/* R5 Academy — Home page */

/* ============================================================
   HERO
   ============================================================ */

.hero {
  position: relative;
  display: flex;
  align-items: center;
  padding: var(--sp-7) 0 var(--sp-8);
  overflow: hidden;
}

/* Giant background "5" */
.hero__megafive {
  position: absolute;
  right: -8%;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28rem, 50vw, 48rem);
  line-height: 0.8;
  color: transparent;
  -webkit-text-stroke: 1px rgba(0, 124, 255, 0.18);
  letter-spacing: -0.05em;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}
.hero__megafive::before {
  content: '5';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,124,255,0.10) 0%, transparent 70%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Animated speedlines */
.hero__speedlines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  z-index: 1;
}
.hero__speedlines span {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyber-bright) 50%, transparent);
  animation: speedline 4s linear infinite;
  opacity: 0;
}
.hero__speedlines span:nth-child(1) { top: 22%; left: 0; width: 30%; animation-delay: 0s; }
.hero__speedlines span:nth-child(2) { top: 38%; left: 10%; width: 22%; animation-delay: 0.7s; }
.hero__speedlines span:nth-child(3) { top: 62%; left: -5%; width: 38%; animation-delay: 1.4s; }
.hero__speedlines span:nth-child(4) { top: 78%; left: 8%; width: 26%; animation-delay: 2.1s; }
.hero__speedlines span:nth-child(5) { top: 14%; left: 5%; width: 18%; animation-delay: 2.8s; }

@keyframes speedline {
  0% { transform: translateX(-100%); opacity: 0; }
  10% { opacity: 1; }
  60% { opacity: 1; }
  100% { transform: translateX(800px); opacity: 0; }
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--sp-8);
  align-items: end;
}
@media (max-width: 980px) {
  .hero__inner { grid-template-columns: 1fr; gap: var(--sp-6); }
}

.hero__content { max-width: 760px; }

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyber-bright);
}
.hero__eyebrow::before {
  content: '';
  width: 40px;
  height: 1px;
  background: var(--cyber);
}
.hero__eyebrow::after {
  content: 'R5/01';
  padding: 4px 10px;
  border: 1px solid var(--cyber-deep);
  background: var(--cyber-soft);
  border-radius: var(--r-xs);
  letter-spacing: 0.16em;
  color: var(--cyber-bright);
}

.hero__title {
  font-size: clamp(2.75rem, 7vw, 6rem);
  line-height: 0.95;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: var(--sp-5);
}
.hero__title .line { display: block; overflow: hidden; }
.hero__title .word {
  display: inline-block;
  background: linear-gradient(180deg, #FFFFFF 0%, #B3BCCC 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.hero__title .word.cyber {
  background: linear-gradient(180deg, var(--cyber-electric) 0%, var(--cyber) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__lead {
  font-size: var(--fs-md);
  line-height: 1.6;
  color: var(--chrome-bright);
  max-width: 620px;
  margin-bottom: var(--sp-6);
}

.hero__ctas {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
  align-items: center;
}

.hero__meta {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  align-items: end;
}
@media (max-width: 980px) {
  .hero__meta { align-items: start; flex-direction: row; flex-wrap: wrap; }
}

.hero__stat {
  text-align: right;
  border-right: 1px solid var(--cyber-deep);
  padding-right: var(--sp-4);
}
@media (max-width: 980px) {
  .hero__stat { text-align: left; border-right: none; border-left: 1px solid var(--cyber-deep); padding-left: var(--sp-4); padding-right: 0; }
}
.hero__stat .val {
  font-family: var(--font-display);
  font-size: var(--fs-3xl);
  font-weight: 700;
  color: var(--white-cold);
  line-height: 1;
  background: var(--grad-chrome);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero__stat .label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--chrome);
  margin-top: var(--sp-1);
  display: block;
}

/* Hero entrance animation */
.hero__title .word, .hero__lead, .hero__ctas, .hero__meta {
  opacity: 0;
  animation: hero-rise 900ms var(--ease-out-strong) forwards;
}
.hero__title .word { animation-delay: 0.15s; }
.hero__title .word.cyber { animation-delay: 0.35s; }
.hero__title .line:nth-child(2) .word { animation-delay: 0.45s; }
.hero__title .line:nth-child(3) .word { animation-delay: 0.55s; }
.hero__lead { animation-delay: 0.7s; }
.hero__ctas { animation-delay: 0.85s; }
.hero__meta { animation-delay: 0.95s; }
.hero__eyebrow { opacity: 0; animation: hero-rise 600ms var(--ease-out-strong) 0.05s forwards; }

