/* ============================================================
   VEBLOOM — Global Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');
/* ── CSS Custom Properties ── */
:root {
  /* Colors - Professional Light Theme */
  --bg:          #f8fafc;
  --surface:     #ffffff;
  --card:        #ffffff;
  --card-hover:  #f1f5f9;
  --accent:      #6366f1;
  --accent-light:#818cf8;
  --accent-glow: rgba(99, 102, 241, 0.1);
  --accent-glow2:rgba(129, 140, 248, 0.05);
  --text:        #0f172a;
  --text-muted:  #475569;
  --text-dim:    #94a3b8;
  --border:      #e2e8f0;
  --border-light:#f1f5f9;
  --success:     #10b981;
  --warning:     #f59e0b;
  --error:       #ef4444;
  --info:        #3b82f6;

  /* Gradients */
  --grad-primary:    linear-gradient(135deg, #6366f1, #818cf8);
  --grad-hero:       linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
  --grad-card:       linear-gradient(145deg, #ffffff, #f8fafc);
  --grad-text:       linear-gradient(135deg, #0f172a, #6366f1);
  --grad-border:     linear-gradient(135deg, #e2e8f0, #cbd5e1);

  /* Typography */
  --font-body:    'Poppins', sans-serif;
  --font-display: 'Poppins', sans-serif;

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Border Radius */
  --radius-sm:  0.375rem;
  --radius-md:  0.75rem;
  --radius-lg:  1rem;
  --radius-xl:  1.5rem;
  --radius-2xl: 2rem;
  --radius-full: 9999px;

  /* Shadows - Refined for Light Theme */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.05);
  --shadow-md:  0 10px 15px -3px rgba(0,0,0,0.04), 0 4px 6px -2px rgba(0,0,0,0.02);
  --shadow-lg:  0 20px 25px -5px rgba(0,0,0,0.05), 0 10px 10px -5px rgba(0,0,0,0.02);
  --shadow-xl:  0 25px 50px -12px rgba(0,0,0,0.08);
  --shadow-accent: 0 4px 12px var(--accent-glow);
  --shadow-card: 0 4px 20px rgba(0,0,0,0.03);

  /* Transitions - Snappier & Smoother */
  --transition: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --max-width: 1280px;
  --nav-height: 80px;
}

/* ── Reset & Base ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input, textarea, select {
  font-family: inherit;
}

/* ── Custom Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--accent-light); }

::selection { background: var(--accent); color: #fff; }

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p { color: var(--text-muted); line-height: 1.75; }

/* ── Layout Utilities ── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-24) 0;
}

.section-sm {
  padding: var(--space-16) 0;
}

.grid { display: grid; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }

/* ── Gradient Text ── */
.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.8rem 2rem;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 12px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}

.btn-outline:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px var(--accent-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
}

.btn-ghost:hover {
  background: var(--border-light);
  color: var(--accent);
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
}

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.875rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--accent-glow2);
  color: var(--accent-light);
  border: 1px solid rgba(168,85,247,0.3);
}

/* ── Cards ── */
.card {
  background: var(--grad-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: var(--transition);
}

.card:hover {
  border-color: var(--border-light);
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}

.card-glow:hover {
  box-shadow: 0 8px 32px var(--accent-glow), var(--shadow-card);
  border-color: rgba(124, 58, 237, 0.4);
}

/* ── Section Header ── */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-16);
}

.section-header .badge {
  margin-bottom: var(--space-4);
}

.section-header h2 {
  margin-bottom: var(--space-4);
}

.section-header p {
  font-size: 1.1rem;
}

/* ── Divider ── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-light), transparent);
  margin: var(--space-16) 0;
}

/* ── Glow Orbs (background decorations) ── */
.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.glow-orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(124,58,237,0.15) 0%, transparent 70%);
  top: -200px;
  right: -200px;
}

.glow-orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(168,85,247,0.1) 0%, transparent 70%);
  bottom: -100px;
  left: -100px;
}

/* ── Form Elements ── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
}

.form-input {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
  width: 100%;
}

.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow2);
}

.form-input::placeholder { color: var(--text-dim); }

textarea.form-input {
  resize: vertical;
  min-height: 120px;
}

/* ── Tags ── */
.tag {
  display: inline-block;
  padding: 0.2rem 0.7rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  background: rgba(124,58,237,0.15);
  color: var(--accent-light);
  border: 1px solid rgba(124,58,237,0.25);
}

/* ── Animation Keyframes ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to   { opacity: 1; transform: scale(1); }
}

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

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px var(--accent-glow); }
  50%       { box-shadow: 0 0 40px var(--accent-glow), 0 0 80px var(--accent-glow2); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50%       { background-position: 100% 50%; }
}

/* ── Scroll Reveal (JS-powered) ── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1.5s cubic-bezier(0.22, 1, 0.36, 1), transform 1.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ── Border Draw Animation ── */
.border-draw {
  position: relative;
}

.border-draw::after {
  content: '';
  position: absolute;
  inset: -1px;
  border: 2px solid var(--accent);
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  z-index: 2;
  clip-path: polygon(0 0, 0 0, 0 0, 0 0, 0 0);
}

.border-draw:hover::after {
  opacity: 1;
  animation: snakeDraw 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes snakeDraw {
  0%   { clip-path: polygon(0 0, 0 0, 0 0, 0 0, 0 0); }
  25%  { clip-path: polygon(0 0, 100% 0, 100% 0, 100% 0, 100% 0); }
  50%  { clip-path: polygon(0 0, 100% 0, 100% 100%, 100% 100%, 100% 100%); }
  75%  { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%, 0 100%); }
  100% { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%, 0 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; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ── Page Transitions ── */
.page-transition-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 10000;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.page-transition-overlay.active {
  opacity: 1;
  pointer-events: all;
}

body.fade-in {
  animation: fadeInEffect 0.6s ease forwards;
}

@keyframes fadeInEffect {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ── Loader ── */
.spinner {
  width: 20px;
  height: 20px;
  border: 2.5px solid rgba(124, 58, 237, 0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1rem 1.5rem;
  color: var(--text);
  font-weight: 500;
  z-index: 9999;
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  max-width: 360px;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.toast-success { border-left: 3px solid var(--success); }
.toast-error   { border-left: 3px solid var(--error); }
.toast-info    { border-left: 3px solid var(--info); }

/* ── Responsive ── */
@media (max-width: 768px) {
  .section { padding: var(--space-16) 0; }
  .section-sm { padding: var(--space-10) 0; }
  .container { padding: 0 var(--space-4); }
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.8rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 var(--space-4); }
}