/* MahirAI Quiet Intelligence — shared product polish */
:root {
  --bg: #f5f7fb;
  --card: #ffffff;
  --card2: #eef2f7;
  --line: #e3e8f1;
  --ink1: #071426;
  --ink2: #314158;
  --ink3: #64748b;
  --ink4: #8b99ab;
  --brand: #2563eb;
  --brand2: #22d3ee;
  --brand-bg: #eaf2ff;
  --brand-tint: #d8e6ff;
  --ease-out: cubic-bezier(.23, 1, .32, 1);
  --ease-in-out: cubic-bezier(.77, 0, .175, 1);
  --ease-drawer: cubic-bezier(.32, .72, 0, 1);
  --motion-press: 120ms;
  --motion-control: 180ms;
  --motion-surface: 220ms;
  --shadow-sm: 0 1px 2px rgba(7, 20, 38, .04), 0 8px 24px rgba(7, 20, 38, .05);
  --shadow-md: 0 24px 70px rgba(7, 20, 38, .12);
}

[data-theme="dark"] {
  --bg: #07111f;
  --card: #0e1b2d;
  --card2: #14243a;
  --line: #203047;
  --ink1: #f4f7fb;
  --ink2: #d4deea;
  --ink3: #9aabc0;
  --ink4: #71839b;
  --brand: #5b9bff;
  --brand-bg: #102747;
  --brand-tint: #1c3c66;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .16), 0 12px 30px rgba(0, 0, 0, .18);
  --shadow-md: 0 28px 80px rgba(0, 0, 0, .38);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: 80px; }
body {
  min-width: 320px;
  background: var(--bg);
  color: var(--ink1);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

button, a, input, textarea, select { -webkit-tap-highlight-color: transparent; }
button, a { touch-action: manipulation; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible,
select:focus-visible, summary:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--brand) 45%, transparent);
  outline-offset: 3px;
}

h1, h2, h3, .grad-text {
  letter-spacing: -.025em;
  text-wrap: balance;
}
p { text-wrap: pretty; }

.card {
  border-color: var(--line);
  border-radius: 1.25rem;
  box-shadow: var(--shadow-sm);
}
.card2 { border-radius: 1rem; }

.btn {
  min-height: 44px;
  border-radius: .75rem;
  transition: transform var(--motion-press) var(--ease-out), box-shadow var(--motion-surface) var(--ease-out),
    background-color var(--motion-control) ease, border-color var(--motion-control) ease, opacity var(--motion-control) ease;
}
.btn-primary {
  background: #2563eb;
  box-shadow: 0 8px 22px rgba(37, 99, 235, .22);
}
.btn-ghost { box-shadow: 0 1px 1px rgba(7, 20, 38, .03); }
.btn:active { transform: scale(.985); }

.view {
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--motion-surface) var(--ease-out), transform var(--motion-surface) var(--ease-out);
}
@starting-style {
  .view { opacity: 0; transform: translateY(6px); }
}
.pop {
  opacity: 1;
  transform: scale(1);
  transition: opacity var(--motion-control) var(--ease-out), transform var(--motion-control) var(--ease-out);
}
.toast {
  opacity: 1;
  transform: translateX(-50%) translateY(0) scale(1);
  transition: opacity var(--motion-control) var(--ease-out), transform var(--motion-control) var(--ease-out);
  transform-origin: 50% 100%;
}
@starting-style {
  .pop { opacity: 0; transform: scale(.95); }
  .toast { opacity: 0; transform: translateX(-50%) translateY(4px) scale(.95); }
}

