/* ═══════════════════════════════════════════════════════════════
   YEBIS International GmbH — Premium Stylesheet
   Apple.com × Samsung.com Inspired Design
   ═══════════════════════════════════════════════════════════════ */

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

:root {
  --c-bg:          #000000;
  --c-surface:     #0a0a0a;
  --c-surface-2:   #111111;
  --c-surface-3:   #1a1a1a;
  --c-border:      rgba(255,255,255,0.08);
  --c-text:        #f5f5f7;
  --c-text-muted:  #86868b;
  --c-accent:      #0071e3;
  --c-accent-glow: rgba(0,113,227,0.4);
  --c-gold:        #d4af37;
  --c-gradient-1:  #0071e3;
  --c-gradient-2:  #1c6ef3;
  --c-gradient-3:  #7b2ff7;

  --radius-sm:  8px;
  --radius-md:  16px;
  --radius-lg:  24px;
  --radius-xl:  40px;

  --shadow-card: 0 4px 40px rgba(0,0,0,0.6), 0 1px 0 rgba(255,255,255,0.05);
  --shadow-glow: 0 0 80px rgba(0,113,227,0.3);

  --nav-height: 52px;
  --section-pad: 120px;
  --container:   1200px;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ─── Utility ──────────────────────────────────────────────────── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 16px;
}
.section-eyebrow--light { color: rgba(255,255,255,0.6); }

.section-title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--c-text);
  margin-bottom: 20px;
}

.section-desc {
  font-size: 18px;
  color: var(--c-text-muted);
  max-width: 560px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 80px;
}

/* ─── Buttons ──────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 980px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.3s var(--ease-out-expo);
  white-space: nowrap;
}

.btn--primary {
  background: var(--c-accent);
  color: #fff;
}
.btn--primary:hover {
  background: #0077ed;
  transform: scale(1.02);
  box-shadow: 0 8px 30px var(--c-accent-glow);
}

.btn--ghost {
  background: transparent;
  color: var(--c-accent);
  border: 1.5px solid rgba(0,113,227,0.4);
}
.btn--ghost:hover {
  background: rgba(0,113,227,0.1);
  border-color: var(--c-accent);
}

.btn--large { padding: 18px 40px; font-size: 17px; }
.btn--full  { width: 100%; justify-content: center; }

/* ─── Navigation ───────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(0,0,0,0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--c-border);
  transition: background 0.3s;
}

.nav.scrolled {
  background: rgba(0,0,0,0.9);
}

.nav__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: baseline;
  gap: 6px;
  text-decoration: none;
}
.nav__logo-text {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #fff 0%, #86868b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav__logo-sub {
  font-size: 12px;
  font-weight: 400;
  color: var(--c-text-muted);
}

.nav__links {
  display: flex;
  list-style: none;
  gap: 4px;
}
.nav__links a {
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 400;
  color: var(--c-text-muted);
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
}
.nav__links a:hover {
  color: var(--c-text);
  background: rgba(255,255,255,0.06);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ─── Hero ─────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero__bg {
  position: absolute;
  inset: 0;
}

.hero__gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0,113,227,0.25) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 70%, rgba(123,47,247,0.15) 0%, transparent 50%),
    radial-gradient(ellipse 40% 30% at 20% 80%, rgba(0,113,227,0.1) 0%, transparent 50%),
    #000;
}

.hero__particles {
  position: absolute;
  inset: 0;
}

.hero__content {
  position: relative;
  text-align: center;
  padding: 0 24px;
  max-width: 800px;
}

.hero__eyebrow {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out-expo) 0.2s forwards;
}

.hero__title {
  font-size: clamp(48px, 9vw, 100px);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.04em;
  color: #fff;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out-expo) 0.35s forwards;
}

.hero__title--accent {
  background: linear-gradient(135deg, var(--c-gradient-1) 0%, var(--c-gradient-3) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: clamp(16px, 2.5vw, 21px);
  color: var(--c-text-muted);
  max-width: 600px;
  margin: 0 auto 40px;
  font-weight: 300;
  line-height: 1.5;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out-expo) 0.5s forwards;
}

.hero__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out-expo) 0.65s forwards;
}

.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  opacity: 0;
  animation: fadeIn 1s ease 1.2s forwards;
}
.hero__scroll span {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-text-muted);
}
.hero__scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--c-accent), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

