/* Coach Tia — partner landing page
   Built on Perform's shared tokens, typography, and slash geometry. */

.tia-page {
  --tia-shadow: 0 30px 70px rgba(8, 24, 47, 0.2);
  --tia-cut: polygon(
    0 0,
    calc(100% - var(--bevel)) 0,
    100% var(--bevel),
    100% 100%,
    var(--bevel) 100%,
    0 calc(100% - var(--bevel))
  );
}

.tia-page main { overflow: hidden; }
.tia-page .section { padding-block: clamp(5.5rem, 10vw, 9rem); }
.tia-page .site-header { --header-logo-zone: clamp(8.5rem, 16vw, 11.75rem); }
.tia-page .footer-word { letter-spacing: -0.075em; }

/* Hero */
.tia-hero {
  position: relative;
  overflow: hidden;
  min-height: min(950px, 100svh);
  padding-top: calc(76px + clamp(2.75rem, 5.5vw, 5.25rem));
  padding-bottom: clamp(8rem, 12vw, 11rem);
  color: #fff;
  background:
    radial-gradient(70% 80% at 80% 18%, var(--navy-700), transparent 66%),
    linear-gradient(135deg, var(--ink) 0%, var(--navy-900) 55%, var(--navy) 100%);
  isolation: isolate;
}

.tia-hero::after {
  content: "";
  position: absolute;
  z-index: 6;
  right: 0;
  bottom: -1px;
  left: 0;
  height: clamp(48px, 7vw, 105px);
  background: var(--paper);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
}

.tia-hero__grid {
  position: relative;
  z-index: 3;
}

.tia-hero__copy {
  position: relative;
  z-index: 3;
  max-width: min(42rem, 44vw);
}
.tia-hero__copy .display {
  max-width: 12ch;
  margin: 1.4rem 0 1.55rem;
  font-size: clamp(3.3rem, 5.2vw, 5.35rem);
}
.tia-hero__copy .display .hl { display: block; }
.tia-hero__copy .lead { max-width: 38rem; color: #c6d2e6; }

.tia-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.35rem;
}

.tia-hero__proof {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.2rem;
  margin-top: 1.5rem;
  color: var(--mist);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.tia-hero__proof li { display: flex; align-items: center; gap: 0.55rem; }
.tia-hero__proof li::before {
  content: "";
  width: 0.65rem;
  height: 0.3rem;
  background: var(--blue);
  transform: skewX(var(--skew));
}

.tia-hero__media {
  position: absolute;
  z-index: 0;
  inset: 0 0 0 auto;
  width: 60%;
  height: 100%;
}

.tia-hero__video-frame {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background: var(--navy-900);
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 14%);
  mask-image: linear-gradient(to right, transparent 0, #000 14%);
}
.tia-hero__video-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 62%, rgba(8, 24, 47, 0.56) 100%);
}
.tia-hero__video-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.tia-hero__scrim {
  position: absolute;
  z-index: 1;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(
      105deg,
      rgba(7, 20, 40, 0.98) 0%,
      rgba(8, 24, 47, 0.94) 32%,
      rgba(9, 28, 55, 0.68) 58%,
      rgba(11, 42, 82, 0.2) 100%
    ),
    linear-gradient(0deg, rgba(8, 24, 47, 0.68) 0%, rgba(8, 24, 47, 0) 34%);
}

.tia-hero__rail {
  position: absolute;
  z-index: 1;
  display: block;
  background: var(--blue);
  transform: skewX(var(--skew));
}
.tia-hero__rail--one { top: 8.5rem; right: 2rem; width: 38%; height: 1rem; }
.tia-hero__rail--two { right: 2rem; bottom: 7rem; width: 1rem; height: 38%; transform: none; opacity: 0.28; }

.tia-hero__stamp {
  position: absolute;
  z-index: 4;
  right: clamp(1.5rem, 4vw, 4rem);
  bottom: 5.6rem;
  display: grid;
  min-width: 160px;
  padding: 1rem 1.2rem 1.05rem;
  color: var(--ink);
  background: var(--surface);
  clip-path: polygon(0 0, calc(100% - 17px) 0, 100% 17px, 100% 100%, 0 100%);
  filter: drop-shadow(0 22px 22px rgba(0, 0, 0, 0.38));
}
.tia-hero__stamp-label,
.tia-hero__stamp span:last-child {
  color: var(--steel);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.tia-hero__stamp strong { color: var(--navy); font-size: 2.2rem; line-height: 1; letter-spacing: -0.06em; }

