/* ============================================
   XAPPO Design System — styles.css
   See DESIGN.md for full specification
   ============================================ */

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  /* Brand */
  --accent: #F19621;
  --accent-hover: #D9851B;
  --accent-light: rgba(241, 150, 33, 0.08);
  --accent-medium: rgba(241, 150, 33, 0.15);

  /* Surfaces */
  --bg: #F8F6F3;
  --bg-card: #F0EDE8;
  --bg-white: #FFFFFF;
  --navy-surface: #1E2B3A;
  --navy-card: #263545;
  --footer-bg: #141210;

  /* Text */
  --text-primary: #1A1A28;
  --text-secondary: #3D3832;
  --text-muted: #6E6962;
  --text-light: #A09A93;

  /* Borders */
  --border: #E5E0DA;
  --border-light: #EDE9E3;

  /* Semantic */
  --success: #2D8A56;
  --warning: #C4841D;
  --error: #C4392D;
  --info: #2D6E8A;

  /* Typography */
  --serif: 'Instrument Serif', Georgia, serif;
  --sans: 'Instrument Sans', -apple-system, system-ui, sans-serif;

  /* Spacing & Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Nav height */
  --nav-height: 80px;
}

/* ===== DARK MODE ===== */
.dark {
  --bg: #141210;
  --bg-card: #1C1A17;
  --bg-white: #232019;
  --text-primary: #F5F3F0;
  --text-secondary: #C8C2BA;
  --text-muted: #8A857F;
  --text-light: #5A554F;
  --border: #2E2A25;
  --border-light: #252220;
  --accent: #F5A73D;
  --accent-hover: #F7B85C;
  --accent-light: rgba(245, 167, 61, 0.1);
  --accent-medium: rgba(245, 167, 61, 0.18);
  --navy-surface: #0D1117;
  --navy-card: #161C24;
  --success: #3DAA6B;
  --warning: #D4942D;
  --error: #D4493D;
  --info: #3D8EAA;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text-primary);
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 24px);
  transition: background 0.3s ease, color 0.3s ease;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  line-height: 1.65;
  font-size: 18px;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
ul, ol { list-style: none; }

/* ===== TYPOGRAPHY ===== */
h1, .h1 {
  font-family: var(--serif);
  font-size: clamp(48px, 6vw, 72px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

h2, .h2 {
  font-family: var(--serif);
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

h3, .h3 {
  font-family: var(--sans);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
}

h4, .h4 {
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-primary);
}

p {
  color: var(--text-secondary);
}

.accent-italic {
  font-family: var(--serif);
  font-style: italic;
  color: var(--accent);
}

.lead {
  font-size: 22px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.overline {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
}

/* ===== LAYOUT ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.section {
  padding: 96px 0;
}

.section--tight {
  padding: 64px 0;
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(248, 246, 243, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  transition: background 0.3s ease, border-color 0.3s ease;
}

.dark .nav {
  background: rgba(20, 18, 16, 0.85);
}

.nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__logo {
  display: flex;
  align-items: center;
  height: 32px;
}

.nav__logo img {
  height: 48px;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.nav__link:hover {
  color: var(--text-primary);
}

.nav__link--cta {
  color: #fff;
  background: var(--accent);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: all 0.2s ease;
}

.nav__link--cta:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
}

.nav__theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.nav__theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Mobile nav */
.nav__hamburger {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: transparent;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}

.nav__hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: all 0.3s ease;
}

.nav__hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}
.nav__hamburger.active span:nth-child(2) {
  opacity: 0;
}
.nav__hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.nav__mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 24px 32px;
  flex-direction: column;
  gap: 16px;
  z-index: 99;
}

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

.nav__mobile-link {
  font-size: 17px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 0;
  transition: color 0.2s ease;
}

.nav__mobile-link:hover {
  color: var(--accent);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 600;
  border: none;
  transition: all 0.2s ease;
  cursor: pointer;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
}
.btn--primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(241, 150, 33, 0.3);
}

.btn--secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn--secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--ghost {
  background: transparent;
  color: var(--accent);
  padding: 14px 0;
}
.btn--ghost:hover {
  color: var(--accent-hover);
}

.btn--ghost .arrow {
  transition: transform 0.2s ease;
}
.btn--ghost:hover .arrow {
  transform: translateX(4px);
}

.btn--lg {
  padding: 16px 32px;
  font-size: 16px;
}

.btn-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== HERO ===== */
.hero {
  padding-top: calc(var(--nav-height) + 80px);
  padding-bottom: 80px;
}

.hero__content {
  max-width: 720px;
}

.hero h1 {
  margin-bottom: 28px;
}

.hero .lead {
  margin-bottom: 40px;
  max-width: 600px;
}

.hero__stats {
  display: flex;
  gap: 48px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat__number {
  font-family: var(--serif);
  font-size: 42px;
  color: var(--text-primary);
  line-height: 1;
}

