/* ============================================================
   theme.css — iCoderz Solutions Design System 2026
   Direction: Sharp-edged · Architectural · Editorial
   Font: Poppins · Zero rounded corners
   ============================================================ */

/* ── Design Tokens ── */
:root {
  /* Core Palette */
  --clr-white:        #FFFFFF;
  --clr-black:        #000000;
  --clr-bg:           #F5F5F5;
  --clr-bg-2:         #EFEFEF;
  --clr-surface:      #FAFAFA;
  --clr-dark:         #0B0D2A;
  --clr-ink:          #0A0A0A;
  --clr-ink-2:        #1A1A1A;
  --clr-ink-3:        #2A2A2A;
  --clr-text:         #111111;
  --clr-text-2:       #333333;
  --clr-text-3:       #555555;
  --clr-text-muted:   #888888;
  --clr-border:       #E0E0E0;
  --clr-border-dark:  #C8C8C8;
  --clr-border-black: #111111;

  /* Brand */
  --clr-blue:         #1A56E8;
  --clr-blue-dark:    #1240BE;
  --clr-blue-light:   #EBF0FF;
  --clr-blue-xlight:  #F4F7FF;
  --clr-purple:       #6B21A8;
  --clr-purple-light: #F5F0FF;

  /* Accent Colors for variety */
  --clr-accent-green: #00A86B;
  --clr-accent-green-light: #EDFBF4;
  --clr-accent-orange: #E05C1A;
  --clr-accent-orange-light: #FFF4EE;

  /* Gradients */
  --gd-primary:  linear-gradient(135deg, #1A56E8 0%, #6B21A8 100%);
  --gd-text:     linear-gradient(135deg, #1A56E8 0%, #6B21A8 100%);
  --gd-hero:     linear-gradient(160deg, #050505 0%, #0D1B40 55%, #0A0020 100%);
  --gd-dark:     linear-gradient(135deg, #0A0A0A 0%, #1A1A1A 100%);
  --gd-blue-bg:  linear-gradient(135deg, #1A56E8 0%, #1240BE 100%);

  /* Typography */
  --font:        'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --fs-11: 0.6875rem;
  --fs-xs: 0.75rem;
  --fs-sm: 0.8125rem;
  --fs-base: 1rem;
  --fs-md: 1.0625rem;
  --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;
  --fs-8xl: 6rem;

  --fw-light:     300;
  --fw-regular:   400;
  --fw-medium:    500;
  --fw-semibold:  600;
  --fw-bold:      700;
  --fw-extrabold: 800;
  --fw-black:     900;

  --lh-none:    1;
  --lh-tight:   1.1;
  --lh-snug:    1.3;
  --lh-base:    1.6;
  --lh-relaxed: 1.75;

  --ls-tight:  -0.04em;
  --ls-snug:   -0.025em;
  --ls-base:   -0.01em;
  --ls-wide:    0.04em;
  --ls-wider:   0.08em;
  --ls-widest:  0.12em;

  /* Spacing */
  --sp-1:  0.25rem;
  --sp-2:  0.5rem;
  --sp-3:  0.75rem;
  --sp-4:  1rem;
  --sp-5:  1.25rem;
  --sp-6:  1.5rem;
  --sp-7:  1.75rem;
  --sp-8:  2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-14: 3.5rem;
  --sp-16: 4rem;
  --sp-20: 5rem;
  --sp-24: 6rem;
  --sp-32: 8rem;

  --section-gap: clamp(5rem, 10vw, 7rem);

  /* ZERO ROUNDED CORNERS — Sharp edges everywhere */
  --r-0:    0px;
  --r-sm:   0px;
  --r-md:   0px;
  --r-lg:   0px;
  --r-xl:   0px;
  --r-2xl:  0px;
  --r-full: 0px;

  /* Borders */
  --border-thin:   1px solid var(--clr-border);
  --border-base:   1.5px solid var(--clr-border);
  --border-dark:   1px solid var(--clr-border-dark);
  --border-black:  2px solid var(--clr-black);
  --border-blue:   2px solid var(--clr-blue);

  /* Shadows — flat design, no blur */
  --shadow-none:  none;
  --shadow-hard:  4px 4px 0px var(--clr-border-dark);
  --shadow-blue:  4px 4px 0px rgba(26,86,232,0.25);
  --shadow-black: 4px 4px 0px var(--clr-black);

  /* Transitions */
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-sharp:  cubic-bezier(0.4, 0, 0.2, 1);
  --t-fast:  0.12s;
  --t-base:  0.2s;
  --t-slow:  0.35s;
  --t-xslow: 0.55s;

