*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --teal-200: #5DCAA5;
  --teal-400: #1D9E75;
  --teal-600: #0F6E56;
  --purple-100: #CECBF6;
  --purple-400: #7F77DD;
  --purple-600: #534AB7;
  --blue-100: #93c5fd;
  --blue-400: #3884DC;
  --coral-400: #D85A30;
  --amber-400: #F59E0B;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: #080d0b;
  color: #e8f5f0;
  overflow-x: hidden;
}

/* ── NAV ── */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 4rem;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(8,13,11,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(29,158,117,0.12);
}
.logo { font-family: 'DM Serif Display', serif; font-size: 1.75rem; color: var(--teal-200); letter-spacing: 0.08em; text-decoration: none; display: flex; align-items: center; gap: 0.5rem; }
.nav-logo-img { width: 36px; height: 36px; object-fit: contain; filter: drop-shadow(0 0 6px rgba(91,200,192,0.5)); }
.nav-links { display: flex; gap: 2rem; list-style: none; align-items: center; }
.nav-links a { color: rgba(232,245,240,0.55); text-decoration: none; font-size: 0.85rem; font-weight: 400; transition: color 0.2s; }
.nav-links a:hover { color: var(--teal-200); }
.nav-cta { background: var(--teal-400) !important; color: #fff !important; padding: 0.45rem 1.2rem !important; border-radius: 100px; font-weight: 500 !important; }
.nav-cta:hover { background: var(--teal-200) !important; color: #080d0b !important; }

/* ── HERO ── */
.hero-logo {
  width: 140px; height: 140px; object-fit: contain;
  margin-bottom: 1.5rem;
  filter: drop-shadow(0 0 32px rgba(91,200,192,0.45));
  animation: float 4s ease-in-out infinite;
  position: relative; z-index: 1;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.hero {
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 9rem 2rem 5rem;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute;
  width: 900px; height: 900px; border-radius: 50%;
  background: radial-gradient(circle, rgba(29,158,117,0.09) 0%, transparent 70%);
  top: 50%; left: 50%; transform: translate(-50%,-50%);
}
.hero::after {
  content: ''; position: absolute;
  width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(127,119,221,0.07) 0%, transparent 70%);
  top: 25%; right: 5%;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: rgba(29,158,117,0.1); border: 1px solid rgba(29,158,117,0.28);
  color: var(--teal-200); padding: 0.38rem 1rem; border-radius: 100px;
  font-size: 0.76rem; font-weight: 500; letter-spacing: 0.07em; text-transform: uppercase;
  margin-bottom: 2rem;
}
.pulse { width: 7px; height: 7px; background: var(--teal-200); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.4;transform:scale(1.5)} }

h1 { font-family: 'DM Serif Display', serif; font-size: clamp(2.8rem, 7vw, 5.5rem); line-height: 1.08; color: #fff; max-width: 820px; margin-bottom: 1.5rem; }
h1 em { color: var(--teal-200); font-style: italic; }

.hero-sub { font-size: 1.1rem; color: rgba(232,245,240,0.48); max-width: 540px; line-height: 1.75; font-weight: 300; margin-bottom: 2.5rem; }

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; margin-bottom: 2rem; }

.btn-primary {
  display: inline-flex; align-items: center; gap: 0.6rem;
  background: var(--teal-400); color: #fff;
  padding: 0.9rem 2rem; border-radius: 100px; font-size: 0.95rem; font-weight: 500;
  text-decoration: none; transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(29,158,117,0.25);
}
.btn-primary:hover { background: var(--teal-200); color: #080d0b; transform: translateY(-2px); box-shadow: 0 6px 28px rgba(29,158,117,0.35); }

.btn-secondary {
  display: inline-flex; align-items: center; gap: 0.6rem;
  background: transparent; color: rgba(232,245,240,0.7);
  border: 1px solid rgba(232,245,240,0.18);
  padding: 0.9rem 2rem; border-radius: 100px; font-size: 0.95rem; font-weight: 400;
  text-decoration: none; transition: border-color 0.2s, color 0.2s, transform 0.15s;
}
.btn-secondary:hover { border-color: var(--teal-400); color: var(--teal-200); transform: translateY(-2px); }

