/* AB Digital Solutions — single-page site */

:root {
  --ink: #10221c;
  --ink-soft: #3a5248;
  --paper: #eef5f1;
  --paper-2: #e2ece6;
  --accent: #0f7a5f;
  --accent-deep: #0a5c47;
  --highlight: #d97706;
  --white: #ffffff;
  --line: rgba(16, 34, 28, 0.12);
  --header-h: 4.25rem;
  --font-display: "Syne", sans-serif;
  --font-body: "DM Sans", sans-serif;
  --font-accent: "Instrument Serif", Georgia, serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background:
    radial-gradient(120% 80% at 10% -10%, rgba(15, 122, 95, 0.12), transparent 55%),
    radial-gradient(90% 60% at 100% 0%, rgba(217, 119, 6, 0.08), transparent 45%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-2) 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

/* Header */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
  padding: 0.85rem clamp(1.25rem, 4vw, 2.5rem);
  background: rgba(238, 245, 241, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(238, 245, 241, 0.92);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 0.55rem;
  background: var(--ink);
  color: var(--paper);
  font-size: 0.85rem;
  font-weight: 800;
}

.logo-text {
  font-size: 0.95rem;
}

.nav {
  display: none;
  align-items: center;
  gap: 1.75rem;
  font-size: 0.95rem;
  font-weight: 500;
}

.nav a {
  text-decoration: none;
  opacity: 0.8;
  transition: opacity 0.2s ease;
}

.nav a:hover {
  opacity: 1;
}

.nav-cta {
  padding: 0.55rem 1rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper) !important;
  opacity: 1 !important;
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 1.35rem;
  height: 2px;
  margin-inline: auto;
  background: var(--ink);
  transition: transform 0.25s var(--ease), opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  inset: var(--header-h) 0 auto;
  z-index: 35;
  display: grid;
  gap: 0.25rem;
  padding: 1rem 1.25rem 1.25rem;
  background: rgba(238, 245, 241, 0.97);
  border-bottom: 1px solid var(--line);
}

.mobile-nav[hidden] {
  display: none;
}

.mobile-nav a {
  padding: 0.85rem 0.25rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  text-decoration: none;
}

@media (min-width: 800px) {
  .nav {
    display: flex;
  }

  .nav-toggle,
  .mobile-nav {
    display: none !important;
  }
}

/* Hero — one full-bleed composition */

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  padding:
    calc(var(--header-h) + 2rem)
    clamp(1.25rem, 4vw, 2.5rem)
    clamp(2.5rem, 6vw, 4rem);
  color: var(--white);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.06);
  animation: hero-zoom 18s var(--ease) forwards;
}

.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(8, 20, 16, 0.35) 0%, rgba(8, 20, 16, 0.55) 42%, rgba(8, 20, 16, 0.88) 100%),
    linear-gradient(90deg, rgba(8, 20, 16, 0.55) 0%, rgba(8, 20, 16, 0.15) 70%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 42rem;
}

.hero-brand {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5.5vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  opacity: 0;
  transform: translateY(1.25rem);
  animation: rise 0.9s var(--ease) 0.15s forwards;
}

.hero-headline {
  margin: 0 0 1rem;
  max-width: 18ch;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 4.2vw, 2.75rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
  opacity: 0;
  transform: translateY(1.25rem);
  animation: rise 0.9s var(--ease) 0.32s forwards;
}

.hero-support {
  margin: 0 0 1.75rem;
  max-width: 36rem;
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: rgba(255, 255, 255, 0.86);
  opacity: 0;
  transform: translateY(1.25rem);
  animation: rise 0.9s var(--ease) 0.48s forwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  opacity: 0;
  transform: translateY(1.25rem);
  animation: rise 0.9s var(--ease) 0.62s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.7rem 1.25rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
  transition: transform 0.2s var(--ease), background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--highlight);
  color: #1a1205;
}

.btn-primary:hover {
  background: #f59e0b;
}

.btn-ghost {
  border: 1px solid rgba(255, 255, 255, 0.45);
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.12);
}

.contact .btn-primary {
  color: #1a1205;
}

/* Sections */

.section {
  padding: clamp(4.5rem, 10vw, 7.5rem) 0;
}

.section-inner {
  width: min(1120px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.section h2 {
  margin: 0 0 1rem;
  max-width: 18ch;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.12;
}

.section-lead {
  margin: 0 0 2.75rem;
  max-width: 38rem;
  color: var(--ink-soft);
  font-size: 1.125rem;
}

/* Work focus list — no card chrome */

.focus-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.focus-list li {
  display: grid;
  gap: 0.5rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
}

.focus-list h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.55rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.focus-list p {
  margin: 0;
  max-width: 40rem;
  color: var(--ink-soft);
}

@media (min-width: 800px) {
  .focus-list li {
    grid-template-columns: minmax(14rem, 1fr) 1.4fr;
    gap: 2rem;
    align-items: baseline;
  }
}

/* Foodie Penguin */

.product {
  background:
    linear-gradient(180deg, rgba(15, 122, 95, 0.06), transparent 40%),
    transparent;
}

.product-layout {
  display: grid;
  gap: 2.5rem;
}

.product-tagline {
  margin: 0 0 1.25rem;
  font-family: var(--font-accent);
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  font-style: italic;
  line-height: 1.3;
  color: var(--accent-deep);
}

.product-copy > p:not(.eyebrow):not(.product-tagline) {
  margin: 0 0 1.5rem;
  max-width: 36rem;
  color: var(--ink-soft);
}

.product-points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.product-points li {
  position: relative;
  padding-left: 1.35rem;
  color: var(--ink);
  font-weight: 500;
}

.product-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--accent);
}

.product-visual {
  margin: 0;
}

.product-visual img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 1.25rem;
  filter: saturate(0.92) contrast(1.02);
}

.product-visual figcaption {
  margin-top: 0.85rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

@media (min-width: 900px) {
  .product-layout {
    grid-template-columns: 1fr 1.05fr;
    gap: 3.5rem;
    align-items: center;
  }
}

/* Approach */

.steps {
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.75rem;
}

.steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
}

.step-num {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--highlight);
  padding-top: 0.35rem;
}

.steps h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.steps p {
  margin: 0;
  max-width: 34rem;
  color: var(--ink-soft);
}

@media (min-width: 800px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }

  .steps li {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--line);
  }
}

/* Contact */

.contact {
  padding-bottom: clamp(5rem, 12vw, 8rem);
}

.contact-inner {
  width: min(760px, calc(100% - 2.5rem));
  text-align: center;
}

.contact h2 {
  margin-inline: auto;
  max-width: 16ch;
}

.contact p {
  margin: 0 auto 1.75rem;
  max-width: 32rem;
  color: var(--ink-soft);
  font-size: 1.125rem;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem clamp(1.25rem, 4vw, 2.5rem) 2.5rem;
}

.footer-inner {
  width: min(1120px, 100%);
  margin-inline: auto;
  display: grid;
  gap: 0.35rem;
}

.footer-brand {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.footer-note,
.footer-copy {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.footer-copy {
  margin-top: 0.75rem;
}

/* Motion */

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes hero-zoom {
  to {
    transform: scale(1);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-media img,
  .hero-brand,
  .hero-headline,
  .hero-support,
  .hero-actions,
  .reveal {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}