/* ============================================
   Parallelis — Neo-Industrial Solar Design System
   Anti-AI-slop by design
   ============================================ */

/* --- Custom Properties --- */
:root {
  /* palette */
  --bg: oklch(12% 0.005 260);
  --surface: oklch(16% 0.005 260);
  --surface-hover: oklch(20% 0.005 260);
  --accent: oklch(65% 0.18 75);
  --accent-glow: oklch(65% 0.18 75 / 0.15);
  --accent-bg: oklch(65% 0.18 75 / 0.04);
  --accent-border: oklch(65% 0.18 75 / 0.15);
  --accent-light: oklch(65% 0.18 75 / 0.3);
  --accent-2: oklch(55% 0.12 45);
  --text: oklch(92% 0 0);
  --text-secondary: oklch(75% 0.005 80);
  --text-muted: oklch(55% 0.005 80);
  --border: oklch(25% 0.005 75);
  --border-light: oklch(20% 0.005 75);
  --border-hover: oklch(40% 0.005 75);
  --surface-overlay: oklch(100% 0 0 / 0.05);

  /* typography */
  --font-display: 'Sora', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* spacing */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1.5rem;
  --space-lg: 3rem;
  --space-xl: 5rem;
  --space-2xl: 7rem;

  /* layout */
  --max-width: 1200px;
  --header-height: 4.5rem;

  /* easing */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);

  color-scheme: dark;
  font-synthesis: none;
}

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

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

body {
  font-family: var(--font-display);
  font-weight: 400;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 1rem;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font: inherit; color: inherit; }

::selection {
  background: var(--accent);
  color: var(--bg);
}

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

/* --- Typography --- */
.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.mono-accent {
  color: var(--accent);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--text);
}

.text-accent {
  color: var(--accent);
  font-weight: 500;
}

/* --- Skip Link --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
  font-size: 0.85rem;
  z-index: 200;
  border-radius: 0 0 6px 6px;
  transition: top 0.2s var(--ease-out-quart);
}

.skip-link:focus {
  top: 0;
}

/* --- Header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  transition: background 0.3s var(--ease-out-quart),
              border-color 0.3s var(--ease-out-quart);
}

.site-header.scrolled {
  background: color-mix(in oklch, var(--bg) 85%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  transition: opacity 0.2s var(--ease-out-quart);
}

.logo:hover { opacity: 0.8; }

.logo-img {
  height: 72px;
  width: auto;
}

.logo-img--small {
  height: 48px;
}

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

.nav-links a:not(.btn) {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-secondary);
  transition: color 0.2s var(--ease-out-quart);
}

.nav-links a:not(.btn):hover {
  color: var(--text);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 6px;
  transition: all 0.2s var(--ease-out-quart);
  white-space: nowrap;
  min-height: 44px;
}

.btn--primary {
  background: var(--accent);
  color: var(--bg);
  position: relative;
  overflow: hidden;
}

.btn--primary[style*="--btn-error: 1"] {
  background: oklch(50% 0.15 20);
}

.btn--primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, oklch(100% 0 0 / 0.2));
  opacity: 0;
  transition: opacity 0.3s var(--ease-out-quart);
}

.btn--primary:hover {
  transform: scale(1.02);
  box-shadow: 0 0 30px var(--accent-glow), 0 4px 20px var(--accent-light);
}

.btn--primary:hover::after { opacity: 1; }

.btn-arrow {
  transition: transform 0.2s var(--ease-out-quart);
}

.btn--primary:hover .btn-arrow {
  transform: translateX(4px);
}

.btn--ghost {
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn--ghost:hover {
  color: var(--text);
  border-color: var(--text-muted);
  background: var(--surface-overlay);
}

.btn--nav {
  padding: 0.6rem 1.2rem;
  font-size: 0.8rem;
  background: var(--surface-overlay);
  border: 1px solid var(--border);
  color: var(--text);
  min-height: 44px;
}

.btn--nav:hover {
  background: var(--surface-overlay);
  border-color: var(--accent);
}

.btn--full { width: 100%; justify-content: center; }

/* --- Hero --- */
.hero {
  min-height: 100vh;
  position: relative;
  padding: var(--header-height) 0 0;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 60% at 30% 50%, var(--accent-bg), transparent 60%),
    linear-gradient(to bottom, transparent 0%, var(--bg) 100%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-lg);
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
  width: 100%;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: revealUp 0.5s 0.15s var(--ease-out-expo) forwards;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 200;
  letter-spacing: -0.04em;
  line-height: 0.95;
  margin-bottom: var(--space-lg);
  display: flex;
  flex-wrap: wrap;
  gap: 0.15em 0.3em;
  opacity: 0;
  animation: revealUp 0.5s 0.25s var(--ease-out-expo) forwards;
}

