/* ============================================================
   SolarAxis Energy — Premium B2B Solar Company Website
   CSS Stylesheet | Version 1.0
   Font: Syne (headings) + DM Sans (body)
   ============================================================ */

:root {
  --primary: #0a1628;
  --primary-mid: #0d2248;
  --primary-light: #1a3a6e;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --accent-light: #fde68a;
  --green: #22c55e;
  --green-dark: #16a34a;
  --white: #ffffff;
  --off-white: #f8fafc;
  --light-gray: #f1f5f9;
  --mid-gray: #94a3b8;
  --text-main: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;
  --border: rgba(15,23,42,0.1);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.14);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.18);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
}

/* ========== RESET & BASE ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'DM Sans', sans-serif;
  color: var(--text-main);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; outline: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; outline: none; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

/* ========== TYPOGRAPHY ========== */
h1,h2,h3,h4 { font-family: 'Syne', sans-serif; line-height: 1.15; }

.section-eyebrow {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 16px;
  line-height: 1.2;
}
.section-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 580px;
}
.section-header { text-align: center; margin-bottom: 56px; }
.section-header .section-sub { margin: 0 auto; }

/* ========== BUTTONS ========== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: var(--primary);
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  padding: 14px 28px;
  border-radius: 8px;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(245,158,11,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245,158,11,0.5);
  background: linear-gradient(135deg, #fbbf24 0%, var(--accent) 100%);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 2px solid rgba(255,255,255,0.4);
  color: var(--white);
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 13px 26px;
  border-radius: 8px;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(245,158,11,0.08);
}

/* ========== LOADER ========== */
.loader {
  position: fixed;
  inset: 0;
  background: var(--primary);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
.loader.hidden { opacity: 0; visibility: hidden; }
.loader-inner { text-align: center; }
.loader-logo {
  font-family: 'Syne', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 24px;
  letter-spacing: 0.1em;
}
.loader-bar {
  width: 200px;
  height: 3px;
  background: rgba(255,255,255,0.15);
  border-radius: 99px;
  overflow: hidden;
}
.loader-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--green));
  border-radius: 99px;
  animation: loadFill 1.4s ease forwards;
}
@keyframes loadFill { to { width: 100%; } }

/* ========== NAVBAR ========== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(10,22,40,0.97);
  backdrop-filter: blur(16px);
  padding: 12px 0;
  box-shadow: 0 2px 24px rgba(0,0,0,0.3);
}
.nav-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Syne', sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--white);
  flex-shrink: 0;
}
.logo-icon { color: var(--accent); font-size: 1.5rem; }
.logo-text span { color: var(--accent); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}
.nav-links a {
  font-size: 0.82rem;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  padding: 6px 10px;
  border-radius: 6px;
  transition: var(--transition);
  white-space: nowrap;
}
.nav-links a:hover { color: var(--accent); background: rgba(245,158,11,0.1); }
.btn-cta {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--primary) !important;
  font-weight: 700 !important;
  padding: 9px 20px !important;
  border-radius: 7px !important;
  font-family: 'Syne', sans-serif;
  font-size: 0.82rem !important;
  letter-spacing: 0.02em;
  flex-shrink: 0;
  transition: var(--transition) !important;
  box-shadow: 0 4px 14px rgba(245,158,11,0.35);
}
.btn-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(245,158,11,0.5); }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  margin-left: auto;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ========== HERO ========== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; }
.hero-img { width: 100%; height: 100%; object-fit: cover; animation: heroZoom 18s ease infinite alternate; }
@keyframes heroZoom { from { transform: scale(1); } to { transform: scale(1.08); } }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(125deg, rgba(10,22,40,0.88) 0%, rgba(10,22,40,0.6) 60%, rgba(10,22,40,0.75) 100%);
}
.hero-grid-overlay {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 50px 50px;
}
.hero-floating-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: orbFloat 8s ease-in-out infinite;
}
.orb1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(245,158,11,0.18), transparent 70%);
  top: -100px; right: -100px;
  animation-delay: 0s;
}
.orb2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(34,197,94,0.12), transparent 70%);
  bottom: -100px; left: 5%;
  animation-delay: 4s;
}
@keyframes orbFloat {
  0%,100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 0 40px;
  margin: 0 auto;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  color: rgba(255,255,255,0.85);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 7px 16px;
  border-radius: 99px;
  margin-bottom: 24px;
}
.badge-dot {
  width: 7px; height: 7px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--green);
  animation: blink 2s ease infinite;
}
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }
.hero-title {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 22px;
  letter-spacing: -0.02em;
}
.highlight-text {
  background: linear-gradient(135deg, var(--accent), #fb923c);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.72);
  max-width: 560px;
  margin-bottom: 36px;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 52px; }
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(12px);
  border-radius: 14px;
  padding: 20px 28px;
  width: fit-content;
}
.stat-item { text-align: center; padding: 0 24px; }
.stat-num {
  font-family: 'Syne', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--white);
}
.stat-unit { font-family: 'Syne', sans-serif; font-size: 1.2rem; font-weight: 700; color: var(--accent); }
.stat-label { display: block; font-size: 0.75rem; color: rgba(255,255,255,0.6); margin-top: 4px; white-space: nowrap; }
.stat-divider { width: 1px; height: 50px; background: rgba(255,255,255,0.15); flex-shrink: 0; }
.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
  color: rgba(255,255,255,0.5);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}
.scroll-arrow {
  width: 20px; height: 20px;
  border-right: 2px solid rgba(255,255,255,0.4);
  border-bottom: 2px solid rgba(255,255,255,0.4);
  transform: rotate(45deg);
  animation: scrollBounce 2s ease infinite;
}
@keyframes scrollBounce { 0%,100% { transform: rotate(45deg) translate(0,0); } 50% { transform: rotate(45deg) translate(4px,4px); } }

