/* ============================================================
   EVXLabs.cl — Dark Corporate Luxe Design System
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --c-bg-deep: #06060b;
  --c-bg-primary: #0a0a12;
  --c-bg-elevated: #111120;
  --c-bg-card: rgba(17, 17, 32, 0.6);
  --c-bg-card-hover: rgba(22, 22, 42, 0.8);

  --c-accent: #00e68a;
  --c-accent-dim: #00cc7a;
  --c-accent-glow: rgba(0, 230, 138, 0.25);
  --c-accent-glow-strong: rgba(0, 230, 138, 0.45);
  --c-accent-secondary: #00c9ff;

  --c-text-primary: #f0f0f5;
  --c-text-secondary: #a0a0b8;
  --c-text-muted: #6a6a80;
  --c-text-accent: var(--c-accent);

  --c-border: rgba(255, 255, 255, 0.06);
  --c-border-accent: rgba(0, 230, 138, 0.2);
  --c-border-hover: rgba(0, 230, 138, 0.4);

  --c-danger: #ff4d6a;

  /* Typography */
  --f-display: 'Syne', sans-serif;
  --f-body: 'DM Sans', sans-serif;

  --fs-hero: clamp(2.2rem, 4.5vw, 3.8rem);
  --fs-h2: clamp(2rem, 4vw, 3.2rem);
  --fs-h3: clamp(1.3rem, 2.5vw, 1.6rem);
  --fs-h4: clamp(1.1rem, 1.5vw, 1.25rem);
  --fs-body: clamp(0.95rem, 1.2vw, 1.1rem);
  --fs-small: 0.875rem;
  --fs-xs: 0.75rem;

  --lh-tight: 1.1;
  --lh-snug: 1.3;
  --lh-normal: 1.6;
  --lh-relaxed: 1.8;

  --ls-tight: -0.03em;
  --ls-normal: 0;
  --ls-wide: 0.08em;
  --ls-ultra: 0.2em;

  /* Spacing */
  --s-xs: 0.5rem;
  --s-sm: 1rem;
  --s-md: 1.5rem;
  --s-lg: 2.5rem;
  --s-xl: 4rem;
  --s-2xl: 6rem;
  --s-3xl: 8rem;
  --s-section: clamp(5rem, 12vh, 9rem);

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 800px;

  /* Borders & Radius */
  --r-sm: 6px;
  --r-md: 12px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-full: 9999px;

  /* Effects */
  --blur-glass: 20px;
  --blur-glow: 40px;
  --shadow-card: 0 4px 30px rgba(0, 0, 0, 0.4);
  --shadow-elevated: 0 8px 50px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 40px var(--c-accent-glow);
  --shadow-glow-strong: 0 0 60px var(--c-accent-glow-strong);

  /* Transitions */
  --t-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --t-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --t-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --t-spring: 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* --- Reset & Base --- */
*, *::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(--f-body);
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
  color: var(--c-text-primary);
  background: var(--c-bg-deep);
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
  outline: none;
}

/* --- Noise Overlay (atmospheric texture) --- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.03;
  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)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

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

.container--narrow {
  max-width: var(--max-width-narrow);
}

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

/* --- Section Commons --- */
.section {
  padding: var(--s-section) 0;
  position: relative;
}

.section__label {
  font-family: var(--f-display);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--ls-ultra);
  color: var(--c-accent);
  margin-bottom: var(--s-sm);
  display: flex;
  align-items: center;
  gap: var(--s-xs);
}

.section__label::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--c-accent);
}

.section__title {
  font-family: var(--f-display);
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  color: var(--c-text-primary);
  margin-bottom: var(--s-md);
}

.section__subtitle {
  font-size: var(--fs-body);
  line-height: var(--lh-relaxed);
  color: var(--c-text-secondary);
  max-width: 600px;
}

/* Reveal animation base */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--t-slow), transform var(--t-slow);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity var(--t-slow), transform var(--t-slow);
}

