/* =============================================
   A1 BUILDERS & DEVELOPERS — PREMIUM CSS
   Theme: Red | Black | White
   Font: Bricolage Grotesque
   ============================================= */

/* ===== CSS VARIABLES ===== */
:root {
  --red: #9e141a;
  --red-dark: #7d0f14;
  --red-light: #c21920;
  --red-glow: rgba(158, 20, 26, 0.25);
  --brown: #4A2B0F;
  --black: #0A0A0A;
  --dark: #111111;
  --dark-2: #1A1A1A;
  --dark-3: #222222;
  --dark-card: #161616;
  --white: #FFFFFF;
  --off-white: #F7F5F2;
  --gray-100: #F2F2F2;
  --gray-200: #E5E5E5;
  --gray-300: #C2C2C2;
  --gray-400: #9A9A9A;
  --gray-600: #555555;
  --text-light: #E8E8E8;

  --font-main: 'Bricolage Grotesque', sans-serif;

  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  --section-pad: 100px;
  --container: 1240px;
  --radius: 16px;
  --radius-sm: 8px;
  --radius-lg: 24px;

  --shadow-sm: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.12);
  --shadow-lg: 0 24px 64px rgba(0,0,0,0.18);
  --shadow-red: 0 8px 32px rgba(158, 20, 26, 0.35);
}

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

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

body {
  font-family: var(--font-main);
  background: var(--white);
  color: var(--dark);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color 0.3s var(--ease); }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }
input, select, textarea { font-family: inherit; }

/* ===== SPLASH SCREEN ===== */
#splash-screen {
  position: fixed;
  inset: 0;
  background: var(--white);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.8s cubic-bezier(0.77, 0, 0.175, 1), opacity 0.6s var(--ease);
}

#splash-screen.hidden {
  transform: translateY(-100%);
  pointer-events: none;
}

.splash-particles {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--gray-200) 1px, transparent 1px);
  background-size: 30px 30px;
  opacity: 0.5;
  animation: bgScroll 20s linear infinite;
}

@keyframes bgScroll {
  to { background-position: 60px 60px; }
}

.splash-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  position: relative;
  z-index: 2;
  transform: scale(0.95);
  opacity: 0;
  animation: splashIn 0.8s var(--ease) forwards 0.2s;
}

@keyframes splashIn {
  to { transform: scale(1); opacity: 1; }
}

.splash-logo-wrap {
  position: relative;
  margin-bottom: 10px;
}

.splash-logo {
  height: 90px;
  object-fit: contain;
  filter: drop-shadow(0 10px 20px rgba(0,0,0,0.1));
}

.splash-tagline {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--brown);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.splash-bar {
  width: 240px;
  height: 4px;
  background: var(--gray-200);
  border-radius: 99px;
  overflow: hidden;
  margin-top: 10px;
}

.splash-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--red), var(--brown));
  border-radius: 99px;
  transition: width 0.1s linear;
}

.splash-percent {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--gray-400);
  margin-top: -10px;
}

/* ===== UTILITIES ===== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: var(--section-pad) 0; }

.section-dark {
  background: var(--dark);
  color: var(--text-light);
}

.text-red { color: var(--red); }

.section-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 14px;
  display: inline-block;
}

.section-label.light { color: var(--red-light); }

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--dark);
  margin-bottom: 16px;
}

.section-title.light { color: var(--white); }

.section-subtitle {
  font-size: 1.05rem;
  color: var(--gray-400);
  max-width: 580px;
  line-height: 1.7;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header .section-subtitle {
  margin: 0 auto;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all 0.3s var(--ease);
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  opacity: 0;
  transition: opacity 0.3s;
}

.btn:hover::after { opacity: 1; }

.btn-primary {
  background: var(--red);
  color: white;
  box-shadow: var(--shadow-red);
}

.btn-primary:hover {
  background: var(--red-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(208,2,27,0.45);
}

.btn-outline {
  background: transparent;
  color: white;
  border: 1.5px solid rgba(255,255,255,0.5);
  backdrop-filter: blur(6px);
}

.btn-outline:hover {
  border-color: white;
  background: rgba(255,255,255,0.12);
}

.btn-white {
  background: white;
  color: var(--red);
  font-weight: 700;
}

.btn-white:hover {
  background: var(--off-white);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.2);
}

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

/* ===== ANIMATIONS ===== */
.animate-fade-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s var(--ease) forwards;
}

