/* =======================================================
   RS Studio — Main Stylesheet v2
   "Bold Modernist" — Dark Studio Editorial
   Syne 800 (display) · DM Sans 400/500 (body)
   Primary: #d946a6  Secondary: #7c3aed
   ======================================================= */

/* ── CSS Variables ─────────────────────────────────────── */
:root {
  --color-primary:    #d946a6;
  --color-secondary:  #7c3aed;
  --gradient:         linear-gradient(135deg, #7c3aed 0%, #d946a6 100%);
  --gradient-reverse: linear-gradient(135deg, #d946a6 0%, #7c3aed 100%);
  --color-ink:        #0c0b18;
  --color-bg:         #f5f3fb;
  --color-white:      #ffffff;
  --color-muted:      #6b6880;
  --color-border:     #e8e4f2;
  --color-dark:       #0c0b18;
  --color-light:      #6b6880;
  --container-max:    1200px;
  --section-padding:  100px;
  --card-radius:      14px;
  --input-radius:     10px;
  --transition:       0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --shadow-sm:  0 1px 8px rgba(12,11,24,.06);
  --shadow-md:  0 4px 20px rgba(12,11,24,.09);
  --shadow-lg:  0 16px 48px rgba(12,11,24,.15);
}

/* ── Reset & Base ──────────────────────────────────────── */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 1rem; line-height: 1.65;
  color: var(--color-ink); background: var(--color-white);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
}
a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; }

/* ── Typography ────────────────────────────────────────── */
h1,h2,h3,h4,h5,h6 {
  font-family: 'Syne', sans-serif;
  line-height: 1.15; letter-spacing: -0.025em;
}
h1 { font-size: clamp(2.75rem, 5.5vw, 4.25rem); font-weight: 800; color: var(--color-ink); }
h2 { font-size: clamp(2rem, 3.5vw, 2.875rem);   font-weight: 700; color: var(--color-ink); }
h3 { font-size: 1.375rem;  font-weight: 700; color: var(--color-ink); }
h4 { font-size: 1.0625rem; font-weight: 600; color: var(--color-ink); }
p  { color: var(--color-muted); margin-bottom: 1rem; line-height: 1.75; }
p:last-child { margin-bottom: 0; }
small { font-size: .875rem; color: var(--color-muted); }

/* ── Layout ────────────────────────────────────────────── */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 2rem; }
.section           { padding: var(--section-padding) 0; }
.section-white     { background: var(--color-white); }
.section-alt       { background: var(--color-bg); }
.section-dark      { background: var(--color-ink); }
.section-header    { text-align: center; margin-bottom: 4rem; }
.section-header p  { font-size: 1.0625rem; max-width: 560px; margin: 1rem auto 0; }
.section-title { position: relative; display: inline-block; }
.section-title::after {
  content: ''; display: block;
  width: 36px; height: 3px;
  background: var(--gradient); border-radius: 2px;
  margin: .875rem auto 0;
}

/* ── Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5rem; padding: .875rem 2rem;
  font-family: 'Syne', sans-serif; font-size: .9375rem;
  font-weight: 600; letter-spacing: 0.01em;
  border-radius: 50px; border: 2px solid transparent;
  cursor: pointer; transition: all var(--transition);
  text-decoration: none; white-space: nowrap;
}
.btn-primary {
  background: var(--gradient); color: var(--color-white);
  box-shadow: 0 4px 20px rgba(217,70,166,.3);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(217,70,166,.45);
  color: var(--color-white);
}
.btn-white {
  background: var(--color-white); color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(0,0,0,.12);
}
.btn-white:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(0,0,0,.18);
  color: var(--color-secondary);
}
.btn-outline {
  background: transparent; color: rgba(255,255,255,.9);
  border-color: rgba(255,255,255,.35);
}
.btn-outline:hover {
  background: rgba(255,255,255,.12); color: var(--color-white);
  border-color: rgba(255,255,255,.6); transform: translateY(-2px);
}
.btn-outline-primary {
  background: transparent; color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline-primary:hover {
  background: var(--gradient); color: var(--color-white);
  border-color: transparent; transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(217,70,166,.3);
}
.btn-sm  { padding: .5rem 1.25rem; font-size: .875rem; }
.btn-lg  { padding: 1.125rem 2.75rem; font-size: 1.0625rem; }
.btn-full { width: 100%; }
.btn-link {
  display: inline-flex; align-items: center; gap: .375rem;
  color: var(--color-primary);
  font-family: 'Syne', sans-serif; font-weight: 600; font-size: .875rem;
  transition: gap var(--transition), color var(--transition);
  background: none; border: none; cursor: pointer; padding: 0;
}
.btn-link:hover { gap: .625rem; color: var(--color-secondary); }

