/* ================================================
   DevResume AI — Main Stylesheet
   Palette: Deep Onyx / Pure Mist / Serene Blue / Urban Gray
   ================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

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

:root {
  /* ===== Core Palette ===== */
  --onyx:        #1E1E1E;   /* Deep Onyx — main background */
  --onyx-light:  #272727;   /* slightly lifted surface */
  --onyx-card:   #2E2E2E;   /* card / panel background */
  --mist:        #F5F5F5;   /* Pure Mist — primary text */
  --blue:        #95B2C4;   /* Serene Blue — accent / highlight */
  --blue-dark:   #7A9CB8;   /* deeper Serene Blue for hover */
  --gray:        #A0A0A0;   /* Urban Gray — secondary text */
  --gray-dim:    #6A6A6A;   /* dimmer gray for borders */
  --green:       #4ADE80;
  --red:         #F87171;

  /* ===== Semantic aliases ===== */
  --bg:          var(--onyx);
  --bg2:         var(--onyx-light);
  --canvas:      var(--onyx-card);
  --ink:         var(--mist);
  --ink2:        var(--gray);
  --rose:        var(--blue);
  --rose-dark:   var(--blue-dark);
  --indigo:      var(--blue);
  --line:        var(--gray-dim);

  /* Back-compat aliases */
  --navy:        var(--onyx);
  --navy2:       var(--onyx-light);
  --navy3:       var(--onyx-card);
  --cyan:        var(--blue);
  --white:       var(--mist);
  --slate:       var(--gray);
  --slate2:      #C8C8C8;
  --border:      var(--gray-dim);

  /* ===== Dark Glass tokens ===== */
  --card-bg:              rgba(46, 46, 46, 0.72);
  --glass-bg:             rgba(38, 38, 38, 0.60);
  --glass-bg-strong:      rgba(42, 42, 42, 0.88);
  --glass-border:         rgba(149, 178, 196, 0.12);
  --glass-border-bright:  rgba(149, 178, 196, 0.28);
  --glass-highlight:      rgba(149, 178, 196, 0.18);
  --glass-shadow:         0 8px 32px rgba(0, 0, 0, 0.45), 0 1.5px 0 rgba(149,178,196,0.10) inset;
  --glass-blur:           blur(22px);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* ===== Ambient gradient orbs ===== */
.bg-orbs {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden;
}
.bg-orb {
  position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.18;
  animation: orbFloat 18s ease-in-out infinite alternate;
}
.bg-orb.o1 { width: 520px; height: 520px; top: -10%; left: -8%; background: radial-gradient(circle, #95B2C4, transparent 70%); animation-duration: 22s; }
.bg-orb.o2 { width: 480px; height: 480px; top: 30%; right: -10%; background: radial-gradient(circle, #A0A0A0, transparent 70%); opacity: 0.10; animation-duration: 26s; animation-delay: -6s; }
.bg-orb.o3 { width: 420px; height: 420px; bottom: -12%; left: 20%; background: radial-gradient(circle, #7A9CB8, transparent 70%); opacity: 0.14; animation-duration: 20s; animation-delay: -3s; }
.bg-orb.o4 { width: 360px; height: 360px; bottom: 10%; right: 15%; background: radial-gradient(circle, #95B2C4, transparent 70%); opacity: 0.12; animation-duration: 24s; animation-delay: -10s; }
@keyframes orbFloat {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, -30px) scale(1.08); }
  100% { transform: translate(-30px, 20px) scale(0.96); }
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; }
input, textarea, select { font-family: inherit; }

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--onyx-light); }
::-webkit-scrollbar-thumb { background: rgba(149,178,196,0.30); border-radius: 3px; }

/* ===== Stars (re-enabled for dark theme) ===== */
#stars { display: block; position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.star {
  position: absolute; background: var(--mist); border-radius: 50%;
  animation: twinkle var(--d) ease-in-out infinite alternate;
}
@keyframes twinkle {
  0% { opacity: 0.05; transform: scale(1); }
  100% { opacity: 0.45; transform: scale(1.3); }
}
.grid-bg {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(rgba(149,178,196,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(149,178,196,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* ===== Typography ===== */
h1, h2, h3, h4, .font-grotesk { font-family: 'Space Grotesk', sans-serif; }
.font-mono { font-family: 'JetBrains Mono', monospace; }

