/* ===== RESET & BASE ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-heading: #1a1a2e;
  --color-text: #3a3a4a;
  --color-text-light: #6a6a7a;
  --color-accent: #1a7f8e;
  --color-accent-hover: #15616d;
  --color-accent-light: rgba(26, 127, 142, 0.08);
  --color-accent-glow: rgba(26, 127, 142, 0.15);
  --color-bg: #f5f5f0;
  --color-bg-alt: #eeeee8;
  --color-white: #ffffff;
  --color-border: #e0e0d8;
  --color-grey: #8c8c8c;
  --font-body: 'Inter', sans-serif;
  --font-heading: 'Outfit', sans-serif;
  --max-width: 1000px;
  --section-padding: 6rem 1.5rem;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-heading);
  line-height: 1.2;
  font-weight: 600;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--color-accent-hover);
}

a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

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

/* ===== CONTAINER ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===== NAVIGATION ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.nav__logo {
  display: flex;
  align-items: center;
}

.nav__logo-img {
  height: 52px;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav__links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-light);
  transition: color 0.2s;
  position: relative;
}

.nav__links a:hover {
  color: var(--color-heading);
}

.nav__links a:not(.nav__lang)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width 0.25s ease;
}

.nav__links a:not(.nav__lang):hover::after {
  width: 100%;
}

.nav__lang {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
  padding: 0.3rem 0.75rem;
  border-radius: 4px;
  transition: background 0.2s, color 0.2s;
}

.nav__lang:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

/* ===== HERO ===== */
.hero {
  padding: 7rem 1.5rem 6rem;
  background: var(--color-white);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0.3;
}

.hero__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
}

.hero__accent {
  display: block;
  width: 48px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 2px;
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  max-width: 720px;
  margin-bottom: 1.25rem;
  letter-spacing: -0.025em;
}

.hero__sub {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: var(--color-text-light);
  max-width: 600px;
  margin-bottom: 2.5rem;
  line-height: 1.65;
}

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.85rem 2.2rem;
  border-radius: 6px;
  transition: all 0.25s ease;
  cursor: pointer;
  border: none;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(26, 127, 142, 0.3);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(26, 127, 142, 0.4);
}

.btn--primary:focus-visible {
  outline: 2px solid var(--color-heading);
  outline-offset: 2px;
}

/* ===== SECTIONS ===== */
.section {
  padding: var(--section-padding);
}

.section--alt {
  background: var(--color-white);
}

.section__title {
  font-size: 1.75rem;
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.section__title::after {
  content: '';
  display: block;
  width: 36px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
  margin-top: 0.5rem;
}

.probono .section__title::after {
  background: rgba(255, 255, 255, 0.4);
}

.section__subtitle {
  color: var(--color-accent);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

/* ===== ABOUT ===== */
.about__text {
  max-width: 700px;
  margin-bottom: 2.5rem;
  font-size: 1.05rem;
}

.about__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
}

.about__fact {
  padding: 1.25rem;
  background: var(--color-bg);
  border-radius: 8px;
  border-left: 3px solid var(--color-accent);
}

.about__fact-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.about__fact-value {
  font-weight: 600;
  color: var(--color-heading);
  font-size: 0.95rem;
}

/* ===== SERVICES ===== */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 2rem 1.75rem;
  transition: transform 0.25s, box-shadow 0.25s;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-grey));
  opacity: 0;
  transition: opacity 0.25s;
}

.service-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

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

.service-card__icon {
  width: 44px;
  height: 44px;
  background: var(--color-accent-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.service-card__icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-accent);
  fill: none;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card__title {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
  color: var(--color-heading);
}

.service-card__desc {
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  color: var(--color-text);
  line-height: 1.65;
}

.service-card__clients {
  font-size: 0.8rem;
  color: var(--color-text-light);
  font-weight: 500;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.service-card__clients strong {
  color: var(--color-text);
}

/* ===== TRACK RECORD ===== */
.track__list {
  margin-top: 2rem;
}

.track__item {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-border);
  align-items: center;
  transition: background 0.2s;
}

.track__item:last-child {
  border-bottom: none;
}

.track__period {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

.track__client {
  font-weight: 700;
  color: var(--color-heading);
  font-size: 1.05rem;
}

