/* ============================================================
   Lekas Takzim Sdn. Bhd. — Design System
   ============================================================ */

/* ─── 1. Custom Properties ─────────────────────────────────── */
:root {
  /* Color */
  --color-bg:          #0f0f0f;
  --color-surface:     #1a1a1a;
  --color-surface-2:   #242424;
  --color-border:      #2e2e2e;
  --color-text:        #f0f0f0;
  --color-text-muted:  #888888;
  --color-text-subtle: #555555;
  --color-accent:      #00227c;
  --color-accent-light: #6a9ef5;
  --color-accent-dim:  rgba(0, 34, 124, 0.15);
  --color-overlay:     rgba(6, 10, 24, 0.72);

  /* Typography */
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body:    'Inter', sans-serif;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  2rem;
  --text-4xl:  3rem;
  --text-hero: clamp(3.5rem, 8vw, 7rem);

  --weight-light:  300;
  --weight-normal: 400;
  --weight-medium: 500;
  --weight-bold:   600;
  --weight-black:  700;

  --leading-tight:  1.1;
  --leading-snug:   1.3;
  --leading-normal: 1.6;
  --leading-loose:  1.8;

  --tracking-tight:   -0.02em;
  --tracking-normal:   0;
  --tracking-wide:     0.08em;
  --tracking-widest:   0.18em;

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --max-width:       1200px;
  --nav-height:      72px;
  --section-padding: clamp(4rem, 10vw, 8rem);

  /* Motion */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out:   cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast:      150ms;
  --dur-normal:    300ms;
  --dur-slow:      600ms;
  --dur-content:   400ms;

  /* Borders */
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --border-1:  1px solid var(--color-border);
}

/* ─── 2. Reset & Base ──────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-weight: var(--weight-normal);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol { list-style: none; }

button, input, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

/* ─── 3. Utilities ─────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-8);
}

.section {
  padding-block: var(--section-padding);
}

.flex           { display: flex; }
.flex-col       { display: flex; flex-direction: column; }
.items-center   { align-items: center; }
.items-start    { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-4  { gap: var(--space-4); }
.gap-6  { gap: var(--space-6); }
.gap-8  { gap: var(--space-8); }

.grid      { display: grid; }
.grid-auto { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

.text-muted   { color: var(--color-text-muted); }
.text-accent  { color: var(--color-accent-light); }
.text-upper   { text-transform: uppercase; }
.text-center  { text-align: center; }

.tracking-wide    { letter-spacing: var(--tracking-wide); }
.tracking-widest  { letter-spacing: var(--tracking-widest); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}

/* ─── 4. Typography Scale ──────────────────────────────────── */
.display-1 {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: var(--weight-black);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  text-transform: uppercase;
}

.display-2 {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  text-transform: uppercase;
}

.display-3 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-snug);
  text-transform: uppercase;
}

.overline {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent-light);
  display: block;
  margin-bottom: var(--space-4);
}

.body-lg { font-size: var(--text-lg); line-height: var(--leading-loose); }
.body-md { font-size: var(--text-base); line-height: var(--leading-normal); }
.body-sm { font-size: var(--text-sm); line-height: var(--leading-normal); }

/* ─── 5. Navigation ────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition:
    background-color var(--dur-slow) var(--ease-in-out),
    border-color     var(--dur-slow) var(--ease-in-out),
    backdrop-filter  var(--dur-slow) var(--ease-in-out);
}

.nav--solid {
  background-color: rgba(4, 10, 30, 0.93);
  border-bottom-color: var(--color-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav__inner {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  color: var(--color-text);
  line-height: 1;
}

.nav__logo {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  object-fit: contain;
}

.nav__company-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  display: block;
}

.nav__company-reg {
  font-size: var(--text-xs);
  font-weight: var(--weight-light);
  color: var(--color-text-muted);
  display: block;
  margin-top: 2px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-muted);
  position: relative;
  padding-block: var(--space-2);
  transition: color var(--dur-normal) var(--ease-in-out);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background-color: var(--color-accent-light);
  transition: width var(--dur-normal) var(--ease-out-expo);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-text);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background-color: var(--color-text);
  transition:
    transform var(--dur-normal) var(--ease-in-out),
    opacity  var(--dur-normal) var(--ease-in-out);
}