/* ========== TRUST SECTION ========== */
.trust-section {
  background: var(--primary);
  padding: 36px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.trust-grid {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
}
.trust-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 28px;
  border-right: 1px solid rgba(255,255,255,0.1);
  transition: var(--transition);
}
.trust-badge:last-child { border-right: none; }
.trust-badge:hover { transform: translateY(-2px); }
.trust-icon { font-size: 1.6rem; }
.trust-badge strong { display: block; color: var(--white); font-size: 0.9rem; font-family: 'Syne', sans-serif; }
.trust-badge span { color: rgba(255,255,255,0.5); font-size: 0.78rem; }

/* ========== ABOUT ========== */
.about-section { padding: 100px 0; background: var(--off-white); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.about-visual { position: relative; }
.about-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.about-img-wrap img { width: 100%; height: 460px; object-fit: cover; }
.about-img-card {
  position: absolute;
  bottom: 24px; left: 24px;
  background: var(--primary);
  color: var(--white);
  padding: 16px 20px;
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.1);
}
.card-num { font-family: 'Syne', sans-serif; font-size: 1.8rem; font-weight: 800; color: var(--accent); display: block; }
.card-text { font-size: 0.82rem; color: rgba(255,255,255,0.7); max-width: 120px; line-height: 1.3; }
.about-img-secondary {
  position: absolute;
  bottom: -30px; right: -30px;
  width: 200px; height: 160px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 4px solid var(--white);
}
.about-img-secondary img { width: 100%; height: 100%; object-fit: cover; }
.about-lead {
  font-size: 1.15rem;
  color: var(--text-body);
  font-weight: 400;
  margin-bottom: 20px;
  line-height: 1.7;
}
.about-body { font-size: 1rem; color: var(--text-muted); margin-bottom: 32px; line-height: 1.8; }
.about-pillars { display: flex; flex-direction: column; gap: 20px; margin-bottom: 36px; }
.pillar { display: flex; gap: 16px; }
.pillar-icon { font-size: 1.6rem; flex-shrink: 0; margin-top: 2px; }
.pillar strong { display: block; font-family: 'Syne', sans-serif; font-weight: 700; margin-bottom: 6px; }
.pillar p { font-size: 0.9rem; color: var(--text-muted); margin: 0; }

/* ========== SOLUTIONS ========== */
.solutions-section { padding: 100px 0; background: var(--white); }
.solutions-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.solution-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  animation-delay: var(--delay, 0s);
}
.solution-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--green));
  transform: scaleX(0);
  transition: var(--transition);
}
.solution-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.solution-card:hover::before { transform: scaleX(1); }
.sol-icon-wrap {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, rgba(245,158,11,0.12), rgba(34,197,94,0.08));
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
  transition: var(--transition);
}
.solution-card:hover .sol-icon-wrap { background: linear-gradient(135deg, rgba(245,158,11,0.2), rgba(34,197,94,0.15)); transform: scale(1.05); }
.solution-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 10px; }
.solution-card p { font-size: 0.875rem; color: var(--text-muted); line-height: 1.65; margin-bottom: 20px; }
.sol-link { font-size: 0.82rem; font-weight: 600; color: var(--accent); transition: var(--transition); }
.sol-link:hover { color: var(--accent-dark); letter-spacing: 0.02em; }

