/* ============================================
   SR HENDERSON — Editorial Minimal Design System
   Inspired by ds creative design studio aesthetic
   Base: B&W | Accent: Klein Blue #0A00FF
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --color-primary: #0A00FF;
  --color-primary-dark: #0800CC;
  --color-primary-light: #4D45FF;

  --color-black: #000000;
  --color-dark: #111111;
  --color-gray-900: #1A1A1A;
  --color-gray-800: #2A2A2A;
  --color-gray-700: #3A3A3A;
  --color-gray-600: #555555;
  --color-gray-500: #777777;
  --color-gray-400: #999999;
  --color-gray-300: #BBBBBB;
  --color-gray-200: #E0E0E0;
  --color-gray-100: #F0F0F0;
  --color-gray-50: #F7F7F7;
  --color-white: #FFFFFF;

  --color-text: var(--color-dark);
  --color-text-secondary: var(--color-gray-500);
  --color-text-muted: var(--color-gray-400);
  --color-border: var(--color-gray-200);
  --color-bg: var(--color-white);
  --color-bg-alt: var(--color-gray-50);

  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.25rem;
  --fs-2xl: clamp(1.5rem, 1.2rem + 1.5vw, 2rem);
  --fs-3xl: clamp(2rem, 1.5rem + 2.5vw, 3rem);
  --fs-4xl: clamp(2.5rem, 1.5rem + 4vw, 4.5rem);
  --fs-5xl: clamp(3rem, 1.5rem + 6vw, 6.5rem);
  --fs-display: clamp(3.5rem, 1.5rem + 8vw, 9rem);

  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;
  --space-6xl: 12rem;

  --max-width: 1400px;
  --max-width-narrow: 900px;

  --ease: cubic-bezier(0.25, 0, 0.25, 1);
  --transition-fast: 200ms var(--ease);
  --transition-base: 350ms var(--ease);
  --transition-slow: 600ms var(--ease);
}

/* ---------- Reset ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition-fast); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.05;
  color: var(--color-black);
  letter-spacing: -0.03em;
}
h1 { font-size: var(--fs-5xl); }
h2 { font-size: var(--fs-4xl); }
h3 { font-size: var(--fs-3xl); }
h4 { font-size: var(--fs-2xl); }

.display-text {
  font-size: var(--fs-display);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: -0.04em;
}

p { color: var(--color-text-secondary); line-height: 1.7; }
.text-accent { color: var(--color-primary); }
.text-uppercase {
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: var(--fs-xs);
  font-weight: 500;
}

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

.section { padding: var(--space-5xl) 0; }
.section--dark { background: var(--color-black); color: var(--color-white); }
.section--dark h1, .section--dark h2, .section--dark h3, .section--dark h4 { color: var(--color-white); }
.section--dark p { color: var(--color-gray-400); }
.section--alt { background: var(--color-gray-50); }

.divider { border: none; border-top: 1px solid var(--color-border); margin: 0; }
.divider--dark { border-top-color: var(--color-gray-800); }

.label {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}
.label--accent { color: var(--color-primary); }
.label--light { color: var(--color-gray-400); }

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

@media (max-width: 992px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .section { padding: var(--space-4xl) 0; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: all var(--transition-base);
}
.btn--primary {
  padding: 1rem 2.5rem;
  background: var(--color-black);
  color: var(--color-white);
  border: 1px solid var(--color-black);
}
.btn--primary:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
}
.btn--outline {
  padding: 1rem 2.5rem;
  background: transparent;
  color: var(--color-black);
  border: 1px solid var(--color-black);
}
.btn--outline:hover { background: var(--color-black); color: var(--color-white); }
.btn--white {
  padding: 1rem 2.5rem;
  background: var(--color-white);
  color: var(--color-black);
  border: 1px solid var(--color-white);
}
.btn--white:hover { background: transparent; color: var(--color-white); }
.btn--link {
  padding: 0;
  color: var(--color-black);
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
  border-bottom: 1px solid var(--color-black);
  padding-bottom: 2px;
}
.btn--link:hover { color: var(--color-primary); border-bottom-color: var(--color-primary); }
.btn--link-white { color: var(--color-white); border-bottom-color: var(--color-white); }
.btn--link-white:hover { color: var(--color-primary); border-bottom-color: var(--color-primary); }
.btn--sm { padding: 0.6rem 1.5rem; font-size: var(--fs-xs); }
.btn--whatsapp { padding: 1rem 2.5rem; background: #25D366; color: #fff; border: 1px solid #25D366; }
.btn--whatsapp:hover { background: #1DA851; border-color: #1DA851; }