/* ── Navbar ────────────────────────────────────────────── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  padding: 1.125rem 0; transition: all var(--transition);
}
.navbar.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: 0 2px 24px rgba(12,11,24,.07);
  padding: .875rem 0;
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; }
.navbar-brand {
  display: inline-flex; align-items: center; gap: .625rem;
  text-decoration: none; flex-shrink: 0;
}
.logo-img { width: 36px; height: 36px; object-fit: contain; display: block; flex-shrink: 0; }
.logo-text {
  font-family: 'Syne', sans-serif; font-size: 1.25rem;
  font-weight: 800; letter-spacing: -0.03em;
  background: var(--gradient);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.nav-links { display: flex; align-items: center; gap: .125rem; }
.nav-link {
  padding: .5rem .875rem; font-size: .9375rem; font-weight: 500;
  color: var(--color-muted); border-radius: 8px; transition: all var(--transition);
}
.nav-link:hover { color: var(--color-ink); }
.nav-link.active { color: var(--color-primary); font-weight: 600; }
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px; flex-shrink: 0;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--color-ink); border-radius: 2px; transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Hero Section ──────────────────────────────────────── */
.hero {
  background: var(--color-ink);
  min-height: 100vh; display: flex; align-items: center;
  padding-top: 90px; position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -15%; right: -8%;
  width: 700px; height: 700px; border-radius: 50%;
  background: radial-gradient(circle, rgba(124,58,237,.28) 0%, transparent 65%);
  pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; bottom: -20%; left: -5%;
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(217,70,166,.2) 0%, transparent 65%);
  pointer-events: none;
}
.hero-wave { position: absolute; bottom: -1px; left: 0; right: 0; line-height: 0; z-index: 1; }
.hero-wave svg { width: 100%; }
.hero-content { position: relative; z-index: 2; max-width: 780px; padding-bottom: 3rem; }
.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(255,255,255,.07); color: rgba(255,255,255,.75);
  padding: .375rem 1rem .375rem .75rem; border-radius: 50px;
  border: 1px solid rgba(255,255,255,.12);
  font-size: .8125rem; font-weight: 500; letter-spacing: 0.04em;
  text-transform: uppercase; margin-bottom: 2rem; backdrop-filter: blur(8px);
}
.hero-badge svg { color: var(--color-primary); }
.hero h1 {
  color: var(--color-white);
  font-size: clamp(3.25rem, 7vw, 5.5rem); font-weight: 800;
  line-height: 1.06; letter-spacing: -0.035em; margin-bottom: 1.75rem;
}
.hero-accent-line {
  background: var(--gradient);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-subtitle {
  font-size: 1.125rem; color: rgba(255,255,255,.55);
  margin-bottom: 2.5rem; line-height: 1.8;
  max-width: 500px; font-weight: 300;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: 0;
  margin-top: 4rem; padding-top: 2.5rem;
  border-top: 1px solid rgba(255,255,255,.08);
  flex-wrap: wrap;
}
.stat-item { padding-right: 3rem; position: relative; }
.stat-item:not(:last-child)::after {
  content: ''; position: absolute; right: 1.5rem; top: 10%;
  height: 80%; width: 1px; background: rgba(255,255,255,.1);
}
.stat-number {
  font-family: 'Syne', sans-serif; font-size: 2.25rem; font-weight: 800;
  letter-spacing: -0.04em; line-height: 1;
  background: var(--gradient);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.stat-label {
  font-size: .8125rem; color: rgba(255,255,255,.4);
  margin-top: .375rem; letter-spacing: 0.04em;
  text-transform: uppercase; font-weight: 500;
}

