/* ======================================================
   OAK CREATIVE — The Digital Atelier
   Pure HTML/CSS implementation
   ====================================================== */

:root {
  /* Primary */
  --primary: #006941;
  --primary-dim: #005c38;
  --primary-fixed-dim: #7cfeb8;
  --on-primary: #caffdc;

  /* Surfaces */
  --surface: #f9f6f5;
  --surface-container-lowest: #ffffff;
  --surface-container-low: #f3f0ef;
  --surface-container: #eae7e7;
  --surface-container-high: #e4e2e1;
  --surface-container-highest: #dfdcdc;
  --inverse-surface: #0e0e0e;

  /* Containers */
  --tertiary-container: #fff0f0;
  --primary-container: #e6f9f3;

  /* Text */
  --on-background: #2f2f2e;
  --on-surface: #2f2f2e;
  --on-surface-variant: #5c5b5b;
  --secondary: #5c5b5b;

  /* Accents */
  --outline-variant: #afadac;
  --error: #b31b25;

  /* Radii */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2.5rem;
  --radius-full: 9999px;

  /* Shadows — ambient, tinted with on-surface */
  --shadow-ambient: 0 20px 40px rgba(14, 14, 14, 0.04);
  --shadow-float: 0 32px 64px -16px rgba(14, 14, 14, 0.10);
  --shadow-soft: 0 8px 24px rgba(14, 14, 14, 0.05);

  /* Type */
  --font-body: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-headline: 'Manrope', system-ui, -apple-system, sans-serif;

  /* Layout */
  --max-width: 1240px;
  --nav-height: 88px;
}

/* ============ RESET ============ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--on-background);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headline);
  margin: 0;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
p { margin: 0; }
ul { list-style: none; margin: 0; padding: 0; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 500, 'GRAD' 0, 'opsz' 24;
  user-select: none;
}

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

/* ============ SHARED TYPE ============ */
.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--primary);
  margin-bottom: 1rem;
}
.eyebrow--muted { color: var(--secondary); }
.eyebrow--light { color: var(--primary-fixed-dim); }

.headline {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--on-background);
  letter-spacing: -0.03em;
}
.headline--light { color: #fff; }

.lede {
  margin-top: 1rem;
  font-size: 1.0625rem;
  color: var(--secondary);
  max-width: 42ch;
}
.lede--light { color: rgba(255, 255, 255, 0.65); max-width: 52ch; margin-left: auto; margin-right: auto; }

.accent { color: var(--primary); }
.italic { font-style: italic; }

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 4rem;
}
.section-head .lede { margin-left: auto; margin-right: auto; }
.section-head--light { color: #fff; }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 700;
  text-align: center;
  border-radius: var(--radius-full);
  transition: transform 180ms ease, background 200ms ease, box-shadow 200ms ease, color 200ms ease;
  will-change: transform;
}
.btn:hover { transform: translateY(-2px); }
.btn .material-symbols-outlined { font-size: 1.125rem; }

.btn--sm  { padding: 0.75rem 1.25rem; font-size: 0.875rem; }
.btn--lg  { padding: 1rem 1.75rem;   font-size: 1rem; }
.btn--xl  { padding: 1.25rem 2rem;   font-size: 1.0625rem; border-radius: var(--radius-lg); }
.btn--block { width: 100%; }

.btn--primary {
  background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dim) 100%);
  color: #fff;
  box-shadow: 0 8px 24px rgba(0, 105, 65, 0.25);
}
.btn--primary:hover {
  background: linear-gradient(180deg, var(--primary-dim) 0%, #004f30 100%);
  box-shadow: 0 12px 32px rgba(0, 105, 65, 0.32);
}

.btn--white {
  background: #fff;
  color: var(--on-background);
  box-shadow: var(--shadow-soft);
}
.btn--white:hover { background: #f2f2f2; }

.btn--dark {
  background: var(--inverse-surface);
  color: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-float);
}
.btn--dark:hover { background: #000; }

.btn--ghost-light {
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  border-radius: var(--radius-lg);
  box-shadow: inset 0 0 0 1.5px rgba(255, 255, 255, 0.08);
}
.btn--ghost-light:hover { background: rgba(255, 255, 255, 0.1); }

/* ============ BADGES ============ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.badge__icon { font-size: 1rem !important; color: var(--primary); }
.badge--glass {
  background: rgba(255, 255, 255, 0.10);
  color: #fff;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2);
}
.badge--glass .badge__icon { color: var(--primary-fixed-dim); font-variation-settings: 'FILL' 1; }
.badge--soft {
  background: var(--primary-container);
  color: var(--primary);
}
.badge--soft .badge__icon { color: var(--primary); font-variation-settings: 'FILL' 1; }

/* ============ NAV ============ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background 300ms ease, backdrop-filter 300ms ease, box-shadow 300ms ease;
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem 2rem;
}
.nav__brand { display: flex; align-items: center; }
.nav__logo {
  height: 52px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  transition: filter 300ms ease;
}
.nav--scrolled .nav__logo { filter: none; }
.nav__links {
  display: flex;
  gap: 2.5rem;
}
.nav__links a {
  color: #fff;
  font-weight: 500;
  font-size: 1rem;
  transition: color 200ms ease;
}
.nav__links a:hover { color: var(--primary-fixed-dim); }

.nav--scrolled {
  background: rgba(249, 246, 245, 0.72);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(14, 14, 14, 0.04);
}
.nav--scrolled .nav__brand { color: var(--on-background); }
.nav--scrolled .nav__links a { color: var(--on-background); }
.nav--scrolled .nav__links a:hover { color: var(--primary); }

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 720px;
  height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: var(--nav-height) 2rem 4rem;
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(14, 14, 14, 0.55) 0%,
    rgba(14, 14, 14, 0.65) 60%,
    rgba(14, 14, 14, 0.80) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
  color: #fff;
}
.hero__title {
  font-size: clamp(2.75rem, 7vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.05;
  margin: 1.75rem 0 1.25rem;
  color: #fff;
}
.hero__title .accent { color: var(--primary-fixed-dim); }
.hero__subtitle {
  font-size: clamp(1.125rem, 1.8vw, 1.4rem);
  color: rgba(255, 255, 255, 0.8);
  max-width: 42ch;
  margin: 0 auto 2.5rem;
  font-weight: 500;
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
}
.hero__chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 500;
}
.chip__icon {
  font-size: 1.1rem !important;
  color: var(--primary-fixed-dim);
  font-variation-settings: 'FILL' 1;
}

/* ============ CHALLENGES / SOLUTION ============ */
.challenges { padding: 7rem 0; }
.challenges__grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 4rem;
  align-items: stretch;
}
.challenges__intro { align-self: center; }
.challenges__intro .headline { margin-bottom: 1rem; }
.challenges__intro .lede { margin-bottom: 2.5rem; }

.painpoints { display: flex; flex-direction: column; gap: 1.75rem; }
.painpoint {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}
.painpoint__icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-lg);
  background: var(--tertiary-container);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 220ms ease;
}
.painpoint__icon .material-symbols-outlined { color: var(--error); }
.painpoint:hover .painpoint__icon { transform: scale(1.08); }
.painpoint p {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--on-background);
  line-height: 1.4;
}

/* Solution card */
.solution {
  position: relative;
  background: var(--surface-container-lowest);
  border-radius: var(--radius-2xl);
  padding: 3.5rem;
  overflow: hidden;
  box-shadow: var(--shadow-float);
  transition: box-shadow 300ms ease;
}
.solution:hover { box-shadow: 0 40px 80px -20px rgba(14, 14, 14, 0.14); }
.solution__blur {
  position: absolute;
  top: -6rem;
  right: -6rem;
  width: 16rem;
  height: 16rem;
  background: rgba(0, 105, 65, 0.06);
  border-radius: 50%;
  filter: blur(48px);
  transition: background 300ms ease;
}
.solution:hover .solution__blur { background: rgba(0, 105, 65, 0.12); }
.solution__content { position: relative; z-index: 1; }
.solution__title {
  font-size: clamp(1.75rem, 2.4vw, 2.25rem);
  font-weight: 800;
  margin: 2rem 0 2.75rem;
  color: var(--on-background);
  line-height: 1.15;
}

.solution__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  row-gap: 2rem;
  column-gap: 2.5rem;
  margin-bottom: 2.5rem;
}
.feature-mini {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.feature-mini__icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  background: rgba(0, 105, 65, 0.10);
  display: flex;
  align-items: center;
  justify-content: center;
}
.feature-mini__icon .material-symbols-outlined {
  color: var(--primary);
  font-size: 1.25rem;
}
.feature-mini h4 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  color: var(--on-background);
}
.feature-mini p {
  font-size: 0.875rem;
  color: var(--secondary);
  line-height: 1.55;
}

.promise {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  background: var(--surface-container-low);
  border-radius: var(--radius-xl);
  margin-bottom: 2rem;
}
.promise__left { display: flex; align-items: center; gap: 1rem; }
.promise__icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.promise__text { font-weight: 700; color: var(--on-background); }
.promise__tag {
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* ============ FEATURES GRID ============ */
.features {
  padding: 7rem 0;
  background: var(--surface-container-low);
}
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}
.feature-card {
  background: var(--surface-container-lowest);
  padding: 2.25rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-ambient);
  transition: transform 260ms ease, box-shadow 260ms ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 28px 56px rgba(14, 14, 14, 0.06);
}
.feature-card__icon {
  display: inline-flex;
  padding: 0.85rem;
  border-radius: var(--radius-md);
  background: rgba(0, 105, 65, 0.10);
  margin-bottom: 1.25rem;
}
.feature-card__icon .material-symbols-outlined {
  color: var(--primary);
  font-size: 1.75rem;
}
.feature-card h4 {
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--on-background);
  margin-bottom: 0.75rem;
}
.feature-card p {
  font-size: 0.9375rem;
  color: var(--secondary);
  line-height: 1.65;
}

/* ============ PRICING ============ */
.pricing { padding: 7rem 0; }
.price-card {
  max-width: 560px;
  margin: 0 auto;
  background: var(--primary-container);
  border-radius: var(--radius-2xl);
  padding: 3.5rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-float);
}
.price-card::before {
  content: '';
  position: absolute;
  top: -8rem;
  right: -8rem;
  width: 18rem;
  height: 18rem;
  background: rgba(0, 105, 65, 0.08);
  border-radius: 50%;
  filter: blur(52px);
}
.price-card > * { position: relative; }

.price-card__head { text-align: center; margin-bottom: 2.5rem; }
.price-card__head .eyebrow { margin-bottom: 0.5rem; }
.price-card__amount {
  display: inline-flex;
  align-items: baseline;
  gap: 0.25rem;
  line-height: 1;
}
.price-card__currency {
  font-family: var(--font-headline);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--on-background);
}
.price-card__value {
  font-family: var(--font-headline);
  font-size: 5.5rem;
  font-weight: 800;
  color: var(--on-background);
  letter-spacing: -0.04em;
}
.price-card__note {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--secondary);
  margin-top: 0.75rem;
}
.price-card__desc {
  margin-top: 1.5rem;
  font-size: 0.875rem;
  color: var(--secondary);
  max-width: 26ch;
  margin-left: auto;
  margin-right: auto;
}

.price-card__list {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  max-width: 24rem;
  margin: 0 auto 2.75rem;
}
.price-card__list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--on-background);
}
.price-card__list .material-symbols-outlined {
  color: var(--primary);
  font-size: 1.25rem;
  font-variation-settings: 'FILL' 1;
}
.price-card__footnote {
  text-align: center;
  font-size: 0.6875rem;
  color: var(--secondary);
  margin-top: 1.25rem;
}

/* ============ CONTACT ============ */
.contact {
  padding: 7rem 0;
  background: var(--inverse-surface);
  color: #fff;
}
.contact__wrap {
  max-width: 820px;
  margin: 0 auto;
}
.contact__switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.contact__banner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem 1.75rem;
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
  margin-bottom: 2.5rem;
}
.contact__banner-icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-md);
  background: rgba(124, 254, 184, 0.14);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact__banner-icon .material-symbols-outlined { color: var(--primary-fixed-dim); }
.contact__banner h5 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: #fff;
}
.contact__banner p {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.55;
}

.contact__form { display: flex; flex-direction: column; gap: 1.5rem; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.field { display: flex; flex-direction: column; gap: 0.6rem; }
.field label {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}
.field input,
.field textarea {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: #fff;
  background: rgba(255, 255, 255, 0.04);
  padding: 0.95rem 1.15rem;
  border: none;
  border-radius: var(--radius-md);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.07);
  transition: box-shadow 200ms ease, background 200ms ease;
  resize: vertical;
}
.field input::placeholder,
.field textarea::placeholder {
  color: rgba(255, 255, 255, 0.28);
}
.field input:focus,
.field textarea:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: inset 0 0 0 2px var(--primary-fixed-dim);
}

/* ============ FOOTER ============ */
.footer {
  background: var(--surface-container-lowest);
  padding: 5rem 0 2.5rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 5rem;
}
.footer__brand { color: var(--on-background); }
.footer__logo { height: 64px; width: auto; object-fit: contain; margin-bottom: 1.5rem; }
.footer__brand p {
  font-size: 0.9375rem;
  color: var(--secondary);
  line-height: 1.65;
  max-width: 32ch;
}
.footer__col h5 {
  font-family: var(--font-body);
  font-size: 0.625rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--on-background);
  margin-bottom: 1.5rem;
}
.footer__col ul { display: flex; flex-direction: column; gap: 0.875rem; }
.footer__col li, .footer__col a {
  font-size: 0.9375rem;
  color: var(--secondary);
  font-weight: 500;
  transition: color 200ms ease;
}
.footer__col a:hover { color: var(--primary); }

.footer__bottom {
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  color: var(--secondary);
  font-size: 0.75rem;
}
.footer__bottom::before {
  content: '';
  display: block;
  position: absolute;
}
.footer__bottom p { font-size: 0.75rem; }
.footer__legal { display: flex; gap: 2rem; }
.footer__legal a {
  font-size: 0.75rem;
  color: var(--secondary);
  transition: color 200ms ease;
}
.footer__legal a:hover { color: var(--primary); }

/* Subtle tonal layer instead of a line above the footer bottom */
.footer__bottom {
  margin-top: 2rem;
  background: linear-gradient(var(--surface-container-low), var(--surface-container-low));
  background-size: 100% 1px;
  background-repeat: no-repeat;
  background-position: top;
  padding-top: 2rem;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .challenges__grid { grid-template-columns: 1fr; gap: 3rem; }
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
  .solution { padding: 2.5rem; }
}

@media (max-width: 720px) {
  .container { padding: 0 1.25rem; }
  .nav__inner { padding: 1rem 1.25rem; }
  .nav__links { display: none; }

  .hero { min-height: 640px; height: auto; padding: calc(var(--nav-height) + 2rem) 1.25rem 4rem; }
  .hero__cta { flex-direction: column; align-items: stretch; }
  .hero__cta .btn { width: 100%; }

  .challenges { padding: 4.5rem 0; }
  .features    { padding: 4.5rem 0; }
  .pricing     { padding: 4.5rem 0; }
  .contact     { padding: 4.5rem 0; }

  .features__grid { grid-template-columns: 1fr; }
  .solution { padding: 2rem 1.5rem; }
  .solution__features { grid-template-columns: 1fr; }

  .price-card { padding: 2.5rem 1.75rem; }
  .price-card__value { font-size: 4.5rem; }

  .contact__switch { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact__banner { flex-direction: column; align-items: flex-start; }

  .footer__grid { grid-template-columns: 1fr; gap: 2.5rem; margin-bottom: 3rem; }
  .footer__bottom { flex-direction: column; text-align: center; }

  .section-head { margin-bottom: 2.5rem; }
}