/* =========================================================
   TechManha — Global Styles
   Brand: Primary #56BCE8 · Secondary #5F6160
   ========================================================= */

:root {
  --primary: #56BCE8;
  --primary-hover: #3AA9D9;
  --secondary: #5F6160;
  --text-dark: #2B2D2C;
  --text-light: #FFFFFF;
  --bg-light: #F5F7F8;
  --border: #D9DEDF;
  --bg: #FFFFFF;
  --bg-elevated: #FFFFFF;
  --muted: #6B6E6D;
  --shadow-sm: 0 2px 8px rgba(43, 45, 44, 0.06);
  --shadow-md: 0 8px 24px rgba(43, 45, 44, 0.08);
  --shadow-lg: 0 16px 48px rgba(43, 45, 44, 0.12);
  --shadow-primary: 0 8px 24px rgba(86, 188, 232, 0.3);
  --radius: 12px;
  --radius-lg: 20px;
  --header-h: 72px;
  --font-display: "Outfit", sans-serif;
  --font-body: "Source Sans 3", sans-serif;
  --transition: 0.25s ease;
  --max-w: 1160px;
}

[data-theme="dark"] {
  --bg: #1A1C1B;
  --bg-elevated: #242625;
  --bg-light: #2A2C2B;
  --text-dark: #F0F2F2;
  --secondary: #C5C7C6;
  --muted: #A0A3A2;
  --border: #3A3C3B;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.45);
}

/* ----- Reset ----- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text-dark);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--primary-hover);
}

ul,
ol {
  list-style: none;
}

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

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--secondary);
}

[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4 {
  color: var(--text-dark);
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 10000;
  padding: 12px 20px;
  background: var(--primary);
  color: var(--text-light);
  border-radius: 8px;
  font-weight: 600;
}

.skip-link:focus {
  top: 16px;
}

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

/* ----- Loader ----- */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  background: var(--bg);
  transition: opacity 0.45s ease, visibility 0.45s ease;
}

.loader.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader__logo {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--secondary);
  letter-spacing: -0.02em;
}

.loader__bar {
  margin-top: 16px;
  width: 140px;
  height: 3px;
  background: var(--border);
  border-radius: 99px;
  overflow: hidden;
}

.loader__bar span {
  display: block;
  height: 100%;
  width: 40%;
  background: var(--primary);
  border-radius: inherit;
  animation: loadBar 0.9s ease-in-out infinite;
}

@keyframes loadBar {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.2;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  white-space: nowrap;
}

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

.btn--primary {
  background: var(--primary);
  color: var(--text-light);
  border-color: var(--primary);
}

.btn--primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  color: var(--text-light);
  box-shadow: var(--shadow-primary);
}

.btn--outline {
  background: transparent;
  color: var(--secondary);
  border-color: var(--secondary);
}

.btn--outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn--outline-light {
  background: transparent;
  color: var(--text-light);
  border-color: rgba(255, 255, 255, 0.55);
}

.btn--outline-light:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(255, 255, 255, 0.06);
}

.btn--sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

.btn--lg {
  padding: 14px 28px;
  font-size: 1rem;
}

.btn--full {
  width: 100%;
}

/* ----- Header ----- */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-h);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.header.is-scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo__text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--secondary);
  letter-spacing: -0.02em;
}

.logo--footer .logo__text {
  color: var(--text-light);
}

.logo:hover .logo__text {
  color: var(--primary);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav__link {
  display: block;
  padding: 8px 12px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--secondary);
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}

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

.header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: var(--secondary);
  transition: background var(--transition), color var(--transition);
}

.theme-toggle:hover {
  background: var(--bg-light);
  color: var(--primary);
}

.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: 10px;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--secondary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ----- Sections ----- */
.section {
  padding: clamp(64px, 10vw, 112px) 0;
}

.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section__header--left {
  text-align: left;
  margin-left: 0;
}

.section__eyebrow {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 10px;
}

.section__title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  margin-bottom: 12px;
  color: var(--secondary);
}

.section__desc {
  color: var(--muted);
  font-size: 1.05rem;
}

/* ----- Hero ----- */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
  padding: clamp(48px, 8vw, 80px) 0;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 85% 20%, rgba(86, 188, 232, 0.18), transparent 60%),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(95, 97, 96, 0.06), transparent 55%),
    linear-gradient(180deg, var(--bg-light) 0%, var(--bg) 55%);
  pointer-events: none;
}

