:root {
  --color-bg: #F1F5F9;
  --color-accent: #06B6D4;
  --color-text: #222E3A;
  --color-muted: #64748B;
  --color-card-bg: rgba(241,245,249,0.96);
  --color-shadow: 0 4px 24px 0 rgba(6,182,212,0.07), 0 1.5px 6px 0 rgba(60,80,120,0.03);
  --color-gradient: linear-gradient(135deg, rgba(6,182,212,0.04) 0%, rgba(241,245,249,0.9) 100%);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 9px;
  --radius-xs: 6px;
  --transition: 0.22s cubic-bezier(.4,0,.2,1);
  --container-max: 1240px;
  --font-main: 'Inter', 'Segoe UI', Arial, sans-serif;
  --font-size: 14px;
  --font-size-lg: 1.4rem;
  --font-size-xl: 2.1rem;
  --font-size-xxl: 2.7rem;
  --header-height: 68px;
}

html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: var(--font-main);
  font-size: var(--font-size);
  background: var(--color-bg);
  color: var(--color-text);
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body.blockpuzzle-body {
  min-height: 100vh;
  background: var(--color-bg);
  background-image: var(--color-gradient);
  background-attachment: fixed;
  letter-spacing: 0.01em;
}

.blockpuzzle-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 2vw;
  width: 100%;
}

a, .blockpuzzle-nav__link {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
  font-weight: 500;
}

a:hover, .blockpuzzle-nav__link:hover {
  color: #0e7490;
  text-decoration: underline;
}

header.blockpuzzle-header {
  background: var(--color-card-bg);
  box-shadow: var(--color-shadow);
  position: sticky;
  top: 0;
  z-index: 10;
  min-height: var(--header-height);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  margin-bottom: 18px;
  transition: box-shadow var(--transition), background 0.18s;
}

.blockpuzzle-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0.6rem 2vw;
}

.blockpuzzle-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.blockpuzzle-logo__img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px 0 rgba(6,182,212,0.08);
  background: #fff;
}

.blockpuzzle-nav {
  display: flex;
  align-items: center;
}
.blockpuzzle-nav__list {
  display: flex;
  gap: 1.6rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.blockpuzzle-nav__item {
  position: relative;
}
.blockpuzzle-nav__link {
  padding: 7px 0;
  border-bottom: 1px solid transparent;
  font-size: 1em;
  border-radius: var(--radius-xs);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.blockpuzzle-nav__link:hover, .blockpuzzle-nav__link:focus {
  color: var(--color-accent);
  background: rgba(6,182,212,0.07);
  border-bottom: 1px solid var(--color-accent);
}

@media (max-width: 900px) {
  .blockpuzzle-header__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .blockpuzzle-nav__list {
    gap: 1rem;
    flex-wrap: wrap;
  }
}

@media (max-width: 600px) {
  header.blockpuzzle-header {
    border-radius: 0;
    min-height: 56px;
  }
  .blockpuzzle-header__inner {
    padding: 0.5rem 4vw;
  }
  .blockpuzzle-nav__list {
    gap: 0.7rem;
    font-size: 0.95em;
  }
  .blockpuzzle-logo__img {
    width: 32px;
    height: 32px;
  }
}

