/* =========================================================
   ESSENTION GROUP — style.css
   ========================================================= */

/* 1. RESET & BASE */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --clr-bg:        #09090f;
  --clr-surface:   #0f0f18;
  --clr-surface2:  #151520;
  --clr-border:    rgba(255,255,255,.07);
  --clr-accent:    #f97316;
  --clr-accent-dk: #ea6c0a;
  --clr-accent2:   #fb923c;
  --clr-text:      #e8eaf2;
  --clr-muted:     #7a7d96;
  --clr-white:     #ffffff;

  --font-sans:     'Inter', system-ui, sans-serif;
  --font-display:  'Space Grotesk', system-ui, sans-serif;

  --radius:        14px;
  --radius-sm:     8px;
  --transition:    .25s ease;

  --container:     1180px;
  --nav-h:         72px;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* 2. CONTAINER */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 5vw, 2.5rem);
}

/* 3. SECTION SHARED */
.section { padding-block: clamp(5rem, 10vw, 8rem); }

.section-label {
  display: inline-block;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--clr-white);
  margin-bottom: 1.25rem;
}

.section-sub {
  color: var(--clr-muted);
  max-width: 620px;
  margin-bottom: 3rem;
  font-size: .95rem;
}

/* 4. BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn--primary {
  background: var(--clr-accent);
  color: #fff;
}
.btn--primary:hover {
  background: var(--clr-accent-dk);
  transform: translateY(-1px);
  box-shadow: 0 8px 28px rgba(249,115,22,.35);
}

.btn--ghost {
  background: transparent;
  color: var(--clr-text);
  border: 1.5px solid var(--clr-border);
}
.btn--ghost:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
}

.btn--full { width: 100%; justify-content: center; }

/* 5. HEADER / NAV */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), backdrop-filter var(--transition);
}

.header.scrolled {
  background: rgba(9,9,15,.88);
  backdrop-filter: blur(14px);
  border-color: var(--clr-border);
}

.nav {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 2rem;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  flex-shrink: 0;
}

.logo-main  { color: var(--clr-white); }
.logo-dot   { color: var(--clr-accent); }
.logo-group { color: var(--clr-muted); }

.nav__links {
  display: flex;
  list-style: none;
  gap: 1.75rem;
  margin-left: auto;
}

.nav__links a {
  font-size: .875rem;
  color: var(--clr-muted);
  transition: color var(--transition);
}
.nav__links a:hover { color: var(--clr-white); }

.nav__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: auto;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: .25rem;
  background: var(--clr-surface2);
  border: 1px solid var(--clr-border);
  border-radius: 6px;
  padding: .3rem .65rem;
  cursor: pointer;
  font-size: .8rem;
  font-weight: 600;
  color: var(--clr-muted);
  transition: var(--transition);
}
.lang-toggle:hover { border-color: var(--clr-accent); }
.lang-toggle span.active { color: var(--clr-accent); }
.lang-toggle__sep { color: rgba(255,255,255,.15); }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* 6. HERO */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(249,115,22,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(249,115,22,.05) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}
.hero__glow--1 {
  width: 600px; height: 500px;
  top: -100px; right: -100px;
  background: radial-gradient(circle, rgba(249,115,22,.18), transparent 70%);
}
.hero__glow--2 {
  width: 400px; height: 400px;
  bottom: 0; left: 10%;
  background: radial-gradient(circle, rgba(249,115,22,.08), transparent 70%);
}

.hero__content {
  position: relative;
  z-index: 1;
  padding-block: clamp(4rem, 12vw, 8rem);
  max-width: 800px;
}

.hero__pills {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-bottom: 2rem;
}

.pill {
  display: inline-block;
  border: 1.5px solid rgba(249,115,22,.4);
  border-radius: 999px;
  padding: .35rem 1rem;
  font-size: .8rem;
  font-weight: 500;
  color: var(--clr-accent2);
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6.5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--clr-white);
  margin-bottom: 1.5rem;
}

.hero__title .accent {
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: clamp(.95rem, 2vw, 1.1rem);
  color: var(--clr-muted);
  max-width: 560px;
  margin-bottom: 2.5rem;
  line-height: 1.75;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

.hero__stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.hero__stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--clr-accent);
  line-height: 1;
}

