/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Inter', -apple-system, sans-serif; color: #111; background: #fff; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
h1,h2,h3,h4 { font-family: 'Barlow Condensed', sans-serif; line-height: 1; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }

/* ===== VARIABLES ===== */
:root {
  --blue: #0066CC;
  --blue-dark: #004999;
  --black: #111111;
  --gray-bg: #f0f0f0;
  --gray-border: #e5e5e5;
  --text: #111111;
  --text-muted: #666666;
  --white: #ffffff;
}

/* ===== UTILITIES ===== */
.ds-container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
.ds-eyebrow { display: block; font-size: 0.72rem; font-weight: 600; color: var(--blue); letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 1rem; font-family: 'Inter', sans-serif; }

/* ===== BUTTONS ===== */
.ds-btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: 100px; font-size: 0.78rem; font-weight: 700; font-family: 'Inter', sans-serif; letter-spacing: 0.06em; text-transform: uppercase; transition: all 0.2s; border: none; cursor: pointer; }
.ds-btn--white { background: #fff; color: #111; }
.ds-btn--white:hover { background: var(--blue); color: #fff; }
.ds-btn--outline { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.4); }
.ds-btn--outline:hover { background: rgba(255,255,255,0.1); border-color: #fff; }
.ds-btn--dark { background: #111; color: #fff; }
.ds-btn--dark:hover { background: var(--blue); }
.ds-btn--blue { background: var(--blue); color: #fff; }
.ds-btn--blue:hover { background: var(--blue-dark); }

/* ===== NAVBAR ===== */
.ds-nav { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; transition: background 0.3s; }
.ds-nav.scrolled { background: #111 !important; }
.ds-nav__inner { max-width: 1400px; margin: 0 auto; padding: 0 2rem; height: 72px; display: flex; align-items: center; justify-content: space-between; }
.ds-nav__logo { display: flex; align-items: center; gap: 10px; }
.ds-nav__logo span { font-family: 'Barlow Condensed', sans-serif; font-size: 1.2rem; font-weight: 400; color: #fff; text-transform: uppercase; letter-spacing: 0.05em; }
.ds-nav__logo strong { color: var(--blue); font-weight: 700; }
.ds-nav__links { display: flex; align-items: center; gap: 2rem; }
.ds-nav__links > a { color: rgba(255,255,255,0.75); font-size: 0.8rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; transition: color 0.2s; font-family: 'Inter', sans-serif; }
.ds-nav__links > a:hover { color: #fff; }
.ds-nav__cta { padding: 9px 22px !important; border: 1px solid rgba(255,255,255,0.4) !important; border-radius: 100px !important; color: #fff !important; font-size: 0.78rem !important; font-weight: 600 !important; font-family: 'Inter', sans-serif !important; letter-spacing: 0.06em !important; text-transform: uppercase !important; transition: all 0.2s !important; }
.ds-nav__cta:hover { background: #fff !important; color: #111 !important; }

/* Lang switcher */
.ds-lang { display: flex; gap: 3px; padding-left: 1.5rem; border-left: 1px solid rgba(255,255,255,0.15); }
.ds-lang__btn { padding: 4px 9px; border-radius: 3px; border: none; cursor: pointer; font-size: 0.7rem; font-weight: 700; font-family: 'Inter', sans-serif; letter-spacing: 0.06em; background: transparent; color: rgba(255,255,255,0.4); transition: all 0.2s; }
.ds-lang__btn.active, .ds-lang__btn:hover { background: var(--blue); color: #fff; }

/* Hamburger */
.ds-nav__hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.ds-nav__hamburger span { display: block; width: 22px; height: 2px; background: #fff; border-radius: 1px; transition: all 0.2s; }

/* Mobile menu */
.ds-nav__mobile { display: none; flex-direction: column; gap: 1.5rem; background: #111; padding: 2rem; border-top: 1px solid rgba(255,255,255,0.08); }
.ds-nav__mobile.open { display: flex; }
.ds-nav__mobile a { color: #fff; font-size: 1.2rem; font-weight: 700; font-family: 'Barlow Condensed', sans-serif; text-transform: uppercase; letter-spacing: 0.05em; }
.ds-lang--mobile { padding-left: 0; border-left: none; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,0.1); }

