/* Reset & Variables */
*,
*::before,
*::after { box-sizing: border-box; }

:root {
  --bg-black: #020203;
  --bg-card: #121217;
  --bg-card-soft: #17171d;
  --accent-yellow: #ffd633;
  --accent-yellow-strong: #ffdf47;
  --text-white: #ffffff;
  --text-muted: #c7c7d0;
  --transition-fast: 0.2s ease-out;
  --transition-medium: 0.3s ease-out;
  --nav-height: 80px;
  --max-width: 1120px;
}

/* Base */
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-white);
  position: relative;
  background-color: var(--bg-black);
  background-image:
    linear-gradient(to right, rgba(255,214,51,0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,214,51,0.08) 1px, transparent 1px);
  background-size: 80px 80px, 80px 80px;
  background-position: center top;
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
  animation: gridDrift 18s linear infinite;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255,214,51,0.24) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,214,51,0.24) 1px, transparent 1px);
  background-size: 80px 80px, 80px 80px;
  background-position: 0 0, 0 0;
  mix-blend-mode: screen;
  opacity: 0.26;
  animation: gridGlowFlow 12s linear infinite;
}

/* Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #050507; }
::-webkit-scrollbar-thumb {
  background: var(--accent-yellow);
  border-radius: 6px;
}
::-webkit-scrollbar-thumb:hover { background: var(--accent-yellow-strong); }

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 999;
  backdrop-filter: blur(12px);
  background: linear-gradient(to bottom, rgba(0,0,0,0.9), rgba(0,0,0,0.2));
  background-color: transparent;
  transition: background-color var(--transition-medium), box-shadow var(--transition-medium);
}

.nav-inner {
  height: var(--nav-height);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 6vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: 0.04em;
  color: var(--text-white);
  text-decoration: none;
}
.logo span { color: var(--accent-yellow); }

.nav-links {
  display: flex;
  gap: 2.6rem;
  align-items: center;
}
.nav-link {
  position: relative;
  font-size: 0.98rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  padding-bottom: 6px;
  transition: color var(--transition-fast);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--accent-yellow);
  border-radius: 999px;
  transition: width 1.5s ease-out;
}
.nav-link:hover { color: var(--text-white); }
.nav-link:hover::after { width: 100%; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0,0,0,0.6);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.hamburger span {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--text-white);
  border-radius: 999px;
  margin: 0 auto;
  transition: transform var(--transition-medium), opacity var(--transition-fast), width var(--transition-fast);
}
.hamburger.open {
  background: rgba(0,0,0,0.9);
}
.hamburger.open span:nth-child(1) { transform: translateY(3.5px) rotate(45deg); width: 18px; }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-3.5px) rotate(-45deg); width: 18px; }

/* Sections */
.section {
  display: flex;
  align-items: center;
  padding: 48px 0 80px;
  scroll-margin-top: var(--nav-height);
}
.section-inner {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 6vw;
}
.section-header { text-align: center; margin-bottom: 3rem; }
.section-title { font-size: clamp(2.2rem, 3vw, 2.8rem); margin: 0; font-weight: 700; }
.section-title span { color: var(--accent-yellow); }

/* Animated underline */
.underline {
  width: 82px;
  height: 3px;
  background: var(--accent-yellow);
  border-radius: 999px;
  margin-top: 0.75rem;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 2s ease-out;
}
.underline.active { transform: scaleX(1); }
.underline.center { margin-left:auto;margin-right:auto; }

/* Hero Section - Optimized for all displays */
.hero-section {
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 0;
}

.hero-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(2rem, 5vw, 4rem);
  width: 100%;
}

.hero-text {
  flex: 1;
  max-width: 600px;
}

/* Improved typing effect with smooth cursor */
.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  margin: 0 0 0.35rem;
  line-height: 1.3;
  font-weight: 700;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.hero-greeting {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--accent-yellow);
  font-weight: 600;
  letter-spacing: 0.02em;
  opacity: 0;
  transform: translateY(-10px);
  animation: fadeInDown 0.6s 0.2s ease-out forwards;
}