.hero-word {
  display: inline-block;
  opacity: 1;
}

.hero-word--accent {
  color: var(--accent);
  font-weight: 600;
}

.hero-subtitle {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  font-weight: 300;
  color: var(--text-secondary);
  max-width: 480px;
  line-height: 1.6;
  margin-bottom: var(--space-lg);
  opacity: 0;
  animation: revealUp 0.5s 0.4s var(--ease-out-expo) forwards;
}

.hero-actions {
  display: flex;
  gap: var(--space-sm);
  opacity: 0;
  animation: revealUp 0.5s 0.55s var(--ease-out-expo) forwards;
}

.hero-visual {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: flex-end;
  opacity: 0;
  animation: revealUp 0.5s 0.5s var(--ease-out-expo) forwards;
}

.hero-stat {
  text-align: right;
}

.hero-stat-value {
  font-family: var(--font-display);
  font-size: clamp(4rem, 10vw, 7rem);
  font-weight: 100;
  line-height: 0.85;
  color: var(--text);
  letter-spacing: -0.05em;
}

.hero-stat-unit {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 200;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.hero-stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  opacity: 0;
  animation: revealUp 0.5s 0.8s var(--ease-out-expo) forwards;
}

.scroll-line {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--text-muted), transparent);
}

@keyframes revealUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Hamburger --- */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  cursor: pointer;
  z-index: 101;
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: transform 0.25s var(--ease-out-quart),
              opacity 0.2s var(--ease-out-quart);
}

.hamburger[aria-expanded="true"] .hamburger-line:first-child {
  transform: translateY(7px) rotate(45deg);
}

.hamburger[aria-expanded="true"] .hamburger-line:last-child {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Sections --- */
section {
  padding: var(--space-2xl) var(--space-md);
  overflow-x: hidden;
}

.services,
.process,
.contact {
  content-visibility: auto;
  contain-intrinsic-size: 600px;
}

.section-header {
  max-width: 700px;
  margin: 0 auto var(--space-lg);
}

/* --- Services --- */
.services {
  max-width: var(--max-width);
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border-light);
  border: 1px solid var(--border-light);
}

.service-card {
  padding: var(--space-md);
  background: var(--surface);
  transition: background 0.3s var(--ease-out-quart);
}

.service-card:hover {
  background: var(--surface-hover);
}

.service-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
}

.service-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--text);
}

.service-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- Process --- */
.process {
  max-width: var(--max-width);
  margin: 0 auto;
}

.process-timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  left: 40px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: repeating-linear-gradient(
    to bottom,
    var(--border-light) 0px,
    var(--border-light) 4px,
    transparent 4px,
    transparent 8px
  );
}

.process-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-md);
  align-items: start;
  margin-left: 40px;
}

.step-number {
  position: relative;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-digit {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 300;
  color: var(--accent);
  position: relative;
  z-index: 1;
}

.step-ring {
  position: absolute;
  inset: 0;
  width: 80px;
  height: 80px;
  color: var(--accent);
  opacity: 0.3;
}

.step-ring circle {
  transition: stroke-dashoffset 1.2s var(--ease-out-expo);
}

.process-step.visible .step-ring circle {
  stroke-dashoffset: 0;
}

.step-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.3rem;
}

.step-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}

.step-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 500px;
  line-height: 1.7;
}

/* --- Featured Product (AI Receptionist) --- */
.featured-product {
  max-width: var(--max-width);
  margin: 0 auto;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  padding: var(--space-2xl) var(--space-md);
  background: var(--surface);
}

.fp-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-lg);
  align-items: center;
}

.fp-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: var(--space-md) 0;
  max-width: 480px;
}

.fp-desc strong {
  color: var(--text);
  font-weight: 500;
}

.fp-stats {
  display: flex;
  gap: var(--space-lg);
  margin: var(--space-md) 0;
}

.fp-stat-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 200;
  letter-spacing: -0.03em;
  color: var(--accent);
  display: block;
}

.fp-stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.fp-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

/* --- Phone mockup --- */
.fp-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.fp-phone {
  width: 220px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 12px;
  position: relative;
}

.fp-phone-notch {
  width: 60px;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  margin: 0 auto 16px;
}

.fp-phone-screen {
  padding: 0 8px 16px;
}

.fp-wave-bars {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  height: 32px;
  margin-bottom: 12px;
}

.fp-wave-bars span {
  display: block;
  width: 3px;
  background: var(--accent);
  border-radius: 2px;
  animation: wave-bar 1.2s ease-in-out infinite;
}

.fp-wave-bars span:nth-child(1) { height: 8px; animation-delay: 0s; }
.fp-wave-bars span:nth-child(2) { height: 16px; animation-delay: 0.1s; }
.fp-wave-bars span:nth-child(3) { height: 24px; animation-delay: 0.2s; }
.fp-wave-bars span:nth-child(4) { height: 16px; animation-delay: 0.3s; }
.fp-wave-bars span:nth-child(5) { height: 8px; animation-delay: 0.4s; }

