:root {
  --bg-dark: #020617;
  --bg-panel: #0f172a;

  --primary: #06b6d4;
  --primary-glow: #22d3ee;
  --accent: #8b5cf6;

  --text-main: #f1f5f9;
  --text-head: #ffffff;
  --text-muted: #94a3b8;

  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: 1px solid rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);

  --input-bg: rgba(0, 0, 0, 0.3);
  --input-border: rgba(255, 255, 255, 0.1);

  --font-main: "Inter", sans-serif;
  --font-tech: "JetBrains Mono", monospace;

  --blob-opacity: 0.15;
}

[data-theme="light"] {
  --bg-dark: #f8fafc;
  --bg-panel: #ffffff;

  --primary: #0891b2;
  --primary-glow: #06b6d4;
  --accent: #6366f1;
  --text-main: #334155;
  --text-head: #0f172a;
  --text-muted: #64748b;

  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: 1px solid rgba(226, 232, 240, 0.8);
  --glass-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.08);
  --input-bg: #ffffff;
  --input-border: #cbd5e1;

  --blob-opacity: 0.08;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  transition: background-color 0.3s ease, color 0.3s ease;
}

a {
  text-decoration: none;
  color: inherit;
  transition: 0.3s;
}
ul {
  list-style: none;
}
img {
  max-width: 100%;
  display: block;
}

.bg-blob {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  z-index: -1;
  animation: floatBlob 15s infinite ease-in-out;
  pointer-events: none;
  opacity: var(--blob-opacity);
}
.h-timeline-marker i {
  font-size: 16px;
  color: #fff;
}

.blob-1 {
  top: -200px;
  left: -100px;
  background: radial-gradient(circle, var(--primary) 0%, rgba(0, 0, 0, 0) 70%);
}
.blob-2 {
  bottom: -200px;
  right: -100px;
  background: radial-gradient(circle, var(--accent) 0%, rgba(0, 0, 0, 0) 70%);
  animation-delay: -5s;
}

@keyframes floatBlob {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(30px, 50px) scale(1.1);
  }
  66% {
    transform: translate(-20px, 20px) scale(0.9);
  }
}

h1,
h2,
h3 {
  font-weight: 800;
  color: var(--text-head);
  letter-spacing: -0.03em;
  transition: color 0.3s;
}
h1 {
  font-size: clamp(3rem, 6vw, 5rem);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: linear-gradient(to right, var(--text-head), var(--text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}
p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-weight: 300;
  font-size: 1.1rem;
  transition: color 0.3s;
}

.tech-text {
  font-family: var(--font-tech);
  font-size: 0.85rem;
  color: var(--primary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: inline-block;
  margin-bottom: 1rem;
  padding: 4px 8px;
  background: rgba(6, 182, 212, 0.1);
  border-radius: 4px;
  border: 1px solid rgba(6, 182, 212, 0.2);
}
[data-theme="light"] .tech-text {
  background: rgba(8, 145, 178, 0.1);
  border-color: rgba(8, 145, 178, 0.2);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
}

.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: var(--glass-border);
  box-shadow: var(--glass-shadow);
  transition: background 0.3s, border 0.3s, box-shadow 0.3s;
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.9rem;
}
.btn-primary {
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-glow) 100%
  );
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.3);
  border: none;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(6, 182, 212, 0.6);
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
}
.btn-outline:hover {
  background: rgba(6, 182, 212, 0.1);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.2);
}

header {
  position: fixed;
  top: 20px;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
}
.nav-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 90%;
  max-width: 1000px;
  padding: 12px 30px;
  border-radius: 100px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0px;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--text-head);
  text-decoration: none !important;
  border: none;
  transition: color 0.3s;
}
.logo img {
  height: 36px;
  width: auto;
  border-radius: 6px;
}
.logo:hover {
  opacity: 0.9;
}
.logo span {
  color: var(--primary);
}

nav {
  display: flex;
  gap: 30px;
  align-items: center;
}
nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  text-decoration: none;
}
nav a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: 0.3s;
}
nav a:hover {
  color: var(--text-head);
}
nav a:hover::after {
  width: 100%;
}