.hero-name {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.typing-text {
  color: var(--text-white);
  opacity: 1;
}

.typing-cursor {
  color: var(--accent-yellow);
  font-weight: 300;
  animation: blink 0.7s step-end infinite;
}

.hero-subtitle {
  margin-top: 1.8rem;
  margin-bottom: 2.6rem;
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  line-height: 1.7;
  color: var(--text-muted);
}
.hero-subtitle span { color: var(--accent-yellow-strong); font-weight: 600; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 2.2rem;
  border-radius: 999px;
  border: none;
  text-decoration: none;
  cursor: pointer;
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: capitalize;
  transition: transform var(--transition-medium), box-shadow var(--transition-medium), background var(--transition-medium), color var(--transition-medium);
}
.primary-btn {
  background: var(--accent-yellow);
  color: #111;
  box-shadow: 0 12px 40px rgba(255,214,51,0.4);
}
.primary-btn:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 18px 60px rgba(255,214,51,0.55);
}
.secondary-btn {
  background: transparent;
  border: 1px solid rgba(255,214,51,0.7);
  color: var(--accent-yellow-strong);
  box-shadow: 0 10px 40px rgba(0,0,0,0.8);
}
.secondary-btn:hover {
  background: rgba(255,214,51,0.08);
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 18px 60px rgba(255,214,51,0.4);
}
.btn-icon { font-size: 1.05rem; }

/* Hero image wrapper - Improved glow animation */
.hero-image-wrapper {
  flex-shrink: 0;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.92) translateY(20px);
  animation: imageSlideIn 1s 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.glow-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: clamp(280px, 35vw, 420px);
  height: clamp(280px, 35vw, 420px);
  border-radius: 50%;
  background: radial-gradient(
    circle at center,
    rgba(255, 214, 51, 0.6) 0%,
    rgba(255, 214, 51, 0.4) 25%,
    rgba(255, 223, 71, 0.2) 50%,
    transparent 70%
  );
  filter: blur(20px);
  z-index: -1;
  animation: pulseGlow 1.5s ease-in-out infinite;
}

/* Hero image - Optimized sizing */
.hero-image {
  width: clamp(240px, 28vw, 360px);
  height: clamp(240px, 28vw, 360px);
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid rgba(255,255,255,0.04);
  box-shadow: 
    0 0 0 4px rgba(255,214,51,0.4),
    0 0 30px rgba(255,214,51,0.3),
    0 20px 55px rgba(0,0,0,0.9);
  position: relative;
  z-index: 1;
}

/* Keyframe Animations */
@keyframes fadeIn {
  to { opacity: 1; }
}

@keyframes fadeInDown {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

@keyframes fadeOutCursor {
  to { opacity: 0; visibility: hidden; }
}

@keyframes imageSlideIn {
  0% {
    opacity: 0;
    transform: scale(0.92) translateY(20px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes pulseGlow {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.7;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.1);
    opacity: 0.9;
  }
}

/* Card Grid */
.card-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1.8rem; }
.card { 
  background: radial-gradient(circle at top left,#202028,#111118);
  border-radius: 26px; padding:1.8rem 1.9rem;
  border:1px solid rgba(255,255,255,0.02);
  box-shadow:0 20px 50px rgba(0,0,0,0.85);
  transition: transform var(--transition-medium),box-shadow var(--transition-medium),border-color var(--transition-medium),background var(--transition-medium),opacity var(--transition-medium);
  opacity:0; transform:translateY(40px);
}
.card.active { opacity:1; transform:translateY(0); }
.card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow:0 26px 72px rgba(255,214,51,0.28);
  border-color: rgba(255,214,51,0.3);
  background: radial-gradient(circle at top left,#262632,#101016);
}
.card-title { margin:0.9rem 0 0.5rem; font-size:1.1rem; }
.card-text { margin:0; color:var(--text-muted); font-size:0.98rem; line-height:1.7; }
.service-card .card-icon {
  width:42px; height:42px; border-radius:18px;
  background: rgba(255,214,51,0.07); display:flex; align-items:center; justify-content:center;
  color: var(--accent-yellow-strong); font-size:1.15rem;
}

