/* ==========================================================================
   TaskFlow LP — Stylesheet
   プロジェクト管理SaaS ランディングページ
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Custom Properties
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-primary: #1a6dcc;
  --color-primary-hover: #155baa;
  --color-primary-light: #e8f0fa;
  --color-primary-pale: #f0f5fb;
  --color-navy: #1a2744;
  --color-navy-light: #222d44;
  --color-white: #ffffff;
  --color-gray-50: #f8f9fb;
  --color-gray-100: #f5f6f8;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-600: #666666;
  --color-gray-700: #555555;
  --color-gray-800: #333333;
  --color-accent: #f5a623;
  --color-green: #00a95f;
  --color-red: #e53e3e;

  /* Typography */
  --ff-base: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  --fs-xs: clamp(0.6875rem, 0.6rem + 0.4vw, 0.8125rem);
  --fs-sm: clamp(0.8125rem, 0.75rem + 0.3vw, 0.9375rem);
  --fs-base: clamp(0.875rem, 0.83rem + 0.2vw, 1rem);
  --fs-lg: clamp(1rem, 0.92rem + 0.4vw, 1.25rem);
  --fs-xl: clamp(1.125rem, 0.95rem + 0.6vw, 1.5rem);
  --fs-2xl: clamp(1.375rem, 1.1rem + 1vw, 2rem);
  --fs-3xl: clamp(1.625rem, 1.2rem + 1.5vw, 2.5rem);
  --fs-4xl: clamp(2rem, 1.4rem + 2.2vw, 3rem);
  --lh-tight: 1.35;
  --lh-normal: 1.7;
  --lh-relaxed: 1.85;
  --ls-tight: 0.02em;
  --ls-normal: 0.04em;

  /* Spacing */
  --sp-xs: 0.5rem;
  --sp-sm: 1rem;
  --sp-md: 1.5rem;
  --sp-lg: 2rem;
  --sp-xl: 3rem;
  --sp-2xl: 4rem;
  --sp-3xl: 6rem;
  --sp-4xl: 8rem;

  /* Layout */
  --max-w: 1200px;
  --hero-max-w: 1300px;
  --header-h: 72px;
  --gutter: clamp(20px, 4vw, 40px);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.12);

  /* Radius */
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-xl: 16px;
  --r-full: 9999px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --tr-fast: 0.2s var(--ease-out);
  --tr-base: 0.35s var(--ease-out);
  --tr-slow: 0.6s var(--ease-out);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--ff-base);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  color: var(--color-navy);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

a:hover {
  color: var(--color-primary-hover);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

ul, ol {
  list-style: none;
}

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

h1, h2, h3, h4 {
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   3. Layout Utilities
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: var(--sp-4xl);
}

.section--gray {
  background: var(--color-gray-50);
}

.section--light-blue {
  background: var(--color-primary-pale);
}

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

.section-label {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--sp-xs);
}

.section-title {
  font-size: var(--fs-3xl);
  margin-bottom: var(--sp-sm);
}

.section-subtitle {
  font-size: var(--fs-base);
  color: var(--color-gray-600);
  max-width: 640px;
  margin-inline: auto;
  line-height: var(--lh-relaxed);
}

/* --------------------------------------------------------------------------
   4. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  font-weight: 700;
  font-size: var(--fs-base);
  padding: 0.875em 2em;
  border-radius: var(--r-md);
  transition: all var(--tr-fast);
  white-space: nowrap;
  line-height: 1;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 2px 8px rgba(26, 109, 204, 0.3);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(26, 109, 204, 0.4);
  transform: translateY(-1px);
}

.btn--secondary {
  background: var(--color-white);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--secondary:hover {
  background: var(--color-primary-light);
  color: var(--color-primary-hover);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-white);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn--large {
  font-size: var(--fs-lg);
  padding: 1em 2.5em;
  border-radius: var(--r-lg);
}

