/* Maths Tutoring Rocks — site-wide polish & motion */

/* ── Header ── */
.shell-header--rock {
  background: color-mix(in srgb, #1a1a1a 92%, transparent);
  border-bottom: 3px solid var(--accent);
  backdrop-filter: blur(14px) saturate(1.2);
}

.shell-header--rock .brand,
.shell-header--rock .brand-text > span {
  color: #fff;
}

.shell-header--rock .brand-text > span {
  opacity: 0.75;
}

.shell-header--rock .site-nav a {
  color: rgba(255, 255, 255, 0.88);
}

.shell-header--rock .site-nav a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.shell-header--rock .site-nav a.is-active {
  color: #fff;
  background: rgba(208, 4, 0, 0.35);
}

.shell-header--rock .site-nav__legacy {
  opacity: 0.55;
  font-size: 0.82rem;
}

.shell-header--rock .nav-toggle {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.shell-header--rock .nav-toggle span {
  background: #fff;
}

@media (max-width: 768px) {
  .shell-header--rock .site-nav {
    background: #1a1a1a;
    border-bottom-color: rgba(255, 255, 255, 0.1);
  }

  .shell-header--rock .site-nav a {
    color: rgba(255, 255, 255, 0.92);
  }
}

.site-nav__cta {
  background: var(--accent) !important;
  color: #fff !important;
  box-shadow: 0 4px 16px rgba(208, 4, 0, 0.35);
}

.site-nav__cta:hover {
  color: #fff !important;
  filter: brightness(1.08);
  background: var(--accent) !important;
}

/* ── Hero ── */
.hero--rock {
  position: relative;
  overflow: hidden;
}

.hero--rock .hero__inner {
  display: grid;
  gap: 1.75rem;
  align-items: center;
}

@media (min-width: 900px) {
  .hero--rock .hero__inner {
    grid-template-columns: 1.15fr 0.85fr;
    text-align: left;
  }
}

.hero--rock .hero__copy {
  position: relative;
  z-index: 2;
}

.hero__visual {
  display: none;
  position: relative;
  z-index: 1;
}

@media (min-width: 900px) {
  .hero__visual {
    display: block;
  }
}

.hero__visual-card {
  background: linear-gradient(145deg, #1a1a1a 0%, #3a0505 55%, #d00400 100%);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  color: #fff;
  box-shadow: var(--shadow-lg);
  transform: rotate(2deg);
}

.hero__visual-card ul {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.hero__visual-card li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.92rem;
  line-height: 1.4;
}

.hero__visual-card .fa-solid {
  width: 1.25rem;
  text-align: center;
  opacity: 0.95;
}

.hero__visual-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 0 0 1.35rem;
}

.hero-stat {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.85rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-soft);
  box-shadow: var(--shadow-sm);
}

.hero-stat .fa-solid {
  color: var(--accent);
  font-size: 0.85rem;
}

.hero--rock h1 {
  background: linear-gradient(135deg, var(--ink) 0%, #5c0202 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

@supports not (background-clip: text) {
  .hero--rock h1 {
    color: var(--ink);
  }
}

/* ── Trust strip ── */
.trust-strip--rock li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.trust-strip--rock li::before {
  display: none;
}

.trust-strip__icon {
  display: grid;
  place-items: center;
  width: 1.65rem;
  height: 1.65rem;
  border-radius: 50%;
  background: var(--accent-faint);
  color: var(--accent);
  flex-shrink: 0;
  font-size: 0.72rem;
}

/* ── Credentials ── */
.credentials--rock .credentials__item {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.credentials--rock .credentials__item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.credentials__icon {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--accent-faint);
  color: var(--accent);
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

/* ── Cards hover lift ── */
.platform-card,
.pricing-card,
.package-card,
.card {
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.platform-card:hover,
.pricing-card:hover,
.package-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.platform-card:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
}

.pricing-card--featured {
  position: relative;
  overflow: hidden;
}

.pricing-card--featured::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), #ff6b6b);
}

.pricing-card__icon {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--accent-faint);
  color: var(--accent);
  margin-bottom: 0.65rem;
  font-size: 1rem;
}

/* ── Portal gateway ── */
.rock-portals {
  background: linear-gradient(180deg, var(--paper) 0%, color-mix(in srgb, var(--accent) 4%, var(--surface)) 100%);
  border-block: 1px solid var(--line);
}

