/* Base Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
button,
input,
select,
textarea {
  font: inherit;
}

:root {
  --color-bg: #f5f5f5;
  --color-surface: #ffffff;
  --color-surface-alt: #edeff5;
  --color-text: #0a1f44;
  --color-muted: #4e5b7c;
  --color-accent: #d19a2e;
  --color-accent-muted: rgba(209, 154, 46, 0.15);
  --color-navy-dark: #081533;
  --color-border: #d8dfec;
  --color-light: #ffffff;
  --radius-base: 0.85rem;
  --shadow-soft: 0 15px 45px rgba(10, 31, 68, 0.08);
  --max-width: 1100px;
}

/* Layout */
.container {
  width: min(100% - 2.5rem, var(--max-width));
  margin-inline: auto;
}
section {
  padding: 4rem 0;
}
@media (max-width: 600px) {
  section {
    padding: 3rem 0;
  }
}

.section-header {
  margin-bottom: 2rem;
  text-align: left;
}
.section-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.8rem;
  color: var(--color-accent);
}
.section-title {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  margin: 0.5rem 0;
  color: var(--color-text);
}
.section-description {
  color: var(--color-muted);
  max-width: 60ch;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(245, 245, 245, 0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 4px 12px rgba(10, 31, 68, 0.04);
}
.header__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 0;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  color: var(--color-text);
}
.logo img {
  width: 50px;
  height: auto;
  border-radius: 0.5rem;
  box-shadow: 0 6px 18px rgba(10, 31, 68, 0.12);
  border: 2px solid var(--color-surface);
  background-color: var(--color-light);
}

.site-nav {
  display: flex;
}
.site-nav ul {
  display: flex;
  gap: 1rem;
}
.site-nav a {
  padding: 0.5rem 0.75rem;
  border-radius: 999px;
  font-weight: 500;
  color: var(--color-text);
  transition:
    background 0.2s ease,
    color 0.2s ease;
}
.site-nav a:focus-visible,
.site-nav a:hover {
  background: var(--color-accent);
  color: var(--color-navy-dark);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  padding: 0.35rem 0.5rem;
  border-radius: 0.4rem;
  color: var(--color-text);
}

@media (max-width: 900px) {
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    transform-origin: top;
    transform: scaleY(0);
    opacity: 0;
    pointer-events: none;
    transition:
      transform 0.25s ease,
      opacity 0.25s ease;
    box-shadow: 0 15px 30px rgba(10, 31, 68, 0.08);
  }
  .site-nav.open {
    transform: scaleY(1);
    opacity: 1;
    pointer-events: auto;
  }
  .site-nav ul {
    flex-direction: column;
    padding: 1rem 1.5rem;
  }
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
  }
}