/* HERO */
.blockpuzzle-hero {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 38px;
  padding: 2.8rem 0 2rem 0;
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--color-shadow);
  margin-bottom: 2.5rem;
  background-image: var(--color-gradient);
  position: relative;
  overflow: hidden;
}
.blockpuzzle-hero__media {
  flex: 1 1 340px;
  min-width: 320px;
  max-width: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.blockpuzzle-hero__video, .blockpuzzle-hero__image {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: 0 6px 32px 0 rgba(6,182,212,0.08);
  object-fit: cover;
  max-height: 340px;
  background: #fff;
}
.blockpuzzle-hero__video {
  display: block;
  position: absolute;
  z-index: 1;
  opacity: 0.92;
  transition: opacity var(--transition);
}
.blockpuzzle-hero__image {
  display: block;
  position: relative;
  z-index: 2;
  opacity: 0.96;
  transition: opacity var(--transition);
}
.blockpuzzle-hero__content {
  flex: 2 1 420px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.3rem;
  min-width: 0;
}
.blockpuzzle-hero__title {
  font-size: var(--font-size-xxl);
  font-weight: 800;
  margin: 0 0 0.3em 0;
  letter-spacing: -0.01em;
  color: var(--color-text);
  text-shadow: 0 2px 12px rgba(6,182,212,0.04);
}
.blockpuzzle-hero__subtitle {
  font-size: 1.15em;
  color: var(--color-muted);
  margin: 0 0 0.7em 0;
  font-weight: 400;
}
.blockpuzzle-hero__cols {
  display: flex;
  gap: 2.2rem;
  margin-bottom: 0.7em;
}
.blockpuzzle-hero__col {
  flex: 1 1 0;
}
.blockpuzzle-hero__list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.blockpuzzle-hero__list li {
  position: relative;
  margin-bottom: 0.5em;
  padding-left: 1.2em;
  color: var(--color-text);
  font-weight: 500;
  font-size: 1em;
}
.blockpuzzle-hero__list li::before {
  content: "";
  display: inline-block;
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 0.65em;
  height: 0.65em;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0.15;
  box-shadow: 0 0 0 2px var(--color-accent);
}
.blockpuzzle-hero__actions {
  display: flex;
  gap: 1.2rem;
  margin-top: 0.7em;
}
.blockpuzzle-btn {
  display: inline-block;
  padding: 0.68em 1.55em;
  font-size: 1em;
  font-weight: 700;
  border-radius: var(--radius-md);
  background: var(--color-accent);
  color: #fff;
  border: none;
  box-shadow: 0 2px 8px 0 rgba(6,182,212,0.08);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  position: relative;
  outline: none;
  border-bottom: 1px solid transparent;
}
.blockpuzzle-btn:hover, .blockpuzzle-btn:focus {
  background: #fff;
  color: var(--color-accent);
  box-shadow: 0 4px 16px 0 rgba(6,182,212,0.13);
  border-bottom: 1px solid var(--color-accent);
}
.blockpuzzle-btn--ghost {
  background: #fff;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  box-shadow: none;
}
.blockpuzzle-btn--ghost:hover, .blockpuzzle-btn--ghost:focus {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
  box-shadow: 0 4px 16px 0 rgba(6,182,212,0.13);
}

@media (max-width: 1100px) {
  .blockpuzzle-hero {
    flex-direction: column;
    gap: 2.2rem;
    padding: 2rem 0 1.5rem 0;
  }
  .blockpuzzle-hero__media {
    max-width: 100%;
    min-width: 0;
    width: 100%;
    margin-bottom: 1.2rem;
  }
  .blockpuzzle-hero__content {
    width: 100%;
    min-width: 0;
  }
  .blockpuzzle-hero__cols {
    flex-direction: column;
    gap: 1.1rem;
  }
}

@media (max-width: 600px) {
  .blockpuzzle-hero {
    padding: 1.2rem 0 0.7rem 0;
    border-radius: var(--radius-md);
    margin-bottom: 1.2rem;
  }
  .blockpuzzle-hero__title {
    font-size: 1.5rem;
  }
  .blockpuzzle-hero__media {
    max-width: 100vw;
  }
}

/* Screenshots Section */
.blockpuzzle-screenshots {
  margin: 2.5rem 0 2.5rem 0;
  background: var(--color-card-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--color-shadow);
  padding: 2.2rem 0;
  background-image: var(--color-gradient);
}
.blockpuzzle-screenshots__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: 0.3em;
  color: var(--color-text);
}
.blockpuzzle-screenshots__intro {
  color: var(--color-muted);
  margin-bottom: 1.3em;
}
.blockpuzzle-screenshots__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.6rem;
}
.blockpuzzle-shot {
  background: #fff;
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 10px 0 rgba(6,182,212,0.06);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  transition: box-shadow var(--transition), transform var(--transition);
  position: relative;
}
.blockpuzzle-shot:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 8px 32px 0 rgba(6,182,212,0.13);
}
.blockpuzzle-shot__img {
  width: 100%;
  height: 170px;
  object-fit: cover;
  background: #f8fafc;
  display: block;
}
.blockpuzzle-shot__cap {
  padding: 0.8em 1em 0.9em 1em;
  font-size: 0.98em;
  color: var(--color-muted);
  text-align: center;
  background: rgba(241,245,249,0.96);
  font-weight: 500;
  border-top: 1px solid rgba(6,182,212,0.07);
}