.guest-banner {
  display: flex; align-items: center; gap: 1rem;
  background: rgba(127,119,221,0.07); border: 1px solid rgba(127,119,221,0.18);
  border-radius: 14px; padding: 0.9rem 1.5rem;
  max-width: 540px; width: 100%;
}
.guest-banner-text { font-size: 0.85rem; color: rgba(232,245,240,0.5); line-height: 1.5; flex: 1; }
.guest-banner-text strong { color: var(--purple-100); font-weight: 500; }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: rgba(127,119,221,0.14); color: var(--purple-100);
  border: 1px solid rgba(127,119,221,0.28);
  padding: 0.5rem 1.1rem; border-radius: 100px; font-size: 0.82rem; font-weight: 500;
  text-decoration: none; white-space: nowrap; transition: background 0.2s, transform 0.15s; flex-shrink: 0;
}
.btn-ghost:hover { background: rgba(127,119,221,0.28); transform: translateY(-1px); }

/* ── TRUST STRIP ── */
.trust-strip {
  display: flex; justify-content: center; align-items: center; gap: 2.5rem; flex-wrap: wrap;
  padding: 1.25rem 4rem;
  border-top: 1px solid rgba(29,158,117,0.08);
  border-bottom: 1px solid rgba(29,158,117,0.08);
  background: rgba(29,158,117,0.025);
}
.trust-item { display: flex; align-items: center; gap: 0.45rem; font-size: 0.78rem; color: rgba(232,245,240,0.32); }
.trust-dot { color: var(--teal-400); }

/* ── STATS ── */
.stats { display: flex; justify-content: center; gap: 5rem; padding: 2.5rem 4rem; flex-wrap: wrap; }
.stat { text-align: center; }
.stat-num { font-family: 'DM Serif Display', serif; font-size: 2.4rem; color: var(--teal-200); line-height: 1; }
.stat-label { font-size: 0.75rem; color: rgba(232,245,240,0.38); letter-spacing: 0.05em; text-transform: uppercase; margin-top: 0.35rem; }

/* ── GENERAL SECTIONS ── */
section { padding: 5.5rem 4rem; max-width: 1160px; margin: 0 auto; }
.section-label { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--teal-400); margin-bottom: 0.75rem; }
h2 { font-family: 'DM Serif Display', serif; font-size: clamp(1.9rem, 4vw, 2.9rem); color: #fff; line-height: 1.15; margin-bottom: 0.9rem; }
.section-sub { font-size: 1rem; color: rgba(232,245,240,0.45); max-width: 500px; line-height: 1.75; font-weight: 300; margin-bottom: 3rem; }

.divider { height: 1px; background: linear-gradient(90deg, transparent, rgba(29,158,117,0.18), transparent); }

/* ── FEATURES GRID ── */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.2rem; }
.feature-card {
  background: rgba(255,255,255,0.022); border: 1px solid rgba(29,158,117,0.1);
  border-radius: 18px; padding: 1.75rem;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.feature-card:hover { border-color: rgba(29,158,117,0.32); background: rgba(29,158,117,0.05); transform: translateY(-3px); }
.feature-icon { width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 1.1rem; font-size: 1.25rem; }
.icon-teal   { background: rgba(29,158,117,0.14); }
.icon-purple { background: rgba(127,119,221,0.14); }
.icon-coral  { background: rgba(216,90,48,0.14); }
.icon-blue   { background: rgba(56,132,220,0.14); }
.icon-amber  { background: rgba(245,158,11,0.14); }
.feature-title { font-size: 0.97rem; font-weight: 500; color: #fff; margin-bottom: 0.45rem; }
.feature-desc { font-size: 0.85rem; color: rgba(232,245,240,0.4); line-height: 1.68; font-weight: 300; }

