/* About — Dr. Forward independent page */

:root {
  --ab-orange: #f65009;
  --ab-orange-deep: #d94300;
  --ab-ink: #141213;
  --ab-muted: #5c5c5c;
  --ab-line: #e8e2dc;
  --ab-paper: #f7f4f1;
  --ab-white: #fff;
  --ab-max: min(1120px, 88.8888%);
}

body.df-about {
  background: var(--ab-white);
  color: var(--ab-ink);
}

body.df-about #SampleNav {
  background: #fff;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

body.df-about #GnbNav {
  background: #fff;
}

body.df-about #GnbNav > ul > li a {
  color: #000;
}

body.df-about #GnbNav > ul > li > a.is-current {
  color: var(--ab-orange);
}

/* Hero */
.ab-hero {
  position: relative;
  min-height: min(88vh, 760px);
  display: grid;
  align-items: end;
  overflow: hidden;
  background: #1a1817;
}

.ab-hero__media {
  position: absolute;
  inset: 0;
}

.ab-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 42% 40%;
  display: block;
  filter: saturate(0.92) contrast(1.02);
}

.ab-hero__shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(14, 12, 11, 0.72) 0%, rgba(14, 12, 11, 0.35) 46%, rgba(14, 12, 11, 0.18) 100%),
    linear-gradient(180deg, rgba(14, 12, 11, 0.2) 0%, rgba(14, 12, 11, 0.55) 100%);
  pointer-events: none;
}

.ab-hero__inner {
  position: relative;
  z-index: 1;
  width: var(--ab-max);
  margin: 0 auto;
  padding: 7.5rem 0 4.5rem;
}

.ab-hero__brand {
  margin: 0 0 1.1rem;
  font-family: "Montserrat", Pretendard, sans-serif;
  font-weight: 700;
  font-size: clamp(2.4rem, 6.2vw, 4.4rem);
  letter-spacing: -0.045em;
  line-height: 0.95;
  color: #fff;
}

.ab-hero__lead {
  margin: 0;
  max-width: 28rem;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1.02rem, 2.1vw, 1.28rem);
  line-height: 1.55;
  letter-spacing: -0.02em;
  font-weight: 500;
}

.ab-hero__lead b {
  color: #fff;
  font-weight: 700;
}

/* Shared section shell */
.ab-section {
  padding: clamp(4.5rem, 8vw, 7rem) 0;
}

.ab-section--paper {
  background: var(--ab-paper);
}

.ab-section--ink {
  background: var(--ab-ink);
  color: #fff;
}

.ab-wrap {
  width: var(--ab-max);
  margin: 0 auto;
}

.ab-kicker {
  margin: 0 0 0.75rem;
  font-family: "Montserrat", Pretendard, sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ab-orange);
}

.ab-title {
  margin: 0 0 1rem;
  font-size: clamp(1.7rem, 3.6vw, 2.7rem);
  font-weight: 400;
  line-height: 1.28;
  letter-spacing: -0.03em;
  color: var(--ab-ink);
}

.ab-title b {
  font-weight: 800;
}

.ab-section--ink .ab-title {
  color: #fff;
}

.ab-desc {
  margin: 0;
  max-width: 38rem;
  color: var(--ab-muted);
  font-size: clamp(0.98rem, 1.4vw, 1.08rem);
  line-height: 1.65;
  letter-spacing: -0.015em;
}

.ab-section--ink .ab-desc {
  color: rgba(255, 255, 255, 0.72);
}

/* Points */
.ab-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-top: 2.75rem;
}

.ab-point {
  padding-top: 1.35rem;
  border-top: 1px solid var(--ab-line);
}

.ab-point__num {
  display: block;
  margin-bottom: 0.85rem;
  font-family: "Montserrat", Pretendard, sans-serif;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--ab-orange);
}

.ab-point h3 {
  margin: 0 0 0.7rem;
  font-size: clamp(1.2rem, 2.2vw, 1.45rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.3;
}

.ab-point p {
  margin: 0;
  color: var(--ab-muted);
  font-size: 0.98rem;
  line-height: 1.65;
}

/* Compare */
.ab-compare {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.ab-compare__card {
  padding: clamp(1.5rem, 3vw, 2.1rem);
  border-radius: 22px;
}

