/* ========================================
   M Bilişim — Design System & Styles
   ======================================== */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ── CSS Custom Properties ── */
:root {
  --primary-dark: #0a1628;
  --primary: #0f2744;
  --primary-light: #162d50;
  --accent: #00d4ff;
  --accent-hover: #00b8e6;
  --accent-glow: rgba(0, 212, 255, 0.3);
  --accent-alt: #0099cc;
  --white: #ffffff;
  --off-white: #f4f7fa;
  --light-gray: #e8ecf1;
  --mid-gray: #8892a4;
  --text: #1a1a2e;
  --text-light: #4a5568;
  --text-on-dark: #c8d6e5;

  --shadow-sm: 0 2px 8px rgba(10, 22, 40, 0.06);
  --shadow-md: 0 4px 20px rgba(10, 22, 40, 0.08);
  --shadow-lg: 0 8px 40px rgba(10, 22, 40, 0.12);
  --shadow-xl: 0 16px 64px rgba(10, 22, 40, 0.16);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul,
ol {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: var(--font);
  cursor: pointer;
  border: none;
  outline: none;
}

/* ── Utility ── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 100px 0;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--primary-dark);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 600px;
  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 32px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 50px;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-alt));
  color: var(--white);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

.btn-outline:hover {
  background: var(--accent);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

/* ── Scroll Animations ── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ========================================
   NAVBAR
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(20px);
  padding: 12px 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
}

.nav-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent), var(--accent-alt));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--white);
}

.nav-logo span {
  color: var(--white);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition-base);
}

.nav-links a:hover {
  color: var(--white);
}

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

.nav-cta {
  padding: 10px 24px !important;
  font-size: 0.85rem !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 4px;
}

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

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(165deg, var(--primary-dark) 0%, var(--primary) 50%, #0d3461 100%);
  overflow: hidden;
}

#hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at 30% 50%, rgba(0, 212, 255, 0.08) 0%, transparent 60%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding-top: 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: 50px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 28px;
  letter-spacing: 0.5px;
}

.hero-badge .pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.5;
    transform: scale(1.5);
  }
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--accent), #7dd3fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-on-dark);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 580px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item .stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 4px;
}

.stat-item .stat-label {
  font-size: 0.85rem;
  color: var(--mid-gray);
  font-weight: 500;
}

/* ========================================
   SERVICES SECTION
   ======================================== */
.services {
  background: var(--off-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-alt));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

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

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

.service-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 153, 204, 0.05));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: all var(--transition-base);
}

.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--accent), var(--accent-alt));
}

.service-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke var(--transition-base);
}

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

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.7;
}

.service-card .card-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  opacity: 0;
  transform: translateX(-10px);
  transition: all var(--transition-base);
}

.service-card:hover .card-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* ========================================
   WHY US SECTION
   ======================================== */
.why-us {
  background: var(--white);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.why-item {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  position: relative;
}

.why-item:hover {
  background: var(--off-white);
  transform: translateY(-4px);
}

.why-icon {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 212, 255, 0.03));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  transition: all var(--transition-base);
}

.why-item:hover .why-icon {
  background: linear-gradient(135deg, var(--accent), var(--accent-alt));
  box-shadow: 0 8px 25px var(--accent-glow);
}

.why-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke var(--transition-base);
}

.why-item:hover .why-icon svg {
  stroke: var(--white);
}

.why-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 12px;
}

.why-item p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.7;
}

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

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-content .section-label,
.about-content .section-title {
  text-align: left;
}

.about-text {
  font-size: 1.05rem;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 32px;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--primary-dark);
}

.about-feature .check-icon {
  width: 22px;
  height: 22px;
  background: linear-gradient(135deg, var(--accent), var(--accent-alt));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.about-feature .check-icon svg {
  width: 12px;
  height: 12px;
  stroke: var(--white);
  fill: none;
  stroke-width: 3;
}

.about-image {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-image-placeholder {
  text-align: center;
  padding: 40px;
}

.about-image-placeholder svg {
  width: 80px;
  height: 80px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 1;
  margin-bottom: 16px;
  opacity: 0.6;
}

.about-image-placeholder p {
  color: var(--mid-gray);
  font-size: 0.9rem;
  font-weight: 500;
}

.about-image .float-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: rgba(10, 22, 40, 0.85);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(0, 212, 255, 0.2);
  padding: 16px 24px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 16px;
}

.float-badge .badge-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
}

.float-badge .badge-text {
  font-size: 0.8rem;
  color: var(--text-on-dark);
  font-weight: 500;
  line-height: 1.4;
}

/* ========================================
   PARTNERS SECTION
   ======================================== */
.partners {
  background: var(--white);
  padding: 60px 0;
}

.partners-label {
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--mid-gray);
  margin-bottom: 40px;
}