/* Projects */
.projects-card { 
  max-width:720px; 
  margin:0 auto; 
  text-align:center; 
  padding:2.4rem 2.8rem 2.6rem; 
  opacity:0; 
  transform:translateY(40px); 
  transition: opacity 0.7s ease-out, transform 0.7s ease-out, box-shadow 0.3s ease-out, border-color 0.3s ease-out;
}
.projects-card.active { opacity:1; transform:translateY(0); }
.projects-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 28px 76px rgba(255,214,51,0.25);
  border-color: rgba(255,214,51,0.25);
}
.projects-text { 
  margin:0 0 2rem; 
  font-size:1rem; 
  color:var(--text-muted);
  transition: color 0.3s ease-out;
}
.projects-card:hover .projects-text {
  color: var(--text-white);
}

/* Testimonials */
.testimonial-card { 
  max-width:900px; 
  margin:0 auto; 
  opacity:0; 
  transform:translateY(40px); 
  transition: opacity 0.7s ease-out, transform 0.7s ease-out, box-shadow 0.3s ease-out, border-color 0.3s ease-out;
}
.testimonial-card.active { opacity:1; transform:translateY(0); }
.testimonial-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 28px 76px rgba(255,214,51,0.25);
  border-color: rgba(255,214,51,0.25);
}
.testimonial-layout { 
  display:flex; 
  align-items:center; 
  gap:2.6rem; 
}
.testimonial-image-wrapper { 
  flex-shrink:0;
  transition: transform 0.3s ease-out;
}
.testimonial-card:hover .testimonial-image-wrapper {
  transform: scale(1.05);
}
.testimonial-image { 
  width:140px;
  height:140px;
  border-radius:50%;
  object-fit:cover;
  border:3px solid rgba(255,255,255,0.04);
  box-shadow:0 0 0 4px rgba(255,214,51,0.45),0 14px 45px rgba(0,0,0,0.9);
  transition: box-shadow 0.3s ease-out;
}
.testimonial-card:hover .testimonial-image {
  box-shadow:0 0 0 4px rgba(255,214,51,0.65),0 18px 55px rgba(255,214,51,0.3);
}
.testimonial-content { flex:1; }
.testimonial-quote { 
  margin:0 0 1.4rem; 
  font-size:1rem; 
  line-height:1.8; 
  color:var(--text-muted); 
  font-style:italic;
  transition: color 0.3s ease-out;
}
.testimonial-card:hover .testimonial-quote {
  color: var(--text-white);
}
.testimonial-name { 
  margin:0; 
  font-weight:600; 
  color:var(--accent-yellow-strong);
  transition: transform 0.3s ease-out;
  display: inline-block;
}
.testimonial-card:hover .testimonial-name {
  transform: translateX(4px);
}
.testimonial-role { 
  margin:0.15rem 0 0; 
  font-size:0.86rem; 
  color:var(--text-muted); 
}

/* Contact */
.contact-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
.contact-card { 
  text-align:center; 
  opacity:0; 
  transform:translateY(40px); 
  transition: opacity 0.7s ease-out, transform 0.7s ease-out, box-shadow 0.3s ease-out, border-color 0.3s ease-out;
}
.contact-card.active { opacity:1; transform:translateY(0); }
.contact-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 28px 76px rgba(255,214,51,0.25);
  border-color: rgba(255,214,51,0.25);
}
.contact-icon-circle { 
  width:56px;
  height:56px;
  border-radius:999px;
  margin:0 auto 1rem;
  background:radial-gradient(circle at 30% 0,#ffef9b,#ffd633);
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 0 0 4px rgba(255,214,51,0.5),0 18px 45px rgba(255,214,51,0.5);
  transition: transform 0.3s ease-out, box-shadow 0.3s ease-out;
}
.contact-card:hover .contact-icon-circle {
  transform: scale(1.1) rotate(5deg);
  box-shadow:0 0 0 6px rgba(255,214,51,0.7),0 22px 55px rgba(255,214,51,0.6);
}
.contact-icon { 
  color:#111; 
  font-weight:700; 
  font-size:1.1rem;
  transition: transform 0.3s ease-out;
}
.contact-card:hover .contact-icon {
  transform: scale(1.1);
}
.contact-title { 
  margin-bottom:0.6rem;
  transition: color 0.3s ease-out;
}
.contact-card:hover .contact-title {
  color: var(--accent-yellow-strong);
}
.contact-detail { 
  margin:0;
  color:var(--text-white); 
  font-weight:600;
  transition: transform 0.3s ease-out;
  display: inline-block;
}
.contact-card:hover .contact-detail {
  transform: translateY(-2px);
}
.contact-link { 
  display:inline-block; 
  margin:0; 
  color:var(--text-white); 
  font-weight:600; 
  font-size:0.96rem; 
  text-decoration:none; 
  border-bottom:1px solid transparent; 
  transition: color var(--transition-fast), border-color var(--transition-fast), transform 0.3s ease-out;
}
.contact-link:hover { 
  color:var(--accent-yellow-strong); 
  border-color: rgba(255,214,51,0.6);
  transform: translateY(-2px);
}