/* ── CHAT MOCKUP ── */
.chat-section { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.chat-mockup {
  background: rgba(255,255,255,0.025); border: 1px solid rgba(29,158,117,0.18);
  border-radius: 22px; padding: 1.5rem;
  box-shadow: 0 24px 60px rgba(0,0,0,0.45);
}
.chat-header { display: flex; align-items: center; gap: 0.75rem; padding-bottom: 0.9rem; border-bottom: 1px solid rgba(29,158,117,0.1); margin-bottom: 1rem; }
.chat-avatar { width: 36px; height: 36px; background: linear-gradient(135deg, var(--teal-400), var(--teal-600)); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-family: 'DM Serif Display', serif; font-size: 0.95rem; color: #fff; }
.chat-name { font-weight: 500; color: #fff; font-size: 0.88rem; }
.chat-status { font-size: 0.7rem; color: var(--teal-200); }
.mood-bar { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.9rem; padding: 0.6rem 0.9rem; background: rgba(255,255,255,0.03); border-radius: 10px; border: 1px solid rgba(255,255,255,0.06); }
.mood-label { font-size: 0.72rem; color: rgba(232,245,240,0.4); white-space: nowrap; }
.mood-dots { display: flex; gap: 3px; }
.mood-dot { width: 7px; height: 7px; border-radius: 50%; background: rgba(255,255,255,0.15); }
.mood-dot.active { background: var(--teal-400); }
.mood-val { font-size: 0.72rem; color: var(--teal-200); font-weight: 500; margin-left: 0.25rem; }
.chips-row { display: flex; gap: 5px; flex-wrap: wrap; margin-bottom: 0.8rem; }
.chip-sm { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.09); padding: 3px 9px; border-radius: 20px; font-size: 0.7rem; color: rgba(232,245,240,0.45); }
.chip-sm.active { background: rgba(127,119,221,0.15); border-color: rgba(127,119,221,0.3); color: var(--purple-100); }
.msg { margin-bottom: 0.7rem; display: flex; flex-direction: column; }
.msg.user { align-items: flex-end; } .msg.nalau { align-items: flex-start; }
.bubble { max-width: 82%; padding: 0.6rem 0.95rem; border-radius: 13px; line-height: 1.58; font-size: 0.82rem; }
.bubble.user { background: rgba(29,158,117,0.2); color: rgba(232,245,240,0.86); border-bottom-right-radius: 4px; }
.bubble.nalau { background: rgba(255,255,255,0.07); color: rgba(232,245,240,0.7); border-bottom-left-radius: 4px; }
.typing { display: flex; gap: 4px; padding: 0.6rem 0.95rem; background: rgba(255,255,255,0.06); border-radius: 13px; border-bottom-left-radius: 4px; width: fit-content; }
.dot { width: 5px; height: 5px; background: rgba(232,245,240,0.35); border-radius: 50%; animation: blink 1.4s infinite both; }
.dot:nth-child(2){animation-delay:.2s} .dot:nth-child(3){animation-delay:.4s}
@keyframes blink { 0%,80%,100%{opacity:.3;transform:scale(.85)} 40%{opacity:1;transform:scale(1)} }

/* ── STEPS ── */
.steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 1.25rem; margin-top: 0.5rem; }
.step-card { padding: 1.75rem; background: rgba(255,255,255,0.02); border: 1px solid rgba(255,255,255,0.06); border-radius: 18px; transition: border-color 0.2s, transform 0.2s; }
.step-card:hover { border-color: rgba(29,158,117,0.28); transform: translateY(-3px); }
.step-num { font-family: 'DM Serif Display', serif; font-size: 2.6rem; color: rgba(29,158,117,0.16); line-height: 1; margin-bottom: 0.7rem; }
.step-title { font-size: 0.95rem; font-weight: 500; color: #fff; margin-bottom: 0.45rem; }
.step-desc { font-size: 0.83rem; color: rgba(232,245,240,0.4); line-height: 1.65; font-weight: 300; }

