/* ============================================================
   SANNAWAVE — PAGE-SPECIFIC STYLES
   ============================================================ */

/* ========== PAGE: HOME ================================== */

/* Hero */
.hero {
  min-height: 100vh;
  padding-top: calc(var(--navbar-h) + var(--space-20));
  padding-bottom: var(--space-24);
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 70vw;
  height: 70vw;
  max-width: 900px;
  max-height: 900px;
  background: radial-gradient(circle, rgba(29,158,117,.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -10%;
  width: 50vw;
  height: 50vw;
  max-width: 700px;
  background: radial-gradient(circle, rgba(83,74,183,.04) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}
@media (max-width: 992px) {
  .hero__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero__visual {
    display: flex;
    justify-content: center;
    order: -1;
  }
  .hero__cta { justify-content: center; }
  .hero::before { display: none; }
}

.hero__tag {
  margin-bottom: var(--space-6);
}
.hero__title {
  font-size: clamp(2rem, 5vw, 4.25rem);
  line-height: 1.08;
  margin-bottom: var(--space-6);
}
.hero__title em {
  font-style: italic;
  color: var(--sw-teal);
}
.hero__desc {
  font-size: clamp(var(--text-base), 2vw, var(--text-xl));
  color: var(--sw-text-muted);
  font-weight: 300;
  line-height: 1.7;
  margin-bottom: var(--space-10);
  max-width: 540px;
}
@media (max-width: 992px) { .hero__desc { margin: 0 auto var(--space-10); } }

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}
@media (max-width: 480px) {
  .hero__cta { flex-direction: column; }
  .hero__cta .btn-sw { width: 100%; justify-content: center; }
}

/* How It Works cards */
.how-card {
  position: relative;
  padding: var(--space-8);
  background: #fff;
  border-radius: var(--radius-xl);
  border: 1px solid var(--sw-border);
  transition: all var(--dur-normal) var(--ease-out);
  overflow: hidden;
}
.how-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--sw-teal), var(--sw-indigo));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-slow) var(--ease-out);
}
.how-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); border-color: transparent; }
.how-card:hover::before { transform: scaleX(1); }
.how-card__num {
  font-family: var(--font-display);
  font-size: 3.5rem;
  color: var(--sw-teal-faint);
  line-height: 1;
  margin-bottom: var(--space-4);
  color: rgba(29,158,117,.15);
}
.how-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: var(--sw-teal-faint);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--sw-teal);
  margin-bottom: var(--space-4);
}
.how-card h3 {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
}
.how-card p { color: var(--sw-text-muted); line-height: 1.65; font-size: var(--text-sm); }

/* Score demo section */
.score-demo {
  display: flex;
  align-items: center;
  gap: var(--space-16);
}
@media (max-width: 992px) {
  .score-demo {
    flex-direction: column;
    text-align: center;
    gap: var(--space-10);
  }
}
.score-demo__ring { flex-shrink: 0; }
.score-demo__content { flex: 1; }

/* CTA Band */
.cta-band {
  background: linear-gradient(135deg, var(--sw-bg-dark) 0%, var(--sw-bg-dark2) 100%);
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(29,158,117,.12) 0%, transparent 60%);
  border-radius: 50%;
}
.cta-band__inner {
  text-align: center;
  position: relative;
  z-index: 1;
}
.cta-band h2 {
  font-size: clamp(1.75rem, 4vw, var(--text-5xl));
  color: #fff;
  margin-bottom: var(--space-4);
}
.cta-band p {
  font-size: var(--text-lg);
  color: rgba(255,255,255,.6);
  margin-bottom: var(--space-8);
  font-weight: 300;
}

/* ========== PAGE: PRODUCT ================================ */

.product-hero {
  padding-top: calc(var(--navbar-h) + var(--space-16));
  padding-bottom: var(--space-16);
  background: linear-gradient(160deg, #fff 50%, var(--sw-teal-faint) 100%);
}
.product-hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}
@media (max-width: 992px) {
  .product-hero__inner { grid-template-columns: 1fr; text-align: center; }
}

/* Device visual */
.device-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}
.device-ring {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--sw-teal-faint), rgba(83,74,183,.08));
  border: 2px solid rgba(29,158,117,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.device-ring__inner {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(29,158,117,.08), rgba(83,74,183,.08));
  border: 1.5px solid rgba(29,158,117,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-2);
}
.device-label {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--sw-teal);
  text-align: center;
}
.device-sub {
  font-size: var(--text-xs);
  color: var(--sw-text-muted);
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
}

/* Feature cards */
.feature-card {
  padding: var(--space-8);
  background: #fff;
  border: 1px solid var(--sw-border);
  border-radius: var(--radius-xl);
  transition: all var(--dur-normal) var(--ease-out);
}
.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--sw-teal);
}
.feature-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  font-size: 1.5rem;
}
.feature-card__icon--teal   { background: var(--sw-teal-faint); color: var(--sw-teal); }
.feature-card__icon--indigo { background: var(--sw-indigo-faint); color: var(--sw-indigo); }

