/* ============================================================
   STYLES.CSS — komponentit
   Vain layout, spacing, positioning, background, border, transition.
   EI: font-family, font-size, color, text-transform — nämä tulevat
       font__-luokista ja kontekstiluokista.
   ============================================================ */

/* ============================================================
   HEADER
   ============================================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-accent);
  border-bottom: 1px solid var(--color-accent-dark);
}

.header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: var(--space-xl);
}

/* ---- Logo ---- */

.header__logo {
  display: flex;
  align-items: center;
  gap: 0;
  text-decoration: none;
  flex-shrink: 0;
  color: var(--color-dark);
}

.header__logo .logo-dot {
  color: var(--color-dark-2);
  opacity: 0.7;
}

/* ---- Desktop nav ---- */

.header__nav {
  display: flex;
  align-items: center;
  align-self: stretch;
}

.header__nav-list {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 0;
}

.header__nav-item {
  position: relative;
  display: flex;
  align-items: center;
  align-self: stretch;
}

.header__nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 var(--space-md);
  height: 100%;
  color: var(--color-dark);
  text-decoration: none;
  transition: background-color var(--tr-fast), color var(--tr-fast);
  white-space: nowrap;
  position: relative;
}

.header__nav-link:hover {
  background-color: var(--color-accent-dark);
}

.header__nav-link .chevron {
  font-size: 0.6rem;
  opacity: 0.7;
  transition: transform var(--tr-base);
  display: inline-block;
}

.header__nav-item:hover .chevron {
  transform: rotate(180deg);
}

/* ---- Dropdown ---- */

.header__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  box-shadow: 0 8px 32px rgba(15, 17, 23, 0.10);
  min-width: 200px;
  padding: var(--space-xs) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity var(--tr-base), transform var(--tr-base), visibility var(--tr-base);
  z-index: 200;
}

.header__nav-item:hover .header__dropdown,
.header__nav-item.open .header__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.header__dropdown li a {
  display: block;
  padding: 0.5rem var(--space-lg);
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--fs-small);
  font-weight: 400;
  transition: background-color var(--tr-fast), color var(--tr-fast);
}

.header__dropdown li a:hover {
  background-color: var(--color-accent-bg);
  color: var(--color-accent-dark);
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  flex-direction: column;
  gap: 5px;
  align-items: center;
  justify-content: center;
}

.nav-toggle__bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-dark);
  transition: transform var(--tr-base), opacity var(--tr-base);
}

/* ---- Mobile nav overlay ---- */

.mobile-nav {
  display: none;
  position: fixed;
  inset: var(--header-height) 0 0 0;
  background-color: var(--color-bg);
  z-index: 99;
  overflow-y: auto;
  padding: var(--space-lg) var(--space-md) var(--space-2xl);
  border-top: 1px solid var(--color-border);
}

.mobile-nav.open { display: block; }

.mobile-nav__list { display: flex; flex-direction: column; }

.mobile-nav__link {
  display: block;
  padding: 0.85rem 0;
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav__toggle {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  border-bottom: 1px solid var(--color-border);
  padding: 0.85rem 0;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
  cursor: pointer;
}

.mobile-nav__toggle .chevron {
  font-size: 0.7rem;
  transition: transform var(--tr-fast);
}

.mobile-nav__toggle.open .chevron { transform: rotate(180deg); }

.mobile-nav__sub {
  display: none;
  padding: var(--space-sm) 0 var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav__sub.open { display: block; }

.mobile-nav__sub a {
  display: block;
  padding: 0.4rem 0;
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  font-weight: 400;
}

/* ---- Responsive header ---- */

@media (max-width: 900px) {
  .header__nav  { display: none; }
  .nav-toggle   { display: flex; }
  .header__inner { padding: 0 var(--space-lg); }
}

@media (max-width: 680px) {
  .header__inner { padding: 0 var(--space-md); }
}

/* ============================================================
   HERO
   ============================================================ */