/* ── PROFILES ── */
.profiles-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1.25rem; }
.profile-card { border-radius: 22px; padding: 2.25rem; }
.profile-card.free  { background: linear-gradient(135deg,rgba(56,132,220,.13),rgba(56,132,220,.03)); border:1px solid rgba(56,132,220,.25); }
.profile-card.patient { background: linear-gradient(135deg,rgba(29,158,117,.13),rgba(29,158,117,.03)); border:1px solid rgba(29,158,117,.25); }
.profile-card.pro  { background: linear-gradient(135deg,rgba(127,119,221,.13),rgba(127,119,221,.03)); border:1px solid rgba(127,119,221,.25); }
.profile-tag { display: inline-block; padding: 0.28rem 0.8rem; border-radius: 100px; font-size: 0.68rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 1.25rem; }
.tag-blue   { background: rgba(56,132,220,.17); color: var(--blue-100); }
.tag-teal   { background: rgba(29,158,117,.17); color: var(--teal-200); }
.tag-purple { background: rgba(127,119,221,.17); color: var(--purple-100); }
.profile-title { font-family: 'DM Serif Display', serif; font-size: 1.6rem; color: #fff; margin-bottom: 0.65rem; }
.profile-desc { font-size: 0.85rem; color: rgba(232,245,240,0.45); line-height: 1.68; font-weight: 300; margin-bottom: 1.5rem; }
.profile-list { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1.75rem; }
.profile-list li { font-size: 0.83rem; color: rgba(232,245,240,0.58); display: flex; align-items: flex-start; gap: 0.55rem; line-height: 1.4; }
.chk-blue   { color: var(--blue-100); flex-shrink:0; margin-top:.05rem; }
.chk-teal   { color: var(--teal-200); flex-shrink:0; margin-top:.05rem; }
.chk-purple { color: var(--purple-100); flex-shrink:0; margin-top:.05rem; }
.profile-cta {
  display: inline-flex; align-items: center; gap: 0.45rem;
  font-size: 0.85rem; font-weight: 500; text-decoration: none;
  padding: 0.58rem 1.3rem; border-radius: 100px;
  transition: background 0.2s, color 0.2s, transform 0.15s;
}
.cta-blue   { background: rgba(56,132,220,.18); color: var(--blue-100); }
.cta-blue:hover   { background: var(--blue-400); color: #fff; transform:translateY(-1px); }
.cta-teal   { background: rgba(29,158,117,.18); color: var(--teal-200); }
.cta-teal:hover   { background: var(--teal-400); color: #fff; transform:translateY(-1px); }
.cta-purple { background: rgba(127,119,221,.18); color: var(--purple-100); }
.cta-purple:hover { background: var(--purple-400); color: #fff; transform:translateY(-1px); }

/* ── PRO TOOLS ── */
.pro-tools-section { background: rgba(127,119,221,.03); border-top: 1px solid rgba(127,119,221,.08); border-bottom: 1px solid rgba(127,119,221,.08); }
.pro-tools-inner { max-width: 1160px; margin: 0 auto; padding: 5.5rem 4rem; }
.tools-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.2rem; margin-top: 0.5rem; }
.tool-card {
  background: rgba(255,255,255,0.025); border: 1px solid rgba(127,119,221,0.12);
  border-radius: 18px; padding: 1.75rem;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.tool-card:hover { border-color: rgba(127,119,221,.35); background: rgba(127,119,221,.06); transform: translateY(-3px); }
.tool-icon { font-size: 1.6rem; margin-bottom: 1rem; display: block; }
.tool-title { font-size: 0.97rem; font-weight: 500; color: #fff; margin-bottom: 0.45rem; }
.tool-desc { font-size: 0.84rem; color: rgba(232,245,240,.42); line-height: 1.65; font-weight: 300; }
.tool-badge {
  display: inline-block; margin-top: 0.85rem;
  padding: 0.22rem 0.65rem; border-radius: 100px;
  font-size: 0.68rem; font-weight: 500;
  background: rgba(127,119,221,.15); color: var(--purple-100);
}

/* ── AI SECTION ── */
.ai-section { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }
.ai-model-card {
  background: rgba(29,158,117,.05); border: 1px solid rgba(29,158,117,.15);
  border-radius: 20px; padding: 2rem;
}
.ai-model-name { font-family: 'DM Serif Display', serif; font-size: 1.4rem; color: var(--teal-200); margin-bottom: 0.4rem; }
.ai-model-sub { font-size: 0.82rem; color: rgba(232,245,240,.4); margin-bottom: 1.5rem; }
.ai-capability { display: flex; align-items: flex-start; gap: 0.75rem; margin-bottom: 1rem; padding-bottom: 1rem; border-bottom: 1px solid rgba(255,255,255,.05); }
.ai-capability:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.ai-cap-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 0.05rem; }
.ai-cap-title { font-size: 0.88rem; font-weight: 500; color: #fff; margin-bottom: 0.2rem; }
.ai-cap-desc { font-size: 0.8rem; color: rgba(232,245,240,.4); line-height: 1.55; font-weight: 300; }
.tech-pills { display: flex; flex-wrap: wrap; gap: 0.65rem; margin-top: 2rem; }
.tech-pill { background: rgba(255,255,255,.045); border: 1px solid rgba(255,255,255,.09); padding: 0.38rem 0.9rem; border-radius: 100px; font-size: 0.77rem; color: rgba(232,245,240,.5); }

