/* ============================================================
   LANDING.CSS — Manu Farías portfolio
   Depends on: tokens.css (must be loaded first)

   Sections:
   1. Home layout
   2. Desktop fan cards + animations
   3. Mobile stack
   4. Drawer — structure & states
   5. Coming soon
   6. Footer
   7. Responsive
   ============================================================ */

/* ─── 1. HOME LAYOUT ────────────────────────────────────────── */

.home {
  position: relative;
  z-index: 1;
  height: 96dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 2rem 2rem;
  background-color: var(--color-light);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);

  /* Allows footer to be clickable through the home viewport */
  pointer-events: none;
}

.home > * {
  pointer-events: auto;
}

.header {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  flex-shrink: 0;
  position: relative;
  z-index: 2;
}

.header-rule {
  width: 24px;
  height: 1px;
  background: var(--gray-400);
  margin-bottom: 0.4rem;
}

/* Single definition — previously declared twice with conflicting values */
.header-role {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-mid);
}

.header h1 {
  font-family: "Caveat", cursive;
  font-size: var(--size-step-3);
  font-weight: 600;
  letter-spacing: -0.05em;
  line-height: 1.1;

  background: linear-gradient(135deg, #1a2035, #3e5579, #252e4c);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  padding-inline-end: 0.2em;
  animation: shimmer 6s linear infinite;
}

@keyframes shimmer {
  0%   { background-position: 0% center; }
  100% { background-position: 200% center; }
}

.header-desc {
  font-family: var(--font-sans);
  font-size: var(--size-step--1);
  color: var(--gray-400);
  max-width: 320px;
  line-height: 1.5;
  font-weight: 300;
}

.header .lede {
  font-size: var(--size-step-0);
  text-align: center;
  color: var(--color-mid);
  max-width: 42ch;
  font-family: "Literata";
  margin-block-start: -0.125rem;
}

.stage {
  flex: 1;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding-block-start: 0.8rem;
}

/* ─── 2. DESKTOP FAN CARDS ──────────────────────────────────── */

.fan {
  position: relative;
  width: 880px;
  height: 200px;
}

.card {
  position: absolute;
  left: 50%;
  top: 100%;
  width: 220px;
  height: 315px;
  border-radius: 18px;
  overflow: hidden;
  cursor: pointer;
  transform-origin: center bottom;
  transition:
    transform 0.4s cubic-bezier(0.34, 1.2, 0.64, 1),
    box-shadow 0.3s ease,
    opacity 0.35s ease;
  box-shadow:
    0 4px 20px rgba(0, 0, 0, 0.13),
    0 1px 4px rgba(0, 0, 0, 0.07);
  display: flex;
  flex-direction: column;
  user-select: none;
  padding-block-start: 1rem;
}

.fan[style*="pointer-events"] .card {
  cursor: default;
}

.card.inactive {
  opacity: 0.2;
}

.card-graphic {
  width: 100%;
  aspect-ratio: 210 / 150;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0;
  flex-shrink: 0;
}

.card-graphic svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* ── Signal — Waveform / Heartbeat ── */

@keyframes heartbeat {
  0%,  100% { opacity: 0.55; }
  10%        { opacity: 0.75; }
  30%        { opacity: 0.55; }
}

.card:hover .signal-pulse .waveform-bar {
  animation: heartbeat 6s ease-in-out;
}

.card:hover .signal-pulse .waveform-bar:nth-child(odd) {
  animation-delay: calc(var(--i) * 0.09s);
}

.card:hover .signal-pulse .waveform-bar:nth-child(even) {
  animation-delay: calc(var(--i) * 0.09s + 0.2s);
}

@media (prefers-reduced-motion: reduce) {
  .card:hover .signal-pulse .waveform-bar {
    animation: none;
  }
}

/* ── Chronic Care — Trend / Growth ── */

@keyframes drawPath {
  0%       { stroke-dashoffset: 450; }
  65%, 100%{ stroke-dashoffset: 0; }
}

@keyframes revealShadow {
  0%       { width: 0;   opacity: 0; }
  10%      { opacity: 1; }
  65%, 100%{ width: 210; opacity: 1; }
}

@keyframes pointPop {
  0%       { transform: scale(0);   opacity: 0; }
  5%, 15%  { transform: scale(1.4); opacity: 1; }
  25%, 100%{ transform: scale(1);   opacity: 1; }
}

.trend-point {
  transform-box: fill-box;
  transform-origin: center;
  opacity: 1;
}