/* ---------- Navigation ---------- */
.navbar {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: all var(--transition-base);
}
.navbar--scrolled { border-bottom: 1px solid var(--color-border); }
.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--color-black);
  letter-spacing: -0.02em;
}
.navbar__logo-icon { width: 32px; height: 32px; }
.navbar__logo span { color: var(--color-black); }
.navbar__menu { display: flex; align-items: center; gap: var(--space-2xl); }
.navbar__link {
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color var(--transition-fast);
}
.navbar__link:hover, .navbar__link--active { color: var(--color-black); }
.navbar__toggle { display: none; flex-direction: column; gap: 6px; padding: 4px; }
.navbar__toggle span { display: block; width: 22px; height: 1.5px; background: var(--color-black); transition: all var(--transition-fast); }

@media (max-width: 768px) {
  .navbar__toggle { display: flex; }
  .navbar__menu {
    position: fixed;
    top: 72px; left: 0;
    width: 100%;
    flex-direction: column;
    background: var(--color-white);
    padding: var(--space-2xl);
    gap: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-120%);
    transition: transform var(--transition-base);
  }
  .navbar__menu--open { transform: translateY(0); }
}

/* ---------- Hero ---------- */
.hero {
  padding: calc(72px + var(--space-4xl)) 0 var(--space-5xl);
  position: relative;
  overflow: hidden;
}
.hero--dark { background: var(--color-black); }
.hero__content { position: relative; z-index: 2; }
.hero__title {
  font-size: var(--fs-display);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--color-black);
  margin-bottom: var(--space-2xl);
}
.hero__title .accent { color: var(--color-primary); font-style: italic; font-family: var(--font-serif); }
.hero__subtitle {
  font-size: var(--fs-lg);
  color: var(--color-text-secondary);
  max-width: 500px;
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
}
.hero__actions { display: flex; gap: var(--space-md); align-items: center; flex-wrap: wrap; }
.hero__meta {
  display: flex;
  gap: var(--space-3xl);
  margin-top: var(--space-4xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}
.hero__meta-item { display: flex; flex-direction: column; gap: 4px; }
.hero__meta-label {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
}
.hero__meta-value { font-size: var(--fs-base); font-weight: 600; color: var(--color-black); }

/* Page Header */
.page-header {
  padding: calc(72px + var(--space-3xl)) 0 var(--space-3xl);
  border-bottom: 1px solid var(--color-border);
}
.page-header h1 { margin-bottom: var(--space-md); }
.page-header p { max-width: 600px; font-size: var(--fs-lg); }

/* ---------- Section Header ---------- */
.section__header { margin-bottom: var(--space-3xl); }
.section__header--center { text-align: center; }
.section__header--center p { max-width: 600px; margin: var(--space-lg) auto 0; }
.section__header p { margin-top: var(--space-lg); font-size: var(--fs-lg); max-width: 600px; }

/* ---------- Service Rows ---------- */
.service-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-base);
  gap: var(--space-2xl);
}
.service-row:first-child { border-top: 1px solid var(--color-border); }
.service-row:hover { padding-left: var(--space-lg); }
.service-row:hover .service-row__title { color: var(--color-primary); }
.service-row__number { font-size: var(--fs-xs); color: var(--color-text-muted); font-weight: 500; min-width: 30px; }
.service-row__title {
  font-size: var(--fs-2xl);
  font-weight: 500;
  transition: color var(--transition-fast);
  letter-spacing: -0.02em;
}
.service-row__arrow { color: var(--color-text-muted); transition: all var(--transition-fast); }
.service-row:hover .service-row__arrow { color: var(--color-primary); transform: translateX(4px); }

