/* =========================================
   MKMH MEDIA — Design System & Global Styles
   mkmhmedia.com
   ========================================= */

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

/* ---- CSS Custom Properties ---- */
:root {
  /* Colors */
  --bg-base:        #07090F;
  --bg-surface:     #0D1117;
  --bg-card:        #111827;
  --bg-card-hover:  #162032;
  --bg-muted:       #1E293B;

  --accent:         #6366F1;
  --accent-hover:   #4F52D9;
  --accent-glow:    rgba(99, 102, 241, 0.25);
  --accent-2:       #8B5CF6;
  --cyan:           #06B6D4;
  --cyan-glow:      rgba(6, 182, 212, 0.2);
  --emerald:        #10B981;

  --text-primary:   #F1F5F9;
  --text-secondary: #94A3B8;
  --text-muted:     #475569;
  --text-inverse:   #07090F;

  --border:         #1E293B;
  --border-hover:   #334155;
  --border-accent:  rgba(99, 102, 241, 0.4);

  /* Gradient */
  --grad-main:      linear-gradient(135deg, #6366F1 0%, #8B5CF6 50%, #06B6D4 100%);
  --grad-card:      linear-gradient(135deg, #111827 0%, #162032 100%);
  --grad-hero:      radial-gradient(ellipse 80% 60% at 50% -10%, rgba(99,102,241,0.3) 0%, transparent 70%);

  /* Typography */
  --font-heading:   'Space Grotesk', sans-serif;
  --font-body:      'Inter', sans-serif;

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Border Radius */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --radius-xl:  20px;
  --radius-2xl: 32px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;

  /* Shadows */
  --shadow-sm:     0 1px 3px rgba(0,0,0,0.4);
  --shadow-md:     0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg:     0 8px 32px rgba(0,0,0,0.6);
  --shadow-accent: 0 8px 32px rgba(99,102,241,0.3);
  --shadow-card:   0 2px 8px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,255,255,0.04);
}

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

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

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

img { max-width: 100%; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.4rem, 5.5vw, 4.2rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.2rem; }

p  { color: var(--text-secondary); line-height: 1.75; }

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section { padding: var(--space-24) 0; }
.section-sm { padding: var(--space-16) 0; }

/* ---- Section Labels ---- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-4);
}

.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--grad-main);
  border-radius: var(--radius-full);
}

.section-header {
  max-width: 640px;
  margin-bottom: var(--space-12);
}

.section-header.centered {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section-header p {
  margin-top: var(--space-4);
  font-size: 1.05rem;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.925rem;
  transition: all var(--transition-base);
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(99,102,241,0.35);
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: 0 6px 24px rgba(99,102,241,0.5);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--accent);
  padding-left: 0;
  padding-right: 0;
}

.btn-ghost:hover {
  gap: var(--space-3);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: 1rem;
}

/* Arrow icon in buttons */
.btn-arrow { transition: transform var(--transition-fast); }
.btn:hover .btn-arrow { transform: translateX(4px); }

/* ---- Navigation ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-5) 0;
  transition: all var(--transition-slow);
}

.nav.scrolled {
  background: rgba(7, 9, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: var(--space-4) 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.nav-logo svg { height: 36px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-links a {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: rgba(255,255,255,0.06);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  cursor: pointer;
  background: none;
  border: none;
  padding: var(--space-1);
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.nav-toggle span:nth-child(1) { width: 100%; }
.nav-toggle span:nth-child(2) { width: 75%; }
.nav-toggle span:nth-child(3) { width: 50%; }

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); width: 100%; }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); width: 100%; }

/* ---- Mobile Nav Drawer ---- */
.nav-drawer {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  padding-top: 80px;
  background: rgba(7,9,15,0.97);
  backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.nav-drawer.open {
  opacity: 1;
  pointer-events: all;
}

.nav-drawer a {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: var(--space-3) var(--space-6);
  transition: color var(--transition-fast);
}

.nav-drawer a:hover { color: var(--text-primary); }

/* ---- Cards ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-card);
}

.card:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-accent);
}

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

/* ---- Noise Texture Overlay ---- */
.noise-overlay {
  position: relative;
}
.noise-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  opacity: 0.4;
  z-index: 0;
}

