* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: #202020;
  background: #f7f3ea;
  line-height: 1.65;
}

a {
  color: inherit;
}

.site-header,
.site-footer {
  max-width: 1160px;
  margin: 0 auto;
  padding: 24px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand strong {
  display: block;
  font-size: 18px;
  line-height: 1.2;
}

.brand em {
  display: block;
  font-size: 13px;
  color: #6d675d;
  font-style: normal;
}

.top-nav {
  display: flex;
  gap: 20px;
  font-family: Arial, sans-serif;
  font-size: 14px;
}

.top-nav a,
.site-footer a {
  text-decoration: none;
  color: #34312c;
}

.top-nav a:hover,
.site-footer a:hover,
.card a:hover,
.text-link:hover,
.note a:hover,
.hero-panel a:hover {
  text-decoration: underline;
}

main {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px 52px;
}

.hero {
  min-height: 610px;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(330px, .88fr);
  gap: 52px;
  align-items: center;
  border-top: 1px solid rgba(32, 32, 32, .15);
  border-bottom: 1px solid rgba(32, 32, 32, .15);
  padding: 72px 0;
}

.eyebrow {
  font-family: Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: 12px;
  color: #766d5d;
  margin: 0 0 12px;
}

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

h1 {
  font-size: clamp(44px, 7vw, 84px);
  line-height: .96;
  letter-spacing: -.05em;
  max-width: 760px;
  margin-bottom: 28px;
}

.lead {
  max-width: 690px;
  font-size: clamp(18px, 2vw, 22px);
  color: #3c3831;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.btn {
  font-family: Arial, sans-serif;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 14px;
}

.btn.primary {
  background: #202020;
  color: #fff;
}

.btn.secondary {
  border: 1px solid rgba(32, 32, 32, .28);
  background: rgba(255, 255, 255, .35);
}

.hero-visual {
  display: grid;
  gap: 16px;
}

.photo-card {
  margin: 0;
  background: #efe7d9;
  border: 1px solid rgba(32, 32, 32, .12);
  border-radius: 30px;
  overflow: hidden;
  min-height: 355px;
  box-shadow: 0 18px 45px rgba(32, 32, 32, .06);
}

.photo-card img {
  display: block;
  width: 100%;
  height: 355px;
  object-fit: cover;
  object-position: center center;
}

.photo-card figcaption {
  font-family: Arial, sans-serif;
  font-size: 12px;
  color: #625b50;
  padding: 10px 16px 12px;
  margin: 0;
  background: rgba(247, 243, 234, .72);
}

.photo-card.image-missing {
  display: grid;
  place-items: center;
  padding: 28px;
}

.photo-card.image-missing::before {
  content: "Εδώ μπαίνει η φωτογραφία images/ylikasyskevasias.jpg";
  font-family: Arial, sans-serif;
  font-size: 14px;
  color: #766d5d;
  text-align: center;
}

.photo-card.image-missing figcaption {
  display: none;
}

.hero-panel {
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.hero-panel a {
  display: flex;
  align-items: center;
  min-height: 46px;
  padding: 10px 14px;
  border: 1px solid rgba(32, 32, 32, .12);
  border-radius: 999px;
  background: #ede5d5;
  font-family: Arial, sans-serif;
  font-size: 13px;
  line-height: 1.25;
  letter-spacing: 0;
  text-decoration: none;
  color: #2f2b25;
}

.hero-panel a:hover {
  background: #e4dac8;
  text-decoration: none;
}

.hero-panel a:last-child {
  grid-column: 1 / -1;
}

.intro-section {
  display: grid;
  grid-template-columns: 90px minmax(0, 760px);
  gap: 34px;
  padding: 72px 0;
}

.section-label {
  font-family: Arial, sans-serif;
  color: #8b806e;
}

.intro-section h2,
.section-heading h2,
.quantity h2 {
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.05;
  letter-spacing: -.04em;
  margin-bottom: 20px;
}

.intro-section p,
.material-list p,
.quantity p,
.note p {
  font-size: 18px;
  color: #39352f;
}

.use-cases,
.materials {
  padding: 50px 0 28px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 28px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.card {
  background: #fffaf1;
  border: 1px solid rgba(32, 32, 32, .12);
  border-radius: 22px;
  padding: 24px;
  min-height: 360px;
  display: flex;
  flex-direction: column;
}

.card-number {
  font-family: Arial, sans-serif;
  font-size: 12px;
  color: #8b806e;
  margin-bottom: 28px;
}

.card h3,
.material-list h3 {
  font-size: 24px;
  line-height: 1.1;
  letter-spacing: -.03em;
  margin-bottom: 14px;
}

.card p {
  font-size: 16px;
  color: #403b34;
}

.card a {
  margin-top: auto;
  font-family: Arial, sans-serif;
  font-size: 14px;
  text-decoration: none;
  color: #1d4e46;
}