/* ========== INDUSTRIES ========== */
.industries-section { padding: 100px 0; background: var(--primary); }
.industries-section .section-eyebrow { color: var(--accent); }
.industries-section .section-title { color: var(--white); }
.industries-section .section-sub { color: rgba(255,255,255,0.6); }
.industries-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.industry-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 3/4;
  cursor: pointer;
}
.ind-img { position: absolute; inset: 0; }
.ind-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.industry-card:hover .ind-img img { transform: scale(1.1); }
.ind-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,22,40,0.9) 0%, rgba(10,22,40,0.3) 50%, transparent 100%);
  transition: var(--transition);
}
.industry-card:hover .ind-overlay { background: linear-gradient(to top, rgba(10,22,40,0.95) 0%, rgba(10,22,40,0.5) 60%, rgba(10,22,40,0.1) 100%); }
.ind-content {
  position: absolute;
  bottom: 20px; left: 16px; right: 16px;
  z-index: 2;
}
.ind-icon { font-size: 1.5rem; display: block; margin-bottom: 6px; }
.ind-content h3 { font-size: 0.92rem; font-weight: 700; color: var(--white); }

/* ========== WHY CHOOSE US ========== */
.why-section { position: relative; padding: 100px 0; overflow: hidden; }
.why-bg-img { position: absolute; inset: 0; }
.why-bg-img img { width: 100%; height: 100%; object-fit: cover; }
.why-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(10,22,40,0.96) 0%, rgba(10,22,40,0.88) 100%); }
.why-section .container { position: relative; z-index: 2; }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.why-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: var(--transition);
  animation-delay: var(--delay, 0s);
}
.why-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(245,158,11,0.3);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.why-icon { font-size: 2rem; margin-bottom: 16px; display: block; }
.why-card h3 { font-size: 0.95rem; font-weight: 700; color: var(--white); margin-bottom: 10px; }
.why-card p { font-size: 0.85rem; color: rgba(255,255,255,0.55); line-height: 1.65; }

/* ========== CALCULATOR ========== */
.calculator-section { padding: 100px 0; background: var(--off-white); }
.calc-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}
.calc-field { margin-bottom: 20px; }
.calc-field label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text-body); margin-bottom: 8px; }
.calc-field input, .calc-field select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  color: var(--text-main);
  background: var(--white);
  transition: var(--transition);
}
.calc-field input:focus, .calc-field select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(245,158,11,0.12); }
.calc-btn { width: 100%; justify-content: center; margin-top: 8px; font-size: 1rem; padding: 15px; }
.calc-results { display: flex; flex-direction: column; justify-content: center; }
.result-placeholder { text-align: center; padding: 32px; color: var(--text-muted); }
.result-icon { font-size: 3rem; margin-bottom: 16px; }
.result-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.result-card {
  padding: 20px;
  border-radius: var(--radius);
  text-align: center;
  animation: fadeInUp 0.5s ease both;
}
.r-label { display: block; font-size: 0.78rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 8px; opacity: 0.8; }
.r-value { display: block; font-family: 'Syne', sans-serif; font-size: 1.5rem; font-weight: 800; }
.r-green { background: rgba(34,197,94,0.12); color: var(--green-dark); }
.r-blue { background: rgba(26,58,110,0.1); color: var(--primary); }
.r-yellow { background: rgba(245,158,11,0.12); color: var(--accent-dark); }
.r-orange { background: rgba(251,146,60,0.12); color: #c2410c; }
.r-purple { background: linear-gradient(135deg, rgba(10,22,40,0.06), rgba(245,158,11,0.08)); color: var(--primary); }
.full-width { grid-column: 1 / -1; }
.result-cta { grid-column: 1 / -1; text-align: center; padding-top: 8px; }
.result-cta p { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 14px; }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