/* ── Service Cards ─────────────────────────────────────── */
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem; counter-reset: services-counter;
}
.service-card {
  background: var(--color-white); border-radius: var(--card-radius);
  padding: 2.25rem 2rem; box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border); position: relative;
  overflow: hidden; transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  counter-increment: services-counter;
}
.service-card::before {
  content: "0" counter(services-counter);
  position: absolute; top: 1.25rem; right: 1.5rem;
  font-family: 'Syne', sans-serif; font-size: 3.75rem; font-weight: 800;
  color: var(--color-ink); opacity: .04; line-height: 1;
  letter-spacing: -0.04em; pointer-events: none;
}
.service-card:hover {
  transform: translateY(-6px); box-shadow: var(--shadow-lg);
  border-color: rgba(124,58,237,.2);
}
.service-icon {
  width: 3.25rem; height: 3.25rem; background: var(--color-bg);
  border-radius: 12px; margin-bottom: 1.25rem;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-secondary); transition: background var(--transition), color var(--transition);
}
.service-icon svg { width: 1.5rem; height: 1.5rem; }
.service-card:hover .service-icon { background: var(--gradient); color: white; }
.service-card h3 { font-size: 1.1875rem; margin-bottom: .625rem; }
.service-card p  { font-size: .9375rem; margin-bottom: 1.25rem; line-height: 1.6; }

/* ── Portfolio Grid ────────────────────────────────────── */
.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.portfolio-item {
  position: relative; border-radius: var(--card-radius);
  overflow: hidden; aspect-ratio: 4/3; cursor: pointer; background: var(--color-bg);
}
.portfolio-placeholder {
  width: 100%; height: 100%; display: flex;
  align-items: center; justify-content: center;
  transition: transform .5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.portfolio-placeholder svg { width: 2.5rem; height: 2.5rem; color: rgba(255,255,255,.7); }
.portfolio-item:hover .portfolio-placeholder { transform: scale(1.06); }
.portfolio-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(12,11,24,.85) 0%, rgba(12,11,24,.4) 50%, transparent 100%);
  opacity: 0; transition: opacity var(--transition);
  display: flex; align-items: flex-end; padding: 1.5rem;
}
.portfolio-item:hover .portfolio-overlay { opacity: 1; }
.portfolio-info h3 { color: white; font-size: 1.0625rem; margin-bottom: .375rem; letter-spacing: -0.01em; }
.portfolio-category {
  display: inline-block; background: rgba(217,70,166,.8); color: white;
  font-size: .75rem; font-weight: 600; padding: .2rem .625rem;
  border-radius: 50px; letter-spacing: 0.03em; text-transform: uppercase;
}
.portfolio-client {
  display: flex; align-items: center; gap: .25rem;
  color: rgba(255,255,255,.5); font-size: .75rem; margin-top: .5rem;
}
.portfolio-bg-1 { background: linear-gradient(135deg, #7c3aed, #d946a6); }
.portfolio-bg-2 { background: linear-gradient(135deg, #2563eb, #7c3aed); }
.portfolio-bg-3 { background: linear-gradient(135deg, #059669, #2563eb); }
.portfolio-bg-4 { background: linear-gradient(135deg, #d97706, #dc2626); }
.portfolio-bg-5 { background: linear-gradient(135deg, #db2777, #9333ea); }
.portfolio-bg-6 { background: linear-gradient(135deg, #0d9488, #7c3aed); }