/* Mobile menu overlay */
.nav__mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  background-color: var(--color-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-10);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-normal) var(--ease-in-out);
}

.nav__mobile-menu.is-open {
  opacity: 1;
  pointer-events: all;
}

.nav__mobile-link {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-muted);
  transition: color var(--dur-normal) var(--ease-in-out);
}

.nav__mobile-link:hover { color: var(--color-accent-light); }

@media (max-width: 768px) {
  .nav__links     { display: none; }
  .nav__hamburger { display: flex; }
}

/* ─── 6. Content host fade ─────────────────────────────────── */
#content {
  opacity: 1;
  transition: opacity var(--dur-content) var(--ease-in-out);
}

#content.is-fading {
  opacity: 0;
  pointer-events: none;
}

/* ─── 7. Hero ──────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  min-height: 100vh; /* fallback */
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: var(--space-24);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(135deg, #060c1a 0%, #0d1529 50%, #04070f 100%);
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.3);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(ellipse at 30% 70%, transparent 20%, rgba(0,0,0,0.75) 100%);
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-8);
  width: 100%;
}

.hero__tag {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent-light);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp var(--dur-slow) var(--ease-out-expo) 0.2s forwards;
}

.hero__tag::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background-color: var(--color-accent-light);
  flex-shrink: 0;
}

.hero__headline {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: var(--weight-black);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  text-transform: uppercase;
  color: var(--color-text);
  max-width: 14ch;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp var(--dur-slow) var(--ease-out-expo) 0.4s forwards;
}

.hero__headline .accent-word {
  color: var(--color-accent-light);
}

.hero__sub {
  margin-top: var(--space-6);
  font-size: var(--text-lg);
  font-weight: var(--weight-light);
  color: var(--color-text-muted);
  max-width: 52ch;
  line-height: var(--leading-loose);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp var(--dur-slow) var(--ease-out-expo) 0.6s forwards;
}

.hero__cta-row {
  margin-top: var(--space-10);
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp var(--dur-slow) var(--ease-out-expo) 0.8s forwards;
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-10);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-subtle);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  opacity: 0;
  animation: fadeUp var(--dur-slow) var(--ease-out-expo) 1.2s forwards;
}

.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--color-accent-light), transparent);
  animation: scrollPulse 2s var(--ease-in-out) infinite;
}

/* Stats bar */
.stats-bar {
  border-top: var(--border-1);
  border-bottom: var(--border-1);
  padding-block: var(--space-10);
  display: flex;
  justify-content: space-between;
  gap: var(--space-8);
}

.stat-item__number {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--weight-black);
  color: var(--color-accent-light);
  line-height: 1;
}

.stat-item__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-top: var(--space-2);
}

/* ─── 8. Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition:
    background-color var(--dur-normal) var(--ease-in-out),
    color            var(--dur-normal) var(--ease-in-out),
    border-color     var(--dur-normal) var(--ease-in-out),
    transform        var(--dur-fast)   var(--ease-in-out);
}

.btn:active { transform: translateY(1px); }

.btn--primary {
  background-color: var(--color-accent);
  color: #ffffff;
  border: 1px solid var(--color-accent);
}

.btn--primary:hover {
  background-color: transparent;
  color: var(--color-accent-light);
  border-color: var(--color-accent-light);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.btn--ghost:hover {
  border-color: var(--color-text-muted);
  color: var(--color-text);
}

/* ─── 9. Section header (shared) ──────────────────────────── */
.section-header {
  margin-bottom: var(--space-16);
}

.section-header--center { text-align: center; }

.section-header__title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  text-transform: uppercase;
  color: var(--color-text);
  max-width: 18ch;
}

.section-header--center .section-header__title {
  max-width: none;
}

.section-header__body {
  margin-top: var(--space-6);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 60ch;
  line-height: var(--leading-loose);
}

.section-header--center .section-header__body {
  margin-inline: auto;
}

/* ─── 10. About ────────────────────────────────────────────── */
.about {
  background-color: var(--color-bg);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.about__pillars {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  margin-top: var(--space-10);
}

.pillar {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: var(--space-4);
  align-items: start;
}