/* ========== PROCESS ========== */
.process-section { padding: 100px 0; background: var(--white); }
.process-timeline { position: relative; display: flex; flex-direction: column; gap: 0; max-width: 800px; margin: 0 auto; }
.process-line {
  position: absolute;
  left: 36px; top: 20px; bottom: 20px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--green));
  border-radius: 2px;
}
.process-step {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  padding: 20px 0;
  animation-delay: var(--delay, 0s);
}
.step-num {
  font-family: 'Syne', sans-serif;
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.1em;
  width: 30px;
  text-align: center;
  flex-shrink: 0;
  padding-top: 18px;
}
.step-dot {
  width: 14px; height: 14px;
  background: var(--white);
  border: 3px solid var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 20px;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 4px rgba(245,158,11,0.15);
  transition: var(--transition);
}
.process-step:hover .step-dot { background: var(--accent); transform: scale(1.3); }
.step-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  flex: 1;
  transition: var(--transition);
}
.process-step:hover .step-card { box-shadow: var(--shadow-md); border-color: rgba(245,158,11,0.3); transform: translateX(4px); }
.step-icon { font-size: 1.6rem; margin-bottom: 10px; display: block; }
.step-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.step-card p { font-size: 0.875rem; color: var(--text-muted); }

/* ========== PROJECTS ========== */
.projects-section { padding: 100px 0; background: var(--off-white); }
.project-filters { display: flex; gap: 12px; justify-content: center; margin-bottom: 40px; flex-wrap: wrap; }
.filter-btn {
  padding: 9px 22px;
  border-radius: 99px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 2px solid var(--border);
  color: var(--text-muted);
  transition: var(--transition);
  background: var(--white);
}
.filter-btn.active, .filter-btn:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.project-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
  animation-delay: var(--delay, 0s);
}
.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.proj-img { position: relative; overflow: hidden; height: 220px; }
.proj-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.project-card:hover .proj-img img { transform: scale(1.06); }
.proj-badge {
  position: absolute;
  top: 16px; left: 16px;
  background: var(--accent);
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 12px;
  border-radius: 99px;
}
.proj-info { padding: 24px; }
.proj-info h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.proj-info p { font-size: 0.875rem; color: var(--text-muted); margin-bottom: 16px; }
.proj-stats { display: flex; gap: 12px; flex-wrap: wrap; }
.proj-stats span { font-size: 0.78rem; font-weight: 600; color: var(--text-body); background: var(--light-gray); padding: 4px 10px; border-radius: 6px; }
.project-card.hidden { display: none; }

/* ========== NUMBERS ========== */
.numbers-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-mid) 100%);
}
.numbers-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.number-item {
  text-align: center;
  padding: 20px 20px;
  border-right: 1px solid rgba(255,255,255,0.1);
  animation-delay: var(--delay, 0s);
}
.number-item:last-child { border-right: none; }
.num-val {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 800;
  color: var(--white);
}
.num-suffix { font-family: 'Syne', sans-serif; font-size: clamp(1.4rem, 2.5vw, 2rem); font-weight: 700; color: var(--accent); }
.num-label { display: block; font-size: 0.85rem; color: rgba(255,255,255,0.55); margin-top: 8px; }

/* ========== TESTIMONIALS ========== */
.testimonials-section { padding: 100px 0; background: var(--white); }
.testimonial-slider { overflow: hidden; }
.testimonial-track { display: flex; transition: transform 0.6s cubic-bezier(0.4,0,0.2,1); }
.testimonial-card {
  flex-shrink: 0;
  width: 100%;
  background: var(--off-white);
  border-radius: var(--radius-lg);
  padding: 48px;
  border: 1px solid var(--border);
}
.testi-stars { color: var(--accent); font-size: 1.1rem; margin-bottom: 24px; letter-spacing: 2px; }
.testi-text {
  font-size: 1.05rem;
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 32px;
  font-style: italic;
  max-width: 700px;
}
.testi-author { display: flex; align-items: center; gap: 16px; }
.testi-author img { width: 60px; height: 60px; border-radius: 50%; object-fit: cover; border: 3px solid var(--accent); }
.testi-author strong { display: block; font-family: 'Syne', sans-serif; font-size: 1rem; }
.testi-author span { font-size: 0.82rem; color: var(--text-muted); }
.slider-controls { display: flex; align-items: center; justify-content: center; gap: 20px; margin-top: 32px; }
.slider-btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  font-size: 1.1rem;
  transition: var(--transition);
  display: flex; align-items: center; justify-content: center;
}
.slider-btn:hover { background: var(--accent); color: var(--primary); transform: scale(1.08); }
.slider-dots { display: flex; gap: 8px; }
.slider-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--border);
  cursor: pointer;
  transition: var(--transition);
}
.slider-dot.active { background: var(--accent); width: 24px; border-radius: 4px; }

