/* ============================================================
   Havalandırma İmalatı — Design System
   Premium · Endüstriyel · Kurumsal
   ============================================================ */

@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600&family=Space+Grotesk:wght@500;600;700&display=swap");

:root {
  /* Logo-inspired industrial palette: deep steel navy + air teal + copper CTA */
  --color-deep: #0b1c2c;
  --color-primary: #14324a;
  --color-steel: #3d5f78;
  --color-air: #5b8fa8;
  --color-accent: #c45c26;
  --color-accent-hover: #a84b1d;
  --color-surface: #f3f5f7;
  --color-pure: #ffffff;
  --color-ink: #0e141b;
  --color-mute: #6b7684;
  --color-line: #d7dde5;
  --color-success: #2f6b4f;
  --color-overlay: rgba(11, 28, 44, 0.62);

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", system-ui, sans-serif;

  --fs-h1: clamp(2.25rem, 4.2vw, 4rem);
  --fs-h2: clamp(1.75rem, 2.8vw, 2.5rem);
  --fs-h3: clamp(1.25rem, 1.6vw, 1.625rem);
  --fs-body: 1.0625rem;
  --fs-small: 0.875rem;

  --lh-tight: 1.05;
  --lh-snug: 1.2;
  --lh-body: 1.65;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --shadow-soft: 0 8px 24px rgba(14, 20, 27, 0.08);
  --shadow-lift: 0 16px 40px rgba(14, 20, 27, 0.12);

  --container: 1200px;
  --header-h: 80px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --trans: 0.35s var(--ease);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-ink);
  background: var(--color-pure);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--trans), opacity var(--trans);
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--lh-tight);
  color: var(--color-deep);
  margin: 0 0 var(--space-4);
}

h1 {
  font-size: var(--fs-h1);
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--fs-h2);
  letter-spacing: -0.015em;
  line-height: var(--lh-snug);
}

h3 {
  font-size: var(--fs-h3);
  line-height: var(--lh-snug);
}

p {
  margin: 0 0 var(--space-4);
  color: var(--color-mute);
}

p:last-child {
  margin-bottom: 0;
}

.container-narrow {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

.container-wide {
  width: min(100% - 2.5rem, 1360px);
  margin-inline: auto;
}

/* Bootstrap overrides — hide “theme” feel */
.container,
.container-fluid,
.row,
[class*="col-"] {
  --bs-gutter-x: 1.5rem;
}

.btn:focus,
.form-control:focus,
.form-select:focus {
  box-shadow: none;
}

/* ---------- Typography helpers ---------- */
.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-air);
  margin-bottom: var(--space-4);
}

.lead-text {
  font-size: 1.125rem;
  color: var(--color-mute);
  max-width: 36rem;
}

.text-ink {
  color: var(--color-ink);
}

.text-on-dark {
  color: rgba(255, 255, 255, 0.78);
}

.text-on-dark-strong {
  color: #fff;
}

/* ---------- Buttons ---------- */
.btn-primary-brand,
.btn-secondary-brand,
.btn-ghost-brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--trans), color var(--trans), border-color var(--trans),
    transform var(--trans), box-shadow var(--trans);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary-brand {
  background: var(--color-accent);
  color: #fff;
}

.btn-primary-brand:hover {
  background: var(--color-accent-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.btn-secondary-brand {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.45);
}

.btn-secondary-brand:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  transform: translateY(-2px);
}

.btn-secondary-brand.dark {
  color: var(--color-deep);
  border-color: var(--color-deep);
}

.btn-secondary-brand.dark:hover {
  background: var(--color-deep);
  color: #fff;
}

.btn-ghost-brand {
  background: transparent;
  color: var(--color-deep);
  padding-inline: 0;
  min-height: auto;
  border: 0;
  border-radius: 0;
}

.btn-ghost-brand:hover {
  color: var(--color-accent);
}

.btn-ghost-brand i {
  transition: transform var(--trans);
}

.btn-ghost-brand:hover i {
  transform: translateX(4px);
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1040;
  height: var(--header-h);
  transition: background var(--trans), box-shadow var(--trans), backdrop-filter var(--trans);
}

.site-header.is-solid,
.site-header.page-solid {
  background: rgba(11, 28, 44, 0.94);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

.site-header.is-solid .nav-link-item,
.site-header.page-solid .nav-link-item,
.site-header.is-solid .brand-text,
.site-header.page-solid .brand-text {
  color: #fff;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: var(--space-5);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 2;
}

.brand-mark {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.brand-text {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.brand-text span {
  display: block;
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.65;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 0.15rem;
}

.nav-link-item {
  position: relative;
  padding: 0.55rem 0.7rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.88);
}

