/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Design tokens (brand-tuned) */
:root{
  --bg: #f6f7fb;            /* soft neutral background */
  --text: #222831;          /* deep charcoal for text */
  --primary: #0b2545;       /* deep navy primary */
  --accent: #ff6b61;        /* coral accent */
  --accent-2: #25D366;      /* secondary green (kept for WhatsApp) */
  --muted: #6b7280;         /* muted gray */
  --card-shadow: 0 6px 14px rgba(11,37,69,0.06);
  --radius-sm: 8px;         /* slightly larger radii for modern feel */
  --radius-md: 12px;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
}

/* Base / Body */
html, body { height: 100%; }
body {
  font-family: 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  font-size: 16px;
}

/* Header */
header {
  background: var(--primary);
  color: #fff;
  padding: var(--space-md) calc(var(--space-lg) + 0.5rem);
  position: relative;
  z-index: 1000;
}
header nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
}
header ul {
  list-style: none;
  display: flex;
  gap: calc(var(--space-sm) + 0.5rem);
  align-items: center;
}
header a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
}
.logo {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.2px;
}

/* Mobile: hamburger & backdrop */
.menu-toggle {
  display: none;
  font-size: 1.6rem;
  cursor: pointer;
  color: #fff;
}
#menuClose {
  width: 100px;
  top: 5px ; left: 2px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.28s ease, visibility 0.28s;
  z-index: 998;

}

/* Hero */
.hero {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding: calc(var(--space-lg) + 0.5rem) var(--space-lg);
  color: #fff;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(11,37,69,0.06), transparent);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(11,37,69,0.9), rgba(255,107,97,0.06));
  background-size: 200% 200%;
  z-index: -1;
}
.hero-text {
  flex: 1;
  z-index: 1;
  min-width: 260px;
  padding-right: var(--space-lg);
}
.hero-text h2 {
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--bg);
  line-height: 1.06;
}
.hero-text p {
  margin: var(--space-sm) 0;
  color: var(--muted);
 
}

/* Hero image */
.hero-img {
  flex: 1;
  text-align: center;
  min-width: 100px;
}
.hero-img img {
  max-width: 100%;
  height: auto;
 
}

/* Buttons (consolidated and brand-aware) */
.btn, .whatsapp-btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  text-decoration: none;
  font-weight: 700;
  transition: background 0.18s ease, transform 0.12s ease;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: none;
}
.btn {
  background: var(--accent);
  color: #fff;
}
.btn:hover { background: #ff5a52; transform: translateY(-1px); }
.whatsapp-btn {
  background: var(--accent-2);
  color: #fff;
  border-radius: var(--radius-md);
}
.whatsapp-btn:hover { background: #20b858; transform: translateY(-1px); }

/* Sections */
section {
  padding: calc(var(--space-lg) - 0.25rem) var(--space-lg);
  text-align: center;
  min-height: 90vh;
}

/* Projects */
.projects {
  padding: calc(var(--space-lg) + 0.5rem) var(--space-lg);
  background: #ffffff;
}
.projects h2 {
  font-size: 1.9rem;
  margin-bottom: var(--space-xs);
  color: var(--primary);
}
.section-intro {
  color: var(--muted);
  margin-bottom: var(--space-md);
}
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
}
.project-card {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}
.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 24px rgba(11,37,69,0.08);
}
.project-card img {
  width: 100%;
  display: block;
  height: auto;
  object-fit: cover;
  filter: blur(2px);
}
.project-info {
  padding: 1.25rem;
  text-align: left;
}
.project-info h3 {
  margin-bottom: 0.5rem;
  color: var(--primary);
}
.project-info p {
  margin-bottom: 1rem;
  color: var(--muted);
}
.project-info .btn {
  background: var(--accent);
  color: #fff;
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
}

/* Contact */
.contact {
  padding: calc(var(--space-lg) + 0.5rem) var(--space-lg);
  background: linear-gradient(135deg, #fbfbfd, #f3f5f8);
}
.contact-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: flex-start;
  max-width: 1000px;
  margin: 0 auto;
}
.contact-info {
  flex: 1;
  
}
.contact-info h2 {
  font-size: 1.8rem;
  margin-bottom: var(--space-sm);
  color: var(--primary);
}
.contact-info p {
  margin-bottom: var(--space-md);
  color: var(--muted);
}
.contact-form {
  flex: 1;
  background: #fff;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--card-shadow);
}
.form-group { margin-bottom: var(--space-sm); }
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: var(--space-sm);
  border: 1px solid #e6e9ef;
  border-radius: 8px;
  font-size: 1rem;
  background: #fff;
  color: var(--text);
}
.contact-form textarea {
  min-height: 320px;
  resize: vertical;
}
.contact-form .btn {
  background: var(--primary);
  color: #fff;
  border-radius: 10px;
  padding: var(--space-sm) var(--space-md);
}
.contact-form .btn:hover { background: #0a213d; }

/* About */
.about {
  padding: calc(var(--space-lg) + 0.25rem) var(--space-lg);
  background: #fff;
}
.about-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md);
  max-width: 1100px;
  margin: 0 auto;
}
.about-text {
  flex: 1;
  min-width: 260px;
}
.about-text h2 {
  font-size: 1.9rem;
  margin-bottom: var(--space-sm);
  color: var(--primary);
}
.about-text p {
  margin-bottom: var(--space-md);
  color: var(--muted);
}
.values {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}
.value-card {
  flex: 1;
  min-width: 180px;
  background: #fbfbfd;
  padding: 1rem;
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(11,37,69,0.04);
}
.value-card h3 { margin-bottom: 0.5rem; color: var(--primary); }
.about-img {
  flex: 1;
  text-align: center;
}
.about-img img {
  max-width: 100%;
  height: auto;
}

/* Footer */
footer {
  background: var(--primary);
  color: #fff;
  text-align: center;
  padding: var(--space-sm);
  font-size: 0.95rem;
}

/* Responsive: tablet and below */
@media (max-width: 768px) {
  .menu-toggle { display: block; }
  #nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    height: 100%;
    width: 50%;
    background: rgba(11,37,69,0.5);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding: calc(var(--space-lg) + 0.5rem);
    transition: right 0.32s ease;
    z-index: 999;
    backdrop-filter: blur(8px);
  }
  #nav-links.show { right: 0; }
  #menuClose.show { opacity: 1; visibility: visible; }

  body { font-size: 15px; }
  header nav { flex-direction: row; gap: 0.5rem; }
  header ul { flex-direction: column; gap: var(--space-sm); }

  .hero { flex-direction: column; text-align: center; padding: var(--space-lg); }
  .hero-text h2 { font-size: 1.9rem; }
  .hero-img img { max-width: 72%; border-radius: 50%; margin-top: var(--space-sm); }

  .about-container, .contact-container { flex-direction: column; text-align: center; }
  .about-img img, .hero-img img { max-width: 72%; }

  .project-grid { grid-template-columns: 1fr; }
  .project-info { text-align: center; }

  .contact-form { width: 100%; margin-top: var(--space-sm); }
  footer { font-size: 0.85rem; padding: 0.6rem; }
}

/* Responsive: small phones */
@media (max-width: 480px) {
  .hero-text h2 { font-size: 1.6rem; }
  .btn, .whatsapp-btn { padding: 0.5rem 0.9rem; font-size: 0.95rem; }
  .project-card img { height: auto; }
  .contact-form input, .contact-form textarea { font-size: 0.95rem; padding: 0.6rem; }
  .hero-img img { max-width: 76%; }
  .about-img img{display: none;}
}