/* ============================================
   FINESYNERGY - Minimalist Apple-Style CSS
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  --color-bg: #000000;
  --color-bg-secondary: #0a0a0a;
  --color-primary: #B700FF;
  --color-text: #f5f5f7;
  --color-text-secondary: #86868b;
  --color-border: #1d1d1f;

  --font-main: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Helvetica, Arial, sans-serif;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 5rem;

  --max-width: 980px;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  font-weight: 400;
}

a {
  color: #FCE1F7;
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  opacity: 0.8;
}

ul, ol {
  list-style: none;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 600;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 600;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

h4 {
  font-size: 1rem;
  font-weight: 600;
}

p {
  color: var(--color-text-secondary);
  font-size: 1.0625rem;
  line-height: 1.6;
}

.text-gradient {
  background: linear-gradient(90deg, var(--color-primary), #d97cff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

/* Decorative line between sections */
.section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(183, 0, 255, 0.3), transparent);
}

.section-sm {
  padding: var(--spacing-lg) 0;
  position: relative;
}

.section-sm::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(183, 0, 255, 0.2), transparent);
}

/* ---------- Navigation ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--color-border);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 48px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
}

.logo img {
  width: 24px;
  height: 24px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav-link {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 4px;
}

.nav-toggle span {
  width: 18px;
  height: 1.5px;
  background: var(--color-text);
  transition: var(--transition);
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 100px var(--spacing-md) var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

/* Hero background effects */
.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(183, 0, 255, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    linear-gradient(90deg, transparent 49.5%, rgba(183, 0, 255, 0.03) 49.5%, rgba(183, 0, 255, 0.03) 50.5%, transparent 50.5%),
    linear-gradient(0deg, transparent 49.5%, rgba(183, 0, 255, 0.03) 49.5%, rgba(183, 0, 255, 0.03) 50.5%, transparent 50.5%);
  background-size: 80px 80px;
  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 {
  max-width: 680px;
  position: relative;
  z-index: 1;
}

.hero h1 {
  margin-bottom: var(--spacing-sm);
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 400;
  border-radius: 8px;
  transition: var(--transition);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: #a000e0;
  color: #fff;
}

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

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

/* ---------- Services Grid ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
}

.service-card {
  background: var(--color-bg-secondary);
  border-radius: 18px;
  padding: var(--spacing-md);
  transition: var(--transition);
}

.service-card:hover {
  background: #111;
}

.service-card h3 {
  margin-bottom: var(--spacing-xs);
}

.service-card p {
  font-size: 0.9375rem;
}

.service-card .link {
  display: inline-block;
  margin-top: var(--spacing-sm);
  font-size: 0.9375rem;
}

/* ---------- Features ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
  text-align: center;
}

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

.feature p {
  font-size: 0.875rem;
}

/* ---------- About ---------- */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.about-logo img {
  width: 120px;
  margin: 0 auto;
}

.about-text h2 {
  margin-bottom: var(--spacing-sm);
}

.about-text p {
  margin-bottom: var(--spacing-sm);
}

/* ---------- Values ---------- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
}

.value-card {
  padding: var(--spacing-md);
  background: var(--color-bg-secondary);
  border-radius: 18px;
}

.value-card h4 {
  margin-bottom: var(--spacing-xs);
  color: var(--color-primary);
}

.value-card p {
  font-size: 0.9375rem;
}

/* ---------- CTA ---------- */
.cta {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
  background: var(--color-bg-secondary);
  border-radius: 24px;
}

.cta h2 {
  margin-bottom: var(--spacing-xs);
}

.cta p {
  margin-bottom: var(--spacing-md);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

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

.contact-info h2 {
  margin-bottom: var(--spacing-sm);
}

.contact-info > p {
  margin-bottom: var(--spacing-md);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.contact-item:last-child {
  border-bottom: none;
}

.contact-item h4 {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.contact-item p {
  color: var(--color-text);
  font-size: 1rem;
}

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

.form-message {
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: var(--spacing-md);
  font-size: 0.875rem;
}

.form-message.success {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #22c55e;
}

.form-message.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

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

.form-group label {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  color: var(--color-text);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-group .btn {
  width: 100%;
  margin-top: var(--spacing-xs);
}