.hero__stat-label {
  display: block;
  font-size: .75rem;
  color: var(--clr-muted);
  margin-top: .2rem;
}

.hero__stat-divider {
  width: 1px;
  height: 36px;
  background: var(--clr-border);
}

.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}
.hero__scroll span {
  display: block;
  width: 24px;
  height: 40px;
  border: 2px solid var(--clr-border);
  border-radius: 999px;
  position: relative;
  margin-inline: auto;
}
.hero__scroll span::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--clr-accent);
  border-radius: 2px;
  animation: scrollDot 1.8s ease-in-out infinite;
}
@keyframes scrollDot {
  0%   { opacity: 1; top: 6px; }
  100% { opacity: 0; top: 22px; }
}

/* 7. ABOUT */
.about { background: var(--clr-surface); border-top: 1px solid var(--clr-border); }

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about__text p {
  color: var(--clr-muted);
  margin-bottom: 1.25rem;
  font-size: .95rem;
}

.mission-vision {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mv-card {
  padding: 1.75rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  background: var(--clr-surface2);
  transition: var(--transition);
}
.mv-card:hover { border-color: rgba(249,115,22,.3); }
.mv-card--vision { border-left: 3px solid var(--clr-accent); }

.mv-card__label {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--clr-accent);
  margin-bottom: .6rem;
}

.mv-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--clr-white);
  margin-bottom: .6rem;
}

.mv-card p { font-size: .875rem; color: var(--clr-muted); }

/* 8. SERVICES */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.service-card {
  padding: 2rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.service-card:hover {
  border-color: rgba(249,115,22,.35);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0,0,0,.3);
}

.service-card__icon {
  font-size: 1.75rem;
  margin-bottom: 1.25rem;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--clr-white);
  margin-bottom: .75rem;
}

.service-card p {
  font-size: .875rem;
  color: var(--clr-muted);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.service-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}

.service-card__tags span {
  background: rgba(249,115,22,.1);
  border: 1px solid rgba(249,115,22,.2);
  border-radius: 4px;
  padding: .2rem .55rem;
  font-size: .72rem;
  font-weight: 600;
  color: var(--clr-accent2);
}

/* 9. PRODUCTS */
.products { background: var(--clr-surface); border-top: 1px solid var(--clr-border); }

.products__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.product-card {
  padding: 2rem;
  background: var(--clr-surface2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.product-card:hover { border-color: rgba(249,115,22,.3); }

.product-card__icon { font-size: 1.5rem; margin-bottom: 1rem; }

.product-card h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--clr-white);
  margin-bottom: .5rem;
}

.product-card p { font-size: .85rem; color: var(--clr-muted); }

/* 10. TECH STACK */
.stack { border-top: 1px solid var(--clr-border); }

.stack__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.stack-card {
  padding: 1.75rem;
  background: var(--clr-surface);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.stack-card:hover {
  border-color: rgba(249,115,22,.4);
  background: var(--clr-surface2);
}

.stack-card__icon { font-size: 1.5rem; margin-bottom: 1rem; }

.stack-card h4 {
  font-family: var(--font-display);
  color: var(--clr-white);
  margin-bottom: .5rem;
  font-size: 1rem;
}

.stack-card p { font-size: .85rem; color: var(--clr-muted); }

/* 11. INDUSTRIES */
.industries { background: var(--clr-surface); border-top: 1px solid var(--clr-border); }

.industries__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.industries__left p { color: var(--clr-muted); font-size: .95rem; }

.industries__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.industry-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: var(--clr-surface2);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius);
  font-weight: 500;
  font-size: .9rem;
  transition: var(--transition);
  cursor: default;
}
.industry-item:hover { border-color: rgba(249,115,22,.4); }

.industry-item__icon { font-size: 1.25rem; }

/* 12. CASES */
.cases { border-top: 1px solid var(--clr-border); }

.cases__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.case-card {
  padding: 2rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.case-card:hover { border-color: rgba(249,115,22,.35); transform: translateY(-2px); }

.case-card__tag {
  display: inline-block;
  background: rgba(249,115,22,.12);
  color: var(--clr-accent);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  padding: .25rem .65rem;
  border-radius: 4px;
  margin-bottom: 1rem;
}

.case-card h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--clr-white);
  margin-bottom: .6rem;
}