.btn--small {
  font-size: var(--fs-sm);
  padding: 0.625em 1.5em;
}

.btn-arrow {
  transition: transform var(--tr-fast);
}

.btn:hover .btn-arrow {
  transform: translateX(3px);
}

/* --------------------------------------------------------------------------
   5. Header
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  transition: box-shadow var(--tr-base);
}

.header.is-scrolled {
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.08);
}

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

.header__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-navy);
  flex-shrink: 0;
}

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

.header__logo svg {
  width: 32px;
  height: 32px;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--sp-lg);
}

.header__nav-link {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-navy);
  position: relative;
  padding-block: 0.25em;
}

.header__nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--tr-base);
}

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

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

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
}

.header__login {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-gray-600);
}

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

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
  z-index: 1010;
}

.hamburger__line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-navy);
  border-radius: 2px;
  transition: all var(--tr-base);
  transform-origin: center;
}

.hamburger.is-active .hamburger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.is-active .hamburger__line:nth-child(2) {
  opacity: 0;
}

.hamburger.is-active .hamburger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-white);
  z-index: 1005;
  padding-top: var(--header-h);
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--tr-base), visibility var(--tr-base);
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu__inner {
  display: flex;
  flex-direction: column;
  gap: var(--sp-xs);
  padding: var(--sp-lg) var(--gutter);
}

.mobile-menu__link {
  display: block;
  padding: var(--sp-sm);
  font-size: var(--fs-lg);
  font-weight: 500;
  color: var(--color-navy);
  border-bottom: 1px solid var(--color-gray-200);
}

.mobile-menu__link:hover {
  color: var(--color-primary);
}

.mobile-menu__actions {
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
  padding-top: var(--sp-lg);
}

/* --------------------------------------------------------------------------
   6. Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding-top: calc(var(--header-h) + var(--sp-4xl));
  padding-bottom: var(--sp-4xl);
  background: linear-gradient(135deg, var(--color-navy) 0%, #1e3a5f 50%, #1a5090 100%);
  overflow: hidden;
  min-height: 600px;
  display: flex;
  align-items: center;
}

/* Decorative SVG shapes */
.hero__deco {
  position: absolute;
  pointer-events: none;
}

.hero__deco--circle1 {
  top: -120px;
  right: -550px;
  width: 1800px;
  height: 1800px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 40%, rgba(59, 150, 240, 0.2), rgba(26, 109, 204, 0.1) 60%, transparent 80%);
  animation: floatSlow 8s ease-in-out infinite;
}

.hero__deco--grid {
  bottom: 10%;
  left: 5%;
  opacity: 0.08;
}

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

.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-2xl);
  align-items: center;
  color: var(--color-white);
}

.hero__left {
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
}

.hero__content {
  text-align: left;
}

.hero__title {
  font-size: var(--fs-3xl);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.03em;
  margin-bottom: var(--sp-md);
}

.hero__subtitle {
  font-size: var(--fs-lg);
  opacity: 0.85;
  line-height: var(--lh-relaxed);
}

.hero__cta {
  display: flex;
  gap: var(--sp-sm);
  flex-wrap: nowrap;
}

.hero__cta .btn {
  flex: 1;
  text-align: center;
  border-radius: 2px;
}

.hero__stats {
  display: flex;
  gap: var(--sp-xl);
  flex-wrap: wrap;
}

.hero__stat {
  position: relative;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 130px;
  height: 114px;
}

.hero__laurel {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.85;
}

.hero__stat-number {
  display: block;
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.2;
  position: relative;
  z-index: 1;
  margin-top: 0.15em;
}

.hero__stat-unit {
  font-size: 0.6em;
  font-weight: 500;
  opacity: 0.85;
}

.hero__stat-label {
  font-size: 0.6875rem;
  opacity: 0.8;
  margin-top: 0.15em;
  position: relative;
  z-index: 1;
  letter-spacing: 0.04em;
}

