/* ============ Tokens & Reset ============ */
:root{
  /* Palette */
  --clr-bg: #D4C9BE;
  --clr-bg-alt: #F1EFEC;
  --clr-ink: #030303;
  --clr-primary: #123458;

  /* Spacing scale */
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;

  /* Radius */
  --radius-8: 8px;
  --radius-12: 12px;

  /* Typography */
  --ff: 'Poppins', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --fs-hero: clamp(2rem, 3.5vw, 3rem);
  --fs-h2: clamp(1.5rem, 2.5vw, 2rem);
  --fs-h3: clamp(1.125rem, 2vw, 1.5rem);
  --fs-h4: 1.125rem;
  --fs-body: 1rem;

  /* Layout */
  --container-max: 1120px;
  --border: 3px solid rgba(3,3,3,0.08);
}

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

html, body{
  padding: 0;
  margin: 0;
}

body{
  font-family: var(--ff);
  color: var(--clr-ink);
  background: var(--clr-bg-alt);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ============ SVG icon helpers ============ */
.icon{
  inline-size: 1em;
  block-size: 1em;
  display: inline-block;
  vertical-align: -0.125em;
  fill: currentColor;
}
.icon-lg{
  inline-size: 1.35em;
  block-size: 1.35em;
  display: inline-block;
  fill: currentColor;
}

/* ============ Generic Layout ============ */
.container{
  width: min(100% - 2rem, var(--container-max));
  margin-inline: auto;
}

.section{
  padding-block: clamp(3rem, 6vw, 5rem);
}

.section-alt{
  background: #fcfcfb;
}

.section-title{
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--clr-primary);
  font-size: var(--fs-h2);
  margin: 0 0 var(--space-6);
}

.section-title.center{
  justify-content: center;
  text-align: center;
}

/* Eyebrow */
.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.85rem;
  color: var(--clr-primary);
  background: rgba(18,52,88,0.08);
  border: var(--border);
  padding: 6px 10px;
  border-radius: 999px;
  margin-bottom: var(--space-4);
}

/* Headings & Copy */
h1, h2, h3, h4{
  color: var(--clr-primary);
  margin: 0 0 var(--space-3);
  font-weight: 700;
}

h1{ font-size: var(--fs-hero); line-height: 1.1; }
h2{ font-size: var(--fs-h2); }
h3{ font-size: var(--fs-h3); }
h4{ font-size: var(--fs-h4); }

p{
  margin: 0 0 var(--space-4);
  font-size: var(--fs-body);
}

/* Links & Buttons */
a{ color: var(--clr-primary); text-decoration: none; }
a:hover{ text-decoration: underline; }

.btn{
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  font-weight: 600;
  padding: 0.85rem 1.25rem;
  border-radius: 10px;
  font-size: 1rem;
  transition: all 0.2s ease;
}

.btn-primary{
  background: var(--clr-primary);
  color: var(--clr-bg);
  border: 1px solid rgba(0,0,0,0.1);
}
.btn-primary:hover{
  filter: brightness(0.95);
  text-decoration: none;
}

/* ============ Hero ============ */
.hero-banner{
  padding-block: clamp(3rem, 6vw, 5rem);
}

.hero-content{
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: var(--space-10);
  align-items: center;
}

.hero-text p{
  margin-bottom: var(--space-6);
}

.hero-illustration{
  display: grid;
  place-items: center;
}

.hero-illustration img{
  width: 100%;
  height: auto;
  max-width: 560px;
  object-fit: contain;
}

/* ============ Split & Grid ============ */
.split{
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: var(--space-10);
  align-items: center;
}

.grid-2{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
}

/* ============ Cards ============ */
.card{
  background: white;
  border: var(--border);
  border-radius: var(--radius-12);
  padding: var(--space-8);
}

.card h3{
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.card-illustration{
  width: 100%;
  height: auto;
  max-width: 520px;
  margin: var(--space-6) auto;
  display: block;
  object-fit: contain;
}

.illustration-card{
  border: var(--border);
  border-radius: var(--radius-12);
  padding: var(--space-6);
  display: grid;
  place-items: center;
}

.illustration-card img{
  width: 100%;
  height: auto;
  max-width: 520px;
  object-fit: contain;
}

/* ============ Features ============ */
.feature-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.feature{
  background: white;
  border: var(--border);
  border-radius: var(--radius-12);
  padding: var(--space-6);
  text-align: center;
}

.feature h4{
  margin-top: var(--space-3);
  margin-bottom: var(--space-3);
}

.feature-icon{
  width: 56px;
  height: 56px;
  border-radius: 12px;
  border: var(--border);
  display: grid;
  place-items: center;
  margin-inline: auto;
  background: rgba(18,52,88,0.06);
  color: var(--clr-primary);
  font-size: 1.25rem;
}

/* ============ Back to Top ============ */
.back-to-top{
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 46px;
  height: 46px;
  border-radius: 999px;
  border: var(--border);
  background: var(--clr-bg);
  color: var(--clr-primary);
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
}
.back-to-top.show{
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* ============ Responsive Fixes ============ */

/* Tablets and small laptops */
@media (max-width: 1024px){
  .hero-content,
  .split{
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-illustration,
  .illustration-card{
    order: 2;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .hero-text,
  .split-item{
    order: 1;
  }

  .hero-illustration img,
  .illustration-card img,
  .card-illustration{
    width: 100%;
    height: auto;
    max-width: 100%;
    object-fit: contain;
  }
}

/* Medium devices (tablets, small screens) */
@media (max-width: 860px){
  .grid-2{ grid-template-columns: 1fr; }
  .feature-grid{ grid-template-columns: 1fr 1fr; }
  .section-title{ font-size: 1.5rem; }
  .card{ padding: var(--space-6); }

  .card-illustration,
  .illustration-card img{
    max-width: 100%;
    width: 100%;
    height: auto;
    object-fit: contain;
  }
}

/* Phones and small devices */
@media (max-width: 640px){
  .container{ width: min(100% - 1.25rem, var(--container-max)); }
  .feature-grid{ grid-template-columns: 1fr; }
  .btn{ width: 100%; justify-content: center; }
  .hero-banner{ padding-block: 2.5rem; }
  .section{ padding-block: 2.5rem; }
  .feature-icon{ width: 48px; height: 48px; }
  h1{ font-size: clamp(1.75rem, 6vw, 2.25rem); }
  p{ font-size: 0.95rem; }

  /* --- Fix image scaling --- */
  .hero-illustration img,
  .illustration-card img,
  .card-illustration{
    width: 100%;
    height: auto;
    max-width: 100%;
    object-fit: contain;
    border-radius: var(--radius-8);
  }
}