.nav-link-item:hover,
.nav-link-item.is-active {
  color: #fff;
}

.nav-link-item.is-active::after {
  content: "";
  position: absolute;
  left: 0.7rem;
  right: 0.7rem;
  bottom: 0.2rem;
  height: 2px;
  background: var(--color-accent);
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  min-width: 240px;
  padding: 0.6rem;
  background: var(--color-pure);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lift);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--trans), transform var(--trans), visibility var(--trans);
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-menu a {
  display: block;
  padding: 0.7rem 0.85rem;
  font-size: 0.875rem;
  color: var(--color-ink);
  border-radius: var(--radius-sm);
}

.nav-dropdown-menu a:hover {
  background: var(--color-surface);
  color: var(--color-primary);
}

.header-cta {
  display: none;
}

.nav-toggle {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-md);
  background: transparent;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  z-index: 2;
}

.nav-mobile {
  position: fixed;
  inset: 0;
  background: var(--color-deep);
  padding: calc(var(--header-h) + 1.5rem) 1.5rem 2rem;
  transform: translateX(100%);
  transition: transform 0.45s var(--ease);
  z-index: 1035;
  overflow-y: auto;
  visibility: hidden;
  pointer-events: none;
}

.nav-mobile.is-open {
  transform: translateX(0);
  visibility: visible;
  pointer-events: auto;
}

.nav-mobile a {
  display: block;
  padding: 1rem 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-mobile .sub-links {
  padding: 0.5rem 0 0.5rem 0.75rem;
}

.nav-mobile .sub-links a {
  font-family: var(--font-body);
  font-size: 0.95rem;
  opacity: 0.75;
  border: 0;
  padding: 0.55rem 0;
}

.nav-mobile-cta {
  margin-top: 2rem;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-deep);
  color: rgba(255, 255, 255, 0.72);
  padding: var(--space-9) 0 var(--space-6);
}

.footer-grid {
  display: grid;
  gap: var(--space-7);
}

.footer-brand .brand-text {
  margin-bottom: var(--space-4);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.62);
  max-width: 28rem;
}

.footer-col h4 {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: var(--space-5);
}

.footer-col a {
  display: block;
  padding: 0.35rem 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.9375rem;
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
  font-size: var(--fs-small);
}

/* ---------- Sections common ---------- */
.section {
  padding: var(--space-9) 0;
  position: relative;
}

.section-tight {
  padding: var(--space-8) 0;
}

.section-surface {
  background: var(--color-surface);
}

.section-dark {
  background: var(--color-deep);
  color: #fff;
}

.section-dark h2,
.section-dark h3 {
  color: #fff;
}

.section-head {
  max-width: 40rem;
  margin-bottom: var(--space-7);
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

/* ---------- Vision / Hero ---------- */
.vision {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  padding: calc(var(--header-h) + 2rem) 0 5rem;
  color: #fff;
  overflow: hidden;
}

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

.vision-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.vision-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(11, 28, 44, 0.88) 0%,
    rgba(11, 28, 44, 0.55) 48%,
    rgba(11, 28, 44, 0.35) 100%
  );
}

.vision-content {
  position: relative;
  z-index: 1;
  max-width: 40rem;
}

.vision-content h1 {
  color: #fff;
  margin-bottom: var(--space-5);
}

.vision-content .lead-text {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-6);
}

.page-hero {
  position: relative;
  padding: calc(var(--header-h) + 4rem) 0 4.5rem;
  background: var(--color-deep);
  color: #fff;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 20%, rgba(91, 143, 168, 0.22), transparent 55%);
  pointer-events: none;
}

.page-hero h1 {
  color: #fff;
}

.page-hero .lead-text {
  color: rgba(255, 255, 255, 0.72);
}

/* ---------- Capabilities ---------- */
.capabilities-layout {
  display: grid;
  gap: var(--space-7);
}

.capabilities-sticky h2 {
  margin-bottom: var(--space-4);
}

.capability-row {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-6) 0;
  border-top: 1px solid var(--color-line);
  align-items: center;
}

.capability-row:last-child {
  border-bottom: 1px solid var(--color-line);
}

.capability-row h3 {
  margin: 0;
}

.capability-row p {
  margin: 0;
}

.capability-thumb {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.capability-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}

.capability-row:hover .capability-thumb img {
  transform: scale(1.03);
}

/* ---------- Industries ---------- */
.industries-grid {
  display: grid;
  gap: var(--space-5);
}

.industry-block {
  position: relative;
  display: block;
  overflow: hidden;
  min-height: 280px;
  color: #fff;
}