/* ── About Section ─────────────────────────────────────── */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.about-visual { display: flex; align-items: center; justify-content: center; }
.about-illustration {
  width: 100%; max-width: 420px; aspect-ratio: 1;
  background: var(--gradient); border-radius: 24px;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  box-shadow: 0 24px 64px rgba(124,58,237,.3);
}
.about-illustration::before {
  content: ''; position: absolute; top: -40%; right: -30%;
  width: 70%; height: 70%; background: rgba(255,255,255,.12);
  border-radius: 50%; pointer-events: none;
}
.about-illustration::after {
  content: ''; position: absolute; bottom: -30%; left: -20%;
  width: 55%; height: 55%; background: rgba(12,11,24,.15);
  border-radius: 50%; pointer-events: none;
}
.about-illustration svg { width: 42%; height: auto; opacity: .85; position: relative; z-index: 1; }
.about-features { margin: 1.75rem 0 2.25rem; }
.feature-item { display: flex; align-items: flex-start; gap: .875rem; margin-bottom: 1.125rem; }
.feature-check {
  width: 22px; height: 22px; background: var(--gradient); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: .15rem;
}
.feature-text strong {
  display: block; color: var(--color-ink);
  font-family: 'Syne', sans-serif; font-weight: 600; font-size: .9375rem;
  letter-spacing: -0.01em; margin-bottom: .125rem;
}
.feature-text p { font-size: .875rem; margin: 0; line-height: 1.55; }

/* ── Contact Cards ─────────────────────────────────────── */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 4rem; }
.contact-info { display: flex; flex-direction: column; gap: 1rem; }
.contact-card {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1.375rem; background: var(--color-white);
  border-radius: var(--card-radius); border: 1px solid var(--color-border);
  transition: all var(--transition);
}
.contact-card:hover { border-color: rgba(124,58,237,.25); box-shadow: var(--shadow-md); }
.contact-icon {
  width: 46px; height: 46px; background: var(--gradient); border-radius: 12px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: white;
}
.contact-card h4 {
  font-family: 'DM Sans', sans-serif; font-size: .75rem; color: var(--color-muted);
  font-weight: 500; text-transform: uppercase; letter-spacing: .08em; margin-bottom: .375rem;
}
.contact-card p, .contact-card a {
  font-size: .9375rem; color: var(--color-ink); font-weight: 500; margin: 0;
}
.contact-card a:hover { color: var(--color-primary); }

/* ── Contact Form ──────────────────────────────────────── */
.contact-form {
  background: var(--color-white); border-radius: var(--card-radius);
  padding: 2.5rem; box-shadow: var(--shadow-sm); border: 1px solid var(--color-border);
}
.contact-form h2, .contact-form h3 { margin-bottom: .375rem; }
.contact-form > p { margin-bottom: 1.75rem; }
.form-group { margin-bottom: 1.25rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-group label {
  display: block; font-size: .8125rem; font-weight: 600;
  letter-spacing: 0.03em; text-transform: uppercase;
  color: var(--color-muted); margin-bottom: .5rem;
}
.form-group input, .form-group textarea {
  width: 100%; padding: .875rem 1.125rem;
  font-size: .9375rem; font-family: 'DM Sans', sans-serif;
  color: var(--color-ink); background: var(--color-bg);
  border: 1.5px solid transparent; border-radius: var(--input-radius);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  outline: none;
}
.form-group input:focus, .form-group textarea:focus {
  background: var(--color-white); border-color: var(--color-secondary);
  box-shadow: 0 0 0 4px rgba(124,58,237,.1);
}
.form-group input::placeholder, .form-group textarea::placeholder { color: rgba(107,104,128,.4); }
.form-group textarea { height: 148px; resize: vertical; }
.form-group input.error, .form-group textarea.error { border-color: #ef4444; }
.field-error { display: block; font-size: .8125rem; color: #ef4444; margin-top: .375rem; }
.form-message {
  padding: 1rem 1.125rem; border-radius: var(--input-radius);
  font-size: .9375rem; margin-top: 1rem; display: none;
}
.form-message.success {
  background: rgba(5,150,105,.08); color: #047857;
  border: 1.5px solid rgba(5,150,105,.2); display: block;
}
.form-message.error {
  background: rgba(239,68,68,.08); color: #dc2626;
  border: 1.5px solid rgba(239,68,68,.2); display: block;
}