/* ── PRIVACY CARDS ── */
.privacy-grid { display: flex; flex-direction: column; gap: 0.9rem; }
.privacy-card { display: flex; align-items: flex-start; gap: 1rem; background: rgba(255,255,255,.022); border: 1px solid rgba(255,255,255,.07); border-radius: 14px; padding: 1.2rem; transition: border-color 0.2s; }
.privacy-card:hover { border-color: rgba(29,158,117,.28); }
.priv-icon { font-size: 1.4rem; flex-shrink: 0; margin-top: 0.1rem; }
.priv-title { font-size: 0.93rem; font-weight: 500; color: #fff; margin-bottom: 0.25rem; }
.priv-desc { font-size: 0.8rem; color: rgba(232,245,240,.4); line-height: 1.58; font-weight: 300; }

/* ── PLATFORMS ── */
.platforms-section { text-align: center; padding: 3rem 4rem; border-top: 1px solid rgba(255,255,255,.04); }
.platforms-label { font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(232,245,240,.25); margin-bottom: 1.5rem; }
.platforms-row { display: flex; justify-content: center; gap: 2.5rem; flex-wrap: wrap; }
.platform-item { display: flex; flex-direction: column; align-items: center; gap: 0.4rem; }
.platform-icon { font-size: 1.6rem; }
.platform-name { font-size: 0.75rem; color: rgba(232,245,240,.3); }

/* ── ACCESS ── */
.access-section {
  text-align: center; padding: 7rem 4rem;
  background: linear-gradient(180deg, rgba(29,158,117,.04) 0%, transparent 100%);
  border-top: 1px solid rgba(29,158,117,.1);
}
.access-inner { max-width: 900px; margin: 0 auto; }
.access-cards { display: flex; gap: 1.25rem; justify-content: center; margin-top: 3rem; flex-wrap: wrap; }
.access-card {
  background: rgba(255,255,255,.035); border: 1px solid rgba(255,255,255,.09);
  border-radius: 22px; padding: 2.25rem 2.5rem; text-align: center;
  text-decoration: none; transition: border-color 0.2s, background 0.2s, transform 0.2s;
  min-width: 200px; flex: 1; max-width: 240px;
}
.access-card.featured { border-color: rgba(29,158,117,.3); background: rgba(29,158,117,.07); }
.access-card:hover { border-color: var(--teal-400); background: rgba(29,158,117,.1); transform: translateY(-4px); box-shadow: 0 14px 40px rgba(29,158,117,.14); }
.access-card--soon { opacity: .5; cursor: not-allowed; pointer-events: none; }
.access-badge--soon { background: rgba(255,255,255,.08); color: rgba(232,245,240,.5); }
.access-icon { font-size: 2.6rem; margin-bottom: 0.9rem; display: block; }
.access-label { font-size: 0.68rem; color: rgba(232,245,240,.38); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 0.35rem; }
.access-name { font-size: 1.1rem; font-weight: 500; color: #fff; margin-bottom: 0.45rem; }
.access-desc { font-size: 0.78rem; color: rgba(232,245,240,.32); line-height: 1.55; font-weight: 300; }
.access-badge { display: inline-block; margin-top: 0.85rem; padding: 0.22rem 0.7rem; background: rgba(29,158,117,.14); border-radius: 100px; font-size: 0.68rem; color: var(--teal-200); font-weight: 500; }

/* ── FOOTER ── */
footer { padding: 2.75rem 4rem; display: flex; justify-content: space-between; align-items: center; border-top: 1px solid rgba(255,255,255,.05); }
.footer-logo { font-family: 'DM Serif Display', serif; font-size: 1.45rem; color: var(--teal-200); text-decoration: none; }
.footer-links { display: flex; gap: 1.75rem; list-style: none; }
.footer-links a { font-size: 0.8rem; color: rgba(232,245,240,.28); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--teal-200); }
.footer-copy { font-size: 0.76rem; color: rgba(232,245,240,.18); }

/* ── RESPONSIVE ── */
@media (max-width: 960px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { display: none; }
  section { padding: 4rem 1.5rem; }
  .profiles-grid { grid-template-columns: 1fr; }
  .chat-section { grid-template-columns: 1fr; gap: 2.5rem; }
  .ai-section { grid-template-columns: 1fr; gap: 2.5rem; }
  .stats { gap: 2rem; padding: 2rem 1.5rem; }
  .trust-strip { gap: 1.25rem; padding: 1.25rem 1.5rem; }
  footer { flex-direction: column; gap: 1.25rem; text-align: center; }
  .footer-links { justify-content: center; flex-wrap: wrap; }
  .access-section { padding: 5rem 1.5rem; }
  .platforms-section { padding: 2.5rem 1.5rem; }
  .pro-tools-inner { padding: 4rem 1.5rem; }
  .access-card { max-width: 100%; }
}