/* Hero Visual (right column) */
.hero__visual {
  position: relative;
  align-self: stretch;
}

.hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 4px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* --------------------------------------------------------------------------
   7. Logo Strip (Trust Bar)
   -------------------------------------------------------------------------- */
.logo-strip {
  padding-block: var(--sp-2xl);
  background: var(--color-gray-50);
  border-bottom: 1px solid var(--color-gray-200);
}

.logo-strip__heading {
  font-size: var(--fs-xs);
  color: var(--color-gray-600);
  text-align: center;
  margin-bottom: var(--sp-md);
  letter-spacing: 0.08em;
}

.logo-strip__list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1.5rem, 4vw, 3rem);
  flex-wrap: wrap;
}

.logo-strip__item {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 120px;
  height: 40px;
}

/* Logo text base */
.logo-text {
  display: block;
  white-space: nowrap;
  line-height: 1;
  color: #3d4f5f;
}

/* Nextera — Montserrat Bold, geometric */
.logo-text--nextera {
  font-family: "Montserrat", sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* Meridian — Playfair Display Italic, elegant serif */
.logo-text--meridian {
  font-family: "Playfair Display", serif;
  font-size: 1.375rem;
  font-weight: 400;
  font-style: italic;
  letter-spacing: 0.02em;
}

/* Atlas — Montserrat Light, wide tracking */
.logo-text--atlas {
  font-family: "Montserrat", sans-serif;
  font-size: 1.125rem;
  font-weight: 300;
  letter-spacing: 0.28em;
}

/* bridgepoint — DM Mono, tech/developer feel */
.logo-text--bridgepoint {
  font-family: "DM Mono", monospace;
  font-size: 0.9375rem;
  font-weight: 400;
  letter-spacing: 0.01em;
}

/* Vestra — Montserrat SemiBold, solid corporate */
.logo-text--vestra {
  font-family: "Montserrat", sans-serif;
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
}

/* Cordia — Playfair Display, classic serif */
.logo-text--cordia {
  font-family: "Playfair Display", serif;
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

/* --------------------------------------------------------------------------
   8. Features
   -------------------------------------------------------------------------- */
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-lg);
}

.feature-card {
  position: relative;
  background: var(--color-white);
  border-radius: var(--r-xl);
  padding: var(--sp-2xl) var(--sp-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-200);
}

.feature-card__number {
  position: absolute;
  top: -0.5em;
  left: 50%;
  transform: translateX(-50%);
  font-size: 3rem;
  font-weight: 300;
  color: var(--color-primary);
  line-height: 1;
  letter-spacing: 0.02em;
  pointer-events: none;
}

.feature-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 88px;
  height: 88px;
  background: var(--color-primary-light);
  border-radius: 50%;
  margin-bottom: var(--sp-lg);
}

.feature-card__icon svg {
  width: 42px;
  height: 42px;
  color: var(--color-primary);
}

.feature-card__title {
  font-size: var(--fs-xl);
  margin-bottom: var(--sp-sm);
}

.feature-card__text {
  font-size: var(--fs-sm);
  color: var(--color-gray-600);
  line-height: var(--lh-relaxed);
}

/* --------------------------------------------------------------------------
   9. CTA Banner
   -------------------------------------------------------------------------- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, #2b7cd6 100%);
  padding-block: var(--sp-3xl);
  text-align: center;
  color: var(--color-white);
}

.cta-banner__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-lg);
  flex-wrap: wrap;
}

.cta-banner__text {
  font-size: var(--fs-xl);
  font-weight: 700;
}

.cta-banner .btn--ghost {
  border-color: rgba(255, 255, 255, 0.8);
}

.cta-banner .btn--ghost:hover {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

/* --------------------------------------------------------------------------
   10. Stats
   -------------------------------------------------------------------------- */
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-lg);
}

.stat-item {
  text-align: center;
  padding: var(--sp-lg);
}

.stat-item__number {
  font-size: var(--fs-4xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.1;
  margin-bottom: 0.25em;
}

