/* ========================================================================== *
   Variables
   ========================================================================== */

:root {
  /* Colors */
  --color-background: #050816;
  --color-surface: #0d1021;
  --color-surface-alt: #12162a;
  --color-text: #f5f5f7;
  --color-text-muted: #b0b3c3;
  --color-primary: #ff4b8b; /* dynamic, playful accent */
  --color-primary-soft: rgba(255, 75, 139, 0.12);
  --color-success: #2ecc71;
  --color-warning: #f1c40f;
  --color-danger: #e74c3c;

  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2933;
  --gray-900: #111827;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Inter", "SF Pro Text", "Segoe UI", sans-serif;
  --font-heading: "Montserrat", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 1rem;    /* 16px */
  --font-size-lg: 1.125rem;  /* 18px */
  --font-size-xl: 1.25rem;   /* 20px */
  --font-size-2xl: 1.5rem;   /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem;  /* 36px */
  --font-size-5xl: 3rem;     /* 48px */

  --line-height-tight: 1.15;
  --line-height-snug: 1.3;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (0–96px) */
  --space-0: 0;
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.25rem;  /* 20px */
  --space-6: 1.5rem;   /* 24px */
  --space-7: 1.75rem;  /* 28px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  --space-20: 5rem;    /* 80px */
  --space-24: 6rem;    /* 96px */

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1.25rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.25);
  --shadow-strong: 0 18px 45px rgba(0, 0, 0, 0.45);
  --shadow-glow-primary: 0 0 24px rgba(255, 75, 139, 0.45);

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-base: 220ms ease-out;
  --transition-slow: 320ms ease-out;

  /* Layout */
  --container-max-width: 1120px;
  --container-padding-x: 1.5rem;
}

@media (min-width: 1280px) {
  :root {
    --container-max-width: 1200px;
  }
}


/* ========================================================================== *
   Reset / Normalize
   ========================================================================== */

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

html {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

body {
  margin: 0;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
ul,
ol {
  margin: 0;
}

ul,
ol {
  padding-left: 1.25rem;
}

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

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

button {
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
}

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

[hidden] {
  display: none !important;
}


/* ========================================================================== *
   Base Styles
   ========================================================================== */

body {
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  background: radial-gradient(circle at top, #181b36 0, #050816 55%, #02030a 100%);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

main {
  display: block;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: var(--line-height-tight);
  letter-spacing: 0.02em;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2.5rem, 5vw, var(--font-size-5xl));
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(2rem, 3vw, var(--font-size-4xl));
  margin-bottom: var(--space-3);
}

h3 {
  font-size: clamp(1.5rem, 2.4vw, var(--font-size-3xl));
  margin-bottom: var(--space-2);
}

h4 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-2);
}

h5 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2);
}

h6 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-1);
}

p {
  margin-bottom: var(--space-4);
  color: var(--color-text-muted);
}

strong,
b {
  font-weight: 600;
}

code,
pre {
  font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

hr {
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  margin: var(--space-6) 0;
}

/* Links */

a {
  position: relative;
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-base);
}

a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15em;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 75, 139, 0.1), rgba(255, 75, 139, 0.9));
  transform-origin: left;
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

a:hover::after {
  transform: scaleX(1);
}


/* ========================================================================== *
   Utilities
   ========================================================================== */

/* Layout: container */

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding-x);
  padding-right: var(--container-padding-x);
}

.section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.section--tight {
  padding-top: var(--space-10);
  padding-bottom: var(--space-10);
}

/* Flex helpers */

.flex {
  display: flex;
}

.inline-flex {
  display: inline-flex;
}

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

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

.flex-column {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.gap-2 {
  gap: var(--space-2);
}

.gap-4 {
  gap: var(--space-4);
}

.gap-6 {
  gap: var(--space-6);
}

/* Grid helpers */

.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Spacing utilities (short set for layout tweaks) */

