/* ==================================================  
   CSS Base Stylesheet
   --------------------------------------------------  
   For: Dynamic SMM Agency Showcase Website
   Style: Modern, Vibrant, Professional, Trustworthy
================================================== */

/* -----------------------------
   Variables
----------------------------- */
:root {
  /* Colors */
  --color-background: #f8fafc;
  --color-surface: #ffffff;
  --color-text: #1a2233;
  --color-primary: #3469f6;
  --color-primary-hover: #2752cd;
  --color-success: #27ae60;
  --color-warning: #f7b924;
  --color-danger: #e14d2a;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  /* Typography */
  --font-family-sans: 'Inter', 'Segoe UI', Arial, sans-serif;
  --font-family-heading: 'Inter', 'Segoe UI', Arial, sans-serif;
  --font-size-xs: 0.8125rem; /* 13px */
  --font-size-sm: 0.9375rem; /* 15px */
  --font-size-base: 1rem; /* 16px */
  --font-size-lg: 1.25rem; /* 20px */
  --font-size-xl: 1.5rem; /* 24px */
  --font-size-2xl: 2rem; /* 32px */
  --font-size-3xl: 2.5rem; /* 40px */
  --line-height-base: 1.7;
  --line-length: 72ch;

  /* Spacing scale (0–96px) */
  --space-0: 0px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;
  --space-24: 96px;

  /* Radius, Shadow, Transition */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --shadow-xs: 0 1px 4px 0 rgba(16, 30, 54, 0.04);
  --shadow-sm: 0 2px 8px 0 rgba(16, 30, 54, 0.08);
  --shadow-md: 0 4px 16px 0 rgba(16,30,54, 0.12);
  --transition-fast: 120ms ease;
  --transition-main: 220ms cubic-bezier(0.4,0,0.2,1);
}

/* -----------------------------
   Reset / Normalize
----------------------------- */
html {
  box-sizing: border-box;
  scroll-behavior: smooth;
}
*, *::before, *::after {
  box-sizing: inherit;
}

body, h1, h2, h3, h4, h5, h6, p, ul, ol, li, figure, figcaption, blockquote, dl, dd {
  margin: 0;
  padding: 0;
}
ul, ol {
  list-style: none;
}
img, picture, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
}
input, button, textarea, select {
  font: inherit;
  background: none;
  border: none;
  outline: none;
  color: inherit;
}
table {
  border-collapse: collapse;
  border-spacing: 0;
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}

/* -----------------------------
   Base Styles
----------------------------- */
body {
  font-family: var(--font-family-sans);
  font-size: var(--font-size-base);
  background: var(--color-background);
  color: var(--color-text);
  min-height: 100vh;
  line-height: var(--line-height-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  color: var(--color-text);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-4);
}

h1 {
  font-size: var(--font-size-3xl);
  margin-top: var(--space-12);
}
h2 {
  font-size: var(--font-size-2xl);
  margin-top: var(--space-8);
}
h3 {
  font-size: var(--font-size-xl);
  margin-top: var(--space-6);
}
h4 {
  font-size: var(--font-size-lg);
  margin-top: var(--space-4);
}
h5 {
  font-size: var(--font-size-base);
  margin-top: var(--space-2);
}
h6 {
  font-size: var(--font-size-sm);
  margin-top: var(--space-1);
}

p {
  margin-bottom: var(--space-4);
  max-width: var(--line-length);
  line-height: var(--line-height-base);
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  transition: color var(--transition-main);
}
a:hover,
a:focus-visible {
  color: var(--color-primary-hover);
  text-decoration-thickness: 2px;
  outline: none;
}
a:active {
  color: var(--color-primary);
}
a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

hr {
  border: none;
  border-top: 1px solid var(--color-gray-200);
  margin: var(--space-8) 0;
}

/* -----------------------------
   Utilities
----------------------------- */
.container {
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.flex {
  display: flex;
}
.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}
.flex-col {
  flex-direction: column;
}
.grid {
  display: grid;
}
.grid-center {
  display: grid;
  place-content: center;
}
.space-between {
  justify-content: space-between;
}
.mt-4 { margin-top: var(--space-4) !important; }
.mb-4 { margin-bottom: var(--space-4) !important; }
.pt-4 { padding-top: var(--space-4) !important; }
pb-4 { padding-bottom: var(--space-4) !important; }

