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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
}

::selection {
  background: #c94025;
  color: #fff;
}

/* ===== Header ===== */
#header {
  background: rgba(253, 251, 247, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

#header.scrolled {
  border-bottom-color: #e8e2d9;
  box-shadow: 0 1px 0 rgba(0,0,0,0.04);
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: #c94025;
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

/* Mobile menu */
#mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

#mobile-menu.open .mobile-link {
  animation: fadeUp 0.4s ease forwards;
  opacity: 0;
}

#mobile-menu.open .mobile-link:nth-child(1) { animation-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { animation-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { animation-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { animation-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(5) { animation-delay: 0.25s; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.menu-line {
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

#menu-toggle.active .menu-line:nth-child(1) {
  transform: rotate(45deg) translate(3px, 3px);
}
#menu-toggle.active .menu-line:nth-child(2) {
  opacity: 0;
  width: 0;
}
#menu-toggle.active .menu-line:nth-child(3) {
  transform: rotate(-45deg) translate(3px, -3px);
  width: 1.5rem;
}

/* ===== Hero ===== */
.hero-tag {
  animation: heroIn 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.hero-headline {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1.05;
  animation: heroIn 0.8s 0.15s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.hero-sub {
  animation: heroIn 0.8s 0.3s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.hero-cta {
  animation: heroIn 0.8s 0.45s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.hero-stats {
  animation: heroIn 0.8s 0.6s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.hero-img-main {
  animation: imgIn 1s 0.3s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.hero-accent-card {
  animation: cardIn 0.8s 0.8s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.hero-img-small {
  animation: imgIn 1s 0.5s cubic-bezier(0.4, 0, 0.2, 1) both;
}

@keyframes heroIn {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes imgIn {
  from { opacity: 0; transform: translateY(32px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes cardIn {
  from { opacity: 0; transform: translateX(-16px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Scroll indicator */
@keyframes scrollLine {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(200%); }
}

.scroll-line-fill {
  animation: scrollLine 1.8s ease-in-out infinite;
}

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: #c94025;
  color: #fff;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.2s ease;
}

.btn-primary:hover {
  background: #a8301a;
  transform: translateY(-1px);
}

.btn-primary .btn-arrow {
  transition: transform 0.3s ease;
}

.btn-primary:hover .btn-arrow {
  transform: translate(3px, -3px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: transparent;
  color: #1a1a1a;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid #e8e2d9;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  border-color: #c94025;
  color: #c94025;
}

/* ===== Services ===== */
.service-card {
  transition: background 0.4s ease;
}

.service-card:hover {
  background: #faf5eb;
}

.service-card:hover .service-icon svg path,
.service-card:hover .service-icon svg circle,
.service-card:hover .service-icon svg rect,
.service-card:hover .service-icon svg line {
  stroke: #a8301a;
}

/* ===== Contact Form ===== */
.form-input,
.form-select,
.form-textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid #e8e2d9;
  padding: 12px 0;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 15px;
  font-weight: 300;
  color: #1a1a1a;
  outline: none;
  transition: border-color 0.3s ease;
  width: 100%;
  border-radius: 0;
  -webkit-appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-bottom-color: #c94025;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #d4af6a;
}

.form-select {
  cursor: pointer;
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

/* ===== Scroll Animations ===== */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ===== Responsive ===== */
@media (max-width: 767px) {
  .hero-headline {
    font-size: 2.25rem;
  }

  .hero-accent-card {
    position: relative;
    bottom: auto;
    left: auto;
    margin-top: 16px;
    max-width: 100%;
  }

  .hero-img-small {
    display: none;
  }
}