.track__meta {
  font-size: 0.82rem;
  color: var(--color-white);
  background: var(--color-accent);
  padding: 0.1rem 0.5rem;
  border-radius: 3px;
  font-weight: 600;
  margin-left: 0.5rem;
  display: inline-block;
  vertical-align: middle;
  letter-spacing: 0.01em;
}

.track__scope {
  font-size: 0.95rem;
  margin-top: 0.4rem;
  color: var(--color-text);
}

.track__suppliers {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  justify-content: flex-end;
  min-width: 260px;
}

.track__suppliers a {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 56px;
  transition: opacity 0.2s;
}

.track__suppliers a:hover {
  opacity: 0.65;
}

.track__suppliers img {
  height: 52px;
  width: auto;
  max-width: 170px;
  object-fit: contain;
}

.track__suppliers img.supplier--square {
  height: 82px;
  border-radius: 8px;
}

.track__suppliers img.supplier--centric {
  height: 57px;
}

.track__suppliers img.supplier--invert {
  filter: invert(1);
  height: 48px;
  border-radius: 7px;
}

.track__suppliers img.supplier--anchr {
  height: 75px;
}

/* ===== PRO BONO ===== */
.probono {
  background: linear-gradient(135deg, var(--color-heading) 0%, #252545 100%);
  color: rgba(255, 255, 255, 0.85);
  position: relative;
  overflow: hidden;
}

.probono::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), transparent);
}

.probono .section__subtitle {
  color: var(--color-accent);
  opacity: 0.8;
}

.probono .section__title {
  color: var(--color-white);
}

.probono__text {
  max-width: 700px;
  font-size: 1.05rem;
  line-height: 1.7;
}

.probono__text strong {
  color: var(--color-white);
  font-weight: 600;
}

/* ===== CONTACT ===== */
.contact__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.contact__item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1.25rem;
  background: var(--color-bg);
  border-radius: 8px;
  transition: transform 0.2s;
}

.contact__item:hover {
  transform: translateY(-2px);
}

.contact__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
  font-weight: 600;
}

.contact__value {
  font-weight: 600;
  color: var(--color-heading);
  font-size: 0.95rem;
}

.contact__linkedin {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.contact__linkedin svg {
  flex-shrink: 0;
}

/* ===== FOOTER ===== */
.footer {
  padding: 2.5rem 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-light);
  border-top: 1px solid var(--color-border);
  background: var(--color-white);
}

.footer__links {
  margin-top: 0.5rem;
}

.footer__links a {
  color: var(--color-text-light);
  margin: 0 0.5rem;
}

.footer__links a:hover {
  color: var(--color-accent);
}

/* ===== SCROLL ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  :root {
    --section-padding: 4rem 1.25rem;
  }

  .nav__links {
    gap: 1rem;
  }

  .nav__links li:not(:last-child):not(:nth-last-child(2)) {
    display: none;
  }

  .hero {
    padding: 5rem 1.25rem 4rem;
  }

  .hero::before {
    width: 300px;
    height: 300px;
    top: -60px;
    right: -60px;
  }

  .track__item {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .track__suppliers {
    justify-content: flex-start;
    margin-top: 0.5rem;
  }

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

  .track__meta {
    margin-left: 0;
    margin-top: 0.25rem;
  }
}

@media (max-width: 480px) {
  .nav__inner {
    height: 56px;
  }

  .nav__logo-img {
    height: 40px;
  }

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

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

/* ===== PRINT ===== */
@media print {
  .nav,
  .btn,
  .nav__lang {
    display: none;
  }

  body {
    font-size: 11pt;
    color: #000;
    background: #fff;
    line-height: 1.5;
  }

  .hero {
    padding: 2rem 0;
  }

  .hero::before,
  .hero::after {
    display: none;
  }

  .section {
    padding: 1.5rem 0;
    break-inside: avoid;
  }

  .probono {
    background: #fff;
    color: #000;
  }

  .probono::before {
    display: none;
  }

  .probono .section__title {
    color: #000;
  }

  .probono__text strong {
    color: #000;
  }

  .service-card {
    border: 1px solid #ccc;
    box-shadow: none;
  }

  .service-card::before {
    display: none;
  }

  .track__meta {
    background: none;
    color: #555;
    padding: 0;
  }

  a {
    color: #000;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #555;
  }

  .nav__links a[href]::after,
  .footer__links a[href]::after {
    content: none;
  }
}