.progress-fill {
  width: 100%;
  transform: scaleX(var(--progress, 0));
  transform-origin: left center;
  transition: transform var(--motion-surface) var(--ease-in-out);
}

body.mode-app {
  background:
    radial-gradient(circle at 50% -15%, color-mix(in srgb, var(--brand) 12%, transparent), transparent 38%),
    var(--bg);
}
body.mode-app #app { isolation: isolate; }
body.mode-app header {
  padding-top: max(.75rem, env(safe-area-inset-top));
  background: color-mix(in srgb, var(--bg) 82%, transparent) !important;
  -webkit-backdrop-filter: saturate(160%) blur(22px);
  backdrop-filter: saturate(160%) blur(22px);
}
body.mode-app nav.fixed {
  padding-bottom: max(.45rem, env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--card) 88%, transparent) !important;
  -webkit-backdrop-filter: saturate(160%) blur(24px);
  backdrop-filter: saturate(160%) blur(24px);
}
body.mode-app #mahir-consent-settings {
  bottom: calc(74px + env(safe-area-inset-bottom)) !important;
  opacity: .78;
}
.navbtn {
  min-width: 56px;
  min-height: 48px;
  border-radius: .8rem;
  transition: color var(--motion-control) ease, background-color var(--motion-control) ease, transform var(--motion-press) var(--ease-out);
}
.navbtn.on { background: var(--brand-bg); }
.navbtn:active { transform: scale(.96); }

/* Marketing composition */
body.mode-landing section { scroll-margin-top: 72px; }
body.mode-landing header {
  background: color-mix(in srgb, var(--bg) 78%, transparent) !important;
  -webkit-backdrop-filter: saturate(160%) blur(22px);
  backdrop-filter: saturate(160%) blur(22px);
}
body.mode-landing header > div { min-height: 52px; }
body.mode-landing h1 {
  max-width: 13ch;
  font-size: clamp(2.75rem, 7vw, 5.9rem);
  line-height: .98;
  letter-spacing: -.058em;
}
body.mode-landing h2 { letter-spacing: -.04em; }
body.mode-landing .landing-hero > div:nth-child(2) {
  min-height: min(760px, calc(100svh - 76px));
  padding-top: clamp(3.5rem, 8vw, 7rem);
  padding-bottom: clamp(4rem, 8vw, 7rem);
}
body.mode-landing .chip {
  border: 1px solid var(--brand-tint);
  padding: .42rem .72rem;
  letter-spacing: .02em;
}
body.mode-landing .card { box-shadow: none; }
body.mode-landing #features .card {
  position: relative;
  overflow: hidden;
  padding: 1.75rem;
  transition: border-color var(--motion-surface) ease, transform var(--motion-surface) var(--ease-out), box-shadow var(--motion-surface) ease;
}
body.mode-landing details[open] { border-color: color-mix(in srgb, var(--brand) 35%, var(--line)); }
body.mode-landing summary { min-height: 32px; }

.mahir-mark {
  display: block;
  width: var(--mark-size, 36px);
  height: var(--mark-size, 36px);
  flex: 0 0 auto;
  border-radius: calc(var(--mark-size, 36px) * .22);
  object-fit: cover;
}

.product-device {
  width: min(300px, 78vw);
  aspect-ratio: 1 / 1.92;
  margin-inline: auto;
  position: relative;
  border: 8px solid #111827;
  border-radius: 2.8rem;
  overflow: hidden;
  color: #f8fafc;
  background: #07111f;
  box-shadow: 0 45px 100px rgba(7, 20, 38, .28), 0 10px 28px rgba(7, 20, 38, .18);
}
.product-device::before {
  content: "";
  position: absolute;
  z-index: 3;
  width: 34%;
  height: 22px;
  top: 9px;
  left: 33%;
  border-radius: 999px;
  background: #111827;
}
.product-device__screen { height: 100%; padding: 2.6rem 1rem 1rem; background: linear-gradient(180deg, #0b1728, #07111f); }
.product-device__brand { display: flex; align-items: center; justify-content: space-between; }
.product-device__logo { display: flex; align-items: center; gap: .5rem; font-size: .78rem; font-weight: 800; }
.product-device__logo img { width: 30px; height: 30px; border-radius: 7px; }
.product-device__hero { margin-top: 1.1rem; padding: 1.1rem; border: 1px solid #1d304a; border-radius: 1.2rem; background: #0f2036; }
.product-device__label { color: #9aabc0; font-size: .64rem; font-weight: 700; text-transform: uppercase; letter-spacing: .09em; }
.product-device__title { margin-top: .35rem; font-family: Sora, sans-serif; font-size: 1.05rem; font-weight: 700; line-height: 1.25; }
.product-device__progress { height: 6px; margin-top: 1rem; border-radius: 99px; background: #203047; overflow: hidden; }
.product-device__progress span { display: block; width: 68%; height: 100%; background: #3b82f6; border-radius: inherit; }
.product-device__lesson { display: grid; grid-template-columns: 34px 1fr auto; align-items: center; gap: .65rem; margin-top: .7rem; padding: .75rem; border: 1px solid #1a2b43; border-radius: .95rem; background: #0b1a2c; }
.product-device__lesson strong { display: block; font-size: .7rem; }
.product-device__lesson small { display: block; margin-top: .1rem; color: #8fa1b8; font-size: .58rem; }
.product-device__lesson span:first-child { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: #152943; color: #7dd3fc; font-size: .68rem; font-weight: 800; }
.product-device__lesson span:last-child { color: #5b9bff; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
}
.feature-story {
  grid-column: span 4;
  min-height: 220px;
}
.feature-story:nth-child(1),
.feature-story:nth-child(2) {
  grid-column: span 6;
  min-height: 260px;
}
.feature-story__icon {
  color: var(--ink1);
  background: var(--brand-bg);
  border: 1px solid var(--brand-tint);
}

.learning-compass {
  position: relative;
  overflow: hidden;
  border-color: color-mix(in srgb, var(--brand) 28%, var(--line));
  background: linear-gradient(145deg, color-mix(in srgb, var(--brand-bg) 74%, var(--card)), var(--card) 44%);
}
.compass-row {
  display: grid;
  grid-template-columns: minmax(92px, .36fr) 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 78%, transparent);
}
.compass-row:first-child { padding-top: 0; }
.compass-row:last-child { padding-bottom: 0; border-bottom: 0; }
.compass-row span,
.compass-card__label {
  color: var(--brand);
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.compass-row strong { color: var(--ink1); font-size: .875rem; line-height: 1.5; }
.compass-card__today { border-top: 1px solid color-mix(in srgb, var(--line) 78%, transparent); }

.xp-reward-strip {
  padding: .9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: color-mix(in srgb, var(--card) 94%, var(--brand-bg));
  box-shadow: 0 1px 2px rgba(7, 20, 38, .03);
}
.xp-reward-strip__icon,
.reward-list__icon,
.practice-portfolio__icon {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  flex: 0 0 auto;
  border-radius: .8rem;
  background: var(--brand-bg);
  border: 1px solid var(--brand-tint);
  font-size: 1.1rem;
}
.xp-reward-bar {
  height: 5px;
  overflow: hidden;
  border-radius: 99px;
  background: var(--card2);
}
.xp-reward-bar span {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: #2563eb;
  transform: scaleX(var(--progress, 0));
  transform-origin: left center;
  transition: transform var(--motion-surface) var(--ease-in-out);
}
.first-win-card {
  position: relative;
  overflow: hidden;
  padding: 1.35rem;
  border: 1px solid #1c3554;
  border-radius: 1.35rem;
  color: #f8fafc;
  background: linear-gradient(145deg, #0b1d34, #071426 72%);
  box-shadow: 0 22px 60px rgba(7, 20, 38, .18);
}
.first-win-card::after {
  content: "";
  position: absolute;
  width: 10rem;
  height: 10rem;
  right: -5rem;
  top: -6rem;
  border-radius: 50%;
  background: #22d3ee;
  opacity: .13;
  filter: blur(24px);
  pointer-events: none;
}
.first-win-card__label { color: #7dd3fc; font-size: .65rem; font-weight: 800; letter-spacing: .11em; }
.first-win-card .ink2 { color: #c7d3e2; }
.practice-proof { border-top: 1px solid color-mix(in srgb, var(--line) 82%, transparent); }
.practice-proof textarea { resize: vertical; min-height: 5.5rem; }
.practice-proof__saved {
  padding: .85rem;
  border: 1px solid color-mix(in srgb, var(--green) 28%, var(--line));
  border-radius: .85rem;
  background: color-mix(in srgb, var(--green-bg) 52%, var(--card));
}
.reward-unlocked {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: 1rem;
  border: 1px solid color-mix(in srgb, var(--brand) 38%, var(--line));
  border-radius: 1.1rem;
  background: linear-gradient(135deg, var(--brand-bg), var(--card));
}
.reward-unlocked__icon { font-size: 1.8rem; }
.reward-locked { opacity: .62; box-shadow: none; }
.practice-portfolio article { box-shadow: none; }

.founder-social {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  min-height: 42px;
  padding: .65rem .9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink2);
  background: color-mix(in srgb, var(--card) 92%, var(--brand-bg));
  font-size: .76rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 160ms var(--ease-out), border-color 180ms ease, background-color 180ms ease;
}
.founder-social svg,
.footer-socials svg {
  width: 1.05rem;
  height: 1.05rem;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}
.founder-social strong { color: var(--brand); }
.site-footer { position: relative; overflow: hidden; }
.site-footer::before {
  content: "";
  position: absolute;
  width: 28rem;
  height: 28rem;
  right: -16rem;
  top: -20rem;
  border-radius: 50%;
  background: var(--brand);
  opacity: .045;
  filter: blur(45px);
  pointer-events: none;
}
.footer-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(220px, 1.35fr) repeat(4, minmax(120px, .7fr));
  gap: clamp(2rem, 5vw, 4.5rem);
}
.footer-column { display: flex; flex-direction: column; align-items: flex-start; gap: .75rem; }
.footer-column h3 {
  margin: 0 0 .35rem;
  color: var(--ink1);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.footer-column a,
.footer-bottom a { color: var(--ink3); text-decoration: none; transition: color 150ms ease; }
.footer-column a { font-size: .83rem; font-weight: 650; line-height: 1.45; }
.footer-socials { display: flex; flex-wrap: wrap; gap: .55rem; }
.footer-socials a {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  min-height: 40px;
  padding: .55rem .72rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--ink2);
  background: color-mix(in srgb, var(--card) 92%, var(--brand-bg));
  font-size: .73rem;
  font-weight: 750;
  text-decoration: none;
}
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }

/* Dedicated fresh-graduate acquisition page */
.fresh-grad-page { background: #f5f7fb; color: #071426; }
.fresh-grad-page .nav {
  position: sticky;
  top: 0;
  z-index: 20;
  width: 100%;
  padding-inline: max(16px, calc((100% - 1100px) / 2));
  background: rgba(245, 247, 251, .82);
  border-bottom: 1px solid rgba(227, 232, 241, .85);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  backdrop-filter: blur(22px) saturate(160%);
}
.fresh-grad-page .brand img { object-fit: cover; }
.fresh-grad-page .hero { padding-block: clamp(4rem, 8vw, 7.5rem); }
.fresh-grad-page .hero::before {
  width: min(740px, 80vw);
  height: 420px;
  top: -250px;
  opacity: .09;
  background: #2563eb;
}
.fresh-grad-page .hero-grid { grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr); }
.fresh-grad-page .hero h1 {
  max-width: 13ch;
  margin-block: 22px;
  font-family: Sora, sans-serif;
  font-size: clamp(2.85rem, 6.8vw, 5.35rem);
  line-height: .99;
  letter-spacing: -.055em;
}
.fresh-grad-page .eyebrow { border: 1px solid #d8e6ff; }
.fresh-grad-page .cta {
  border-radius: 12px;
  background: #2563eb;
  box-shadow: 0 10px 26px rgba(37, 99, 235, .23);
  transition: transform 120ms ease, background-color 180ms ease, box-shadow 220ms var(--ease-out);
}
.fresh-grad-page .hero-card,
.fresh-grad-page .card { box-shadow: none; }
.fresh-grad-page .hero-card { padding: 30px; border-radius: 24px; }
.fresh-grad-page .section { padding-block: clamp(4.5rem, 8vw, 7rem); }
.fresh-grad-page .section.alt { background: #eef3f9; }
.fresh-grad-page .head h2 { font-family: Sora, sans-serif; letter-spacing: -.04em; }
.fresh-grad-page .grid3 { gap: 14px; }
.fresh-grad-page .card { border-radius: 18px; }
.fresh-grad-page .icon { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: #eaf2ff; font-size: 20px; }
.fresh-grad-page .answer { border-radius: 20px; box-shadow: none; }
.fresh-grad-page .day { border-radius: 16px; transition: transform 220ms var(--ease-out), border-color 220ms ease; }
.fresh-grad-page .offer { border-radius: 28px; background: #071426; box-shadow: 0 30px 80px rgba(7, 20, 38, .18); }

@media (max-width: 820px) {
  .fresh-grad-page .hero-grid { grid-template-columns: 1fr; }
  .fresh-grad-page .hero h1 { max-width: 14ch; }
  .fresh-grad-page .nav { width: 100%; }
}

@media (max-width: 860px) {
  .feature-story,
  .feature-story:nth-child(1),
  .feature-story:nth-child(2) { grid-column: span 6; min-height: 220px; }
  .footer-grid { grid-template-columns: repeat(4, 1fr); }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 600px) {
  .feature-story,
  .feature-story:nth-child(1),
  .feature-story:nth-child(2) { grid-column: 1 / -1; min-height: 0; }
  .compass-row { grid-template-columns: 1fr; gap: .35rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem 1.25rem; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
}

@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover { background: #1d4ed8; box-shadow: 0 12px 30px rgba(37, 99, 235, .28); }
  .btn:hover { transform: translateY(-1px); }
  body.mode-landing #features .card:hover {
    transform: translateY(-4px);
    border-color: color-mix(in srgb, var(--brand) 38%, var(--line));
    box-shadow: var(--shadow-sm);
  }
  .fresh-grad-page .cta:hover { transform: translateY(-2px); background: #1d4ed8; box-shadow: 0 15px 34px rgba(37, 99, 235, .28); }
  .fresh-grad-page .day:hover { transform: translateY(-3px); border-color: #b8cdf3; }
  .founder-social:hover { transform: translateY(-2px); border-color: var(--brand-tint); background: var(--brand-bg); }
  .footer-column a:hover,
  .footer-bottom a:hover { color: var(--brand); }
  .footer-socials a:hover { border-color: var(--brand-tint); color: var(--brand); }
}

@media (min-width: 900px) {
  body.mode-app #app {
    max-width: 27.5rem;
    border-color: var(--line);
    box-shadow: var(--shadow-md);
  }
}

@media (max-width: 767px) {
  body.mode-landing h1 { margin-inline: auto; }
  body.mode-landing .landing-hero > div:nth-child(2) { min-height: auto; }
  body.mode-landing #features .card:hover { transform: none; }
}

@media (max-width: 390px) {
  body.mode-app header > div > button:first-child .grad-text { display: none; }
  body.mode-app header .chip { padding-inline: .45rem; }
  body.mode-app header .btn-ghost { min-width: 40px; padding-inline: .55rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto !important; }
  .view, .pop { transform: none !important; }
  .toast { transform: translateX(-50%) !important; }
  .view, .pop, .toast, .btn, .navbtn, .opt, .progress-fill {
    animation: none !important;
    transition-duration: 120ms !important;
  }
  .progress-fill { transition-property: opacity !important; }
}

@media (prefers-reduced-transparency: reduce) {
  body.mode-app header,
  body.mode-app nav.fixed,
  body.mode-landing header {
    background: var(--card) !important;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
}

@media (prefers-contrast: more) {
  body.mode-app header,
  body.mode-app nav.fixed,
  body.mode-landing header { background: var(--card) !important; border-color: var(--ink3) !important; }
  .card, .learning-compass { border-color: var(--ink3) !important; }
}