/* ===== HERO ===== */
.ds-hero { position: relative; height: 100vh; min-height: 600px; overflow: hidden; }
.ds-hero__slides { position: absolute; inset: 0; }
.ds-hero__slide { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0; transition: opacity 0.8s ease; }
.ds-hero__slide.active { opacity: 1; }
.ds-hero__overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.5); }
.ds-hero__content { position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; padding: 0 4rem 5.5rem; max-width: 1200px; }
.ds-hero__tag { display: flex; align-items: center; gap: 10px; margin-bottom: 1.25rem; }
.ds-hero__tag-line { width: 28px; height: 2px; background: #60A5FA; flex-shrink: 0; }
.ds-hero__tag span:last-child { font-size: 0.72rem; font-weight: 600; color: #60A5FA; letter-spacing: 0.15em; text-transform: uppercase; font-family: 'Inter', sans-serif; }
.ds-hero__heading { font-size: clamp(3rem, 8vw, 7.5rem); font-weight: 900; color: #fff; text-transform: uppercase; line-height: 0.95; letter-spacing: -0.01em; margin-bottom: 1.5rem; }
.ds-hero__sub { font-size: 1.05rem; color: rgba(255,255,255,0.7); max-width: 520px; line-height: 1.65; margin-bottom: 2.5rem; font-family: 'Inter', sans-serif; }
.ds-hero__btns { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Slider bars */
.ds-hero__bars { position: absolute; right: 3rem; top: 50%; transform: translateY(-50%); display: flex; flex-direction: column; gap: 10px; z-index: 10; }
.ds-hero__bar { width: 2px; height: 16px; background: rgba(255,255,255,0.25); border: none; cursor: pointer; padding: 0; border-radius: 1px; transition: all 0.3s; }
.ds-hero__bar.active { height: 40px; background: #fff; }

/* Stats bar */
.ds-hero__stats { position: absolute; bottom: 0; left: 0; right: 0; background: rgba(0,0,0,0.6); backdrop-filter: blur(8px); border-top: 1px solid rgba(255,255,255,0.08); padding: 1.25rem 4rem; display: flex; gap: 4rem; z-index: 10; }
.ds-stat__val { display: block; font-family: 'Barlow Condensed', sans-serif; font-size: 1.8rem; font-weight: 800; color: #fff; line-height: 1; }
.ds-stat__label { display: block; font-size: 0.68rem; color: rgba(255,255,255,0.4); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 3px; font-family: 'Inter', sans-serif; }

/* ===== SECTIONS ===== */
.ds-section { padding: 7rem 0; }
.ds-section--white { background: #fff; }
.ds-section--gray { background: #f0f0f0; }
.ds-section__header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 4rem; flex-wrap: wrap; gap: 2rem; }
.ds-section__header h2 { font-size: clamp(2rem, 4vw, 3.5rem); font-weight: 800; color: #111; text-transform: uppercase; letter-spacing: -0.01em; }

/* ===== SERVICES ===== */
.ds-services-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: #e5e5e5; border: 1px solid #e5e5e5; border-radius: 4px; overflow: hidden; }
.ds-service-card { background: #fff; padding: 2.5rem; position: relative; transition: background 0.2s; }
.ds-service-card:hover { background: #f5f5f7; }
.ds-service-card__icon { font-size: 1.8rem; color: #ccc; margin-bottom: 1.5rem; transition: color 0.2s; }
.ds-service-card:hover .ds-service-card__icon { color: var(--blue); }
.ds-service-card h3 { font-size: 1.3rem; font-weight: 700; color: #111; text-transform: uppercase; letter-spacing: 0.02em; margin-bottom: 0.75rem; }
.ds-service-card p { font-size: 0.875rem; color: #666; line-height: 1.7; margin-bottom: 1.5rem; font-family: 'Inter', sans-serif; }
.ds-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.ds-tags span { padding: 3px 10px; border-radius: 100px; font-size: 0.68rem; font-weight: 500; color: #888; background: #f0f0f0; border: 1px solid #e5e5e5; font-family: 'Inter', sans-serif; }
.ds-service-card__accent { position: absolute; bottom: 0; left: 0; height: 3px; width: 0; background: var(--blue); transition: width 0.35s ease; }
.ds-service-card:hover .ds-service-card__accent { width: 100%; }