[data-theme="dark"] .hero__bg {
  background:
    radial-gradient(ellipse 70% 55% at 85% 20%, rgba(86, 188, 232, 0.12), transparent 60%),
    linear-gradient(180deg, #1F2120 0%, var(--bg) 55%);
}

.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

.hero__eyebrow {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 16px;
}

.hero__title {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  letter-spacing: -0.025em;
  margin-bottom: 18px;
  color: var(--secondary);
}

.hero__subtitle {
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  color: var(--muted);
  max-width: 520px;
  margin-bottom: 28px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.hero__stat {
  display: flex;
  flex-direction: column;
}

.hero__stat-num,
.hero__stat > span:nth-child(2) {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.75rem;
  color: var(--primary);
  line-height: 1;
}

.hero__stat > span:nth-child(2) {
  display: inline;
}

.hero__stat {
  flex-direction: row;
  flex-wrap: wrap;
  align-items: baseline;
  column-gap: 2px;
}

.hero__stat-label {
  flex-basis: 100%;
  margin-top: 6px;
  font-size: 0.875rem;
  color: var(--muted);
  font-weight: 500;
}

.hero__visual {
  position: relative;
}

.hero__illustration {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 40px rgba(43, 45, 44, 0.1));
}

.illu-float {
  animation: floatY 5s ease-in-out infinite;
}

.illu-float--2 { animation-delay: -1s; animation-duration: 6s; }
.illu-float--3 { animation-delay: -2s; animation-duration: 5.5s; }
.illu-float--4 { animation-delay: -0.5s; animation-duration: 7s; }
.illu-float--5 { animation-delay: -1.5s; animation-duration: 4.5s; }

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ----- Services ----- */
.services {
  background: var(--bg);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.service-card {
  padding: 28px 24px;
  background: var(--bg-elevated);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.service-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.service-card__icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(86, 188, 232, 0.12);
  color: var(--primary);
  margin-bottom: 18px;
}

.service-card__title {
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: var(--secondary);
}

.service-card__desc {
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 18px;
}

.service-card__link {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.service-card__link:hover {
  color: var(--primary-hover);
  gap: 10px;
}

/* ----- Why Us ----- */
.why-us {
  background: var(--bg-light);
}

.why-us__grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}

.why-us__intro .section__title {
  margin-bottom: 14px;
}

.why-us__intro .section__desc {
  margin-bottom: 24px;
}

.why-us__list {
  display: grid;
  gap: 12px;
}

.why-us__item {
  display: flex;
  gap: 14px;
  padding: 16px 18px;
  background: var(--bg-elevated);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.why-us__item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.why-us__check {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(86, 188, 232, 0.15);
  color: var(--primary);
}

.why-us__item h3 {
  font-size: 1rem;
  margin-bottom: 2px;
  color: var(--secondary);
}

.why-us__item p {
  font-size: 0.9rem;
  color: var(--muted);
}

/* ----- Industries ----- */
.industries__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.industry-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  padding: 32px 20px;
  background: var(--bg-elevated);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.industry-card:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.industry-card__icon {
  color: var(--primary);
}

.industry-card h3 {
  font-size: 1rem;
  color: var(--secondary);
}

/* ----- Process ----- */
.process {
  background: var(--bg-light);
}

.process__timeline {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  position: relative;
}

.process__timeline::before {
  content: "";
  position: absolute;
  top: 28px;
  left: 4%;
  right: 4%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--border));
  z-index: 0;
}

.process__step {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 8px;
}

.process__num {
  display: inline-grid;
  place-items: center;
  width: 56px;
  height: 56px;
  margin-bottom: 16px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 2px solid var(--primary);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.process__step h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
  color: var(--secondary);
}

.process__step p {
  font-size: 0.875rem;
  color: var(--muted);
}

/* ----- Portfolio ----- */
.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.project-card {
  background: var(--bg-elevated);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.project-card:hover {
  border-color: var(--primary);
  box-shadow: 0 12px 32px rgba(86, 188, 232, 0.18);
  transform: translateY(-4px);
}

.project-card__media {
  aspect-ratio: 16 / 10;
  background-size: cover;
  background-position: center;
  position: relative;
}

.project-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(86, 188, 232, 0.15), transparent 60%);
}

.project-card__media--1 {
  background:
    linear-gradient(135deg, #56BCE8 0%, #3AA9D9 40%, #5F6160 100%);
}

.project-card__media--2 {
  background:
    linear-gradient(160deg, #2B2D2C 0%, #56BCE8 55%, #3AA9D9 100%);
}

.project-card__media--3 {
  background:
    linear-gradient(120deg, #5F6160 0%, #56BCE8 50%, #D9DEDF 100%);
}