.gradient-text {
  background: linear-gradient(135deg, var(--blue), #C5D9E8, var(--blue-dark));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* ===== Navbar ===== */
nav {
  position: fixed; top: 14px; left: 14px; right: 14px; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.85rem 1.75rem;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur) saturate(160%);
  -webkit-backdrop-filter: var(--glass-blur) saturate(160%);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  box-shadow: var(--glass-shadow);
}
nav::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-highlight), transparent);
  border-radius: 18px 18px 0 0;
}
.logo {
  font-family: 'Space Grotesk', sans-serif; font-size: 1.4rem; font-weight: 700;
  display: flex; align-items: center; gap: 8px; color: var(--mist);
}
.logo-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--blue);
  box-shadow: 0 0 12px var(--blue); animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 12px var(--blue); }
  50% { opacity: 0.5; box-shadow: 0 0 4px var(--blue); }
}
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a {
  color: var(--gray); font-size: 0.9rem; font-weight: 500; transition: color 0.2s;
}
.nav-links a:hover { color: var(--blue); }
.nav-actions { display: flex; align-items: center; gap: 0.75rem; }

@media (max-width: 768px) {
  .nav-links { display: none; }
  nav { padding: 0.75rem 1.1rem; left: 8px; right: 8px; top: 8px; }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 0.8rem 1.75rem; border-radius: 14px; font-size: 0.95rem; font-weight: 600;
  transition: all 0.25s cubic-bezier(.2,.8,.2,1); white-space: nowrap;
  position: relative; overflow: hidden;
}
.btn::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 50%;
  background: linear-gradient(180deg, rgba(255,255,255,0.08), transparent);
  border-radius: 14px 14px 0 0; pointer-events: none;
}
.btn-primary {
  background: linear-gradient(135deg, rgba(149,178,196,0.92), rgba(122,156,184,0.92));
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(245,245,245,0.15);
  color: var(--onyx);
  box-shadow: 0 4px 20px rgba(149,178,196,0.30), 0 1px 0 rgba(255,255,255,0.12) inset;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 36px rgba(149,178,196,0.45), 0 1px 0 rgba(255,255,255,0.18) inset; }
.btn-cyan {
  background: rgba(30,30,30,0.80);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1.5px solid var(--blue);
  color: var(--blue); font-weight: 700;
  box-shadow: 0 4px 16px rgba(149,178,196,0.14), 0 1px 0 rgba(149,178,196,0.08) inset;
}
.btn-cyan:hover { transform: translateY(-2px); background: rgba(149,178,196,0.08); box-shadow: 0 10px 30px rgba(149,178,196,0.22); }
.btn-ghost {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
  color: var(--mist); border: 1px solid var(--glass-border);
  box-shadow: 0 2px 12px rgba(0,0,0,0.25), 0 1px 0 rgba(149,178,196,0.08) inset;
}
.btn-ghost:hover { border-color: var(--glass-border-bright); background: var(--glass-bg-strong); transform: translateY(-2px); }
.btn-sm { padding: 0.55rem 1.1rem; font-size: 0.8rem; border-radius: 11px; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none !important; }

/* ===== Cards ===== */
.card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur) saturate(140%);
  -webkit-backdrop-filter: var(--glass-blur) saturate(140%);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: var(--glass-shadow);
  position: relative;
  transition: all 0.35s cubic-bezier(.2,.8,.2,1);
}
.card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-highlight) 50%, transparent);
  border-radius: 20px 20px 0 0;
  opacity: 0.8;
}
.card-hover:hover {
  border-color: var(--glass-border-bright);
  background: var(--glass-bg-strong);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.55), 0 1.5px 0 rgba(149,178,196,0.15) inset;
}
.card::after {
  content: '';
  position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(149,178,196,0.07), transparent 55%);
  opacity: 0; transition: opacity 0.4s;
}
.card-hover:hover::after { opacity: 1; }