.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: 0.05s; opacity: 1; transform: translateY(0); }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 0.15s; opacity: 1; transform: translateY(0); }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 0.25s; opacity: 1; transform: translateY(0); }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 0.35s; opacity: 1; transform: translateY(0); }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: 0.45s; opacity: 1; transform: translateY(0); }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: 0.55s; opacity: 1; transform: translateY(0); }

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--s-sm) 0;
  transition: background var(--t-normal), backdrop-filter var(--t-normal), box-shadow var(--t-normal);
}

.nav.is-scrolled {
  background: rgba(6, 6, 11, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--c-border);
}

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

.nav__logo {
  font-family: var(--f-display);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: var(--ls-wide);
  color: var(--c-text-primary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.nav__logo-accent {
  color: var(--c-accent);
}

.nav__logo-dot {
  font-size: 0.6rem;
  color: var(--c-text-muted);
  margin-left: 0.2rem;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--s-lg);
}

.nav__link {
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--c-text-secondary);
  transition: color var(--t-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--c-accent);
  transition: width var(--t-normal);
}

.nav__link:hover {
  color: var(--c-text-primary);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__cta {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--c-bg-deep);
  background: var(--c-accent);
  padding: 0.6rem 1.4rem;
  border-radius: var(--r-full);
  transition: background var(--t-fast), box-shadow var(--t-fast), transform var(--t-fast);
  cursor: pointer;
}

.nav__cta:hover {
  background: var(--c-accent-dim);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

/* Mobile menu */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--c-text-primary);
  border-radius: 2px;
  transition: transform var(--t-fast), opacity var(--t-fast);
}

.nav__toggle.is-active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.is-active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

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

/* Gradient mesh overlay */
.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -20%;
  width: 70%;
  height: 80%;
  background: radial-gradient(ellipse, var(--c-accent-glow) 0%, transparent 60%);
  filter: blur(100px);
  z-index: 1;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to top, var(--c-bg-deep), transparent);
  z-index: 2;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 3;
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--s-xs);
  font-family: var(--f-display);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--ls-ultra);
  color: var(--c-accent);
  padding: 0.4rem 1rem;
  border: 1px solid var(--c-border-accent);
  border-radius: var(--r-full);
  margin-bottom: var(--s-lg);
  margin-left: auto;
  margin-right: auto;
  background: rgba(0, 230, 138, 0.05);
  animation: hero-badge-in 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

@keyframes hero-badge-in {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero__title {
  font-family: var(--f-display);
  font-size: var(--fs-hero);
  font-weight: 800;
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  color: var(--c-text-primary);
  margin-bottom: var(--s-md);
  animation: hero-title-in 0.9s cubic-bezier(0.4, 0, 0.2, 1) 0.4s both;
}

.hero__title-accent {
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@keyframes hero-title-in {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero__subtitle {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  line-height: var(--lh-relaxed);
  color: var(--c-text-secondary);
  margin-bottom: var(--s-xl);
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
  animation: hero-sub-in 0.9s cubic-bezier(0.4, 0, 0.2, 1) 0.6s both;
}

@keyframes hero-sub-in {
  from { opacity: 0; transform: translateY(25px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-md);
  flex-wrap: wrap;
  animation: hero-actions-in 0.9s cubic-bezier(0.4, 0, 0.2, 1) 0.8s both;
}

@keyframes hero-actions-in {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: var(--fs-small);
  letter-spacing: var(--ls-wide);
  padding: 0.9rem 2rem;
  border-radius: var(--r-full);
  cursor: pointer;
  transition: all var(--t-fast);
  position: relative;
  overflow: hidden;
}

.btn--primary {
  color: var(--c-bg-deep);
  background: var(--c-accent);
  box-shadow: 0 0 20px var(--c-accent-glow);
}

.btn--primary:hover {
  background: #00ff99;
  box-shadow: var(--shadow-glow-strong);
  transform: translateY(-2px);
}