@media (max-width: 1000px) {
  .blockpuzzle-screenshots__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.1rem;
  }
  .blockpuzzle-shot__img {
    height: 120px;
  }
}
@media (max-width: 600px) {
  .blockpuzzle-screenshots {
    padding: 1rem 0;
    border-radius: var(--radius-xs);
    margin: 1.2rem 0;
  }
  .blockpuzzle-screenshots__grid {
    grid-template-columns: 1fr;
    gap: 0.7rem;
  }
  .blockpuzzle-shot__img {
    height: 90px;
  }
}

/* Features Section */
.blockpuzzle-features {
  margin: 2.5rem 0;
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--color-shadow);
  padding: 2.4rem 0;
  background-image: var(--color-gradient);
}
.blockpuzzle-features__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: 0.5em;
}
.blockpuzzle-features__lead {
  color: var(--color-muted);
  font-size: 1.03em;
  margin-bottom: 1.5em;
  max-width: 700px;
}
.blockpuzzle-features__grid {
  display: grid;
  grid-template-columns: 1.1fr 1.3fr;
  gap: 2.3rem;
  margin-bottom: 2.1rem;
}
.blockpuzzle-features__col {
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 10px 0 rgba(6,182,212,0.06);
  padding: 1.7rem 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.8em;
  min-width: 0;
}
.blockpuzzle-features__col h3 {
  font-size: 1.1em;
  font-weight: 700;
  margin-bottom: 0.7em;
  color: var(--color-text);
}
.blockpuzzle-features__col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.blockpuzzle-features__col ul li {
  position: relative;
  padding-left: 1.1em;
  margin-bottom: 0.5em;
}
.blockpuzzle-features__col ul li::before {
  content: "";
  display: inline-block;
  position: absolute;
  left: 0;
  top: 0.44em;
  width: 0.55em;
  height: 0.55em;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0.13;
  box-shadow: 0 0 0 1.5px var(--color-accent);
}
.blockpuzzle-features__img {
  width: 100%;
  max-height: 300px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-top: 1.1em;
  box-shadow: 0 2px 10px 0 rgba(6,182,212,0.06);
}
.blockpuzzle-features__extras {
  margin-top: 1.5em;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 10px 0 rgba(6,182,212,0.06);
  padding: 1.4rem 2rem;
}
.blockpuzzle-features__extras h3 {
  margin-bottom: 0.7em;
  font-size: 1.06em;
  font-weight: 700;
}
.blockpuzzle-features__extras ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 2.5em;
  flex-wrap: wrap;
}
.blockpuzzle-features__extras ul li {
  position: relative;
  padding-left: 1.1em;
  margin-bottom: 0.4em;
}
.blockpuzzle-features__extras ul li::before {
  content: "";
  display: inline-block;
  position: absolute;
  left: 0;
  top: 0.44em;
  width: 0.55em;
  height: 0.55em;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0.13;
  box-shadow: 0 0 0 1.5px var(--color-accent);
}

@media (max-width: 900px) {
  .blockpuzzle-features__grid {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
  .blockpuzzle-features__col {
    padding: 1.3rem 1.2rem;
  }
  .blockpuzzle-features__img {
    max-height: 200px;
  }
}

@media (max-width: 600px) {
  .blockpuzzle-features {
    padding: 1.1rem 0;
    border-radius: var(--radius-xs);
    margin: 1.2rem 0;
  }
  .blockpuzzle-features__extras {
    padding: 1rem 1.1rem;
    border-radius: var(--radius-xs);
  }
}

/* Modes Section */
.blockpuzzle-modes {
  margin: 2.5rem 0;
  background: var(--color-card-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--color-shadow);
  padding: 2.2rem 0;
  background-image: var(--color-gradient);
}
.blockpuzzle-modes__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: 1.1em;
}
.blockpuzzle-modes__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.2rem;
}
.blockpuzzle-mode {
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 10px 0 rgba(6,182,212,0.06);
  padding: 1.5rem 1.4rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.7em;
  min-width: 0;
  transition: box-shadow var(--transition), transform var(--transition);
}
.blockpuzzle-mode:hover {
  transform: translateY(-4px) scale(1.015);
  box-shadow: 0 8px 32px 0 rgba(6,182,212,0.13);
}
.blockpuzzle-mode h3 {
  font-size: 1.07em;
  font-weight: 700;
  margin-bottom: 0.5em;
}
.blockpuzzle-mode__img {
  width: 100%;
  max-height: 120px;
  object-fit: cover;
  border-radius: var(--radius-xs);
  margin-top: 0.7em;
  box-shadow: 0 1px 6px 0 rgba(6,182,212,0.06);
}

