%),
    radial-gradient(ellipse 1.5px 2.5px at 50% 80%, rgba(198, 123, 92, 0.04) 50%, transparent 50%);
  background-size: 60px 40px, 80px 55px, 45px 35px;
}

.thread-line {
  position: relative;
}

.thread-line::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 60px;
  height: 3px;
  background: repeating-linear-gradient(
    90deg,
    var(--color-terracotta) 0px,
    var(--color-terracotta) 4px,
    transparent 4px,
    transparent 7px
  );
  border-radius: 2px;
}

.weave-pattern {
  background-image:
    linear-gradient(45deg, transparent 48%, var(--color-linen) 48%, var(--color-linen) 52%, transparent 52%),
    linear-gradient(-45deg, transparent 48%, var(--color-linen) 48%, var(--color-linen) 52%, transparent 52%);
  background-size: 12px 12px;
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container--narrow {
  max-width: var(--container-narrow);
}

/* --- Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(250, 246, 241, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-linen);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-dark);
  text-decoration: none;
}

.site-logo:hover {
  color: var(--color-terracotta);
}

.logo-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

/* Nav */
.main-nav {
  display: flex;
  align-items: center;
}

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

.nav-list a {
  display: block;
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-warm-gray);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  background: var(--color-terracotta-ghost);
  color: var(--color-terracotta-dark);
}

.nav-list a.is-active {
  background: var(--color-terracotta-ghost);
  color: var(--color-terracotta-dark);
  font-weight: 700;
  box-shadow: inset 0 -2px 0 var(--color-terracotta);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-dark);
}

.menu-toggle:hover {
  background: var(--color-linen);
}

.menu-icon {
  width: 22px;
  height: 22px;
}

.menu-icon--close {
  display: none;
}

.menu-toggle[aria-expanded="true"] .menu-icon--open {
  display: none;
}

.menu-toggle[aria-expanded="true"] .menu-icon--close {
  display: block;
}

/* --- Hero --- */
.hero {
  padding: var(--space-3xl) 0 var(--space-2xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -60px;
  width: 300px;
  height: 300px;
  border-radius: var(--radius-round);
  background: radial-gradient(circle, var(--color-terracotta-ghost) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30px;
  left: -40px;
  width: 220px;
  height: 220px;
  border-radius: var(--radius-round);
  background: radial-gradient(circle, var(--color-sage-ghost) 0%, transparent 70%);
  pointer-events: none;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: var(--line-height-heading);
  color: var(--color-dark);
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 1;
}

.hero h1 span {
  color: var(--color-terracotta);
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--color-warm-gray);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  position: relative;
  z-index: 1;
}

/* Hero yarn SVG decoration */
.hero-yarn-deco {
  position: absolute;
  opacity: 0.06;
  pointer-events: none;
}

.hero-yarn-deco--left {
  top: 20%;
  left: 5%;
  width: 120px;
}

.hero-yarn-deco--right {
  bottom: 15%;
  right: 5%;
  width: 100px;
  transform: rotate(15deg);
}

/* --- Section --- */
.section {
  padding: var(--space-3xl) 0;
  position: relative;
}

.section--alt {
  background-color: var(--color-warm-white);
}

.section--sage-tint {
  background: linear-gradient(175deg, var(--color-cream) 0%, var(--color-sage-ghost) 50%, var(--color-cream) 100%);
}

.section--clay-tint {
  background: linear-gradient(175deg, var(--color-cream) 0%, var(--color-terracotta-ghost) 50%, var(--color-cream) 100%);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-weight: 700;
  color: var(--color-dark);
  line-height: var(--line-height-heading);
  margin-bottom: var(--space-sm);
}

.section-subtitle {
  font-size: 1rem;
  color: var(--color-warm-gray);
  max-width: 560px;
  margin: 0 auto;
}

/* Decorative divider */
.section-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin: var(--space-sm) auto var(--space-md);
  width: 80px;
}

.section-divider span {
  display: block;
  height: 3px;
  border-radius: 2px;
  background: var(--color-terracotta-light);
}

.section-divider span:nth-child(1) { width: 12px; }
.section-divider span:nth-child(2) { width: 28px; }
.section-divider span:nth-child(3) { width: 12px; }

/* --- Cards Grid --- */
.cards-grid {
  display: grid;
  gap: var(--space-lg);
}

.cards-grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
}

.cards-grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
}

.card {
  background: var(--color-warm-white);
  border: 1px solid var(--color-linen);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-terracotta-light), var(--color-sage-light));
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.card:hover::before {
  opacity: 1;
}

.card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-md);
  color: var(--color-terracotta);
}

