/* ==========================================================================
   PANTEION SKILL CARD GAME — PREMIUM LIGHT UI
   ========================================================================== */

:root {
  --bg: #f6f3f1;
  --bg-soft: #eee7e5;
  --surface: rgba(255, 255, 255, 0.92);
  --surface-solid: #ffffff;
  --surface-muted: #f3eceb;

  --text: #262126;
  --text-soft: #655e62;
  --text-faint: #8d8589;

  --primary: #72282d;
  --primary-strong: #541c21;
  --primary-soft: #f3e4e5;

  --accent: #a85b60;
  --accent-strong: #7b3036;
  --accent-soft: #f5e8e9;

  --success: #227151;
  --danger: #a5404d;

  --line: rgba(30, 28, 35, 0.10);
  --line-strong: rgba(114, 40, 45, 0.26);

  --shadow-sm: 0 10px 30px rgba(75, 36, 39, 0.08);
  --shadow-md: 0 22px 60px rgba(75, 36, 39, 0.13);
  --shadow-lg: 0 38px 100px rgba(65, 29, 32, 0.18);

  --radius-sm: 14px;
  --radius-md: 20px;
  --radius-lg: 30px;
  --radius-xl: 38px;

  --max-width: 1140px;
  --content-width: 900px;

  --transition-fast: 160ms ease;
  --transition-normal: 280ms cubic-bezier(.2, .7, .2, 1);

  /*
    Google Sans είναι η βασική γραμματοσειρά του project.
    Φορτώνεται μέσω Google Fonts από το <head>.
  */
  --font-main: "Google Sans", Arial, Helvetica, sans-serif;
}

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

html {
  min-height: 100%;
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  color: var(--text);
  font-family: var(--font-main);
  background:
    radial-gradient(circle at 8% 8%, rgba(114, 40, 45, 0.08), transparent 34%),
    radial-gradient(circle at 92% 88%, rgba(168, 91, 96, 0.08), transparent 30%),
    linear-gradient(145deg, var(--bg), var(--bg-soft));
}

button,
input,
a {
  font: inherit;
}

button {
  cursor: pointer;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(114, 40, 45, 0.25);
  outline-offset: 3px;
}

::selection {
  background: rgba(114, 40, 45, 0.18);
}

body.modal-open {
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */

.app {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding:
    max(18px, env(safe-area-inset-top))
    max(18px, env(safe-area-inset-right))
    max(18px, env(safe-area-inset-bottom))
    max(18px, env(safe-area-inset-left));
}

.shell {
  width: min(var(--max-width), 100%);
}

.topbar {
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
}

.brand-logo-wrap {
  display: flex;
  justify-content: center;
  width: min(560px, 78vw);
}

.brand-logo {
  display: block;
  width: 100%;
  height: auto;
  max-height: 82px;
  object-fit: contain;
  object-position: center;
}

/* --------------------------------------------------------------------------
   Panels
   -------------------------------------------------------------------------- */

.panel {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 62px);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(20px);
}

.panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */

.eyebrow {
  margin-bottom: 10px;
  color: var(--primary);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 820px;
  margin: 0 0 24px;
  font-size: clamp(2.3rem, 5vw, 4.6rem);
  line-height: .98;
  letter-spacing: -.045em;
  text-wrap: balance;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(1.72rem, 3.1vw, 2.75rem);
  line-height: 1.06;
  letter-spacing: -.03em;
  text-wrap: balance;
}

h3 {
  margin: 0;
  font-size: 1.03rem;
  line-height: 1.32;
}

.lead,
.intro-copy,
.final-copy {
  color: var(--text-soft);
  line-height: 1.72;
}

.lead {
  max-width: 760px;
  font-size: clamp(1rem, 2vw, 1.2rem);
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
  min-height: min(700px, calc(100dvh - 120px));
  display: grid;
  align-content: center;
  color: #fff;
  background:
    radial-gradient(circle at 82% 18%, rgba(213, 139, 145, .20), transparent 26%),
    linear-gradient(135deg, #43191d 0%, #72282d 50%, #2d1013 100%);
}