/* ─── Stats ────────────────────────────────────────────────────── */
.stats {
  padding: 80px 0;
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}

.stats__item {
  text-align: center;
  padding: 40px 20px;
  border-right: 1px solid var(--c-border);
  transition: background 0.3s;
}
.stats__item:last-child { border-right: none; }
.stats__item:hover { background: rgba(0,113,227,0.05); }

.stats__number {
  display: block;
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #fff 0%, #86868b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.stats__label {
  font-size: 14px;
  color: var(--c-text-muted);
  font-weight: 400;
}

/* ─── About ────────────────────────────────────────────────────── */
.about {
  padding: var(--section-pad) 0;
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about__visual {
  position: relative;
  height: 500px;
}

.about__orb {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,113,227,0.2) 0%, transparent 70%);
  filter: blur(40px);
  animation: pulse 4s ease-in-out infinite;
}

.about__card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-card);
  font-size: 15px;
  font-weight: 500;
  transition: transform 0.3s var(--ease-out-expo);
}
.about__card:hover { transform: scale(1.04); }
.about__card-icon { font-size: 28px; }

.about__card--1 { top: 10%;  left: 5%;   animation: float 6s ease-in-out infinite; }
.about__card--2 { top: 40%;  right: 5%;  animation: float 6s ease-in-out 2s infinite; }
.about__card--3 { bottom: 10%; left: 15%; animation: float 6s ease-in-out 4s infinite; }

.about__desc {
  color: var(--c-text-muted);
  font-size: 17px;
  line-height: 1.7;
  margin-bottom: 20px;
}

.about__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}

.badge {
  padding: 6px 16px;
  border-radius: 980px;
  border: 1px solid var(--c-border);
  background: var(--c-surface-2);
  font-size: 12px;
  font-weight: 500;
  color: var(--c-text-muted);
  letter-spacing: 0.05em;
}

/* ─── Services ─────────────────────────────────────────────────── */
.services {
  padding: var(--section-pad) 0;
  background: var(--c-surface);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--c-border);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.service-card {
  background: var(--c-surface-2);
  padding: 48px;
  transition: background 0.3s;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-gradient-1), var(--c-gradient-3));
  opacity: 0;
  transition: opacity 0.3s;
}

.service-card:hover { background: rgba(0,113,227,0.04); }
.service-card:hover::before { opacity: 1; }

.service-card--featured {
  background: rgba(0,113,227,0.06);
}
.service-card--featured::before { opacity: 1; }

.service-card__icon {
  width: 48px;
  height: 48px;
  color: var(--c-accent);
  margin-bottom: 24px;
}
.service-card__icon svg { width: 100%; height: 100%; }

.service-card h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.service-card p {
  font-size: 15px;
  color: var(--c-text-muted);
  line-height: 1.7;
  margin-bottom: 28px;
}

.service-card__link {
  font-size: 14px;
  font-weight: 500;
  color: var(--c-accent);
  transition: gap 0.2s;
}
.service-card__link:hover { text-decoration: underline; }

/* ─── Highlight ────────────────────────────────────────────────── */
.highlight {
  padding: var(--section-pad) 0;
  background: radial-gradient(ellipse 100% 80% at 50% 50%, rgba(0,113,227,0.15) 0%, transparent 70%), var(--c-bg);
  overflow: hidden;
}

.highlight__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.highlight__title {
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  line-height: 1.1;
}

.highlight__desc {
  font-size: 18px;
  color: var(--c-text-muted);
  line-height: 1.7;
  margin-bottom: 40px;
}

.highlight__visual {
  position: relative;
  height: 400px;
}

.highlight__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  animation: pulse 5s ease-in-out infinite;
}
.highlight__orb--1 {
  width: 280px; height: 280px;
  top: 10%; left: 10%;
  background: rgba(0,113,227,0.3);
  animation-delay: 0s;
}
.highlight__orb--2 {
  width: 200px; height: 200px;
  bottom: 10%; right: 10%;
  background: rgba(123,47,247,0.3);
  animation-delay: 2s;
}

.highlight__card {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(40px);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  min-width: 280px;
  box-shadow: var(--shadow-card);
}