.material-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid rgba(32, 32, 32, .15);
  border-left: 1px solid rgba(32, 32, 32, .15);
}

.material-list article {
  padding: 30px;
  border-right: 1px solid rgba(32, 32, 32, .15);
  border-bottom: 1px solid rgba(32, 32, 32, .15);
  background: rgba(255, 255, 255, .28);
}

.quantity {
  margin-top: 52px;
  padding: 44px;
  background: #e9e0cf;
  border-radius: 30px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 290px;
  gap: 34px;
  align-items: center;
}

.text-link {
  font-family: Arial, sans-serif;
  color: #1d4e46;
  text-decoration: none;
}

.note {
  margin-top: 42px;
  padding: 26px 0 0;
  max-width: 820px;
}

.note a {
  color: #1d4e46;
  text-decoration: none;
}

.site-footer {
  border-top: 1px solid rgba(32, 32, 32, .15);
  display: flex;
  justify-content: space-between;
  gap: 24px;
  font-family: Arial, sans-serif;
  color: #4b463e;
}

.site-footer p {
  margin: 6px 0 0;
  color: #6d675d;
}

.site-footer nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 920px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .top-nav {
    flex-wrap: wrap;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 54px 0;
  }

  .intro-section {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .cards {
    grid-template-columns: 1fr 1fr;
  }

  .quantity {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (max-width: 620px) {
  .site-header,
  .site-footer,
  main {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero {
    padding: 42px 0;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .cards,
  .material-list {
    grid-template-columns: 1fr;
  }

  .material-list {
    border-left: 0;
  }

  .material-list article {
    border-right: 0;
    padding: 24px 0;
    background: transparent;
  }

  .card {
    min-height: auto;
  }

  .quantity {
    padding: 28px;
    border-radius: 22px;
  }
}


@media (max-width: 620px) {
  .photo-card,
  .photo-card img {
    min-height: 250px;
    height: auto;
  }

  .photo-card img {
    height: 250px;
  }

  .hero-panel {
    grid-template-columns: 1fr;
  }

  .hero-panel a:last-child {
    grid-column: auto;
  }
}


/* v6 hero polish */
.hero-visual {
  align-self: center;
}

.photo-card {
  margin: 0 !important;
  background: transparent !important;
  border: 0 !important;
  border-radius: 26px !important;
  overflow: hidden !important;
  min-height: 310px !important;
  box-shadow: 0 16px 42px rgba(32, 32, 32, .08) !important;
}

.photo-card img {
  display: block !important;
  width: 100% !important;
  height: 310px !important;
  object-fit: cover !important;
  object-position: center center !important;
}

.photo-card figcaption {
  display: none !important;
}

.hero-panel {
  background: transparent !important;
  border: 0 !important;
  border-radius: 0 !important;
  padding: 0 !important;
  display: grid !important;
  grid-template-columns: 1fr 1fr !important;
  gap: 9px !important;
}

.hero-panel a {
  display: flex !important;
  align-items: center !important;
  min-height: 42px !important;
  padding: 9px 13px !important;
  border: 1px solid rgba(32, 32, 32, .13) !important;
  border-radius: 999px !important;
  background: #ede5d5 !important;
  font-family: Arial, sans-serif !important;
  font-size: 13px !important;
  line-height: 1.25 !important;
  letter-spacing: 0 !important;
  text-decoration: none !important;
  color: #2f2b25 !important;
}

.hero-panel a:hover {
  background: #e4dac8 !important;
  text-decoration: none !important;
}

.hero-panel a:last-child {
  grid-column: 1 / -1 !important;
}

@media (max-width: 620px) {
  .photo-card,
  .photo-card img {
    min-height: 240px !important;
    height: 240px !important;
  }

  .hero-panel {
    grid-template-columns: 1fr !important;
  }

  .hero-panel a:last-child {
    grid-column: auto !important;
  }
}


/* v7 final spacing polish */
.hero {
  min-height: 560px !important;
  padding: 58px 0 54px !important;
}

.photo-card {
  min-height: 350px !important;
}

.photo-card img {
  height: 350px !important;
}

.intro-section {
  padding: 54px 0 64px !important;
}

.use-cases {
  padding-top: 36px !important;
}

@media (max-width: 920px) {
  .hero {
    padding: 46px 0 44px !important;
  }

  .photo-card {
    min-height: 330px !important;
  }

  .photo-card img {
    height: 330px !important;
  }

  .intro-section {
    padding: 46px 0 52px !important;
  }
}

@media (max-width: 620px) {
  .photo-card,
  .photo-card img {
    min-height: 250px !important;
    height: 250px !important;
  }

  .hero {
    padding: 36px 0 38px !important;
  }

  .intro-section {
    padding: 40px 0 46px !important;
  }
}