/* ===================================================
   SOLARA TECH — Main Stylesheet
   Colors: Green #2E7D32 | Gold #FFC107 | Blue #1565C0
   =================================================== */

:root {
  --green-dark:    #1B5E20;
  --green:         #2E7D32;
  --green-mid:     #388E3C;
  --green-light:   #4CAF50;
  --green-pale:    #E8F5E9;
  --gold:          #FFC107;
  --gold-dark:     #F57F17;
  --gold-light:    #FFF8E1;
  --blue:          #1565C0;
  --blue-light:    #E3F2FD;
  --purple:        #6A1B9A;
  --purple-light:  #F3E5F5;
  --white:         #FFFFFF;
  --off-white:     #F9FAFB;
  --gray-light:    #F3F4F6;
  --gray:          #9CA3AF;
  --gray-dark:     #4B5563;
  --text:          #1F2937;
  --shadow-sm:     0 2px 8px rgba(0,0,0,.06);
  --shadow-md:     0 4px 20px rgba(0,0,0,.10);
  --shadow-lg:     0 8px 40px rgba(0,0,0,.15);
  --shadow-green:  0 8px 30px rgba(46,125,50,.25);
  --radius:        12px;
  --radius-lg:     20px;
  --transition:    .3s cubic-bezier(.4,0,.2,1);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Poppins', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }

.container {
  width: min(1200px, 90%);
  margin-inline: auto;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
  padding: 10px 0;
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1200px, 90%);
  margin-inline: auto;
}
.nav-logo { display: flex; align-items: center; }
.logo-img {
  height: 50px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,.15));
  transition: var(--transition);
}
.navbar.scrolled .logo-img { height: 42px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--white);
  transition: var(--transition);
}
.navbar.scrolled .nav-link { color: var(--gray-dark); }
.nav-link:hover, .nav-link.active {
  color: var(--gold);
  background: rgba(255,255,255,.12);
}
.navbar.scrolled .nav-link:hover,
.navbar.scrolled .nav-link.active {
  color: var(--green);
  background: var(--green-pale);
}
.nav-cta-btn {
  padding: 10px 22px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--white) !important;
  border-radius: 50px;
  font-size: .88rem;
  font-weight: 600;
  display: flex; align-items: center; gap: 6px;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(255,193,7,.35);
}
.nav-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255,193,7,.5);
  background: rgba(255,255,255,.1) !important;
}
.navbar.scrolled .nav-cta-btn {
  background: linear-gradient(135deg, var(--green), var(--green-dark)) !important;
  box-shadow: var(--shadow-green);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.navbar.scrolled .hamburger span { background: var(--green); }
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: 80px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0d3b0f 0%, #1B5E20 35%, #2E7D32 65%, #1a4a1c 100%);
}
.hero-gradient {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 30%, rgba(255,193,7,.18) 0%, transparent 60%),
              radial-gradient(ellipse at 20% 80%, rgba(21,101,192,.15) 0%, transparent 50%);
}
.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,.15);
  animation: floatParticle linear infinite;
}
@keyframes floatParticle {
  0%   { transform: translateY(0) rotate(0); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { transform: translateY(-100vh) rotate(360deg); opacity: 0; }
}
.solar-rays {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.ray {
  position: absolute;
  top: -20%;
  right: 10%;
  width: 2px;
  height: 120%;
  background: linear-gradient(to bottom, rgba(255,193,7,.0) 0%, rgba(255,193,7,.12) 40%, rgba(255,193,7,.0) 100%);
  transform-origin: top center;
  animation: rayPulse 4s ease-in-out infinite;
}
.ray.r1  { transform: rotate(-40deg); animation-delay: 0s; }
.ray.r2  { transform: rotate(-30deg); animation-delay: .5s; }
.ray.r3  { transform: rotate(-20deg); animation-delay: 1s; }
.ray.r4  { transform: rotate(-10deg); animation-delay: 1.5s; }
.ray.r5  { transform: rotate(0deg);  animation-delay: 2s; }
.ray.r6  { transform: rotate(10deg);  animation-delay: 2.5s; }
.ray.r7  { transform: rotate(20deg);  animation-delay: 3s; }
.ray.r8  { transform: rotate(30deg);  animation-delay: 3.5s; }
@keyframes rayPulse {
  0%, 100% { opacity: .5; }
  50% { opacity: 1; }
}
.hero-sun {
  position: absolute;
  top: 8%;
  right: 12%;
  width: 180px; height: 180px;
}
.sun-core {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 60px; height: 60px;
  border-radius: 50%;
  background: radial-gradient(circle, #FFF8DC, var(--gold));
  box-shadow: 0 0 30px rgba(255,193,7,.6), 0 0 60px rgba(255,193,7,.3);
  animation: sunPulse 3s ease-in-out infinite;
}
.sun-ring {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 2px solid rgba(255,193,7,.2);
  animation: sunRing 3s ease-in-out infinite;
}
.sun-ring.r1 { width: 100px; height: 100px; animation-delay: 1s; }
.sun-ring.r2 { width: 150px; height: 150px; animation-delay: 2s; }
@keyframes sunPulse {
  0%, 100% { box-shadow: 0 0 30px rgba(255,193,7,.6), 0 0 60px rgba(255,193,7,.3); }
  50% { box-shadow: 0 0 50px rgba(255,193,7,.9), 0 0 100px rgba(255,193,7,.5); }
}
@keyframes sunRing {
  0%, 100% { opacity: .2; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: .5; transform: translate(-50%, -50%) scale(1.05); }
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding: 0 24px;
  text-align: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  backdrop-filter: blur(8px);
  color: var(--white);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .5px;
  margin-bottom: 24px;
}
.pulse-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gold);
  animation: pulseDot 2s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.5); opacity: .7; }
}
.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 20px;
}
.typed-wrapper { display: block; color: var(--gold); }
.typed-cursor {
  display: inline-block;
  animation: blink 1s step-end infinite;
  color: var(--gold);
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
.hero-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,.85);
  margin-bottom: 36px;
  line-height: 1.75;
}
.hero-btns {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 15px 32px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--white);
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 6px 25px rgba(255,193,7,.4);
  transition: var(--transition);
}
.btn-hero-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 35px rgba(255,193,7,.6);
}
.btn-hero-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 15px 32px;
  border: 2px solid rgba(255,255,255,.5);
  color: var(--white);
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  backdrop-filter: blur(8px);
  transition: var(--transition);
}
.btn-hero-outline:hover {
  background: rgba(255,255,255,.15);
  border-color: var(--white);
  transform: translateY(-3px);
}
.hero-trust {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.trust-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,.85);
  font-size: .82rem;
  font-weight: 500;
}
.trust-badge i { color: var(--gold); }
.hero-scroll-btn {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,.6);
  font-size: .78rem;
  z-index: 2;
  transition: var(--transition);
}
.hero-scroll-btn:hover { color: var(--gold); }
.scroll-mouse {
  width: 22px; height: 36px;
  border: 2px solid rgba(255,255,255,.4);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}
.scroll-wheel {
  width: 3px; height: 8px;
  background: var(--gold);
  border-radius: 2px;
  animation: scrollWheel 1.8s ease-in-out infinite;
}
@keyframes scrollWheel {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(10px); opacity: 0; }
}

/* ===== STATS ===== */
.stats-section {
  background: var(--white);
  padding: 0;
  position: relative;
  z-index: 5;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--white);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: -40px;
  border: 1px solid rgba(46,125,50,.1);
}
.stat-item {
  padding: 36px 24px;
  text-align: center;
  border-right: 1px solid var(--gray-light);
  transition: var(--transition);
}
.stat-item:last-child { border-right: none; }
.stat-item:hover { background: var(--green-pale); }
.stat-icon-wrap {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--green-pale), rgba(76,175,80,.15));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  color: var(--green);
  font-size: 1.3rem;
  transition: var(--transition);
}
.stat-item:hover .stat-icon-wrap {
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  color: var(--white);
  transform: scale(1.1);
}
.stat-value {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--green-dark);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label {
  font-size: .82rem;
  color: var(--gray);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .5px;
}