.hero {
  position: relative;
  width: 100%;
  min-height: max(60vh, 400px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__image-wrapper {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.hero__image-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(15, 17, 23, 0.90) 0%,
    rgba(15, 17, 23, 0.55) 45%,
    rgba(15, 17, 23, 0.30) 100%
  );
}

.hero__container {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-xl);
  width: 100%;
  display: flex;
  justify-content: center;
}

.hero__content {
  max-width: 640px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
  text-align: center;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
  margin-top: var(--space-sm);
}

@media (max-width: 900px) {
  .hero__container { padding: var(--space-2xl) var(--space-lg); }
}

@media (max-width: 680px) {
  .hero__container { padding: var(--space-xl) var(--space-md); }
}

/* ============================================================
   PWO INTRO — dark split section (image left flush, text right)
   ============================================================ */

.pwo-intro {
  background-color: #0B0B0B;
  display: grid;
  grid-template-columns: 50% 1fr;
  align-items: end;
  overflow: hidden;
}

.pwo-intro__image {
  display: flex;
  justify-content: flex-start; /* image flush with section left edge */
  align-self: end;
}

.pwo-intro__image img {
  display: block;
  min-width: 510px;
  max-width: 625px;
  width: 100%;
  /* no height — natural aspect ratio; overflows left when column < min-width */
}

.pwo-intro__content {
  align-self: center;
  padding: var(--space-2xl) var(--space-2xl) var(--space-2xl) var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  max-width: 580px;
}

@media (max-width: 900px) {
  .pwo-intro {
    grid-template-columns: 1fr;
  }

  .pwo-intro__image {
    display: none;
  }

  .pwo-intro__content {
    padding: var(--space-xl) var(--space-lg);
    max-width: 100%;
  }
}

@media (max-width: 680px) {
  .pwo-intro__content {
    padding: var(--space-xl) var(--space-md);
  }
}

/* ============================================================
   CATEGORY CARDS
   ============================================================ */

.category-card {
  background-color: #f5f7fb;
  border: none;
  padding: var(--space-lg) var(--space-lg) calc(var(--space-lg) + 1.6rem);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  text-decoration: none;
  color: inherit;
  position: relative;
  transition: background-color var(--tr-base);
}

/* Arrow — visible always, signals clickability on mobile too */
.category-card::after {
  content: '→';
  position: absolute;
  bottom: var(--space-lg);
  right: var(--space-lg);
  font-size: 0.85rem;
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--color-accent-dark);
  transition: transform var(--tr-fast), color var(--tr-fast);
}

.category-card:hover {
  background-color: var(--color-accent-bg);
}

.category-card:hover::after {
  transform: translateX(3px);
  color: var(--color-accent);
}

.category-card__name {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.2;
  margin: 0;
  transition: color var(--tr-fast);
}

.category-card:hover .category-card__name {
  color: var(--color-accent-dark);
}

.category-card__desc {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  line-height: 1.6;
  flex-grow: 1;
}

/* ============================================================
   INFO SECTION — 2 kolumnia
   ============================================================ */

.info-card {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.info-card--blue {
  background-color: var(--color-accent);
}

.info-card--warm {
  background-color: #e3e3e3;
}

/* Tekstivärit — blue kortti */
.info-card--blue h2, .info-card--blue h3,
.info-card--blue .font__h2, .info-card--blue .font__h3 {
  color: var(--color-dark);
}

.info-card--blue p,
.info-card--blue li,
.info-card--blue .font__body {
  color: var(--color-dark-2);
}

.info-card--blue .font__eyebrow {
  color: rgba(15, 17, 23, 0.50);
}

/* Tekstivärit — grey kortti */
.info-card--warm h2, .info-card--warm h3,
.info-card--warm .font__h2, .info-card--warm .font__h3 {
  color: var(--color-dark);
}