/* ========== BLOG ========== */
.blog-section { padding: 100px 0; background: var(--off-white); }
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.blog-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  animation-delay: var(--delay, 0s);
}
.blog-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.blog-img { position: relative; overflow: hidden; height: 200px; }
.blog-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.blog-card:hover .blog-img img { transform: scale(1.06); }
.blog-tag {
  position: absolute;
  top: 14px; right: 14px;
  background: var(--primary);
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-radius: 5px;
}
.blog-body { padding: 24px; }
.blog-date { font-size: 0.78rem; color: var(--text-muted); display: block; margin-bottom: 10px; }
.blog-body h3 { font-size: 1rem; font-weight: 700; margin-bottom: 10px; line-height: 1.4; }
.blog-body p { font-size: 0.875rem; color: var(--text-muted); margin-bottom: 18px; line-height: 1.6; }
.blog-read { font-size: 0.82rem; font-weight: 700; color: var(--accent); transition: var(--transition); }
.blog-read:hover { color: var(--accent-dark); letter-spacing: 0.02em; }

/* ========== FAQ ========== */
.faq-section { padding: 100px 0; background: var(--white); }
.faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.open { border-color: var(--accent); box-shadow: 0 4px 16px rgba(245,158,11,0.1); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-family: 'Syne', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  text-align: left;
  gap: 16px;
  transition: var(--transition);
}
.faq-q:hover { color: var(--accent); }
.faq-q span {
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--accent);
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-item.open .faq-q span { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-a p { padding: 0 24px 20px; font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; }
.faq-item.open .faq-a { max-height: 300px; }

/* ========== CONTACT ========== */
.contact-section { padding: 100px 0; background: var(--off-white); }
.contact-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; }
.contact-form-wrap { background: var(--white); border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow-md); border: 1px solid var(--border); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--text-body); margin-bottom: 8px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--text-main);
  background: var(--white);
  transition: var(--transition);
  resize: vertical;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(245,158,11,0.12);
}
.form-submit { width: 100%; justify-content: center; font-size: 1rem; padding: 15px; }
.form-success { text-align: center; padding: 40px 20px; }
.success-icon { font-size: 3.5rem; margin-bottom: 16px; }
.form-success h3 { font-size: 1.5rem; margin-bottom: 10px; }
.form-success p { color: var(--text-muted); }
.info-card {
  background: var(--primary);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px;
  margin-bottom: 20px;
}
.info-card h3 { font-size: 1.3rem; margin-bottom: 24px; }
.info-item { display: flex; gap: 14px; margin-bottom: 24px; }
.info-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 2px; }
.info-item strong { display: block; font-size: 0.82rem; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 4px; }
.info-item p { font-size: 0.88rem; color: rgba(255,255,255,0.7); margin: 0; }
.info-item a { color: rgba(255,255,255,0.7); transition: var(--transition); }
.info-item a:hover { color: var(--accent); }
.office-locations h4 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); margin-bottom: 12px; }
.offices { display: flex; flex-wrap: wrap; gap: 8px; }
.offices span { font-size: 0.8rem; color: rgba(255,255,255,0.6); background: rgba(255,255,255,0.06); padding: 4px 10px; border-radius: 5px; }
.map-embed { border-radius: var(--radius); overflow: hidden; }