.stat-item__number .stat-item__unit {
  font-size: 0.45em;
  font-weight: 500;
}

.stat-item__label {
  font-size: var(--fs-sm);
  color: var(--color-gray-600);
}

/* --------------------------------------------------------------------------
   11. Case Studies
   -------------------------------------------------------------------------- */
.cases__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-lg);
}

.case-card {
  background: var(--color-white);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-200);
  transition: all var(--tr-base);
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.case-card__image {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-gray-100);
}

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

.case-card:hover .case-card__image img {
  transform: scale(1.05);
}

.case-card__tag {
  position: absolute;
  top: var(--sp-sm);
  left: var(--sp-sm);
  background: var(--color-primary);
  color: var(--color-white);
  font-size: var(--fs-xs);
  font-weight: 700;
  padding: 0.25em 0.75em;
  border-radius: var(--r-full);
}

.case-card__body {
  padding: var(--sp-md) var(--sp-lg);
}

.case-card__company {
  font-size: var(--fs-xs);
  color: var(--color-gray-400);
  margin-bottom: 0.25em;
}

.case-card__title {
  font-size: var(--fs-lg);
  font-weight: 700;
  margin-bottom: var(--sp-xs);
  line-height: var(--lh-tight);
}

.case-card__excerpt {
  font-size: var(--fs-sm);
  color: var(--color-gray-600);
  line-height: var(--lh-normal);
}

.case-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  font-size: var(--fs-sm);
  font-weight: 600;
  margin-top: var(--sp-sm);
  color: var(--color-primary);
}

.case-card__link:hover {
  gap: 0.6em;
}

/* --------------------------------------------------------------------------
   12. Reasons
   -------------------------------------------------------------------------- */
.reasons__list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3xl);
}

.reason {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-2xl);
  align-items: center;
}

.reason:nth-child(even) {
  direction: rtl;
}

.reason:nth-child(even) > * {
  direction: ltr;
}

.reason__visual {
  border-radius: var(--r-xl);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--color-gray-100);
  position: relative;
}

.reason__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* SVG illustration container */
.reason__visual--illustration {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
}

.reason__visual--illustration svg {
  width: 70%;
  max-width: 280px;
  height: auto;
}

.reason__label {
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.12em;
  margin-bottom: var(--sp-xs);
}

.reason__title {
  font-size: var(--fs-2xl);
  margin-bottom: var(--sp-sm);
}

.reason__text {
  font-size: var(--fs-base);
  color: var(--color-gray-600);
  line-height: var(--lh-relaxed);
}

/* --------------------------------------------------------------------------
   13. Pricing
   -------------------------------------------------------------------------- */
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-lg);
  align-items: start;
}

.pricing-card {
  background: var(--color-white);
  border-radius: var(--r-xl);
  padding: var(--sp-2xl) var(--sp-lg);
  text-align: center;
  border: 2px solid var(--color-gray-200);
  transition: all var(--tr-base);
  position: relative;
}

.pricing-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-lg);
}

.pricing-card--recommended {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: scale(1.04);
}

.pricing-card--recommended:hover {
  transform: scale(1.06);
}

.pricing-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-green);
  color: var(--color-white);
  font-size: var(--fs-xs);
  font-weight: 700;
  padding: 0.35em 1.25em;
  border-radius: var(--r-full);
  white-space: nowrap;
}

.pricing-card__name {
  font-size: var(--fs-lg);
  font-weight: 700;
  margin-bottom: var(--sp-xs);
}

.pricing-card__price {
  font-size: var(--fs-3xl);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 0.25em;
}

.pricing-card__price .pricing-card__currency {
  font-size: 0.45em;
  vertical-align: super;
}

.pricing-card__price .pricing-card__period {
  font-size: 0.35em;
  font-weight: 400;
  color: var(--color-gray-600);
}

