/* ===========================================
   SARI RAITIO – AI Business Strategist
   style.css
   =========================================== */

/* --- VARIABLES --- */
:root {
  --bg: #F8F5F0;
  --bg-alt: #EFEBE4;
  --text: #1F1F1F;
  --text-muted: #5A5A5A;
  --accent: #B86B4B;
  --accent-dark: #9A5538;
  --teal: #2C2C2C;
  --teal-light: #404040;
  --white: #FFFFFF;
  --border: #E0D9D0;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 2px 16px rgba(31, 31, 31, 0.07);
  --shadow-hover: 0 8px 32px rgba(31, 31, 31, 0.12);

  --max-width: 1140px;
  --section-padding: 96px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

/* --- LAYOUT HELPERS --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.25;
  color: var(--text);
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: 24px;
  color: var(--teal);
}

.section-intro {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 640px;
  line-height: 1.8;
}

p {
  margin-bottom: 1rem;
}

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

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}

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

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

.btn-primary:hover {
  background-color: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

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

.btn-secondary:hover {
  background-color: var(--teal);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
  margin-top: 24px;
}

/* --- FADE-IN ANIMATIONS --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

.fade-in-delay {
  transition-delay: 0.15s;
}

/* ===========================================
   NAVIGATION
   =========================================== */
.nav-wrapper {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(248, 245, 240, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo {
  flex-shrink: 0;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  line-height: 1;
}

.nav-logo-text {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 700;
  color: var(--teal);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-logo-subtitle {
  display: block;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 4px;
  line-height: 1;
}

.nav-logo-img {
  height: clamp(9rem, 16vw, 14rem);
  width: auto;
  margin-left: -34px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 8px 14px;
  border-radius: 50px;
  transition: color 0.2s ease, background-color 0.2s ease;
  text-decoration: none;
}

.nav-link:hover {
  color: var(--teal);
  background-color: var(--bg-alt);
}

.nav-link.nav-cta {
  background-color: var(--accent);
  color: var(--white);
  padding: 8px 20px;
}

.nav-link.nav-cta:hover {
  background-color: var(--accent-dark);
  color: var(--white);
}

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

/* Hamburger button */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: 6px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--teal);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===========================================
   HERO
   =========================================== */
.hero {
  padding: 80px 0 96px;
  overflow: hidden;
}

.hero-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: stretch;
}

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

.hero-body {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.hero-eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero-identity {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: -20px;
}

.hero-title {
  font-size: clamp(1.375rem, 2.4vw, 1.875rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--teal);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.hero-subtitle {
  font-size: 1rem;
  color: var(--text);
  line-height: 1.75;
  margin-bottom: 12px;
  font-weight: 400;
}

.hero-intro {
  font-size: 1rem;
  color: var(--text);
  line-height: 1.75;
  margin-bottom: 28px;
  font-weight: 400;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: 28px;
  margin-bottom: 24px;
}

.hero-note {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.6;
  font-style: italic;
}

/* Hero photo */
.hero-photo-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background-color: var(--bg-alt);
}

.hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  border-radius: var(--radius-lg);
}

.hero-placeholder-img {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg-alt) 0%, #DDD5C8 100%);
  border-radius: var(--radius-lg);
  border: 2px dashed var(--border);
}

.hero-placeholder-img span {
  font-size: 1rem;
  color: var(--text-muted);
  font-style: italic;
}

/* ===========================================
   BENEFITS
   =========================================== */
.benefits {
  padding: var(--section-padding) 0;
  background-color: var(--white);
}

.benefits .section-title {
  text-align: center;
  margin-bottom: 56px;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.benefit-card {
  background-color: var(--bg);
  border-radius: var(--radius);
  padding: 36px 28px;
  border: 1px solid var(--border);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.benefit-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--accent);
}

.benefit-icon {
  width: 44px;
  height: 44px;
  color: var(--accent);
  margin-bottom: 20px;
}

.benefit-icon svg {
  width: 100%;
  height: 100%;
}

.benefit-card h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--teal);
  font-family: var(--font-body);
  line-height: 1.4;
}

.benefit-card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ===========================================
   EXPERTISE / OSAAMINEN
   =========================================== */
.expertise {
  padding: var(--section-padding) 0;
  background-color: var(--bg);
}

.expertise-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.expertise-text p {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}

.expertise-list {
  margin-top: 24px;
}

.expertise-list-title {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}

.skills-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 14px;
  font-size: 1rem;
  color: var(--text);
  line-height: 1.6;
}

.skills-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent);
  flex-shrink: 0;
}

/* ===========================================
   SERVICES / TARJOAMA
   =========================================== */
.services {
  padding: var(--section-padding) 0;
  background-color: var(--teal);
}

.services .section-title {
  color: var(--white);
}

.services .section-intro {
  color: rgba(255, 255, 255, 0.75);
}

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

.services .section-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 48px;
}

.services-header-text {
  flex: 1;
}

.services-logo {
  height: clamp(4.5rem, 8vw, 7rem);
  width: auto;
  flex-shrink: 0;
  opacity: 0.85;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  transition: background-color 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(184, 107, 75, 0.6);
  transform: translateY(-4px);
}

.service-card-cta {
  margin-top: auto;
  padding-top: 20px;
  align-self: flex-start;
  padding: 10px 22px;
  font-size: 0.875rem;
  border-color: rgba(255, 255, 255, 0.35);
  color: rgba(255, 255, 255, 0.7);
}

.service-card-cta:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.65);
  color: var(--white);
  transform: translateY(-1px);
}

.service-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.6;
  line-height: 1;
  margin-bottom: 16px;
}

.service-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 16px;
  font-family: var(--font-display);
  line-height: 1.3;
}

.service-description {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.75;
  margin-bottom: 24px;
}

.service-includes {
  margin-bottom: 24px;
}

.service-includes-title {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.service-includes ul li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

.service-includes ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.75rem;
  top: 1px;
}

.service-fit {
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.service-fit p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.65;
  margin-bottom: 0;
}

.service-fit strong {
  color: rgba(255, 255, 255, 0.9);
}

/* ===========================================
   PROCESS / TAPA TOIMIA
   =========================================== */
.process {
  padding: var(--section-padding) 0;
  background-color: var(--white);
}

.process .section-title {
  text-align: center;
  margin-bottom: 64px;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--teal));
  opacity: 0.2;
  z-index: 0;
}

.process-step {
  position: relative;
  z-index: 1;
  text-align: center;
}

.process-step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--bg);
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0 auto 20px;
}

.process-step-content h3 {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--teal);
  margin-bottom: 10px;
  line-height: 1.4;
}

.process-step-content p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 0;
}

/* ===========================================
   ABOUT / TAUSTA
   =========================================== */
.about {
  padding: var(--section-padding) 0;
  background-color: var(--bg);
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about-text p {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-credentials {
  margin-top: 16px;
}

.credentials-title {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
}

.credentials-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 28px;
  font-size: 1.0625rem;
  color: var(--text);
  line-height: 1.75;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.credentials-list li:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.credential-dot {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent);
  margin-top: 7px;
}

/* ===========================================
   FOR WHOM / KENELLE
   =========================================== */
.for-whom {
  padding: var(--section-padding) 0;
  background-color: var(--white);
}

.for-whom-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.for-whom-header {
  margin-top: -16px;
}

.for-whom-header p {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-top: 8px;
}

.for-whom-intro {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.for-whom-checklist li {
  position: relative;
  padding: 14px 14px 14px 44px;
  margin-bottom: 8px;
  font-size: 1rem;
  color: var(--text);
  line-height: 1.6;
  background-color: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.for-whom-checklist li:hover {
  border-color: var(--accent);
  background-color: #FDF6F2;
}

.for-whom-checklist li::before {
  content: '✓';
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  background-color: var(--accent);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6875rem;
  font-weight: 700;
  line-height: 20px;
  text-align: center;
}

/* ===========================================
   QUOTE SECTION
   =========================================== */
.quote-section {
  padding: 96px 0;
  background: linear-gradient(135deg, var(--teal) 0%, #1A1A1A 100%);
  text-align: center;
}

.quote-inner {
  max-width: 820px;
  margin: 0 auto;
}

.big-quote {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2.375rem);
  font-weight: 600;
  color: var(--white);
  line-height: 1.4;
  letter-spacing: -0.01em;
  margin-bottom: 32px;
  font-style: normal;
}

.big-quote::before {
  content: '';
}

.big-quote::after {
  content: '';
}

.quote-text {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.75;
  margin-bottom: 0;
}

/* ===========================================
   CONTACT / YHTEYS
   =========================================== */
.contact {
  padding: var(--section-padding) 0;
  background-color: var(--bg);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.contact-text p {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}

.contact-note {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-style: italic;
}


.contact-privacy {
  font-size: 0.8rem;
  color: #9E9E9E;
  line-height: 1.55;
  margin-top: 16px;
  text-align: center;
}

.contact-card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  position: relative;
}

.contact-card-header {
  margin-bottom: 32px;
}

.contact-card-logo {
  position: absolute;
  top: -10px;
  right: 20px;
  height: clamp(8rem, 12vw, 11rem);
  width: auto;
}

.contact-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--teal);
  margin-bottom: 4px;
}

.contact-role {
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.04em;
  margin-bottom: 0;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 4px;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9375rem;
  color: var(--text);
  text-decoration: none;
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background-color: var(--bg);
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.contact-link:hover {
  border-color: var(--accent);
  background-color: #FDF6F2;
  color: var(--accent);
}

