/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black: #0a0a0a;
  --dark: #1a1a1a;
  --mid: #444;
  --light: #aaa;
  --lighter: #ddd;
  --white: #f5f5f5;
  --accent: #f0f0f0;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Space Grotesk', sans-serif;
  background: var(--white);
  color: var(--black);
  line-height: 1.6;
}

/* NAV */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 6%;
  position: sticky;
  top: 0;
  background: var(--white);
  border-bottom: 1px solid var(--lighter);
  z-index: 100;
}

.logo {
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.5px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
  align-items: center;
}

nav a {
  text-decoration: none;
  color: var(--mid);
  font-size: 0.9rem;
  transition: color 0.2s;
}

nav a:hover { color: var(--black); }

.btn-nav {
  border: 1.5px solid var(--black);
  padding: 0.4rem 1rem;
  border-radius: 2px;
  color: var(--black) !important;
  font-weight: 600;
}

.btn-nav:hover {
  background: var(--black);
  color: var(--white) !important;
}

/* HERO */
.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 6%;
  background: var(--white);
}

.hero-content { max-width: 600px; }

.logo-img {
  width: 120px;
  height: auto;
  margin-bottom: 1rem;
  filter: grayscale(100%);
}

h1 {
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -1.5px;
  line-height: 1;
  color: var(--black);
}

.tagline {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--mid);
  margin: 0.4rem 0 0.8rem;
  letter-spacing: 2px;
}

.hero-sub {
  font-size: 0.95rem;
  color: var(--light);
  margin-bottom: 1.5rem;
}

.btn-primary {
  display: inline-block;
  background: var(--black);
  color: var(--white);
  padding: 0.8rem 2rem;
  text-decoration: none;
  font-weight: 600;
  border-radius: 2px;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-family: 'Space Grotesk', sans-serif;
  transition: background 0.2s;
}

.btn-primary:hover { background: var(--dark); }

/* SECTIONS */
.section {
  padding: 4rem 6%;
}

.section-dark {
  background: var(--dark);
  color: var(--white);
}

.section-dark h2 { color: var(--white); }

h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 2rem;
  color: var(--black);
}

/* GRID */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.card {
  border: 1.5px solid var(--lighter);
  padding: 2rem;
  border-radius: 4px;
  background: var(--white);
}

.card-dark {
  border: 1.5px solid var(--mid);
  background: var(--dark);
  color: var(--white);
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.card p {
  font-size: 0.95rem;
  color: var(--light);
  line-height: 1.6;
}

.card-dark p { color: var(--lighter); }

.icon {
  display: block;
  font-size: 1.2rem;
  margin-bottom: 1rem;
  color: var(--mid);
}

.tag {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.75rem;
  font-family: 'Space Mono', monospace;
  border: 1px solid var(--mid);
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
  color: var(--light);
  letter-spacing: 1px;
}

.placeholder { opacity: 0.4; }

/* ABOUT */
.about-content {
  max-width: 640px;
}

.about-content p {
  font-size: 0.95rem;
  color: var(--mid);
  margin-bottom: 1rem;
  line-height: 1.8;
}

/* CONTACT */
.contact-sub {
  color: var(--lighter);
  margin-bottom: 2rem;
  font-size: 1rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 520px;
}

.contact-form input,
.contact-form textarea {
  background: #2a2a2a;
  border: 1.5px solid var(--mid);
  color: var(--white);
  padding: 0.8rem 1rem;
  font-size: 0.95rem;
  font-family: 'Space Grotesk', sans-serif;
  border-radius: 2px;
  outline: none;
  transition: border-color 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--lighter);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--mid);
}

/* FOOTER */
footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.85rem;
  color: var(--light);
  border-top: 1px solid var(--lighter);
}

/* RESPONSIVE */
@media (max-width: 600px) {
  nav ul { gap: 1rem; }
  .btn-nav { display: none; }
}

/* === WORK SCENE ANIMATIONS === */

.scene {
  width: 100%;
  height: auto;
  display: block;
  margin: 1.2rem 0;
  overflow: visible;
}

/* --- Medi'Q': patient walk-in --- */
.patient-walk {
  animation: mediq-walk 2.8s cubic-bezier(0.22, 0.61, 0.36, 1) forwards paused;
}
.scene-mediq.play .patient-walk { animation-play-state: running; }