@media (max-width: 900px) {
  .blockpuzzle-modes__grid {
    grid-template-columns: 1fr;
    gap: 1.1rem;
  }
  .blockpuzzle-mode__img {
    max-height: 80px;
  }
}

/* Rhythm Section */
.blockpuzzle-rhythm {
  margin: 2.5rem 0;
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--color-shadow);
  padding: 2.2rem 0 2.2rem 0;
  background-image: var(--color-gradient);
}
.blockpuzzle-rhythm__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: 1.1em;
}
.blockpuzzle-rhythm__steps {
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 10px 0 rgba(6,182,212,0.06);
  padding: 1.5rem 2.2rem;
  margin-bottom: 2.1rem;
  counter-reset: rhythm-step;
}
.blockpuzzle-rhythm__steps li {
  list-style: none;
  position: relative;
  padding-left: 2.2em;
  margin-bottom: 0.7em;
  font-weight: 500;
  color: var(--color-text);
}
.blockpuzzle-rhythm__steps li::before {
  counter-increment: rhythm-step;
  content: counter(rhythm-step) ".";
  position: absolute;
  left: 0;
  top: 0.1em;
  font-size: 1.1em;
  font-weight: 800;
  color: var(--color-accent);
  opacity: 0.8;
}
.blockpuzzle-rhythm__why {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.1rem;
  align-items: center;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 10px 0 rgba(6,182,212,0.06);
  padding: 1.3rem 2.2rem;
}
.blockpuzzle-rhythm__why h3 {
  margin-bottom: 0.7em;
  font-size: 1.06em;
  font-weight: 700;
}
.blockpuzzle-rhythm__why ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.blockpuzzle-rhythm__why ul li {
  position: relative;
  padding-left: 1.1em;
  margin-bottom: 0.4em;
}
.blockpuzzle-rhythm__why ul li::before {
  content: "";
  display: inline-block;
  position: absolute;
  left: 0;
  top: 0.44em;
  width: 0.55em;
  height: 0.55em;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0.13;
  box-shadow: 0 0 0 1.5px var(--color-accent);
}
.blockpuzzle-rhythm__img {
  width: 100%;
  max-height: 180px;
  object-fit: cover;
  border-radius: var(--radius-xs);
  margin-left: 1.1em;
  box-shadow: 0 1px 6px 0 rgba(6,182,212,0.06);
}

@media (max-width: 900px) {
  .blockpuzzle-rhythm__why {
    grid-template-columns: 1fr;
    gap: 1.1rem;
    padding: 1.1rem 1.2rem;
  }
  .blockpuzzle-rhythm__img {
    margin-left: 0;
    max-height: 120px;
  }
  .blockpuzzle-rhythm__steps {
    padding: 1.1rem 1.2rem;
    border-radius: var(--radius-xs);
  }
}

/* Contents Section */
.blockpuzzle-contents {
  margin: 2.5rem 0;
  background: var(--color-card-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--color-shadow);
  padding: 2.2rem 0;
  background-image: var(--color-gradient);
}
.blockpuzzle-contents__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: 1.1em;
}
.blockpuzzle-contents__list {
  background: #fff;
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 10px 0 rgba(6,182,212,0.06);
  padding: 1.5rem 2.2rem;
  margin-bottom: 1.3rem;
  display: flex;
  flex-wrap: wrap;
  gap: 2.5em;
}
.blockpuzzle-contents__list ul {
  list-style: none;
  margin: 0;
  padding: 0;
  columns: 2;
  column-gap: 2.5em;
}
.blockpuzzle-contents__list ul li {
  position: relative;
  padding-left: 1.1em;
  margin-bottom: 0.5em;
}
.blockpuzzle-contents__list ul li::before {
  content: "";
  display: inline-block;
  position: absolute;
  left: 0;
  top: 0.44em;
  width: 0.55em;
  height: 0.55em;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0.13;
  box-shadow: 0 0 0 1.5px var(--color-accent);
}
.blockpuzzle-contents__meta {
  color: var(--color-muted);
  font-size: 1.01em;
  padding-left: 0.2em;
}