@media (max-width: 768px) {
  .service-row { grid-template-columns: auto 1fr; gap: var(--space-md); }
  .service-row__arrow { display: none; }
}

/* ---------- Cards ---------- */
.card {
  border: 1px solid var(--color-border);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
  background: var(--color-white);
}
.card:hover { border-color: var(--color-black); }
.card__number { font-size: var(--fs-xs); color: var(--color-text-muted); margin-bottom: var(--space-xl); display: block; }
.card__title { font-size: var(--fs-xl); font-weight: 600; margin-bottom: var(--space-sm); letter-spacing: -0.02em; }
.card__text { font-size: var(--fs-sm); color: var(--color-text-secondary); line-height: 1.7; }
.card--dark {
  background: var(--color-gray-900);
  border-color: var(--color-gray-800);
  color: var(--color-white);
}
.card--dark:hover { border-color: var(--color-gray-600); }
.card--dark .card__title { color: var(--color-white); }
.card--dark .card__text { color: var(--color-gray-400); }

/* Portfolio Card */
.card--portfolio { padding: 0; overflow: hidden; }
.card--portfolio__image {
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-gray-100);
}
.card--portfolio__image img,
.card--portfolio__image > div {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.card--portfolio:hover .card--portfolio__image img,
.card--portfolio:hover .card--portfolio__image > div {
  transform: scale(1.03);
}
.card--portfolio__body { padding: var(--space-xl); }
.card--portfolio__tags { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin-bottom: var(--space-md); }
.tag {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  font-weight: 500;
}
.tag::before { content: '— '; }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-xl); }
.stats__item { text-align: center; padding: var(--space-xl) 0; }
.stats__item h3 { font-size: var(--fs-4xl); font-weight: 400; letter-spacing: -0.03em; }
.stats__item p {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}
@media (max-width: 768px) { .stats { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Testimonials ---------- */
.testimonial { padding: var(--space-2xl) 0; border-bottom: 1px solid var(--color-border); }
.testimonial:first-child { border-top: 1px solid var(--color-border); }
.testimonial__text {
  font-size: var(--fs-2xl);
  font-weight: 400;
  color: var(--color-black);
  line-height: 1.4;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xl);
  font-style: italic;
  font-family: var(--font-serif);
}
.testimonial__author { display: flex; align-items: center; gap: var(--space-md); }
.testimonial__avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--color-black);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-white);
  font-weight: 600;
  font-size: var(--fs-xs);
}
.testimonial__name { font-weight: 600; font-size: var(--fs-sm); color: var(--color-black); }
.testimonial__role { font-size: var(--fs-xs); color: var(--color-text-muted); }

/* ---------- Process ---------- */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.process__step {
  padding: var(--space-2xl);
  border-right: 1px solid var(--color-border);
  position: relative;
}
.process__step:last-child { border-right: none; }
.process__number {
  font-size: var(--fs-5xl);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1;
  margin-bottom: var(--space-xl);
  letter-spacing: -0.04em;
}
.process__step h4 { font-size: var(--fs-lg); font-weight: 600; margin-bottom: var(--space-sm); }
.process__step p { font-size: var(--fs-sm); color: var(--color-text-secondary); }

@media (max-width: 992px) {
  .process { grid-template-columns: repeat(2, 1fr); }
  .process__step:nth-child(2) { border-right: none; }
  .process__step:nth-child(1), .process__step:nth-child(2) { border-bottom: 1px solid var(--color-border); }
}
@media (max-width: 480px) {
  .process { grid-template-columns: 1fr; }
  .process__step { border-right: none; border-bottom: 1px solid var(--color-border); }
  .process__step:last-child { border-bottom: none; }
}

/* ---------- CTA Section ---------- */
.cta-section { background: var(--color-black); padding: var(--space-5xl) 0; }
.cta-section h2 { color: var(--color-white); margin-bottom: var(--space-lg); }
.cta-section p { color: var(--color-gray-400); font-size: var(--fs-lg); max-width: 500px; margin-bottom: var(--space-2xl); }
.cta-section--center { text-align: center; }
.cta-section--center p { margin-left: auto; margin-right: auto; }
.cta-section--center .hero__actions { justify-content: center; }