.highlight__card-top {
  display: flex;
  justify-content: center;
  gap: 16px;
  font-size: 40px;
  margin-bottom: 24px;
}

.highlight__card-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 6px;
}

.highlight__card-sub {
  font-size: 13px;
  color: var(--c-text-muted);
  letter-spacing: 0.08em;
}

/* ─── Team ─────────────────────────────────────────────────────── */
.team {
  padding: var(--section-pad) 0;
  background: var(--c-surface);
}

.team__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.team__card {
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 48px 36px;
  text-align: center;
  transition: transform 0.3s var(--ease-out-expo), box-shadow 0.3s;
}
.team__card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card);
}
.team__card--featured {
  background: rgba(0,113,227,0.06);
  border-color: rgba(0,113,227,0.3);
}

.team__avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-gradient-1), var(--c-gradient-3));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin: 0 auto 24px;
}

.team__card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.team__role {
  font-size: 14px;
  color: var(--c-accent);
  font-weight: 500;
  margin-bottom: 8px;
}

.team__location {
  font-size: 13px;
  color: var(--c-text-muted);
}

/* ─── Contact ──────────────────────────────────────────────────── */
.contact {
  padding: var(--section-pad) 0;
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

.contact__items {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-top: 40px;
}

.contact__item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.contact__item-icon {
  font-size: 24px;
  width: 48px;
  height: 48px;
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact__item strong {
  display: block;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-text-muted);
  margin-bottom: 6px;
}

.contact__item p {
  font-size: 16px;
  line-height: 1.5;
}

.contact__item a {
  color: var(--c-accent);
  transition: opacity 0.2s;
}
.contact__item a:hover { opacity: 0.8; }

/* Form */
.contact__form {
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 48px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-text-muted);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--c-surface-3);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-size: 15px;
  font-family: var(--font);
  color: var(--c-text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255,255,255,0.2);
}

.form-group select option { background: var(--c-surface-3); }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px var(--c-accent-glow);
}

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

/* ─── Footer ───────────────────────────────────────────────────── */
.footer {
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  padding: 80px 0 40px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer__logo {
  display: block;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.footer__brand p {
  font-size: 14px;
  color: var(--c-text-muted);
  line-height: 1.7;
}

.footer__links h4 {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-text-muted);
  margin-bottom: 16px;
}

.footer__links ul { list-style: none; }
.footer__links ul li { margin-bottom: 10px; }
.footer__links ul li a {
  font-size: 14px;
  color: var(--c-text-muted);
  transition: color 0.2s;
}
.footer__links ul li a:hover { color: var(--c-text); }

.footer__contact h4 {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-text-muted);
  margin-bottom: 16px;
}
.footer__contact p {
  font-size: 14px;
  color: var(--c-text-muted);
  line-height: 1.8;
}
.footer__contact a { color: var(--c-accent); }

.footer__bottom {
  border-top: 1px solid var(--c-border);
  padding-top: 32px;
  text-align: center;
}
.footer__bottom p {
  font-size: 13px;
  color: var(--c-text-muted);
}

/* ─── Animations ───────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-16px); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50%       { opacity: 1;   transform: scale(1.1); }
}

@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 0; }
  40%  { opacity: 1; }
  100% { transform: scaleY(1); transform-origin: top; opacity: 0; }
}

/* Scroll-triggered reveal */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ─── Responsive ───────────────────────────────────────────────── */
@media (max-width: 1024px) {
  :root { --section-pad: 80px; }
  .about__grid, .highlight__inner, .contact__grid { grid-template-columns: 1fr; gap: 48px; }
  .about__visual { height: 360px; }
  .services__grid { grid-template-columns: 1fr; }
  .team__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stats__item { border-right: none; border-bottom: 1px solid var(--c-border); }
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0; right: 0;
    background: rgba(0,0,0,0.96);
    backdrop-filter: blur(20px);
    padding: 24px;
    flex-direction: column;
    border-bottom: 1px solid var(--c-border);
  }
  .nav__links.open { display: flex; }
  .nav__links a { padding: 14px 0; font-size: 16px; border-bottom: 1px solid var(--c-border); }
  .nav__toggle { display: flex; }

  .team__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; align-items: center; }
  .contact__form { padding: 28px; }
  .service-card { padding: 32px; }
}