/* ==========================================================================
   RIQSIY CV - Modern Design System & Global Styles
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* Brand Palette */
  --primary: #0070f3;
  --primary-glow: rgba(0, 112, 243, 0.4);
  --primary-dark: #0051b3;
  --accent: #00d2ff;
  --accent-glow: rgba(0, 210, 255, 0.35);
  --secondary: #7928ca;
  --secondary-glow: rgba(121, 40, 202, 0.3);
  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.3);
  --warning: #f59e0b;
  --danger: #ef4444;

  /* Theme: Dark Tech Modern (Default) */
  --bg-main: #0a0f1d;
  --bg-surface: #11192e;
  --bg-surface-elevated: #18233e;
  --bg-glass: rgba(17, 25, 46, 0.75);
  --bg-glass-card: rgba(24, 35, 62, 0.65);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(0, 210, 255, 0.35);
  --border-glass: rgba(255, 255, 255, 0.12);

  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #0a0f1d;

  /* Gradients */
  --gradient-tech: linear-gradient(135deg, #00d2ff 0%, #0070f3 50%, #7928ca 100%);
  --gradient-accent: linear-gradient(135deg, #00d2ff 0%, #0070f3 100%);
  --gradient-glow: radial-gradient(circle at 50% 0%, rgba(0, 210, 255, 0.18) 0%, rgba(10, 15, 29, 0) 70%);
  --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0) 100%);
  --gradient-card-glow: linear-gradient(180deg, rgba(0, 210, 255, 0.08) 0%, rgba(24, 35, 62, 0.4) 100%);

  /* Shadows & Elevations */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 25px var(--primary-glow);
  --shadow-glow-accent: 0 0 25px var(--accent-glow);

  /* Transitions & Radii */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --max-width: 1240px;
  --nav-height: 76px;
}

/* Light Theme Alternative */
[data-theme="light"] {
  --bg-main: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f1f5f9;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --bg-glass-card: rgba(255, 255, 255, 0.9);
  --border-color: rgba(0, 0, 0, 0.08);
  --border-color-hover: rgba(0, 112, 243, 0.4);
  --border-glass: rgba(0, 0, 0, 0.08);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  color-scheme: dark;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Tech Background Mesh */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 100vh;
  background: 
    radial-gradient(circle at 15% 15%, rgba(0, 210, 255, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 25%, rgba(121, 40, 202, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 50% 85%, rgba(0, 112, 243, 0.06) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* Typography Presets */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.75rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.65rem); letter-spacing: -0.02em; }
h3 { font-size: clamp(1.25rem, 2vw, 1.65rem); }
h4 { font-size: 1.25rem; }
p { color: var(--text-secondary); margin-bottom: 1rem; }
a { color: inherit; text-decoration: none; transition: var(--transition-fast); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }

/* Utilities & Layout */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding: 5.5rem 0;
  position: relative;
}

.section-sm {
  padding: 3.5rem 0;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }
.grid { display: grid; }

.gradient-text {
  background: var(--gradient-tech);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.accent-text {
  color: var(--accent);
}

.badge-tech {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 210, 255, 0.1);
  border: 1px solid rgba(0, 210, 255, 0.3);
  color: var(--accent);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  box-shadow: 0 0 15px rgba(0, 210, 255, 0.15);
  margin-bottom: 1.25rem;
}

.badge-tech::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent);
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.5; }
}

/* Glassmorphism Card Base */
.glass-card {
  background: var(--bg-glass-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.glass-card:hover {
  border-color: var(--border-color-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(0, 210, 255, 0.15);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: var(--transition-normal);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-accent);
  color: #ffffff;
  box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 210, 255, 0.4);
  color: #ffffff;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25d366;
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
  background: #20ba59;
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
  transform: translateY(-2px);
  color: #ffffff;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 1.1rem 2.25rem;
  font-size: 1.05rem;
}

/* Section Header Shared */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}

.section-header .section-title {
  margin-bottom: 1rem;
}

.section-header .section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
}