/* ---------------------------------
   Colors & Theme
----------------------------------- */
:root {
  --bg: #ffffff;
  --surface: #f6f7f9;
  --text: #0b1220;
  --muted: #6b7280;
  --border: #e6e8ee;
  --primary: #1d7f8c;
  --accent: #e54848;
  --shadow: 0 10px 30px rgba(15,25,60,.08);
}

[data-theme="dark"] {
  --bg: #0d1117;
  --surface: #161b22;
  --text: #f5f6fa;
  --muted: #9ca3af;
  --border: #30363d;
  --shadow: 0 0 20px rgba(0,0,0,.4);
}

/* ---------------------------------
   Base
----------------------------------- */
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Poppins', system-ui, sans-serif;
  line-height: 1.7;
  letter-spacing: 0.2px;
  transition: background .4s, color .4s;
}
img { max-width:100%; border-radius:8px; display:block; }

/* ---------------------------------
   Loader
----------------------------------- */
#preloader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: grid;
  place-items: center;
  z-index: 9999;
  transition: opacity .6s ease, visibility .6s ease;
}
#preloader.hide { opacity:0; visibility:hidden; }
.loader {
  width:48px; height:48px;
  border:3px solid var(--border);
  border-top-color: var(--primary);
  border-radius:50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform:rotate(360deg); } }

/* ---------------------------------
   Header & Navigation
----------------------------------- */
header.site-header {
  position: sticky;
  top: 0; z-index: 50;
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 10px rgba(0,0,0,0.05);
  transition: all .3s ease;
}
[data-theme="dark"] header.site-header { background: rgba(13,17,23,0.75); }
header.scrolled {
  box-shadow: 0 2px 12px rgba(0,0,0,0.1);
  background: rgba(255,255,255,0.85);
}
[data-theme="dark"] header.scrolled { background: rgba(13,17,23,0.85); }

.nav-row {
  display:flex; align-items:center; justify-content:space-between;
  padding: 1.2rem 5%;
}
.brand {
  text-decoration:none; color:var(--text);
  font-weight:600; display:flex; align-items:center; gap:.6rem;
}
.logo-dot { width:10px; height:10px; border-radius:50%; background:var(--primary); }

.nav {
  margin-left:auto; display:flex; align-items:center; gap:1.5rem;
}
.nav a {
  text-decoration:none;
  color:var(--text);
  font-weight:500;
  transition:color .3s ease;
}
.nav a:hover, .nav a.active { color:var(--primary); }

/* Toggle buttons */
.nav-actions { display:flex; align-items:center; gap:1rem; }
.theme-toggle {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 50%;
  width: 40px; height: 40px;
  display: grid; place-items: center;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.theme-toggle:hover {
  background: var(--primary);
  color: #fff;
  transform: scale(1.05);
}
.nav-toggle {
  display:none; flex-direction:column; gap:4px;
  background:none; border:none; cursor:pointer;
}
.nav-toggle span { width:24px; height:2px; background:var(--text); }

/* ---------------------------------
   Hero
----------------------------------- */
.hero {
  text-align:center;
  padding:7rem 8%;
  background:linear-gradient(180deg,var(--bg) 0%,var(--surface) 100%);
}
.hero h1 { font-size:clamp(32px,5vw,48px); margin-bottom:1rem; }
.hero .lead { color:var(--muted); font-size:1.2rem; }
.hero-actions {
  margin-top:1.8rem;
  display:flex;
  justify-content:center;
  gap:1rem;
}

/* ---------------------------------
   Buttons & CTAs
----------------------------------- */
.btn, .btn-ghost {
  display:inline-block;
  padding:0.9rem 2rem;
  font-weight:600;
  border-radius:999px;
  border:2px solid var(--primary);
  transition: all 0.3s ease;
}
.btn {
  background: var(--primary);
  color:#fff;
  box-shadow: 0 4px 10px rgba(29,127,140,0.2);
}
.btn:hover {
  background: var(--accent);
  transform:translateY(-2px);
}
.btn-ghost {
  color: var(--primary);
  background: transparent;
}
.btn-ghost:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

/* CTA Layouts */
.cta-row {
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  gap:1rem;
  margin-top:2rem;
}
.cta-row h2 {
  font-size:1.8rem;
  font-weight:700;
  text-align:center;
}
.cta {
  background:linear-gradient(90deg,#f9f9f9,#ffffff);
  padding:4rem 1rem;
}

