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

:root {
  --navy:   #0A1628;
  --yellow: #F5A623;
  --white:  #FFFFFF;
  --gray:   #F4F7FA;
  --charcoal: #1A1A2E;
  --muted:  #6B7280;
  --border: #E5E7EB;
}

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

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

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── NAV ── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--navy);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
}

.logo svg { color: var(--yellow); }

.logo-text {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 1.35rem;
  color: var(--white);
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a, .nav-links button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'Lato', sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover, .nav-links button:hover { color: var(--yellow); }

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--white);
}

.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--navy);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 1rem 1.5rem 1.5rem;
}

.mobile-nav.open { display: flex; }

.mobile-nav button, .mobile-nav a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: none;
  border: none;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  cursor: pointer;
  font-family: 'Lato', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 1rem 0;
  text-align: left;
  transition: color 0.2s;
}

.mobile-nav button:hover,
.mobile-nav a:hover { color: var(--yellow); }

/* ── HERO ── */
#home {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5rem 0 8rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,22,40,0.92) 0%, rgba(10,22,40,0.45) 50%, rgba(10,22,40,0.2) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.hero-content h1 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(2.8rem, 8vw, 5.5rem);
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: -0.03em;
  line-height: 0.93;
  margin-bottom: 1.5rem;
}

.hero-content h1 span { color: var(--yellow); }

.hero-content p {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: rgba(255,255,255,0.88);
  margin-bottom: 2.5rem;
  font-weight: 300;
}

.hero-btns {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--yellow);
  color: var(--charcoal);
  padding: 1rem 2rem;
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, opacity 0.15s;
}

.btn-primary:hover { transform: scale(1.04); opacity: 0.92; }
.btn-primary:active { transform: scale(0.97); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--white);
  padding: 1rem 2rem;
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 2px solid var(--white);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.btn-outline:hover { background: var(--white); color: var(--charcoal); }

/* ── SECTIONS ── */
section { padding: 5rem 0; }

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 4rem;
}

.section-header h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--charcoal);
  margin-bottom: 1rem;
}

.divider {
  width: 5rem;
  height: 4px;
  background: var(--yellow);
  margin: 0 auto 1.5rem;
}

.section-header p { color: var(--muted); font-size: 1.05rem; }

/* ── WHY CLEAN ── */
#about { background: var(--white); }

.cards-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.card {
  cursor: pointer;
  background: var(--gray);
  padding: 2.5rem;
  border: 1px solid var(--border);
  transition: border-color 0.2s;
}

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

.card-icon {
  width: 3rem;
  height: 3rem;
  color: var(--yellow);
  margin-bottom: 1.5rem;
}

.card h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--charcoal);
  margin-bottom: 0.75rem;
}

.card p { color: var(--muted); line-height: 1.7; }

/* ── SERVICES ── */
#services { background: var(--gray); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.service-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  display: flex;
  align-items: flex-end;
  background: var(--navy);
}

.service-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
  transition: transform 0.6s;
}

.service-card:hover img { transform: scale(1.05); }

.service-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,22,40,0.92) 0%, rgba(10,22,40,0.4) 60%, transparent 100%);
}

.service-body {
  position: relative;
  z-index: 1;
  padding: 2rem;
  width: 100%;
}

.service-body h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.service-body p { color: rgba(255,255,255,0.78); margin-bottom: 1.25rem; font-size: 0.95rem; }

.btn-service {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
  padding: 0.55rem 1.25rem;
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.btn-service:hover { background: var(--white); color: var(--charcoal); }

/* ── HOW IT WORKS ── */
.how-section { background: var(--yellow); }

.how-section .section-header h2 { color: var(--charcoal); }

.how-divider { background: rgba(255,255,255,0.6); }

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  position: relative;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.step-num {
  width: 5.5rem;
  height: 5.5rem;
  background: var(--navy);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 1.6rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.step h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--charcoal);
  margin-bottom: 0.6rem;
}