.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }
.delay-4 { animation-delay: 0.6s; }

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

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

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

.reveal.delay-1 { transition-delay: 0.15s; }
.reveal.delay-2 { transition-delay: 0.3s; }
.reveal.delay-3 { transition-delay: 0.45s; }
.reveal.delay-4 { transition-delay: 0.6s; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: all 0.4s var(--ease);
}

.navbar.scrolled {
  background: rgba(10, 10, 10, 0.96);
  backdrop-filter: blur(20px);
  padding: 12px 0;
  box-shadow: 0 2px 30px rgba(0,0,0,0.3);
}

.nav-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-box {
  width: 52px;
  height: 52px;
  background: var(--red);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px var(--red-glow);
  transition: transform 0.3s var(--ease-spring);
}

.logo-box:hover { transform: scale(1.08) rotate(-2deg); }

.logo-box.small {
  width: 44px;
  height: 44px;
  border-radius: 8px;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  color: white;
  letter-spacing: -1px;
  line-height: 1;
}

.logo-box.small .logo-text { font-size: 1.25rem; }

.logo-name {
  display: flex;
  flex-direction: column;
}

.company-name {
  font-size: 1rem;
  font-weight: 700;
  color: white;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.company-name.white { color: white; }

.company-tagline {
  font-size: 0.68rem;
  color: var(--gray-400);
  font-weight: 400;
  letter-spacing: 0.03em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: all 0.25s var(--ease);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--red);
  border-radius: 99px;
  transform: scaleX(0);
  transition: transform 0.3s var(--ease);
}

.nav-link:hover,
.nav-link.active {
  color: white;
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.nav-cta {
  background: var(--red);
  color: white;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  transition: all 0.3s var(--ease);
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-cta:hover {
  background: var(--red-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-red);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  margin-left: auto;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: white;
  border-radius: 99px;
  transition: all 0.3s var(--ease);
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}

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

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10,10,10,0.88) 0%,
    rgba(10,10,10,0.72) 40%,
    rgba(208,2,27,0.12) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 100px;
  max-width: 780px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 8px 18px;
  border-radius: 99px;
  backdrop-filter: blur(8px);
  margin-bottom: 28px;
}

.badge-dot {
  width: 7px;
  height: 7px;
  background: var(--red);
  border-radius: 50%;
  display: inline-block;
  animation: blink 2s ease infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-title {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.08;
  color: white;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 64px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(16px);
  border-radius: var(--radius);
  padding: 24px 32px;
  width: fit-content;
  flex-wrap: wrap;
  gap: 0;
}

.stat-item {
  text-align: center;
  padding: 0 28px;
}

.stat-item:first-child { padding-left: 0; }
.stat-item:last-child { padding-right: 0; }

.stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: white;
  line-height: 1;
  letter-spacing: -0.03em;
}

.stat-suffix {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--red);
}

.stat-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.55);
  display: block;
  margin-top: 5px;
  font-weight: 500;
  letter-spacing: 0.03em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.12);
  flex-shrink: 0;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.45);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  z-index: 2;
}

.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--red), transparent);
  animation: scrollDown 2s ease infinite;
}

@keyframes scrollDown {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===== TICKER ===== */
.ticker-wrap {
  background: var(--red);
  padding: 14px 0;
  overflow: hidden;
  position: relative;
}

.ticker-track {
  display: flex;
  white-space: nowrap;
  animation: ticker 30s linear infinite;
  width: max-content;
}

.ticker-track span {
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0 6px;
}

@keyframes ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ===== ABOUT ===== */
.about { background: var(--off-white); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-visuals {
  position: relative;
}

.about-img-main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
}

.about-img-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.about-img-main:hover img { transform: scale(1.04); }

.about-img-secondary {
  position: absolute;
  bottom: -40px;
  right: -30px;
  width: 55%;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid white;
  aspect-ratio: 4/3;
}

.about-img-secondary img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.about-img-secondary:hover img { transform: scale(1.06); }

.about-experience-badge {
  position: absolute;
  top: -20px;
  left: -20px;
  background: var(--red);
  color: white;
  padding: 20px 24px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-red);
  z-index: 2;
}

.exp-num {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
}

.exp-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  opacity: 0.85;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-top: 4px;
}

.about-content { padding-bottom: 40px; }

.about-desc {
  font-size: 1rem;
  color: var(--gray-600);
  line-height: 1.75;
  margin-bottom: 20px;
}