/* ---------------------------------
   Sections
----------------------------------- */
.section {
  padding:5rem 8%;
  max-width:1200px;
  margin:auto;
  transition:background .3s ease, color .3s ease;
}
.section-title {
  text-align:center;
  font-size:2rem;
  margin-bottom:2rem;
}
.section p {
  max-width:800px;
  margin:0 auto 1.2rem;
  line-height:1.7;
}
.cards {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:1.5rem;
}
.card {
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:16px;
  padding:2rem;
  box-shadow:var(--shadow);
  transition:transform .25s ease, box-shadow .25s ease;
}
.card:hover {
  transform:translateY(-5px);
  box-shadow:0 16px 40px rgba(15,25,60,.12);
}
.cards img {
  width:100%;
  border-radius:12px;
  margin-bottom:.8rem;
}

/* Subtle background for alternating sections */
.subtle {
  background:linear-gradient(180deg,#fafafa 0%,#fefefe 100%);
  padding:4rem 0;
}

/* ---------------------------------
   Contact Form
----------------------------------- */
.contact-form {
  max-width:600px;
  margin:0 auto;
  background:var(--surface);
  padding:2rem 2.5rem;
  border-radius:20px;
  box-shadow:0 4px 20px rgba(0,0,0,0.05);
}
.contact-form label {
  font-weight:600;
  color:var(--text);
  margin-bottom:0.3rem;
  display:block;
}
.contact-form input,
.contact-form textarea {
  width:100%;
  border:1.5px solid var(--border);
  border-radius:10px;
  padding:0.8rem;
  margin-bottom:1rem;
  font-size:1rem;
  transition:all 0.3s ease;
  background:#fff;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(29,127,140,0.1);
}
.contact-form button {
  display:block;
  width:100%;
  font-size:1rem;
  background:var(--primary);
  color:#fff;
  border:none;
  padding:1rem;
  border-radius:999px;
  cursor:pointer;
  transition:all 0.3s ease;
  box-shadow:0 4px 10px rgba(29,127,140,0.25);
}
.contact-form button:hover {
  background:var(--accent);
  transform:translateY(-2px);
}

/* Center contact details below form */
.section .reveal {
  text-align:center;
  font-size:1.05rem;
  line-height:1.6;
}

/* ===============================
   CONTACT INFO STYLING
   =============================== */
.contact-info {
  margin: 3rem auto 4rem;
  text-align: center;
  font-size: 1.1rem;
  color: var(--text);
  line-height: 1.8;
}

.contact-info a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

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

.contact-info p {
  margin: 0.4rem 0;
}

/* Add subtle icons and spacing */
.contact-info .info-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.contact-info .info-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.8rem 1.5rem;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.contact-info .info-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

/* Optional: icons */
.contact-info .info-item svg {
  width: 20px;
  height: 20px;
  margin-right: 8px;
  vertical-align: middle;
  fill: var(--primary);
}

/* ---------------------------------
   Floating Theme Button
----------------------------------- */
.floating-theme {
  position:fixed;
  bottom:25px; left:25px;
  background:var(--surface);
  border:1px solid var(--border);
  color:var(--text);
  width:44px; height:44px;
  border-radius:50%;
  box-shadow:0 4px 14px rgba(0,0,0,0.15);
  cursor:pointer;
  transition:all .3s ease;
  z-index:9999;
}
.floating-theme:hover {
  background:var(--primary);
  color:#fff;
  transform:scale(1.05);
}

/* ---------------------------------
   Footer
----------------------------------- */
footer.site-footer {
  background:var(--surface);
  color:var(--muted);
  text-align:center;
  padding:2rem;
  border-top:1px solid var(--border);
}

/* ---------------------------------
   Reveal Animation
----------------------------------- */
.reveal { opacity:0; transform:translateY(25px); transition:all .6s ease; }
.reveal.in { opacity:1; transform:none; }

