/* 
  ── PORTFOLIO DESIGN SYSTEM ── 
  A modern, professional CSS architecture organized by 
  Base, Components, Sections, and Responsiveness.
*/

:root {
  /* Colors */
  --color-red: #ff0000;
  --color-red-dark: #cc0000;
  --color-red-glow: rgba(255, 0, 0, 0.15);
  --color-bg: #0a0a0a;
  --color-bg-alt: #080808;
  --color-text: #ffffff;
  --color-muted: rgba(255, 255, 255, 0.45);
  --color-border: rgba(255, 255, 255, 0.07);
  --color-card-bg: rgba(255, 255, 255, 0.03);
  --color-glass: rgba(255, 255, 255, 0.05);

  /* Breakpoints (Standardized) */
  --bp-md: 768px;
  --bp-lg: 1024px;

  /* Fluid Spacing & Sizing */
  --space-unit: 8px;
  --nav-height: 72px;
  --section-padding: clamp(60px, 10vh, 120px) 5%;
  --container-width: 1200px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.3s cubic-bezier(0.23, 1, 0.32, 1);
  --transition-glass: 0.5s cubic-bezier(0.19, 1, 0.22, 1);

  /* Layers */
  --z-nav: 1000;
  --z-mobile-menu: 999;
  --z-pill: 0;
}

/* ── 1. BASE & RESET ── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
}

/* ── 2. SCROLLBAR ── */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--color-red);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-red-dark);
}

/* ── 3. LAYOUT COMPONENTS ── */

/* Navbar */
header {
  position: fixed;
  top: 20px;
  left: 0;
  right: 0;
  padding: 0 20px;
  z-index: var(--z-nav);
  background: transparent;
  pointer-events: none;
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px clamp(24px, 4vw, 40px);
  max-width: var(--container-width);
  margin: 0 auto;
  background: rgba(10, 10, 10, 0.7);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  pointer-events: auto;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.logo {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.logo span {
  color: var(--color-red);
}

#navlinks {
  position: relative;
}

.nav-list {
  display: flex;
  gap: 4px;
}

.navlink {
  position: relative;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-muted);
  cursor: pointer;
  border-radius: 50px;
  transition: color var(--transition-fast);
  z-index: 1;
  border: none;
  background: transparent;
}

.navlink.active {
  color: var(--color-text);
}
.navlink:hover {
  color: rgba(255, 255, 255, 0.75);
}

/* Glass Pill Indicator */
#glass-pill {
  position: absolute;
  top: -3px;
  height: calc(100% + 6px);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow:
    0 8px 24px rgba(0, 0, 0, 0.5),
    inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  border-radius: 9999px;
  pointer-events: none;
  z-index: var(--z-pill);
  will-change: left, width;
  transition:
    left var(--transition-glass),
    width var(--transition-glass);
}

/* Right Action Area */
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hire-btn {
  background: var(--color-red);
  color: #fff;
  border: none;
  padding: 11px 26px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition:
    background var(--transition-fast),
    transform 0.15s;
}
.hire-btn:hover {
  background: var(--color-red-dark);
  transform: scale(1.03);
}

/* Mobile Toggle */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s;
}

/* Mobile Menu Overlay */
#mobile-menu {
  display: none;
  position: fixed;
  top: 85px;
  left: 20px;
  right: 20px;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  padding: 16px 24px;
  z-index: var(--z-mobile-menu);
  pointer-events: auto;
}
#mobile-menu.open {
  display: flex;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 100%;
}

.mobile-link {
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-muted);
  border-radius: 10px;
  cursor: pointer;
  border: none;
  background: none;
  text-align: left;
  transition: var(--transition-fast);
}
.mobile-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

/* ── 4. GENERAL SECTION STYLES ── */
section {
  padding: var(--section-padding);
  max-width: var(--container-width);
  margin: 0 auto;
}

.label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-red);
  margin-bottom: 16px;
}

.title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.1;
  margin-bottom: 16px;
}
.title span {
  color: var(--color-red);
}

/* ── 5. SPECIFIC SECTIONS ── */

/* Hero */
#home {
  padding-top: 160px;
}


.hero-title {
  font-size: clamp(40px, 6vw, 78px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
}
.hero-title span {
  color: var(--color-red);
}

.cursor {
  display: inline-block;
  background-color: var(--color-red);
  margin-left: 0.1rem;
  width: 3px;
  height: 1.1em;
  vertical-align: middle;
  animation: blink 1s infinite;
}