/* ---- Hero Grid Background ---- */
.grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99,102,241,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, black 30%, transparent 80%);
  pointer-events: none;
}

/* ---- Glow Orb ---- */
.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

/* ---- Stat Badge ---- */
.stat-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
}

.stat-badge .stat-number {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat-badge .stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ---- Service Icon Box ---- */
.icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  margin-bottom: var(--space-5);
  flex-shrink: 0;
}

.icon-box svg {
  width: 24px;
  height: 24px;
  color: var(--accent);
}

/* ---- Tag / Chip ---- */
.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  background: rgba(99,102,241,0.12);
  color: var(--accent);
  border: 1px solid rgba(99,102,241,0.2);
}

/* ---- Grid Layouts ---- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }

/* ---- Divider ---- */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: var(--space-16) 0;
}

/* ---- Form Elements ---- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input,
.form-textarea,
.form-select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.925rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  width: 100%;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394A3B8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
}

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

/* ---- Footer ---- */
.footer {
  border-top: 1px solid var(--border);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-12);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid var(--border);
}

.footer-brand p {
  margin-top: var(--space-4);
  font-size: 0.9rem;
  line-height: 1.65;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-5);
}

.footer-col ul { display: flex; flex-direction: column; gap: var(--space-3); }

.footer-col a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-col a:hover { color: var(--text-primary); }

.footer-bottom {
  padding-top: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.social-links {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.social-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.social-link svg { width: 16px; height: 16px; }

/* ---- Page Hero (inner pages) ---- */
.page-hero {
  padding-top: 140px;
  padding-bottom: var(--space-20);
  position: relative;
  overflow: hidden;
}

.page-hero-inner {
  position: relative;
  z-index: 1;
}

/* ---- CTA Banner ---- */
.cta-banner {
  background: var(--grad-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: var(--space-16) var(--space-12);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 200px;
  background: radial-gradient(circle, rgba(99,102,241,0.25) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner h2 { color: var(--text-primary); margin-bottom: var(--space-4); }
.cta-banner p  { max-width: 520px; margin: 0 auto var(--space-8); font-size: 1.05rem; }

.cta-banner-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ---- Process Steps ---- */
.process-step {
  display: flex;
  gap: var(--space-6);
  align-items: flex-start;
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--grad-main);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ---- Portfolio Item ---- */
.portfolio-item {
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/3;
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.portfolio-item-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.portfolio-item:hover .portfolio-item-img {
  transform: scale(1.05);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7,9,15,0.95) 0%, rgba(7,9,15,0.4) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-6);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.portfolio-item:hover .portfolio-overlay { opacity: 1; }

.portfolio-overlay h3 { color: var(--text-primary); font-size: 1.1rem; }
.portfolio-overlay p  { font-size: 0.85rem; margin-top: var(--space-1); }

/* ---- Placeholder Visual Box ---- */
.visual-placeholder {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-4);
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ---- Animations ---- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-12px); }
}

@keyframes pulse-ring {
  0%   { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.5); opacity: 0; }
}

.animate-fade-up {
  opacity: 0;
  animation: fadeUp 0.7s ease forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

/* Scroll reveal — JS adds .visible; fallback ensures content shows without JS */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
/* If JS hasn't loaded within 1s, make everything visible anyway */
@keyframes forceVisible {
  to { opacity: 1; transform: none; }
}
.reveal {
  animation: forceVisible 0s 1.2s forwards;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root {
    --space-24: 4rem;
    --space-20: 3.5rem;
    --space-16: 3rem;
  }

  .nav-links,
  .nav-cta .btn-secondary { display: none; }
  .nav-toggle { display: flex; }

  .nav-drawer { display: flex; }

  .grid-2,
  .grid-3,
  .grid-4 { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: var(--space-8); }

  .cta-banner { padding: var(--space-10) var(--space-6); }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.6rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 var(--space-4); }
  .btn-lg { padding: var(--space-3) var(--space-6); font-size: 0.925rem; }
}