/* ============================================
   UI/UX DESIGNER PORTFOLIO — Clean Minimal
   Colors: Purple #6c5ce7, Pink #fd79a8, 
           Teal #00cec9, Cream/White base
   Fonts: Outfit, DM Sans
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg-primary: #fafafa;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f5f3ff;
  --text-primary: #1a1a2e;
  --text-secondary: #64648c;
  --text-muted: #9a9ab8;
  --accent-primary: #6c5ce7;
  --accent-secondary: #fd79a8;
  --accent-teal: #00cec9;
  --accent-orange: #fdcb6e;
  --border-color: #e8e4f0;
  --gradient-primary: linear-gradient(135deg, #6c5ce7, #fd79a8);
  --gradient-soft: linear-gradient(135deg, #f5f3ff, #fef0f5);
  --shadow-soft: 0 4px 20px rgba(108, 92, 231, 0.08);
  --shadow-hover: 0 12px 40px rgba(108, 92, 231, 0.15);
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
}

[data-theme="dark"] {
  --bg-primary: #13111c;
  --bg-secondary: #1a1726;
  --bg-card: #1e1b2e;
  --bg-card-hover: #252238;
  --text-primary: #eae8f0;
  --text-secondary: #9a98b0;
  --text-muted: #6b6880;
  --border-color: #2e2b40;
  --gradient-soft: linear-gradient(135deg, #1a1726, #1e1b2e);
  --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 12px 40px rgba(108, 92, 231, 0.2);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background 0.4s ease, color 0.4s ease;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ── Navbar ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  background: rgba(250, 250, 250, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}
[data-theme="dark"] .navbar { background: rgba(19, 17, 28, 0.85); }
.navbar.scrolled { padding: 10px 0; box-shadow: var(--shadow-soft); }
.navbar .container { display: flex; align-items: center; justify-content: space-between; }

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 4px 0;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 50%; transform: translateX(-50%);
  width: 0; height: 3px;
  background: var(--gradient-primary);
  border-radius: 3px;
  transition: width 0.3s ease;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent-primary); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.theme-toggle {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 40px; height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
}
.theme-toggle:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 0 15px rgba(108, 92, 231, 0.2);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
  border-radius: 2px;
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  background: var(--gradient-soft);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(108, 92, 231, 0.1) 0%, transparent 70%);
  top: -100px; right: -100px;
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}
.hero::after {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(253, 121, 168, 0.08) 0%, transparent 70%);
  bottom: -50px; left: -50px;
  border-radius: 50%;
  animation: float 8s ease-in-out infinite reverse;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text { max-width: 520px; }
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(108, 92, 231, 0.08);
  border: 1px solid rgba(108, 92, 231, 0.15);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--accent-primary);
  margin-bottom: 24px;
  animation: fadeInDown 0.6s ease forwards;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: 0.2s;
  opacity: 0;
}
.hero h1 .gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: 0.4s;
  opacity: 0;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: 0.6s;
  opacity: 0;
}

.hero-visual {
  display: flex;
  justify-content: center;
  animation: fadeIn 1s ease forwards;
  animation-delay: 0.5s;
  opacity: 0;
}
.hero-mockup {
  width: 100%;
  max-width: 450px;
  aspect-ratio: 4/3;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-hover);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: float 5s ease-in-out infinite;
}
.mockup-dots {
  display: flex;
  gap: 6px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}
.mockup-dots span {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.mockup-dots span:nth-child(1) { background: #ff5f57; }
.mockup-dots span:nth-child(2) { background: #ffbd2e; }
.mockup-dots span:nth-child(3) { background: #28c840; }
.mockup-body {
  flex: 1;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.mockup-line {
  height: 12px;
  background: var(--border-color);
  border-radius: 6px;
}
.mockup-line:nth-child(1) { width: 60%; background: var(--gradient-primary); opacity: 0.3; }
.mockup-line:nth-child(2) { width: 80%; }
.mockup-line:nth-child(3) { width: 45%; }
.mockup-box {
  flex: 1;
  background: var(--gradient-soft);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  margin-top: 8px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}
.btn-primary {
  background: var(--gradient-primary);
  color: #ffffff;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(108, 92, 231, 0.35);
}
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}
.btn-secondary:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-3px);
}