.stat__number span {
  color: var(--accent);
}

.stat__label {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ===== ABOUT ===== */
.about__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: start;
}

.about__text p {
  margin-bottom: 20px;
  line-height: 1.7;
}

.about__text p:last-child {
  margin-bottom: 0;
}

.about__text strong {
  color: var(--text-primary);
  font-weight: 600;
}

.about__card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.about__card h3 {
  margin-bottom: 12px;
}

.about__card p {
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.about__card p:last-child {
  margin-bottom: 0;
}

/* ===== SERVICE CARDS ===== */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.service-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: all 0.25s ease;
}

.service-card:hover {
  border-color: var(--border);
  box-shadow: 0 8px 32px rgba(0,0,0,0.06);
  transform: translateY(-2px);
}

.service-card__number {
  font-family: var(--serif);
  font-size: 36px;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 16px;
}

.service-card h3 {
  margin-bottom: 12px;
}

.service-card p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-muted);
}

/* ===== METHODOLOGY (DARK SECTION) ===== */
.methodology {
  background: var(--navy-surface);
  padding: 96px 0;
}

.methodology h2 {
  color: #F0EDE8;
}

.methodology > .container > p {
  color: #9CA3AF;
  max-width: 560px;
  margin-top: 16px;
}

.method__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.method-card {
  background: var(--navy-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: all 0.25s ease;
}

.method-card:hover {
  border-color: rgba(241, 150, 33, 0.3);
  transform: translateY(-2px);
}

.method-card__number {
  font-family: var(--serif);
  font-size: 28px;
  color: var(--accent);
  margin-bottom: 12px;
}

.method-card__title {
  font-size: 16px;
  font-weight: 600;
  color: #F0EDE8;
  margin-bottom: 8px;
}

.method-card__desc {
  font-size: 13px;
  line-height: 1.5;
  color: #7A8494;
}

/* ===== TESTIMONIALS ===== */
.testimonials__featured {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 56px;
  position: relative;
  margin-bottom: 32px;
}

.testimonials__featured::before {
  content: '\201C';
  font-family: var(--serif);
  font-size: 80px;
  color: var(--accent);
  position: absolute;
  top: 20px;
  left: 48px;
  line-height: 1;
  opacity: 0.25;
}

.testimonial__quote {
  font-family: var(--serif);
  font-style: italic;
  font-size: 24px;
  line-height: 1.5;
  color: var(--text-primary);
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
}

.testimonial__author {
  font-weight: 600;
  font-size: 15px;
  color: var(--text-primary);
}

.testimonial__role {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 2px;
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 28px;
}

.testimonial-card__quote {
  font-family: var(--serif);
  font-style: italic;
  font-size: 15px;
  line-height: 1.55;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.testimonial-card__author {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
}

.testimonial-card__role {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ===== BOOK PROMO ===== */
.book {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 48px;
  align-items: center;
  background: var(--navy-surface);
  border-radius: var(--radius-lg);
  padding: 48px 56px;
  overflow: hidden;
}

.book__cover-img {
  width: 220px;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: 8px 8px 32px rgba(0,0,0,0.3), 0 0 0 1px rgba(255,255,255,0.05);
  transform: rotate(-2deg);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.book__cover-img:hover {
  transform: rotate(0deg) scale(1.03);
}

.book__content h3 {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 400;
  color: #F0EDE8;
  margin-bottom: 12px;
}

.book__content p {
  color: #9CA3AF;
  font-size: 16px;
  line-height: 1.65;
  max-width: 520px;
  margin-bottom: 24px;
}

.book__links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.book__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  border: none;
  transition: all 0.2s ease;
}

.book__link--primary {
  background: var(--accent);
  color: #fff;
}
.book__link--primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.book__link--secondary {
  background: rgba(255,255,255,0.06);
  color: #B5AFA8;
  border: 1px solid rgba(255,255,255,0.1);
}
.book__link--secondary:hover {
  border-color: rgba(255,255,255,0.2);
  color: #F0EDE8;
}

.book__separator {
  color: #4A4540;
  font-size: 13px;
}

/* ===== CASE STUDIES ===== */
.case-study {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 32px;
  transition: all 0.25s ease;
}

.case-study:last-child {
  margin-bottom: 0;
}

.case-study:hover {
  box-shadow: 0 12px 40px rgba(0,0,0,0.06);
}

.case-study__sidebar {
  background: var(--navy-surface);
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.case-study__industry {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
}

.case-study__client {
  font-family: var(--serif);
  font-size: 32px;
  color: #F0EDE8;
  margin-top: 16px;
}

.case-study__metrics {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 32px;
}

