/* ============================================================
   Fast-Devs Project — Main Site Styles
   ============================================================ */

:root {
  --bg-primary: #080A0F;
  --bg-secondary: #0D1117;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.15);
  --text-primary: #F0F4FF;
  --text-secondary: #8B98B8;
  --text-muted: #4A5568;
  --accent-blue: #3B82F6;
  --accent-orange: #E86A33;
  --accent-cyan: #06B6D4;
  --accent-green: #10B981;
  --gradient-hero: linear-gradient(135deg, #3B82F6 0%, #E86A33 100%);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ——— Reset & Base ——— */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', system-ui, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ——— Utility ——— */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: clamp(1rem, 5vw, 2rem);
}

.section { padding-block: clamp(4rem, 8vw, 7rem); position: relative; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 1rem;
}

.section-label::before {
  content: '';
  width: 20px;
  height: 2px;
  background: var(--accent-blue);
  border-radius: 2px;
}

.section-label.orange { color: var(--accent-orange); }
.section-label.orange::before { background: var(--accent-orange); }

.section-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.7;
}

.gradient-text {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ——— NAV ——— */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  background: rgba(8, 10, 15, 0.85);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--text-primary); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 99px;
  background: var(--accent-blue);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  transition: opacity var(--transition), transform var(--transition);
}

.nav-cta:hover { opacity: 0.9; transform: scale(1.02); }

.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.nav-mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ——— HERO ——— */
.hero {
  min-height: 80svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 64px;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to bottom, transparent, var(--bg-primary));
  pointer-events: none;
  z-index: 1;
}

.hero-bg-orbs {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.2;
  animation: orb-float 8s ease-in-out infinite;
}

.orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #3B82F6, transparent 70%);
  top: -150px; left: -100px;
}
.orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #E86A33, transparent 70%);
  top: -50px; right: -80px;
  animation-delay: -3s;
}
.orb-3 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, #F59E0B, transparent 70%);
  bottom: -100px; left: 40%;
  animation-delay: -6s;
}

@keyframes orb-float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 2rem;
  padding-block: clamp(3rem, 8vw, 6rem);
}

.hero-logo {
  width: clamp(80px, 12vw, 120px);
  height: auto;
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 80px rgba(59,130,246,0.1);
  animation: hero-float 6s ease-in-out infinite;
}

.hero-banner {
  width: clamp(640px, 90vw, 1500px);
  height: auto;
  animation: hero-float 6s ease-in-out infinite;
}

@keyframes hero-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.hero-tagline {
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

/* ——— APP CARDS ——— */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.app-card {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
  overflow: hidden;
}

.app-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--app-gradient, var(--gradient-hero));
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.app-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.app-card-icon {
  width: 64px; height: 64px;
  border-radius: 16px;
  flex-shrink: 0;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.app-card-title {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.app-card-tagline {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.app-card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.app-card-platforms {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.app-platform-chip {
  padding: 3px 10px;
  border-radius: 99px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  font-size: 0.72rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.app-card-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: auto;
}

.btn-app {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 99px;
  font-size: 0.85rem;
  font-weight: 600;
  height: 40px;
  transition: all var(--transition);
}

.btn-app.primary {
  background: var(--accent-blue);
  color: white;
  box-shadow: 0 4px 16px rgba(59,130,246,0.25);
}
.btn-app.primary:hover { background: #2563EB; transform: translateY(-1px); }

.btn-app.secondary {
  border: 1px solid var(--border-hover);
  color: var(--text-primary);
}
.btn-app.secondary:hover { background: var(--bg-card-hover); transform: translateY(-1px); }

/* ——— BLOG ——— */
.blog-featured {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 640px) {
  .blog-featured {
    grid-template-columns: 1fr;
  }
}

.blog-card {
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  overflow: hidden;
}

.blog-card.featured .blog-card-img {
  width: 100%;
  height: auto;
  max-height: 320px;
  object-fit: cover;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.blog-card .blog-card-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.blog-card:not(.featured) {
  flex-direction: row;
  align-items: flex-start;
}

.blog-card:not(.featured) .blog-card-img {
  width: 120px;
  height: 90px;
  object-fit: cover;
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
  flex-shrink: 0;
}

.blog-card:not(.featured) .blog-card-body {
  padding: 1.25rem;
}

.blog-card-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.blog-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.blog-card-excerpt {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.blog-card-excerpt a {
  color: var(--accent-blue);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.blog-card-excerpt a:hover { color: var(--accent-orange); }