/* ========== FOOTER ========== */
.footer { background: var(--primary); color: rgba(255,255,255,0.65); }
.footer-top { padding: 72px 0 48px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 48px; }
.footer-brand .footer-logo {
  display: flex; align-items: center; gap: 8px;
  font-family: 'Syne', sans-serif; font-size: 1.4rem; font-weight: 800; color: var(--white);
  margin-bottom: 16px;
}
.footer-brand p { font-size: 0.875rem; line-height: 1.7; margin-bottom: 24px; }
.social-links { display: flex; gap: 10px; margin-bottom: 24px; }
.social-links a {
  width: 38px; height: 38px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}
.social-links a:hover { background: var(--accent); color: var(--primary); border-color: var(--accent); }
.footer-newsletter { display: flex; gap: 8px; }
.footer-newsletter input {
  flex: 1;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.06);
  color: var(--white);
  font-size: 0.85rem;
}
.footer-newsletter input::placeholder { color: rgba(255,255,255,0.35); }
.footer-newsletter button {
  background: var(--accent);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.82rem;
  padding: 10px 16px;
  border-radius: 8px;
  font-family: 'Syne', sans-serif;
  transition: var(--transition);
}
.footer-newsletter button:hover { background: #fbbf24; }
.footer-col h4 { font-family: 'Syne', sans-serif; font-size: 0.9rem; font-weight: 700; color: var(--white); margin-bottom: 20px; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 0.875rem; color: rgba(255,255,255,0.5); transition: var(--transition); }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { padding: 20px 0; }
.footer-bottom-inner {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.8rem; flex-wrap: wrap; gap: 12px;
}
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { color: rgba(255,255,255,0.4); transition: var(--transition); }
.footer-legal a:hover { color: var(--accent); }

/* ========== BACK TO TOP ========== */
.back-top {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 46px; height: 46px;
  background: var(--accent);
  color: var(--primary);
  border-radius: 50%;
  font-size: 1.1rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(245,158,11,0.4);
  transition: var(--transition);
  z-index: 999;
  opacity: 0; pointer-events: none;
}
.back-top.visible { opacity: 1; pointer-events: all; }
.back-top:hover { transform: translateY(-3px) scale(1.05); box-shadow: 0 8px 24px rgba(245,158,11,0.5); }

/* ========== REVEAL ANIMATIONS ========== */
.reveal-up, .reveal-left, .reveal-right {
  opacity: 0;
  transition: opacity 0.65s ease, transform 0.65s cubic-bezier(0.4,0,0.2,1);
}
.reveal-up { transform: translateY(36px); }
.reveal-left { transform: translateX(-36px); }
.reveal-right { transform: translateX(36px); }
.reveal-up.visible, .reveal-left.visible, .reveal-right.visible {
  opacity: 1;
  transform: translate(0,0);
  transition-delay: var(--delay, 0s);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1100px) {
  .solutions-grid { grid-template-columns: repeat(2, 1fr); }
  .industries-grid { grid-template-columns: repeat(4, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-img-secondary { display: none; }
  .about-img-wrap img { height: 320px; }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .numbers-grid { grid-template-columns: repeat(2, 1fr); }
  .number-item:nth-child(2) { border-right: none; }
  .number-item:nth-child(3) { border-right: 1px solid rgba(255,255,255,0.1); }
  .calc-wrapper { grid-template-columns: 1fr; padding: 32px 28px; }
  .contact-grid { grid-template-columns: 1fr; }
  .industries-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-stats { flex-wrap: wrap; gap: 16px; }
  .stat-divider { display: none; }
  .stat-item { padding: 0 16px; }
}

@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: rgba(10,22,40,0.98); padding: 24px; gap: 4px; backdrop-filter: blur(16px); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 16px; font-size: 0.95rem; border-radius: 8px; }
  .nav-cta { display: none; }
  .hamburger { display: flex; }
  .navbar { padding: 14px 0; }
  .hero-content { padding: 0 24px; }
  .hero-title { font-size: clamp(1.9rem, 7vw, 2.6rem); }
  .solutions-grid { grid-template-columns: 1fr; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .numbers-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .trust-grid { gap: 0; }
  .trust-badge { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.1); width: 100%; }
  .process-timeline { padding-left: 10px; }
  .testimonial-card { padding: 28px 24px; }
  .hero-stats { background: none; border: none; padding: 0; }
  .stat-item { padding: 12px 16px; background: rgba(255,255,255,0.06); border-radius: 10px; border: 1px solid rgba(255,255,255,0.1); }
  .section-header { margin-bottom: 40px; }
  section { padding: 64px 0 !important; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-outline { width: 100%; justify-content: center; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom-inner { flex-direction: column; text-align: center; }
  .footer-legal { justify-content: center; }
  .numbers-grid { grid-template-columns: 1fr 1fr; }
  .number-item { border-right: none; }
  .hero-stats { gap: 12px; justify-content: center; }
}