.metric {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 16px;
}

.metric__value {
  font-family: var(--serif);
  font-size: 32px;
  color: var(--accent);
  line-height: 1;
}

.metric__label {
  font-size: 13px;
  color: #7A8494;
  margin-top: 4px;
}

.case-study__content {
  padding: 40px;
}

.case-study__title {
  font-family: var(--serif);
  font-size: 26px;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.case-study__body {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.case-study__body:last-of-type {
  margin-bottom: 0;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.tag {
  font-size: 12px;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  background: var(--accent-light);
  color: var(--accent);
  border: 1px solid var(--accent-medium);
}

/* ===== MATURITY RADAR ===== */
.radar {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 56px;
}

.radar__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 40px;
  align-items: start;
}

.radar__questions {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.radar__question-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.radar__question-label .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.radar__slider-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.radar__slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  border-radius: 3px;
  background: var(--border);
  outline: none;
}

.radar__slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 3px solid var(--bg-white);
  box-shadow: 0 1px 4px rgba(0,0,0,0.15);
  transition: transform 0.15s ease;
}

.radar__slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.radar__slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 3px solid var(--bg-white);
  box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}

.radar__value {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  width: 24px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.radar__scale-labels {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-light);
  margin-top: 4px;
  padding: 0 2px;
}

.radar__canvas-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: sticky;
  top: calc(var(--nav-height) + 32px);
}

.radar__canvas-wrap canvas {
  max-width: 100%;
}

.radar__score {
  text-align: center;
  margin-top: 24px;
}

.radar__score-number {
  font-family: var(--serif);
  font-size: 48px;
  color: var(--text-primary);
  line-height: 1;
}

.radar__score-number span {
  font-size: 24px;
  color: var(--text-muted);
}

.radar__score-label {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
}

.radar__level {
  display: inline-block;
  margin-top: 12px;
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
}

.radar__cta {
  text-align: center;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
}

.radar__cta p {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

/* ===== CONTACT ===== */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact__info {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.contact__info h3 {
  margin-bottom: 28px;
}

.contact__detail {
  margin-bottom: 24px;
}

.contact__detail:last-child {
  margin-bottom: 0;
}

.contact__detail h4 {
  margin-bottom: 6px;
}

.contact__detail p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
}

.contact__form-wrap {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.contact__form-wrap h3 {
  margin-bottom: 8px;
}

.contact__form-wrap > p {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.form-input {
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--sans);
  font-size: 15px;
  background: var(--bg);
  color: var(--text-primary);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
}

.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.form-input::placeholder {
  color: var(--text-light);
}

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

/* ===== FOOTER ===== */
.footer {
  background: var(--footer-bg);
  padding: 64px 0 40px;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.footer__brand {
  max-width: 280px;
}

.footer__logo {
  height: 48px;
  width: auto;
  margin-bottom: 12px;
}

.footer__tagline {
  font-family: var(--serif);
  font-style: italic;
  font-size: 15px;
  color: #7A756F;
}

.footer__links {
  display: flex;
  gap: 56px;
}

.footer__col h4 {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #7A756F;
  margin-bottom: 16px;
}

.footer__col a {
  display: block;
  font-size: 14px;
  color: #9B9590;
  margin-bottom: 10px;
  transition: color 0.2s ease;
}

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

.footer__bottom {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid #2E2A25;
  font-size: 13px;
  color: #5A554F;
}

/* ===== FADE-IN ANIMATION ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .method__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .section { padding: 64px 0; }

  .nav__links { display: none; }
  .nav__hamburger { display: flex; }

  .hero { padding-top: calc(var(--nav-height) + 48px); padding-bottom: 48px; }
  .hero__stats { flex-direction: column; gap: 24px; }

  .about__grid { grid-template-columns: 1fr; gap: 32px; }

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

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

  .testimonials__grid { grid-template-columns: 1fr; }
  .testimonials__featured { padding: 40px; }

  .book { grid-template-columns: 1fr; padding: 40px 32px; text-align: center; }
  .book__cover-img { margin: 0 auto; transform: rotate(0deg); }
  .book__content p { max-width: 100%; }
  .book__links { justify-content: center; }

  .case-study { grid-template-columns: 1fr; }

  .radar__layout { grid-template-columns: 1fr; }
  .radar__canvas-wrap { position: static; order: -1; }
  .radar { padding: 40px 28px; }

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

  .footer__inner { flex-direction: column; gap: 40px; }
  .footer__links { gap: 32px; flex-wrap: wrap; }
}

@media (max-width: 480px) {
  .method__grid { grid-template-columns: 1fr; }
  .footer__links { flex-direction: column; gap: 28px; }
  .testimonial__quote { font-size: 20px; }
  .stat__number { font-size: 36px; }
}