@keyframes mediq-walk {
  0%   { transform: translateX(-80px); }
  88%  { transform: translateX(96px); }
  94%  { transform: translateX(91px); }
  100% { transform: translateX(93px); }
}

.patient-bob {
  animation: mediq-bob 0.34s ease-in-out infinite alternate paused;
}
.scene-mediq.play .patient-bob { animation-play-state: running; }

@keyframes mediq-bob {
  from { transform: translateY(0); }
  to   { transform: translateY(-2px); }
}

/* Limb swings — pivot uses fill-box so origin is relative to each path */
.leg-l, .leg-r, .arm-l, .arm-r { transform-box: fill-box; }
.leg-l { transform-origin: right top; animation: limb-out 0.34s ease-in-out infinite alternate paused; }
.leg-r { transform-origin: left top;  animation: limb-in  0.34s ease-in-out infinite alternate paused; }
.arm-l { transform-origin: right top; animation: limb-in  0.34s ease-in-out infinite alternate paused; }
.arm-r { transform-origin: left top;  animation: limb-out 0.34s ease-in-out infinite alternate paused; }

.scene-mediq.play .leg-l,
.scene-mediq.play .leg-r,
.scene-mediq.play .arm-l,
.scene-mediq.play .arm-r { animation-play-state: running; }

@keyframes limb-out { from { transform: rotate(-20deg); } to { transform: rotate(20deg); } }
@keyframes limb-in  { from { transform: rotate(20deg);  } to { transform: rotate(-20deg); } }

/* Stop walking when patient arrives */
.scene-mediq.arrived .patient-bob,
.scene-mediq.arrived .leg-l,
.scene-mediq.arrived .leg-r,
.scene-mediq.arrived .arm-l,
.scene-mediq.arrived .arm-r { animation: none; transform: none; }

/* Doctor arm wave on patient arrival */
.doc-wave {
  transform-box: fill-box;
  transform-origin: left top;
}
.scene-mediq.arrived .doc-wave {
  animation: doc-wave-anim 0.45s ease-in-out 5 alternate forwards;
}
@keyframes doc-wave-anim {
  from { transform: rotate(0deg); }
  to   { transform: rotate(-55deg); }
}

/* --- Ashrayam: triangle agent relay (loops A→B→C→A) --- */
.doc-pass {
  animation: doc-triangle 5s ease-in-out infinite paused;
}
.scene-ashrayam.play .doc-pass { animation-play-state: running; }

@keyframes doc-triangle {
  0%        { transform: translate(100px, 28px); opacity: 0; }
  5%        { transform: translate(100px, 28px); opacity: 1; }
  15%       { transform: translate(100px, 28px); }
  30%       { transform: translate(73px,  78px); }
  40%       { transform: translate(73px,  78px); }
  55%       { transform: translate(127px, 78px); }
  65%       { transform: translate(127px, 78px); }
  80%       { transform: translate(100px, 28px); opacity: 1; }
  90%       { transform: translate(100px, 28px); opacity: 0; }
  100%      { transform: translate(100px, 28px); opacity: 0; }
}

.agent-a { animation: relay-a 5s ease-in-out infinite paused; }
.agent-b { animation: relay-b 5s ease-in-out infinite paused; }
.agent-c { animation: relay-c 5s ease-in-out infinite paused; }

.scene-ashrayam.play .agent-a,
.scene-ashrayam.play .agent-b,
.scene-ashrayam.play .agent-c { animation-play-state: running; }

@keyframes relay-a {
  0%        { opacity: 0.2; }
  5%        { opacity: 1; }
  15%       { opacity: 1; }
  30%       { opacity: 0.2; }
  65%       { opacity: 0.2; }
  80%       { opacity: 1; }
  90%       { opacity: 0.2; }
  100%      { opacity: 0.2; }
}
@keyframes relay-b {
  0%, 25%   { opacity: 0.2; }
  35%, 40%  { opacity: 1; }
  55%       { opacity: 0.2; }
  100%      { opacity: 0.2; }
}
@keyframes relay-c {
  0%, 48%   { opacity: 0.2; }
  58%, 65%  { opacity: 1; }
  78%       { opacity: 0.2; }
  100%      { opacity: 0.2; }
}