.tia-hero__caption {
  position: absolute;
  z-index: 4;
  right: clamp(11rem, 16vw, 16rem);
  bottom: 3.7rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--mist);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.tia-hero__caption > span { color: var(--blue); }
.tia-hero__slash {
  position: absolute;
  z-index: 1;
  top: 29%;
  left: -7rem;
  width: 24rem;
  height: 1.2rem;
  background: var(--blue);
  opacity: 0.12;
  transform: rotate(-68deg) skewX(var(--skew));
}

/* Overlapping stat band */
.tia-stats { position: relative; z-index: 8; margin-top: clamp(-2.2rem, -3vw, -1rem); }
.tia-stats__card {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr 1.2fr 1.35fr;
  background: var(--surface);
  clip-path: polygon(0 0, calc(100% - 32px) 0, 100% 32px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
  filter: drop-shadow(0 22px 32px rgba(8, 24, 47, 0.14));
}
.tia-stat {
  display: flex;
  min-height: 138px;
  flex-direction: column;
  justify-content: center;
  padding: 1.4rem clamp(1rem, 2.6vw, 2.3rem);
  border-right: 1px solid var(--line);
}
.tia-stat:last-child { border-right: 0; }
.tia-stat strong { color: var(--navy); font-size: clamp(2rem, 3.2vw, 3.2rem); line-height: 1; letter-spacing: -0.06em; }
.tia-stat strong small { color: var(--blue); font-size: 0.55em; }
.tia-stat > span {
  margin-top: 0.55rem;
  color: var(--steel);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  line-height: 1.4;
  text-transform: uppercase;
}
.tia-stat--cta { background: var(--navy); }
.tia-stat--cta > span { margin: 0 0 0.45rem; color: var(--mist); }
.tia-stat--cta a { color: #fff; font-size: 0.9rem; font-weight: 800; }
.tia-stat--cta a span { color: var(--blue-300); }

/* Method */
.tia-intro__grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.74fr) minmax(0, 1.12fr);
  gap: clamp(3.5rem, 8vw, 7rem);
  align-items: center;
}
.tia-intro__portrait { position: relative; max-width: 470px; }
.tia-intro__portrait::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -1.3rem;
  right: -1.3rem;
  width: 68%;
  height: 58%;
  background: var(--blue);
  clip-path: polygon(12% 0, 100% 0, 100% 100%, 0 100%);
}
.tia-intro__portrait img {
  width: 100%;
  height: clamp(540px, 67vw, 720px);
  object-fit: cover;
  object-position: 50% 38%;
  clip-path: var(--tia-cut);
  filter: drop-shadow(0 30px 34px rgba(8, 24, 47, 0.2));
}
.tia-intro__portrait-label {
  position: absolute;
  right: -1rem;
  bottom: 1.5rem;
  padding: 0.8rem 1rem;
  color: #fff;
  background: var(--navy);
  font-size: 0.67rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  clip-path: polygon(0 0, calc(100% - 13px) 0, 100% 13px, 100% 100%, 0 100%);
}
.tia-intro__copy .section-title { max-width: 14ch; margin: 1.2rem 0 1.4rem; }
.tia-intro__copy > .lead { max-width: 42rem; }
.tia-principles { margin-top: 2.6rem; border-top: 1px solid var(--line); }
.tia-principle {
  display: grid;
  grid-template-columns: 3.3rem 1fr;
  gap: 1.15rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--line);
}
.tia-principle > span { color: var(--blue); font-size: 0.72rem; font-weight: 800; letter-spacing: 0.12em; }
.tia-principle h3 { margin-bottom: 0.28rem; font-size: 1.05rem; }
.tia-principle p { color: var(--steel); font-size: 0.92rem; }