/* ===== SECTION SHARED ===== */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-tag {
  display: inline-block;
  padding: 6px 18px;
  background: var(--green-pale);
  color: var(--green);
  border-radius: 50px;
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 14px;
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--text);
  line-height: 1.25;
  margin-bottom: 16px;
}
.section-title em {
  font-style: normal;
  color: var(--green);
}
.section-desc {
  font-size: 1rem;
  color: var(--gray-dark);
  max-width: 600px;
  margin-inline: auto;
  line-height: 1.75;
}

/* ===== SERVICES ===== */
.services-section {
  padding: 100px 0;
  background: var(--off-white);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  border: 1px solid transparent;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--green-light);
}
.featured-card {
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green) 100%);
  color: var(--white);
  border: none;
}
.featured-card h3, .featured-card p, .featured-card .service-list li { color: rgba(255,255,255,.9); }
.featured-card .service-list li i { color: var(--gold) !important; }
.featured-card .service-cta { color: var(--gold); }
.featured-card .service-cta:hover { background: rgba(255,255,255,.12); }
.featured-card .service-number { color: rgba(255,255,255,.15) !important; }
.service-bg-icon {
  position: absolute;
  right: -15px; bottom: -15px;
  font-size: 8rem;
  color: rgba(0,0,0,.04);
  pointer-events: none;
}
.featured-card .service-bg-icon { color: rgba(255,255,255,.06); }
.featured-ribbon {
  position: absolute;
  top: 20px; right: -28px;
  background: var(--gold);
  color: var(--white);
  font-size: .72rem;
  font-weight: 700;
  padding: 5px 40px;
  transform: rotate(35deg);
  text-transform: uppercase;
  letter-spacing: .5px;
  box-shadow: 0 2px 8px rgba(255,193,7,.4);
}
.service-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}
.service-icon-box {
  width: 60px; height: 60px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}
.service-icon-box.green  { background: var(--green-pale); color: var(--green); }
.service-icon-box.gold   { background: rgba(255,193,7,.15); color: var(--gold-dark); }
.service-icon-box.blue   { background: var(--blue-light); color: var(--blue); }
.service-icon-box.purple { background: var(--purple-light); color: var(--purple); }
.service-number {
  font-size: 3rem;
  font-weight: 900;
  color: rgba(0,0,0,.06);
  line-height: 1;
}
.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}
.service-card p {
  font-size: .9rem;
  color: var(--gray-dark);
  line-height: 1.7;
  margin-bottom: 20px;
}
.service-list {
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.service-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .88rem;
  color: var(--gray-dark);
}
.service-list li i { color: var(--green-light); font-size: .85rem; flex-shrink: 0; }
.service-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--green);
  font-weight: 600;
  font-size: .88rem;
  padding: 8px 16px;
  border-radius: 8px;
  transition: var(--transition);
}
.service-cta:hover { background: var(--green-pale); gap: 12px; }
.service-cta i { transition: var(--transition); }

/* ===== ABOUT ===== */
.about-section {
  padding: 100px 0;
  background: var(--white);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-visual { position: relative; }
.about-img-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-circle-bg {
  position: absolute;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--green-pale) 0%, rgba(232,245,233,.3) 60%, transparent 100%);
  z-index: 0;
}
.about-logo-big {
  position: relative;
  z-index: 1;
  max-width: 380px;
  filter: drop-shadow(0 20px 40px rgba(46,125,50,.2));
  animation: logoFloat 4s ease-in-out infinite;
}
@keyframes logoFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.about-float-1,
.about-float-2 {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 14px 20px;
  box-shadow: var(--shadow-md);
  z-index: 2;
  border: 1px solid var(--gray-light);
}
.about-float-1 { bottom: 20px; left: -20px; }
.about-float-2 { top: 30px; right: -20px; }
.about-float-1 i { font-size: 1.5rem; color: var(--green); }
.about-float-2 i { font-size: 1.5rem; color: var(--gold-dark); }
.about-float-1 strong, .about-float-2 strong {
  display: block;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text);
}
.about-float-1 span, .about-float-2 span {
  font-size: .78rem;
  color: var(--gray);
}
.about-content { }
.about-text {
  font-size: .95rem;
  color: var(--gray-dark);
  line-height: 1.8;
  margin-bottom: 16px;
}
.about-pillars {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 28px 0;
}
.pillar {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px;
  background: var(--off-white);
  border-radius: var(--radius);
  border-left: 4px solid var(--green);
  transition: var(--transition);
}
.pillar:hover { background: var(--green-pale); transform: translateX(4px); }
.pillar-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.pillar-icon.gold-bg  { background: linear-gradient(135deg, var(--gold), var(--gold-dark)); }
.pillar-icon.blue-bg  { background: linear-gradient(135deg, var(--blue), #003c8f); }
.pillar-content strong {
  display: block;
  font-size: .92rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
}
.pillar-content span { font-size: .85rem; color: var(--gray-dark); }
.about-team { margin-top: 28px; }
.team-title {
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--gray);
  margin-bottom: 14px;
}
.team-grid { display: flex; gap: 16px; }
.team-member {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--off-white);
  border-radius: var(--radius);
  padding: 12px 16px;
  flex: 1;
  border: 1px solid var(--gray-light);
}
.member-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.green-av { background: var(--green-pale); color: var(--green); }
.gold-av  { background: rgba(255,193,7,.15); color: var(--gold-dark); }
.member-info strong { display: block; font-size: .85rem; font-weight: 700; color: var(--text); }
.member-info span   { font-size: .75rem; color: var(--gray); }

/* ===== WHY US ===== */
.why-section {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
}
.why-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green) 50%, var(--green-mid) 100%);
}
.why-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.light-tag { background: rgba(255,255,255,.15); color: var(--white); }
.light-title { color: var(--white) !important; }
.light-title em { color: var(--gold) !important; }
.why-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.why-item {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  color: var(--white);
  transition: var(--transition);
}
.why-item:hover {
  background: rgba(255,255,255,.15);
  transform: translateY(-4px);
  border-color: rgba(255,193,7,.4);
}
.why-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius);
  background: rgba(255,193,7,.2);
  border: 1px solid rgba(255,193,7,.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--gold);
  margin-bottom: 18px;
  transition: var(--transition);
}
.why-item:hover .why-icon {
  background: var(--gold);
  color: var(--white);
  transform: scale(1.1);
}
.why-item h3 { font-size: 1rem; font-weight: 700; margin-bottom: 10px; }
.why-item p  { font-size: .88rem; color: rgba(255,255,255,.75); line-height: 1.7; }

/* ===== PROJECTS ===== */
.projects-section {
  padding: 100px 0;
  background: var(--off-white);
}
.filter-bar {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.filter-btn {
  padding: 9px 22px;
  border-radius: 50px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--gray-dark);
  background: var(--white);
  border: 2px solid var(--gray-light);
  transition: var(--transition);
  cursor: pointer;
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
  box-shadow: 0 4px 15px rgba(46,125,50,.3);
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.project-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid transparent;
}
.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--green-light);
}
.project-card.hidden { display: none; }
.project-thumb {
  height: 180px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}
.green-thumb  { background: linear-gradient(135deg, var(--green-dark), var(--green-mid)); }
.gold-thumb   { background: linear-gradient(135deg, var(--gold-dark), #E65100); }
.blue-thumb   { background: linear-gradient(135deg, var(--blue), #003c8f); }
.purple-thumb { background: linear-gradient(135deg, var(--purple), #4A148C); }
.project-thumb-icon {
  font-size: 3rem;
  color: rgba(255,255,255,.6);
  margin-bottom: 8px;
}
.project-power {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--white);
  background: rgba(0,0,0,.2);
  padding: 4px 14px;
  border-radius: 50px;
}
.project-overlay-cat {
  position: absolute;
  top: 14px; left: 14px;
}
.project-overlay-cat span {
  background: rgba(255,255,255,.2);
  backdrop-filter: blur(8px);
  color: var(--white);
  font-size: .72rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 50px;
  border: 1px solid rgba(255,255,255,.3);
}
.project-body { padding: 22px; }
.project-body h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}
.proj-loc {
  font-size: .8rem;
  color: var(--green);
  font-weight: 600;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 5px;
}
.project-body p {
  font-size: .85rem;
  color: var(--gray-dark);
  line-height: 1.65;
}