.feature-card h3 {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
}
.feature-card p { color: var(--sw-text-muted); line-height: 1.65; font-size: var(--text-sm); }

/* Specs table */
.specs-table {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--sw-border);
  width: 100%;
}
.specs-table tr:nth-child(even) { background: var(--sw-bg-soft); }
.specs-table td, .specs-table th {
  padding: var(--space-4) var(--space-6);
  text-align: left;
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--sw-border);
}
.specs-table thead th {
  background: var(--sw-bg-dark);
  color: #fff;
  font-size: var(--text-xs);
  letter-spacing: .1em;
  text-transform: uppercase;
  font-weight: 600;
  font-family: var(--font-body);
  border: none;
}
.specs-table tbody tr:last-child td { border-bottom: none; }
.specs-table td:first-child { font-weight: 600; color: var(--sw-text); width: 40%; }
.specs-table td:last-child { color: var(--sw-text-muted); }
@media (max-width: 576px) {
  .specs-table td, .specs-table th { padding: var(--space-3) var(--space-4); }
}

/* Roadmap timeline */
.ecosystem-timeline {
  position: relative;
  padding-left: 2px;
}
.ecosystem-timeline::before {
  content: '';
  position: absolute;
  left: 22px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--sw-teal), var(--sw-indigo));
  border-radius: 2px;
}
.timeline-item {
  display: flex;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
  position: relative;
}
.timeline-item__dot {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--sw-bg);
  border: 2px solid var(--sw-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  z-index: 1;
  transition: all var(--dur-normal);
  font-size: 1rem;
}
.timeline-item:hover .timeline-item__dot {
  background: var(--sw-teal);
  color: #fff;
}
.timeline-item--future .timeline-item__dot {
  border-color: var(--sw-indigo);
  opacity: 1;
}
.timeline-item__content { padding-top: 8px; }
.timeline-item__year {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--sw-teal);
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: var(--space-1);
}
.timeline-item--future .timeline-item__year { color: var(--sw-indigo); }
.timeline-item__name {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-1);
}
.timeline-item__desc { font-size: var(--text-sm); color: var(--sw-text-muted); line-height: 1.6; }

/* ========== PAGE: SCIENCE ================================ */

.science-hero {
  padding-top: calc(var(--navbar-h) + var(--space-20));
  padding-bottom: var(--space-20);
  background: var(--sw-bg-dark);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.science-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(83,74,183,.18) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 50%, rgba(29,158,117,.12) 0%, transparent 60%);
}
.science-hero__inner { position: relative; z-index: 1; }
.science-hero h1 { color: #fff; }
.science-hero p { color: rgba(255,255,255,.65); }

.tech-card {
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  height: 100%;
}
.tech-card__abbr {
  font-family: var(--font-display);
  font-size: 2.5rem;
  margin-bottom: var(--space-2);
}
.tech-card__title {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}
.tech-card p { font-size: var(--text-sm); line-height: 1.7; }

.credential-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}
.credential-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: rgba(255,255,255,.05);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,.08);
}
.credential-item__icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: rgba(29,158,117,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--sw-teal-light);
  flex-shrink: 0;
}
.credential-item__label {
  font-size: var(--text-xs);
  font-weight: 700;
  color: rgba(255,255,255,.9);
  letter-spacing: .06em;
  margin-bottom: 2px;
}
.credential-item__sub { font-size: var(--text-xs); color: rgba(255,255,255,.45); }

@media (max-width: 576px) {
  .credential-grid { grid-template-columns: 1fr; }
}

/* ========== PAGE: WAITLIST ============================== */

.waitlist-page {
  min-height: 100vh;
  padding-top: calc(var(--navbar-h) + var(--space-16));
  padding-bottom: var(--space-24);
  background: linear-gradient(160deg, var(--sw-bg) 0%, var(--sw-teal-faint) 100%);
  display: flex;
  align-items: flex-start;
}
.waitlist-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}
@media (max-width: 992px) {
  .waitlist-grid { grid-template-columns: 1fr; }
}

.waitlist-benefits { display: flex; flex-direction: column; gap: var(--space-6); }
.benefit-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.benefit-item__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  background: var(--sw-teal-faint);
  color: var(--sw-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.benefit-item__title { font-weight: 700; margin-bottom: 2px; font-size: var(--text-base); }
.benefit-item__desc { font-size: var(--text-sm); color: var(--sw-text-muted); line-height: 1.55; }

.waitlist-form-card {
  background: #fff;
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--sw-border);
}
@media (max-width: 576px) {
  .waitlist-form-card { padding: var(--space-6); }
}