/* Full-bleed training manifesto */
.tia-manifesto {
  position: relative;
  min-height: clamp(590px, 66vw, 810px);
  display: grid;
  align-items: center;
  color: #fff;
  background: var(--ink);
  overflow: hidden;
}
.tia-manifesto > img,
.tia-manifesto__scrim { position: absolute; inset: 0; width: 100%; height: 100%; }
.tia-manifesto > img { object-fit: cover; object-position: center; }
.tia-manifesto__scrim {
  background:
    linear-gradient(90deg, rgba(8, 24, 47, 0.98) 0%, rgba(8, 24, 47, 0.86) 31%, rgba(8, 24, 47, 0.2) 66%, rgba(8, 24, 47, 0.05) 100%),
    linear-gradient(0deg, rgba(8, 24, 47, 0.48), transparent 48%);
}
.tia-manifesto__content { position: relative; z-index: 2; padding-block: 8rem; }
.tia-manifesto__content .section-title { max-width: 10ch; margin: 1rem 0 1.35rem; font-size: clamp(3rem, 7vw, 6.5rem); }
.tia-manifesto__content .lead { max-width: 34rem; color: #c6d2e6; }

/* Shared section heading */
.tia-section-head {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.65fr);
  gap: 3rem;
  align-items: end;
  margin-bottom: clamp(2.7rem, 6vw, 5rem);
}
.tia-section-head .section-title { margin-top: 0.85rem; }
.tia-section-head > p { color: var(--steel); font-size: 1.04rem; }

/* Programs */
.tia-programs { background: var(--paper); }
.tia-program-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1.3rem, 2.5vw, 2rem);
}
.tia-program {
  grid-column: span 5;
  overflow: hidden;
  background: var(--surface);
  clip-path: var(--tia-cut);
  filter: drop-shadow(0 20px 24px rgba(8, 24, 47, 0.13));
  transition: transform 0.4s var(--ease), filter 0.4s var(--ease);
}
.tia-program--wide { grid-column: span 7; }
.tia-program:hover { transform: translateY(-7px); filter: drop-shadow(0 28px 32px rgba(8, 24, 47, 0.2)); }
.tia-program__media { position: relative; overflow: hidden; }
.tia-program__media::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 45%;
  background: linear-gradient(transparent, rgba(8, 24, 47, 0.62));
}
.tia-program__media img {
  width: 100%;
  height: clamp(240px, 29vw, 350px);
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}
.tia-program:hover .tia-program__media img { transform: scale(1.045); }
.tia-program__media > span {
  position: absolute;
  z-index: 2;
  right: 1rem;
  bottom: 0.8rem;
  color: #fff;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.tia-program__body { position: relative; padding: clamp(1.5rem, 3vw, 2.35rem); }
.tia-program__index {
  position: absolute;
  top: 1.2rem;
  right: 1.4rem;
  color: var(--line);
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.08em;
}
.tia-program__body h3 { max-width: calc(100% - 3.8rem); margin-bottom: 0.7rem; color: var(--navy); font-size: 1.42rem; }
.tia-program__body p { max-width: 38rem; color: var(--steel); }
.tia-program__body ul { display: flex; flex-wrap: wrap; gap: 0.55rem; margin-top: 1.3rem; }
.tia-program__body li {
  padding: 0.46rem 0.65rem;
  color: var(--navy);
  background: var(--paper);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
}
.tia-programs__cta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  margin-top: clamp(2.5rem, 5vw, 4.5rem);
  padding: 1.5rem 1.8rem;
  color: #fff;
  background: var(--navy);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}
.tia-programs__cta p { font-weight: 700; }
.tia-programs__cta .btn { flex: none; }