@keyframes hero-rise {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   TRUST STRIP
   ============================================================ */

.trust-strip {
  border-top: 1px solid var(--titanium-border);
  border-bottom: 1px solid var(--titanium-border);
  padding: var(--sp-5) 0;
  background: var(--carbon-0);
}
.trust-strip__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-5);
}
@media (max-width: 700px) {
  .trust-strip__inner { grid-template-columns: repeat(2, 1fr); }
}
.trust-item {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  padding: 0 var(--sp-3);
  border-left: 1px solid var(--titanium-border);
}
.trust-item:first-child { border-left: none; }
@media (max-width: 700px) {
  .trust-item:nth-child(3) { border-left: none; }
}
.trust-item .val {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--white-cold);
  line-height: 1;
}
.trust-item .label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--chrome);
}

/* ============================================================
   5 PILLARS
   ============================================================ */

.pillars { position: relative; }
.pillars__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border: 1px solid var(--titanium-border);
  background: var(--titanium-border);
}
@media (max-width: 980px) { .pillars__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .pillars__grid { grid-template-columns: 1fr; } }

.pillar {
  background: var(--carbon-1);
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  position: relative;
  transition: background var(--dur-mid) var(--ease-out-strong);
  min-height: 280px;
}
.pillar:hover {
  background: linear-gradient(180deg, rgba(0,124,255,0.07) 0%, var(--carbon-1) 80%);
}
.pillar__num {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: 700;
  background: var(--grad-chrome);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}
.pillar__code {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyber-bright);
  padding: 4px 8px;
  border: 1px solid var(--cyber-deep);
  background: var(--cyber-soft);
  border-radius: var(--r-xs);
  align-self: flex-start;
}
.pillar__title {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--white-cold);
  line-height: 1.1;
}
.pillar__desc { font-size: var(--fs-sm); color: var(--chrome-bright); line-height: 1.55; }

/* ============================================================
   ARCHITECTURE (Brand structure)
   ============================================================ */

.architecture {
  position: relative;
  background: linear-gradient(180deg, var(--carbon-1) 0%, var(--carbon-2) 100%);
  padding: var(--sp-9) 0;
  border-top: 1px solid var(--titanium-border);
  border-bottom: 1px solid var(--titanium-border);
}
.arch__diagram {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  margin-top: var(--sp-7);
}
.arch__hub {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-5) var(--sp-6);
  background: var(--grad-cyber);
  border: 1px solid var(--cyber-bright);
  box-shadow: var(--sh-cyber);
  position: relative;
  z-index: 3;
}
.arch__hub img { height: 36px; }
.arch__hub-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-md);
  color: var(--white-cold);
  letter-spacing: 0.04em;
}
.arch__hub-tag {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.9);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  display: block;
}

.arch__connector {
  width: 1px;
  height: 60px;
  background: linear-gradient(180deg, var(--cyber-bright) 0%, var(--titanium-border) 100%);
  position: relative;
}
.arch__connector::before,
.arch__connector::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 220px;
  height: 1px;
  background: var(--titanium-border);
}
.arch__connector::before { right: 0; }
.arch__connector::after { left: 0; }

.arch__divisions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-7);
  width: 100%;
  max-width: 720px;
}
@media (max-width: 640px) {
  .arch__divisions { grid-template-columns: 1fr; gap: var(--sp-4); }
  .arch__connector::before, .arch__connector::after { display: none; }
}
.arch__div {
  padding: var(--sp-6);
  background: var(--grad-panel);
  border: 1px solid var(--titanium-border);
  text-align: center;
  position: relative;
  transition: border-color var(--dur-mid);
}
.arch__div:hover { border-color: var(--cyber-deep); }
.arch__div::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  border: 1px solid var(--cyber);
  background: var(--carbon-1);
  border-radius: 50%;
}
.arch__div::after {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 8px;
  background: var(--cyber);
}
.arch__div-code {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--chrome);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: var(--sp-2);
}
.arch__div-title {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--white-cold);
}
.arch__div-sub { font-size: var(--fs-sm); color: var(--chrome-bright); margin-top: var(--sp-2); }

/* ============================================================
   PRODUCTS SHOWCASE
   ============================================================ */

.products { position: relative; }
.products__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--sp-4);
  align-items: stretch;
}
@media (max-width: 1100px) { .products__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .products__grid { grid-template-columns: 1fr; } }

