:root {
  --ink: #14201c;
  --ink-soft: #3d4f47;
  --paper: #f4f7f4;
  --paper-deep: #e4ece6;
  --accent: #c45c26;
  --accent-deep: #9a4318;
  --line: rgba(20, 32, 28, 0.12);
  --white: #ffffff;
  --ok: #2f6b4f;
  --radius: 4px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Outfit", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(ellipse 90% 60% at 10% -10%, rgba(196, 92, 38, 0.12), transparent 55%),
    radial-gradient(ellipse 70% 50% at 100% 0%, rgba(47, 107, 79, 0.1), transparent 50%),
    linear-gradient(180deg, #f7faf7 0%, var(--paper) 40%, #eef3ef 100%);
  line-height: 1.55;
}

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

img {
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1.25rem, 4vw, 3rem);
  background: rgba(244, 247, 244, 0.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
}

.brand-name {
  font-size: 1rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.95rem;
  font-weight: 500;
}

.nav a:not(.nav-cta) {
  color: var(--ink-soft);
  transition: color 0.2s ease;
}

.nav a:not(.nav-cta):hover {
  color: var(--ink);
}

.nav-cta {
  padding: 0.55rem 1rem;
  background: var(--ink);
  color: var(--paper) !important;
  transition: background 0.2s ease, transform 0.2s ease;
}

.nav-cta:hover {
  background: var(--accent);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--line);
  background: transparent;
  padding: 0.6rem;
  flex-direction: column;
  justify-content: center;
  gap: 0.4rem;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--ink);
}

.hero {
  min-height: calc(100vh - 4.5rem);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  padding: clamp(2.5rem, 6vw, 5rem) clamp(1.25rem, 4vw, 3rem) clamp(3rem, 7vw, 5rem);
  max-width: 1200px;
  margin: 0 auto;
}

.brand-signal {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.2vw, 2.35rem);
  font-weight: 650;
  letter-spacing: -0.03em;
  color: var(--ink);
  animation: rise 0.8s ease both;
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.035em;
  max-width: 12ch;
  animation: rise 0.8s ease 0.08s both;
}

.hero-lead {
  margin: 0 0 1.75rem;
  max-width: 34ch;
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: var(--ink-soft);
  animation: rise 0.8s ease 0.16s both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  animation: rise 0.8s ease 0.24s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.35rem;
  font-family: var(--font-body);
  font-size: 0.98rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

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

.btn-primary:hover {
  background: var(--accent-deep);
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: var(--ink);
}

.btn-large {
  padding: 1rem 1.6rem;
  font-size: 1.05rem;
}

.hero-visual {
  position: relative;
  min-height: 360px;
  animation: rise 1s ease 0.2s both;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 8% -4% -6% 8%;
  background:
    linear-gradient(135deg, rgba(20, 32, 28, 0.08), transparent 45%),
    repeating-linear-gradient(
      -18deg,
      transparent,
      transparent 14px,
      rgba(20, 32, 28, 0.04) 14px,
      rgba(20, 32, 28, 0.04) 15px
    );
  z-index: 0;
}

.rank-panel {
  position: relative;
  z-index: 1;
  background: var(--ink);
  color: var(--paper);
  padding: 1.25rem 1.35rem 1.5rem;
  box-shadow: 0 24px 60px rgba(20, 32, 28, 0.18);
}

.rank-panel-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.1rem;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0.75;
}

.pulse-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: #7dce9f;
  box-shadow: 0 0 0 0 rgba(125, 206, 159, 0.6);
  animation: pulse 2s ease infinite;
}

.rank-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.rank-item {
  display: grid;
  grid-template-columns: 2.5rem 1fr auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.85rem 0.9rem;
  background: rgba(244, 247, 244, 0.06);
  border: 1px solid rgba(244, 247, 244, 0.08);
  opacity: 0;
  transform: translateY(12px);
  animation: item-in 0.7s ease forwards;
  animation-delay: var(--delay);
}

.rank-item .pos {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: rgba(244, 247, 244, 0.55);
}

.rank-item .kw {
  font-size: 0.95rem;
}

.rank-item .arrow {
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(244, 247, 244, 0.45);
}

.rank-item.is-rising .pos,
.rank-item.is-rising .arrow {
  color: #7dce9f;
}

.rank-item.is-target {
  background: rgba(196, 92, 38, 0.22);
  border-color: rgba(196, 92, 38, 0.45);
}

.rank-item.is-target .pos,
.rank-item.is-target .arrow {
  color: #f0b089;
}

.section {
  padding: clamp(4rem, 9vw, 6.5rem) clamp(1.25rem, 4vw, 3rem);
  max-width: 1100px;
  margin: 0 auto;
}

.section-alt {
  max-width: none;
  background: linear-gradient(180deg, rgba(228, 236, 230, 0.65), rgba(244, 247, 244, 0.2));
  border-block: 1px solid var(--line);
}

.section-alt .section-head,
.section-alt .benefit-grid {
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
}

.section-alt .section-head {
  padding-inline: 0;
}

.section-head {
  max-width: 36rem;
  margin-bottom: clamp(2rem, 5vw, 3rem);
}

.section-head h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 3.5vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.section-head p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  counter-reset: none;
}

.step {
  padding-top: 1.25rem;
  border-top: 2px solid var(--ink);
}

.step-num {
  display: block;
  margin-bottom: 1rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.step h3 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 650;
}

.step p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem 2rem;
}

.benefit {
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
}

.benefit h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 650;
}

.benefit p {
  margin: 0;
  color: var(--ink-soft);
}

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: clamp(2rem, 5vw, 3rem);
  background: var(--ink);
  color: var(--paper);
}

.cta-copy h2 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  letter-spacing: -0.03em;
  max-width: 16ch;
}

.cta-copy p {
  margin: 0;
  max-width: 36ch;
  color: rgba(244, 247, 244, 0.72);
}

.cta-band .btn-primary {
  flex-shrink: 0;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.75rem clamp(1.25rem, 4vw, 3rem) 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ink);
  font-weight: 600;
}

.footer-brand .brand-mark {
  width: 1.6rem;
  height: 1.6rem;
  font-size: 0.85rem;
}

.site-footer a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes item-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(125, 206, 159, 0.55);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(125, 206, 159, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(125, 206, 159, 0);
  }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero h1 {
    max-width: none;
  }

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

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

  .cta-band {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  .nav {
    position: fixed;
    inset: 4.2rem 1rem auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border: 1px solid var(--line);
    padding: 0.5rem;
  }

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

  .nav a {
    padding: 0.85rem 1rem;
  }

  .nav-cta {
    text-align: center;
  }

  .nav-toggle {
    display: flex;
  }
}