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 30px 0 36px;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--dark);
}

.highlight-icon {
  width: 28px;
  height: 28px;
  background: var(--red);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.highlight-icon svg {
  width: 14px;
  height: 14px;
  stroke: white;
  stroke-width: 2.5;
}

/* ===== SERVICES ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.service-card {
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  transition: all 0.4s var(--ease);
  cursor: pointer;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--red);
  transform: scaleX(0);
  transition: transform 0.4s var(--ease);
  transform-origin: left;
}

.service-card:hover {
  border-color: rgba(208, 2, 27, 0.3);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 56px;
  height: 56px;
  background: rgba(208,2,27,0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  transition: background 0.3s;
}

.service-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--red);
  transition: stroke 0.3s;
}

.service-card:hover .service-icon {
  background: var(--red);
}

.service-card:hover .service-icon svg {
  stroke: white;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: white;
  margin-bottom: 12px;
  line-height: 1.3;
}

.service-card p {
  font-size: 0.88rem;
  color: var(--gray-400);
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.service-list li {
  font-size: 0.82rem;
  color: var(--gray-300);
  padding-left: 16px;
  position: relative;
}

.service-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: var(--red);
  border-radius: 50%;
}

.service-arrow {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s var(--ease);
  margin-top: auto;
}

.service-arrow svg {
  width: 16px;
  height: 16px;
  stroke: var(--gray-400);
  transition: stroke 0.3s;
}

.service-card:hover .service-arrow {
  background: var(--red);
  border-color: var(--red);
}

.service-card:hover .service-arrow svg { stroke: white; }

/* Specialized Strip */
.specialized-strip {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 28px 36px;
}

.strip-title {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red-light);
  margin-bottom: 18px;
}

.strip-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.strip-tag {
  font-size: 0.82rem;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 7px 16px;
  border-radius: 99px;
  transition: all 0.25s var(--ease);
  cursor: default;
}

.strip-tag:hover {
  background: var(--red);
  border-color: var(--red);
  color: white;
}

/* ===== PROJECTS ===== */
.project-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.tab-btn {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gray-600);
  padding: 10px 22px;
  border-radius: 99px;
  border: 1.5px solid var(--gray-200);
  background: white;
  transition: all 0.25s var(--ease);
}

.tab-btn:hover {
  border-color: var(--red);
  color: var(--red);
}

.tab-btn.active {
  background: var(--red);
  border-color: var(--red);
  color: white;
  box-shadow: var(--shadow-red);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.project-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: white;
  box-shadow: var(--shadow-md);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.project-card.hidden { display: none; }

.project-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}

.project-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.project-card:hover .project-img img { transform: scale(1.06); }

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,10,10,0.9) 0%, rgba(10,10,10,0.3) 50%, transparent 100%);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  display: flex;
  align-items: flex-end;
  padding: 28px;
}

.project-card:hover .project-overlay { opacity: 1; }

.project-overlay-content { color: white; }

.project-type {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--red-light);
  display: block;
  margin-bottom: 8px;
}

.project-overlay-content h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.project-overlay-content p {
  font-size: 0.85rem;
  opacity: 0.75;
  margin-bottom: 16px;
}

.project-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--red-light);
  display: inline-block;
  transition: gap 0.3s;
}

.project-link:hover { letter-spacing: 0.05em; }

.project-info {
  padding: 22px 24px;
}

.project-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.project-tag {
  font-size: 0.72rem;
  font-weight: 600;
  background: rgba(208,2,27,0.08);
  color: var(--red);
  padding: 4px 12px;
  border-radius: 99px;
  letter-spacing: 0.05em;
}

.project-year {
  font-size: 0.78rem;
  color: var(--gray-400);
  font-weight: 500;
}

.project-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.project-location {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.82rem;
  color: var(--gray-600);
}

.project-location svg { stroke: var(--red); flex-shrink: 0; }

/* ===== WHY US ===== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.why-card {
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 36px 28px;
  position: relative;
  transition: all 0.4s var(--ease);
}

.why-card:hover {
  border-color: rgba(208,2,27,0.4);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.why-num {
  font-size: 3.5rem;
  font-weight: 800;
  color: rgba(208,2,27,0.08);
  position: absolute;
  top: 20px;
  right: 24px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.04em;
  transition: color 0.3s;
}