/* ===== TESTIMONIALS ===== */
.testimonials-section {
  padding: 100px 0;
  background: var(--white);
}
.testimonials-track { }
.testimonial-slide {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.t-card {
  background: var(--off-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--gray-light);
  transition: var(--transition);
}
.t-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.featured-t {
  background: linear-gradient(135deg, var(--green-dark), var(--green));
  border-color: transparent;
  color: var(--white);
}
.featured-t .t-quote { color: rgba(255,255,255,.9) !important; }
.featured-t .t-author strong { color: var(--white) !important; }
.featured-t .t-author span   { color: rgba(255,255,255,.7) !important; }
.featured-t .t-stars i       { color: var(--gold) !important; }
.t-stars { margin-bottom: 16px; }
.t-stars i { color: var(--gold); font-size: .9rem; }
.t-quote {
  font-size: .92rem;
  color: var(--gray-dark);
  line-height: 1.75;
  font-style: italic;
  margin-bottom: 20px;
}
.t-author { display: flex; align-items: center; gap: 12px; }
.t-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .82rem;
  font-weight: 700;
  flex-shrink: 0;
}
.t-author strong { display: block; font-size: .9rem; color: var(--text); }
.t-author span   { font-size: .78rem; color: var(--gray); }

/* ===== CONTACT ===== */
.contact-section {
  padding: 100px 0;
  background: var(--off-white);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 56px;
  align-items: start;
}
.contact-info-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-light);
  margin-bottom: 20px;
}
.ci-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--gray-light);
}
.ci-item:last-child { border-bottom: none; }
.ci-icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--green-pale);
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.ci-icon.wa-icon   { background: rgba(37,211,102,.12); color: #25D366; }
.ci-icon.mail-icon { background: rgba(255,193,7,.12); color: var(--gold-dark); }
.ci-icon.time-icon { background: var(--blue-light); color: var(--blue); }
.ci-text span   { display: block; font-size: .75rem; color: var(--gray); margin-bottom: 2px; }
.ci-text strong { display: block; font-size: .9rem; font-weight: 600; color: var(--text); }
.strong-link    { font-size: .9rem; font-weight: 600; color: #25D366; }
.wa-big-btn {
  display: flex;
  align-items: center;
  gap: 16px;
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: var(--white);
  padding: 20px 24px;
  border-radius: var(--radius-lg);
  box-shadow: 0 6px 25px rgba(37,211,102,.35);
  transition: var(--transition);
  margin-bottom: 16px;
}
.wa-big-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 35px rgba(37,211,102,.5);
}
.wa-big-btn > i:first-child { font-size: 2.2rem; }
.wa-big-btn strong { display: block; font-size: .95rem; font-weight: 700; }
.wa-big-btn span  { display: block; font-size: .78rem; opacity: .85; }
.wa-arrow { margin-left: auto; font-size: 1rem; opacity: .7; }
.contact-promise {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: .82rem;
  color: var(--gray-dark);
  padding: 16px;
  background: var(--green-pale);
  border-radius: var(--radius);
  border-left: 4px solid var(--green);
}
.contact-promise i { color: var(--green); margin-right: 6px; }
.contact-right {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-light);
}
.contact-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.contact-form .form-group { margin-bottom: 18px; }
.contact-form label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  color: var(--gray-dark);
  margin-bottom: 6px;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--gray-light);
  border-radius: 10px;
  font-size: .9rem;
  font-family: inherit;
  color: var(--text);
  background: var(--off-white);
  outline: none;
  transition: var(--transition);
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--green);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(46,125,50,.1);
}
.contact-form textarea { resize: vertical; min-height: 100px; }
.btn-submit {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  color: var(--white);
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: var(--transition);
  box-shadow: var(--shadow-green);
  cursor: pointer;
  border: none;
  font-family: inherit;
}
.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(46,125,50,.4);
}
.btn-submit.loading { opacity: .7; pointer-events: none; }
.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  background: var(--green-pale);
  color: var(--green-dark);
  padding: 14px 18px;
  border-radius: 10px;
  font-size: .9rem;
  font-weight: 600;
  margin-top: 14px;
  border: 1px solid rgba(46,125,50,.2);
}
.form-success.show { display: flex; }
.form-success i { font-size: 1.2rem; }