.btn--primary:active {
  transform: translateY(0);
}

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

.btn--ghost:hover {
  color: var(--c-text-primary);
  border-color: var(--c-border-hover);
  background: rgba(255, 255, 255, 0.03);
}

.btn__icon {
  width: 16px;
  height: 16px;
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: var(--s-xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--c-text-muted);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  animation: hero-scroll-in 1s cubic-bezier(0.4, 0, 0.2, 1) 1.2s both;
}

@keyframes hero-scroll-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--c-accent), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}

@keyframes scroll-line {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================================================
   PAIN SECTION
   ============================================================ */
.pain {
  background: var(--c-bg-primary);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}

.pain__header {
  text-align: center;
  margin-bottom: var(--s-2xl);
}

.pain__header .section__subtitle {
  margin: 0 auto;
}

.pain__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-lg);
}

.pain__card {
  padding: var(--s-xl) var(--s-lg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  background: var(--c-bg-card);
  backdrop-filter: blur(var(--blur-glass));
  -webkit-backdrop-filter: blur(var(--blur-glass));
  transition: border-color var(--t-normal), background var(--t-normal), transform var(--t-normal);
  position: relative;
  overflow: hidden;
}

.pain__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-danger), transparent);
  opacity: 0;
  transition: opacity var(--t-normal);
}

.pain__card:hover {
  border-color: rgba(255, 77, 106, 0.2);
  background: var(--c-bg-card-hover);
  transform: translateY(-4px);
}

.pain__card:hover::before {
  opacity: 1;
}

.pain__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--r-md);
  background: rgba(255, 77, 106, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--s-md);
  color: var(--c-danger);
}

.pain__icon svg {
  width: 24px;
  height: 24px;
}

.pain__card-title {
  font-family: var(--f-display);
  font-size: var(--fs-h4);
  font-weight: 700;
  color: var(--c-text-primary);
  margin-bottom: var(--s-sm);
}

.pain__card-text {
  font-size: var(--fs-small);
  line-height: var(--lh-relaxed);
  color: var(--c-text-secondary);
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */
.services__header {
  text-align: center;
  margin-bottom: var(--s-2xl);
}

.services__header .section__subtitle {
  margin: 0 auto;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-lg);
}

.service-card {
  padding: var(--s-xl);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  background: var(--c-bg-card);
  backdrop-filter: blur(var(--blur-glass));
  -webkit-backdrop-filter: blur(var(--blur-glass));
  transition: border-color var(--t-normal), background var(--t-normal), transform var(--t-normal), box-shadow var(--t-normal);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-accent), transparent);
  opacity: 0;
  transition: opacity var(--t-normal);
}

.service-card:hover {
  border-color: var(--c-border-accent);
  background: var(--c-bg-card-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card__number {
  font-family: var(--f-display);
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: var(--ls-ultra);
  margin-bottom: var(--s-lg);
  opacity: 0.5;
}

.service-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--r-md);
  background: rgba(0, 230, 138, 0.08);
  border: 1px solid rgba(0, 230, 138, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--s-md);
  color: var(--c-accent);
  transition: background var(--t-normal), box-shadow var(--t-normal);
}

.service-card:hover .service-card__icon {
  background: rgba(0, 230, 138, 0.12);
  box-shadow: 0 0 20px rgba(0, 230, 138, 0.15);
}

.service-card__icon svg {
  width: 26px;
  height: 26px;
}

.service-card__title {
  font-family: var(--f-display);
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--c-text-primary);
  margin-bottom: var(--s-sm);
  line-height: var(--lh-snug);
}

.service-card__text {
  font-size: var(--fs-small);
  line-height: var(--lh-relaxed);
  color: var(--c-text-secondary);
  margin-bottom: var(--s-md);
}

.service-card__link {
  font-family: var(--f-display);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--c-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: gap var(--t-fast);
}