/* ===== Forms ===== */
.label {
  color: var(--gray); font-size: 0.75rem; text-transform: uppercase;
  letter-spacing: 1px; margin-bottom: 6px; display: block; font-family: 'JetBrains Mono', monospace;
}
.input-field {
  width: 100%; background: rgba(30,30,30,0.85);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--gray-dim);
  color: var(--mist); border-radius: 12px; padding: 0.75rem 1rem;
  font-family: 'JetBrains Mono', monospace; font-size: 0.85rem; outline: none;
  transition: all 0.25s;
  box-shadow: 0 1px 0 rgba(149,178,196,0.05) inset;
}
.input-field:focus {
  border-color: var(--blue);
  background: rgba(30,30,30,0.97);
  box-shadow: 0 0 0 3px rgba(149,178,196,0.14), 0 1px 0 rgba(149,178,196,0.08) inset;
}
.input-field::placeholder { color: #666; }
textarea.input-field { resize: vertical; line-height: 1.6; }

/* ===== Section helpers ===== */
.section { padding: 6rem 3rem; position: relative; z-index: 1; max-width: 1100px; margin: 0 auto; }
.section-eyebrow {
  font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; color: var(--blue);
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: 1rem;
}
.section-title { font-family: 'Space Grotesk', sans-serif; font-size: clamp(1.8rem, 3vw, 2.8rem); font-weight: 700; margin-bottom: 1rem; color: var(--mist); }
.section-sub { color: var(--gray); font-size: 1rem; max-width: 520px; margin-bottom: 3rem; }

@media (max-width: 768px) {
  .section { padding: 4rem 1.25rem; }
}

/* ===== Footer ===== */
footer {
  text-align: center; padding: 3rem; border-top: 1px solid rgba(149,178,196,0.10);
  position: relative; z-index: 1; color: var(--gray); font-size: 0.85rem;
}
footer .foot-logo { font-family: 'Space Grotesk', sans-serif; font-size: 1.1rem; font-weight: 700; color: var(--mist); margin-bottom: 0.5rem; }

/* ===== Toast notifications ===== */
#toast-container {
  position: fixed; top: 90px; right: 24px; z-index: 9999;
  display: flex; flex-direction: column; gap: 10px;
}
.toast {
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur) saturate(160%); -webkit-backdrop-filter: var(--glass-blur) saturate(160%);
  border: 1px solid var(--glass-border-bright); border-radius: 14px;
  padding: 0.9rem 1.2rem; font-size: 0.85rem; color: var(--mist);
  display: flex; align-items: center; gap: 10px; min-width: 260px;
  box-shadow: var(--glass-shadow);
  animation: slideInRight 0.3s ease, fadeOut 0.3s ease 2.7s forwards;
}
.toast.success { border-color: rgba(74,222,128,0.35); }
.toast.error { border-color: rgba(248,113,113,0.35); }
@keyframes slideInRight { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes fadeOut { to { opacity: 0; transform: translateX(20px); } }

/* ===== Animations ===== */
.animate-fade-in { animation: fadeIn 0.5s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.animate-slide-up { animation: slideUp 0.4s ease; }
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.cursor-blink {
  display: inline-block; width: 2px; height: 1em; background: var(--blue);
  vertical-align: text-bottom; animation: blink 1s step-end infinite; margin-left: 1px;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* ===== Modal overlay ===== */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200; background: rgba(0,0,0,0.65);
  backdrop-filter: blur(6px); display: flex; align-items: center; justify-content: center;
}
.modal-overlay.hidden { display: none; }
.modal-box {
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur) saturate(160%); -webkit-backdrop-filter: var(--glass-blur) saturate(160%);
  border: 1px solid var(--glass-border-bright); border-radius: 22px;
  box-shadow: var(--glass-shadow);
  padding: 1.75rem; max-width: 500px; width: 92%; max-height: 85vh; overflow-y: auto;
}
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 200;
  width: 100%; max-width: 440px;
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-blur) saturate(160%); -webkit-backdrop-filter: var(--glass-blur) saturate(160%);
  border-left: 1px solid var(--glass-border-bright);
  box-shadow: -8px 0 40px rgba(0,0,0,0.5);
  overflow-y: auto; padding: 1.75rem;
}
.drawer.hidden { display: none; }
.drawer-backdrop {
  position: fixed; inset: 0; z-index: 199; background: rgba(0,0,0,0.55); backdrop-filter: blur(3px);
}
.drawer-backdrop.hidden { display: none; }

/* spinner */
.spinner {
  width: 14px; height: 14px; border: 2px solid rgba(149,178,196,0.25);
  border-top-color: var(--blue); border-radius: 50%; animation: spin 0.7s linear infinite; display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }