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

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #eff6ff;
  --accent: #7c3aed;
  --dark: #0f172a;
  --dark-2: #1e293b;
  --gray: #64748b;
  --gray-light: #f1f5f9;
  --border: #e2e8f0;
  --white: #ffffff;
  --success: #10b981;
  --font: 'Noto Sans JP', sans-serif;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,.08);
  --shadow-lg: 0 8px 48px rgba(0,0,0,.12);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--dark);
  line-height: 1.7;
  font-size: 16px;
  background: var(--white);
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

/* ===== TYPOGRAPHY ===== */
.section-title {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 900;
  line-height: 1.3;
  text-align: center;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.section-sub {
  text-align: center;
  color: var(--gray);
  font-size: 1.05rem;
  margin-bottom: 56px;
  line-height: 1.8;
}
.section-title--white, .section-sub--white { color: var(--white); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all .2s;
  white-space: nowrap;
}
.btn--primary {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}
.btn--primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(37,99,235,.35); }
.btn--outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn--outline:hover { background: var(--primary-light); }
.btn--ghost { background: rgba(255,255,255,.15); color: var(--white); border-color: rgba(255,255,255,.4); }
.btn--ghost:hover { background: rgba(255,255,255,.25); }
.btn--lg { padding: 16px 36px; font-size: 1.05rem; border-radius: 10px; }
.btn--block { width: 100%; }

/* ===== HEADER ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header__inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 68px;
}
.logo {
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--dark);
}
.logo span { color: var(--primary); }
.logo--white { color: var(--white); }
.logo--white span { color: #93c5fd; }
.header__nav {
  display: flex;
  gap: 28px;
  margin-left: auto;
}
.header__nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray);
  transition: color .2s;
}
.header__nav a:hover { color: var(--primary); }
.header__cta { display: flex; gap: 10px; }

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #1d4ed8 100%);
  padding: 96px 0 0;
  overflow: hidden;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding-bottom: 80px;
}
.hero__badge {
  display: inline-block;
  background: rgba(255,255,255,.15);
  color: #93c5fd;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 100px;
  letter-spacing: .05em;
  margin-bottom: 20px;
  border: 1px solid rgba(147,197,253,.3);
}
.hero__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.25;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.highlight {
  background: linear-gradient(90deg, #60a5fa, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__sub {
  color: #cbd5e1;
  font-size: 1.05rem;
  line-height: 1.9;
  margin-bottom: 36px;
}
.hero__buttons { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__note { color: #94a3b8; font-size: 0.8rem; margin-top: 12px; }

/* Hero Screen Mock */
.hero__screen {
  background: #1e293b;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,.5);
  border: 1px solid #334155;
}
.screen__bar {
  background: #0f172a;
  padding: 12px 16px;
  display: flex;
  gap: 8px;
  align-items: center;
}
.screen__bar span {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: #334155;
}
.screen__bar span:first-child { background: #ef4444; }
.screen__bar span:nth-child(2) { background: #f59e0b; }
.screen__bar span:nth-child(3) { background: #10b981; }
.screen__content { padding: 28px; }
.screen__row--title {
  font-size: 0.75rem;
  color: #94a3b8;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.screen__row--kw { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.kw-tag {
  background: rgba(37,99,235,.2);
  color: #93c5fd;
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid rgba(37,99,235,.3);
}
.screen__progress { margin-bottom: 24px; }
.progress-bar {
  height: 6px;
  background: #334155;
  border-radius: 100px;
  overflow: hidden;
  margin-bottom: 8px;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #2563eb, #7c3aed);
  border-radius: 100px;
  animation: progress 2s ease-in-out infinite alternate;
}
@keyframes progress { from { width: 60%; } to { width: 90%; } }
.screen__progress span { font-size: 0.78rem; color: #94a3b8; }
.screen__stats { display: flex; gap: 16px; }
.stat {
  flex: 1;
  background: #0f172a;
  border-radius: 10px;
  padding: 14px;
  text-align: center;
}
.stat__num { display: block; font-size: 1.4rem; font-weight: 900; color: var(--white); }
.stat__label { display: block; font-size: 0.72rem; color: #64748b; margin-top: 4px; }

/* Hero Results Bar */
.hero__results {
  background: rgba(0,0,0,.3);
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
}
.results-list {
  display: flex;
  justify-content: center;
  gap: 48px;
  list-style: none;
  flex-wrap: wrap;
}
.results-list li { color: #cbd5e1; font-size: 0.9rem; }
.results-list strong { color: var(--white); margin-right: 6px; }

/* ===== LOGOS ===== */
.logos {
  padding: 48px 0;
  background: var(--gray-light);
  overflow: hidden;
}
.logos__label {
  text-align: center;
  font-size: 0.8rem;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 20px;
}
.logos__track { overflow: hidden; }
.logos__inner {
  display: flex;
  gap: 40px;
  animation: scrollLeft 20s linear infinite;
  width: max-content;
}
@keyframes scrollLeft {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.logo-item {
  white-space: nowrap;
  font-weight: 700;
  color: #94a3b8;
  font-size: 1rem;
  padding: 10px 24px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--white);
}

/* ===== WHY KEYWORD ===== */
.why { padding: 96px 0; background: var(--white); }
.why__grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: center;
  margin-bottom: 56px;
}
.why-card {
  border-radius: var(--radius);
  padding: 32px;
}
.why-card--bad {
  background: #fff5f5;
  border: 2px solid #fecaca;
}
.why-card--good {
  background: #f0fdf4;
  border: 2px solid #bbf7d0;
}
.why-card__label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 12px;
}
.why-card--bad .why-card__label { color: #ef4444; }
.why-card--good .why-card__label { color: var(--success); }
.why-card__icon { font-size: 2rem; margin-bottom: 12px; }
.why-card h3 { font-size: 1.1rem; font-weight: 900; margin-bottom: 10px; line-height: 1.4; }
.why-card p { font-size: 0.88rem; color: var(--gray); line-height: 1.9; }
.why-arrow { font-size: 2rem; color: var(--gray); text-align: center; }

/* keyword example */
.why__example {
  background: var(--gray-light);
  border-radius: var(--radius);
  padding: 32px;
}
.why__example-label {
  text-align: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 24px;
}
.why__example-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
  align-items: center;
}
.example-col__head {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 12px;
  text-align: center;
}
.example-col--bad .example-col__head { color: #ef4444; }
.example-col--good .example-col__head { color: var(--success); }
.example-kw {
  font-size: 0.82rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  margin-bottom: 8px;
}
.example-kw--bad { background: #fee2e2; color: #991b1b; text-decoration: line-through; }
.example-kw--good { background: #dcfce7; color: #166534; }
.example-arrow {
  text-align: center;
  font-size: 1.5rem;
  color: var(--gray);
  line-height: 1.4;
}
.example-arrow span { font-size: 0.75rem; color: var(--gray); display: block; }

/* hero KW list */
.screen__kw-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.screen__kw-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.78rem;
}
.screen__kw-row--win { background: rgba(16,185,129,.12); }
.screen__kw-row--skip { background: rgba(239,68,68,.08); opacity: .6; }
.kw-name { color: #e2e8f0; font-weight: 500; }
.kw-badge { font-size: 0.68rem; font-weight: 700; padding: 2px 8px; border-radius: 100px; white-space: nowrap; }
.kw-badge--easy { background: rgba(16,185,129,.2); color: #6ee7b7; }
.kw-badge--mid { background: rgba(245,158,11,.2); color: #fcd34d; }
.kw-badge--hard { background: rgba(239,68,68,.2); color: #fca5a5; }

/* flow step highlight */
.flow-step--highlight {
  background: rgba(37,99,235,.15);
  border: 1px solid rgba(37,99,235,.3);
}
.flow-step--highlight h3 { color: #93c5fd; }

/* feature tag accent */
.feature-card__tag--accent {
  background: linear-gradient(90deg, var(--primary), var(--accent));
  color: var(--white);
}

/* ===== PROBLEMS ===== */
.problems { padding: 96px 0 80px; }
.problems__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}
.problem-card {
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  transition: all .2s;
}
.problem-card:hover { border-color: #fca5a5; background: #fff5f5; transform: translateY(-2px); }
.problem-card__icon { font-size: 2.5rem; margin-bottom: 12px; }
.problem-card p { font-size: 0.95rem; font-weight: 500; line-height: 1.6; }
.problems__arrow { text-align: center; }
.arrow-down {
  width: 2px;
  height: 48px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
  margin: 0 auto 16px;
  position: relative;
}
.arrow-down::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 12px solid var(--accent);
}
.problems__solution-label {
  font-size: 1.1rem;
  color: var(--gray);
}
.problems__solution-label strong { color: var(--primary); font-size: 1.3rem; }

/* ===== SOLUTION ===== */
.solution {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
  padding: 96px 0;
}
.solution__header { text-align: center; margin-bottom: 64px; }
.solution__flow {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.flow-step {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  width: 200px;
  transition: all .2s;
}
.flow-step:hover { background: rgba(255,255,255,.1); transform: translateY(-4px); }
.flow-step__num {
  font-size: 0.75rem;
  color: #60a5fa;
  font-weight: 700;
  letter-spacing: .1em;
  margin-bottom: 12px;
}
.flow-step__icon { font-size: 2.5rem; margin-bottom: 12px; }
.flow-step h3 { color: var(--white); font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.flow-step p { color: #94a3b8; font-size: 0.82rem; line-height: 1.6; }
.flow-arrow { font-size: 1.5rem; color: #475569; align-self: center; }

