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

:root {
  --yellow: #FFDB15;
  --yellow-dark: #E6C400;
  --yellow-soft: rgba(255, 219, 21, 0.18);
  --bg: #F4F5F9;
  --bg-white: #FFFFFF;
  --bg-alt: #EEF0F5;
  --text: #1A1A1A;
  --text-muted: #555555;
  --border: rgba(0, 0, 0, 0.08);
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Montserrat', 'Inter', sans-serif;
  --max: 1140px;
  --header-h: 72px;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}

.header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.08); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
}

.logo-mark {
  background: var(--yellow);
  color: #1A1A1A;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  padding: 0.35rem 0.6rem;
  border-radius: 6px;
  letter-spacing: 0.02em;
}

.logo-text {
  font-size: 0.95rem;
  color: var(--text);
}

.nav {
  display: flex;
  gap: 1.75rem;
}

.nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
}

.nav a:hover { color: #1A1A1A; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: 0.3s;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 3rem) 0 4rem;
  overflow: hidden;
  background: var(--bg-white);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(255, 219, 21, 0.25) 0%, transparent 45%),
    linear-gradient(180deg, #FFFFFF 0%, #F4F5F9 100%);
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: #1A1A1A;
  background: var(--yellow);
  padding: 0.35rem 0.85rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  color: #1A1A1A;
}

.hero h1 span {
  background: var(--yellow);
  padding: 0 0.2em;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.hero-sub {
  max-width: 540px;
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: 8px;
  transition: all 0.2s;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--yellow);
  color: #1A1A1A;
}

.btn-primary:hover {
  background: var(--yellow-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 219, 21, 0.45);
}

.btn-outline {
  background: transparent;
  border-color: #1A1A1A;
  color: #1A1A1A;
}

.btn-outline:hover {
  background: #1A1A1A;
  color: var(--yellow);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  padding-top: 2rem;
  border-top: 3px solid var(--yellow);
}

.stat {
  text-align: center;
}

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: #1A1A1A;
  line-height: 1.2;
}

.stat span {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ===== Sections ===== */
.section {
  padding: 5rem 0;
  background: var(--bg-white);
}

.section-alt {
  background: var(--bg);
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  color: #1A1A1A;
  background: var(--yellow);
  padding: 0.3rem 0.75rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.85rem;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: #1A1A1A;
}

.section-desc {
  max-width: 560px;
  margin: 0 auto;
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ===== About ===== */
.about-grid {
  display: grid;
  gap: 3rem;
}

.about-text {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

.about-text strong { color: var(--text); }

.about-text .highlight {
  margin-top: 1.5rem;
  padding: 1.25rem 1.5rem;
  background: var(--yellow-soft);
  border-left: 4px solid var(--yellow);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--text);
  text-align: left;
}

.about-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.card {
  background: var(--bg-white);
  border: 2px solid var(--yellow);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.card-icon {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
  color: #1A1A1A;
}

.card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ===== Services ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.service-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  border-top: 4px solid var(--yellow);
  transition: all 0.2s;
}

.service-card:hover {
  box-shadow: var(--shadow);
  border-color: var(--yellow);
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: #1A1A1A;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ===== Experience ===== */
.exp-blocks {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.exp-block {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-left: 5px solid var(--yellow);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: box-shadow 0.2s;
}

.exp-block:hover {
  box-shadow: var(--shadow);
}

.exp-content h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: #1A1A1A;
}

.exp-content ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.exp-content li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.exp-content li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  background: var(--yellow);
  border-radius: 50%;
}

.exp-content strong { color: var(--text); }

/* ===== Clients ===== */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.client-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  text-align: center;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.client-item:hover {
  border-color: var(--yellow);
  box-shadow: var(--shadow);
}

.client-item span {
  display: block;
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.client-featured {
  background: var(--yellow);
  border-color: var(--yellow);
  font-weight: 800;
  font-size: 1.1rem;
  color: #1A1A1A;
}

.client-featured:hover {
  background: var(--yellow-dark);
}

/* ===== Contact ===== */
.contact-section {
  background: var(--yellow);
}

.contact-section .section-tag {
  background: #1A1A1A;
  color: var(--yellow);
}

.contact-section .section-header h2,
.contact-section .section-desc {
  color: #1A1A1A;
}

.contact-section .section-desc {
  opacity: 0.85;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  align-items: start;
}

.contact-info {
  background: #1A1A1A;
  border-radius: var(--radius-lg);
  padding: 2rem;
  color: #fff;
}

.contact-person {
  margin-bottom: 1.75rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.15);
}

.contact-person h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
  color: var(--yellow);
}

.contact-person p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
}

.contact-item {
  margin-bottom: 1.25rem;
}

.contact-item strong {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.55);
  margin-bottom: 0.35rem;
}

.contact-item a {
  display: block;
  color: var(--yellow);
  font-weight: 600;
  margin-bottom: 0.2rem;
  transition: opacity 0.2s;
}

.contact-item a:hover { opacity: 0.85; }

.locations h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 1.25rem;
  color: #1A1A1A;
}

.locations-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.location {
  background: rgba(255,255,255,0.85);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
}

.location h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #1A1A1A;
  margin-bottom: 0.35rem;
}

.location p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ===== Footer ===== */
.footer {
  background: #1A1A1A;
  padding: 2rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-brand p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.4;
}

.footer-copy {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}

/* ===== Responsive ===== */
@media (max-width: 1000px) {
  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 900px) {
  .about-cards {
    grid-template-columns: 1fr;
  }

  .exp-blocks {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s;
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-toggle { display: flex; }

  .nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .logo-text { display: none; }

  .hero { min-height: auto; padding-bottom: 3rem; }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .stat strong { font-size: 1.35rem; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; }
  .services-grid { grid-template-columns: 1fr; }
  .clients-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
}