.card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--color-dark);
}

.card p {
  color: var(--color-warm-gray);
  font-size: 0.95rem;
}

/* --- Image + Text Layout --- */
.media-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  margin-bottom: var(--space-xl);
}

.media-row--reverse {
  direction: rtl;
}

.media-row--reverse > * {
  direction: ltr;
}

.media-row__img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-linen);
  aspect-ratio: 4 / 3;
}

.media-row__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  display: block;
}

.media-row__text h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--color-dark);
}

.media-row__text p {
  color: var(--color-warm-gray);
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
}

.media-row__text ul {
  padding-left: var(--space-md);
}

.media-row__text li {
  color: var(--color-warm-gray);
  font-size: 0.95rem;
  margin-bottom: var(--space-xs);
  position: relative;
  padding-left: var(--space-md);
}

.media-row__text li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-round);
  background: var(--color-terracotta-light);
}

/* Inline card image */
.card-img {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-md);
  aspect-ratio: 16 / 9;
  background: var(--color-linen);
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@media (max-width: 768px) {
  .media-row {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .media-row--reverse {
    direction: ltr;
  }
}

/* --- Stacked Info Blocks (unique layout) --- */
.info-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.info-block {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-lg);
  align-items: start;
  background: var(--color-warm-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 1px solid var(--color-linen);
}

.info-block__number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-terracotta-light);
  line-height: 1;
  text-align: center;
  padding-top: var(--space-xs);
}

.info-block__content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--color-dark);
}

.info-block__content p {
  color: var(--color-warm-gray);
  font-size: 0.95rem;
}

.info-block__content ul {
  margin-top: var(--space-sm);
  padding-left: var(--space-md);
}

.info-block__content li {
  color: var(--color-warm-gray);
  font-size: 0.95rem;
  margin-bottom: var(--space-xs);
  position: relative;
  padding-left: var(--space-md);
}

.info-block__content li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-round);
  background: var(--color-terracotta-light);
}

/* --- Calculator Widget --- */
.calc-widget {
  background: var(--color-warm-white);
  border: 1px solid var(--color-linen);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  max-width: 600px;
  margin: 0 auto;
  box-shadow: var(--shadow-soft);
}

.calc-widget h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
  text-align: center;
  color: var(--color-dark);
}

.calc-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.calc-option {
  position: relative;
}

.calc-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.calc-option label {
  display: block;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-ivory);
  border: 2px solid var(--color-linen);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-warm-gray);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.calc-option input[type="radio"]:checked + label {
  background: var(--color-terracotta-ghost);
  border-color: var(--color-terracotta);
  color: var(--color-terracotta-dark);
}

.calc-option input[type="radio"]:focus-visible + label {
  outline: 3px solid var(--color-terracotta);
  outline-offset: 2px;
}

.calc-option label:hover {
  border-color: var(--color-terracotta-light);
}

.calc-result {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-sage-ghost);
  border-radius: var(--radius-md);
  min-height: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-base);
}

.calc-result__title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-sage-dark);
  margin-bottom: var(--space-xs);
}

.calc-result__text {
  color: var(--color-warm-gray);
  font-size: 0.9rem;
}

/* --- Tabs (Yanlış / Doğru) --- */
.tabs {
  background: var(--color-warm-white);
  border: 1px solid var(--color-linen);
  border-radius: var(--radius-xl);
  overflow: hidden;
  max-width: 700px;
  margin: 0 auto;
}

.tab-controls {
  display: flex;
  border-bottom: 1px solid var(--color-linen);
}

.tab-btn {
  flex: 1;
  padding: var(--space-md) var(--space-lg);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-warm-gray);
  background: transparent;
  border-bottom: 3px solid transparent;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  background: var(--color-terracotta-ghost);
}

.tab-btn[aria-selected="true"] {
  color: var(--color-terracotta-dark);
  border-bottom-color: var(--color-terracotta);
  background: var(--color-terracotta-ghost);
}

.tab-panel {
  padding: var(--space-xl);
  display: none;
  animation: fadeIn var(--transition-base);
}

.tab-panel[aria-hidden="false"] {
  display: block;
}

.tab-panel h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-dark);
}

.tab-panel p {
  color: var(--color-warm-gray);
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
}

.tab-panel .inline-svg {
  display: flex;
  justify-content: center;
  margin: var(--space-lg) 0;
}

.tab-panel .inline-svg svg {
  max-width: 260px;
  width: 100%;
}

/* --- FAQ Accordion --- */
.faq-list {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.faq-item {
  border: 1px solid var(--color-linen);
  border-radius: var(--radius-md);
  background: var(--color-warm-white);
  overflow: hidden;
  transition: box-shadow var(--transition-base);
}

