* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --orange: #f97316;
  --orange-dark: #ea6a00;
  --black: #0a0a0a;
  --dark: #111111;
  --dark2: #1a1a1a;
  --dark3: #222222;
  --gray: #888888;
  --light: #f0f0f0;
  --white: #ffffff;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--black);
  color: var(--white);
  line-height: 1.6;
}

.accent { color: var(--orange); }

/* ── NAV ── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 2rem;
  background: rgba(10,10,10,0);
  backdrop-filter: blur(0px);
  transition: background 0.3s, backdrop-filter 0.3s, box-shadow 0.3s;
}
#navbar.scrolled {
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(249,115,22,0.15);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--orange);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
}
.nav-links a {
  color: var(--light);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--orange); }
.burger {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 0 2rem;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 70% 50%, rgba(249,115,22,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(249,115,22,0.06) 0%, transparent 60%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 600px;
  flex: 1;
}
.hero-tag {
  display: inline-block;
  background: rgba(249,115,22,0.15);
  border: 1px solid rgba(249,115,22,0.4);
  color: var(--orange);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 0.35rem 1rem;
  border-radius: 2rem;
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 900;
  line-height: 1.0;
  margin-bottom: 1.5rem;
  letter-spacing: -2px;
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--gray);
  max-width: 480px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}
.hero-btns {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}
.hero-stats {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; }
.stat-num {
  font-size: 2rem;
  font-weight: 900;
  color: var(--orange);
  line-height: 1;
}
.stat-label {
  font-size: 0.78rem;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 0.25rem;
}
.stat-cities {
  font-size: 0.85rem !important;
  font-weight: 600 !important;
  line-height: 1.6;
  color: var(--orange);
}
.hero-img {
  position: relative;
  z-index: 2;
  flex-shrink: 0;
  margin-left: 4rem;
}
.avatar-card {
  width: 520px;
  height: 380px;
  border-radius: 1rem;
  overflow: hidden;
  border: 1.5px solid rgba(249,115,22,0.4);
  box-shadow: 0 0 40px rgba(249,115,22,0.15), 0 20px 60px rgba(0,0,0,0.5);
}
.avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ── BUTTONS ── */
.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s;
}
.btn-primary {
  background: var(--orange);
  color: var(--black);
}
.btn-primary:hover {
  background: var(--orange-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(249,115,22,0.35);
}
.btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,0.25);
  color: var(--white);
}
.btn-outline:hover {
  border-color: var(--orange);
  color: var(--orange);
}
.btn-full { width: 100%; text-align: center; }

/* ── SECTIONS ── */
.section { padding: 7rem 2rem; }
.section-dark { background: var(--dark); }
.container { max-width: 1200px; margin: 0 auto; }
.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 0.75rem;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 900;
  letter-spacing: -1px;
  margin-bottom: 3.5rem;
  line-height: 1.1;
}

/* ── ABOUT ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.about-text p {
  color: var(--gray);
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
  line-height: 1.8;
}
.timeline { display: flex; flex-direction: column; gap: 0; }
.tl-item {
  display: flex;
  gap: 1.5rem;
  padding: 1.25rem 0;
  border-left: 2px solid var(--dark3);
  padding-left: 1.5rem;
  position: relative;
}
.tl-item::before {
  content: '';
  position: absolute;
  left: -6px;
  top: 1.6rem;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--dark3);
  border: 2px solid var(--dark3);
}
.tl-item.active { border-color: var(--orange); }
.tl-item.active::before { background: var(--orange); border-color: var(--orange); }
.tl-year {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--orange);
  min-width: 40px;
}
.tl-text { color: var(--gray); font-size: 0.9rem; }

/* ── CARDS ── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.card {
  background: var(--dark2);
  border: 1px solid var(--dark3);
  border-radius: 1rem;
  padding: 2rem;
  transition: transform 0.2s, border-color 0.2s;
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(249,115,22,0.3);
}
.card-accent {
  border-color: var(--orange);
  background: rgba(249,115,22,0.05);
}
.card-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.card-logo { margin-bottom: 1rem; }
.company-logo { height: 200px; width: auto; object-fit: contain; }
.card h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 0.5rem; }
.card-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--orange);
  background: rgba(249,115,22,0.1);
  padding: 0.2rem 0.7rem;
  border-radius: 2rem;
  margin-bottom: 1rem;
}
.card p { color: var(--gray); font-size: 0.9rem; margin-bottom: 1.25rem; line-height: 1.7; }
.card-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}
.card-list li {
  font-size: 0.88rem;
  color: var(--light);
  padding-left: 1rem;
  position: relative;
}
.card-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--orange);
  font-size: 0.75rem;
}
.card-footer {
  font-size: 0.8rem;
  color: var(--gray);
  border-top: 1px solid var(--dark3);
  padding-top: 1rem;
}