/* App */
.tia-app {
  position: relative;
  color: #fff;
  background:
    radial-gradient(55% 70% at 78% 48%, var(--navy-700), transparent 76%),
    var(--ink);
}
.tia-app::before {
  content: "";
  position: absolute;
  top: 12%;
  left: -4rem;
  width: 18rem;
  height: 1rem;
  background: var(--blue);
  opacity: 0.12;
  transform: skewX(var(--skew));
}
.tia-app__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(340px, 0.75fr);
  gap: clamp(4rem, 9vw, 8rem);
  align-items: center;
}
.tia-app__copy .section-title { max-width: 12ch; margin: 1.1rem 0 1.35rem; }
.tia-app__copy > .lead { max-width: 36rem; color: #c6d2e6; }
.tia-app__list { display: grid; gap: 0; margin-top: 2.4rem; border-top: 1px solid var(--line-d); }
.tia-app__list li {
  display: grid;
  grid-template-columns: minmax(145px, 0.58fr) 1fr;
  gap: 1.1rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line-d);
}
.tia-app__list b { color: #fff; }
.tia-app__list span { color: var(--mist); font-size: 0.9rem; }
.tia-phones { position: relative; min-height: 650px; }
.tia-phone {
  position: absolute;
  overflow: hidden;
  background: var(--surface);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
  filter: drop-shadow(0 35px 42px rgba(0, 0, 0, 0.45));
}
.tia-phone img,
.tia-phone video { display: block; width: 100%; height: 100%; object-fit: cover; }
.tia-phone img { object-position: top; }
.tia-phone video { object-position: center; }
.tia-phone--back { top: 3.5rem; right: 0; width: 58%; height: 78%; transform: rotate(5deg); opacity: 0.78; }
.tia-phone--front { bottom: 0; left: 3%; z-index: 2; width: 64%; height: 91%; transform: rotate(-3deg); }
.tia-phones__badge {
  position: absolute;
  z-index: 4;
  right: -0.5rem;
  bottom: 4.2rem;
  padding: 0.85rem 1rem;
  color: var(--ink);
  background: var(--surface);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}

/* Pricing */
.tia-plans { background: var(--paper); }
.tia-plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1rem, 2vw, 1.5rem); align-items: stretch; }
.tia-plan {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 490px;
  padding: clamp(1.7rem, 3vw, 2.4rem);
  background: var(--surface);
  clip-path: var(--tia-cut);
  filter: drop-shadow(0 18px 24px rgba(8, 24, 47, 0.11));
}
.tia-plan--featured { color: #fff; background: var(--navy); transform: translateY(-1rem); }
.tia-plan__flag {
  position: absolute;
  top: 0;
  right: 0;
  padding: 0.55rem 1rem;
  color: #fff;
  background: var(--blue);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  clip-path: polygon(9px 0, 100% 0, 100% 100%, 0 100%);
}
.tia-plan:not(.tia-plan--featured) .tia-plan__flag { color: var(--blue); background: transparent; }
.tia-plan__term { color: var(--steel); font-size: 0.72rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; }
.tia-plan--featured .tia-plan__term { color: var(--mist); }
.tia-plan__price { display: flex; align-items: flex-end; gap: 0.45rem; margin: 1.5rem 0 0.4rem; }
.tia-plan__price strong { color: var(--navy); font-size: clamp(2.5rem, 4.5vw, 4.2rem); line-height: 0.95; letter-spacing: -0.07em; }
.tia-plan--featured .tia-plan__price strong { color: #fff; }
.tia-plan__price span { padding-bottom: 0.45rem; color: var(--steel); font-size: 0.78rem; font-weight: 700; }
.tia-plan--featured .tia-plan__price span { color: var(--mist); }
.tia-plan > p { color: var(--steel); font-size: 0.78rem; }
.tia-plan--featured > p { color: var(--mist); }
.tia-plan ul { display: grid; gap: 0.75rem; margin: 2rem 0; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.tia-plan--featured ul { border-color: var(--line-d); }
.tia-plan li { display: flex; align-items: center; gap: 0.6rem; font-size: 0.88rem; font-weight: 600; }
.tia-plan li::before { content: ""; width: 0.8rem; height: 0.38rem; background: var(--blue); transform: skewX(var(--skew)); }
.tia-plan__button {
  justify-content: center;
  margin-top: auto;
  color: #fff;
  background: var(--navy);
}
.tia-plan__button::before { background: var(--blue); }
.tia-plan--featured .tia-plan__button { color: var(--ink); background: var(--surface); }
.tia-plan--featured .tia-plan__button::before { background: var(--blue-300); }
.tia-plan__button > span { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.tia-plan__button small { margin-left: 1rem; font-size: 0.64rem; opacity: 0.72; }
.tia-plans__note { margin-top: 1.5rem; color: var(--steel); text-align: center; font-size: 0.75rem; }