/* ---------------------------------
   Responsive
----------------------------------- */
@media(max-width:768px){
  .nav { display:none; position:absolute; top:70px; right:10px; background:var(--surface); border-radius:12px; padding:1rem; box-shadow:var(--shadow); flex-direction:column; }
  .nav.open { display:flex; }
  .nav-toggle { display:flex; }
  .cta-row h2 { font-size:1.4rem; }
  .contact-form { padding:1.5rem; }
  .cards { grid-template-columns:1fr; }
}
/* ===============================
   ABOUT PAGE ENHANCEMENTS
   =============================== */
.about-hero {
  text-align: center;
  padding: 6rem 2rem;
  background: linear-gradient(to bottom, #f9fafb, #ffffff);
}
.about-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 1rem;
}
.about-hero p {
  color: var(--muted);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.6;
}

.about-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  margin: 5rem auto;
  max-width: 1100px;
  padding: 0 2rem;
}
.about-section img {
  width: 48%;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.06);
}
.about-section .about-text {
  flex: 1;
}
.about-section h2 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}
.about-section.reverse {
  flex-direction: row-reverse;
}
@media(max-width:768px){
  .about-section{flex-direction:column;}
  .about-section img{width:100%;}
}

/* Team Section */
.team-section {
  background: var(--surface);
  padding: 5rem 2rem;
  text-align: center;
}
.team-section .cards {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(260px,1fr));
  gap: 2rem;
  max-width: 1000px;
  margin: auto;
}
.team-section .card {
  transition: all .3s ease;
}
.team-section .card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(29,127,140,0.15);
}

/* Scroll Fade Animation */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: none;
}
/* ===============================
   PORTFOLIO PAGE STYLING
   =============================== */

.portfolio-grid .card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: left;
  padding: 2rem;
}
.portfolio-grid img {
  border-radius: 16px;
  margin-bottom: 1rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.portfolio-grid img:hover {
  transform: scale(1.03);
  box-shadow: 0 12px 30px rgba(0,0,0,0.08);
}
.project-card h3 {
  margin-bottom: 0.3rem;
}
.project-card p {
  margin-bottom: 1rem;
  color: var(--muted);
}

/* Testimonials */
.testimonials {
  max-width: 1000px;
  margin: auto;
  text-align: center;
}
.testimonials .card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 2rem;
  font-style: italic;
  transition: transform .25s ease;
}
.testimonials .card:hover {
  transform: translateY(-5px);
}
.testimonials strong {
  display: block;
  margin-top: 1rem;
  color: var(--text);
  font-style: normal;
}

/* Center CTA */
.cta {
  text-align: center;
  background: linear-gradient(90deg, #f9f9f9, #ffffff);
  padding: 4rem 1rem;
}
.cta-row h2 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}
.cta-row a {
  margin-top: 0.5rem;
}
/* ---------------------------------
   Dark Mode (Improved)
----------------------------------- */
[data-theme="dark"] {
  --bg: #0e1116;            /* Deep slate instead of black */
  --surface: #1a1f27;       /* Softer dark panels */
  --text: #e8eaed;          /* Light gray, not pure white */
  --muted: #a3a8b3;         /* Muted text for contrast */
  --border: #2b3139;        /* Softer border tone */
  --primary: #2eaadc;       /* Accent teal-blue */
  --accent: #e54848;        /* Keep red accent for CTAs */
  --shadow: 0 0 25px rgba(0,0,0,0.5);
}

/* Make headings readable */
[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] .section-title {
  color: #f4f5f7 !important;
  text-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

/* Cards & panels */
[data-theme="dark"] .card,
[data-theme="dark"] .contact-info .info-item,
[data-theme="dark"] .testimonials .card {
  background: #1a1f27;
  border-color: #2b3139;
  color: #e6e9ef;
  box-shadow: 0 10px 25px rgba(0,0,0,0.4);
}

/* Hero + Navbar adjustments */
[data-theme="dark"] .hero {
  background: linear-gradient(180deg, #0e1116 0%, #1a1f27 100%);
}
[data-theme="dark"] .nav a {
  color: #e8eaed;
}
[data-theme="dark"] .nav a:hover,
[data-theme="dark"] .nav a.active {
  color: var(--primary);
}

/* Footer */
[data-theme="dark"] footer.site-footer {
  background: #1a1f27;
  color: #b4b9c2;
}

/* Muted text */
[data-theme="dark"] p,
[data-theme="dark"] span,
[data-theme="dark"] li {
  color: #b9bec8;
}

/* Button tweaks for contrast */
[data-theme="dark"] .btn {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(46,170,220,0.3);
}
[data-theme="dark"] .btn:hover {
  background: #2187a8;
}



/* Responsive */
@media(max-width: 768px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
}