.case-card p { font-size: .875rem; color: var(--clr-muted); margin-bottom: 1.25rem; }

.case-card__result {
  font-size: .8rem;
  font-weight: 600;
  color: var(--clr-accent);
  border-top: 1px solid var(--clr-border);
  padding-top: 1rem;
}

/* 13. WHY */
.why { background: var(--clr-surface); border-top: 1px solid var(--clr-border); }

.why__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.why-card {
  padding: 1.75rem;
  background: var(--clr-surface2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.why-card:hover { border-color: rgba(249,115,22,.3); }

.why-card__icon { font-size: 1.5rem; margin-bottom: 1rem; }

.why-card h4 {
  font-family: var(--font-display);
  color: var(--clr-white);
  margin-bottom: .5rem;
}

.why-card p { font-size: .875rem; color: var(--clr-muted); }

/* 14. CONTACT */
.contact { border-top: 1px solid var(--clr-border); }

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact__desc { color: var(--clr-muted); margin-bottom: 2rem; }

.contact__details { display: flex; flex-direction: column; gap: 1.5rem; margin-bottom: 2rem; }

.contact__detail {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact__detail-icon { font-size: 1.25rem; margin-top: .1rem; }

.contact__detail strong {
  display: block;
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--clr-muted);
  margin-bottom: .2rem;
}

.contact__detail p { font-size: .9rem; color: var(--clr-text); line-height: 1.6; }
.contact__detail a { color: var(--clr-accent); }
.contact__detail a:hover { text-decoration: underline; }

.contact__trust {
  display: flex;
  gap: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--clr-border);
}

.trust-item {
  display: flex;
  flex-direction: column;
  gap: .2rem;
}

.trust-item__num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--clr-accent);
  line-height: 1;
}

.trust-item span:last-child { font-size: .75rem; color: var(--clr-muted); }

/* FORM */
.contact__form {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 2rem;
}

.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  font-size: .75rem;
  font-weight: 600;
  color: var(--clr-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: .5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: .75rem 1rem;
  background: var(--clr-surface2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  color: var(--clr-text);
  font-family: var(--font-sans);
  font-size: .9rem;
  transition: var(--transition);
  outline: none;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(249,115,22,.12);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(122,125,150,.5); }

.form__note {
  margin-top: 1rem;
  font-size: .78rem;
  color: var(--clr-muted);
  text-align: center;
}

/* 15. FOOTER */
.footer {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  padding-block: 2.5rem;
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: center;
  justify-content: space-between;
}

.footer__brand p {
  font-size: .8rem;
  color: var(--clr-muted);
  margin-top: .4rem;
}

.footer__links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer__links a {
  font-size: .85rem;
  color: var(--clr-muted);
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--clr-accent); }

.footer__legal { text-align: right; }
.footer__legal p { font-size: .78rem; color: var(--clr-muted); line-height: 1.7; }
.footer__legal a { color: var(--clr-accent); }

/* 16. FONT AWESOME ICON SIZING */
.service-card__icon i,
.product-card__icon i,
.stack-card__icon i,
.why-card__icon i {
  font-size: 1.6rem;
  color: var(--clr-accent);
}

.industry-item__icon i {
  font-size: 1.1rem;
  color: var(--clr-accent);
  width: 1.1rem;
  text-align: center;
}

.contact__detail-icon i {
  font-size: 1.1rem;
  color: var(--clr-accent);
  width: 1.1rem;
  text-align: center;
}

/* 17. RESPONSIVE */
@media (max-width: 900px) {
  .about__inner,
  .industries__inner,
  .contact__inner { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 768px) {
  .nav__links {
    position: fixed;
    inset: var(--nav-h) 0 0 0;
    background: rgba(9,9,15,.97);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    display: none;
  }
  .nav__links.open { display: flex; }
  .nav__links a { font-size: 1.15rem; color: var(--clr-text); }
  .nav__burger { display: flex; }

  .footer__inner { flex-direction: column; align-items: flex-start; }
  .footer__legal { text-align: left; }
  .hero__stats { gap: 1.25rem; }
}

@media (max-width: 520px) {
  .services__grid,
  .products__grid,
  .stack__grid,
  .why__grid,
  .cases__grid { grid-template-columns: 1fr; }
  .industries__list { grid-template-columns: 1fr; }
}