/* Hero */
.hero {
  padding: clamp(4rem, 8vw, 6.5rem) 0;
  background:
    linear-gradient(
      135deg,
      rgba(255, 245, 231, 0.55) 0%,
      rgba(238, 247, 255, 0.42) 55%,
      rgba(227, 241, 255, 0.35) 100%
    ),
    url("../img/solarfarm.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--color-text);
  transition:
    background 0.45s ease,
    filter 0.45s ease;
  box-shadow: inset 0 -1px 0 var(--color-border);
}
.hero--agriworks {
  background-image:
    linear-gradient(
      135deg,
      rgba(255, 247, 236, 0.58) 0%,
      rgba(234, 247, 237, 0.42) 60%,
      rgba(225, 240, 234, 0.34) 100%
    ),
    url("../img/agritech.jpg");
}
.hero--engitech {
  background-image:
    linear-gradient(
      135deg,
      rgba(247, 251, 255, 0.6) 0%,
      rgba(220, 238, 255, 0.44) 70%,
      rgba(202, 227, 255, 0.36) 100%
    ),
    url("../img/engitech.jpg");
}
.hero--innovation {
  background-image:
    linear-gradient(
      135deg,
      rgba(255, 248, 232, 0.6) 0%,
      rgba(255, 241, 215, 0.45) 60%,
      rgba(255, 233, 194, 0.36) 100%
    ),
    url("../img/innovation.jpg");
}
.hero--engitech-peek {
  background-image:
    linear-gradient(
      120deg,
      rgba(255, 255, 255, 0.6),
      rgba(205, 232, 255, 0.35)
    ),
    url("../img/enginetech-drone.jpg");
  filter: none;
  color: var(--color-text);
}
.hero--engitech-peek p {
  color: rgba(10, 31, 68, 0.8);
}
.hero--engitech-peek .btn-secondary {
  border-color: rgba(10, 31, 68, 0.4);
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.85);
}
.hero--engitech-peek .btn-secondary:hover,
.hero--engitech-peek .btn-secondary:focus-visible {
  background: var(--color-text);
  color: var(--color-light);
}
.hero .container {
  display: grid;
  gap: 2rem;
}
.hero h1 {
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  margin: 0;
  color: var(--color-text);
}
.hero p {
  font-size: 1.1rem;
  max-width: 60ch;
  color: rgba(10, 31, 68, 0.8);
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.hero .btn-secondary {
  border: 1px solid rgba(10, 31, 68, 0.25);
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.8);
}
.hero .btn-secondary:hover,
.hero .btn-secondary:focus-visible {
  background: var(--color-text);
  color: var(--color-light);
}

.section-panel {
  background: linear-gradient(180deg, #ffffff 0%, #eef2fb 120%);
  border-top: 1px solid var(--color-border);
  box-shadow: inset 0 35px 60px rgba(10, 31, 68, 0.04);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease,
    color 0.2s ease;
}
.btn-primary {
  background: var(--color-accent);
  color: var(--color-text);
  box-shadow: var(--shadow-soft);
}
.btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.6);
  color: var(--color-light);
  background: transparent;
}
.btn-surface {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn:focus-visible,
.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(10, 31, 68, 0.15);
}
.btn-primary:focus-visible,
.btn-primary:hover {
  background: var(--color-navy-dark);
  color: var(--color-light);
}

/* Cards */
.card-grid {
  display: grid;
  gap: 1.5rem;
}
.card {
  background: var(--color-surface);
  padding: 1.75rem;
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.card h3 {
  margin-top: 0;
  color: var(--color-text);
}
.card p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.card__media {
  border-radius: calc(var(--radius-base) - 0.25rem);
  overflow: hidden;
  box-shadow: 0 12px 28px rgba(10, 31, 68, 0.14);
  border: 1px solid var(--color-border);
}
.card__media img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

@media (min-width: 700px) {
  .card-grid.two-column {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .card-grid.three-column {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .card-grid.four-column {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* Value props, stats */
.value-list {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(1, minmax(0, 1fr));
}
@media (min-width: 640px) {
  .value-list[data-columns="2"],
  .value-list[data-columns="3"],
  .value-list[data-columns="4"] {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 960px) {
  .value-list[data-columns="3"] {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
@media (min-width: 1200px) {
  .value-list[data-columns="4"] {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
.value-item {
  padding: 1.5rem;
  border-radius: var(--radius-base);
  border: 1px dashed var(--color-accent);
  background: var(--color-surface);
  box-shadow: 0 6px 18px rgba(10, 31, 68, 0.05);
}
.value-item h4 {
  margin: 0 0 0.4rem;
  color: var(--color-text);
}
.value-item p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.stats-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(1, minmax(0, 1fr));
}
@media (min-width: 640px) {
  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 960px) {
  .stats-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.stat {
  padding: 1.5rem;
  border-radius: var(--radius-base);
  background: var(--color-text);
  color: var(--color-bg);
  text-align: center;
  box-shadow: var(--shadow-soft);
}
.stat strong {
  font-size: 1.6rem;
  display: block;
}

