/* ============================================================
   Hanz Codes Brand Profile — Design System
   ============================================================ */

/* --- CSS Variables / Tokens --- */
:root {
  --bg: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: #1e293b;
  --accent: #3b82f6;
  --purple: #8b5cf6;
  --accent-glow: #60a5fa;
  --purple-glow: #a78bfa;
  --green: #22c55e;
  --text: #e2e8f0;
  --text-secondary: #94a3b8;
  --font: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --transition: all 0.3s cubic-bezier(.4, 0, .2, 1);
  --max-width: 1140px;
  --spacing-xs: 0.75rem;
  --spacing-sm: 1.25rem;
  --spacing-md: 2rem;
  --spacing-lg: 3.5rem;
  --spacing-xl: 5rem;
}

/* --- Accessibility --- */
.skip-to-content {
  position: fixed;
  top: 0;
  left: 1rem;
  z-index: 9999;
  padding: 0.75rem 1.5rem;
  background: var(--purple);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  text-decoration: none;
  transform: translateY(-100%);
  transition: transform 0.2s ease;
}

.skip-to-content:focus {
  transform: translateY(0);
  outline: 3px solid var(--accent-glow);
  outline-offset: 2px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

img {
  max-width: 100%;
  display: block;
}

ul,
ol {
  list-style: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: var(--spacing-xl) 0;
}

.section-label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-glow);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

h1,
h2,
h3,
h4 {
  color: var(--text);
  line-height: 1.3;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

h3 {
  font-size: 1.35rem;
  font-weight: 700;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Card --- */
.card {
  background: var(--bg-card);
  border: 1px solid rgba(59, 130, 246, 0.12);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  transition: var(--transition);
}

.card:hover {
  border-color: rgba(59, 130, 246, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--purple));
  color: #fff;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-glow);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.btn-secondary:hover {
  background: rgba(59, 130, 246, 0.2);
  border-color: rgba(59, 130, 246, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

.btn-outline:hover {
  background: var(--accent);
  color: #fff;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(59, 130, 246, 0.1);
  padding: 0.6rem 0;
}

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

.nav-brand {
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.nav-brand span {
  color: #fff;
}

.nav-logo {
  height: 32px;
  width: auto;
}

.footer-logo {
  height: 48px;
  width: auto;
  margin-bottom: 0.75rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: #cbd5e1;
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
}

.nav-cta {
  padding: 0.45rem 1.1rem !important;
  font-size: 0.85rem !important;
  border-radius: 0.4rem;
  color: #fff !important;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--bg);
}

.hero .hero-bg-logo {
  position: absolute;
  inset: 0;
  background: url('../img/logo-normal-bg.png') center center / cover no-repeat;
  opacity: 0.03;
  pointer-events: none;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 25% 40%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 75% 70%, rgba(139, 92, 246, 0.06) 0%, transparent 50%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(59, 130, 246, 0.07) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black 20%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 750px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.25);
  padding: 0.4rem 1.25rem;
  border-radius: 2rem;
  margin-bottom: var(--spacing-sm);
  font-size: 0.85rem;
  color: var(--green);
  font-weight: 600;
}

.hero-badge .badge-dot {
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse-glow 2s ease-in-out infinite;
  display: inline-block;
}

.hero-title {
  margin-bottom: 0.75rem;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--text-secondary);
  font-weight: 500;
}

.hero-desc {
  font-size: clamp(0.95rem, 1.5vw, 1.05rem);
  color: var(--text-secondary);
  margin-top: 0.75rem;
  line-height: 1.8;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-top: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(59, 130, 246, 0.1);
}

.stat-number {
  font-size: clamp(2.25rem, 4vw, 3rem);
  font-weight: 800;
  font-family: var(--mono);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  background: var(--bg);
  position: relative;
}

.about-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
  margin-bottom: var(--spacing-xl);
}

.about-text .intro {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-md);
}

.about-text strong {
  color: var(--accent-glow);
}

.about-text em {
  color: var(--purple-glow);
  font-style: normal;
  font-weight: 600;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: rgba(59, 130, 246, 0.05);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.highlight-icon {
  font-size: 1.5rem;
}

/* Terminal Box */
.terminal-box {
  background: #0c1222;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(59, 130, 246, 0.2);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  min-height: 280px;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(59, 130, 246, 0.1);
}

.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal-dot.red {
  background: #ff5f56;
}

.terminal-dot.yellow {
  background: #ffbd2e;
}

.terminal-dot.green {
  background: #27c93f;
}

.terminal-title {
  margin-left: 0.75rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.terminal-body {
  padding: 1.25rem 1.5rem;
  font-family: var(--mono);
  font-size: 0.88rem;
}

.terminal-line {
  display: flex;
  gap: 1rem;
  padding: 0.3rem 0;
}

.t-label {
  color: var(--accent-glow);
  min-width: 80px;
  font-weight: 600;
}

.t-label::after {
  content: " :";
}

.t-value {
  color: var(--text);
}

.terminal-sep {
  height: 1px;
  background: rgba(59, 130, 246, 0.1);
  margin: 0.4rem 0;
}

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

.stack-section h3 {
  margin-bottom: var(--spacing-md);
}

.stack-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-sm);
  max-width: 900px;
  margin: 0 auto;
}

.stack-item {
  width: 130px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: var(--spacing-sm);
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(59, 130, 246, 0.1);
  transition: var(--transition);
}

.stack-item:hover {
  transform: translateY(-5px);
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: 0 5px 20px rgba(59, 130, 246, 0.2);
}

.stack-icon {
  font-size: 2rem;
}

.stack-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  font-family: var(--mono);
}

/* ============================================================
   SERVICES
   ============================================================ */
.services {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-secondary) 100%);
}

.services-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.services-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  max-width: 1100px;
  margin: 0 auto var(--spacing-lg);
}

.service-card {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--purple));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  font-size: 3rem;
  filter: drop-shadow(0 0 10px rgba(59, 130, 246, 0.3));
}

.service-title {
  font-size: 1.3rem;
}

.service-desc {
  color: var(--text-secondary);
  line-height: 1.7;
  flex-grow: 1;
}

.cta-box {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  max-width: 700px;
  margin: var(--spacing-lg) auto 0;
  backdrop-filter: blur(10px);
}

.cta-box p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  font-size: 1.05rem;
}

/* ============================================================
   PORTFOLIO
   ============================================================ */
.portfolio {
  background: var(--bg);
}

.portfolio-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.portfolio-card {
  text-align: center;
  min-height: 280px;
  display: flex;
  flex-direction: column;
}

.portfolio-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.portfolio-card h4 {
  margin-bottom: var(--spacing-xs);
}

.portfolio-card p {
  color: var(--text-secondary);
  line-height: 1.6;
  flex-grow: 1;
}

.portfolio-tech {
  display: inline-block;
  margin-top: var(--spacing-sm);
  font-size: 0.85rem;
  color: var(--accent);
  font-family: var(--mono);
  background: rgba(59, 130, 246, 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: 2rem;
}

/* ============================================================
   BLOG
   ============================================================ */
.blog {
  background: var(--bg-secondary);
}

.blog-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.blog-card {
  display: flex;
  flex-direction: column;
}

.blog-card .blog-date {
  font-size: 0.8rem;
  color: var(--accent-glow);
  font-family: var(--mono);
  margin-bottom: 0.5rem;
}

.blog-card h4 {
  margin-bottom: 0.5rem;
}

.blog-card p {
  color: var(--text-secondary);
  flex-grow: 1;
  margin-bottom: var(--spacing-sm);
}

.blog-card .read-more {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.95rem;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg) 100%);
  position: relative;
}

.contact-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.contact-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: rgba(59, 130, 246, 0.05);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(59, 130, 246, 0.1);
  transition: var(--transition);
}

.contact-method:hover {
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.3);
  transform: translateX(5px);
}

.method-icon {
  font-size: 0.85rem;
  font-weight: 700;
  font-family: var(--mono);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59, 130, 246, 0.1);
  border-radius: var(--radius-sm);
  color: var(--accent-glow);
  flex-shrink: 0;
}

.method-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.method-value {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.95rem;
}

.availability {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: var(--spacing-sm);
  background: rgba(34, 197, 94, 0.1);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: var(--green);
  font-weight: 600;
}

.status-dot {
  width: 10px;
  height: 10px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse-glow 2s ease-in-out infinite;
}

/* Form */
.contact-form h3 {
  margin-bottom: var(--spacing-md);
}

.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
  font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-note {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-align: center;
  margin-top: var(--spacing-sm);
}

.input-hint {
  display: block;
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
  font-family: var(--mono);
}

/* ============================================================
   PAYMENT SECTION
   ============================================================ */
.payment-section {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-secondary) 100%);
}

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

.section-header h2 {
  margin-bottom: 0.5rem;
}

.section-header p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

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

.payment-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  max-width: 1000px;
  margin: 0 auto;
}

.payment-card {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.payment-card:hover {
  border-color: rgba(139, 92, 246, 0.35);
}

.payment-card h3 {
  color: var(--purple-glow);
  font-size: 1.25rem;
}

.form-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
}

.form-success {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: var(--green);
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
}

.required {
  color: #f87171;
}

.amount-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

.amount-btn {
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: var(--text);
  padding: 0.7rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.amount-btn:hover {
  background: rgba(59, 130, 246, 0.18);
  border-color: rgba(59, 130, 246, 0.4);
  transform: translateY(-1px);
}

.amount-btn.active {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.7), rgba(139, 92, 246, 0.7));
  border-color: var(--purple-glow);
  color: #fff;
  box-shadow: 0 0 16px rgba(139, 92, 246, 0.3);
}

.service-grid {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.service-btn {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(59, 130, 246, 0.06);
  border: 1px solid rgba(59, 130, 246, 0.15);
  color: var(--text);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.92rem;
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
  text-decoration: none;
  width: 100%;
}

.service-btn:hover {
  background: rgba(59, 130, 246, 0.14);
  border-color: rgba(59, 130, 246, 0.35);
  transform: translateX(3px);
}

.service-btn.active {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.6), rgba(139, 92, 246, 0.6));
  border-color: var(--purple-glow);
  color: #fff;
  box-shadow: 0 0 14px rgba(139, 92, 246, 0.25);
}

.custom-svc {
  background: rgba(139, 92, 246, 0.08);
  border: 1px dashed rgba(139, 92, 246, 0.3);
}

.custom-svc:hover {
  background: rgba(139, 92, 246, 0.18);
  border-color: rgba(139, 92, 246, 0.5);
}

.svc-name {
  font-weight: 600;
}

.svc-price {
  font-family: var(--mono);
  font-size: 0.88rem;
  color: var(--accent-glow);
  font-weight: 600;
}

.service-btn.active .svc-price {
  color: #fff;
}

.payment-method-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
  margin-top: 0.4rem;
}

.payment-method-btn {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 4rem;
  padding: 0.65rem;
  background: rgba(15, 23, 42, 0.35);
  border: 1px solid rgba(59, 130, 246, 0.18);
  color: var(--text);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
  font-family: var(--font);
}

.payment-method-btn:hover {
  background: rgba(59, 130, 246, 0.12);
  border-color: rgba(59, 130, 246, 0.35);
  transform: translateY(-1px);
}

.payment-method-btn.active {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.55), rgba(139, 92, 246, 0.55));
  border-color: var(--purple-glow);
  box-shadow: 0 0 14px rgba(139, 92, 246, 0.22);
}

.payment-method-btn img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.92);
  padding: 4px;
  flex-shrink: 0;
}

.payment-method-name {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.25;
}

.payment-method-meta {
  display: block;
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-top: 0.15rem;
}

.payment-method-btn.active .payment-method-meta {
  color: rgba(255, 255, 255, 0.82);
}

.payment-method-empty {
  grid-column: 1 / -1;
  color: var(--text-secondary);
  font-size: 0.85rem;
  padding: 0.65rem;
  border: 1px dashed rgba(59, 130, 246, 0.25);
  border-radius: var(--radius-sm);
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

.skeleton-line {
  height: 2.8rem;
  background: linear-gradient(90deg, rgba(59, 130, 246, 0.08) 25%, rgba(59, 130, 246, 0.15) 50%, rgba(59, 130, 246, 0.08) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.4s ease-in-out infinite;
  border-radius: var(--radius-sm);
  margin-bottom: 0.55rem;
}

.skeleton-line.short {
  width: 75%;
}

.retry-link {
  background: none;
  border: none;
  color: var(--accent-glow);
  cursor: pointer;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: underline;
  padding: 0;
}

@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
  margin-right: 0.4rem;
}

@keyframes spin { to { transform: rotate(360deg); } }

.char-count {
  display: block;
  text-align: right;
  font-size: 0.72rem;
  color: var(--text-secondary);
  font-family: var(--mono);
  margin-top: 0.15rem;
}

.donation-impact {
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.2);
  color: var(--green);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin-top: 0.5rem;
  transition: var(--transition);
}

.sticky-pay-cta {
  display: none;
}

.svc-icon {
  width: 1.2rem;
  height: 1.2rem;
  margin-right: 0.5rem;
  opacity: 0.6;
  flex-shrink: 0;
}

.service-btn.active .svc-icon { opacity: 1; }

.payment-status-section {
  padding: var(--spacing-xl) 0;
  min-height: 60vh;
  display: flex;
  align-items: center;
}

.status-card {
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
  padding: var(--spacing-lg);
}

.status-spinner {
  margin-bottom: var(--spacing-md);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--bg);
  border-top: 1px solid rgba(59, 130, 246, 0.1);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-brand p {
  color: var(--text-secondary);
  margin-top: 0.5rem;
  max-width: 300px;
}

.footer-links h4 {
  margin-bottom: var(--spacing-sm);
  font-size: 1rem;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--text-secondary);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent-glow);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(59, 130, 246, 0.1);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Sticky WA */
.sticky-wa {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #25d366;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  color: #fff;
  z-index: 1000;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
  transition: var(--transition);
}

.sticky-wa:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(37, 211, 102, 0.5);
}

.sticky-wa svg {
  width: 28px;
  height: 28px;
  fill: #fff;
}

.wa-text {
  display: none;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes pulse-glow {

  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7);
  }

  50% {
    box-shadow: 0 0 0 8px rgba(34, 197, 94, 0);
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.98);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 1.25rem;
  }

  .nav-toggle {
    display: block;
    z-index: 101;
  }

  .hero {
    min-height: auto;
    padding: 8rem 0 4rem;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .hero-cta .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }

  .hero::after {
    display: none;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .wa-text {
    display: none;
  }

  .sticky-wa {
    padding: 1rem;
  }

  .stack-item {
    width: 100px;
  }

  .sticky-pay-cta {
    display: flex;
    position: fixed;
    bottom: 72px;
    left: 16px;
    right: 16px;
    background: linear-gradient(135deg, var(--accent), var(--purple));
    color: #fff;
    padding: 0.8rem;
    border-radius: var(--radius-sm);
    text-align: center;
    font-weight: 700;
    font-size: 1rem;
    z-index: 999;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
    text-decoration: none;
  }
}

@media (max-width: 480px) {
  section {
    padding: var(--spacing-lg) 0;
  }

  .card {
    padding: var(--spacing-sm);
  }

  .payment-method-grid {
    grid-template-columns: 1fr;
  }
}

/* Tablet */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .payment-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
  }

  .hero-stats {
    max-width: 400px;
  }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }

  html {
    scroll-behavior: auto;
  }
}