.ab-compare__card--us {
  background: linear-gradient(155deg, #ff7a3d 0%, var(--ab-orange) 48%, var(--ab-orange-deep) 100%);
  color: #fff;
  box-shadow: 0 18px 40px rgba(246, 80, 9, 0.28);
}

.ab-compare__card--them {
  background: #fff;
  border: 1px solid var(--ab-line);
}

.ab-compare__label {
  margin: 0 0 1.1rem;
  font-family: "Montserrat", Pretendard, sans-serif;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.85;
}

.ab-compare__card--them .ab-compare__label {
  color: var(--ab-muted);
}

.ab-compare ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.ab-compare li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.98rem;
  line-height: 1.5;
  letter-spacing: -0.015em;
}

.ab-compare li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.55;
}

.ab-compare__card--us li::before {
  background: #fff;
  opacity: 0.9;
}

.ab-compare__card--them li {
  color: var(--ab-muted);
}

/* Place */
.ab-place {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(1.75rem, 4vw, 3.5rem);
  align-items: end;
}

.ab-stat {
  display: grid;
  gap: 1rem;
}

.ab-stat__box {
  padding: 1.35rem 1.4rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.ab-stat__num {
  display: block;
  margin: 0 0 0.35rem;
  font-family: "Montserrat", Pretendard, sans-serif;
  font-weight: 700;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  letter-spacing: -0.04em;
  color: var(--ab-orange);
  line-height: 1;
}

.ab-stat__box p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Manage */
.ab-manage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2.4rem;
}

.ab-manage-card {
  padding: 1.45rem 1.35rem 1.55rem;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--ab-line);
}

.ab-manage-card h3 {
  margin: 0 0 0.45rem;
  font-family: "Montserrat", Pretendard, sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.ab-manage-card .ab-price {
  margin: 0 0 0.9rem;
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--ab-orange);
}

.ab-manage-card .ab-price span {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ab-muted);
}

.ab-manage-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.45rem;
}

.ab-manage-card li {
  color: var(--ab-muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.ab-manage-card--focus {
  background: var(--ab-ink);
  border-color: transparent;
  color: #fff;
}

.ab-manage-card--focus .ab-price {
  color: #fff;
}

.ab-manage-card--focus .ab-price span,
.ab-manage-card--focus li {
  color: rgba(255, 255, 255, 0.7);
}

/* Channels */
.ab-channels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.9rem;
  margin-top: 2.2rem;
}

.ab-channel {
  padding: 1.25rem 1.2rem;
  border-top: 2px solid var(--ab-orange);
  background: rgba(255, 255, 255, 0.04);
}

.ab-channel h3 {
  margin: 0 0 0.45rem;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.ab-channel p {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* CTA */
.ab-cta {
  padding: clamp(4rem, 7vw, 5.5rem) 0;
  background: var(--ab-orange);
  text-align: center;
}

.ab-cta h2 {
  margin: 0 0 0.7rem;
  color: #fff;
  font-size: clamp(1.55rem, 3.4vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.3;
}

.ab-cta p {
  margin: 0 auto 1.6rem;
  max-width: 28rem;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1rem;
  line-height: 1.55;
}

.ab-cta__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.1rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  background: #fff;
  color: var(--ab-orange-deep);
  font-weight: 700;
  text-decoration: none;
  letter-spacing: -0.01em;
}

.ab-cta__btn:hover {
  background: #fff8f4;
}

body.df-about footer {
  background: #0f0e0e;
}

body.df-about footer .e_mp_h,
body.df-about footer .Copyright,
body.df-about footer li {
  color: rgba(255, 255, 255, 0.72);
}

body.df-about .policy_btn {
  color: rgba(255, 255, 255, 0.78);
}

@media (max-width: 900px) {
  .ab-points,
  .ab-compare,
  .ab-place,
  .ab-manage-grid,
  .ab-channels {
    grid-template-columns: 1fr;
  }

  .ab-hero {
    min-height: min(78vh, 640px);
  }

  .ab-hero__inner {
    padding: 6.2rem 0 3.2rem;
  }

  .ab-hero__media img {
    object-position: 30% 45%;
  }
}

@media (max-width: 640px) {
  .ab-manage-grid,
  .ab-channels {
    gap: 0.75rem;
  }

  .ab-compare__card,
  .ab-manage-card {
    border-radius: 16px;
  }
}