/* ===== ABOUT ===== */
.ds-about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8rem; align-items: center; }
.ds-about__text h2 { font-size: clamp(2rem, 3.5vw, 3rem); font-weight: 800; color: #111; text-transform: uppercase; letter-spacing: -0.01em; margin-bottom: 2rem; }
.ds-about__text p { font-size: 1rem; color: #555; line-height: 1.8; margin-bottom: 1.25rem; font-family: 'Inter', sans-serif; }
.ds-about__text .ds-btn { margin-top: 1.25rem; }
.ds-about__values { display: flex; flex-direction: column; }
.ds-value { display: flex; gap: 1.5rem; align-items: flex-start; padding: 1.75rem 0; border-bottom: 1px solid #e5e5e5; transition: all 0.2s; cursor: default; }
.ds-value:first-child { border-top: 1px solid #e5e5e5; }
.ds-value:hover { padding-left: 1rem; background: #f5f5f7; }
.ds-value__num { font-family: 'Barlow Condensed', sans-serif; font-size: 0.8rem; font-weight: 700; color: var(--blue); letter-spacing: 0.1em; min-width: 28px; padding-top: 2px; }
.ds-value h4 { font-size: 1.1rem; font-weight: 700; color: #111; text-transform: uppercase; letter-spacing: 0.03em; margin-bottom: 0.4rem; }
.ds-value p { font-size: 0.875rem; color: #666; line-height: 1.6; font-family: 'Inter', sans-serif; }

/* ===== CLIENTS ===== */
.ds-clients__header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 4rem; flex-wrap: wrap; gap: 2rem; }
.ds-clients__header h2 { font-size: clamp(2rem, 4vw, 3.5rem); font-weight: 800; color: #111; text-transform: uppercase; letter-spacing: -0.01em; }
.ds-logos { display: flex; border-top: 1px solid #e0e0e0; border-bottom: 1px solid #e0e0e0; background: #fff; margin-bottom: 4rem; overflow-x: auto; }
.ds-logo-item { min-width: 160px; padding: 1.5rem 2rem; border-right: 1px solid #e5e5e5; font-family: 'Barlow Condensed', sans-serif; font-weight: 700; font-size: 0.9rem; color: #bbb; letter-spacing: 0.08em; text-transform: uppercase; transition: color 0.2s; white-space: nowrap; cursor: default; }
.ds-logo-item:hover { color: #111; }
.ds-testimonials-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.ds-testimonial { padding: 2.5rem; background: #fff; border: 1px solid #e5e5e5; border-radius: 4px; display: flex; flex-direction: column; gap: 1.25rem; transition: box-shadow 0.2s; }
.ds-testimonial:hover { box-shadow: 0 4px 24px rgba(0,0,0,0.08); }
.ds-testimonial__quote { font-family: Georgia, serif; font-size: 3rem; color: var(--blue); line-height: 0.8; }
.ds-testimonial p { font-size: 0.95rem; color: #444; line-height: 1.75; flex: 1; font-family: 'Inter', sans-serif; }
.ds-testimonial__author { display: flex; align-items: center; gap: 12px; padding-top: 1.25rem; border-top: 1px solid #e5e5e5; margin-top: auto; }
.ds-testimonial__avatar { width: 40px; height: 40px; border-radius: 50%; background: linear-gradient(135deg, #0066CC, #004999); display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0; }
.ds-testimonial__author strong { display: block; font-family: 'Barlow Condensed', sans-serif; font-size: 0.95rem; font-weight: 700; color: #111; text-transform: uppercase; letter-spacing: 0.04em; }
.ds-testimonial__author span { font-size: 0.75rem; color: #888; font-family: 'Inter', sans-serif; }

/* ===== CONTACT ===== */
.ds-contact { background: #111; }
.ds-contact__cta { padding: 5rem 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
.ds-contact__cta-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 2rem; }
.ds-contact__cta h2 { font-size: clamp(2rem, 4.5vw, 4rem); font-weight: 900; color: #fff; text-transform: uppercase; letter-spacing: -0.01em; line-height: 1; }
.ds-contact__form-wrap { padding: 5rem 0; }
.ds-contact__sub { color: rgba(255,255,255,0.5); font-family: 'Inter', sans-serif; font-size: 1rem; margin-bottom: 3rem; line-height: 1.65; }