.card:hover .trend-point {
  opacity: 0;
}

.trend-area  { opacity: 0.5; }
.trend-line  { stroke-dashoffset: 0; }

.trend-line,
.trend-area,
.trend-point,
.ref-line,
.mask-rect {
  transition: opacity 0.3s ease;
}

.card:hover .trend-line  { animation: drawPath 8s linear; }
.card:hover .mask-rect   { animation: revealShadow 5s linear; }
.card:hover .trend-point {
  animation: pointPop 8s ease-out;
  animation-delay: var(--delay);
}
.card:hover .ref-line {
  opacity: 0.1;
  transition: opacity 0.5s;
}

@media (prefers-reduced-motion: reduce) {
  .card:hover .trend-line,
  .card:hover .trend-point,
  .card:hover .mask-rect {
    animation: none !important;
  }
}

/* ── Help Desk — Flow / Wizard ── */

@keyframes fillStep {
  0%       { stroke-dashoffset: 82; }
  18%, 100%{ stroke-dashoffset: 0; }
}

@keyframes fadeNumber {
  0%, 12%  { opacity: 1; }
  18%, 100%{ opacity: 0; }
}

@keyframes drawCheck {
  0%, 12%  { stroke-dashoffset: 20; opacity: 0; }
  18%, 100%{ stroke-dashoffset: 0;  opacity: 1; }
}

@keyframes fillLine {
  0%       { stroke-dashoffset: 120; opacity: 0; }
  10%      { opacity: 1; stroke-dashoffset: 120; }
  18%, 100%{ stroke-dashoffset: 0;   opacity: 1; }
}

.card:hover .step-group {
  --step-window: 2s;
  --stagger: var(--step-window);
  --duration: 11s;
}

.card:hover .step-group circle:not(.progress-ring) {
  opacity: 0.22 !important;
}

.card:hover .progress-ring {
  animation: fillStep var(--duration) linear;
  animation-delay: calc(var(--step-index) * var(--stagger));
  animation-fill-mode: forwards;
}

.card:hover .step-number {
  animation: fadeNumber var(--duration) linear;
  animation-delay: calc(var(--step-index) * var(--stagger));
  animation-fill-mode: forwards;
}

.card:hover .checkmark {
  animation: drawCheck var(--duration) linear;
  animation-delay: calc(var(--step-index) * var(--stagger));
  animation-fill-mode: forwards;
}

.card:hover .flow-line-anim {
  animation: fillLine var(--duration) linear;
  animation-delay: calc(var(--step-index) * var(--stagger));
  animation-fill-mode: forwards;
}

@media (prefers-reduced-motion: reduce) {
  .card:hover .progress-ring,
  .card:hover .step-number,
  .card:hover .checkmark,
  .card:hover .flow-line-anim {
    animation: none !important;
  }
}

/* ── PHM — Network ── */

@keyframes lineFlowAndVanish {
  0%       { stroke-dashoffset: var(--len); opacity: 0; }
  15%      { opacity: 0.6; }
  50%, 100%{ stroke-dashoffset: 0;          opacity: 0.6; }
}

@keyframes nodeStayAndVanish {
  0%, 75%{ opacity: var(--base-opacity, 0.45); transform: scale(1); }
  85%    { opacity: 1; transform: scale(1.3); }
  100%   { opacity: 1; transform: scale(1); }
}

.network-line {
  stroke-dashoffset: 0;
  transition: opacity 0.3s ease;
  transform-box: fill-box;
  transform-origin: center;
}

.node {
  transform-box: fill-box;
  transform-origin: center;
}

.card:hover .network-line {
  animation: lineFlowAndVanish 4s ease-in-out;
  animation-delay: calc(var(--tier) * 0.5s);
  animation-fill-mode: backwards;
}

.card:hover .node {
  animation: nodeStayAndVanish 4s ease-in-out;
  animation-delay: calc(var(--tier) * 0.5s);
  animation-fill-mode: backwards;
}

.card:hover .node[style*="--node-index: 0"] {
  animation-delay: 1s;
}

@media (prefers-reduced-motion: reduce) {
  .card:hover .network-line,
  .card:hover .node {
    animation: none !important;
  }
}

/* ── Medication — Tiers / Diagnostic Scan ── */

@keyframes scanRow {
  0%, 100%{ filter: brightness(1); }
  10%     { filter: brightness(1.55); }
  22%     { filter: brightness(1.2); }
}

@keyframes criticalPulse {
  0%, 100%{ transform: scale(1); }
  50%     { transform: scale(1.03); }
}