.project-card__media--4 {
  background:
    linear-gradient(200deg, #3AA9D9 0%, #56BCE8 35%, #2B2D2C 100%);
}

.project-card__media--5 {
  background:
    linear-gradient(45deg, #5F6160 0%, #56BCE8 70%);
}

.project-card__media--6 {
  background:
    radial-gradient(circle at 30% 40%, #56BCE8, #2B2D2C 70%);
}

.project-card__body {
  padding: 22px;
}

.project-card__tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 8px;
}

.project-card__title {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--secondary);
}

.project-card__desc {
  font-size: 0.925rem;
  color: var(--muted);
  margin-bottom: 16px;
}

/* ----- Testimonials ----- */
.testimonials {
  background: var(--bg-light);
}

.testimonials__wrap {
  position: relative;
  max-width: 780px;
  margin: 0 auto;
  padding: 0 52px;
}

.testimonials__viewport {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.testimonials__track {
  display: flex;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.testimonial {
  flex: 0 0 100%;
  padding: 40px 36px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
}

.testimonial p {
  font-size: 1.2rem;
  font-style: italic;
  color: var(--text-dark);
  margin-bottom: 24px;
  line-height: 1.7;
}

.testimonial cite {
  display: block;
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 700;
  color: var(--secondary);
}

.testimonial footer span {
  font-size: 0.9rem;
  color: var(--muted);
}

.testimonials__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1.5px solid var(--border);
  color: var(--secondary);
  transition: border-color var(--transition), color var(--transition), background var(--transition);
  z-index: 2;
}

.testimonials__nav:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.testimonials__nav--prev { left: 0; }
.testimonials__nav--next { right: 0; }

.testimonials__dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}

.testimonials__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
  transition: background var(--transition), transform var(--transition);
}

.testimonials__dot.is-active {
  background: var(--primary);
  transform: scale(1.25);
}

/* ----- Technologies ----- */
.tech__groups {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.tech__group {
  padding: 24px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.tech__label {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 14px;
}

.tech__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech__list li {
  padding: 8px 14px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--secondary);
  transition: border-color var(--transition), color var(--transition);
}

.tech__list li:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* ----- Blog ----- */
.blog {
  background: var(--bg-light);
}

.blog__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.blog-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

.blog-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.blog-card__media {
  aspect-ratio: 16 / 9;
}

.blog-card__media--1 {
  background: linear-gradient(135deg, #56BCE8, #5F6160);
}

.blog-card__media--2 {
  background: linear-gradient(160deg, #3AA9D9, #2B2D2C);
}

.blog-card__media--3 {
  background: linear-gradient(45deg, #5F6160, #56BCE8);
}

.blog-card__body {
  padding: 22px;
}

.blog-card time {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.blog-card h3 {
  font-size: 1.1rem;
  margin: 8px 0 10px;
}

.blog-card h3 a {
  color: var(--secondary);
}

.blog-card h3 a:hover {
  color: var(--primary);
}

.blog-card p {
  font-size: 0.925rem;
  color: var(--muted);
}

/* ----- FAQ ----- */
.faq__grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}

.faq__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq__item {
  background: var(--bg-elevated);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq__item[open] {
  border-color: var(--primary);
}

.faq__item summary {
  padding: 18px 20px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--secondary);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.faq__item summary::-webkit-details-marker {
  display: none;
}

.faq__item summary::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--primary);
  font-weight: 400;
  transition: transform var(--transition);
}

.faq__item[open] summary::after {
  content: "−";
}

.faq__item p {
  padding: 0 20px 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

/* ----- CTA ----- */
.cta {
  padding: clamp(64px, 10vw, 96px) 0;
  background:
    linear-gradient(135deg, #2B2D2C 0%, #5F6160 55%, #3A4A50 100%);
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 50%;
  height: 140%;
  background: radial-gradient(circle, rgba(86, 188, 232, 0.25), transparent 65%);
  pointer-events: none;
}

.cta__inner {
  position: relative;
  text-align: center;
  max-width: 700px;
}

.cta__title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  color: var(--text-light);
  margin-bottom: 14px;
}

.cta__subtitle {
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.1rem;
  margin-bottom: 28px;
}

.cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

/* ----- Contact ----- */
.contact__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}

.contact__details {
  margin: 28px 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact__details strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}

.contact__details a,
.contact__details span {
  color: var(--secondary);
  font-weight: 600;
}