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

/* -----------------------------
   Components
----------------------------- */
.button, button,
input[type="submit"],
input[type="button"],
input[type="reset"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  font-size: var(--font-size-base);
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-xs);
  transition:
    background var(--transition-main),
    color var(--transition-main),
    box-shadow var(--transition-main);
  outline: none;
  text-decoration: none;
  min-width: 2.5em;
}
.button:hover,
.button:focus-visible,
button:hover,
button:focus-visible,
input[type="submit"]:hover,
input[type="submit"]:focus-visible,
input[type="button"]:hover,
input[type="button"]:focus-visible,
input[type="reset"]:hover,
input[type="reset"]:focus-visible {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-sm);
  outline: 2px solid var(--color-primary-hover);
  outline-offset: 2px;
}
.button:disabled,
button:disabled,
input[disabled] {
  background: var(--color-gray-300);
  color: var(--color-gray-600);
  cursor: not-allowed;
  box-shadow: none;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="url"],
input[type="number"],
input[type="search"],
textarea, select {
  width: 100%;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-gray-300);
  color: var(--color-text);
  box-shadow: 0 1px 2px 0 rgba(16,30,54,0.01);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-main), box-shadow var(--transition-main);
  outline: none;
}
input:focus,
textarea:focus,
select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(52, 105, 246, 0.10);
}
input:disabled,
textarea:disabled,
select:disabled {
  background: var(--color-gray-100);
  color: var(--color-gray-500);
  cursor: not-allowed;
}

.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-6);
  margin-bottom: var(--space-8);
}

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

/* -----------------------------
   Header & Footer styles
----------------------------- */
.site-header {
  background: var(--color-surface);
  box-shadow: var(--shadow-xs);
  position: sticky;
  top: 0;
  z-index: 50;
  padding-top: 11px;
  padding-bottom: 11px;
}
.site-logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 0.5em;
}
.logo-dot {
  width: 1em;
  height: 1em;
  border-radius: 50%;
  background: var(--color-primary);
  display: inline-block;
  margin-right: 0.4em;
}

.main-nav {
  display: flex;
  gap: 1.5em;
  align-items: center;
  font-weight: 500;
}
.main-nav li {
  list-style: none;
}
.main-nav a:not(.button) {
  color: var(--color-text);
  text-decoration: none;
  padding: 0.25em 0.5em;
  border-radius: var(--radius-sm);
  transition: background var(--transition-main), color var(--transition-main);
}
.main-nav a:not(.button):hover, .main-nav a:not(.button):focus-visible {
  background: var(--color-gray-100);
  color: var(--color-primary);
}
.main-nav .cta {
  margin-left: 0.5em;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  width: 36px;
  height: 36px;
  justify-content: center;
  align-items: flex-end;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.mobile-menu-toggle .bar {
  width: 100%;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform 220ms;
}

@media (max-width: 900px) {
  .main-nav {
    /* Hide on mobile, toggle with menu button */
    position: fixed;
    top: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-surface);
    box-shadow: var(--shadow-md);
    height: 100vh;
    width: 70vw;
    max-width: 320px;
    padding-top: 90px;
    transform: translateX(100%);
    transition: transform var(--transition-main);
    z-index: 100;
    gap: 2em;
    font-size: var(--font-size-lg);
    align-items: flex-start;
  }
  .main-nav.open {
    transform: translateX(0);
  }
  .mobile-menu-toggle {
    display: flex;
  }
}

.site-footer {
  background: var(--color-gray-800);
  color: #fff;
  padding: var(--space-8) 0 0 0;
  position: relative;
}
.footer-content {
  flex-wrap: wrap;
  gap: var(--space-16);
  align-items: flex-start;
}
.footer-logo {
  font-size: 1.15em;
  font-weight: 700;
  letter-spacing: 1px;
}
.footer-desc {
  color: var(--color-gray-300);
  margin-top: 6px;
  font-size: var(--font-size-sm);
}
.footer-nav ul,
.footer-legal ul {
  display: flex;
  flex-direction: column;
  gap: 0.5em;
  padding: 0;
}
.footer-nav a, .footer-legal a {
  color: #fff;
  text-decoration: none;
  font-size: var(--font-size-base);
  transition: text-decoration, color var(--transition-main);
}
.footer-nav a:hover, .footer-legal a:hover, .footer-nav a:focus-visible, .footer-legal a:focus-visible {
  color: var(--color-primary);
  text-decoration: underline;
}
.copyright {
  border-top: 1px solid var(--color-gray-700);
  color: var(--color-gray-400);
  margin-top: var(--space-6);
  padding: var(--space-2) 0;
  text-align: center;
  font-size: var(--font-size-sm);
}

.cookie-consent {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  width: 100%;
  background: var(--color-surface);
  color: var(--color-gray-900);
  box-shadow: 0 -3px 16px 0 rgba(52, 105, 246, 0.05);
  z-index: 120;
  padding: var(--space-4) 0;
  display: none;
}
.cookie-consent.active {
  display: block;
}
.cookie-consent-content {
  max-width: 1035px !important;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 2em;
  justify-content: space-between;
}
.cookie-buttons {
  display: flex;
  gap: 0.5em;
}

@media (max-width: 700px) {
  .cookie-consent-content {
    flex-direction: column;
    gap: var(--space-2);
    align-items: flex-start;
    padding: 0 var(--space-4);
  }
}
@media (max-width: 600px) {
  .footer-content {
    flex-direction: column;
    gap: var(--space-8);
  }
}

/* End of Base CSS */