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

:root {
  /* Dark */
  --dark-bg: #12110f;
  --dark-bg-secondary: #1c1a17;
  --dark-text: #f0ece4;
  --dark-text-secondary: #6b6256;
  --dark-border: #22201c;
  --dark-border-light: #2e2a24;

  /* Light */
  --light-bg: #f5f1eb;
  --light-bg-secondary: #ebe5db;
  --light-text: #1a1814;
  --light-text-secondary: #6b6256;
  --light-border: #d4cdc0;

  /* Accents */
  --accent: #c8b89a;
  --accent-dark: #8a7a62;
  --accent-light: #8a7a62;   /* alias for --accent-dark; keeps existing rules working */
  --accent-subtle: rgba(200, 184, 154, 0.15);

  /* Layout */
  --max-width: 880px;
  --container-padding: 24px;

  /* Font */
  --font: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', 'Arial', sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--dark-bg);
  color: var(--dark-text);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img, svg {
  display: block;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(18, 17, 15, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--dark-border);
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav__logo-icon {
  height: 36px;
  width: auto;
}

.nav__logo-text {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--dark-text);
  line-height: 1;
}

.nav__logo-text span {
  color: var(--accent);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav__link {
  font-size: 13px;
  color: var(--dark-text-secondary);
  transition: color 0.2s;
}

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

.nav__cta-btn {
  background: var(--accent);
  color: var(--dark-bg);
  padding: 8px 18px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  transition: opacity 0.2s;
}

.nav__cta-btn:hover {
  opacity: 0.9;
}

/* Nav Right Group */
.nav__right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Language Switch */
.lang-switch {
  display: flex;
  border: 1px solid var(--dark-border-light);
  border-radius: 6px;
  overflow: hidden;
}

.lang-switch__btn {
  background: none;
  border: none;
  padding: 5px 10px;
  cursor: pointer;
  color: var(--dark-text-secondary);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  font-family: var(--font);
  transition: background 0.2s, color 0.2s;
}

.lang-switch__btn:hover {
  color: var(--dark-text);
}

.lang-switch__btn--active {
  background: var(--accent);
  color: var(--dark-bg);
}

.lang-switch__btn--active:hover {
  color: var(--dark-bg);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--dark-text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* ===== Hero ===== */
.hero {
  background: var(--dark-bg);
  padding: 120px 0 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(200, 184, 154, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero__label {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 11px;
  letter-spacing: 4px;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 16px;
}

.hero__title {
  font-family: var(--font-display);
  font-size: 52px;
  font-weight: 700;
  line-height: 1.08;
  color: var(--dark-text);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.hero__subtitle {
  color: var(--dark-text-secondary);
  font-size: 15px;
  max-width: 420px;
  margin: 0 auto 28px;
  line-height: 1.6;
}

.hero__buttons {
  display: flex;
  gap: 10px;
  justify-content: center;
}

/* ===== Metrics Strip ===== */
.metrics {
  background: var(--dark-bg);
  border-top: 1px solid var(--dark-border);
  border-bottom: 1px solid var(--dark-border);
  padding: 28px 0;
}

.metrics__inner {
  display: flex;
  justify-content: center;
  gap: 48px;
}

.metrics__item {
  text-align: center;
}

.metrics__num {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.metrics__num::after {
  content: '+';
}

.metrics__label {
  font-size: 10px;
  color: var(--dark-text-secondary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-top: 2px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 11px 24px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 700;
  transition: opacity 0.2s, transform 0.15s, box-shadow 0.2s;
  cursor: pointer;
  text-decoration: none;
}

.btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn--primary {
  background: var(--accent);
  color: var(--dark-bg);
  box-shadow: 0 2px 12px rgba(200, 184, 154, 0.15);
}

.btn--outline {
  border: 1.5px solid var(--dark-border);
  color: var(--dark-text-secondary);
  background: transparent;
}

.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(200, 184, 154, 0.05);
}

.btn--lg {
  padding: 14px 32px;
  font-size: 14px;
}

/* ===== Transitions ===== */
.transition {
  height: 40px;
}

.transition--dark-to-light {
  background: linear-gradient(to bottom, var(--dark-bg), var(--light-bg));
}

.transition--light-to-dark {
  background: linear-gradient(to bottom, var(--light-bg), var(--dark-bg));
}

/* ===== Shared Section Styles ===== */
.services,
.products,
.process,
.experience,
.industries {
  background: var(--light-bg);
  padding: 64px 0;
}