.hero .lead {
  color: rgba(255, 255, 255, .80);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
  margin-top: 28px;
}

.btn {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 14px 21px;
  border: 0;
  border-radius: 16px;
  font-weight: 700;
  text-decoration: none;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    filter var(--transition-fast);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:disabled {
  cursor: wait;
  opacity: .7;
  transform: none;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #a94d55, #74282e);
  box-shadow: 0 14px 32px rgba(74, 28, 32, .20);
}

.btn-secondary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
}

.btn-ghost {
  color: var(--text);
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, .75);
}

/* --------------------------------------------------------------------------
   Category / Program cards
   -------------------------------------------------------------------------- */

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.cardbtn {
  position: relative;
  min-height: 174px;
  overflow: hidden;
  padding: 23px 23px 26px;
  text-align: left;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-solid);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--transition-normal),
    border-color var(--transition-normal),
    box-shadow var(--transition-normal);
}

.cardbtn::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(var(--primary), var(--accent));
}

.cardbtn::after {
  content: "→";
  position: absolute;
  right: 18px;
  bottom: 14px;
  color: var(--primary);
  font-size: 1.35rem;
}

.cardbtn:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-md);
}

.cardbtn small {
  display: block;
  margin-top: 10px;
  padding-right: 28px;
  color: var(--text-soft);
  line-height: 1.48;
}

.cardbtn.disabled {
  cursor: not-allowed;
  opacity: .45;
}

.cardbtn.disabled::after {
  content: "—";
}

.cardbtn h3 {
  font-size: clamp(.98rem, 1.35vw, 1.08rem);
  overflow-wrap: anywhere;
}

.breadcrumb {
  width: fit-content;
  max-width: 100%;
  margin-bottom: 18px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-soft);
  background: var(--surface-muted);
  font-size: .88rem;
}

/* --------------------------------------------------------------------------
   Progress
   -------------------------------------------------------------------------- */

.progress-wrap {
  margin-bottom: 20px;
}

.progress-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
  color: var(--text-soft);
  font-size: .84rem;
  font-weight: 700;
}

.progress {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--surface-muted);
}

.progress > div {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width 350ms ease;
}

/* --------------------------------------------------------------------------
   Quiz / Flip card
   -------------------------------------------------------------------------- */

.quiz-shell {
  max-width: var(--content-width);
  margin-inline: auto;
}

.flip-wrap {
  min-height: 570px;
  perspective: 1500px;
}

.flip-card {
  position: relative;
  min-height: 570px;
  transform-style: preserve-3d;
  transition: transform 620ms cubic-bezier(.2, .7, .2, 1);
}

.flip-card.flipped {
  transform: rotateY(180deg);
}

.face {
  position: absolute;
  inset: 0;
  overflow: auto;
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--surface-solid);
  box-shadow: var(--shadow-md);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.face::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.face.back {
  display: flex;
  flex-direction: column;
  justify-content: center;
  transform: rotateY(180deg);
}

.question-tag {
  width: fit-content;
  margin-bottom: 16px;
  padding: 7px 10px;
  border-radius: 999px;
  color: var(--primary);
  background: var(--primary-soft);
  font-size: .74rem;
  font-weight: 700;
  text-transform: uppercase;
}

.question {
  margin-bottom: 24px;
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.46;
}

.options {
  display: grid;
  gap: 11px;
}

.option {
  width: 100%;
  min-height: 64px;
  display: grid;
  grid-template-columns: 38px 1fr;
  align-items: start;
  gap: 12px;
  padding: 14px 15px;
  color: var(--text);
  text-align: left;
  line-height: 1.46;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-solid);
  transition:
    transform var(--transition-fast),
    border-color var(--transition-fast),
    background var(--transition-fast);
}

.option:hover {
  transform: translateX(3px);
  border-color: var(--line-strong);
  background: #fbf6f6;
}

.option strong {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: var(--primary);
  background: var(--primary-soft);
}

.result-mark {
  margin-bottom: 12px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.result-mark.ok {
  color: var(--success);
}

.result-mark.bad {
  color: var(--danger);
}

.answer-title {
  font-size: clamp(1.75rem, 3.2vw, 2.7rem);
}

.learning {
  margin-top: 8px;
  padding: 18px 19px;
  border: 1px solid rgba(114, 40, 45, 0.16);
  border-radius: 17px;
  background: var(--accent-soft);
  line-height: 1.62;
}

.learning b {
  display: block;
  margin-bottom: 7px;
  color: var(--accent-strong);
  font-size: .82rem;
  letter-spacing: .07em;
  text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   Intro / Final cards
   -------------------------------------------------------------------------- */

.intro-layout,
.final-layout {
  max-width: 900px;
}

.intro-layout h2 {
  font-size: clamp(1.55rem, 2.7vw, 2.45rem);
}

.intro-copy,
.final-copy {
  max-width: 830px;
  font-size: 1.04rem;
}

.final-copy {
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.6;
}

.final-copy p {
  font-weight: 400;
}

.intro-copy p,
.final-copy p {
  margin-bottom: 9px;
}

.score {
  width: fit-content;
  display: inline-flex;
  margin-bottom: 18px;
  padding: 9px 14px;
  border-radius: 999px;
  color: var(--primary);
  background: var(--primary-soft);
  font-weight: 700;
}

/*
  Ο βασικός τελικός τίτλος είναι μικρότερος από πριν.
  Αν το κείμενο είναι πολύ μεγάλο, μειώνεται δυναμικά μέσω class.
*/
.final-title {
  max-width: 930px;
  font-size: clamp(1.75rem, 2.8vw, 2.55rem);
  line-height: 1.10;
}

.final-title--long {
  font-size: clamp(1.5rem, 2.3vw, 2.05rem);
  line-height: 1.18;
}

.final-title--xlong {
  font-size: clamp(1.34rem, 1.95vw, 1.78rem);
  line-height: 1.25;
}

.final-title--xxlong {
  font-size: clamp(1.22rem, 1.65vw, 1.55rem);
  line-height: 1.33;
  letter-spacing: -.018em;
}

/* --------------------------------------------------------------------------
   Lead popup form
   -------------------------------------------------------------------------- */

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding:
    max(18px, env(safe-area-inset-top))
    max(18px, env(safe-area-inset-right))
    max(18px, env(safe-area-inset-bottom))
    max(18px, env(safe-area-inset-left));
  background: rgba(24, 13, 15, .52);
  backdrop-filter: blur(10px);
  opacity: 0;
  transition: opacity 180ms ease;
}

.modal-backdrop.is-visible {
  opacity: 1;
}

.lead-modal {
  position: relative;
  width: min(560px, 100%);
  max-height: calc(100dvh - 36px);
  overflow: auto;
  padding: clamp(25px, 5vw, 42px);
  border: 1px solid rgba(114, 40, 45, .14);
  border-radius: 28px;
  background: #fff;
  box-shadow: 0 30px 90px rgba(53, 19, 23, .28);
  transform: translateY(14px) scale(.985);
  transition: transform 180ms ease;
}

.modal-backdrop.is-visible .lead-modal {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--text);
  background: var(--surface-muted);
  font-size: 1.55rem;
  line-height: 1;
}

.modal-intro {
  margin-bottom: 22px;
  color: var(--text-soft);
  line-height: 1.55;
}

.lead-form {
  display: grid;
  gap: 16px;
}

.form-field {
  display: grid;
  gap: 7px;
}

.form-field label {
  color: var(--text);
  font-size: .9rem;
  font-weight: 700;
}

.form-field input {
  width: 100%;
  min-height: 52px;
  padding: 12px 14px;
  border: 1px solid rgba(38, 33, 38, .14);
  border-radius: 13px;
  color: var(--text);
  background: #fff;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.form-field input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(114, 40, 45, .08);
  outline: none;
}

.form-honeypot {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

.form-note {
  margin: 0;
  color: var(--text-faint);
  font-size: .82rem;
  line-height: 1.48;
}

.privacy-note {
  margin: 0;
  padding: 12px 14px;
  border-radius: 12px;
  color: var(--text-soft);
  background: var(--surface-muted);
  font-size: .78rem;
  line-height: 1.5;
}

.privacy-note strong {
  color: var(--text);
  font-weight: 700;
}

.form-message {
  min-height: 1.3em;
  font-size: .88rem;
  line-height: 1.4;
}

.form-message.success {
  color: var(--success);
}

.form-message.error {
  color: var(--danger);
}

.form-submit {
  width: 100%;
  margin-top: 2px;
}

/* --------------------------------------------------------------------------
   Tablet
   -------------------------------------------------------------------------- */

@media (max-width: 860px) {
  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .flip-wrap,
  .flip-card {
    min-height: 620px;
  }
}

/* --------------------------------------------------------------------------
   Mobile
   -------------------------------------------------------------------------- */

@media (max-width: 600px) {
  .app {
    place-items: stretch;
    padding: 0;
  }

  .shell {
    width: 100%;
  }

  .topbar {
    margin: 0;
    padding:
      max(14px, env(safe-area-inset-top))
      14px
      10px;
  }

  .brand-logo-wrap {
    width: min(330px, 88vw);
  }

  .brand-logo {
    max-height: 58px;
  }

  .panel {
    min-height: 100vh;
    min-height: 100dvh;
    padding:
      28px
      max(18px, env(safe-area-inset-right))
      max(28px, env(safe-area-inset-bottom))
      max(18px, env(safe-area-inset-left));
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .hero {
    min-height: calc(100dvh - 82px);
    padding-top: 34px;
  }

  h1 {
    font-size: clamp(2rem, 10vw, 2.9rem);
    line-height: 1;
  }

  h2 {
    font-size: clamp(1.65rem, 8vw, 2.35rem);
  }

  .grid {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 20px;
  }

  .cardbtn {
    min-height: 128px;
    padding: 19px;
  }

  .actions {
    display: grid;
    grid-template-columns: 1fr;
    margin-top: 22px;
  }

  .btn {
    width: 100%;
    min-height: 55px;
  }

  .progress-wrap {
    position: sticky;
    top: 0;
    z-index: 20;
    margin-top: -8px;
    padding: 6px 0 12px;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(14px);
  }

  .flip-wrap,
  .flip-card {
    min-height: calc(100dvh - 170px);
  }

  .face {
    padding: 22px 17px 24px;
    border-radius: 20px;
  }

  .question {
    font-size: 1rem;
    line-height: 1.44;
  }

  .option {
    min-height: 62px;
    grid-template-columns: 34px 1fr;
    gap: 10px;
    padding: 12px;
    font-size: .94rem;
  }

  .final-title {
    font-size: clamp(1.5rem, 7.2vw, 2rem);
  }

  .final-title--long {
    font-size: clamp(1.34rem, 6.3vw, 1.75rem);
  }

  .final-title--xlong,
  .final-title--xxlong {
    font-size: clamp(1.18rem, 5.35vw, 1.48rem);
    line-height: 1.32;
  }

  .lead-modal {
    max-height: calc(100dvh - 24px);
    padding: 28px 18px 20px;
    border-radius: 22px;
  }
}

/* --------------------------------------------------------------------------
   Reduced motion
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
  }

  .flip-card,
  .btn,
  .cardbtn,
  .option,
  .modal-backdrop,
  .lead-modal {
    transition: none !important;
  }
}