.product-card.featured {
  background: linear-gradient(180deg, rgba(0,124,255,0.12) 0%, var(--carbon-2) 60%);
  border-color: var(--cyber);
  box-shadow: 0 0 0 1px rgba(0,124,255,0.15), 0 20px 48px -16px rgba(0,124,255,0.35);
}
.product-card.featured::before { opacity: 1; }
.product-card.featured .product-card__title { font-size: var(--fs-2xl); }
.product-card.featured .ribbon {
  position: absolute;
  top: 16px;
  right: -8px;
  background: var(--grad-cyber);
  color: var(--white-cold);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 6px 16px;
  font-weight: 700;
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  z-index: 2;
}

.product-card__features {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
}
.product-card__features li {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
  font-size: var(--fs-sm);
  color: var(--chrome-bright);
}
.product-card__features li::before {
  content: '';
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 3px;
  background: var(--cyber);
  clip-path: polygon(20% 50%, 0 70%, 40% 100%, 100% 30%, 80% 10%, 40% 60%);
}

/* ============================================================
   INSTRUCTOR
   ============================================================ */

.instructor {
  background: linear-gradient(180deg, var(--carbon-1) 0%, var(--carbon-0) 100%);
  border-top: 1px solid var(--titanium-border);
}
.instructor__grid {
  display: grid;
  grid-template-columns: minmax(0, 360px) 1fr;
  gap: var(--sp-8);
  align-items: center;
}
@media (max-width: 800px) { .instructor__grid { grid-template-columns: 1fr; } }
.instructor__photo {
  position: relative;
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--cyber-deep) 0%, var(--carbon-2) 100%);
  border: 1px solid var(--cyber-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.instructor__photo::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, transparent 50%, rgba(0,124,255,0.6) 50%);
  z-index: 3;
  pointer-events: none;
}
.instructor__badges {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
  margin-bottom: var(--sp-4);
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-4);
}
@media (max-width: 900px) { .testimonials__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .testimonials__grid { grid-template-columns: 1fr; } }

.testimonial {
  padding: var(--sp-5);
  background: var(--carbon-2);
  border: 1px solid var(--titanium-border);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  position: relative;
}
.testimonial::before {
  content: '"';
  position: absolute;
  top: -8px;
  left: var(--sp-4);
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--cyber);
  line-height: 1;
  opacity: 0.5;
}
.testimonial__text {
  font-size: var(--fs-sm);
  line-height: 1.65;
  color: var(--chrome-bright);
  flex: 1;
}
.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding-top: var(--sp-3);
  border-top: 1px solid var(--titanium-border);
}
.testimonial__avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--grad-cyber);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--white-cold);
}
.testimonial__name {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--white-cold);
}
.testimonial__role {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--chrome);
  letter-spacing: 0.08em;
}

/* ============================================================
   FAQ
   ============================================================ */

.faq__list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  max-width: 880px;
  margin: 0 auto;
}
.faq__item {
  background: var(--carbon-2);
  border: 1px solid var(--titanium-border);
  overflow: hidden;
  transition: border-color var(--dur-fast);
}
.faq__item[open] { border-color: var(--cyber-deep); }
.faq__q {
  padding: var(--sp-5);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-md);
  color: var(--white-cold);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q::after {
  content: '+';
  font-family: var(--font-mono);
  font-size: var(--fs-lg);
  color: var(--cyber-bright);
  transition: transform var(--dur-fast);
}
.faq__item[open] .faq__q::after { content: '–'; }
.faq__a {
  padding: 0 var(--sp-5) var(--sp-5);
  color: var(--chrome-bright);
  line-height: 1.65;
}
.faq__a p { color: var(--chrome-bright); }

/* ============================================================
   FINAL CTA
   ============================================================ */

.final-cta {
  position: relative;
  padding: var(--sp-9) 0;
  background:
    radial-gradient(ellipse 60% 80% at 50% 50%, rgba(0,124,255,0.18) 0%, transparent 70%),
    linear-gradient(180deg, var(--carbon-1) 0%, var(--carbon-0) 100%);
  text-align: center;
  border-top: 1px solid var(--titanium-border);
  overflow: hidden;
}
.final-cta::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 10%, var(--cyber) 50%, transparent 90%);
}
.final-cta__megafive {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: clamp(20rem, 35vw, 32rem);
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px rgba(0,124,255,0.10);
  opacity: 0.6;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}
.final-cta__inner {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin: 0 auto;
}
.final-cta h2 {
  font-size: clamp(2rem, 5vw, var(--fs-4xl));
  margin-bottom: var(--sp-4);
}
.final-cta p {
  font-size: var(--fs-md);
  margin-bottom: var(--sp-6);
}