/* ── Footer ────────────────────────────────────────────── */
.footer { background: var(--color-ink); padding: 5rem 0 0; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem; padding-bottom: 4rem;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.footer-brand .footer-logo { margin-bottom: 1.25rem; display: inline-flex; }
.footer-brand .logo-text { -webkit-text-fill-color: white; background: none; color: white; }
.footer-desc { color: rgba(255,255,255,.4); font-size: .9375rem; line-height: 1.75; margin-bottom: 1.75rem; }
.social-links { display: flex; gap: .625rem; flex-wrap: wrap; }
.social-link {
  width: 38px; height: 38px; background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.1); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.45); transition: all var(--transition);
}
.social-link:hover {
  background: var(--gradient); border-color: transparent;
  color: white; transform: translateY(-3px);
}
.footer-heading {
  font-family: 'Syne', sans-serif; color: var(--color-white);
  font-size: .75rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .12em; margin-bottom: 1.375rem;
}
.footer-links li { margin-bottom: .625rem; }
.footer-links a { color: rgba(255,255,255,.4); font-size: .9375rem; transition: color var(--transition); }
.footer-links a:hover { color: rgba(255,255,255,.9); }
.footer-contact { display: flex; flex-direction: column; gap: .875rem; }
.footer-contact li {
  display: flex; align-items: flex-start; gap: .75rem;
  color: rgba(255,255,255,.4); font-size: .875rem; line-height: 1.6;
}
.footer-contact svg { flex-shrink: 0; margin-top: 2px; color: var(--color-primary); }
.footer-contact a { color: rgba(255,255,255,.4); }
.footer-contact a:hover { color: rgba(255,255,255,.85); }
.footer-bottom {
  padding: 1.75rem 0;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .5rem;
}
.footer-bottom p { color: rgba(255,255,255,.25); font-size: .8125rem; margin: 0; }

/* ── Page Header ───────────────────────────────────────── */
.page-header {
  background: var(--color-ink); padding: 9.5rem 0 5rem;
  text-align: center; position: relative; overflow: hidden;
}
.page-header::before {
  content: ''; position: absolute; top: -20%; left: 50%; transform: translateX(-50%);
  width: 800px; height: 400px;
  background: radial-gradient(ellipse, rgba(124,58,237,.2) 0%, transparent 65%);
  pointer-events: none;
}
.page-header::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 72px; background: white;
  clip-path: ellipse(55% 100% at 50% 100%);
}
.page-header h1 { color: white; font-size: clamp(2.25rem, 4vw, 3.25rem); }
.page-header p  {
  color: rgba(255,255,255,.5); font-size: 1.0625rem;
  max-width: 560px; margin: 1rem auto 0; font-weight: 300;
}

/* ── Services Detail Page ──────────────────────────────── */
.services-detail-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.service-detail-card {
  background: white; border-radius: var(--card-radius);
  padding: 2.5rem; border: 1px solid var(--color-border);
  transition: all var(--transition); position: relative; overflow: hidden;
}
.service-detail-card::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 4px; height: 100%; background: var(--gradient);
}
.service-detail-card:hover {
  box-shadow: var(--shadow-lg); transform: translateY(-4px);
  border-color: rgba(124,58,237,.2);
}
.service-detail-icon {
  width: 3.5rem; height: 3.5rem; background: var(--color-bg);
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  color: var(--color-secondary); margin-bottom: 1.25rem;
}
.service-detail-icon svg { width: 1.75rem; height: 1.75rem; }
.service-detail-card h3 { font-size: 1.375rem; margin-bottom: .75rem; }
.service-features-list { display: flex; flex-direction: column; gap: .5rem; margin: 1.25rem 0 1.5rem; }
.service-features-list li {
  display: flex; align-items: center; gap: .625rem;
  font-size: .9375rem; color: var(--color-muted);
}
.service-features-list li::before {
  content: ''; width: 6px; height: 6px;
  background: var(--gradient); border-radius: 50%; flex-shrink: 0;
}
.service-price {
  display: inline-block; font-family: 'Syne', sans-serif;
  font-size: .875rem; font-weight: 700; color: var(--color-secondary);
  padding: .4rem .875rem; background: rgba(124,58,237,.08);
  border-radius: 50px; margin-bottom: 1.375rem; letter-spacing: -0.01em;
}