/* ===== FEATURES ===== */
.features { padding: 96px 0; background: var(--gray-light); }
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all .2s;
}
.feature-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); border-color: #bfdbfe; }
.feature-card--large {
  grid-column: span 2;
  background: linear-gradient(135deg, #eff6ff 0%, #f5f3ff 100%);
  border-color: #bfdbfe;
}
.feature-card__tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 14px;
  letter-spacing: .03em;
}
.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 900;
  line-height: 1.4;
  margin-bottom: 12px;
  color: var(--dark);
}
.feature-card p { color: var(--gray); font-size: 0.9rem; line-height: 1.8; }
.feature-list {
  list-style: none;
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.feature-list li { font-size: 0.85rem; color: var(--dark-2); font-weight: 500; }

/* ===== NUMBERS ===== */
.numbers { padding: 96px 0; }
.numbers__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.number-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius);
  background: var(--primary-light);
  border: 1px solid #bfdbfe;
}
.number-card__num {
  display: block;
  font-size: 3rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 12px;
}
.number-card__num .unit { font-size: 1.5rem; }
.number-card__label { display: block; font-size: 0.85rem; color: var(--gray); line-height: 1.5; font-weight: 500; }

/* ===== CASES ===== */
.cases { padding: 96px 0; background: var(--gray-light); }
.cases__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.case-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all .2s;
}
.case-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.case-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
  gap: 16px;
}
.case-card__company { font-size: 0.85rem; font-weight: 700; color: var(--gray); }
.case-card__result {
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.1rem;
  font-weight: 900;
  white-space: nowrap;
}
.case-card__body { font-size: 0.9rem; color: var(--dark-2); line-height: 1.8; margin-bottom: 20px; }
.case-card__tags { display: flex; gap: 8px; }
.case-card__tags span {
  background: var(--gray-light);
  color: var(--gray);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
}

/* ===== PRICING ===== */
.pricing { padding: 96px 0; }
.pricing__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; margin-bottom: 32px; }
.pricing__grid--3 { grid-template-columns: repeat(3, 1fr); }

/* 料金モデル */
.pricing__model {
  background: var(--gray-light);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px;
  margin-bottom: 48px;
  text-align: center;
}
.pricing__model-formula {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.formula-block {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 28px;
  min-width: 140px;
}
.formula-block--result {
  background: var(--primary-light);
  border-color: #bfdbfe;
}
.formula-label { display: block; font-size: 0.75rem; color: var(--gray); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 6px; }
.formula-value { display: block; font-size: 1.5rem; font-weight: 900; color: var(--dark); }
.formula-unit { font-size: 0.9rem; font-weight: 400; color: var(--gray); }
.formula-plus, .formula-equals { font-size: 1.8rem; font-weight: 900; color: var(--gray); }
.pricing__model-note { font-size: 0.88rem; color: var(--gray); }

/* per-article price in card */
.pricing-card__per-article {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}
.pricing-card__per-article strong { font-size: 1.6rem; color: var(--primary); }
.pricing-card__example {
  font-size: 0.82rem;
  color: var(--gray);
  background: var(--gray-light);
  border-radius: 6px;
  padding: 6px 12px;
  display: inline-block;
  margin-bottom: 24px;
}

/* single plan */
.pricing__single {
  display: flex;
  justify-content: center;
  margin-bottom: 32px;
}
.pricing-card--single {
  max-width: 560px;
  width: 100%;
  text-align: center;
  border-color: var(--primary);
  box-shadow: 0 8px 32px rgba(37,99,235,.12);
}
.pricing-card--single .pricing-card__price { font-size: 2.4rem; }
.pricing-card__features--grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 24px;
  text-align: left;
  margin-bottom: 28px;
}

/* two-plan layout */
.pricing__two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 840px;
  margin: 0 auto 32px;
}
.pricing-card {
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: 16px;
  padding: 36px 28px;
  position: relative;
  transition: all .2s;
}
.pricing-card--popular {
  border-color: var(--primary);
  box-shadow: 0 8px 32px rgba(37,99,235,.15);
  transform: scale(1.03);
}
.pricing-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 100px;
  white-space: nowrap;
}
.pricing-card__badge--gray {
  background: var(--dark-2);
}
.pricing-card__name { font-size: 1rem; font-weight: 700; color: var(--gray); margin-bottom: 12px; }
.pricing-card__price {
  font-size: 2rem;
  font-weight: 900;
  color: var(--dark);
  margin-bottom: 8px;
  line-height: 1;
}
.pricing-card__price span { font-size: 0.9rem; color: var(--gray); font-weight: 400; }
.pricing-card__desc { font-size: 0.85rem; color: var(--gray); margin-bottom: 24px; }
.pricing-card__features {
  list-style: none;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pricing-card__features li { font-size: 0.88rem; color: var(--dark-2); }
.pricing-card__features li:has(✗) { color: #cbd5e1; }
.pricing__note { text-align: center; font-size: 0.82rem; color: var(--gray); }

/* ===== HOW TO START ===== */
.howto { padding: 96px 0; background: var(--dark); }
.howto .section-title { color: var(--white); }
.howto__steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.howto-step {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  flex: 1;
  min-width: 180px;
  max-width: 220px;
}
.howto-step__num {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--white);
  margin: 0 auto 16px;
}
.howto-step h3 { color: var(--white); font-size: 1rem; font-weight: 700; margin-bottom: 10px; }
.howto-step p { color: #94a3b8; font-size: 0.82rem; line-height: 1.7; }
.howto-step__arrow { font-size: 1.5rem; color: #475569; align-self: center; }

/* ===== FAQ ===== */
.faq { padding: 96px 0; background: var(--gray-light); }
.faq__list { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq-item summary {
  padding: 20px 24px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.95rem;
  transition: background .15s;
}
.faq-item summary:hover { background: var(--primary-light); }
.faq-item summary::after { content: '＋'; color: var(--primary); font-size: 1.2rem; flex-shrink: 0; margin-left: 12px; }
.faq-item[open] summary::after { content: '－'; }
.faq-item p { padding: 0 24px 20px; font-size: 0.9rem; color: var(--gray); line-height: 1.9; }

/* ===== CTA SECTION ===== */
.cta-section { padding: 96px 0; background: linear-gradient(135deg, #1e3a8a, #4c1d95); }
.cta-box { max-width: 680px; margin: 0 auto; text-align: center; }
.cta-box h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 900; color: var(--white); margin-bottom: 12px; }
.cta-box > p { color: #cbd5e1; margin-bottom: 36px; font-size: 0.95rem; }
.cta-form { display: flex; flex-direction: column; gap: 12px; }
.cta-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.cta-form input {
  padding: 14px 18px;
  border-radius: 10px;
  border: 2px solid rgba(255,255,255,.15);
  background: rgba(255,255,255,.1);
  color: var(--white);
  font-size: 0.95rem;
  font-family: var(--font);
  outline: none;
  transition: border-color .2s;
}
.cta-form input::placeholder { color: rgba(255,255,255,.4); }
.cta-form input:focus { border-color: rgba(255,255,255,.5); background: rgba(255,255,255,.15); }
.cta-form__note { color: rgba(255,255,255,.5); font-size: 0.8rem; margin-top: 12px; }

/* ===== FOOTER ===== */
.footer { background: var(--dark); padding: 64px 0 0; }
.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid #1e293b;
}
.footer__brand .logo { display: inline-block; margin-bottom: 16px; font-size: 1.3rem; }
.footer__brand p { color: #64748b; font-size: 0.85rem; line-height: 1.8; }
.footer__col h4 { color: #94a3b8; font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 16px; }
.footer__col a { display: block; color: #475569; font-size: 0.88rem; margin-bottom: 10px; transition: color .15s; }
.footer__col a:hover { color: var(--white); }
.footer__bottom { padding: 20px 0; text-align: center; }
.footer__bottom p { color: #334155; font-size: 0.8rem; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .why__grid { grid-template-columns: 1fr; }
  .why-arrow { transform: rotate(90deg); }
  .why__example-grid { grid-template-columns: 1fr; }
  .example-arrow { transform: rotate(90deg); }
  .header__nav { display: none; }
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { order: -1; }
  .problems__grid { grid-template-columns: repeat(2, 1fr); }
  .features__grid { grid-template-columns: 1fr; }
  .feature-card--large { grid-column: span 1; }
  .numbers__grid { grid-template-columns: repeat(2, 1fr); }
  .cases__grid { grid-template-columns: 1fr; }
  .pricing__grid, .pricing__grid--3, .pricing__two { grid-template-columns: 1fr; }
  .pricing-card__features--grid { grid-template-columns: 1fr; }
  .pricing-card--popular { transform: none; }
  .solution__flow { flex-direction: column; align-items: center; }
  .flow-arrow { transform: rotate(90deg); }
  .howto__steps { flex-direction: column; align-items: center; }
  .howto-step__arrow { transform: rotate(90deg); }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .problems__grid { grid-template-columns: 1fr; }
  .numbers__grid { grid-template-columns: 1fr; }
  .cta-form__row { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
  .results-list { flex-direction: column; align-items: center; gap: 12px; }
  .hero__buttons { flex-direction: column; }
  .header__cta .btn--outline { display: none; }
}