/* ── THEME TOGGLE BUTTON ── */
.theme-toggle {
  background: none;
  border: 1px solid rgba(232,245,240,0.18);
  color: rgba(232,245,240,0.6);
  width: 34px; height: 34px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 0.95rem;
  line-height: 1;
  display: flex; align-items: center; justify-content: center;
  transition: border-color 0.2s, background 0.2s;
  flex-shrink: 0;
  padding: 0;
}
.theme-toggle:hover {
  border-color: var(--teal-200);
  background: rgba(29,158,117,0.1);
}

/* ── LIGHT THEME ── */
[data-theme="light"] body { background: #f2faf6; color: #0b1f16; }
[data-theme="light"] nav { background: rgba(242,250,246,0.95); border-bottom-color: rgba(29,158,117,0.2); }
[data-theme="light"] .theme-toggle { border-color: rgba(11,31,22,0.2); color: rgba(11,31,22,0.6); }
[data-theme="light"] .theme-toggle:hover { background: rgba(29,158,117,0.1); border-color: var(--teal-400); }
[data-theme="light"] .nav-links a { color: rgba(11,31,22,0.55); }
[data-theme="light"] .nav-links a:hover { color: var(--teal-200); }
[data-theme="light"] h1 { color: #0b1f16; }
[data-theme="light"] h2 { color: #0b1f16; }
[data-theme="light"] .hero-sub,
[data-theme="light"] .section-sub { color: rgba(11,31,22,0.52); }
[data-theme="light"] .hero-badge { background: rgba(29,158,117,0.09); border-color: rgba(29,158,117,0.3); }
[data-theme="light"] .btn-secondary { color: rgba(11,31,22,0.65); border-color: rgba(11,31,22,0.18); }
[data-theme="light"] .btn-secondary:hover { border-color: var(--teal-400); color: var(--teal-200); }
[data-theme="light"] .guest-banner { background: rgba(127,119,221,0.07); border-color: rgba(127,119,221,0.2); }
[data-theme="light"] .guest-banner-text { color: rgba(11,31,22,0.52); }
[data-theme="light"] .trust-strip { background: rgba(29,158,117,0.03); border-color: rgba(29,158,117,0.1); }
[data-theme="light"] .trust-item { color: rgba(11,31,22,0.38); }
[data-theme="light"] .stat-label { color: rgba(11,31,22,0.42); }
[data-theme="light"] .divider { background: linear-gradient(90deg, transparent, rgba(29,158,117,0.2), transparent); }
[data-theme="light"] .feature-card { background: rgba(255,255,255,0.7); border-color: rgba(29,158,117,0.12); }
[data-theme="light"] .feature-card:hover { background: rgba(29,158,117,0.07); border-color: rgba(29,158,117,0.3); }
[data-theme="light"] .feature-title { color: #0b1f16; }
[data-theme="light"] .feature-desc { color: rgba(11,31,22,0.5); }
[data-theme="light"] .chat-mockup { background: rgba(255,255,255,0.82); border-color: rgba(29,158,117,0.2); box-shadow: 0 24px 60px rgba(0,0,0,0.1); }
[data-theme="light"] .chat-header { border-bottom-color: rgba(29,158,117,0.12); }
[data-theme="light"] .chat-name { color: #0b1f16; }
[data-theme="light"] .mood-bar { background: rgba(0,0,0,0.04); border-color: rgba(0,0,0,0.08); }
[data-theme="light"] .mood-label { color: rgba(11,31,22,0.45); }
[data-theme="light"] .mood-dot { background: rgba(0,0,0,0.12); }
[data-theme="light"] .chip-sm { background: rgba(0,0,0,0.04); border-color: rgba(0,0,0,0.08); color: rgba(11,31,22,0.5); }
[data-theme="light"] .chip-sm.active { background: rgba(127,119,221,0.14); border-color: rgba(127,119,221,0.28); color: var(--purple-600); }
[data-theme="light"] .bubble.user { background: rgba(29,158,117,0.18); color: rgba(11,31,22,0.85); }
[data-theme="light"] .bubble.nalau { background: rgba(0,0,0,0.05); color: rgba(11,31,22,0.7); }
[data-theme="light"] .typing { background: rgba(0,0,0,0.05); }
[data-theme="light"] .dot { background: rgba(11,31,22,0.3); }