.contact__details a:hover {
  color: var(--primary);
}

.contact__social {
  display: flex;
  gap: 10px;
}

.contact__social a {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--bg-light);
  color: var(--secondary);
  border: 1px solid var(--border);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.contact__social a:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--text-light);
}

.contact__form {
  padding: 32px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--secondary);
  margin-bottom: 6px;
}

.form-group label span {
  color: var(--primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(86, 188, 232, 0.2);
}

.form-group input.is-invalid,
.form-group textarea.is-invalid {
  border-color: #E05A5A;
}

.form-error {
  display: block;
  font-size: 0.8rem;
  color: #E05A5A;
  margin-top: 4px;
  min-height: 1.1em;
}

.form-success {
  margin-top: 14px;
  padding: 12px 14px;
  background: rgba(86, 188, 232, 0.12);
  border: 1px solid var(--primary);
  border-radius: 10px;
  color: var(--secondary);
  font-weight: 500;
  font-size: 0.925rem;
}

/* ----- Newsletter ----- */
.newsletter {
  padding: 48px 0;
  background: var(--bg-light);
  border-top: 1px solid var(--border);
}

.newsletter__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.newsletter__copy h2 {
  font-size: 1.35rem;
  margin-bottom: 4px;
  color: var(--secondary);
}

.newsletter__copy p {
  color: var(--muted);
  font-size: 0.95rem;
}

.newsletter__form {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: flex-start;
  position: relative;
  flex: 1;
  max-width: 440px;
  justify-content: flex-end;
}

.newsletter__form input {
  flex: 1;
  min-width: 200px;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  outline: none;
  transition: border-color var(--transition);
}

.newsletter__form input:focus {
  border-color: var(--primary);
}

.newsletter__form .form-error,
.newsletter__form .form-success {
  flex-basis: 100%;
  text-align: right;
}

/* ----- Footer ----- */
.footer {
  background: #5F6160;
  color: var(--text-light);
  padding-top: 64px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer__brand p {
  margin: 16px 0 20px;
  color: rgba(255, 255, 255, 0.75);
  max-width: 300px;
  font-size: 0.95rem;
}

.footer__social {
  display: flex;
  gap: 10px;
}

.footer__social a {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-light);
  transition: background var(--transition), color var(--transition);
}

.footer__social a:hover {
  background: var(--primary);
  color: var(--text-light);
}

.footer__nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.footer__col h3 {
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 16px;
}

.footer__col a {
  display: block;
  padding: 4px 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  transition: color var(--transition);
}

.footer__col a:hover {
  color: var(--primary);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 20px 0;
}

.footer__bottom p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.55);
  text-align: center;
}

/* ----- Back to top ----- */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 900;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--primary);
  color: var(--text-light);
  box-shadow: var(--shadow-primary);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition), background var(--transition);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--primary-hover);
}

/* ----- Animations ----- */
[data-animate] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ----- Responsive ----- */
@media (max-width: 1024px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .industries__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .process__timeline {
    grid-template-columns: repeat(3, 1fr);
    gap: 28px 16px;
  }

  .process__timeline::before {
    display: none;
  }

  .portfolio__grid,
  .blog__grid,
  .tech__groups {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero__grid,
  .why-us__grid,
  .faq__grid,
  .contact__grid {
    grid-template-columns: 1fr;
  }

  .hero__visual {
    order: -1;
    max-width: 420px;
    margin: 0 auto;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

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

  .nav-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    padding: 16px;
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
    box-shadow: var(--shadow-md);
  }

  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }

  .nav__link {
    padding: 12px 14px;
  }

  .industries__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process__timeline {
    grid-template-columns: repeat(2, 1fr);
  }

  .portfolio__grid,
  .blog__grid,
  .tech__groups {
    grid-template-columns: 1fr;
  }

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

  .testimonials__wrap {
    padding: 0 44px;
  }

  .testimonial {
    padding: 28px 20px;
  }

  .testimonial p {
    font-size: 1.05rem;
  }

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

  .newsletter__inner {
    flex-direction: column;
    align-items: stretch;
  }

  .newsletter__form {
    max-width: none;
    justify-content: stretch;
  }
}

@media (max-width: 480px) {
  .container {
    width: min(100% - 1.5rem, var(--max-w));
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .services__grid,
  .industries__grid,
  .process__timeline {
    grid-template-columns: 1fr;
  }

  .contact__form {
    padding: 22px;
  }

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

  .cta__actions {
    flex-direction: column;
  }

  .cta__actions .btn {
    width: 100%;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  [data-animate] {
    opacity: 1;
    transform: none;
  }
}