/* Grid Animations */
@keyframes gridDrift { 0%{background-position:0 0,0 0;}100%{background-position:80px 80px,80px 80px;} }
@keyframes gridGlowFlow {0%{opacity:0.18;background-position:0 0,0 0;}35%{opacity:0.42;background-position:30px 30px,30px 30px;}70%{opacity:0.55;background-position:60px 60px,60px 60px;}100%{opacity:0.2;background-position:80px 80px,80px 80px;}}

/* Responsive Design - Enhanced */
@media(max-width:1024px){
  .hero-layout { gap: 3rem; }
  .card-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .contact-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .testimonial-layout { gap: 2rem; }
}

@media(max-width:768px){
  :root { --nav-height: 70px; }
  
  .nav-inner { padding-inline: 5vw; }
  .nav-links {
    position: fixed;
    inset: var(--nav-height) 0 auto;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    background: rgba(1,1,3,0.98);
    backdrop-filter: blur(16px);
    padding: 1.8rem 5vw 2.4rem;
    flex-direction: column;
    gap: 1.4rem;
    align-items: flex-start;
    transition: transform var(--transition-medium), opacity var(--transition-medium);
  }
  .nav-links.active { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .hamburger { display: flex; }
  
  /* Hero optimization for tablet/mobile */
  .hero-section {
    min-height: auto;
    padding: 2rem 0 3rem;
  }
  
  .hero-layout {
    flex-direction: column-reverse;
    align-items: center;
    text-align: center;
    gap: 2.5rem;
  }
  
  .hero-text {
    text-align: center;
    max-width: 100%;
  }
  
  .hero-text .underline {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-title {
    justify-content: center;
    align-items: center;
  }
  
  .hero-name {
    justify-content: center;
  }
  
  .hero-subtitle {
    max-width: none;
  }
  
  .section { padding-top: 2rem; padding-bottom: 3rem; }
  .card-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .testimonial-layout { flex-direction: column; text-align: center; }
  .testimonial-content { text-align: center; }
  .testimonial-image { width: 132px; height: 132px; }
}

@media(max-width:480px){
  :root { --nav-height: 70px; }
  
  .nav-inner { padding-inline: 4vw; }
  .section-inner { padding-inline: 5vw; }
  
  /* Hero optimization for small mobile */
  .hero-section {
    padding: 1.5rem 0 2.5rem;
  }
  
  .hero-layout {
    gap: 2rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 0.96rem;
    margin-top: 1.5rem;
    margin-bottom: 2rem;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
    padding: 1rem 2rem;
  }
  
  .hero-image {
    width: 220px;
    height: 220px;
  }
  
  .glow-circle {
    width: 260px;
    height: 260px;
  }
}

/* Extra small devices */
@media(max-width:360px){
  .hero-image {
    width: 200px;
    height: 200px;
  }
  
  .glow-circle {
    width: 240px;
    height: 240px;
  }
  
  .hero-title {
    font-size: 2.2rem;
  }
}