/* About */
.tia-about {
  position: relative;
  color: #fff;
  background: var(--ink);
}
.tia-about::after {
  content: "TIA";
  position: absolute;
  right: -0.04em;
  bottom: -0.28em;
  color: rgba(255, 255, 255, 0.035);
  font-size: clamp(14rem, 34vw, 36rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.12em;
  pointer-events: none;
}
.tia-about__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(330px, 0.68fr);
  gap: clamp(3rem, 9vw, 8rem);
  align-items: center;
}
.tia-about__copy .section-title { max-width: 10ch; margin: 1.1rem 0 1.5rem; }
.tia-about__copy .lead { color: #c6d2e6; }
.tia-about__copy > p:not(.lead) { margin-top: 1.2rem; color: var(--mist); }
.tia-about__signoff { display: flex; align-items: center; gap: 1rem; margin-top: 2rem; }
.tia-about__signoff strong { color: var(--blue-300); font-size: 2.2rem; letter-spacing: -0.08em; }
.tia-about__signoff span { padding-left: 1rem; color: var(--mist); border-left: 1px solid var(--line-d); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.tia-about__social { display: inline-flex; gap: 0.55rem; margin-top: 1.7rem; color: #fff; font-weight: 800; }
.tia-about__social span { color: var(--blue); }
.tia-about__portrait { position: relative; margin: 0; }
.tia-about__portrait::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -1.3rem;
  left: -1.3rem;
  width: 46%;
  height: 76%;
  background: var(--blue);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 12% 100%, 0 calc(100% - 16px));
}
.tia-about__portrait img {
  width: 100%;
  height: clamp(570px, 68vw, 750px);
  object-fit: cover;
  object-position: 50% 38%;
  clip-path: var(--tia-cut);
  filter: drop-shadow(0 35px 42px rgba(0, 0, 0, 0.45));
}
.tia-about__portrait figcaption {
  position: absolute;
  right: -1rem;
  bottom: 1.2rem;
  padding: 0.85rem 1rem;
  color: var(--ink);
  background: var(--surface);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}

/* Results */
.tia-results { background: var(--paper); }
.tia-results__head { display: flex; justify-content: space-between; align-items: end; gap: 2rem; margin-bottom: 2.6rem; }
.tia-results__head .section-title { margin-top: 0.85rem; }
.tia-results__controls { display: flex; gap: 0.65rem; }
.tia-results__controls button {
  width: 3.2rem;
  height: 3.2rem;
  color: #fff;
  background: var(--navy);
  font-size: 1.15rem;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  transition: background 0.3s var(--ease), transform 0.3s var(--ease);
}
.tia-results__controls button:hover { background: var(--blue); transform: translateY(-2px); }
.tia-results__track {
  display: flex;
  gap: 1.3rem;
  overflow-x: auto;
  padding: 0.5rem 0 1rem;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}
.tia-results__track::-webkit-scrollbar { display: none; }
.tia-result {
  flex: 0 0 clamp(250px, 27vw, 330px);
  margin: 0;
  overflow: hidden;
  background: var(--surface);
  scroll-snap-align: start;
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  filter: drop-shadow(0 18px 20px rgba(8, 24, 47, 0.11));
}
.tia-result img { width: 100%; height: auto; aspect-ratio: 1; object-fit: contain; }
.tia-result figcaption { display: grid; grid-template-columns: 1fr auto; gap: 0.15rem 0.8rem; padding: 1rem 1.1rem 1.15rem; }
.tia-result strong { color: var(--navy); }
.tia-result span { color: var(--blue); font-size: 0.76rem; font-weight: 800; text-align: right; }
.tia-result small { grid-column: 1 / -1; color: var(--steel); font-size: 0.67rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }

/* FAQ */
.tia-faq { background: var(--surface); }
.tia-faq__grid { display: grid; grid-template-columns: minmax(260px, 0.55fr) minmax(0, 1fr); gap: clamp(3rem, 8vw, 7rem); align-items: start; }
.tia-faq__intro { position: sticky; top: 7rem; }
.tia-faq__intro .section-title { margin: 1rem 0 1.2rem; }
.tia-faq__intro p { color: var(--steel); }
.tia-faq__intro a { display: inline-block; margin-top: 1.5rem; color: var(--blue); font-weight: 800; }
.tia-faq__list { border-top: 1px solid var(--line); }
.tia-faq__list details { border-bottom: 1px solid var(--line); }
.tia-faq__list summary {
  position: relative;
  padding: 1.45rem 3rem 1.45rem 0;
  color: var(--navy);
  font-size: 1.02rem;
  font-weight: 800;
  cursor: pointer;
  list-style: none;
}
.tia-faq__list summary::-webkit-details-marker { display: none; }
.tia-faq__list summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 0;
  width: 1.65rem;
  height: 1.65rem;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--blue);
  transform: translateY(-50%) skewX(var(--skew));
}
.tia-faq__list details[open] summary::after { content: "−"; background: var(--navy); }
.tia-faq__list details p { max-width: 44rem; padding: 0 3rem 1.45rem 0; color: var(--steel); }

/* Final CTA */
.tia-final-cta { padding: clamp(4.5rem, 8vw, 7rem) 0; background: var(--paper); }
.tia-final-cta__card {
  position: relative;
  overflow: hidden;
  padding: clamp(2.8rem, 7vw, 6rem);
  color: #fff;
  background:
    radial-gradient(55% 120% at 100% 50%, var(--navy-700), transparent 75%),
    var(--navy);
  clip-path: polygon(0 0, calc(100% - 42px) 0, 100% 42px, 100% 100%, 42px 100%, 0 calc(100% - 42px));
}
.tia-final-cta__card::after {
  content: "";
  position: absolute;
  top: -7rem;
  right: 8%;
  width: 1.2rem;
  height: 30rem;
  background: var(--blue);
  opacity: 0.42;
  transform: rotate(22deg);
}
.tia-final-cta__card .section-title { max-width: 15ch; margin: 1rem 0 1rem; }
.tia-final-cta__card > p { max-width: 40rem; color: #c6d2e6; }
.tia-final-cta__actions { display: flex; align-items: center; gap: 1.2rem; margin-top: 2rem; }
.tia-final-cta__actions > span { color: var(--mist); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }

@media (max-width: 1080px) {
  .tia-hero__copy .display { font-size: clamp(3.1rem, 6vw, 4.6rem); }
  .tia-stats__card { grid-template-columns: repeat(2, 1fr); }
  .tia-stat:nth-child(2) { border-right: 0; }
  .tia-stat:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .tia-program-grid { gap: 1.2rem; }
  .tia-about__grid { gap: 4rem; }
}

@media (max-width: 920px) {
  .tia-page .section { padding-block: clamp(4.5rem, 11vw, 7rem); }
  .tia-intro__grid,
  .tia-app__grid,
  .tia-about__grid,
  .tia-faq__grid { grid-template-columns: 1fr; }
  .tia-intro__portrait { width: min(78vw, 480px); }
  .tia-intro__portrait img { height: min(118vw, 700px); }
  .tia-manifesto { min-height: 690px; align-items: end; }
  .tia-manifesto > img { object-position: 62% center; }
  .tia-manifesto__scrim { background: linear-gradient(0deg, rgba(8, 24, 47, 0.98) 0%, rgba(8, 24, 47, 0.8) 45%, rgba(8, 24, 47, 0.08) 100%); }
  .tia-manifesto__content { padding-block: 5.5rem; }
  .tia-section-head { grid-template-columns: 1fr; gap: 1.2rem; }
  .tia-program,
  .tia-program--wide { grid-column: span 12; }
  .tia-program__media img { height: clamp(250px, 57vw, 430px); }
  .tia-programs__cta { align-items: flex-start; flex-direction: column; }
  .tia-app__copy { max-width: 44rem; }
  .tia-phones { width: min(88vw, 590px); min-height: 660px; margin-inline: auto; }
  .tia-plan-grid { grid-template-columns: 1fr; max-width: 620px; margin-inline: auto; }
  .tia-plan { min-height: 0; }
  .tia-plan--featured { transform: none; }
  .tia-about__copy { order: 2; }
  .tia-about__portrait { order: 1; width: min(78vw, 480px); justify-self: center; }
  .tia-about__portrait img { height: min(122vw, 730px); }
  .tia-faq__intro { position: static; }
}