/* ---------- FAQ ---------- */
.faq__item { border-bottom: 1px solid var(--color-border); }
.faq__item:first-child { border-top: 1px solid var(--color-border); }
.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) 0;
  font-size: var(--fs-lg);
  font-weight: 500;
  color: var(--color-black);
  text-align: left;
  cursor: pointer;
  transition: color var(--transition-fast);
}
.faq__question:hover { color: var(--color-primary); }
.faq__question svg { flex-shrink: 0; transition: transform var(--transition-base); }
.faq__item--open .faq__question svg { transform: rotate(45deg); }
.faq__answer { max-height: 0; overflow: hidden; transition: max-height var(--transition-slow); }
.faq__item--open .faq__answer { max-height: 300px; }
.faq__answer p { padding-bottom: var(--space-lg); font-size: var(--fs-base); color: var(--color-text-secondary); max-width: 700px; }

/* ---------- Contact Form ---------- */
.form { display: flex; flex-direction: column; gap: var(--space-lg); }
.form__group { display: flex; flex-direction: column; gap: var(--space-xs); }
.form__label {
  font-size: var(--fs-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
}
.form__input, .form__textarea, .form__select {
  padding: 1rem 0;
  border: none;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--fs-base);
  color: var(--color-text);
  background: transparent;
  transition: border-color var(--transition-fast);
  border-radius: 0;
  -webkit-appearance: none;
}
.form__input:focus, .form__textarea:focus, .form__select:focus {
  outline: none;
  border-bottom-color: var(--color-black);
}
.form__textarea { resize: vertical; min-height: 120px; }
.form__row { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-xl); }
@media (max-width: 768px) { .form__row { grid-template-columns: 1fr; } }

/* ---------- Blog ---------- */
.blog-card { border-bottom: 1px solid var(--color-border); padding: var(--space-xl) 0; transition: all var(--transition-base); }
.blog-card:first-child { border-top: 1px solid var(--color-border); }
.blog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}
.blog-card__title { font-size: var(--fs-2xl); font-weight: 500; letter-spacing: -0.02em; margin-bottom: var(--space-sm); }
.blog-card__title a { color: var(--color-black); transition: color var(--transition-fast); }
.blog-card__title a:hover { color: var(--color-primary); }
.blog-card__excerpt { font-size: var(--fs-sm); color: var(--color-text-secondary); max-width: 700px; }

/* ---------- Footer ---------- */
.footer {
  background: var(--color-black);
  color: var(--color-gray-400);
  padding: var(--space-4xl) 0 var(--space-xl);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid var(--color-gray-800);
}
.footer__brand p { color: var(--color-gray-500); font-size: var(--fs-sm); margin-top: var(--space-md); max-width: 300px; }
.footer__title {
  color: var(--color-white);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-lg);
}
.footer__links { display: flex; flex-direction: column; gap: var(--space-sm); }
.footer__links a { color: var(--color-gray-500); font-size: var(--fs-sm); transition: color var(--transition-fast); }
.footer__links a:hover { color: var(--color-white); }
.footer__bottom {
  padding-top: var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--fs-xs);
  color: var(--color-gray-600);
}
.footer__social { display: flex; gap: var(--space-lg); }
.footer__social a { color: var(--color-gray-500); transition: color var(--transition-fast); }
.footer__social a:hover { color: var(--color-white); }

@media (max-width: 992px) { .footer__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) {
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; gap: var(--space-md); text-align: center; }
}

/* ---------- WhatsApp Float ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 999;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: #25D366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  transition: all var(--transition-base);
}
.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float svg { width: 24px; height: 24px; fill: #fff; }