.step p { color: rgba(26,26,46,0.75); font-size: 0.95rem; }

/* ── GALLERY ── */
#gallery { background: var(--white); }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.gallery-grid img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: 2px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}

/* ── CONTACT ── */
#contact { background: var(--gray); border-top: 1px solid var(--border); }

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

.contact-form-side h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--charcoal);
  margin-bottom: 1rem;
}

.contact-form-side p { color: var(--muted); margin-bottom: 2rem; font-size: 0.97rem; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }

.form-group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1.25rem; }

.form-group label {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--charcoal);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-group input, .form-group textarea {
  font-family: 'Lato', sans-serif;
  font-size: 0.97rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  background: var(--white);
  color: var(--charcoal);
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}

.form-group input:focus, .form-group textarea:focus { border-color: var(--yellow); }

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

.form-group .error-msg {
  font-size: 0.78rem;
  color: #dc2626;
  display: none;
}

.form-group.has-error input,
.form-group.has-error textarea { border-color: #dc2626; }

.form-group.has-error .error-msg { display: block; }

.btn-submit {
  width: 100%;
  background: var(--yellow);
  color: var(--charcoal);
  border: none;
  padding: 1rem;
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: opacity 0.2s;
  margin-top: 0.5rem;
}

.btn-submit:hover { opacity: 0.88; }
.btn-submit:disabled { opacity: 0.55; cursor: not-allowed; }

.contact-info {
  background: var(--navy);
  padding: 3rem 2.5rem;
  color: var(--white);
}

.contact-info h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 1.6rem;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
}

.info-item { margin-bottom: 2rem; }

.info-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--yellow);
  margin-bottom: 0.4rem;
}

.info-value { font-size: 1.2rem; color: rgba(255,255,255,0.9); }

.info-value a { color: rgba(255,255,255,0.9); transition: color 0.2s; word-break: break-all; }
.info-value a:hover { color: var(--yellow); }

.contact-info-footer {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.contact-info-footer .logo-text { font-size: 1.1rem; margin-bottom: 0.4rem; }
.contact-info-footer p { font-size: 0.88rem; color: rgba(255,255,255,0.5); }

/* ── FOOTER ── */
footer {
  background: var(--navy);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 3rem 0;
  color: rgba(255,255,255,0.6);
}

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

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.85);
}

.footer-links-list {
  list-style: none;
  display: grid;
  grid-auto-flow: row;
  gap: 0.35rem;
}

.footer-links-list a {
  color: rgba(255,255,255,0.7);
  font-size: 0.85rem;
}

.footer-links-list a:hover {
  color: var(--yellow);
  text-decoration: underline;
}

.footer-brand .logo-text { font-size: 1.1rem; margin-bottom: 0.3rem; }
.footer-brand p { font-size: 0.85rem; }

.footer-right { text-align: right; font-size: 0.85rem; }

.footer-right a { color: var(--yellow); }
.footer-right a:hover { text-decoration: underline; }

/* ── TOAST ── */
#toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  background: var(--charcoal);
  color: var(--white);
  padding: 1rem 1.5rem;
  min-width: 260px;
  max-width: 380px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.25);
  transform: translateY(120%);
  opacity: 0;
  transition: transform 0.35s ease, opacity 0.35s ease;
  pointer-events: none;
}

#toast.show { transform: translateY(0); opacity: 1; pointer-events: auto; }
#toast.error { background: #991b1b; }

#toast .toast-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}

#toast .toast-desc { font-size: 0.85rem; color: rgba(255,255,255,0.78); }


.nav-phone {
  align-items: baseline !important;
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: block; }

  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .form-row { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { align-items: center; }
  .footer-right { text-align: center; }
}

@media (max-width: 480px) {
  .hero-btns { flex-direction: column; }
  .btn-primary, .btn-outline { width: 100%; justify-content: center; }
}