.cursor.typing {
  animation: none;
}

@keyframes blink {
  0% {
    opacity: 1;
  }
  49% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
  99% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

.hero-sub {
  font-size: 17px;
  color: var(--color-muted);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 40px;
}

.btn-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--color-red);
  color: #fff;
  border: none;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition:
    background var(--transition-fast),
    transform var(--transition-fast);
}
.btn-primary:hover {
  background: var(--color-red-dark);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition:
    border-color var(--transition-fast),
    transform var(--transition-fast);
}
.btn-outline:hover {
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--color-border);
}
.stat h3 {
  font-size: 32px;
  font-weight: 800;
}
.stat h3 span {
  color: var(--color-red);
}
.stat p {
  font-size: 13px;
  color: var(--color-muted);
  margin-top: 4px;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-top: 40px;
}
.about-text {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.85;
}
.about-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.glass-card {
  background: var(--color-card-bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 22px 24px;
}
.glass-card h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}
.glass-card p {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.service-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 32px 28px;
  transition: var(--transition-smooth);
}
.service-card:hover {
  background: rgba(255, 0, 0, 0.04);
  border-color: rgba(255, 0, 0, 0.3);
  transform: translateY(-4px);
}
.svc-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(255, 0, 0, 0.1);
  border: 1px solid rgba(255, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 22px;
}
.service-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
}
.service-card p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
}

/* Projects */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.project-card {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-card-bg);
  transition: var(--transition-smooth);
}
.project-card:hover {
  border-color: rgba(255, 0, 0, 0.4);
  transform: translateY(-4px);
}
.project-img {
  height: 200px;
  position: relative;
  overflow: hidden;
  background: var(--color-bg-alt);
}

.project-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.project-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    rgba(0, 0, 0, 0.4) 100%
  );
  opacity: 0.8;
  transition: opacity var(--transition-smooth);
}

.project-card:hover .project-img img {
  transform: scale(1.1);
}

.project-card:hover .project-img::after {
  opacity: 1;
}
.project-info {
  padding: 24px;
}
.project-info h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}
.project-info p {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 12px;
}
.tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.tag {
  font-size: 11px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Contact */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  margin-top: 48px;
  align-items: start;
}
.contact-info h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
}
.contact-info p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 28px;
}
.contact-detail {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.contact-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255, 0, 0, 0.1);
  border: 1px solid rgba(255, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.contact-detail span {
  font-size: 14px;
  color: var(--color-muted);
}

.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 13px 16px;
  color: #fff;
  font-size: 14px;
  outline: none;
  transition: border-color var(--transition-fast);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: rgba(255, 0, 0, 0.5);
}
.form-group textarea {
  min-height: 110px;
  resize: vertical;
}
.form-group select option {
  background: #1a1a1a;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
#success-msg {
  display: none;
  margin-top: 12px;
  color: #4ade80;
  font-size: 14px;
  text-align: center;
}

/* ── 6. FOOTER ── */
footer {
  border-top: 2px solid var(--color-red);
  background: var(--color-bg-alt);
  padding: 64px 5% 32px;
  margin-top: 60px;
}
.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.3);
  line-height: 1.7;
  margin-top: 12px;
  max-width: 220px;
}
.footer-col h4 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.3);
  margin-bottom: 16px;
}

.footer-links a {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 10px;
  cursor: pointer;
  transition: color var(--transition-fast);
}
.footer-links a:hover {
  color: #fff;
}
.footer-links a.red:hover {
  color: #ff6666;
}

.social-row {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}
.social-btn {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  cursor: pointer;
  color: var(--color-muted);
  transition: all var(--transition-fast);
}
.social-btn:hover {
  border-color: rgba(255, 0, 0, 0.4);
  background: rgba(255, 0, 0, 0.08);
  color: #fff;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.2);
}

/* ── 7. RESPONSIVENESS (Desktop-First) ── */

/* Tablets & Mobile */
@media (max-width: 768px) {
  /* Navigation */
  #navlinks {
    display: none;
  }
  .hamburger {
    display: flex;
  }

  /* Section Spacing */
  section {
    padding: 80px 24px 60px;
  }
  #home {
    padding: 120px 24px 60px;
  }

  /* Grid Layouts */
  .about-grid,
  .contact-wrap,
  .projects-grid,
  .services-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 24px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  /* Footer */
  footer {
    padding: 48px 24px 24px;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

/* Small Phones */
@media (max-width: 480px) {
  h1.hero-title {
    letter-spacing: -1px;
    font-size: 32px;
  }
  .hero-stats {
    gap: 16px;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
}