/* ── Portfolio Filter ──────────────────────────────────── */
.portfolio-filter {
  display: flex; gap: .75rem; justify-content: center;
  flex-wrap: wrap; margin-bottom: 3rem;
}
.filter-btn {
  padding: .5rem 1.375rem; border: 1.5px solid var(--color-border);
  background: transparent; border-radius: 50px;
  font-family: 'DM Sans', sans-serif; font-size: .875rem; font-weight: 500;
  cursor: pointer; transition: all var(--transition); color: var(--color-muted);
}
.filter-btn:hover { border-color: var(--color-secondary); color: var(--color-secondary); }
.filter-btn.active {
  background: var(--gradient); border-color: transparent;
  color: white; box-shadow: 0 4px 16px rgba(217,70,166,.25);
}

/* ── About Page ────────────────────────────────────────── */
.about-story { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; margin-bottom: 0; }
.about-values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.value-card {
  text-align: center; padding: 2.25rem 1.5rem; background: white;
  border-radius: var(--card-radius); border: 1px solid var(--color-border);
  transition: all var(--transition);
}
.value-card:hover { box-shadow: var(--shadow-md); transform: translateY(-5px); border-color: rgba(124,58,237,.2); }
.value-icon {
  width: 3rem; height: 3rem; background: var(--color-bg); border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.125rem; color: var(--color-secondary); transition: all var(--transition);
}
.value-icon svg { width: 1.375rem; height: 1.375rem; }
.value-card:hover .value-icon { background: var(--gradient); color: white; }
.value-card h3 { font-size: 1.125rem; margin-bottom: .5rem; }

/* Team */
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.team-card {
  text-align: center; padding: 2.5rem 2rem; background: white;
  border-radius: var(--card-radius); border: 1px solid var(--color-border);
  transition: all var(--transition);
}
.team-card:hover { box-shadow: var(--shadow-md); transform: translateY(-5px); border-color: rgba(124,58,237,.2); }
.team-avatar {
  width: 96px; height: 96px; border-radius: 50%;
  margin: 0 auto 1.25rem; background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Syne', sans-serif; font-size: 1.75rem; color: white;
  font-weight: 800; letter-spacing: -0.04em;
  box-shadow: 0 8px 24px rgba(217,70,166,.3);
}
.team-card h3  { font-size: 1.125rem; margin-bottom: .25rem; }
.team-role     { font-size: .8125rem; color: var(--color-primary); font-weight: 600; margin-bottom: .875rem; text-transform: uppercase; letter-spacing: 0.05em; }
.team-bio      { font-size: .875rem; margin-bottom: 1.125rem; line-height: 1.65; }
.team-social   { display: flex; justify-content: center; gap: .5rem; }
.team-social a {
  width: 34px; height: 34px; background: var(--color-bg); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-muted); transition: all var(--transition);
}
.team-social a:hover { background: var(--gradient); color: white; }

/* Timeline */
.timeline { position: relative; padding: 1rem 0; }
.timeline::before {
  content: ''; position: absolute; left: 50%; top: 0; bottom: 0;
  width: 1px; background: var(--color-border); transform: translateX(-50%);
}
.timeline-item { display: flex; gap: 2rem; margin-bottom: 2rem; position: relative; align-items: flex-start; }
.timeline-item:nth-child(even) { flex-direction: row-reverse; }
.timeline-content {
  flex: 1; background: white; padding: 1.5rem;
  border-radius: var(--card-radius); border: 1px solid var(--color-border);
}
.timeline-content h4 { color: var(--color-ink); margin-bottom: .375rem; }
.timeline-content p  { font-size: .9375rem; }
.timeline-date {
  flex: 0 0 110px; text-align: center; padding: .75rem 1rem;
  background: var(--gradient); color: white; border-radius: 50px;
  font-family: 'Syne', sans-serif; font-weight: 700; font-size: .875rem; align-self: flex-start;
}