.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 1.2rem;
  padding: 5px;
  display: flex;
  align-items: center;
  transition: color 0.3s, transform 0.3s;
}
.theme-toggle:hover {
  color: var(--primary);
  transform: rotate(15deg);
}

.menu-toggle {
  display: none;
  color: var(--text-head);
  font-size: 1.5rem;
  cursor: pointer;
}

.hero {
  display: flex;
  align-items: center;
  padding-top: 150px;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  margin: 8px 8px 8px 0;
  background: var(--glass-bg);
  border: var(--glass-border);
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-head);
  font-family: var(--font-tech);
  transition: 0.3s;
}
.hero-badge:hover {
  border-color: var(--primary);
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.2);
}

.hero-card {
  padding: 40px;
  border-radius: 20px;
  position: relative;
  transform: perspective(1000px) rotateY(-5deg);
  transition: transform 0.5s ease;
}
.hero-card:hover {
  transform: perspective(1000px) rotateY(0deg);
}
.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 30px;
}
.stat-item {
  padding: 15px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  border-left: 2px solid var(--accent);
}
[data-theme="light"] .stat-item {
  background: rgba(241, 245, 249, 0.8);
}
.stat-item h4 {
  font-size: 1.2rem;
  margin-bottom: 4px;
  border-left: 0;
  color: var(--text-head);
}
.stat-item span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.section-padding {
  padding: 120px 0;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  margin-top: 60px;
}
.service-card {
  padding: 40px;
  border-radius: 16px;
  transition: 0.4s ease;
  position: relative;
  overflow: hidden;
}
.service-card:hover {
  transform: translateY(-10px);
  border-color: var(--primary);
  box-shadow: 0 10px 40px rgba(6, 182, 212, 0.15);
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(255, 255, 255, 0.03),
    transparent
  );
  transform: translateX(-100%);
  transition: 0.6s;
}
.service-card:hover::before {
  transform: translateX(100%);
}

.service-icon {
  font-size: 2.5rem;
  margin-bottom: 40px;
  color: var(--primary);
  height: 50px;
  display: flex;
  align-items: center;
}
.service-icon svg {
  height: 100%;
  width: auto;
  fill: currentColor;
  filter: drop-shadow(0 0 8px rgba(6, 182, 212, 0.3));
}

.eurocode-logo {
  font-family: var(--font-tech);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -1px;
  border: 3px solid currentColor;
  padding: 6px 12px;
  border-radius: 6px;

  box-shadow: 0 0 15px rgba(6, 182, 212, 0.2);
}

.service-list li {
  padding-left: 24px;
  margin-bottom: 10px;
  position: relative;
  color: var(--text-muted);
  font-size: 0.95rem;
}
.service-list li::before {
  content: "➔";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.8rem;
  top: 4px;
}

.h-timeline-wrapper {
  margin: 60px 0 100px 0;
  position: relative;
}

.h-timeline-container {
  display: flex;
  justify-content: space-between;
  position: relative;
  gap: 20px;
}

.h-timeline-container::before {
  content: "";
  position: absolute;
  top: 25px;
  left: 25px;
  right: 25px;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(6, 182, 212, 0.3) 20%,
    rgba(6, 182, 212, 0.3) 80%,
    transparent 100%
  );
  z-index: 0;
}

.h-timeline-item {
  flex: 1;
  position: relative;
  text-align: left;
  padding-top: 70px;
}

.h-timeline-marker {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--bg-dark);
  border: 2px solid var(--primary);
  color: var(--primary);
  font-family: var(--font-tech);
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.2);
  transition: 0.3s ease;
}

.h-timeline-item:hover .h-timeline-marker {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 0 25px rgba(6, 182, 212, 0.6);
  transform: translateX(-50%) scale(1.1);
}