.pillar__number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-black);
  color: var(--color-accent-light);
  line-height: 1;
  opacity: 0.5;
}

.pillar__title {
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.pillar__body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-loose);
}

.about__visual {
  position: relative;
  align-self: stretch;
  display: flex;
  align-items: center;
}

.about__image {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  filter: grayscale(25%);
  border-radius: var(--radius-md);
  background-color: var(--color-surface-2);
}

.about__image-placeholder {
  width: 100%;
  aspect-ratio: 4 / 5;
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-surface-2) 100%);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  color: var(--color-text-subtle);
}

.about__image-placeholder svg {
  width: 48px;
  height: 48px;
  opacity: 0.3;
}

.about__visual::before {
  content: '';
  position: absolute;
  inset: -10px -10px 10px 10px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  z-index: -1;
  opacity: 0.25;
  pointer-events: none;
}

.about__stat {
  position: absolute;
  bottom: var(--space-8);
  left: calc(-1 * var(--space-8));
  background-color: var(--color-surface);
  border: var(--border-1);
  padding: var(--space-5) var(--space-6);
  border-radius: var(--radius-md);
}

.about__stat-number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-black);
  color: var(--color-accent-light);
  line-height: 1;
}

.about__stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-top: var(--space-1);
}

/* ─── 11. Services ─────────────────────────────────────────── */
.services {
  background-color: var(--color-surface);
  border-top: var(--border-1);
  border-bottom: var(--border-1);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background-color: var(--color-border); /* creates 1px gaps as borders */
  margin-top: var(--space-12);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.service-card {
  background-color: var(--color-surface-2);
  padding: var(--space-10) var(--space-8);
  position: relative;
  overflow: hidden;
  transition: background-color var(--dur-normal) var(--ease-in-out);
}

.service-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background-color: var(--color-accent-light);
  transition: width var(--dur-slow) var(--ease-out-expo);
}

.service-card:hover {
  background-color: var(--color-surface);
}

.service-card:hover::before {
  width: 100%;
}

.service-card__icon {
  width: 40px;
  height: 40px;
  margin-bottom: var(--space-8);
  color: var(--color-accent-light);
}

.service-card__num {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-widest);
  color: var(--color-text-subtle);
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.service-card__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  color: var(--color-text);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-4);
  line-height: var(--leading-snug);
}

.service-card__body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-loose);
}

.services__cta {
  margin-top: var(--space-16);
  padding-top: var(--space-8);
  border-top: var(--border-1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.services__cta-text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 50ch;
  line-height: var(--leading-loose);
}

/* ─── 12. Projects ─────────────────────────────────────────── */
.projects {
  background-color: var(--color-bg);
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-12);
}

.project-card:first-child {
  grid-column: 1 / -1;
}

.project-card {
  position: relative;
  overflow: hidden;
  background-color: var(--color-surface);
  border-radius: var(--radius-sm);
  border: var(--border-1);
}

.project-card__image-wrap {
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background-color: var(--color-surface-2);
  position: relative;
}

.project-card:first-child .project-card__image-wrap {
  aspect-ratio: 21 / 9;
}

.project-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(20%);
  transition:
    transform var(--dur-slow) var(--ease-out-expo),
    filter    var(--dur-slow) var(--ease-in-out);
}

.project-card:hover .project-card__image {
  transform: scale(1.04);
  filter: grayscale(0%);
}

/* Placeholder for when no image is set */
.project-card__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-subtle);
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-surface-2) 100%);
}

.project-card__info {
  padding: var(--space-6);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
}

.project-card__meta {
  font-size: var(--text-xs);
  color: var(--color-accent-light);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.project-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  color: var(--color-text);
  letter-spacing: var(--tracking-tight);
}

.project-card__arrow {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border: var(--border-1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition:
    border-color var(--dur-normal),
    color        var(--dur-normal),
    transform    var(--dur-normal) var(--ease-out-expo);
}

.project-card:hover .project-card__arrow {
  border-color: var(--color-accent-light);
  color: var(--color-accent-light);
  transform: rotate(45deg);
}

/* ─── 13. Contact ──────────────────────────────────────────── */
.contact {
  background-color: var(--color-surface);
  border-top: var(--border-1);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.contact__details {
  margin-top: var(--space-10);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact__detail-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: var(--space-1);
}