@media (max-width: 900px) {
  .blockpuzzle-contents__list ul {
    columns: 1;
  }
  .blockpuzzle-contents__list {
    padding: 1.1rem 1.2rem;
    border-radius: var(--radius-xs);
  }
}

/* FAQ Section */
.blockpuzzle-faq {
  margin: 2.5rem 0;
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--color-shadow);
  padding: 2.2rem 0;
  background-image: var(--color-gradient);
}
.blockpuzzle-faq__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: 1.1em;
}
.blockpuzzle-faq__list {
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: 0 2px 10px 0 rgba(6,182,212,0.06);
  padding: 1.5rem 2.2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.6rem 2.2rem;
}
.blockpuzzle-faq__list dt {
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.2em;
  font-size: 1em;
}
.blockpuzzle-faq__list dd {
  margin: 0 0 1.1em 0;
  color: var(--color-text);
  font-size: 1em;
  padding-bottom: 0.3em;
  border-bottom: 1px solid rgba(6,182,212,0.07);
}
.blockpuzzle-faq__list dd:last-child {
  border-bottom: none;
}

@media (max-width: 900px) {
  .blockpuzzle-faq__list {
    grid-template-columns: 1fr;
    padding: 1.1rem 1.2rem;
    border-radius: var(--radius-xs);
  }
}

/* Voices Section */
.blockpuzzle-voices {
  margin: 2.5rem 0;
  background: var(--color-card-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--color-shadow);
  padding: 2.2rem 0;
  background-image: var(--color-gradient);
}
.blockpuzzle-voices__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: 1.1em;
}
.blockpuzzle-voices__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.7rem;
}
.blockpuzzle-voices__item {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 10px 0 rgba(6,182,212,0.06);
  padding: 1.3rem 1.7rem;
  font-style: italic;
  color: var(--color-text);
  font-size: 1.01em;
  position: relative;
  transition: box-shadow var(--transition), transform var(--transition);
}
.blockpuzzle-voices__item:hover {
  transform: scale(1.01) translateY(-2px);
  box-shadow: 0 8px 32px 0 rgba(6,182,212,0.10);
}
.blockpuzzle-voices__quote {
  margin: 0;
  position: relative;
  padding-left: 1.7em;
}
.blockpuzzle-voices__quote::before {
  content: "❝";
  position: absolute;
  left: 0;
  top: -0.1em;
  font-size: 1.5em;
  color: var(--color-accent);
  opacity: 0.13;
}

@media (max-width: 900px) {
  .blockpuzzle-voices__grid {
    grid-template-columns: 1fr;
    gap: 1.1rem;
  }
  .blockpuzzle-voices__item {
    padding: 1rem 1.1rem;
    border-radius: var(--radius-xs);
  }
}

/* Conclusion Section */
.blockpuzzle-conclusion {
  margin: 2.5rem 0;
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--color-shadow);
  padding: 2.2rem 0;
  background-image: var(--color-gradient);
}
.blockpuzzle-conclusion__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: 1.1em;
}
.blockpuzzle-conclusion p {
  color: var(--color-text);
  font-size: 1.01em;
  margin-bottom: 0.7em;
}

/* Contact Section */
.blockpuzzle-contact {
  margin: 2.5rem 0 1.5rem 0;
  background: var(--color-card-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--color-shadow);
  padding: 2.2rem 0;
  background-image: var(--color-gradient);
}
.blockpuzzle-contact__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: 1.1em;
}
.blockpuzzle-contact__links {
  list-style: none;
  display: flex;
  gap: 2.5em;
  padding: 0;
  margin: 1.2em 0 0 0;
  flex-wrap: wrap;
}
.blockpuzzle-contact__links li {
  font-weight: 500;
  font-size: 1em;
}
.blockpuzzle-contact__links a {
  color: var(--color-accent);
  transition: color var(--transition);
}
.blockpuzzle-contact__links a:hover {
  color: #0e7490;
  text-decoration: underline;
}
@media (max-width: 600px) {
  .blockpuzzle-contact__links {
    flex-direction: column;
    gap: 0.7em;
    margin: 0.5em 0 0 0;
  }
}