  /* Z-index */
  --z-below:    -1;
  --z-base:      0;
  --z-raised:   10;
  --z-dropdown: 100;
  --z-sticky:   200;
  --z-header:   300;
  --z-modal:    400;
  --z-toast:    500;
}

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

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

body {
  font-family: var(--font);
  font-size: var(--fs-base);
  font-weight: var(--fw-regular);
  line-height: var(--lh-base);
  color: var(--clr-text-3);
  background: var(--clr-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: var(--font); border: none; background: none; }
input, textarea, select { font-family: var(--font); }

/* ── Typography ── */
.t-display {
  font-size: clamp(2.75rem, 7vw, var(--fs-7xl));
  font-weight: var(--fw-black);
  line-height: var(--lh-tight);
  color: var(--clr-text);
  letter-spacing: var(--ls-tight);
}

.t-h1 {
  font-size: clamp(2.25rem, 5.5vw, var(--fs-6xl));
  font-weight: var(--fw-extrabold);
  line-height: var(--lh-tight);
  color: var(--clr-text);
  letter-spacing: var(--ls-tight);
}

.t-h2 {
  font-size: clamp(1.875rem, 3.5vw, var(--fs-4xl));
  font-weight: var(--fw-bold);
  line-height: var(--lh-snug);
  color: var(--clr-text);
  letter-spacing: var(--ls-snug);
}

.t-h3 {
  font-size: clamp(1.125rem, 2vw, var(--fs-2xl));
  font-weight: var(--fw-semibold);
  line-height: var(--lh-snug);
  color: var(--clr-text);
  letter-spacing: var(--ls-base);
}

.t-h4 {
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  color: var(--clr-text);
  letter-spacing: var(--ls-base);
}

.t-body-lg { font-size: var(--fs-lg); line-height: var(--lh-relaxed); }
.t-body    { font-size: var(--fs-base); line-height: var(--lh-base); }
.t-body-sm { font-size: var(--fs-sm); line-height: var(--lh-base); }
.t-label   { font-size: var(--fs-xs); font-weight: var(--fw-semibold); letter-spacing: var(--ls-widest); text-transform: uppercase; }

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

/* ── Overline Label ── */
.overline {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--ls-widest);
  color: var(--clr-blue);
  margin-bottom: var(--sp-5);
}

.overline::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-blue);
}

.overline--white { color: rgba(255,255,255,0.65); }
.overline--white::before { background: rgba(255,255,255,0.4); }

/* ── Container ── */
.container {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

@media (min-width: 768px) { .container { padding-inline: 2rem; } }
@media (min-width: 1280px) { .container { padding-inline: 2.5rem; } }

/* ── Section ── */
.section { padding-block: var(--section-gap); }
.section--sm { padding-block: clamp(3rem, 6vw, 4.5rem); }

/* ── Reveal animation ── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--t-xslow) var(--ease-out),
              transform var(--t-xslow) var(--ease-out);
}
.reveal.revealed { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }
.reveal-delay-5 { transition-delay: 0.40s; }

/* ── Keyframes ── */
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes fadeUp  { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
@keyframes spin    { to { transform: rotate(360deg); } }
@keyframes pulse   { 0%,100%{opacity:1;} 50%{opacity:0.5;} }
@keyframes slideInRight { from { opacity:0; transform: translateX(32px); } to { opacity:1; transform:none; } }
@keyframes drawLine { from { width:0; } to { width:100%; } }

/* ── Accessibility ── */
:focus-visible {
  outline: 2px solid var(--clr-blue);
  outline-offset: 2px;
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ── Utilities ── */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-blue   { color: var(--clr-blue); }
.text-muted  { color: var(--clr-text-muted); }
.text-white  { color: var(--clr-white); }
.fw-bold     { font-weight: var(--fw-bold); }
.fw-semibold { font-weight: var(--fw-semibold); }
.d-flex      { display: flex; }
.d-none      { display: none; }
.gap-3       { gap: var(--sp-3); }
.gap-4       { gap: var(--sp-4); }
.gap-6       { gap: var(--sp-6); }
.align-center    { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center  { justify-content: center; }
.w-full  { width: 100%; }
.mx-auto { margin-inline: auto; }
.mt-4    { margin-top: var(--sp-4); }
.mt-6    { margin-top: var(--sp-6); }
.mt-8    { margin-top: var(--sp-8); }
.mt-12   { margin-top: var(--sp-12); }
.mb-4    { margin-bottom: var(--sp-4); }
.mb-8    { margin-bottom: var(--sp-8); }
.max-640 { max-width: 640px; }
.max-800 { max-width: 800px; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--clr-bg); }
::-webkit-scrollbar-thumb { background: var(--clr-border-dark); }

/* ── Spinner ── */
.spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}