.industry-block img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}

.industry-block:hover img {
  transform: scale(1.04);
}

.industry-block::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 28, 44, 0.85) 0%, rgba(11, 28, 44, 0.2) 60%);
}

.industry-label {
  position: absolute;
  left: 1.5rem;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 1;
}

.industry-label h3 {
  color: #fff;
  margin-bottom: 0.35rem;
}

.industry-label p {
  color: rgba(255, 255, 255, 0.75);
  margin: 0;
  font-size: var(--fs-small);
}

/* ---------- Solutions ---------- */
.solutions-grid {
  display: grid;
  gap: var(--space-5);
}

.solution-panel {
  padding: var(--space-6);
  background: var(--color-pure);
  border-left: 3px solid var(--color-accent);
  box-shadow: var(--shadow-soft);
  transition: transform var(--trans);
}

.solution-panel:hover {
  transform: translateY(-3px);
}

.solution-panel .problem {
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.solution-panel h3 {
  margin-bottom: var(--space-3);
}

/* ---------- Trust ---------- */
.trust-layout {
  display: grid;
  gap: var(--space-7);
  align-items: center;
}

.trust-quote {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.4vw, 2.1rem);
  line-height: 1.3;
  color: var(--color-deep);
  max-width: 28rem;
}

.trust-points {
  display: grid;
  gap: var(--space-5);
}

.trust-point {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  align-items: start;
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-line);
}

.trust-point strong {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--color-primary);
  line-height: 1;
}

.trust-point span {
  display: block;
  color: var(--color-mute);
  font-size: 0.95rem;
}

.trust-visual {
  margin-top: var(--space-7);
  overflow: hidden;
  border-radius: 0;
}

.trust-visual img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
}

/* ---------- Process ---------- */
.process-steps {
  display: grid;
  gap: var(--space-5);
}

.process-step {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.process-step:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.process-index {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  color: var(--color-air);
}

.process-step h3 {
  margin-bottom: var(--space-2);
}

.process-step p {
  color: rgba(255, 255, 255, 0.65);
}

.process-thumb {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.process-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
}

/* ---------- Projects ---------- */
.projects-feature {
  display: grid;
  gap: var(--space-5);
}

.project-main {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  display: block;
  color: #fff;
}

.project-main img,
.project-side img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  transition: transform 0.8s var(--ease);
}

.project-main:hover img,
.project-side:hover img {
  transform: scale(1.03);
}

.project-main::after,
.project-side::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 28, 44, 0.82), transparent 55%);
}

.project-meta {
  position: absolute;
  left: 1.5rem;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 1;
}

.project-meta h3 {
  color: #fff;
  margin-bottom: 0.25rem;
}

.project-meta p {
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
  font-size: var(--fs-small);
}

.project-side {
  position: relative;
  min-height: 240px;
  overflow: hidden;
  display: block;
  color: #fff;
}

.projects-side-col {
  display: grid;
  gap: var(--space-5);
}

/* ---------- Impact ---------- */
.impact-row {
  display: grid;
  gap: var(--space-6);
}

.impact-item {
  padding-right: var(--space-5);
}

.impact-item h3 {
  margin-bottom: var(--space-3);
}

.impact-texture {
  position: absolute;
  inset: 0;
  opacity: 0.08;
  pointer-events: none;
}

.impact-texture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.section-impact {
  position: relative;
  overflow: hidden;
}

.section-impact .container-narrow {
  position: relative;
  z-index: 1;
}

/* ---------- Final CTA ---------- */
.final-cta {
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-9) 0;
  position: relative;
  overflow: hidden;
}

.final-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("../images/texture-metal.jpg") center / cover;
  opacity: 0.12;
  pointer-events: none;
}

.final-cta-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-7);
}

.final-cta h2 {
  color: #fff;
}

.final-cta p {
  color: rgba(255, 255, 255, 0.72);
}

.contact-form {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
}

.form-label-brand {
  display: block;
  font-size: var(--fs-small);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0.4rem;
}

.form-control-brand {
  width: 100%;
  min-height: 48px;
  padding: 0.7rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--trans), background var(--trans);
}

.form-control-brand::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.form-control-brand:focus {
  outline: none;
  border-color: var(--color-air);
  background: rgba(255, 255, 255, 0.1);
}

textarea.form-control-brand {
  min-height: 120px;
  resize: vertical;
}

.form-control-brand option {
  color: var(--color-ink);
  background: #fff;
}

.form-light .form-label-brand {
  color: var(--color-ink);
}

.form-light .form-control-brand {
  background: var(--color-pure);
  border-color: var(--color-line);
  color: var(--color-ink);
}

.form-light .form-control-brand:focus {
  border-color: var(--color-steel);
  box-shadow: 0 0 0 3px rgba(61, 95, 120, 0.15);
}