.info-card--warm p,
.info-card--warm li,
.info-card--warm .font__body {
  color: var(--color-dark-2);
}

.info-card--warm .font__eyebrow {
  color: rgba(15, 17, 23, 0.50);
}

/* Listat info-korteissa */
.info-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.info-card ul li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: var(--fs-body);
  line-height: 1.6;
  font-family: var(--font-body);
}

.info-card--blue ul li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--color-dark);
  flex-shrink: 0;
  margin-top: 0.6em;
}

.info-card--warm ul li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--color-playful);
  flex-shrink: 0;
  margin-top: 0.6em;
}

/* ============================================================
   AINESOSAT SECTION
   ============================================================ */

.ingredients-intro {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.ingredients-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.ingredient-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.ingredient-group__label {
  font-family: var(--font-body);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
}

.ingredient-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.ingredient-pill {
  display: inline-block;
  padding: 0.4rem 0.95rem;
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 500;
  text-decoration: none;
  transition: background-color var(--tr-fast), color var(--tr-fast);
  letter-spacing: 0.02em;
}

.ingredient-pill--stim {
  background-color: var(--color-playful-bg);
  color: var(--color-playful);
  border: 1px solid rgba(255, 123, 84, 0.3);
}
.ingredient-pill--stim:hover {
  background-color: var(--color-playful);
  color: #fff;
}

.ingredient-pill--pump {
  background-color: var(--color-accent-bg);
  color: var(--color-accent-dark);
  border: 1px solid rgba(142, 198, 220, 0.45);
}
.ingredient-pill--pump:hover {
  background-color: var(--color-accent);
  color: var(--color-dark);
}

.ingredient-pill--performance {
  background-color: #f0f4f8;
  color: #4a5568;
  border: 1px solid rgba(74, 85, 104, 0.18);
}
.ingredient-pill--performance:hover {
  background-color: #4a5568;
  color: #fff;
}

.ingredient-pill--nootropic {
  background-color: #f3f0ff;
  color: #6b52d4;
  border: 1px solid rgba(107, 82, 212, 0.22);
}
.ingredient-pill--nootropic:hover {
  background-color: #6b52d4;
  color: #fff;
}

.ingredients-note {
  background-color: #fffbeb;
  border-left: 3px solid #f59e0b;
  padding: var(--space-md) var(--space-lg);
  font-family: var(--font-body);
  font-size: var(--fs-small);
  color: #92400e;
  line-height: 1.65;
}

.ingredients-note a {
  color: #92400e;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

@media (max-width: 900px) {
  .ingredients-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   FAQ
   ============================================================ */

.faq-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-border);
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: var(--space-lg) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
}

.faq-question__text {
  font-family: var(--font-display);
  font-size: var(--fs-h4);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
}

.faq-question__icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background-color: var(--color-accent-bg);
  border: 1px solid rgba(142, 198, 220, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--color-accent-dark);
  transition: transform var(--tr-fast), background-color var(--tr-fast), color var(--tr-fast);
}

.faq-item.open .faq-question__icon {
  transform: rotate(45deg);
  background-color: var(--color-accent);
  color: var(--color-dark);
  border-color: var(--color-accent);
}

.faq-answer {
  display: none;
  padding: 0 2rem var(--space-lg) 0;
}

.faq-item.open .faq-answer { display: block; }

.faq-answer p {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-sm);
}

.faq-answer a {
  color: var(--color-accent-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-size: var(--fs-small);
  font-weight: 500;
}

.faq-answer a:hover { color: var(--color-accent); }

/* ============================================================
   PAGE HERO — kategoria- ja sisältösivujen hero (ei kuvaa)
   ============================================================ */

.page-hero {
  background-color: var(--color-dark);
  padding: var(--space-2xl) 0 var(--space-xl);
}

.page-hero .container {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.breadcrumb {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  color: var(--color-text-on-dark-muted);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--color-text-on-dark-muted);
  text-decoration: none;
  transition: color var(--tr-fast);
}