/* ── Sections ── */
.section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-tag {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 12px;
  font-weight: 600;
}
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 16px;
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ── Portfolio / Case Studies ── */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 32px;
}

.portfolio-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}
.portfolio-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}
.portfolio-card:hover .card-image img {
  transform: scale(1.05);
}

.card-image {
  width: 100%;
  height: 240px;
  overflow: hidden;
  position: relative;
}
.card-image img,
.card-image .placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.card-image .placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.card-content {
  padding: 28px;
}
.card-category {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-primary);
  margin-bottom: 8px;
}
.card-content h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.card-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── Services ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
  position: relative;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--accent-primary);
}
.service-card .service-icon {
  width: 64px; height: 64px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-soft);
  border-radius: var(--radius);
  font-size: 1.8rem;
  transition: var(--transition);
}
.service-card:hover .service-icon {
  transform: scale(1.1);
}
.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  margin-bottom: 10px;
}
.service-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* ── About Grid ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-image .image-frame {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid var(--border-color);
  background: var(--gradient-soft);
  position: relative;
}
.about-image .image-frame img {
  width: 100%; height: 100%; object-fit: cover;
}
.about-text h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 16px;
}
.about-text p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}
.stat-item {
  text-align: center;
  padding: 20px;
  background: var(--gradient-soft);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}
.stat-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.stat-number {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size: 0.8rem; color: var(--text-secondary); margin-top: 4px; }

/* ── Process Timeline ── */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  counter-reset: step;
}
.process-step {
  text-align: center;
  position: relative;
  counter-increment: step;
}
.process-step::before {
  content: counter(step, decimal-leading-zero);
  display: block;
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.3;
  margin-bottom: 12px;
}
.process-step h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  margin-bottom: 8px;
}
.process-step p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ── Contact ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}
.contact-info h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 16px;
}
.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 32px;
}
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}
.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
}
.contact-item .icon {
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-soft);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 1.2rem;
  flex-shrink: 0;
}
.contact-item span { font-size: 0.95rem; color: var(--text-secondary); }

.social-links { display: flex; gap: 12px; }
.social-links a {
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  color: var(--text-secondary);
  font-size: 1.1rem;
  transition: var(--transition);
}
.social-links a:hover {
  color: #fff;
  background: var(--gradient-primary);
  border-color: transparent;
  transform: translateY(-3px);
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-weight: 500;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.1);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-status {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  margin-bottom: 16px;
  display: none;
}
.form-status.success { display: block; background: rgba(0, 206, 201, 0.1); border: 1px solid rgba(0, 206, 201, 0.3); color: var(--accent-teal); }
.form-status.error { display: block; background: rgba(253, 121, 168, 0.1); border: 1px solid rgba(253, 121, 168, 0.3); color: var(--accent-secondary); }
.btn-submit { width: 100%; padding: 16px; border-radius: 50px; }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; }

/* ── Page Header ── */
.page-header {
  padding: 140px 0 60px;
  background: var(--gradient-soft);
  text-align: center;
}
.page-header h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 12px;
}
.page-header p { color: var(--text-secondary); font-size: 1.05rem; }

/* ── Footer ── */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border-color);
  text-align: center;
}
.footer p { font-size: 0.85rem; color: var(--text-muted); }
.footer a { color: var(--accent-primary); }

/* ── Back to Top ── */
.back-to-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 48px; height: 48px;
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 999;
  box-shadow: 0 4px 15px rgba(108, 92, 231, 0.3);
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px); }

/* ── Animations ── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.active { opacity: 1; transform: translateY(0); }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 280px; height: 100vh;
    background: var(--bg-secondary);
    flex-direction: column;
    justify-content: center;
    padding: 40px;
    gap: 24px;
    border-left: 1px solid var(--border-color);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
  }
  .nav-links.active { right: 0; }
  .nav-links a { font-size: 1.1rem; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .hero-buttons { flex-direction: column; }
  .about-stats { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .contact-form { padding: 24px; }
  .section { padding: 60px 0; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .about-stats { grid-template-columns: 1fr; }
}