/* ============================================
   KIMOTO STUDIO — Design System & Styles
   Premium, calm, professional aesthetic
   Phase 3: Visual quality upgrade
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Colors — warm neutral palette */
  --color-bg: #fafaf9;
  --color-surface: #ffffff;
  --color-surface-alt: #f5f5f3;
  --color-surface-elevated: #ffffff;
  --color-text: #18181b;
  --color-text-secondary: #52525b;
  --color-text-tertiary: #a1a1aa;
  --color-primary: #4f46e5;
  --color-primary-hover: #4338ca;
  --color-primary-light: #eef2ff;
  --color-accent: #6366f1;
  --color-accent-light: #eef2ff;
  --color-border: #e4e4e7;
  --color-border-light: #f4f4f5;
  --color-badge-demo: #fef9c3;
  --color-badge-demo-text: #854d0e;
  --color-success: #059669;

  /* Typography */
  --font-sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", system-ui, sans-serif;
  --font-display: "Inter", "Noto Sans JP", system-ui, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.25rem;
  --font-size-6xl: 4rem;
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height-tight: 1.25;
  --line-height-snug: 1.4;
  --line-height-normal: 1.7;
  --line-height-relaxed: 1.9;
  --letter-spacing-tight: -0.02em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.08em;

  /* Spacing (4px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Borders & Shadows */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.02);
  --shadow-md: 0 4px 24px rgba(0,0,0,0.07);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.09);
  --shadow-xl: 0 24px 64px rgba(0,0,0,0.12);
  --shadow-card: 0 1px 3px rgba(0,0,0,0.03), 0 0 0 1px rgba(0,0,0,0.02);
  --shadow-card-hover: 0 8px 32px rgba(0,0,0,0.08), 0 0 0 1px rgba(0,0,0,0.03);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --max-width: 1120px;
  --max-width-narrow: 800px;
  --header-height: 64px;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

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

/* --- Utility --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

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

/* --- Sections --- */
.section {
  padding: var(--space-20) 0;
}

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

.section__header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section__label {
  font-family: var(--font-display);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.section__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
  margin-bottom: var(--space-4);
}

.section__subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto;
  line-height: var(--line-height-relaxed);
}

.section__footer {
  text-align: center;
  margin-top: var(--space-12);
}

/* --- Fade-in Animation --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Staggered delays for grid children */
.fade-in:nth-child(2) { transition-delay: 0.08s; }
.fade-in:nth-child(3) { transition-delay: 0.16s; }
.fade-in:nth-child(4) { transition-delay: 0.24s; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  white-space: nowrap;
  line-height: 1.5;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 2px 12px rgba(79,70,229,0.25);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  color: #fff;
  box-shadow: 0 4px 20px rgba(79,70,229,0.35);
  transform: translateY(-2px);
}

.btn--outline {
  border: 1.5px solid var(--color-border);
  color: var(--color-text);
  background: var(--color-surface);
}

.btn--outline:hover {
  border-color: var(--color-text);
  color: var(--color-text);
  transform: translateY(-2px);
}

.btn--sm {
  padding: var(--space-2) var(--space-5);
  font-size: var(--font-size-sm);
}

.btn--lg {
  padding: var(--space-4) var(--space-10);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
}

.btn--block {
  width: 100%;
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(250, 250, 249, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.header.is-scrolled {
  border-bottom-color: var(--color-border-light);
  box-shadow: 0 1px 8px rgba(0,0,0,0.04);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  letter-spacing: 0.06em;
}

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

.header__logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  background: var(--color-text);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0;
}

.header__nav {
  display: none;
}

.header__nav-list {
  display: flex;
  gap: var(--space-8);
}

.header__nav-link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.header__nav-link:hover {
  color: var(--color-text);
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-primary);
  transition: width var(--transition-base);
}

.header__nav-link:hover::after {
  width: 100%;
}

.header__cta {
  display: none;
}

/* Mobile menu toggle */
.header__menu-btn {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}

.header__menu-btn span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--color-text);
  border-radius: 1px;
  transition: all var(--transition-base);
}

.header__menu-btn.is-open span:nth-child(1) {
  transform: rotate(45deg) translate(4.5px, 4.5px);
}

.header__menu-btn.is-open span:nth-child(2) {
  opacity: 0;
}

.header__menu-btn.is-open span:nth-child(3) {
  transform: rotate(-45deg) translate(4.5px, -4.5px);
}

/* Mobile nav overlay */
.mobile-nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(250, 250, 249, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  padding: var(--space-8) var(--space-6);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.mobile-nav.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav__link {
  display: block;
  padding: var(--space-5) 0;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border-light);
}

/* --- Hero --- */
.hero {
  position: relative;
  padding-top: calc(var(--header-height) + var(--space-20));
  padding-bottom: var(--space-20);
  text-align: center;
  overflow: hidden;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero > .container {
  position: relative;
  z-index: 1;
}