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.pt-8 { padding-top: var(--space-8); }
.pb-8 { padding-bottom: var(--space-8); }

.text-center {
  text-align: center;
}

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

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.05);
  font-size: var(--font-size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge--primary {
  background-color: rgba(255, 75, 139, 0.14);
  color: var(--color-primary);
}

/* Screen-reader only */

.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;
}


/* ========================================================================== *
   Components
   ========================================================================== */

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition:
    background-color var(--transition-base),
    border-color var(--transition-base),
    color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, #ff4b8b 0%, #ff9f5a 100%);
  color: #050816;
  box-shadow: var(--shadow-glow-primary);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.7);
}

.btn-outline {
  background-color: transparent;
  border-color: rgba(255, 255, 255, 0.24);
  color: var(--color-text);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  background-color: rgba(255, 255, 255, 0.04);
}

.btn-ghost {
  background-color: rgba(255, 255, 255, 0.04);
  color: var(--color-text);
}

.btn-ghost:hover {
  background-color: rgba(255, 255, 255, 0.08);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

/* Inputs & form controls */

.input,
.select,
.textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background-color: rgba(5, 8, 22, 0.9);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  outline: none;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-base);
}

.input::placeholder,
.textarea::placeholder {
  color: var(--color-text-muted);
}

.input:focus,
.select:focus,
.textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(255, 75, 139, 0.4);
  background-color: rgba(8, 12, 30, 1);
}

.input[disabled],
.select[disabled],
.textarea[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
}

.label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.field {
  margin-bottom: var(--space-4);
}

.field-help {
  margin-top: 0.25rem;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Card */

.card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  background: radial-gradient(circle at top left, rgba(255, 75, 139, 0.12), transparent 55%),
              radial-gradient(circle at bottom right, rgba(70, 120, 255, 0.12), transparent 60%),
              var(--color-surface);
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top, rgba(255, 255, 255, 0.03), transparent 55%);
  pointer-events: none;
}

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

.card-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-1);
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.card-body {
  position: relative;
  z-index: 1;
}

.card-footer {
  margin-top: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}


/* ========================================================================== *
   Accessibility & Motion
   ========================================================================== */

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

button:focus-visible,
.btn:focus-visible,
.input:focus-visible,
.select:focus-visible,
.textarea:focus-visible,
a:focus-visible {
  box-shadow: 0 0 0 2px rgba(5, 8, 22, 1), 0 0 0 4px rgba(255, 75, 139, 0.65);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}


/* ========================================================================== *
   Thematic helpers for GEEM WHISPER
   ========================================================================== */

/* Chips / tokens for gaming vibe */

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: var(--font-size-xs);
}

.chip--accent {
  background: rgba(255, 75, 139, 0.14);
  border-color: rgba(255, 75, 139, 0.6);
  color: var(--color-primary);
}

/* Subtle gradient border wrapper for hero / key sections */

.frame-glow {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(135deg, rgba(255, 75, 139, 0.7), rgba(83, 153, 255, 0.5));
}

.frame-glow-inner {
  border-radius: inherit;
  background: radial-gradient(circle at top left, rgba(255, 75, 139, 0.18), transparent 55%),
              radial-gradient(circle at bottom right, rgba(83, 153, 255, 0.18), transparent 60%),
              #050816;
  padding: var(--space-6);
}

/* Navigation bar baseline */

.navbar {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: linear-gradient(to bottom, rgba(5, 8, 22, 0.94), rgba(5, 8, 22, 0.75));
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.25rem;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: var(--font-size-sm);
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.2rem 0;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #ff4b8b, #ff9f5a);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-base);
}

.nav-link:hover,
.nav-link[aria-current="page"] {
  color: #ffffff;
}

.nav-link[aria-current="page"]::after,
.nav-link:hover::after {
  transform: scaleX(1);
}

@media (max-width: 768px) {
  .navbar {
    backdrop-filter: blur(10px);
  }
}