.breadcrumb a:hover { color: var(--color-accent); }

.breadcrumb .sep { opacity: 0.4; }

.page-hero__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 680px;
}

.page-hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
  margin-top: var(--space-sm);
}

@media (max-width: 680px) {
  .page-hero { padding: var(--space-xl) 0; }
}

/* ============================================================
   ARTICLE BODY — pitkä sisältöteksti ainesosa/kategoriasivuilla
   ============================================================ */

.article-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  max-width: 720px;
}

.article-body h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, var(--fs-h2));
  font-weight: 600;
  line-height: 1.1;
  color: var(--color-text);
  margin-top: var(--space-sm);
}

.article-body h3 {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 600;
  color: var(--color-text);
  margin-top: var(--space-xs);
}

.article-body p {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--color-text-muted);
  line-height: 1.8;
}

.article-body ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding-left: var(--space-md);
}

.article-body ul li {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--color-text-muted);
  line-height: 1.7;
  list-style: disc;
  padding-left: var(--space-xs);
}

/* ---- Kainaloboksi / infobox ---- */

.infobox {
  background-color: var(--color-accent-bg);
  border-left: 3px solid var(--color-accent);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.infobox__title {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--color-accent-dark);
}

.infobox p {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  color: var(--color-text);
  line-height: 1.7;
}

/* ---- Taulukko (annokset) ---- */

.dose-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: var(--fs-small);
}

.dose-table th {
  text-align: left;
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-dark);
  color: var(--color-text-on-dark);
  font-weight: 600;
  letter-spacing: 0.03em;
}

.dose-table td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
  vertical-align: top;
  line-height: 1.6;
}

.dose-table tr:last-child td { border-bottom: none; }
.dose-table tr:nth-child(even) td { background-color: var(--color-bg-off); }

/* ---- Liittyvät kategoriat — kompakti grid etusivun korteista ---- */

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
}

@media (max-width: 900px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .related-grid { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  background-color: var(--color-dark);
  padding: var(--space-2xl) 0 var(--space-lg);
}

.footer__main {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid rgba(244, 248, 250, 0.08);
}

.footer__brand-name {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-text-on-dark);
  letter-spacing: var(--ls-tight);
  margin-bottom: var(--space-sm);
}

.footer__brand-name span { color: var(--color-accent); }

.footer__tagline {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  color: var(--color-text-on-dark-muted);
  line-height: 1.7;
  max-width: 260px;
}

.footer__nav-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.footer__nav-col-title {
  font-family: var(--font-body);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--color-accent);
  display: block;
  margin-bottom: var(--space-md);
}

.footer__nav-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__nav-col a {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  color: var(--color-text-on-dark-muted);
  text-decoration: none;
  transition: color var(--tr-fast);
  line-height: 1.4;
}

.footer__nav-col a:hover { color: var(--color-text-on-dark); }

.footer__seo-text {
  padding: var(--space-xl) 0;
  border-bottom: 1px solid rgba(244, 248, 250, 0.08);
}

.footer__seo-text p {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  color: var(--color-text-on-dark-muted);
  line-height: 1.8;
  max-width: 820px;
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
  padding-top: var(--space-lg);
}

.footer__copyright {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: rgba(244, 248, 250, 0.35);
}

.footer__bottom-links {
  display: flex;
  gap: var(--space-lg);
}

.footer__bottom-links a {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: rgba(244, 248, 250, 0.35);
  text-decoration: none;
  transition: color var(--tr-fast);
}

.footer__bottom-links a:hover { color: var(--color-text-on-dark); }

/* ---- Responsive footer ---- */

@media (max-width: 900px) {
  .footer__main       { grid-template-columns: 1fr; gap: var(--space-xl); }
  .footer__nav-grid   { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 650px) {
  .footer__nav-grid { grid-template-columns: 1fr 1fr; }
}