/* Hero glow blob */
.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -55%);
  width: 600px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(79,70,229,0.08) 0%, rgba(79,70,229,0.03) 40%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.hero__label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}

.hero__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
  margin-bottom: var(--space-6);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.hero__benefit {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-10);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
  margin-bottom: var(--space-6);
}

.hero__note {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

/* Hero background decoration */
.hero__bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero__bg-circle {
  position: absolute;
  border-radius: 50%;
}

.hero__bg-circle--1 {
  width: 600px;
  height: 600px;
  top: -200px;
  right: -200px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.05) 0%, transparent 70%);
}

.hero__bg-circle--2 {
  width: 500px;
  height: 500px;
  bottom: -150px;
  left: -150px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.03) 0%, transparent 70%);
}

/* --- Service Cards --- */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  position: relative;
}

.service-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
}

/* Featured first service card */
.service-card--featured {
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.service-card__badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--color-badge-demo);
  color: var(--color-badge-demo-text);
  font-size: 0.6875rem;
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
  margin-bottom: var(--space-4);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.service-card__icon svg {
  width: 24px;
  height: 24px;
}

.service-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-3);
  letter-spacing: var(--letter-spacing-tight);
}

.service-card__text {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  font-size: var(--font-size-sm);
}

.service-card__list {
  margin-top: var(--space-5);
}

.service-card__list li {
  position: relative;
  padding-left: var(--space-5);
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
}

.service-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-text-tertiary);
}

/* --- Why Cards --- */
.why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.why-card {
  padding: var(--space-8);
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-light);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

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

.why-card__number {
  font-family: var(--font-display);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-tertiary);
  letter-spacing: var(--letter-spacing-wide);
  margin-bottom: var(--space-2);
}

.why-card__tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.625rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.why-card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-3);
  letter-spacing: var(--letter-spacing-tight);
}

.why-card__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* --- Works / Case Studies --- */
.works-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.work-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.work-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
}

/* Featured first work card */
.work-card--featured {
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.work-card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #f5f5f3 0%, #e9e9e7 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.work-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.work-card:hover .work-card__image img {
  transform: scale(1.03);
}

.work-card__image svg {
  width: 40px;
  height: 40px;
  color: var(--color-text-tertiary);
  opacity: 0.4;
}

.work-card__badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  padding: var(--space-1) var(--space-3);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--color-text-secondary);
  font-size: 0.6875rem;
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  letter-spacing: 0.04em;
}

.work-card__body {
  padding: var(--space-6) var(--space-6) var(--space-8);
}

.work-card__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-3);
  letter-spacing: var(--letter-spacing-tight);
}

.work-card__text {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
}

.work-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.work-card__tag {
  padding: var(--space-1) var(--space-3);
  background: var(--color-surface-alt);
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
  border-radius: var(--radius-full);
}

/* --- Pricing --- */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

.pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: relative;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

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

.pricing-card--featured {
  border-color: var(--color-primary);
  box-shadow: 0 2px 12px rgba(79,70,229,0.1);
}

.pricing-card--featured::before {
  content: 'おすすめ';
  position: absolute;
  top: calc(-1 * var(--space-3));
  left: var(--space-6);
  padding: var(--space-1) var(--space-4);
  background: var(--color-primary);
  color: #fff;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
}

.pricing-card__header {
  margin-bottom: var(--space-4);
}

.pricing-card__helper {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-tertiary);
  background: var(--color-surface-alt);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
  letter-spacing: 0.01em;
}

.pricing-card__name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
}

.pricing-card__price {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  letter-spacing: var(--letter-spacing-tight);
}

.pricing-card__price span {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-normal);
  color: var(--color-text-tertiary);
  letter-spacing: var(--letter-spacing-normal);
}

.pricing-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  line-height: var(--line-height-relaxed);
}

.pricing-card__features {
  margin-bottom: var(--space-6);
  flex-grow: 1;
}

.pricing-card__features li {
  padding: var(--space-2) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.pricing-card__features li::before {
  content: '';
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin-top: 3px;
  background: var(--color-success);
  border-radius: 50%;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/10px no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/10px no-repeat;
}

.pricing-card__note {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-4);
  line-height: var(--line-height-relaxed);
}

/* --- Process / Steps --- */
.process-steps {
  max-width: 640px;
  margin: 0 auto;
}

.process-step {
  display: flex;
  gap: var(--space-6);
  position: relative;
  padding-bottom: var(--space-10);
}

.process-step:last-child {
  padding-bottom: 0;
}

.process-step__number {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-text);
  color: #fff;
  font-family: var(--font-display);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.process-step:not(:last-child) .process-step__number::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: calc(100% + var(--space-10) - 36px);
  background: var(--color-border);
  z-index: -1;
}