/* ===== FOOTER ===== */
.footer { background: var(--green-dark); color: rgba(255,255,255,.85); }
.footer-top { padding: 64px 0 40px; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
}
.footer-logo-img {
  height: 60px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: .9;
  margin-bottom: 18px;
}
.footer-brand p {
  font-size: .85rem;
  line-height: 1.75;
  opacity: .75;
  margin-bottom: 20px;
}
.social-links {
  display: flex;
  gap: 10px;
}
.social-links a {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: rgba(255,255,255,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  transition: var(--transition);
  color: var(--white);
}
.social-links a:hover { background: var(--gold); transform: translateY(-2px); }
.footer-col h4 {
  font-size: .9rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
  font-size: .85rem;
  opacity: .7;
  transition: var(--transition);
}
.footer-col ul li a:hover { opacity: 1; color: var(--gold); padding-left: 4px; }
.footer-contact-items {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: .85rem;
  opacity: .75;
}
.footer-contact-items div { display: flex; align-items: center; gap: 10px; }
.footer-contact-items i { color: var(--gold); width: 16px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom p {
  font-size: .82rem;
  opacity: .6;
}
.footer-bottom i { color: var(--gold); }

/* ===== FLOATING WHATSAPP ===== */
.wa-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 58px; height: 58px;
  background: linear-gradient(135deg, #25D366, #128C7E);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  color: var(--white);
  box-shadow: 0 4px 20px rgba(37,211,102,.5);
  z-index: 999;
  transition: var(--transition);
  animation: waBounce 3s ease-in-out infinite;
}
.wa-float:hover {
  transform: scale(1.12);
  box-shadow: 0 8px 30px rgba(37,211,102,.7);
  animation: none;
}
.wa-float-tooltip {
  position: absolute;
  right: 70px;
  background: var(--text);
  color: var(--white);
  padding: 7px 14px;
  border-radius: 8px;
  font-size: .8rem;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}
.wa-float-tooltip::after {
  content: '';
  position: absolute;
  right: -6px; top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-right: none;
  border-left-color: var(--text);
}
.wa-float:hover .wa-float-tooltip { opacity: 1; }
@keyframes waBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* ===== SCROLL TO TOP ===== */
.scroll-top-btn {
  position: fixed;
  bottom: 96px;
  right: 28px;
  width: 44px; height: 44px;
  background: var(--green);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: var(--shadow-md);
  z-index: 998;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  pointer-events: none;
}
.scroll-top-btn.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}
.scroll-top-btn:hover { background: var(--green-dark); transform: translateY(-3px); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .about-grid     { gap: 48px; }
  .footer-grid    { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .nav-links      { display: none; flex-direction: column; position: fixed; inset: 0; top: 70px; background: var(--green-dark); padding: 32px 24px; gap: 8px; z-index: 999; }
  .nav-links.open { display: flex; }
  .nav-link       { color: var(--white) !important; padding: 14px 16px; font-size: 1.05rem; }
  .nav-cta-btn    { width: 100%; justify-content: center; margin-top: 8px; }
  .hamburger      { display: flex; }
  .hero-sun       { opacity: .4; top: 5%; right: 5%; width: 120px; height: 120px; }
  .stats-grid     { grid-template-columns: repeat(2, 1fr); margin-top: -20px; }
  .stat-item      { border-right: none; border-bottom: 1px solid var(--gray-light); }
  .services-grid  { grid-template-columns: 1fr; }
  .about-grid     { grid-template-columns: 1fr; }
  .about-visual   { order: -1; }
  .about-float-1  { bottom: 10px; left: 0; }
  .about-float-2  { top: 10px;   right: 0; }
  .why-grid       { grid-template-columns: 1fr 1fr; }
  .projects-grid  { grid-template-columns: 1fr; }
  .testimonial-slide { grid-template-columns: 1fr; }
  .contact-grid   { grid-template-columns: 1fr; }
  .contact-form .form-row { grid-template-columns: 1fr; }
  .contact-right  { padding: 24px; }
  .footer-grid    { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .hero-title     { font-size: 1.9rem; }
  .stats-grid     { grid-template-columns: 1fr 1fr; }
  .why-grid       { grid-template-columns: 1fr; }
  .hero-btns      { flex-direction: column; align-items: center; }
  .team-grid      { flex-direction: column; }
}