/* ---------- Marquee ---------- */
.marquee {
  overflow: hidden;
  white-space: nowrap;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-lg) 0;
}
.marquee__inner { display: inline-flex; animation: marquee 30s linear infinite; }
.marquee__item {
  font-size: var(--fs-4xl);
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--color-gray-200);
  padding: 0 var(--space-2xl);
}
.marquee__item .dot {
  display: inline-block;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--color-primary);
  margin: 0 var(--space-xl);
  vertical-align: middle;
}
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ---------- Scroll Animations ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal--visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal-left--visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(40px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal-right--visible { opacity: 1; transform: translateX(0); }
[data-delay="1"] { transition-delay: 100ms; }
[data-delay="2"] { transition-delay: 200ms; }
[data-delay="3"] { transition-delay: 300ms; }
[data-delay="4"] { transition-delay: 400ms; }

/* Compat old classes */
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.fade-in--visible { opacity: 1; transform: translateY(0); }
.fade-in-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.fade-in-left--visible { opacity: 1; transform: translateX(0); }
.fade-in-right { opacity: 0; transform: translateX(40px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.fade-in-right--visible { opacity: 1; transform: translateX(0); }

/* ---------- Portfolio Filter Buttons ---------- */
.filter-bar {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-3xl);
}
.filter-btn {
  font-size: var(--fs-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  padding: var(--space-xs) var(--space-md);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.filter-btn:hover { border-color: var(--color-black); color: var(--color-black); }
.filter-btn--active {
  background: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}

/* ---------- Pricing ---------- */
.pricing-card {
  border: 1px solid var(--color-border);
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
}
.pricing-card:hover { border-color: var(--color-black); }
.pricing-card--featured {
  background: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}
.pricing-card--featured h4,
.pricing-card--featured .pricing-card__price { color: var(--color-white); }
.pricing-card--featured p, .pricing-card--featured li { color: var(--color-gray-400); }
.pricing-card--featured .pricing-card__badge { background: var(--color-primary); color: var(--color-white); }
.pricing-card h4 { font-size: var(--fs-xl); margin-bottom: var(--space-xs); }
.pricing-card p { font-size: var(--fs-sm); margin-bottom: var(--space-xl); }
.pricing-card__price {
  font-size: var(--fs-3xl);
  font-weight: 600;
  color: var(--color-black);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-xl);
}
.pricing-card__price span { font-size: var(--fs-sm); font-weight: 400; color: var(--color-text-muted); }
.pricing-card__badge {
  display: inline-block;
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 12px;
  background: var(--color-gray-100);
  margin-bottom: var(--space-lg);
  font-weight: 500;
}
.pricing-card ul { margin-bottom: var(--space-xl); flex: 1; }
.pricing-card li {
  font-size: var(--fs-sm);
  color: var(--color-text-secondary);
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--color-border);
}
.pricing-card--featured li { border-bottom-color: var(--color-gray-800); }

/* ---------- Team ---------- */
.team-card { text-align: center; }
.team-card__avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--color-gray-100);
  margin: 0 auto var(--space-md);
  display: flex; align-items: center; justify-content: center;
  font-size: var(--fs-2xl);
  font-weight: 600;
  color: var(--color-gray-400);
}
.team-card h4 { font-size: var(--fs-lg); margin-bottom: 4px; }
.team-card p { font-size: var(--fs-sm); color: var(--color-text-muted); }

/* ---------- Contact Info ---------- */
.contact-info { display: flex; flex-direction: column; gap: var(--space-xl); }
.contact-info__item { display: flex; align-items: flex-start; gap: var(--space-md); }
.contact-info__icon {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--color-border);
  flex-shrink: 0;
}
.contact-info__label {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}
.contact-info__value { font-size: var(--fs-base); font-weight: 500; color: var(--color-black); }
.contact-info__value a { color: var(--color-black); }
.contact-info__value a:hover { color: var(--color-primary); }

/* ---------- Newsletter ---------- */
.newsletter-form {
  display: flex;
  gap: var(--space-md);
  max-width: 500px;
}
.newsletter-form input {
  flex: 1;
  padding: 1rem 0;
  border: none;
  border-bottom: 1px solid var(--color-border);
  background: transparent;
  font-size: var(--fs-base);
  color: var(--color-text);
}
.newsletter-form input:focus { outline: none; border-bottom-color: var(--color-black); }
@media (max-width: 480px) {
  .newsletter-form { flex-direction: column; }
}