.why-card:hover .why-num { color: rgba(208,2,27,0.15); }

.why-icon {
  width: 56px;
  height: 56px;
  background: rgba(208,2,27,0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: background 0.3s;
}

.why-icon svg {
  width: 26px;
  height: 26px;
  stroke: var(--red);
  transition: all 0.3s;
}

.why-card:hover .why-icon { background: var(--red); }
.why-card:hover .why-icon svg { stroke: white; }

.why-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: white;
  margin-bottom: 12px;
}

.why-card p {
  font-size: 0.88rem;
  color: var(--gray-400);
  line-height: 1.75;
}

/* ===== TESTIMONIALS ===== */
.testimonials { background: var(--off-white); }

.testimonials-slider { position: relative; overflow: hidden; }

.testimonials-track {
  display: flex;
  transition: transform 0.5s var(--ease);
}

.testimonial-card {
  min-width: 100%;
  background: white;
  border-radius: var(--radius-lg);
  padding: 48px 52px;
  box-shadow: var(--shadow-md);
  position: relative;
  border: 1px solid var(--gray-200);
}

.quote-icon {
  font-size: 5rem;
  line-height: 1;
  color: var(--red);
  opacity: 0.15;
  font-family: Georgia, serif;
  position: absolute;
  top: 20px;
  left: 36px;
}

.testimonial-text {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--gray-600);
  margin-bottom: 32px;
  font-style: italic;
  padding-top: 16px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 16px;
}

.author-avatar {
  width: 52px;
  height: 52px;
  background: var(--red);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.author-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.author-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
}

.author-role {
  font-size: 0.82rem;
  color: var(--gray-400);
  margin-top: 2px;
}

.stars {
  color: #F5A623;
  font-size: 1.1rem;
  letter-spacing: 2px;
  margin-left: auto;
}

.slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 32px;
}

.slider-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1.5px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s var(--ease);
  background: white;
}

.slider-btn svg {
  width: 18px;
  height: 18px;
  stroke: var(--dark);
}

.slider-btn:hover {
  background: var(--red);
  border-color: var(--red);
}

.slider-btn:hover svg { stroke: white; }

.slider-dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 99px;
  background: var(--gray-300);
  cursor: pointer;
  transition: all 0.3s var(--ease);
}

.dot.active {
  background: var(--red);
  width: 24px;
}

/* ===== CTA BANNER ===== */
.cta-banner {
  position: relative;
  background: var(--red);
  padding: 80px 0;
  overflow: hidden;
}

.cta-banner::before,
.cta-banner::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
}

.cta-banner::before { width: 500px; height: 500px; top: -200px; right: -100px; }
.cta-banner::after { width: 300px; height: 300px; bottom: -150px; left: -50px; }

.cta-banner-content {
  text-align: center;
  position: relative;
  z-index: 2;
}

.cta-banner-content h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: white;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.cta-banner-content p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 32px;
}

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  margin-bottom: 60px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: rgba(208,2,27,0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--red);
}

.contact-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--red-light);
}

.contact-text a,
.contact-text span {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.6;
  transition: color 0.25s;
}

.contact-text a:hover { color: var(--red-light); }
.contact-text em { font-size: 0.82rem; opacity: 0.6; }

.social-links {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.social-link {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  transition: all 0.25s var(--ease);
}

.social-link:hover {
  background: var(--red);
  border-color: var(--red);
  color: white;
  transform: translateY(-3px);
}

.social-link.whatsapp:hover { background: #25D366; border-color: #25D366; }

/* Contact Form */
.contact-form-wrap {
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.03em;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.05);
  border: 1.5px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  font-size: 0.92rem;
  color: white;
  transition: border-color 0.25s, box-shadow 0.25s;
  outline: none;
  width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255,255,255,0.3);
}

.form-group select option { background: var(--dark-3); }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px var(--red-glow);
}

.form-group textarea { resize: vertical; }

.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: #4ade80;
  padding: 14px 20px;
  background: rgba(74, 222, 128, 0.08);
  border: 1px solid rgba(74, 222, 128, 0.2);
  border-radius: var(--radius-sm);
  margin-top: 16px;
}

.form-success.show { display: flex; }
.form-success svg { stroke: #4ade80; flex-shrink: 0; }

/* Map Area */
.map-area {
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.map-placeholder {
  padding: 36px;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--dark-2), var(--dark-3));
  min-height: 160px;
}