.h-timeline-content {
  padding: 30px;
  border-radius: 16px;
  height: 100%;
  position: relative;
  transition: 0.3s;
  border-top: 1px solid transparent;
}

.h-timeline-content:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
}

.h-timeline-content::before {
  content: "";
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  border-width: 0 10px 10px 10px;
  border-style: solid;
  border-color: transparent transparent rgba(255, 255, 255, 0.05) transparent;
  transition: 0.3s;
}

[data-theme="light"] .h-timeline-content::before {
  border-color: transparent transparent rgba(255, 255, 255, 0.8) transparent;
}
[data-theme="light"] .h-timeline-item:hover i {
 color: white;
 background: transparent;
}

[data-theme="light"] .h-timeline-item:hover .h-timeline-content::before {
    border-color: transparent   transparent var(--primary) transparent; 
}

.h-timeline-content h3 {
  font-size: 1.25rem;
  margin-bottom: 15px;
  text-align: center;
  color: var(--text-head);
}

.h-timeline-content p {
  font-size: 0.95rem;
  margin-bottom: 0;
  line-height: 1.6;
  text-align: center;
}

@media (max-width: 850px) {
  .h-timeline-container {
    flex-direction: column;
    gap: 0;
  }

  .h-timeline-container::before {
    width: 2px;
    height: 100%;
    left: 24px;
    top: 0;
    right: auto;
    background: linear-gradient(
      180deg,
      var(--primary) 0%,
      rgba(6, 182, 212, 0.1) 100%
    );
  }

  .h-timeline-item {
    padding-top: 0;
    padding-left: 70px;
    margin-bottom: 40px;
  }

  .h-timeline-marker {
    left: 0;
    top: 0;
    transform: none;
  }

  .h-timeline-item:hover .h-timeline-marker {
    transform: scale(1.1);
  }

  .h-timeline-content {
    text-align: left;
  }

  .h-timeline-content h3,
  .h-timeline-content p {
    text-align: left;
  }

  .h-timeline-content::before {
    left: -10px;
    top: 20px;
    transform: none;
    border-width: 10px 10px 10px 0;
    border-color: transparent rgba(255, 255, 255, 0.05) transparent transparent;
  }

  [data-theme="light"] .h-timeline-content::before {
    border-color: transparent rgba(255, 255, 255, 0.8) transparent transparent;
  }
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}
.step-card {
  padding: 30px;
  border-radius: 12px;
  border: 1px dashed var(--text-muted);
  transition: 0.3s;
  background: transparent;
  opacity: 0.8;
}
.step-card:hover {
  border-color: var(--primary);
  background: rgba(6, 182, 212, 0.05);
  opacity: 1;
}
.step-num {
  font-family: var(--font-tech);
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-muted);
  opacity: 0.2;
  margin-bottom: 10px;
  line-height: 1;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 40px;
}
.project-item {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: 12px;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
[data-theme="light"] .project-item {
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.project-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.project-item:hover img {
  transform: scale(1.1);
}
.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(2, 6, 23, 0.9), transparent);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  opacity: 0;
  transform: translateY(20px);
  transition: 0.4s ease;
}
.project-item:hover .project-overlay {
  opacity: 1;
  transform: translateY(0);
}
.project-ref {
  font-family: var(--font-tech);
  font-size: 0.75rem;
  color: var(--primary);
  margin-bottom: 4px;
}
.project-title {
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
}
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  padding: 60px;
  border-radius: 24px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 8px;
  color: var(--text-muted);
  font-family: var(--font-tech);
}
.form-control {
  width: 100%;
  padding: 16px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  color: var(--text-head);
  font-family: var(--font-main);
  transition: 0.3s;
}
.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.2);
}
textarea.form-control {
  min-height: 140px;
  resize: vertical;
}

select.form-control option {
  background-color: var(--bg-panel);
  color: var(--text-head);
}