/* ── EVOLUTION ── */
.evolution-wrap {
  display: flex;
  align-items: center;
  gap: 0;
}
.evo-card {
  flex: 1;
  background: var(--dark2);
  border: 1px solid var(--dark3);
  border-radius: 1rem;
  padding: 2rem;
  transition: transform 0.2s, border-color 0.2s;
}
.evo-card:hover {
  transform: translateY(-4px);
  border-color: rgba(249,115,22,0.3);
}
.evo-card-accent {
  border-color: var(--orange);
  background: rgba(249,115,22,0.05);
  box-shadow: 0 0 40px rgba(249,115,22,0.1);
}
.evo-arrow {
  flex-shrink: 0;
  width: 140px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.arrow-svg {
  width: 90px;
  height: 63px;
}
.evo-arrow-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--orange);
  text-align: center;
  margin-bottom: 0.4rem;
}
.evo-arrow-sub {
  font-size: 0.7rem;
  color: var(--gray);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 0.4rem;
}
@media (max-width: 900px) {
  .evolution-wrap { flex-direction: column; gap: 0; }
  .evo-arrow { transform: rotate(90deg); margin: 0.5rem 0; }
}

/* ── PROJECTS ── */
.filter-btns {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.filter-btn {
  padding: 0.5rem 1.25rem;
  border-radius: 2rem;
  border: 1px solid var(--dark3);
  background: transparent;
  color: var(--gray);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}
.filter-btn:hover, .filter-btn.active {
  border-color: var(--orange);
  color: var(--orange);
  background: rgba(249,115,22,0.08);
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.project-card {
  background: var(--dark2);
  border: 1px solid var(--dark3);
  border-radius: 0.75rem;
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s, opacity 0.3s;
}
.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--orange);
}
.project-card.hidden {
  display: none;
}
.project-img {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--dark3);
}
.project-emoji { font-size: 3rem; }
.project-img-photo { padding: 0; }
.project-img-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.project-info { padding: 1.25rem; }
.project-cat {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--orange);
}
.project-info h4 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0.3rem 0 0.3rem;
}
.project-info p { font-size: 0.82rem; color: var(--gray); }

/* ── SERVICES ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.service-item {
  padding: 2rem;
  border: 1px solid var(--dark3);
  border-radius: 0.75rem;
  background: var(--dark2);
  transition: border-color 0.2s;
}
.service-item:hover { border-color: rgba(249,115,22,0.4); }
.service-num {
  font-size: 2rem;
  font-weight: 900;
  color: rgba(249,115,22,0.2);
  margin-bottom: 0.75rem;
  line-height: 1;
}
.service-item h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.75rem; }
.service-item p { color: var(--gray); font-size: 0.88rem; line-height: 1.7; }

/* ── CONTACT ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 5rem;
  align-items: start;
}
.contact-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 2rem;
}
.contact-icon { font-size: 1.5rem; }
.contact-label { font-size: 0.75rem; color: var(--gray); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 0.2rem; }
.contact-info a, .contact-info span { color: var(--white); text-decoration: none; font-size: 1rem; }
.contact-info a:hover { color: var(--orange); }
.social-links { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 1rem; }
.social-btn {
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--dark3);
  border-radius: 2rem;
  color: var(--gray);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s;
}
.social-btn:hover { border-color: var(--orange); color: var(--orange); }

.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.9rem 1.25rem;
  background: var(--dark2);
  border: 1px solid var(--dark3);
  border-radius: 0.5rem;
  color: var(--white);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--orange); }
.form-group textarea { resize: vertical; }
.form-note { font-size: 0.85rem; color: var(--orange); text-align: center; min-height: 1.2rem; }

/* ── FOOTER ── */
footer {
  background: var(--dark);
  border-top: 1px solid var(--dark3);
  padding: 2.5rem 2rem;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
}
.footer-inner p { color: var(--gray); font-size: 0.85rem; }
.footer-sub { font-size: 0.75rem !important; color: #555 !important; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .hero { flex-direction: column; text-align: center; padding-top: 8rem; padding-bottom: 4rem; }
  .hero-img { margin-left: 0; margin-top: 3rem; }
  .hero-btns { justify-content: center; }
  .hero-stats { justify-content: center; }
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .cards-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr 1fr; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
}
@media (max-width: 600px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px; left: 0; right: 0;
    background: rgba(10,10,10,0.97);
    padding: 1.5rem 2rem;
    gap: 1.25rem;
    border-bottom: 1px solid var(--dark3);
  }
  .burger { display: block; }
  .projects-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 1.5rem; }
}