/* Form */
.ds-form { display: flex; flex-direction: column; gap: 1.25rem; }
.ds-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.ds-form__field label { display: block; font-size: 0.72rem; font-weight: 600; color: rgba(255,255,255,0.35); margin-bottom: 8px; letter-spacing: 0.1em; text-transform: uppercase; font-family: 'Inter', sans-serif; }
.ds-form__field input, .ds-form__field select, .ds-form__field textarea { width: 100%; padding: 14px 16px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: 4px; color: #fff; font-family: 'Inter', sans-serif; font-size: 0.9rem; outline: none; transition: border-color 0.2s; }
.ds-form__field input::placeholder, .ds-form__field textarea::placeholder { color: rgba(255,255,255,0.2); }
.ds-form__field input:focus, .ds-form__field select:focus, .ds-form__field textarea:focus { border-color: var(--blue); }
.ds-form__field textarea { resize: vertical; min-height: 130px; }
.ds-form__field select option { background: #222; }
.ds-form__success { display: none; text-align: center; padding: 3rem; border: 1px solid rgba(0,102,204,0.4); border-radius: 4px; }
.ds-form__success-check { font-size: 2.5rem; color: var(--blue); margin-bottom: 1rem; }
.ds-form__success h3 { font-size: 1.8rem; font-weight: 700; color: #fff; text-transform: uppercase; margin-bottom: 0.5rem; }
.ds-form__success p { color: rgba(255,255,255,0.5); font-family: 'Inter', sans-serif; }
.ds-contact__info { display: flex; gap: 3rem; margin-top: 3rem; padding-top: 3rem; border-top: 1px solid rgba(255,255,255,0.08); flex-wrap: wrap; }
.ds-contact__info > div { display: flex; flex-direction: column; gap: 4px; }
.ds-contact__info span { font-size: 0.68rem; color: rgba(255,255,255,0.25); text-transform: uppercase; letter-spacing: 0.1em; font-family: 'Inter', sans-serif; }
.ds-contact__info strong { font-size: 0.875rem; color: rgba(255,255,255,0.6); font-family: 'Inter', sans-serif; font-weight: 500; }

/* ===== FOOTER ===== */
.ds-footer { background: #0a0a0a; border-top: 1px solid rgba(255,255,255,0.05); padding: 2.5rem 0; }
.ds-footer__inner { max-width: 1200px; margin: 0 auto; padding: 0 2rem; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1.5rem; }
.ds-footer__logo { display: flex; align-items: center; gap: 10px; }
.ds-footer__logo span { font-family: 'Barlow Condensed', sans-serif; font-weight: 400; font-size: 1rem; color: rgba(255,255,255,0.35); text-transform: uppercase; letter-spacing: 0.05em; }
.ds-footer__logo strong { color: var(--blue); }
.ds-footer__links { display: flex; gap: 2rem; flex-wrap: wrap; }
.ds-footer__links a { color: rgba(255,255,255,0.25); font-size: 0.72rem; font-family: 'Inter', sans-serif; font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; transition: color 0.2s; }
.ds-footer__links a:hover { color: rgba(255,255,255,0.6); }
.ds-footer__copy { font-size: 0.72rem; color: rgba(255,255,255,0.18); font-family: 'Inter', sans-serif; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .ds-hero__content { padding: 0 2rem 5rem; }
  .ds-hero__stats { padding: 1.25rem 2rem; gap: 2rem; }
  .ds-hero__bars { right: 1.5rem; }
  .ds-about-grid { gap: 4rem; }
}

@media (max-width: 900px) {
  .ds-nav__links { display: none; }
  .ds-nav__hamburger { display: flex; }
  .ds-services-grid { grid-template-columns: 1fr 1fr; }
  .ds-about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .ds-clients__header { flex-direction: column; }
  .ds-testimonials-grid { grid-template-columns: 1fr 1fr; }
  .ds-contact__cta-inner { flex-direction: column; align-items: flex-start; }
  .ds-section__header { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 600px) {
  .ds-container { padding: 0 1.25rem; }
  .ds-section { padding: 5rem 0; }
  .ds-hero__heading { font-size: clamp(2.5rem, 10vw, 4rem); }
  .ds-hero__content { padding: 0 1.25rem 6rem; }
  .ds-hero__stats { padding: 1rem 1.25rem; gap: 1.25rem; flex-wrap: wrap; }
  .ds-hero__bars { display: none; }
  .ds-services-grid { grid-template-columns: 1fr; }
  .ds-testimonials-grid { grid-template-columns: 1fr; }
  .ds-form__row { grid-template-columns: 1fr; }
  .ds-contact__cta { padding: 3rem 0; }
  .ds-section__header h2 { font-size: 2rem; }
  .ds-about-grid { grid-template-columns: 1fr; }
  .ds-hero__btns { flex-direction: column; }
  .ds-hero__btns .ds-btn { text-align: center; justify-content: center; }
}