footer {
  border-top: 1px solid var(--glass-border);
  padding: 40px 0;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
  background: var(--bg-dark);
  transition: background 0.3s;
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.95);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: 0.3s;
  padding: 20px;
}
.lightbox.active {
  opacity: 1;
  pointer-events: all;
}
.lightbox img {
  max-height: 85vh;
  max-width: 100%;
  border-radius: 4px;
  box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.lightbox-close {
  position: absolute;
  top: 30px;
  right: 30px;
  background: none;
  border: none;
  color: #fff;
  font-size: 2.5rem;
  cursor: pointer;
  transition: 0.3s;
}
.lightbox-close:hover {
  color: var(--primary);
  transform: rotate(90deg);
}

.fab-container {
  position: fixed;
  bottom: 30px;
  right: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 15px;
  z-index: 900;
}

.fab {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center; 
  justify-content: center; 
  font-size: 24px; 
  color: #fff;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-decoration: none;
  transition: transform 0.3s;
  backdrop-filter: blur(5px);
}

.fab:hover {
  transform: scale(1.1);
}

[data-theme="light"] .h-timeline-marker i {
  background: rgba(255, 255, 255, 0.6);
  color: #0891b2;
}

.fab-wa {
  background: rgba(37, 211, 102, 0.2);
  color: #25d366;
  border-color: #25d366;
}


.fab-email {
  background: rgba(6, 182, 212, 0.2);
  color: var(--primary, #06b6d4);
  border-color: var(--primary, #06b6d4);
}


.fab i {
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1; 
}

.stats-wrapper {
  width: 100%;
  display: flex;
}

.stats-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 60px;
  padding: 40px 60px;
  border-radius: 20px;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.01) 0%,
    rgba(255, 255, 255, 0.04) 50%,
    rgba(255, 255, 255, 0.01) 100%
  );
  border-bottom: 1px solid var(--primary);
  position: relative;
  overflow: hidden;
}

.stats-container::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle,
    rgba(6, 182, 212, 0.08) 0%,
    transparent 70%
  );
  pointer-events: none;
}

.stats-box {
  text-align: center;
  position: relative;
  z-index: 2;
}

.stats-number {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 5px;
  text-shadow: 0 0 25px rgba(6, 182, 212, 0.4);
  font-family: var(--font-main);
}

.stats-label {
  font-family: var(--font-tech);
  color: var(--text-muted);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
}

.stats-divider {
  width: 1px;
  height: 60px;
  background: linear-gradient(
    to bottom,
    transparent,
    var(--text-muted),
    transparent
  );
  opacity: 0.3;
}

@media (max-width: 768px) {
  .stats-container {
    flex-direction: column;
    gap: 30px;
    padding: 30px;
    width: 100%;
  }

  [data-theme="light"] .h-timeline-item:hover .h-timeline-content::before {
    border-color: transparent var(--primary)  transparent transparent; /* new color */
}

  .stats-divider {
    width: 60%;
    height: 1px;
    background: linear-gradient(
      to right,
      transparent,
      var(--text-muted),
      transparent
    );
  }

  .stats-number {
    font-size: 2.8rem;
  }
}

[data-theme="light"] .stats-container {
  background: rgba(255, 255, 255, 0.6);
  border-bottom: 1px solid rgba(6, 182, 212, 0.5);
}

[data-theme="light"] .stats-number {
  text-shadow: none;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-card {
    display: none;
  }
  .hero-text {
    margin: 0 auto;
  }
  .hero-tags {
    justify-content: center;
  }
  .contact-wrapper {
    grid-template-columns: 1fr;
    padding: 30px;
  }
}
@media (max-width: 600px) {
  .nav-pill {
    width: 95%;
    padding: 10px 20px;
  }
  nav {
    display: none;
  }
  .menu-toggle {
    display: block;
  }
  nav.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg-panel);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
  }
  h1 {
    font-size: 2.5rem;
  }
}