.blog-expand-wrap {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}

.blog-expand-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  align-self: flex-start;
  padding: 10px 20px;
  border-radius: 99px;
  border: 1px solid var(--border-hover);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 600;
  background: var(--bg-card);
  transition: all var(--transition);
  cursor: pointer;
}

.blog-expand-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-orange);
  color: var(--text-primary);
}

.blog-expand-icon {
  display: grid;
  place-items: center;
  transition: transform var(--transition);
}

.blog-expand-icon svg { width: 16px; height: 16px; }

.blog-expand-btn.open .blog-expand-icon {
  transform: rotate(180deg);
}

.blog-older {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 640px) {
  .blog-older {
    grid-template-columns: 1fr;
  }
}

/* Blog Modal */
.blog-modal {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
}

.blog-modal.open { display: flex; }

.blog-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.blog-modal-content {
  position: relative;
  width: 100%;
  max-width: 1100px;
  max-height: 97svh;
  overflow-y: auto;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: 0 40px 100px rgba(0,0,0,0.8);
}

.blog-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(8px);
  color: white;
  font-size: 1.2rem;
  display: grid;
  place-items: center;
  transition: background var(--transition);
  z-index: 2;
}

.blog-modal-close:hover { background: rgba(0,0,0,0.8); }

.blog-modal-img {
  width: 100%;
  max-height: 300px;
  object-fit: cover;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.blog-modal-img[src=""] { display: none; }

.blog-modal-body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.blog-modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.blog-modal-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.blog-modal-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.blog-modal-text p { margin-bottom: 1rem; }
.blog-modal-text p:last-child { margin-bottom: 0; }

.blog-modal-text a {
  color: var(--accent-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

.blog-modal-text a:hover { color: var(--accent-orange); }

.blog-empty {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
  font-size: 1rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  margin-top: 3rem;
}

/* ——— CONTACT FORM ——— */
.contact-form {
  max-width: 600px;
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.form-input,
.form-textarea {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.btn-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 99px;
  background: var(--gradient-hero);
  color: white;
  font-size: 1rem;
  font-weight: 700;
  border: none;
  transition: all var(--transition);
  box-shadow: 0 4px 24px rgba(59,130,246,0.25);
  align-self: flex-start;
}

.btn-submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 32px rgba(59,130,246,0.35);
}

.form-success {
  display: none;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.2);
  color: var(--accent-green);
  font-size: 0.9rem;
  font-weight: 600;
}

.form-success.visible { display: block; }

/* ——— EMAIL ALERT ——— */
.email-alert {
  position: fixed;
  inset: 0;
  z-index: 998;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.email-alert.visible {
  opacity: 1;
  pointer-events: auto;
  animation: alert-in-out 4s ease forwards;
}

@keyframes alert-in-out {
  0%   { opacity: 0; transform: translateY(16px); }
  10%  { opacity: 1; transform: translateY(0); }
  80%  { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(-8px); }
}

.email-alert-box {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 2rem;
  background: var(--bg-secondary);
  border: 1px solid rgba(16,185,129,0.3);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
  backdrop-filter: blur(20px);
}

.email-alert-icon {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(16,185,129,0.15);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  color: var(--accent-green);
}

.email-alert-icon svg { width: 24px; height: 24px; }

.email-alert-text {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ——— FOOTER ——— */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding-block: 3rem 2rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: start;
  margin-bottom: 2rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.footer-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  max-width: 400px;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--text-primary); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-social {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

/* ——— LANG SWITCHER ——— */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 2px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 2px;
}

.lang-btn {
  padding: 4px 10px;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  background: transparent;
  transition: background var(--transition), color var(--transition);
  cursor: pointer;
  border: none;
  line-height: 1;
}
.lang-btn:hover { color: var(--text-secondary); }
.lang-btn.active { background: var(--accent-blue); color: #fff; }

/* ——— RESPONSIVE ——— */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: rgba(8,10,15,0.97);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem;
    gap: 1.5rem;
    backdrop-filter: blur(20px);
  }
  .nav-cta { display: none; }
  .nav-mobile-toggle { display: flex; }

  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .apps-grid, .blog-grid { grid-template-columns: 1fr; }
}

/* ——— SCROLLBAR ——— */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

::selection {
  background: rgba(59,130,246,0.3);
  color: var(--text-primary);
}