/* ── Contact Page ──────────────────────────────────────── */
.contact-page-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 4rem; margin-bottom: 4rem; }
.map-container { border-radius: var(--card-radius); overflow: hidden; height: 400px; border: 1px solid var(--color-border); }
.map-container iframe { width: 100%; height: 100%; border: none; }

/* ── CTA Block ─────────────────────────────────────────── */
.cta-block { max-width: 620px; margin: 0 auto; }
.cta-block h2 { color: var(--color-ink); margin-bottom: .75rem; }
.cta-block p  { font-size: 1.0625rem; margin-bottom: 1.75rem; }
.cta-actions  { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ── 404 Page ──────────────────────────────────────────── */
.not-found { min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; padding: 2rem; }
.not-found-content { max-width: 520px; }
.not-found-number {
  font-family: 'Syne', sans-serif; font-size: 9rem; font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  line-height: 1; margin-bottom: .75rem; letter-spacing: -0.06em;
}

/* ── Scroll Animations ─────────────────────────────────── */
.fade-in {
  opacity: 0; transform: translateY(24px);
  transition: opacity .65s cubic-bezier(0.16, 1, 0.3, 1), transform .65s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-in.visible { opacity: 1; transform: translateY(0); }
.fade-in-delay-1 { transition-delay: .08s; }
.fade-in-delay-2 { transition-delay: .16s; }
.fade-in-delay-3 { transition-delay: .24s; }
.fade-in-delay-4 { transition-delay: .32s; }
.fade-in-delay-5 { transition-delay: .40s; }
.fade-in-delay-6 { transition-delay: .48s; }

/* ── Utilities ─────────────────────────────────────────── */
.text-gradient {
  background: var(--gradient);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.text-center { text-align: center; }
.text-white  { color: white; }
.mt-4        { margin-top: 2rem; }

/* Button loading spinner */
.btn-loading { position: relative; pointer-events: none; opacity: .8; }
.btn-loading::after {
  content: ''; position: absolute; right: 1rem;
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,.3); border-top-color: white;
  border-radius: 50%; animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Responsive ────────────────────────────────────────── */
@media (min-width: 769px) and (max-width: 1199px) {
  :root { --section-padding: 80px; }
  .services-grid        { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid       { grid-template-columns: repeat(2, 1fr); }
  .services-detail-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid      { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .contact-page-grid { grid-template-columns: 1fr 1.2fr; gap: 2.5rem; }
}

@media (max-width: 768px) {
  :root { --section-padding: 64px; }
  h1 { font-size: 2.5rem; letter-spacing: -0.03em; }
  h2 { font-size: 1.875rem; }
  h3 { font-size: 1.25rem; }
  .container { padding: 0 1.25rem; }
  .hamburger { display: flex; }
  .nav-links {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(255,255,255,.98); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
    flex-direction: column; align-items: center; justify-content: center;
    gap: .25rem; transform: translateX(-100%); transition: transform var(--transition); z-index: 999;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-link { font-size: 1.375rem; padding: .875rem 2.5rem; }
  .hero { padding-top: 96px; }
  .hero h1 { font-size: clamp(2.75rem, 9vw, 3.5rem); }
  .hero-actions { flex-direction: column; align-items: flex-start; gap: .75rem; }
  .hero-stats { gap: 0; }
  .stat-item { padding-right: 2rem; }
  .services-grid,
  .portfolio-grid,
  .services-detail-grid,
  .about-values,
  .team-grid { grid-template-columns: 1fr; }
  .about-grid,
  .contact-grid,
  .about-story,
  .contact-page-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .about-visual { order: -1; }
  .about-illustration { max-width: 280px; margin: 0 auto; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid   { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; gap: .75rem; }
  .page-header { padding: 8.5rem 0 4rem; }
  .page-header::after { height: 48px; }
  .timeline::before { left: 20px; }
  .timeline-item,
  .timeline-item:nth-child(even) { flex-direction: column; padding-left: 52px; }
  .timeline-date { flex: none; font-size: .8125rem; padding: .5rem .875rem; }
  .cta-actions { flex-direction: column; align-items: center; }
  .not-found-number { font-size: 6rem; }
}