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

:root {
  --clr-primary-dark:   #0d2e6e;   /* deep navy */
  --clr-primary:        #1a56b8;   /* brand blue */
  --clr-primary-light:  #2d8cda;   /* sky blue */
  --clr-accent:         #4bbf6b;   /* brand green */
  --clr-accent-dark:    #2e9e50;
  --clr-accent-light:   #7de0a0;

  --grad-brand: linear-gradient(135deg, #0d2e6e 0%, #1a56b8 40%, #2d8cda 70%, #4bbf6b 100%);
  --grad-hero:  linear-gradient(135deg, #e8f2ff 0%, #f0fff8 50%, #ffffff 100%);
  --grad-card:  linear-gradient(145deg, rgba(255,255,255,0.9), rgba(240,248,255,0.6));

  --clr-white:   #ffffff;
  --clr-bg:      #f8fafd;
  --clr-bg-alt:  #f0f7ff;
  --clr-surface: #ffffff;
  --clr-border:  #e2ecf8;
  --clr-text:    #111827;
  --clr-text-2:  #374151;
  --clr-text-3:  #6b7280;
  --clr-text-4:  #9ca3af;

  --shadow-xs:  0 1px 3px rgba(13,46,110,0.06);
  --shadow-sm:  0 4px 12px rgba(13,46,110,0.08);
  --shadow-md:  0 8px 30px rgba(13,46,110,0.12);
  --shadow-lg:  0 20px 60px rgba(13,46,110,0.15);
  --shadow-xl:  0 30px 80px rgba(13,46,110,0.20);

  --ff-heading: 'Playfair Display', Georgia, serif;
  --ff-body:    'Inter', system-ui, -apple-system, sans-serif;

  --fs-xs:   0.75rem;
  --fs-sm:   0.875rem;
  --fs-base: 1rem;
  --fs-lg:   1.125rem;
  --fs-xl:   1.25rem;
  --fs-2xl:  1.5rem;
  --fs-3xl:  1.875rem;
  --fs-4xl:  2.25rem;
  --fs-5xl:  3rem;
  --fs-6xl:  3.75rem;
  --fs-7xl:  4.5rem;

  --sp-1:  0.35rem;
  --sp-2:  0.7rem;
  --sp-3:  1rem;
  --sp-4:  1.5rem;
  --sp-5:  1.85rem;
  --sp-6:  2.25rem;
  --sp-8:  3rem;
  --sp-10: 3.75rem;
  --sp-12: 4.5rem;
  --sp-16: 6rem;
  --sp-20: 7.5rem;
  --sp-24: 9rem;
  --sp-32: 12rem;

  --container-max: 1200px;
  --container-wide: 1440px;

  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-xl:   30px;
  --radius-full: 9999px;

  --tr-fast:   0.15s ease;
  --tr-normal: 0.3s ease;
  --tr-slow:   0.5s ease;
  --tr-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--ff-body);
  font-size: var(--fs-base);
  color: var(--clr-text);
  background-color: var(--clr-bg);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--sp-6);
}

.container--wide {
  max-width: var(--container-wide);
}

.section-pad {
  padding-block: var(--sp-24);
}

.section-pad--lg {
  padding-block: var(--sp-32);
}

.section-header {
  text-align: center;
  margin-bottom: var(--sp-16);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-primary);
  background: rgba(26, 86, 184, 0.08);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--sp-4);
  border: 1px solid rgba(26, 86, 184, 0.15);
}

.section-title {
  font-family: var(--ff-heading);
  font-size: clamp(var(--fs-3xl), 4vw, var(--fs-5xl));
  font-weight: 700;
  color: var(--clr-text);
  line-height: 1.2;
  margin-bottom: var(--sp-4);
}

.section-title span {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  font-size: var(--fs-lg);
  color: var(--clr-text-3);
  max-width: 600px;
  margin-inline: auto;
  line-height: 1.8;
}

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

.divider {
  width: 60px;
  height: 4px;
  background: var(--grad-brand);
  border-radius: var(--radius-full);
  margin: var(--sp-4) auto var(--sp-6);
}

::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--clr-bg);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--clr-primary), var(--clr-accent));
  border-radius: var(--radius-full);
}

::selection {
  background: rgba(26, 86, 184, 0.15);
  color: var(--clr-primary-dark);
}

@media (max-width: 768px) {
  :root {
    --sp-24: 4rem;
    --sp-32: 5rem;
  }
  .container {
    padding-inline: var(--sp-4);
  }
  .section-header {
    margin-bottom: var(--sp-10);
  }
}