/* ============================================================================
   FITFAT LANDING PAGE STYLES
   ============================================================================ */

:root {
  --bg: #0f0f12;        /* tumma tausta */
  --panel: #17171c;     /* korttien tausta */
  --text: #f5f7fb;      /* pääteksti */
  --muted: #9aa3b2;     /* harmaa teksti */
  --primary: #e30018;   /* FitFat‑punainen */
  --primary-600: #b80014;
  --ring: rgba(227,0,24,.35);
  --ok: #22c55e;
  --warn: #f59e0b;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, sans-serif;
  scroll-behavior: smooth;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ============================================================================
   BUTTONS
   ============================================================================ */
.btn {
  display: inline-block;
  padding: 14px 22px;
  border-radius: 14px;
  font-weight: 600;
  background: var(--primary);
  color: white;
  box-shadow: 0 8px 30px var(--ring);
  transition: all .25s ease;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.btn:hover {
  transform: translateY(-2px);
  background: var(--primary-600);
  box-shadow: 0 12px 40px var(--ring);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--text);
  box-shadow: none;
}

.btn-outline:hover {
  background: rgba(227, 0, 24, 0.1);
}

/* ============================================================================
   HEADER & NAVIGATION
   ============================================================================ */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: linear-gradient(to bottom, rgba(15,15,18,.9), rgba(15,15,18,.65) 60%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.nav-links {
  display: flex;
  gap: 22px;
  align-items: center;
}

.nav-links a {
  color: var(--muted);
  transition: color .2s ease;
}

.nav-links a:hover {
  color: var(--text);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: Poppins, Inter, sans-serif;
  font-weight: 700;
  letter-spacing: .2px;
  font-size: 1.25rem;
}

.logo img {
  width: 48px;
  height: 48px;
  border-radius: 10px;
}

/* ============================================================================
   HERO SECTION
   ============================================================================ */
.hero {
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: -40% -10% auto -10%;
  height: 70%;
  background: radial-gradient(60% 60% at 40% 40%, rgba(227,0,24,.25), transparent 60%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 72px 0 40px;
  position: relative;
  z-index: 1;
}

.kicker {
  color: var(--primary);
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-size: 0.875rem;
}

h1 {
  font-family: Poppins, Inter, sans-serif;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.08;
  margin: 10px 0 14px;
}

.sub {
  color: var(--muted);
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: 14px;
  margin-top: 22px;
  flex-wrap: wrap;
}

.hero-card {
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 22px;
  padding: 22px;
}

/* ============================================================================
   FEATURES SECTION
   ============================================================================ */
.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 40px 0;
}

.feature {
  background: var(--panel);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 18px;
  padding: 22px;
  transition: all .3s ease;
}

.feature:hover {
  transform: translateY(-4px);
  border-color: rgba(227,0,24,.3);
  box-shadow: 0 8px 30px rgba(227,0,24,.15);
}

.feature h3 {
  margin: 8px 0;
  font-family: Poppins, Inter, sans-serif;
  font-size: 1.25rem;
}

.badge {
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  color: var(--muted);
  display: inline-block;
}

/* ============================================================================
   SECTIONS
   ============================================================================ */
.section {
  padding: 70px 0;
}

.section h2 {
  font-family: Poppins, Inter, sans-serif;
  font-size: clamp(26px, 3.6vw, 40px);
  margin: 0 0 10px;
}

.muted {
  color: var(--muted);
}

/* ============================================================================
   PRICING
   ============================================================================ */
.pricing {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 26px;
}

.plan {
  position: relative;
  background: var(--panel);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 22px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  transition: all .3s ease;
}

.plan:hover {
  transform: translateY(-6px);
  border-color: rgba(227,0,24,.4);
}

.plan.highlight {
  outline: 2px solid var(--primary);
  box-shadow: 0 10px 40px var(--ring);
  transform: scale(1.05);
}

.plan.highlight:hover {
  transform: scale(1.05) translateY(-6px);
}

.plan h3 {
  margin: 8px 0 4px;
  font-family: Poppins, Inter, sans-serif;
  font-size: 1.5rem;
}

.price {
  font-size: 38px;
  font-weight: 700;
  margin: 10px 0;
  font-family: Poppins, Inter, sans-serif;
}

.period {
  font-size: 14px;
  color: var(--muted);
  font-weight: 400;
}

.plan ul {
  list-style: none;
  padding: 0;
  margin: 16px 0 22px;
}

.plan li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 10px 0;
  color: #dfe3ea;
}

.plan li .check {
  margin-top: 3px;
  width: 18px;
  height: 18px;
  min-width: 18px;
  border-radius: 4px;
  background: linear-gradient(180deg, rgba(34,197,94,.15), rgba(34,197,94,.05));
  border: 1px solid rgba(34,197,94,.4);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.plan li .check svg {
  width: 12px;
  height: 12px;
  fill: none;
  stroke: var(--ok);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.plan .cta {
  margin-top: auto;
}

/* ============================================================================
   PROGRAM SECTION
   ============================================================================ */
.program {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 18px;
}

.step {
  background: var(--panel);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 18px;
  padding: 18px;
  transition: all .3s ease;
}

.step:hover {
  border-color: rgba(227,0,24,.3);
  transform: translateX(4px);
}

.step h3 {
  font-family: Poppins, Inter, sans-serif;
  margin-top: 0;
}

/* ============================================================================
   FAQ
   ============================================================================ */
details {
  background: var(--panel);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 16px;
  padding: 16px;
  transition: all .3s ease;
}

details:hover {
  border-color: rgba(227,0,24,.3);
}

details + details {
  margin-top: 12px;
}

summary {
  cursor: pointer;
  font-weight: 600;
  user-select: none;
}

details[open] summary {
  color: var(--primary);
  margin-bottom: 12px;
}

/* ============================================================================
   FOOTER
   ============================================================================ */
footer {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 22px 0;
  margin-top: 50px;
  color: var(--muted);
}

footer a:hover {
  color: var(--text);
}

/* ============================================================================
   RESPONSIVE
   ============================================================================ */
@media (max-width: 980px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  
  .features {
    grid-template-columns: 1fr 1fr;
  }
  
  .pricing {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .plan.highlight {
    transform: scale(1);
  }
  
  .plan.highlight:hover {
    transform: translateY(-6px);
  }
  
  .program {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .features {
    grid-template-columns: 1fr;
  }
  
  .nav-links a:not(.btn) {
    display: none;
  }
  
  h1 {
    font-size: 32px;
  }
}