.form-note {
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, 0.55);
  margin-top: var(--space-4);
}

.form-light .form-note {
  color: var(--color-mute);
}

.form-row-2 {
  display: grid;
  gap: var(--space-4);
}

.form-group {
  margin-bottom: var(--space-4);
}

/* ---------- About / inner pages ---------- */
.split-section {
  display: grid;
  gap: var(--space-6);
  align-items: center;
}

.split-media {
  overflow: hidden;
  min-height: 320px;
}

.split-media img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
}

.split-media.overlap {
  margin-top: -3rem;
  position: relative;
  z-index: 2;
  box-shadow: var(--shadow-lift);
}

.capacity-strip {
  display: grid;
  gap: var(--space-5);
}

.capacity-item {
  padding: var(--space-6) 0;
  border-top: 1px solid var(--color-line);
}

.capacity-item:last-child {
  border-bottom: 1px solid var(--color-line);
}

.capacity-item h3 {
  margin-bottom: var(--space-3);
}

.discipline-band {
  display: grid;
  gap: var(--space-5);
}

.discipline-item {
  padding: var(--space-5);
  background: var(--color-surface);
  border-left: 2px solid var(--color-steel);
}

.discipline-item p {
  margin: 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: 1.15rem;
  line-height: 1.4;
}

.cta-band {
  background: var(--color-deep);
  color: #fff;
  padding: var(--space-8) 0;
  text-align: center;
}

.cta-band h2 {
  color: #fff;
  margin-bottom: var(--space-5);
}

/* Services list */
.service-list {
  display: grid;
}

.service-block {
  display: grid;
  gap: var(--space-5);
  padding: var(--space-7) 0;
  border-top: 1px solid var(--color-line);
  align-items: center;
}

.service-block:last-child {
  border-bottom: 1px solid var(--color-line);
}

.service-block h2 {
  margin-bottom: var(--space-3);
}

.service-media {
  overflow: hidden;
  min-height: 240px;
}

.service-media img {
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}

.service-block:hover .service-media img {
  transform: scale(1.03);
}

/* Timeline */
.timeline {
  display: grid;
  gap: 0;
}

.timeline-item {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-7) 0;
  border-top: 1px solid var(--color-line);
}

.timeline-item:last-child {
  border-bottom: 1px solid var(--color-line);
}

.timeline-num {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  color: var(--color-air);
}

.faq-list {
  display: grid;
}

.faq-item {
  padding: var(--space-5) 0;
  border-top: 1px solid var(--color-line);
}

.faq-item:last-child {
  border-bottom: 1px solid var(--color-line);
}

.faq-item h3 {
  font-size: 1.1rem;
  margin-bottom: var(--space-3);
}

/* Projects page */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-6);
}

.filter-btn {
  min-height: 40px;
  padding: 0.45rem 1rem;
  border: 1px solid var(--color-line);
  background: transparent;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-mute);
  cursor: pointer;
  transition: var(--trans);
}

.filter-btn.is-active,
.filter-btn:hover {
  background: var(--color-deep);
  border-color: var(--color-deep);
  color: #fff;
}

.project-grid {
  display: grid;
  gap: var(--space-5);
}

.project-card-link {
  position: relative;
  display: block;
  min-height: 320px;
  overflow: hidden;
  color: #fff;
}

.project-card-link img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}

.project-card-link:hover img {
  transform: scale(1.04);
}

.project-card-link::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 28, 44, 0.85), transparent 50%);
}

/* Contact */
.contact-layout {
  display: grid;
  gap: var(--space-7);
}

.contact-info-list li {
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-line);
}

.contact-info-list strong {
  display: block;
  font-size: var(--fs-small);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-air);
  margin-bottom: 0.35rem;
}

.contact-info-list a,
.contact-info-list span {
  font-size: 1.1rem;
  color: var(--color-ink);
}

.map-embed {
  min-height: 280px;
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-mute);
  border: 1px solid var(--color-line);
}

.map-embed iframe {
  width: 100%;
  height: 280px;
  border: 0;
}

/* WhatsApp float */
.whatsapp-float {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 1050;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: var(--shadow-lift);
  transition: transform var(--trans);
}

.whatsapp-float:hover {
  color: #fff;
  transform: translateY(-3px);
}

/* Utility */
.mb-0 {
  margin-bottom: 0 !important;
}

.mt-6 {
  margin-top: var(--space-6);
}

.mt-7 {
  margin-top: var(--space-7);
}

/* AOS softening */
[data-aos] {
  pointer-events: auto;
}

/* Swiper overrides if used */
.swiper-pagination-bullet-active {
  background: var(--color-accent) !important;
}