.pricing-card__desc {
  font-size: var(--fs-sm);
  color: var(--color-gray-600);
  margin-bottom: var(--sp-md);
  padding-bottom: var(--sp-md);
  border-bottom: 1px solid var(--color-gray-200);
}

.pricing-card__features {
  text-align: left;
  margin-bottom: var(--sp-lg);
}

.pricing-card__feature {
  display: flex;
  align-items: flex-start;
  gap: 0.5em;
  padding-block: 0.5em;
  font-size: var(--fs-sm);
  color: var(--color-gray-700);
}

.pricing-card__feature svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 0.15em;
}

.pricing-card__feature--included svg {
  color: var(--color-green);
}

.pricing-card__feature--excluded {
  opacity: 0.4;
}

.pricing-card__feature--excluded svg {
  color: var(--color-gray-400);
}

/* --------------------------------------------------------------------------
   14. FAQ
   -------------------------------------------------------------------------- */
.faq__list {
  max-width: 800px;
  margin-inline: auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-gray-200);
}

.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-sm);
  padding: var(--sp-md) 0;
  text-align: left;
  font-size: var(--fs-lg);
  font-weight: 600;
  color: var(--color-navy);
  cursor: pointer;
  transition: color var(--tr-fast);
}

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

.faq-item__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  transition: transform var(--tr-base);
}

.faq-item.is-open .faq-item__icon {
  transform: rotate(180deg);
}

.faq-item__answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-item.is-open .faq-item__answer {
  max-height: 500px;
}

.faq-item__answer-inner {
  padding-bottom: var(--sp-md);
  font-size: var(--fs-base);
  color: var(--color-gray-600);
  line-height: var(--lh-relaxed);
}

/* --------------------------------------------------------------------------
   15. Footer CTA
   -------------------------------------------------------------------------- */
.footer-cta {
  background: linear-gradient(135deg, var(--color-navy) 0%, #1e3a5f 100%);
  padding-block: var(--sp-3xl);
  color: var(--color-white);
  text-align: center;
}

.footer-cta__title {
  font-size: var(--fs-3xl);
  margin-bottom: var(--sp-sm);
}

.footer-cta__subtitle {
  font-size: var(--fs-base);
  opacity: 0.7;
  margin-bottom: var(--sp-2xl);
  max-width: 520px;
  margin-inline: auto;
}

.footer-cta__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-lg);
  max-width: 900px;
  margin-inline: auto;
}

.footer-cta-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--r-lg);
  padding: var(--sp-lg);
  text-align: center;
  transition: all var(--tr-base);
}

.footer-cta-card:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-3px);
}

.footer-cta-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--r-md);
  margin-bottom: var(--sp-sm);
}

.footer-cta-card__icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-white);
}

.footer-cta-card__title {
  font-size: var(--fs-lg);
  font-weight: 700;
  margin-bottom: 0.5em;
}

.footer-cta-card__text {
  font-size: var(--fs-xs);
  opacity: 0.65;
  line-height: var(--lh-normal);
  margin-bottom: var(--sp-sm);
}

/* --------------------------------------------------------------------------
   16. Footer
   -------------------------------------------------------------------------- */
.footer {
  background: var(--color-navy);
  color: rgba(255, 255, 255, 0.6);
  padding-top: var(--sp-3xl);
  padding-bottom: var(--sp-lg);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--sp-2xl);
  padding-bottom: var(--sp-2xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
}

.footer__logo:hover {
  color: var(--color-white);
}

.footer__logo svg {
  width: 28px;
  height: 28px;
}

.footer__tagline {
  font-size: var(--fs-xs);
  line-height: var(--lh-normal);
}

.footer__col-title {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--sp-sm);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.6em;
}

.footer__link {
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.55);
  transition: color var(--tr-fast);
}

.footer__link:hover {
  color: var(--color-white);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--sp-lg);
  flex-wrap: wrap;
  gap: var(--sp-sm);
}

