/* ==========================================
   1. GLOBAL VARIABLES & RESET
   ========================================== */
:root {
  --bg-color: #000000;
  --text-color: #ffffff;
  --text-muted: #8e8e93;
  --accent-color: #007aff; /* Apple Blue */
  --border-color: rgba(255, 255, 255, 0.1);
  --font-heading: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
  --transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: var(--font-body);
  overflow-x: hidden;
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Buttons */
.btn {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 12px 28px;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--accent-color);
  color: #ffffff;
  border: none;
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: #ffffff;
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: #ffffff;
  background-color: rgba(255, 255, 255, 0.05);
}

.btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  transform: none;
}

/* ==========================================
   2. NAVBAR
   ========================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 30px;
}

.logo-text {
  margin-top: 12px;
}

.nav-menu {
  display: flex;
  gap: 40px;
  list-style: none;
}

.nav-menu a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 400;
  text-decoration: none;
  transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
  color: #ffffff;
}

/* ==========================================
   3. HERO / HOME SECTION
   ========================================== */
.home {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
}

.hero-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 30px;
  width: 100%;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 10rem;
  font-weight: 700;
  line-height: 0.85;
  letter-spacing: -5px;
  text-transform: uppercase;
  margin-bottom: 60px;
}

.hero-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 500px;
}

.hero-actions {
  display: flex;
  gap: 20px;
}

/* ==========================================
   4. GENERAL SECTIONS
   ========================================== */
section {
  padding: 120px 0;
  border-bottom: 1px solid var(--border-color);
}

.section-heading {
  font-family: var(--font-heading);
  font-size: 4rem;
  font-weight: 700;
  letter-spacing: -2px;
  margin-bottom: 60px;
  text-transform: uppercase;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
}

.lead-text {
  font-size: 1.8rem;
  line-height: 1.4;
  color: #ffffff;
  margin-bottom: 30px;
}

.about-left p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.about-img-box img {
  width: 100%;
  border-radius: 12px;
  filter: grayscale(1);
  transition: var(--transition);
}

.about-img-box img:hover {
  filter: grayscale(0);
}

/* Services */
.services-list {
  display: flex;
  flex-direction: column;
}

.service-row {
  display: grid;
  grid-template-columns: 0.5fr 2fr 1fr;
  padding: 40px 0;
  border-top: 1px solid var(--border-color);
  align-items: center;
  transition: var(--transition);
}

.service-row:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

.service-num {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--text-muted);
}

.service-main h3 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  margin-bottom: 10px;
}

.service-main p {
  color: var(--text-muted);
  max-width: 500px;
}

.service-price {
  font-family: var(--font-heading);
  text-align: right;
  font-size: 1.2rem;
}

/* Projects */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.project-item {
  cursor: pointer;
}

.project-img {
  width: 100%;
  height: 500px;
  overflow: hidden;
  border-radius: 12px;
  margin-bottom: 20px;
}

.project-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.project-item:hover .project-img img {
  transform: scale(1.05);
}

.project-meta h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  margin-bottom: 5px;
}

.project-meta span {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}

.contact-info p {
  font-size: 1.4rem;
  color: var(--text-muted);
  margin-bottom: 30px;
}

.email-link {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  color: #ffffff;
  text-decoration: none;
  font-weight: 700;
  transition: var(--transition);
  border-bottom: 2px solid transparent;
}

.email-link:hover {
  color: var(--accent-color);
  border-bottom-color: var(--accent-color);
}

.social-links {
  display: flex;
  gap: 30px;
  margin-top: 40px;
}

.social-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 1rem;
  transition: var(--transition);
}

.social-links a:hover {
  color: #ffffff;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-color);
  padding: 15px 0;
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition);
}

.form-group textarea {
  height: 120px;
  resize: none;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-bottom-color: #ffffff;
}

/* Popups & Preloader */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 2000;
}

.popup {
  background: #111;
  padding: 40px;
  border-radius: 12px;
  width: 90%;
  max-width: 500px;
}

.popup-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}
.close-modal {
  cursor: pointer;
  font-size: 1.5rem;
}

.skill-item {
  margin-bottom: 20px;
}
.skill-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 5px;
}
.skill-bar {
  width: 100%;
  height: 2px;
  background: rgba(255, 255, 255, 0.1);
}
.skill-progress {
  height: 100%;
  background: var(--accent-color);
}

#preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000;
  z-index: 3000;
  display: flex;
  justify-content: center;
  align-items: center;
}
.loader-spinner {
  width: 30px;
  height: 30px;
  border: 2px solid rgba(255, 255, 255, 0.05);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Footer */
.footer {
  padding: 40px 0;
}
.footer-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-logo {
  font-family: var(--font-heading);
  font-weight: 700;
}
.footer-copy {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Responsiveness */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 6rem;
  }
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .projects-grid {
    grid-template-columns: 1fr;
  }
  .hero-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
}