.contact-link svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--accent);
}

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

/* ===========================================
   FOOTER
   =========================================== */
.footer {
  background-color: var(--teal);
  padding: 56px 0 32px;
}

.footer-logo {
  height: 80px;
  width: auto;
  display: block;
  margin-bottom: 16px;
  margin-left: -20px;
  mix-blend-mode: screen;
  opacity: 0.9;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 48px;
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 4px;
}

.footer-role {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.footer-tagline {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.footer-mission {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 400px;
  line-height: 1.7;
  margin-bottom: 0;
  font-style: italic;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-end;
}

.footer-link {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.footer-link:hover {
  color: var(--white);
  border-bottom-color: var(--accent);
}

.footer-link:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.4);
  text-align: center;
  margin-bottom: 0;
}

/* ===========================================
   FAQ
   =========================================== */
.faq-section {
  padding: var(--section-padding) 0;
  background-color: var(--white);
}

.faq-section .section-title {
  text-align: center;
  margin-bottom: 48px;
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item:first-child {
  border-top: 1px solid var(--border);
}

.faq-item summary {
  list-style: none;
  padding: 20px 0;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  user-select: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.375rem;
  font-weight: 300;
  color: var(--accent);
  flex-shrink: 0;
  line-height: 1;
  transition: color 0.2s ease;
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item summary:hover {
  color: var(--teal);
}

.faq-answer {
  padding: 0 32px 20px 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 0;
}

/* ===========================================
   CASE STUDY / ESIMERKKI
   =========================================== */
.case-study {
  padding: var(--section-padding) 0;
  background-color: var(--bg-alt);
}

.case-study .section-title {
  margin-bottom: 56px;
}

.case-study-content {
  max-width: 720px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.case-study-part p {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 10px;
}

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

.case-study-result p {
  font-weight: 500;
  color: var(--text);
}

.case-study-label {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.case-study-number-block {
  padding: 16px 20px;
  background-color: var(--white);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.case-study-highlight-intro {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 4px;
}

.case-study-number {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  font-weight: 700;
  color: var(--teal);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 2px;
}

.case-study-number-sub {
  font-size: 0.9375rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.case-study-calc {
  border-top: 1px solid var(--border);
  padding-top: 20px;
}

.case-study-calc p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.9;
  font-family: monospace;
  margin-bottom: 0;
}

/* ===========================================
   RESPONSIVE
   =========================================== */
@media (max-width: 1024px) {
  :root {
    --section-padding: 72px;
  }

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

  .process-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }

  .process-steps::before {
    display: none;
  }
}

@media (max-width: 860px) {
  .services-logo {
    display: none;
  }

  .hero-container {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-image {
    order: -1;
    max-width: 380px;
    margin: 0 auto;
    width: 100%;
  }

  .hero-content {
    text-align: center;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .expertise-inner,
  .about-inner,
  .for-whom-inner,
  .contact-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

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

  .process-steps {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin: 0 auto;
  }

  .process-step {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    text-align: left;
  }

  .process-step-number {
    margin: 0;
    flex-shrink: 0;
  }

  .footer-inner {
    flex-direction: column;
    gap: 32px;
  }

  .footer-links {
    align-items: flex-start;
    flex-direction: row;
    gap: 24px;
  }
}

@media (max-width: 640px) {
  :root {
    --section-padding: 56px;
  }

  .case-study-number-block {
    padding: 28px 24px;
  }

  .contact-card-logo {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 88px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 4px;
    padding: 16px 24px 24px;
    background-color: rgba(248, 245, 240, 0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }

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

  .nav-link {
    padding: 12px 16px;
    font-size: 1rem;
    border-radius: var(--radius);
    width: 100%;
    text-align: center;
  }

  .nav-link.nav-cta {
    margin-top: 4px;
  }

  .hero {
    padding: 56px 0 72px;
  }

  .hero-title {
    font-size: 1.875rem;
  }

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

  .btn {
    padding: 13px 24px;
    font-size: 0.9rem;
  }

  .hero-cta-group {
    flex-direction: column;
    align-items: stretch;
  }

  .contact-card {
    padding: 32px 24px;
  }

  .service-card {
    padding: 28px 24px;
  }
}

/* ===========================================
   ACCESSIBILITY HELPERS
   =========================================== */
@media (prefers-reduced-motion: reduce) {
  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html {
    scroll-behavior: auto;
  }
  .btn,
  .benefit-card,
  .service-card,
  .contact-link,
  .for-whom-checklist li {
    transition: none;
  }
}

/* Skip to main content */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--accent);
  color: var(--white);
  padding: 12px 24px;
  z-index: 9999;
  font-weight: 600;
  border-radius: 0 0 var(--radius) 0;
}

.skip-link:focus {
  top: 0;
}