/* Illustrations */
.illustration {
  width: 100%;
  min-height: 220px;
  border-radius: var(--radius-base);
  background: var(--color-accent-muted);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.illustration--innovation {
  background-image:
    linear-gradient(rgba(10, 31, 68, 0.2), rgba(10, 31, 68, 0.2)),
    url("../img/innovation.jpg");
}
.illustration--footprint {
  background-image:
    linear-gradient(rgba(10, 31, 68, 0.25), rgba(10, 31, 68, 0.25)),
    url("../img/madzishe-header.webp");
}
.illustration--agriworks {
  background-image:
    linear-gradient(rgba(10, 31, 68, 0.2), rgba(209, 154, 46, 0.25)),
    url("../img/agritech.jpg");
}
.illustration--engitech {
  background-image:
    linear-gradient(rgba(10, 31, 68, 0.25), rgba(10, 31, 68, 0.25)),
    url("../img/engitech.jpg");
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
}
.data-table th,
.data-table td {
  border: 1px solid var(--color-border);
  padding: 0.9rem;
  text-align: left;
}
.data-table th {
  background: var(--color-surface-alt);
  color: var(--color-text);
}

/* Timeline */
.timeline {
  display: grid;
  gap: 1rem;
}
.timeline__item {
  border-left: 3px solid var(--color-accent);
  padding-left: 1rem;
  background: var(--color-surface);
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-soft);
  padding: 1rem 1.25rem;
}

/* Leadership */
.leadership-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.leader-card {
  background: var(--color-surface);
  border-radius: var(--radius-base);
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-align: center;
}
.leader-card__media {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid rgba(209, 154, 46, 0.45);
  box-shadow: 0 10px 25px rgba(10, 31, 68, 0.18);
  background: linear-gradient(
    135deg,
    rgba(10, 31, 68, 0.08),
    rgba(209, 154, 46, 0.12)
  );
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.75rem;
}
.leader-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.leader-card__placeholder {
  color: var(--color-muted);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.leader-card__contact {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin: 0;
}
.leader-card__contact a {
  color: var(--color-text);
  font-weight: 600;
}
.leader-card h3 {
  margin-top: 0;
}
.leader-card span {
  font-weight: 600;
  color: var(--color-accent);
}

/* Clients */
.client-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}
.client-card {
  padding: 1.25rem;
  border-radius: var(--radius-base);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: 0 8px 20px rgba(10, 31, 68, 0.06);
}

/* Forms */
.form-grid {
  display: grid;
  gap: 1rem;
}
.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.form-field label {
  font-weight: 600;
  color: var(--color-text);
}
.form-field input,
.form-field select,
.form-field textarea {
  padding: 0.75rem;
  border-radius: 0.5rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: 2px solid var(--color-accent);
}

/* Footer */
.site-footer {
  background: var(--color-text);
  color: var(--color-light);
  padding: 3rem 0;
}
.footer-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.footer-grid h4 {
  margin-top: 0;
}
.site-footer a {
  color: var(--color-accent);
}
.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.footer-links a {
  color: var(--color-light);
  opacity: 0.9;
  font-weight: 500;
}
.footer-links a:hover {
  color: var(--color-accent);
  opacity: 1;
}
.footer-meta {
  margin-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 1rem;
  font-size: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* Utilities */
.bg-accent {
  background: var(--color-surface);
}
.text-center {
  text-align: center;
}
.highlight {
  color: var(--color-accent);
  font-weight: 700;
}
.split {
  display: grid;
  gap: 2rem;
}
@media (min-width: 880px) {
  .split.two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: center;
  }
}

.notice {
  border-left: 4px solid var(--color-accent);
  padding: 1rem 1.25rem;
  background: var(--color-surface);
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-soft);
}

/* Accessibility helpers */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-text);
  color: var(--color-light);
  padding: 0.5rem 1rem;
  z-index: 1000;
  border-radius: 0 0.5rem 0.5rem 0;
}
.skip-link:focus {
  top: 0;
}