.footer__copyright {
  font-size: var(--fs-xs);
}

.footer__social {
  display: flex;
  gap: var(--sp-sm);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.6);
  transition: all var(--tr-fast);
}

.footer__social-link:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
}

.footer__social-link svg {
  width: 18px;
  height: 18px;
}

/* --------------------------------------------------------------------------
   17. Scroll Animations
   -------------------------------------------------------------------------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

.fade-in-left {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

.fade-in-right {
  opacity: 0;
  transform: translateX(32px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

/* Stagger children */
.stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

.stagger.is-visible > *:nth-child(1) { transition-delay: 0s; }
.stagger.is-visible > *:nth-child(2) { transition-delay: 0.1s; }
.stagger.is-visible > *:nth-child(3) { transition-delay: 0.2s; }
.stagger.is-visible > *:nth-child(4) { transition-delay: 0.3s; }

.stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   18. Keyframe Animations
   -------------------------------------------------------------------------- */
@keyframes floatSlow {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(2deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

/* --------------------------------------------------------------------------
   19. Responsive — Tablet (max-width: 1024px)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .header__nav {
    display: none;
  }

  .header__login {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-menu {
    display: block;
  }

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

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

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

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

  .pricing-card--recommended {
    transform: scale(1.02);
  }

  .pricing-card--recommended:hover {
    transform: scale(1.04);
  }

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

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

/* --------------------------------------------------------------------------
   20. Responsive — Mobile (max-width: 768px)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  :root {
    --header-h: 60px;
    --sp-3xl: 4rem;
    --sp-4xl: 5rem;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--header-h) + var(--sp-2xl));
    padding-bottom: var(--sp-2xl);
  }

  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--sp-md);
  }

  .hero__left {
    display: contents;
  }

  .hero__content {
    text-align: center;
    order: 1;
  }

  .hero__title {
    font-size: clamp(1.75rem, 1.3rem + 1.5vw, 2.5rem);
  }

  .hero__subtitle {
    font-size: 0.9375rem;
    text-align: left;
  }

  .hero__visual {
    order: 2;
    max-width: 400px;
    margin-inline: auto;
  }

  .hero__cta {
    order: 3;
    justify-content: center;
    flex-wrap: wrap;
  }

  .hero__stats {
    order: 4;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--sp-md);
    width: 100%;
  }

  .hero__stat {
    width: 130px;
  }

  .hero__cta .btn {
    flex: unset;
    width: 100%;
  }

  .hero__deco--circle1 {
    width: 1800px;
    height: 1800px;
    top: -120px;
    right: -550px;
  }

  .features__grid,
  .cases__grid,
  .pricing__grid,
  .stats__grid {
    grid-template-columns: 1fr;
  }

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

  .reason:nth-child(even) {
    direction: ltr;
  }

  .reason__visual {
    max-height: 300px;
  }

  .pricing-card--recommended {
    transform: none;
    order: -1;
  }

  .pricing-card--recommended:hover {
    transform: translateY(-4px);
  }

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

  .footer-cta__grid {
    grid-template-columns: 1fr;
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }

  .cta-banner__inner {
    flex-direction: column;
  }

  .logo-strip__item {
    min-width: 80px;
    height: 32px;
  }

  .logo-text {
    font-size: 85% !important;
  }

  .header__actions .btn {
    font-size: var(--fs-xs);
    padding: 0.6em 1.2em;
  }
}

/* --------------------------------------------------------------------------
   21. Print
   -------------------------------------------------------------------------- */
@media print {
  .header,
  .cta-banner,
  .footer-cta,
  .hamburger,
  .mobile-menu {
    display: none;
  }

  .hero {
    background: var(--color-gray-100);
    color: var(--color-navy);
    padding-top: var(--sp-lg);
  }

  .hero__deco {
    display: none;
  }

  body {
    font-size: 12pt;
  }
}