.process-step__content {
  padding-top: var(--space-1);
}

.process-step__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
}

.process-step__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* --- FAQ --- */
.faq-list {
  max-width: 700px;
  margin: 0 auto;
}

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

.faq-item__question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-5) 0;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  text-align: left;
  gap: var(--space-4);
  transition: color var(--transition-fast);
}

.faq-item__question:hover {
  color: var(--color-text-secondary);
}

.faq-item__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-surface-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-base), background var(--transition-base);
}

.faq-item.is-open .faq-item__icon {
  transform: rotate(45deg);
  background: var(--color-text);
}

.faq-item__icon svg {
  width: 12px;
  height: 12px;
  color: var(--color-text-secondary);
  transition: color var(--transition-base);
}

.faq-item.is-open .faq-item__icon svg {
  color: #fff;
}

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

.faq-item__answer-inner {
  padding-bottom: var(--space-6);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  max-width: var(--max-width-narrow);
  margin: 0 auto;
}

.contact-info__card {
  background: var(--color-surface-alt);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.contact-info__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-3);
  letter-spacing: var(--letter-spacing-tight);
}

.contact-info__text {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-6);
  font-size: var(--font-size-sm);
}

.contact-info__items {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.contact-info__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.contact-info__item svg {
  width: 18px;
  height: 18px;
  color: var(--color-text-tertiary);
  flex-shrink: 0;
}

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

/* --- Footer --- */
.footer {
  background: var(--color-text);
  color: rgba(255,255,255,0.6);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__logo {
  font-family: var(--font-display);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: #fff;
  letter-spacing: 0.06em;
}

.footer__tagline {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.4);
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-6);
}

.footer__link {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.5);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: #fff;
}

.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-top: var(--space-8);
  margin-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.08);
}

.footer__disclaimer {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.3);
}

.footer__copy {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.3);
}

/* --- Sticky Mobile CTA --- */
.sticky-cta {
  display: block;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--color-border-light);
  padding: var(--space-3) var(--space-4);
  z-index: 998;
  transition: opacity var(--transition-base);
}

.sticky-cta__btn {
  display: flex;
  width: 100%;
  padding: var(--space-3) var(--space-6);
  background: var(--color-primary);
  color: #fff;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  box-shadow: 0 2px 12px rgba(79,70,229,0.25);
}

.sticky-cta__btn:hover {
  color: #fff;
}

/* ============================================
   Responsive
   ============================================ */

/* Tablet */
@media (min-width: 640px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .why-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  /* Featured first work card spans full width on tablet */
  .work-card--featured {
    grid-column: 1 / -1;
  }

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

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

  .hero__title {
    font-size: var(--font-size-5xl);
  }
}

/* Desktop */
@media (min-width: 1024px) {
  :root {
    --header-height: 72px;
  }

  .hero {
    padding-top: calc(var(--header-height) + var(--space-32));
    padding-bottom: var(--space-32);
    min-height: 92vh;
  }

  .hero::before {
    width: 800px;
    height: 800px;
  }

  .hero__title {
    font-size: var(--font-size-6xl);
  }

  .hero__subtitle {
    font-size: var(--font-size-xl);
  }

  .section {
    padding: var(--space-32) 0;
  }

  .section__header {
    margin-bottom: var(--space-20);
  }

  .section__title {
    font-size: var(--font-size-4xl);
  }

  .section__subtitle {
    font-size: var(--font-size-lg);
  }

  .header__nav {
    display: block;
  }

  .header__cta {
    display: inline-flex;
  }

  .header__menu-btn {
    display: none;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }

  /* Featured first service card spans full width on desktop */
  .service-card--featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto auto;
    column-gap: var(--space-6);
  }

  .service-card--featured .service-card__icon {
    grid-row: 1 / 3;
    align-self: start;
  }

  .service-card--featured .service-card__title {
    grid-column: 2;
  }

  .service-card--featured .service-card__text {
    grid-column: 2;
  }

  .service-card--featured .service-card__badge {
    grid-column: 1 / -1;
    justify-self: start;
  }

  .service-card--featured .service-card__list {
    grid-column: 1 / -1;
  }

  .why-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
  }

  .works-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
  }

  /* Featured work card: wider on desktop */
  .work-card--featured {
    grid-column: 1 / 3;
  }

  .pricing-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-5);
  }

  .sticky-cta {
    display: none;
  }

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

  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* Large screens */
@media (min-width: 1280px) {
  .hero__bg-circle--1 {
    width: 800px;
    height: 800px;
  }

  .hero__bg-circle--2 {
    width: 700px;
    height: 700px;
  }

  .hero::before {
    width: 1000px;
    height: 1000px;
  }
}