.map-info {
  display: flex;
  align-items: center;
  gap: 20px;
  width: 100%;
}

.map-pin-icon svg { stroke: var(--red); }

.map-info > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.map-info strong {
  font-size: 1rem;
  font-weight: 700;
  color: white;
}

.map-info span {
  font-size: 0.88rem;
  color: var(--gray-400);
}

.map-link {
  font-size: 0.85rem;
  color: var(--red-light);
  font-weight: 600;
  margin-top: 8px;
  display: inline-block;
  transition: letter-spacing 0.3s;
}

.map-link:hover { letter-spacing: 0.05em; }

/* ===== FOOTER ===== */
.footer {
  background: var(--black);
  padding: 72px 0 0;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand { max-width: 320px; }

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.footer-desc {
  font-size: 0.88rem;
  color: var(--gray-400);
  line-height: 1.75;
  margin-bottom: 20px;
}

.footer-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.footer-badge {
  font-size: 0.7rem;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 4px 10px;
  border-radius: 99px;
  letter-spacing: 0.05em;
}

.footer-links-col h4,
.footer-contact-col h4 {
  font-size: 0.88rem;
  font-weight: 700;
  color: white;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer-links-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links-col a {
  font-size: 0.88rem;
  color: var(--gray-400);
  transition: color 0.25s;
}

.footer-links-col a:hover { color: var(--red-light); }

.footer-contact-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.footer-contact-item svg { flex-shrink: 0; stroke: var(--red); margin-top: 2px; }

.footer-contact-item a,
.footer-contact-item span {
  display: block;
  font-size: 0.85rem;
  color: var(--gray-400);
  line-height: 1.8;
  transition: color 0.25s;
}

.footer-contact-item a:hover { color: white; }

.footer-contact-item > div {
  display: flex;
  flex-direction: column;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--gray-600);
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  font-size: 0.82rem;
  color: var(--gray-600);
  transition: color 0.25s;
}

.footer-bottom-links a:hover { color: var(--red-light); }

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
  position: fixed;
  bottom: 88px;
  right: 28px;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.5);
  z-index: 900;
  transition: all 0.3s var(--ease-spring);
}

.whatsapp-float:hover {
  transform: scale(1.12);
  box-shadow: 0 8px 30px rgba(37,211,102,0.6);
}

.whatsapp-tooltip {
  position: absolute;
  right: 64px;
  background: var(--dark);
  color: white;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  box-shadow: var(--shadow-md);
}

.whatsapp-tooltip::after {
  content: '';
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: var(--dark);
}

.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; }

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 28px;
  width: 48px;
  height: 48px;
  background: var(--red);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-red);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.3s var(--ease);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover { 
  background: var(--red-dark);
  transform: translateY(-3px);
}

.back-to-top svg { stroke: white; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .footer-brand { max-width: 100%; }
}

@media (max-width: 900px) {
  :root { --section-pad: 72px; }

  .nav-links { display: none; }
  .nav-cta { display: none; }
  .hamburger { display: flex; }

  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10,10,10,0.98);
    backdrop-filter: blur(20px);
    z-index: 999;
    align-items: center;
    justify-content: center;
    gap: 12px;
  }

  .nav-links.mobile-open .nav-link {
    font-size: 1.4rem;
    font-weight: 700;
    padding: 14px 24px;
  }

  .hamburger { z-index: 1000; }

  .hero-content { padding-top: 80px; }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .about-img-secondary { display: none; }
  .about-experience-badge { top: auto; left: 20px; bottom: -20px; }

  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .projects-grid { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  :root { --section-pad: 56px; }

  .hero-title { font-size: 2.4rem; }
  .hero-stats {
    padding: 18px 20px;
    gap: 0;
  }
  .stat-item { padding: 0 14px; }
  .stat-num { font-size: 1.5rem; }
  .stat-suffix { font-size: 1.1rem; }

  .services-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }

  .testimonial-card { padding: 32px 24px; }

  .hero-stats { flex-wrap: wrap; }
  .stat-divider { display: none; }
  .stat-item {
    padding: 10px 20px;
    flex: 1;
    min-width: 120px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .btn { justify-content: center; }
  .hero-badge { font-size: 0.68rem; }
  .project-tabs { gap: 6px; }
  .tab-btn { padding: 8px 14px; font-size: 0.8rem; }
  .contact-form-wrap { padding: 24px 20px; }
  .specialized-strip { padding: 22px 18px; }
}