.rock-portals__grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

@media (min-width: 640px) {
  .rock-portals__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .rock-portals__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.rock-portal-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.35rem 1.2rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow-sm);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.rock-portal-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
  color: inherit;
}

.rock-portal-card__icon {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #1a1a1a, #d00400);
  color: #fff;
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}

.rock-portal-card__title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  letter-spacing: 0.03em;
  color: var(--ink);
}

.rock-portal-card__text {
  font-size: 0.88rem;
  line-height: 1.45;
  color: var(--muted);
}

.rock-portal-card__arrow {
  margin-top: auto;
  padding-top: 0.5rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent);
}

/* ── CTA band ── */
.rock-cta-band {
  margin: 0;
  padding: clamp(2rem, 5vw, 3rem) var(--space);
  background: linear-gradient(135deg, #1a1a1a 0%, #3a0505 45%, #d00400 100%);
  color: #fff;
  text-align: center;
}

.rock-cta-band__inner {
  max-width: 40rem;
  margin: 0 auto;
}

.rock-cta-band h2 {
  margin: 0 0 0.65rem;
  font-size: clamp(2rem, 4vw, 2.75rem);
  color: #fff;
}

.rock-cta-band p {
  margin: 0 0 1.25rem;
  opacity: 0.92;
  line-height: 1.55;
}

.rock-cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: center;
}

.rock-cta-band .btn--primary {
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
}

.rock-cta-band .btn--ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.45);
}

.rock-cta-band .btn--ghost:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

/* ── Footer ── */
.site-footer--rock {
  background: #1a1a1a;
  color: rgba(255, 255, 255, 0.82);
  border-top: 3px solid var(--accent);
}

.site-footer--rock a {
  color: rgba(255, 255, 255, 0.9);
}

.site-footer--rock a:hover {
  color: #fff;
}

.site-footer--rock .footer-nav a {
  color: rgba(255, 255, 255, 0.78);
}

/* ── Scroll reveal ── */
.rock-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.rock-reveal.is-visible {
  opacity: 1;
  transform: none;
}

.rock-reveal--delay-1 {
  transition-delay: 0.08s;
}

.rock-reveal--delay-2 {
  transition-delay: 0.16s;
}

.rock-reveal--delay-3 {
  transition-delay: 0.24s;
}

.section--reviews .testimonials__grid .card.rock-reveal:nth-child(2) {
  transition-delay: 0.06s;
}

.section--reviews .testimonials__grid .card.rock-reveal:nth-child(3) {
  transition-delay: 0.12s;
}

.section--reviews .testimonials__grid .card.rock-reveal:nth-child(4) {
  transition-delay: 0.18s;
}

.section--reviews .testimonials__grid .card.rock-reveal:nth-child(5) {
  transition-delay: 0.24s;
}

.section--reviews .testimonials__grid .card.rock-reveal:nth-child(6) {
  transition-delay: 0.3s;
}

.section--reviews .testimonials__grid .card.rock-reveal:nth-child(7) {
  transition-delay: 0.36s;
}

.section--reviews .testimonials__grid .card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

.section--reviews .testimonials__grid .card.rock-reveal.is-visible:hover {
  transform: translateY(-4px);
}

/* ── Book page ── */
.session-page--book .session-header--rock {
  background: #1a1a1a;
  border-bottom: 3px solid var(--accent);
}

.session-page--book .session-header--rock .session-brand,
.session-page--book .session-header--rock .session-header__tag {
  color: #fff;
}

.session-page--book .session-header--rock .session-header__tag {
  background: rgba(255, 255, 255, 0.12);
}

.session-main--book {
  max-width: none;
  padding: 0;
  margin: 0;
  flex: 1;
}

.portal-login--book {
  min-height: calc(100dvh - var(--portal-header-height, 4.25rem));
}

.portal-login--book .portal-login__card {
  width: min(100%, 32rem);
}

.book-steps {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
  counter-reset: book-step;
}

.book-steps li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.9rem;
  line-height: 1.45;
}

.book-steps li::before {
  counter-increment: book-step;
  content: counter(book-step);
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  font-size: 0.75rem;
  font-weight: 700;
}

.book-done-icon {
  display: grid;
  place-items: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: rgba(22, 163, 74, 0.12);
  color: #15803d;
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

/* Landing pages: single-column hero */
.landing-hero--rock .hero__inner {
  grid-template-columns: 1fr;
}

.landing-trust--rock {
  margin-top: 0;
}

.landing-hero--rock .hero__actions .btn .fa-solid {
  font-size: 0.85em;
}