.service-card:hover .service-card__link {
  gap: 0.8rem;
}

.service-card__link svg {
  width: 14px;
  height: 14px;
  transition: transform var(--t-fast);
}

.service-card:hover .service-card__link svg {
  transform: translateX(3px);
}

/* ============================================================
   ADVANTAGE SECTION
   ============================================================ */
.advantage {
  background: var(--c-bg-primary);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  overflow: hidden;
}

.advantage__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-3xl);
  align-items: center;
}

.advantage__content {
  max-width: 520px;
}

.advantage__text {
  font-size: var(--fs-body);
  line-height: var(--lh-relaxed);
  color: var(--c-text-secondary);
  margin-bottom: var(--s-lg);
}

.advantage__list {
  display: flex;
  flex-direction: column;
  gap: var(--s-md);
}

.advantage__item {
  display: flex;
  gap: var(--s-sm);
  align-items: flex-start;
}

.advantage__item-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(0, 230, 138, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--c-accent);
}

.advantage__item-icon svg {
  width: 14px;
  height: 14px;
}

.advantage__item-text {
  font-size: var(--fs-small);
  line-height: var(--lh-relaxed);
  color: var(--c-text-secondary);
}

.advantage__item-text strong {
  color: var(--c-text-primary);
  font-weight: 600;
}

/* Advantage Visual */
.advantage__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.advantage__visual-box {
  width: 100%;
  max-width: 420px;
  aspect-ratio: 1;
  border-radius: var(--r-xl);
  border: 1px solid var(--c-border);
  background: var(--c-bg-card);
  backdrop-filter: blur(var(--blur-glass));
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--s-xl);
  position: relative;
  overflow: hidden;
}

.advantage__visual-box::before {
  content: '';
  position: absolute;
  inset: -50%;
  background: conic-gradient(from 0deg, transparent 0deg, var(--c-accent-glow) 60deg, transparent 120deg);
  animation: rotate-glow 8s linear infinite;
  z-index: 0;
}

.advantage__visual-box::after {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: calc(var(--r-xl) - 1px);
  background: var(--c-bg-elevated);
  z-index: 1;
}

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

.advantage__visual-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.advantage__visual-quote {
  font-family: var(--f-display);
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--c-text-primary);
  line-height: var(--lh-snug);
  margin-bottom: var(--s-md);
}

.advantage__visual-mark {
  color: var(--c-accent);
}

.advantage__visual-sub {
  font-size: var(--fs-small);
  color: var(--c-text-muted);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
}

/* ============================================================
   PORTFOLIO SECTION
   ============================================================ */
.portfolio__header {
  text-align: center;
  margin-bottom: var(--s-2xl);
}

.portfolio__header .section__subtitle {
  margin: 0 auto;
}

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--s-lg);
  max-width: 760px;
  margin: 0 auto;
}

.portfolio__card {
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  background: var(--c-bg-card);
  backdrop-filter: blur(var(--blur-glass));
  overflow: hidden;
  transition: border-color var(--t-normal), transform var(--t-normal);
}

.portfolio__card:hover {
  border-color: var(--c-border-accent);
  transform: translateY(-4px);
}

.portfolio__card-preview {
  height: 200px;
  background: var(--c-bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.portfolio__card-preview::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(255, 255, 255, 0.01) 10px,
    rgba(255, 255, 255, 0.01) 20px
  );
}

.portfolio__card-logo {
  font-family: var(--f-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--c-text-muted);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  position: relative;
  z-index: 1;
}

.portfolio__card-body {
  padding: var(--s-md);
}

.portfolio__card-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  color: var(--c-accent);
  margin-bottom: var(--s-xs);
}

.portfolio__card-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
  animation: pulse-dot 2s ease-in-out infinite;
}

.portfolio__card-name {
  font-family: var(--f-display);
  font-size: var(--fs-h4);
  font-weight: 700;
  color: var(--c-text-primary);
  margin-bottom: 0.3rem;
}