/* ---------- Page Header ---------- */
.page-header {
  padding: 120px 0 var(--spacing-lg);
  text-align: center;
}

.page-header p {
  font-size: 1.25rem;
  margin-top: var(--spacing-xs);
}

/* ---------- Footer ---------- */
.footer {
  padding: var(--spacing-md) 0;
  border-top: 1px solid var(--color-border);
  margin-top: var(--spacing-xl);
}

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

.footer-nav {
  display: flex;
  gap: var(--spacing-md);
}

.footer-nav a {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

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

.footer-copy {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 48px;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
  }

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

  .about-content,
  .contact-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-logo {
    order: -1;
  }

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

  .footer .container {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }
}

/* ---------- Portfolio Fan Cards ---------- */
.portfolio-fan {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  position: relative;
  height: 320px;
  perspective: 1000px;
}

.fan-card {
  width: 280px;
  height: 280px;
  background: var(--color-bg-secondary);
  border-radius: 24px;
  display: flex;
  align-items: flex-end;
  padding: var(--spacing-md);
  position: absolute;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.fan-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.8) 100%);
  z-index: 1;
}

.fan-card-content {
  position: relative;
  z-index: 2;
}

.fan-card-logo {
  position: absolute;
  top: 45%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 2.5rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.6);
  z-index: 0;
}

.fan-card-logo-wrap {
  position: absolute;
  top: 45%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  z-index: 0;
}

.fan-card-logo-img {
  width: 40px;
  height: 40px;
  opacity: 0.8;
}

.fan-card-logo-text {
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.6);
}

.fan-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
  color: var(--color-text);
}

.fan-card p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin: 0;
}

.fan-card-left {
  transform: rotate(-8deg) translateX(-60px);
  transform-origin: bottom center;
  z-index: 1;
}

.fan-card-right {
  transform: rotate(8deg) translateX(60px);
  transform-origin: bottom center;
  z-index: 1;
}

.fan-card-left:hover {
  transform: rotate(0deg) translateX(-100px) translateY(-20px) scale(1.05);
  z-index: 10;
  box-shadow: 0 20px 60px rgba(183, 0, 255, 0.3);
  border-color: var(--color-primary);
}

.fan-card-right:hover {
  transform: rotate(0deg) translateX(100px) translateY(-20px) scale(1.05);
  z-index: 10;
  box-shadow: 0 20px 60px rgba(183, 0, 255, 0.3);
  border-color: var(--color-primary);
}

/* Portfolio Grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.portfolio-card {
  background: var(--color-bg-secondary);
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.portfolio-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
}

.portfolio-card-image {
  height: 200px;
  background: var(--color-bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.portfolio-card-image h2 {
  font-size: 2.5rem;
  color: white;
}

.portfolio-logo-text {
  font-size: 3rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.8);
}

.portfolio-logo-img {
  width: 80px;
  height: 80px;
  opacity: 0.8;
}

.portfolio-card-content {
  padding: var(--spacing-md);
}

.portfolio-card-content h3 {
  margin-bottom: var(--spacing-xs);
}

.portfolio-card-content p {
  font-size: 0.9375rem;
  margin-bottom: var(--spacing-sm);
}

/* Product Page Hero */
.product-hero {
  padding: 120px 0 var(--spacing-xl);
  text-align: center;
}

.product-hero h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  margin-bottom: var(--spacing-sm);
}

.product-hero .subtitle {
  font-size: 1.5rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

/* Product Features */
.product-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.product-feature {
  text-align: center;
  padding: var(--spacing-md);
}

.product-feature h4 {
  margin-bottom: var(--spacing-xs);
}

/* ---------- Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

/* ---------- Responsive Portfolio ---------- */
@media (max-width: 768px) {
  .portfolio-fan {
    flex-direction: column;
    height: auto;
    gap: var(--spacing-sm);
  }

  .fan-card {
    position: relative;
    width: 100%;
    height: 200px;
  }

  .fan-card-left,
  .fan-card-right {
    transform: none;
  }

  .fan-card-left:hover,
  .fan-card-right:hover {
    transform: translateY(-8px) scale(1.02);
  }

  .portfolio-grid,
  .product-features {
    grid-template-columns: 1fr;
  }
}