/* ---------- SECTION BLUE (full Klein Blue pages) ---------- */
.section--blue {
  background: var(--color-primary);
  color: var(--color-white);
  position: relative;
}
.section--blue h1, .section--blue h2, .section--blue h3, .section--blue h4 { color: var(--color-white); }
.section--blue p { color: rgba(255,255,255,0.7); }
.section--blue .label { color: rgba(255,255,255,0.5); }
.section--blue .card {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
}
.section--blue .card:hover { border-color: rgba(255,255,255,0.4); }
.section--blue .card__title { color: var(--color-white); }
.section--blue .card__text { color: rgba(255,255,255,0.6); }
.section--blue .btn--primary {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}
.section--blue .btn--primary:hover { background: transparent; color: var(--color-white); }
.section--blue .btn--outline { color: var(--color-white); border-color: rgba(255,255,255,0.4); }
.section--blue .btn--outline:hover { background: var(--color-white); color: var(--color-primary); }
.section--blue .btn--link { color: var(--color-white); border-bottom-color: rgba(255,255,255,0.4); }
.section--blue .divider { border-top-color: rgba(255,255,255,0.15); }
.section--blue .service-row { border-bottom-color: rgba(255,255,255,0.15); }
.section--blue .service-row:first-child { border-top-color: rgba(255,255,255,0.15); }
.section--blue .service-row__title { color: var(--color-white); }
.section--blue .service-row:hover .service-row__title { color: rgba(255,255,255,0.7); }
.section--blue .service-row__number { color: rgba(255,255,255,0.3); }
.section--blue .service-row__arrow { color: rgba(255,255,255,0.3); }
.section--blue .testimonial { border-bottom-color: rgba(255,255,255,0.15); }
.section--blue .testimonial:first-child { border-top-color: rgba(255,255,255,0.15); }
.section--blue .testimonial__text { color: var(--color-white); }
.section--blue .testimonial__name { color: var(--color-white); }
.section--blue .testimonial__role { color: rgba(255,255,255,0.5); }
.section--blue .testimonial__avatar { background: rgba(255,255,255,0.15); color: var(--color-white); }
.section--blue .process__step { border-right-color: rgba(255,255,255,0.15); }
.section--blue .process__number { color: #fff; }
.section--blue .process__step h4 { color: var(--color-white); }
.section--blue .process__step p { color: rgba(255,255,255,0.6); }
.section--blue .stats__number { color: var(--color-white); }
.section--blue .stats__label { color: rgba(255,255,255,0.5); }

/* Blue page header */
.page-header--blue {
  background: var(--color-primary);
  color: var(--color-white);
  border-bottom-color: rgba(255,255,255,0.15);
}
.page-header--blue h1 { color: var(--color-white); }
.page-header--blue p { color: rgba(255,255,255,0.7); }
.page-header--blue .label { color: rgba(255,255,255,0.5); }

/* Blue hero */
.hero--blue { background: var(--color-primary); }
.hero--blue .hero__title { color: var(--color-white); }
.hero--blue .hero__title .accent { color: rgba(255,255,255,0.5); }
.hero--blue .hero__subtitle { color: rgba(255,255,255,0.7); }
.hero--blue .label { color: rgba(255,255,255,0.5); }
.hero--blue .hero__meta { border-top-color: rgba(255,255,255,0.15); }
.hero--blue .hero__meta-label { color: rgba(255,255,255,0.4); }
.hero--blue .hero__meta-value { color: var(--color-white); }

/* Blue CTA */
.cta-section--blue { background: var(--color-primary); }
.cta-section--blue h2 { color: var(--color-white); }
.cta-section--blue p { color: rgba(255,255,255,0.7); }

/* Blue navbar override */
.navbar--blue { background: rgba(10,0,255,0.97); backdrop-filter: blur(20px); }
.navbar--blue .navbar__logo { color: var(--color-white); }
.navbar--blue .navbar__logo span { color: rgba(255,255,255,0.6); }
.navbar--blue .navbar__link { color: rgba(255,255,255,0.5); }
.navbar--blue .navbar__link:hover, .navbar--blue .navbar__link--active { color: var(--color-white); }
.navbar--blue .navbar__toggle span { background: var(--color-white); }
.navbar--blue .btn--primary { background: var(--color-white); color: var(--color-primary); border-color: var(--color-white); }
.navbar--blue .btn--primary:hover { background: transparent; color: var(--color-white); }
.navbar--blue.navbar--scrolled { border-bottom-color: rgba(255,255,255,0.1); }