.partners-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 56px;
  flex-wrap: wrap;
}

.partner-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  opacity: 0.35;
  filter: grayscale(100%);
  transition: all var(--transition-base);
  cursor: default;
}

.partner-logo:hover {
  opacity: 1;
  filter: grayscale(0%);
  transform: scale(1.05);
}

.partner-logo svg {
  height: 28px;
  width: auto;
}

.partner-logo span {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary-dark);
  letter-spacing: -0.3px;
}

/* ========================================
   CASE STUDIES SECTION
   ======================================== */
.case-studies {
  background: var(--primary-dark);
}

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

.case-studies .section-subtitle {
  color: var(--text-on-dark);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.case-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.case-card:hover {
  border-color: rgba(0, 212, 255, 0.25);
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.06);
}

.case-card:hover::after {
  opacity: 1;
}

.case-card-content {
  position: relative;
  z-index: 1;
}

.case-tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(0, 212, 255, 0.12);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 50px;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.case-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 14px;
  line-height: 1.4;
}

.case-card p {
  font-size: 0.9rem;
  color: var(--text-on-dark);
  line-height: 1.7;
}

.case-card .case-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  transition: gap var(--transition-base);
}

.case-card:hover .case-link {
  gap: 10px;
}

/* ========================================
   CONTACT SECTION
   ======================================== */
.contact {
  background: var(--off-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.contact-info h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 16px;
}

.contact-info>p {
  font-size: 1rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 40px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

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

.contact-item-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 153, 204, 0.05));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 1.8;
}

.contact-item-text strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: 4px;
}

.contact-item-text span,
.contact-item-text a {
  font-size: 0.92rem;
  color: var(--text-light);
}

.contact-item-text a:hover {
  color: var(--accent);
}

.contact-form-wrapper {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1.5px solid var(--light-gray);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.92rem;
  color: var(--text);
  background: var(--white);
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.1);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.btn-submit {
  width: 100%;
  justify-content: center;
  font-size: 1rem;
  padding: 16px 32px;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background: var(--primary-dark);
  color: var(--text-on-dark);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--mid-gray);
  line-height: 1.7;
  margin-top: 16px;
  max-width: 300px;
}

.footer-socials {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--accent);
  transform: translateY(-3px);
}

.social-link svg {
  width: 18px;
  height: 18px;
  fill: var(--text-on-dark);
  transition: fill var(--transition-base);
}

.social-link:hover svg {
  fill: var(--white);
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
  letter-spacing: 0.3px;
}

.footer-col a {
  display: block;
  font-size: 0.88rem;
  color: var(--mid-gray);
  padding: 6px 0;
  transition: all var(--transition-fast);
}

.footer-col a:hover {
  color: var(--accent);
  padding-left: 6px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 0.82rem;
  color: var(--mid-gray);
}

.footer-bottom a {
  color: var(--mid-gray);
}

.footer-bottom a:hover {
  color: var(--accent);
}

/* ========================================
   WHATSAPP BUTTON
   ======================================== */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 60px;
  height: 60px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
  transition: all var(--transition-base);
  animation: whatsappPulse 2.5s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
  width: 30px;
  height: 30px;
  fill: var(--white);
}

@keyframes whatsappPulse {

  0%,
  100% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
  }

  50% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.6), 0 0 0 12px rgba(37, 211, 102, 0.1);
  }
}

/* ========================================
   MOBILE NAV OVERLAY
   ======================================== */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 22, 40, 0.97);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

.mobile-nav-overlay.active {
  display: flex;
}

.mobile-nav-overlay a {
  color: var(--white);
  font-size: 1.3rem;
  font-weight: 600;
  transition: color var(--transition-fast);
}

.mobile-nav-overlay a:hover {
  color: var(--accent);
}

.mobile-nav-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: none;
  border: none;
  color: var(--white);
  font-size: 2rem;
  cursor: pointer;
  padding: 8px;
  line-height: 1;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero-content {
    text-align: center;
    padding-top: 100px;
  }

  .hero p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
    gap: 32px;
  }

  .stat-item {
    text-align: center;
  }

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

  .why-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  .about-content {
    text-align: center;
  }

  .about-content .section-label,
  .about-content .section-title {
    text-align: center;
  }

  .about-features {
    grid-template-columns: 1fr;
    justify-items: center;
  }

  .partners-strip {
    gap: 32px;
  }

  .cases-grid {
    grid-template-columns: 1fr;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .section-padding {
    padding: 60px 0;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: 20px;
    align-items: center;
  }

  .btn {
    padding: 12px 24px;
    font-size: 0.88rem;
  }

  .whatsapp-float {
    width: 52px;
    height: 52px;
    bottom: 20px;
    right: 20px;
  }
}