.contact__detail-value {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* Form */
.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.form-input,
.form-textarea {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text);
  width: 100%;
  outline: none;
  -webkit-appearance: none;
  transition:
    border-color var(--dur-normal) var(--ease-in-out),
    box-shadow   var(--dur-normal) var(--ease-in-out);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-subtle);
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-accent-light);
  box-shadow: 0 0 0 3px var(--color-accent-dim);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.form-status {
  font-size: var(--text-sm);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  display: none;
}

.form-status--success {
  background-color: rgba(0, 34, 124, 0.12);
  border: 1px solid rgba(106, 158, 245, 0.35);
  color: var(--color-accent-light);
}

.form-status--error {
  background-color: rgba(220, 53, 69, 0.1);
  border: 1px solid rgba(220, 53, 69, 0.3);
  color: #e05c6a;
}

.form-status.is-visible { display: block; }

/* ─── 14. Footer ───────────────────────────────────────────── */
.footer {
  background-color: var(--color-bg);
  border-top: var(--border-1);
  padding-block: var(--space-12);
}

.footer__inner {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-8);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-8);
}

.footer__brand-name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.footer__brand-reg {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.footer__copy {
  font-size: var(--text-xs);
  color: var(--color-text-subtle);
  text-align: center;
  letter-spacing: var(--tracking-wide);
}

.footer__links {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-6);
}

.footer__link {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--dur-normal);
}

.footer__link:hover { color: var(--color-accent-light); }

/* ─── 15. Animations ───────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50%       { opacity: 1;   transform: scaleY(0.7); }
}

/* Scroll-reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity   var(--dur-slow) var(--ease-out-expo),
    transform var(--dur-slow) var(--ease-out-expo);
}

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

/* Staggered children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity   var(--dur-slow) var(--ease-out-expo) var(--reveal-delay, 0ms),
    transform var(--dur-slow) var(--ease-out-expo) var(--reveal-delay, 0ms);
}

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

/* ─── 16. Responsive ───────────────────────────────────────── */
@media (max-width: 1024px) {
  .about__grid    { grid-template-columns: 1fr; }
  .about__stat    { left: 0; }
  .contact__grid  { grid-template-columns: 1fr; }
  .services__grid { grid-template-columns: 1fr; }
  .services__cta  { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 768px) {
  :root {
    --nav-height:      60px;
    --section-padding: clamp(3rem, 8vw, 5rem);
  }

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

  .project-card:first-child {
    grid-column: auto;
  }

  .project-card:first-child .project-card__image-wrap {
    aspect-ratio: 16 / 9;
  }

  .form-row { grid-template-columns: 1fr; }

  .footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-6);
  }

  .footer__links { justify-content: center; }

  .stats-bar {
    flex-wrap: wrap;
    gap: var(--space-6);
  }

  .stats-bar > * { flex: 1 1 40%; }

  .hero__cta-row { flex-direction: column; align-items: flex-start; }
}

/* ─── 17. Responsive column utilities ─────────────────────── */

/* 2-column grid (about preview, projects commitment, team CTA) */
.col-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

/* 3-column grid (about history, etc.) */
.col-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

/* 4-column grid (services process steps) */
.col-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

/* 3-column panel grid (home services preview) */
.col-3-panel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background-color: var(--color-border);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

@media (max-width: 1024px) {
  .col-2          { grid-template-columns: 1fr; gap: var(--space-10); }
  .col-3          { grid-template-columns: 1fr 1fr; }
  .col-4          { grid-template-columns: 1fr 1fr; }
  .col-3-panel    { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .col-3          { grid-template-columns: 1fr; }
  .col-4          { grid-template-columns: 1fr 1fr; }
  .col-3-panel    { grid-template-columns: 1fr; }
}

@media (max-width: 540px) {
  .col-4          { grid-template-columns: 1fr; }
}

/* ─── 18. Reduced motion ───────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal,
  .reveal-stagger > * {
    opacity: 1;
    transform: none;
  }

  .hero__tag,
  .hero__headline,
  .hero__sub,
  .hero__cta-row,
  .hero__scroll {
    opacity: 1;
    transform: none;
    animation: none;
  }
}