.use-case-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}
.use-case-option {
  position: relative;
}
.use-case-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.use-case-option label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--sw-border);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--dur-fast);
  line-height: 1.3;
}
.use-case-option input:checked + label {
  border-color: var(--sw-teal);
  background: var(--sw-teal-faint);
  color: var(--sw-teal-dark);
}
.use-case-option label:hover { border-color: var(--sw-teal); background: var(--sw-teal-faint); }
.use-case-option label .emoji { font-size: 1.1rem; flex-shrink: 0; }
@media (max-width: 480px) {
  .use-case-grid { grid-template-columns: 1fr; }
}

/* Success state */
.waitlist-success {
  display: none;
  text-align: center;
  padding: var(--space-8);
}
.waitlist-success.show { display: block; }
.success-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--sw-teal-faint);
  color: var(--sw-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  font-size: 2rem;
}

/* ========== PAGE: ABOUT ================================= */

.about-hero {
  padding-top: calc(var(--navbar-h) + var(--space-20));
  padding-bottom: var(--space-20);
  text-align: center;
  background: linear-gradient(180deg, var(--sw-bg-soft) 0%, var(--sw-bg) 100%);
}

.vision-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
}
@media (max-width: 768px) { .vision-grid { grid-template-columns: 1fr; } }

.innovation-list { display: flex; flex-direction: column; gap: var(--space-4); }
.innovation-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5);
  background: #fff;
  border: 1px solid var(--sw-border);
  border-radius: var(--radius-lg);
  transition: all var(--dur-normal);
}
.innovation-item:hover { box-shadow: var(--shadow-md); transform: translateX(4px); border-color: var(--sw-teal); }
.innovation-item__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--sw-teal-faint);
  color: var(--sw-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.innovation-item p { font-size: var(--text-sm); color: var(--sw-text); line-height: 1.55; font-weight: 500; }

/* Roadmap 10-year */
.roadmap-10y {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-4);
  position: relative;
}
.roadmap-10y::before {
  content: '';
  position: absolute;
  top: 27px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(90deg, var(--sw-teal), var(--sw-indigo));
}
@media (max-width: 768px) {
  .roadmap-10y { grid-template-columns: repeat(2, 1fr); }
  .roadmap-10y::before { display: none; }
}
@media (max-width: 480px) {
  .roadmap-10y { grid-template-columns: 1fr; }
}

.roadmap-node {
  text-align: center;
  padding-top: var(--space-2);
  position: relative;
  z-index: 1;
}
.roadmap-node__dot {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--sw-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  font-size: 1rem;
  transition: all var(--dur-normal);
}
.roadmap-node:hover .roadmap-node__dot { background: var(--sw-teal); }
.roadmap-node--future .roadmap-node__dot { border-color: var(--sw-indigo); opacity: 1; }
.roadmap-node__year {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--sw-teal);
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.roadmap-node--future .roadmap-node__year { color: var(--sw-indigo); }
.roadmap-node__name {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--text-base);
  margin-bottom: 4px;
}
.roadmap-node__tag {
  font-size: var(--text-xs);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: var(--sw-teal-faint);
  color: var(--sw-teal-dark);
  display: inline-block;
}
.roadmap-node--future .roadmap-node__tag { background: var(--sw-indigo-faint); color: var(--sw-indigo-dark); }

/* ========== FOOTER ====================================== */

.sw-footer {
  background: var(--sw-bg-dark);
  padding: var(--space-16) 0 var(--space-8);
  color: rgba(255,255,255,.65);
}
.sw-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}
@media (max-width: 992px) {
  .sw-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 576px) {
  .sw-footer__grid { grid-template-columns: 1fr; }
  .sw-section--soft #tech-1,
  .sw-section--soft #tech-2,
  .sw-section--soft #tech-3 {
    display: block !important;
  }
  span.sw-badge.sw-badge--indigo {
      margin-top: 10px;
  }
}

.footer-brand .sw-logo { color: #fff; margin-bottom: var(--space-4); display: block; font-size: 1.6rem; }
.footer-brand .sw-logo span { color: rgba(255,255,255,.5); }
.footer-brand p { font-size: var(--text-sm); line-height: 1.7; max-width: 260px; }

.footer-col h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  color: #fff;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: var(--space-5);
}
.footer-col ul li { margin-bottom: var(--space-3); }
.footer-col ul li a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,.55);
  transition: color var(--dur-fast);
}
.footer-col ul li a:hover { color: var(--sw-teal-light); }

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--sw-border-dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.footer-bottom p { font-size: var(--text-xs); color: rgba(255,255,255,.35); }
.footer-bottom-links { display: flex; gap: var(--space-6); }
.footer-bottom-links a { font-size: var(--text-xs); color: rgba(255,255,255,.35); transition: color var(--dur-fast); }
.footer-bottom-links a:hover { color: rgba(255,255,255,.65); }