/* Footer */
.blockpuzzle-footer {
  background: #fff;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  box-shadow: 0 -2px 16px 0 rgba(6,182,212,0.07);
  margin-top: 2.5rem;
  font-size: 0.97em;
}
.blockpuzzle-footer__inner {
  display: grid;
  grid-template-columns: 2.5fr 2fr 1.3fr 1.3fr;
  gap: 2.5rem;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 2.2rem 2vw 1.3rem 2vw;
}
.blockpuzzle-footer__col {
  display: flex;
  flex-direction: column;
  gap: 0.7em;
}
.blockpuzzle-footer__brand {
  display: flex;
  align-items: center;
  gap: 0.8em;
  font-size: 1.1em;
  font-weight: 700;
  color: var(--color-accent);
  text-decoration: none;
  margin-bottom: 0.4em;
}
.blockpuzzle-footer__brandimg {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: #fff;
  box-shadow: 0 1px 4px 0 rgba(6,182,212,0.06);
}
.blockpuzzle-footer__brandname {
  font-size: 1.1em;
  color: var(--color-accent);
}
.blockpuzzle-footer__about {
  color: var(--color-muted);
  font-size: 0.97em;
}
.blockpuzzle-footer__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5em;
}
.blockpuzzle-footer__list a {
  color: var(--color-text);
  transition: color var(--transition);
}
.blockpuzzle-footer__list a:hover {
  color: var(--color-accent);
}
.blockpuzzle-footer__bar {
  background: var(--color-bg);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  text-align: center;
  padding: 0.7em 0;
  color: var(--color-muted);
  font-size: 0.93em;
  box-shadow: 0 -1px 6px 0 rgba(6,182,212,0.04);
  margin-top: 0.2em;
}

@media (max-width: 1100px) {
  .blockpuzzle-footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
    padding: 1.2rem 3vw 0.7rem 3vw;
  }
}
@media (max-width: 700px) {
  .blockpuzzle-footer__inner {
    grid-template-columns: 1fr;
    gap: 0.6rem;
    padding: 1.2rem 4vw 0.7rem 4vw;
  }
  .blockpuzzle-footer__bar {
    border-radius: 0;
  }
  .blockpuzzle-footer {
    border-radius: var(--radius-xs) var(--radius-xs) 0 0;
    margin-top: 1.2rem;
  }
}

/* Cookie Banner */
.blockpuzzle-cookie {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 99;
  background: rgba(241,245,249,0.98);
  box-shadow: 0 -2px 18px 0 rgba(6,182,212,0.09);
  border-top: 1px solid rgba(6,182,212,0.08);
  padding: 0;
  animation: fadeInCookie 0.5s;
}
@keyframes fadeInCookie {
  from { opacity: 0; transform: translateY(40px);}
  to { opacity: 1; transform: none;}
}
.blockpuzzle-cookie__inner {
  max-width: 540px;
  margin: 0 auto;
  padding: 1.3em 1.7em 1.3em 1.7em;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.1em;
}
.blockpuzzle-cookie__text {
  color: var(--color-text);
  font-size: 1em;
  margin: 0;
  flex: 1 1 auto;
}
.blockpuzzle-cookie__actions {
  flex: 0 0 auto;
}
.blockpuzzle-cookie__btn {
  padding: 0.52em 1.4em;
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 1em;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  box-shadow: 0 2px 8px 0 rgba(6,182,212,0.08);
}
.blockpuzzle-cookie__btn:hover, .blockpuzzle-cookie__btn:focus {
  background: #fff;
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-accent);
}
@media (max-width: 600px) {
  .blockpuzzle-cookie__inner {
    padding: 1em 0.7em;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.7em;
  }
}

/* General Utility */
img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius-xs);
}

h1, h2, h3, h4 {
  color: var(--color-text);
  margin-top: 0;
  margin-bottom: 0.3em;
  font-family: var(--font-main);
  font-weight: 700;
  letter-spacing: -0.01em;
}

@media (max-width: 600px) {
  .blockpuzzle-container {
    padding: 0 4vw;
  }
  h1, h2, h3, h4 {
    font-size: 1.1em;
  }
}