@media (max-width: 720px) {
  .tia-hero {
    --mobile-media-height: clamp(680px, 92svh, 800px);
    min-height: auto;
    padding-top: calc(76px + 1.5rem);
    padding-bottom: 8rem;
    background: var(--navy);
  }
  .tia-hero__media {
    inset: 0 0 auto;
    width: 100%;
    height: var(--mobile-media-height);
  }
  .tia-hero__video-frame {
    -webkit-mask-image: linear-gradient(
      to bottom,
      #000 0%,
      #000 78%,
      rgba(0, 0, 0, 0.72) 90%,
      transparent 100%
    );
    mask-image: linear-gradient(
      to bottom,
      #000 0%,
      #000 78%,
      rgba(0, 0, 0, 0.72) 90%,
      transparent 100%
    );
  }
  .tia-hero__video-frame::after {
    background: linear-gradient(180deg, rgba(8, 24, 47, 0.03) 58%, rgba(8, 24, 47, 0.56) 100%);
  }
  .tia-hero__scrim {
    background:
      linear-gradient(
        180deg,
        rgba(8, 24, 47, 0.08) 0%,
        rgba(8, 24, 47, 0.16) 38%,
        rgba(9, 29, 57, 0.42) 60%,
        rgba(14, 47, 92, 0.8) 78%,
        var(--navy) 94%,
        var(--navy) 100%
      ),
      linear-gradient(90deg, rgba(7, 20, 40, 0.34), rgba(8, 24, 47, 0.02));
  }
  .tia-hero__copy {
    max-width: none;
    padding-top: clamp(20rem, 47svh, 23rem);
  }
  .tia-hero__copy .display {
    max-width: 12ch;
    font-size: clamp(3rem, 12vw, 4.8rem);
  }
  .tia-hero__rail,
  .tia-hero__stamp,
  .tia-hero__caption,
  .tia-hero__slash { display: none; }
}

@media (max-width: 620px) {
  .tia-page { --bevel: 17px; }
  .tia-hero__copy .display { font-size: clamp(2.8rem, 14vw, 4.2rem); }
  .tia-hero__actions { display: grid; }
  .tia-hero__actions .btn { justify-content: center; }
  .tia-stats { margin-top: -1.2rem; }
  .tia-stats__card { grid-template-columns: 1fr; }
  .tia-stat { min-height: 108px; border-right: 0; border-bottom: 1px solid var(--line); }
  .tia-stat:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .tia-stat:last-child { border-bottom: 0; }
  .tia-intro__portrait { width: calc(100% - 0.8rem); }
  .tia-intro__portrait img { height: 138vw; max-height: 670px; }
  .tia-intro__portrait-label { right: -0.7rem; }
  .tia-principle { grid-template-columns: 2.3rem 1fr; }
  .tia-manifesto { min-height: 630px; }
  .tia-manifesto__content .section-title { font-size: clamp(2.8rem, 14vw, 4.4rem); }
  .tia-program__media img { height: 68vw; min-height: 235px; }
  .tia-programs__cta .btn { width: 100%; justify-content: center; }
  .tia-app__list li { grid-template-columns: 1fr; gap: 0.35rem; }
  .tia-phones { min-height: 520px; }
  .tia-phones__badge { right: 0; bottom: 2.5rem; }
  .tia-plan__price strong { font-size: 3.4rem; }
  .tia-about__portrait { width: 92%; }
  .tia-about__portrait img { height: 139vw; max-height: 680px; }
  .tia-about__portrait figcaption { right: -0.6rem; }
  .tia-results__head { align-items: flex-start; flex-direction: column; }
  .tia-result { flex-basis: 78vw; }
  .tia-final-cta__card { padding: 2.5rem 1.6rem; }
  .tia-final-cta__actions { align-items: flex-start; flex-direction: column; }
  .tia-final-cta__actions .btn { width: 100%; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  .tia-program,
  .tia-program__media img,
  .tia-results__track { scroll-behavior: auto; transition: none; }
}