.tier-row {
  transform-box: fill-box;
  transform-origin: center;
}

.card:hover .tier-row {
  animation: scanRow 6s ease-in-out;
  animation-delay: calc(var(--i) * 0.2s);
}

.card:hover .tier-row--critical {
  animation:
    scanRow 6s ease-in-out,
    criticalPulse 2s ease-in-out 2s infinite;
  animation-delay: calc(var(--i) * 0.2s), 2s;
}

.card:hover .tier-text,
.card:hover .tier-arrow {
  transition: opacity 0.3s ease;
}

@media (prefers-reduced-motion: reduce) {
  .card:hover .tier-row,
  .card:hover .tier-row--critical {
    animation: none !important;
  }
}

/* ── Card body ── */

.card-body {
  flex: 1;
  padding: 14px 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.card-title {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.card-desc {
  font-size: 1rem;
  line-height: 1.4;
  opacity: 0.7;
  font-family: var(--font-serif);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-tag {
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.35;
  margin-top: auto;
  padding-top: 6px;
}

/* ─── 3. MOBILE STACK ───────────────────────────────────────── */

.mobile-wrap {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 0;
  width: 100%;
}

.stack-stage {
  position: relative;
  top: 3%;
  width: min(68%, 250px);
  height: clamp(310px, 40dvh, 320px);
  margin-bottom: 1.5rem;
}

.stack-card {
  position: absolute;
  inset: 0;
  border-radius: 18px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition:
    transform 0.6s cubic-bezier(0.32, 0.72, 0, 1),
    opacity 0.5s cubic-bezier(0.32, 0.72, 0, 1);
  user-select: none;
  height: auto;
  min-height: 315px;
}

.stack-stage.drawer-active .stack-card:not(:last-child) {
  opacity: 0.05 !important;
}

.stack-stage.drawer-active .stack-card:last-child {
  transform: translateY(-15px) !important;
  transition:
    transform 0.9s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 0.5s cubic-bezier(0.32, 0.72, 0, 1);
  cursor: default;
}

.stack-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-block-start: 1.7rem;
}

/* ─── 4. DRAWER — STRUCTURE & STATES ───────────────────────── */

.drawer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  top: 64dvh;
  border-radius: 20px 20px 0 0;
  background: var(--color-light);
  box-shadow: 0 -6px 48px rgba(0, 0, 0, 0.14);
  transform: translateY(110%);
  transition:
    transform 0.7s cubic-bezier(0.32, 0.72, 0, 1),
    top 0.4s cubic-bezier(0.32, 0.72, 0, 1),
    border-radius 0.4s ease;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 200;
}

.drawer.coming-soon-drawer {
  top: 39dvh;
}

.coming-soon-drawer .drawer-footer,
.coming-soon-drawer .drawer-close {
  display: none;
}

.drawer.open     { transform: translateY(0); }
.drawer.expanded { top: 0; border-radius: 0; }

.drawer-scroll {
  flex: 1;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
}

.drawer.expanded .drawer-scroll {
  overflow-y: auto;
}

.drawer-topbar {
  position: relative;
  background: var(--color-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px 12px;
  border-bottom: 1px solid var(--color-rule);
  flex-shrink: 0;
  z-index: 10;
  min-height: 68px;
}

.drawer-handle {
  width: 46px;
  height: 4px;
  background: var(--color-rule);
  border-radius: 2px;
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
}

.drawer-case-tag {
  font-family: var(--font-sans);
  font-size: var(--size-step-0);
  font-weight: 700;
  color: var(--color-dark);
  letter-spacing: -0.01em;
}

.drawer-close {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: none;
  border: 1px solid var(--color-rule);
  border-radius: 20px;
  padding: 6px 14px 6px 10px;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--color-mid);
  transition:
    background 0.2s,
    color 0.2s,
    border-color 0.2s;
}

.drawer-close:hover {
  background: var(--color-dark);
  color: var(--color-light);
  border-color: var(--color-dark);
}

.drawer-close svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
}

.drawer-footer {
  border-top: 1px solid var(--color-rule);
  padding: 1.5rem 3rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  background: var(--color-light);
}

.df-label {
  font-family: var(--font-serif);
  font-size: var(--size-step-0);
  color: var(--color-mid);
  font-style: italic;
}

.close-case-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-dark);
  color: var(--color-light);
  border: none;
  border-radius: 24px;
  padding: 10px 22px;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 600;
  transition: opacity 0.2s;
  min-height: 48px;
}

.close-case-btn:hover {
  opacity: 0.75;
}

/* ─── 5. COMING SOON ────────────────────────────────────────── */

.coming-soon {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 2rem;
  text-align: center;
  gap: 1rem;
  flex: 1;
  min-height: 100%;
}

.cs-title {
  font-family: var(--font-sans);
  font-size: var(--size-step-2);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-dark);
  margin-bottom: -1rem;
  margin-top: -1rem;
  max-width: 27ch;
  text-wrap: balance;
}

.cs-sub {
  font-family: var(--font-serif);
  font-size: var(--size-step-0);
  color: var(--color-mid);
  max-width: 420px;
  line-height: 1.6;
}

.cs-badge {
  display: inline-flex;
  align-items: center;
  border: none;
  background: transparent;
  padding: 0;
  gap: 0.4rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  color: var(--color-mid);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 0.5rem;
}

.cs-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100%{ opacity: 1; }
  50%     { opacity: 0.3; }
}

.cs-status {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.cs-links {
  display: flex;
  gap: 10px;
  margin-bottom: 2rem;
}

.cs-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.25rem;
  padding: 0.75rem 1rem;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s;
}

.cs-link:hover {
  background: rgba(0, 0, 0, 0.04);
}

.cs-link-title {
  font-size: 14px;
  font-weight: 500;
}

.cs-link-arrow {
  font-size: 16px;
  opacity: 0.4;
}

.cs-link-arrow svg {
  display: block;
}

/* ─── 6. FOOTER ─────────────────────────────────────────────── */

footer {
  position: sticky;
  bottom: 0;
  left: 0;
  z-index: 0;
  border-top: 1px solid var(--color-border-subtle);
  background-color: rgb(243, 246, 247);
  background-image:
    linear-gradient(var(--color-border-subtle) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border-subtle) 1px, transparent 1px);
  background-size: 24px 24px;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-l);
}

.footer-top {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-brand h3 {
  font-size: var(--footer-step-4);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--color-dark);
  margin: 0;
}

.footer-brand p {
  font-size: var(--footer-step-0);
  color: var(--color-muted);
  line-height: 1.5;
  margin: 0;
  max-width: 28ch;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-s);
}

.nav-label {
  display: block;
  font-size: var(--footer-step--1);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gray-400);
}

.footer-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
}

.footer-nav a {
  display: inline-block;
  font-size: var(--footer-step-2);
  font-weight: 600;
  line-height: 1.2;
  color: #00000095;
  text-decoration: none;
  transition: opacity 0.15s ease;
}

.footer-nav a:hover {
  color: var(--color-linkedin);
}

/* ─── 7. RESPONSIVE ─────────────────────────────────────────── */

@media (min-width: 1024px) {
  .footer-top {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

@media (max-width: 1024px) {
  /* Home */
  .home {
    padding: 2.5rem 1.5rem max(1.5rem, env(safe-area-inset-bottom, 1.5rem));
    height: calc(100svh - 2.5rem);
    pointer-events: auto;
  }

  /* Stage */
  .stage {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-bottom: 0.5rem;
  }

  /* Fan → hidden, mobile stack → visible */
  .fan        { display: none; }
  .hint       { display: none; }
  .mobile-wrap {
    display: flex;
    margin-top: 0;
    margin-bottom: 0;
  }

  /* Stack controls */
  .stack-controls {
    gap: 3rem;
    align-items: center;
  }

  .ctrl-btn {
    width: clamp(52px, 14vw, 70px);
    height: clamp(52px, 14vw, 70px);
    border-radius: 50%;
    border: 1px solid #33333330;
    background: transparent;
    color: var(--color-mid);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    margin: 0;
    line-height: 0;
    flex-shrink: 0;
    transition: color 0.2s;
    box-shadow: 0 0.1rem 0.2rem 0 rgba(0, 0, 0, 0.05);
  }

  .ctrl-btn:active { color: var(--color-dark); }
  .ctrl-label      { display: none; }

  /* Drawer */
  .drawer {
    top: 66dvh;
    border-radius: 16px 16px 0 0;
  }

  .drawer.expanded {
    top: 0;
    border-radius: 0;
  }

  .drawer-topbar {
    padding: 14px 20px 12px;
  }

  .drawer-footer {
    padding: 1.25rem 1.5rem 1.75rem;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 1rem;
  }

  .drawer.coming-soon-drawer {
    top: 25dvh;
  }

  /* Footer */
  footer {
    position: static;
  }
}