@keyframes wave-bar {
  0%, 100% { transform: scaleY(0.5); opacity: 0.5; }
  50% { transform: scaleY(1); opacity: 1; }
}

.fp-phone-text {
  font-size: 0.7rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 10px;
  padding: 8px;
  background: oklch(65% 0.18 75 / 0.06);
  border-radius: 8px 8px 8px 2px;
}

.fp-phone-response {
  font-size: 0.65rem;
  color: var(--text-muted);
  line-height: 1.5;
  padding: 8px;
  background: var(--surface);
  border-radius: 8px 8px 2px 8px;
  display: flex;
  align-items: flex-start;
  gap: 6px;
}

.fp-dot-active {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: oklch(60% 0.15 145);
  flex-shrink: 0;
  margin-top: 4px;
}

/* --- About Section --- */
.about {
  padding: var(--space-2xl) var(--space-md);
  border-top: 1px solid var(--border-light);
}

.about-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.about-text {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: var(--space-sm);
}

.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-light);
}

.about-value-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
  display: block;
}

.about-value h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
  color: var(--text);
}

.about-value p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 640px) {
  .about-values {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}

/* --- Expertise Marquee --- */
.expertise {
  max-width: 100%;
  padding-left: 0;
  padding-right: 0;
}

.expertise .section-header {
  padding: 0 var(--space-md);
  max-width: var(--max-width);
  margin: 0 auto var(--space-xl);
}

.expertise-marquee {
  overflow: hidden;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  padding: var(--space-md) 0;
}

.expertise-marquee:hover .marquee-track {
  animation-play-state: paused;
}

.marquee-track {
  display: flex;
  gap: 2rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--text-muted);
  white-space: nowrap;
  animation: marquee 30s linear infinite;
}

.marquee-sep {
  color: var(--accent);
  opacity: 0.4;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --- Contact --- */
.contact {
  max-width: var(--max-width);
  margin: 0 auto;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.contact-lede {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.contact-details {
  margin-top: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.contact-location,
.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.contact-email {
  color: var(--accent);
  transition: opacity 0.2s var(--ease-out-quart);
}

.contact-email:hover {
  opacity: 0.7;
}

.contact-details svg {
  flex-shrink: 0;
}

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border-light);
  padding: var(--space-md);
}

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

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 0;
  font-size: 0.95rem;
  transition: border-color 0.2s var(--ease-out-quart);
  color: var(--text);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  box-shadow: 0 0 0 4px var(--accent-glow);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-note {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: var(--space-sm);
}

/* --- Footer --- */
.site-footer {
  border-top: 1px solid var(--border-light);
  padding: var(--space-lg) var(--space-md) var(--space-md);
}

.footer-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-md);
}

.footer-brand .logo {
  margin-bottom: var(--space-sm);
}

.footer-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  max-width: 260px;
}

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

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--text);
}

.footer-col a {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 0.3rem 0;
  transition: color 0.2s var(--ease-out-quart);
}

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

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-light);
}

.footer-bottom p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* --- Reveal Animation --- */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease-out-expo),
              transform 0.6s var(--ease-out-expo);
}

[data-reveal].visible {
  opacity: 1;
  transform: translateY(0);
}

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

  html { scroll-behavior: auto; }

  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* --- Responsive --- */
@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    padding-top: var(--space-xl);
  }

  .hero-visual {
    flex-direction: row;
    gap: var(--space-lg);
    align-items: flex-start;
    justify-content: flex-start;
  }

  .hero-stat {
    text-align: left;
  }

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

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

  .fp-inner {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .fp-visual {
    order: -1;
  }

  .fp-stats {
    gap: var(--space-md);
  }

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

  .process-step {
    margin-left: 20px;
    grid-template-columns: 60px 1fr;
    gap: var(--space-md);
  }

  .step-number {
    width: 60px;
    height: 60px;
  }

  .step-ring { width: 60px; height: 60px; }
  .step-digit { font-size: 1.5rem; }

  .process-timeline::before {
    left: 30px;
  }
}

@media (max-width: 640px) {
  :root {
    --space-2xl: 5rem;
  }

  .hero-grid {
    padding: var(--space-lg) var(--space-md);
  }

  .hero-title {
    font-size: clamp(2.2rem, 10vw, 3.5rem);
  }

  .hero-stat-value {
    font-size: clamp(2.5rem, 15vw, 4rem);
  }

  .hero-visual {
    gap: var(--space-md);
  }

  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-lg);
    background: var(--surface);
    border-left: 1px solid var(--border);
    padding: var(--space-xl);
    transition: right 0.3s var(--ease-out-expo);
    z-index: 100;
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a:not(.btn) {
    display: block;
    font-size: 1.1rem;
  }

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

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

  .hero-title {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .section-title {
    font-size: clamp(1.8rem, 8vw, 2.8rem);
  }
}