.faq-item:hover {
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-dark);
  text-align: left;
  transition: background var(--transition-fast);
}

.faq-question:hover {
  background: var(--color-terracotta-ghost);
}

.faq-question[aria-expanded="true"] {
  background: var(--color-terracotta-ghost);
}

.faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-terracotta);
  transition: transform var(--transition-base);
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-answer__inner {
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--color-warm-gray);
  font-size: 0.95rem;
}

/* --- Footer --- */
.site-footer {
  background: var(--color-dark);
  color: var(--color-warm-gray-light);
  padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.footer-col h4 {
  color: var(--color-warm-white);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

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

.footer-col a {
  color: var(--color-warm-gray-light);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-warm-white);
}

.footer-col p {
  font-size: 0.875rem;
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: var(--space-lg);
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-warm-gray-light);
}

/* --- Cookie Consent Banner --- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: var(--color-warm-white);
  border-top: 1px solid var(--color-linen);
  box-shadow: 0 -4px 20px rgba(61, 56, 53, 0.12);
  padding: var(--space-lg) var(--space-lg);
  transform: translateY(100%);
  transition: transform var(--transition-slow);
}

.cookie-banner[aria-hidden="false"] {
  transform: translateY(0);
}

.cookie-inner {
  max-width: var(--container-max);
  margin: 0 auto;
}

.cookie-text {
  font-size: 0.9rem;
  color: var(--color-warm-gray);
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.cookie-text a {
  font-weight: 600;
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.cookie-settings-panel {
  display: none;
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: var(--color-ivory);
  border-radius: var(--radius-md);
}

.cookie-settings-panel.is-open {
  display: block;
}

.cookie-setting {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-linen);
}

.cookie-setting:last-child {
  border-bottom: none;
}

.cookie-setting__label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-dark);
}

.cookie-setting__desc {
  font-size: 0.8rem;
  color: var(--color-warm-gray);
}

/* Toggle switch */
.toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

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

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--color-linen);
  border-radius: 12px;
  transition: background var(--transition-fast);
  cursor: pointer;
}

.toggle-slider::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  background: var(--color-warm-white);
  border-radius: var(--radius-round);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--color-sage);
}

.toggle-switch input:checked + .toggle-slider::after {
  transform: translateX(20px);
}

.toggle-switch input:disabled + .toggle-slider {
  opacity: 0.5;
  cursor: not-allowed;
}

.toggle-switch input:focus-visible + .toggle-slider {
  outline: 3px solid var(--color-terracotta);
  outline-offset: 2px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.65em 1.4em;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}

.btn--primary {
  background: var(--color-terracotta);
  color: var(--color-warm-white);
  border-color: var(--color-terracotta);
}

.btn--primary:hover {
  background: var(--color-terracotta-dark);
  border-color: var(--color-terracotta-dark);
  color: var(--color-warm-white);
}

.btn--secondary {
  background: transparent;
  color: var(--color-terracotta);
  border-color: var(--color-terracotta);
}

.btn--secondary:hover {
  background: var(--color-terracotta-ghost);
}

.btn--ghost {
  background: transparent;
  color: var(--color-warm-gray);
  border-color: var(--color-linen);
}

.btn--ghost:hover {
  border-color: var(--color-warm-gray-light);
  color: var(--color-dark);
}

.btn--sm {
  padding: 0.4em 1em;
  font-size: 0.8rem;
}

/* --- Form Styles --- */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: var(--space-sm);
}

.form-label .required {
  color: var(--color-terracotta);
  margin-left: 2px;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.7em 1em;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-dark);
  background: var(--color-warm-white);
  border: 2px solid var(--color-linen);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-terracotta);
  box-shadow: 0 0 0 3px var(--color-terracotta-ghost);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-warm-gray-light);
}

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

.form-input.is-error,
.form-textarea.is-error {
  border-color: #D35D47;
}

.form-error {
  font-size: 0.8rem;
  color: #D35D47;
  margin-top: var(--space-xs);
  display: none;
}

.form-error.is-visible {
  display: block;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--color-terracotta);
  flex-shrink: 0;
}

.form-checkbox label {
  font-size: 0.85rem;
  color: var(--color-warm-gray);
  cursor: pointer;
}

.form-message {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  margin-top: var(--space-md);
  display: none;
}

.form-message--success {
  background: var(--color-sage-ghost);
  color: var(--color-sage-dark);
  border: 1px solid var(--color-sage-light);
}

.form-message--error {
  background: rgba(211, 93, 71, 0.08);
  color: #A84432;
  border: 1px solid rgba(211, 93, 71, 0.2);
}

/* Honeypot */
.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
  overflow: hidden;
  pointer-events: none;
  tab-index: -1;
}

/* --- Form Card (standalone) --- */
.form-card {
  background: var(--color-warm-white);
  border: 1px solid var(--color-linen);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.form-card__header {
  padding: var(--space-xl) var(--space-xl) var(--space-lg);
  border-bottom: 1px solid var(--color-linen);
  background: linear-gradient(180deg, var(--color-ivory) 0%, var(--color-warm-white) 100%);
}

.form-card__title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: var(--space-sm);
}

.form-card__desc {
  font-size: 0.95rem;
  color: var(--color-warm-gray);
  margin: 0;
}

.form-card__body {
  padding: var(--space-xl);
}

.form-card__body .form-group:last-child {
  margin-bottom: 0;
}

.form-card__footer {
  padding: 0 var(--space-xl) var(--space-xl);
}

.form-card__footer .btn {
  width: 100%;
  padding: 0.8em 1.4em;
  font-size: 1rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 var(--space-lg);
}

@media (max-width: 600px) {
  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-card__header,
  .form-card__body,
  .form-card__footer {
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
  }
}

/* --- Tech Pages Content --- */
.page-content {
  padding: var(--space-2xl) 0 var(--space-3xl);
  min-height: calc(100vh - var(--header-height) - 200px);
}

.page-content h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: var(--space-lg);
  line-height: var(--line-height-heading);
}

.page-content h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

.page-content h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-dark-soft);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.page-content p {
  margin-bottom: var(--space-md);
  color: var(--color-warm-gray);
}

.page-content ul,
.page-content ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}

.page-content li {
  margin-bottom: var(--space-xs);
  color: var(--color-warm-gray);
  position: relative;
  padding-left: var(--space-sm);
}

.page-content ul li::before {
  content: '';
  position: absolute;
  left: -0.8em;
  top: 0.6em;
  width: 5px;
  height: 5px;
  border-radius: var(--radius-round);
  background: var(--color-terracotta-light);
}

.page-content ol {
  list-style: decimal;
}

.page-content ol li::before {
  display: none;
}

.page-content a {
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--color-terracotta-light);
  text-underline-offset: 3px;
}

.page-content strong {
  font-weight: 700;
  color: var(--color-dark);
}

.page-content .last-updated {
  font-size: 0.8rem;
  color: var(--color-warm-gray-light);
  margin-bottom: var(--space-lg);
}

/* --- Contact Info Box --- */
.contact-info-box {
  background: var(--color-warm-white);
  border: 1px solid var(--color-linen);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.contact-info-box h2 {
  margin-top: 0;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.contact-info-item:last-child {
  margin-bottom: 0;
}

.contact-info-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-terracotta);
  margin-top: 2px;
}

.contact-info-item span {
  font-size: 0.95rem;
  color: var(--color-warm-gray);
}

/* --- Animations --- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* --- Responsive --- */
@media (max-width: 768px) {
  :root {
    --header-height: 56px;
  }

  .menu-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-warm-white);
    border-bottom: 1px solid var(--color-linen);
    box-shadow: var(--shadow-lg);
    padding: var(--space-md);
    transform: translateY(-120%);
    transition: transform var(--transition-base);
    z-index: 999;
  }

  .main-nav.is-open {
    transform: translateY(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-list a {
    padding: var(--space-sm) var(--space-md);
    font-size: 1rem;
    border-radius: var(--radius-sm);
    text-align: center;
    white-space: normal;
  }

  .hero {
    padding: var(--space-2xl) 0 var(--space-xl);
  }

  .section {
    padding: var(--space-2xl) 0;
  }

  .info-block {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .info-block__number {
    text-align: left;
    font-size: 2rem;
  }

  .calc-widget {
    padding: var(--space-lg);
  }

  .tabs {
    border-radius: var(--radius-md);
  }

  .cookie-actions {
    flex-direction: column;
  }

  .cookie-actions .btn {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

  .calc-options {
    flex-direction: column;
    align-items: stretch;
  }

  .calc-option label {
    text-align: center;
  }
}

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

  html {
    scroll-behavior: auto;
  }

  .animate-in {
    opacity: 1;
    transform: none;
  }

  .cookie-banner {
    transition: none;
  }
}

/* --- Print --- */
@media print {
  .site-header,
  .cookie-banner,
  .menu-toggle {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
  }

  .section {
    page-break-inside: avoid;
  }
}