[data-theme="light"] .step-card { background: rgba(255,255,255,0.6); border-color: rgba(0,0,0,0.07); }
[data-theme="light"] .step-card:hover { border-color: rgba(29,158,117,0.3); }
[data-theme="light"] .step-num { color: rgba(29,158,117,0.22); }
[data-theme="light"] .step-title { color: #0b1f16; }
[data-theme="light"] .step-desc { color: rgba(11,31,22,0.5); }
[data-theme="light"] .profile-card.free { background: linear-gradient(135deg,rgba(56,132,220,.1),rgba(56,132,220,.03)); }
[data-theme="light"] .profile-card.patient { background: linear-gradient(135deg,rgba(29,158,117,.1),rgba(29,158,117,.03)); }
[data-theme="light"] .profile-card.pro { background: linear-gradient(135deg,rgba(127,119,221,.1),rgba(127,119,221,.03)); }
[data-theme="light"] .profile-title { color: #0b1f16; }
[data-theme="light"] .profile-desc { color: rgba(11,31,22,0.5); }
[data-theme="light"] .profile-list li { color: rgba(11,31,22,0.62); }
[data-theme="light"] .pro-tools-section { background: rgba(127,119,221,0.04); border-color: rgba(127,119,221,0.1); }
[data-theme="light"] .tool-card { background: rgba(255,255,255,0.65); border-color: rgba(127,119,221,0.15); }
[data-theme="light"] .tool-card:hover { background: rgba(127,119,221,0.07); border-color: rgba(127,119,221,0.3); }
[data-theme="light"] .tool-title { color: #0b1f16; }
[data-theme="light"] .tool-desc { color: rgba(11,31,22,0.5); }
[data-theme="light"] .ai-model-card { background: rgba(29,158,117,0.05); border-color: rgba(29,158,117,0.18); }
[data-theme="light"] .ai-model-sub { color: rgba(11,31,22,0.45); }
[data-theme="light"] .ai-capability { border-bottom-color: rgba(0,0,0,0.07); }
[data-theme="light"] .ai-cap-title { color: #0b1f16; }
[data-theme="light"] .ai-cap-desc { color: rgba(11,31,22,0.5); }
[data-theme="light"] .tech-pill { background: rgba(0,0,0,0.04); border-color: rgba(0,0,0,0.09); color: rgba(11,31,22,0.55); }
[data-theme="light"] .privacy-card { background: rgba(255,255,255,0.6); border-color: rgba(0,0,0,0.07); }
[data-theme="light"] .privacy-card:hover { border-color: rgba(29,158,117,0.28); }
[data-theme="light"] .priv-title { color: #0b1f16; }
[data-theme="light"] .priv-desc { color: rgba(11,31,22,0.5); }
[data-theme="light"] .platforms-section { border-top-color: rgba(0,0,0,0.07); }
[data-theme="light"] .platforms-label { color: rgba(11,31,22,0.32); }
[data-theme="light"] .platform-name { color: rgba(11,31,22,0.38); }
[data-theme="light"] .access-section { background: linear-gradient(180deg, rgba(29,158,117,0.05) 0%, transparent 100%); border-top-color: rgba(29,158,117,0.12); }
[data-theme="light"] .access-card { background: rgba(255,255,255,0.65); border-color: rgba(0,0,0,0.09); }
[data-theme="light"] .access-card.featured { border-color: rgba(29,158,117,0.35); background: rgba(29,158,117,0.07); }
[data-theme="light"] .access-card:hover { background: rgba(29,158,117,0.1); border-color: var(--teal-400); box-shadow: 0 14px 40px rgba(29,158,117,0.12); }
[data-theme="light"] .access-label { color: rgba(11,31,22,0.42); }
[data-theme="light"] .access-name { color: #0b1f16; }
[data-theme="light"] .access-desc { color: rgba(11,31,22,0.38); }
[data-theme="light"] .access-inner > p { color: rgba(11,31,22,0.5) !important; }
[data-theme="light"] footer { border-top-color: rgba(0,0,0,0.08); }
[data-theme="light"] .footer-links a { color: rgba(11,31,22,0.32); }
[data-theme="light"] .footer-links a:hover { color: var(--teal-200); }
[data-theme="light"] .footer-copy { color: rgba(11,31,22,0.22); }