/* ---------- GRAIN OVERLAY (noisy gradient texture) ---------- */
.grain { position: relative; overflow: hidden; }
.grain::after {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  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='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 128px 128px;
  opacity: 0.035;
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: overlay;
}
.grain > * { position: relative; z-index: 2; }
.grain--strong::after { opacity: 0.07; }
.grain--light::after { opacity: 0.02; }

/* ---------- MULTICOLOR GRADIENT BLOBS ---------- */
.gradient-blob {
  position: relative;
  overflow: hidden;
}
.gradient-blob::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  pointer-events: none;
  z-index: 0;
}
.gradient-blob > * { position: relative; z-index: 2; }

/* Blob variants */
.gradient-blob--tl::before { top: -200px; left: -200px; background: radial-gradient(circle, #0A00FF 0%, #FF3CAC 40%, #784BA0 70%, transparent 100%); }
.gradient-blob--tr::before { top: -200px; right: -200px; left: auto; background: radial-gradient(circle, #2B86C5 0%, #784BA0 40%, #FF3CAC 70%, transparent 100%); }
.gradient-blob--bl::before { bottom: -200px; left: -200px; top: auto; background: radial-gradient(circle, #FF3CAC 0%, #FF6B35 40%, #FFC837 70%, transparent 100%); }
.gradient-blob--br::before { bottom: -200px; right: -200px; top: auto; left: auto; background: radial-gradient(circle, #0A00FF 0%, #00D2FF 40%, #7A2FFF 70%, transparent 100%); }
.gradient-blob--center::before { top: 50%; left: 50%; transform: translate(-50%, -50%); background: radial-gradient(circle, #784BA0 0%, #0A00FF 30%, #FF3CAC 60%, transparent 100%); }

/* Blue gradient blobs (for blue sections) */
.gradient-blob--blue-tl::before { top: -200px; left: -200px; background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, rgba(0,210,255,0.08) 40%, transparent 100%); opacity: 1; }
.gradient-blob--blue-br::before { bottom: -200px; right: -200px; top: auto; left: auto; background: radial-gradient(circle, rgba(255,60,172,0.1) 0%, rgba(255,255,255,0.05) 40%, transparent 100%); opacity: 1; }

/* Bigger blobs */
.gradient-blob--lg::before { width: 900px; height: 900px; filter: blur(160px); opacity: 0.12; }

/* ---------- Utilities ---------- */
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* ---------- Serif Accent ---------- */
.serif-accent {
  font-family: var(--font-serif);
  font-style: italic;
}

/* ---------- Ink Splash Textures ---------- */
.ink-splash {
  position: relative;
}
.ink-splash::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 120%;
  height: 120%;
  transform: translate(-50%, -50%);
  background: radial-gradient(
    ellipse at 30% 50%,
    rgba(10,0,255,0.06) 0%,
    transparent 50%
  ),
  radial-gradient(
    ellipse at 70% 30%,
    rgba(0,0,0,0.04) 0%,
    transparent 40%
  ),
  radial-gradient(
    ellipse at 50% 80%,
    rgba(10,0,255,0.03) 0%,
    transparent 45%
  );
  pointer-events: none;
  z-index: 0;
}
.ink-splash > * { position: relative; z-index: 1; }

/* Ink highlight (brush stroke under text) */
.ink-highlight {
  position: relative;
  display: inline;
}
.ink-highlight::after {
  content: '';
  position: absolute;
  bottom: 0; left: -4%;
  width: 108%;
  height: 35%;
  background: var(--color-primary);
  opacity: 0.12;
  z-index: -1;
  transform: skewX(-3deg);
}

/* ---------- Tagline ---------- */
.tagline {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-primary);
  font-weight: 600;
}