.portfolio__card-desc {
  font-size: var(--fs-small);
  color: var(--c-text-muted);
}

/* ============================================================
   CONTACT / FOOTER
   ============================================================ */
.contact {
  background: var(--c-bg-primary);
  border-top: 1px solid var(--c-border);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-3xl);
  align-items: start;
}

.contact__content {
  max-width: 440px;
}

.contact__text {
  font-size: var(--fs-body);
  line-height: var(--lh-relaxed);
  color: var(--c-text-secondary);
  margin-bottom: var(--s-lg);
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--s-sm);
}

.contact__info-item {
  display: flex;
  align-items: center;
  gap: var(--s-sm);
  font-size: var(--fs-small);
  color: var(--c-text-muted);
}

.contact__info-item svg {
  width: 16px;
  height: 16px;
  color: var(--c-accent);
  flex-shrink: 0;
}

.contact__info-item a {
  color: var(--c-text-secondary);
  transition: color var(--t-fast);
}

.contact__info-item a:hover {
  color: var(--c-accent);
}

/* Form */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--s-md);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-md);
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form__label {
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  color: var(--c-text-muted);
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--c-bg-elevated);
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  color: var(--c-text-primary);
  font-size: var(--fs-small);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--c-text-muted);
}

.form__input:focus,
.form__textarea:focus {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px var(--c-accent-glow);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

.form__submit {
  align-self: flex-start;
}

.form__feedback {
  padding: 0.8rem 1rem;
  border-radius: var(--r-sm);
  font-size: var(--fs-small);
  font-weight: 500;
  display: none;
}

.form__feedback.is-success {
  display: block;
  background: rgba(0, 230, 138, 0.1);
  border: 1px solid var(--c-border-accent);
  color: var(--c-accent);
}

.form__feedback.is-error {
  display: block;
  background: rgba(255, 77, 106, 0.1);
  border: 1px solid rgba(255, 77, 106, 0.2);
  color: var(--c-danger);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: var(--s-lg) 0;
  border-top: 1px solid var(--c-border);
  background: var(--c-bg-deep);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--s-sm);
}

.footer__copy {
  font-size: var(--fs-xs);
  color: var(--c-text-muted);
}

.footer__legal {
  font-size: var(--fs-xs);
  color: var(--c-text-muted);
}

.footer__legal span {
  margin: 0 0.4rem;
  opacity: 0.3;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .advantage__grid {
    grid-template-columns: 1fr;
    gap: var(--s-2xl);
  }

  .advantage__visual {
    order: -1;
  }

  .advantage__visual-box {
    max-width: 360px;
    margin: 0 auto;
  }

  .contact__grid {
    grid-template-columns: 1fr;
    gap: var(--s-2xl);
  }
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(6, 6, 11, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--s-xl);
    z-index: 999;
  }

  .nav__links.is-open {
    display: flex;
  }

  .nav__links .nav__link {
    font-size: 1.2rem;
  }

  .nav__links .nav__cta {
    font-size: 1rem;
    padding: 0.8rem 2rem;
  }

  .nav__toggle {
    display: flex;
  }

  .hero__content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero__subtitle {
    text-align: center;
  }

  .hero__actions {
    justify-content: center;
  }

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

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

  .advantage__content {
    text-align: center;
    max-width: 100%;
  }

  .advantage__list {
    text-align: left;
  }

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

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

  .footer__inner {
    flex-direction: column;
    text-align: center;
    gap: var(--s-xs);
  }
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

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

  .advantage__visual-box {
    aspect-ratio: auto;
    min-height: 280px;
  }
}

/* --- Button Spinner (form loading state) --- */
.btn__spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(6, 6, 11, 0.3);
  border-top-color: var(--c-bg-deep);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

.btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none !important;
}

/* Honeypot — invisible to humans */
.form__honeypot {
  position: absolute;
  left: -9999px;
  top: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
  pointer-events: none;
}