.services > .container,
.products > .container,
.process > .container,
.experience > .container,
.industries > .container {
  text-align: center;
}

.section-label {
  display: block;
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 11px;
  letter-spacing: 4px;
  text-transform: uppercase;
  font-weight: 700;
  text-align: center;
  margin-bottom: 10px;
}

.section-title {
  color: var(--light-text);
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  letter-spacing: -0.02em;
}

.divider {
  background: var(--light-bg);
  padding: 0 var(--container-padding);
}

.divider__line {
  max-width: var(--max-width);
  margin: 0 auto;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--light-border), transparent);
}

/* ===== Services ===== */
.services__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  max-width: 540px;
  margin: 0 auto;
}

.services__item {
  text-align: center;
  padding: 22px 16px;
  background: rgba(200, 184, 154, 0.04);
  border: 1px solid var(--light-border);
  border-radius: 10px;
  transition: border-color 0.2s;
}

.services__item:hover {
  border-color: var(--accent-dark);
}

.services__icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 10px;
  font-size: 20px;
  background: var(--accent-subtle);
}

.services__name {
  color: var(--light-text);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.services__desc {
  color: var(--light-text-secondary);
  font-size: 13px;
  line-height: 1.5;
}

/* ===== Case Studies ===== */
.case-study {
  background: var(--light-bg-secondary);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 24px;
  text-align: left;
}

.case-study:last-child {
  margin-bottom: 0;
}

.case-study__header {
  padding: 24px 24px 0;
}

.case-study__tag {
  display: inline-block;
  font-size: 9px;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 8px;
  color: var(--accent-dark);
  border: 1px solid rgba(138, 122, 98, 0.2);
  background: var(--accent-subtle);
}

.case-study__name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
}

.case-study__name a {
  color: var(--light-text);
  text-decoration: none;
}

.case-study__name a:hover {
  color: var(--accent-dark);
}

.case-study__desc {
  color: var(--light-text-secondary);
  font-size: 13px;
  line-height: 1.5;
  margin-bottom: 12px;
  max-width: 500px;
}

.case-study__stack {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.case-study__stack span {
  background: rgba(26, 24, 20, 0.05);
  border: 1px solid rgba(26, 24, 20, 0.1);
  color: var(--light-text-secondary);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.case-study .thumbs {
  padding: 0 24px 20px;
}

/* ===== Thumbnails Carousel ===== */
.thumbs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}

.thumbs__track {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.thumbs__track::-webkit-scrollbar {
  display: none;
}

.thumbs__img {
  width: 242px;
  height: 156px;
  object-fit: cover;
  border-radius: 8px;
  border: 2px solid transparent;
  transition: border-color 0.2s, transform 0.2s;
  cursor: pointer;
  flex-shrink: 0;
}

.thumbs__img:hover {
  border-color: var(--accent-dark);
  transform: scale(1.05);
}

.thumbs__btn {
  background: none;
  border: 1px solid rgba(138, 122, 98, 0.3);
  color: var(--light-text-secondary);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: color 0.2s, border-color 0.2s;
}

.thumbs__btn:hover {
  color: var(--accent-dark);
  border-color: var(--accent-dark);
}

/* ===== Experience / Why Us ===== */
.experience {
  background: var(--light-bg);
  padding: 64px 0;
}

.experience__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.experience__card {
  border: 1px solid var(--light-border);
  border-radius: 10px;
  padding: 22px 18px;
  text-align: left;
}

.experience__card-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--light-text);
  margin-bottom: 6px;
}

.experience__card-desc {
  font-size: 12px;
  color: var(--light-text-secondary);
  line-height: 1.5;
}

.experience__highlight {
  margin-top: 20px;
  text-align: center;
  padding: 18px;
  background: var(--accent-subtle);
  border: 1px solid var(--light-border);
  border-radius: 10px;
}

.experience__highlight-text {
  font-size: 13px;
  color: var(--light-text-secondary);
  line-height: 1.6;
}

.experience__highlight-text em {
  color: var(--accent-dark);
  font-style: normal;
  font-weight: 600;
}

/* ===== Lightbox ===== */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.85);
  align-items: center;
  justify-content: center;
}

.lightbox.open {
  display: flex;
}

.lightbox__img {
  width: auto;
  height: auto;
  max-width: 90vw;
  max-height: 85vh;
  border-radius: 10px;
  object-fit: contain;
  position: relative;
  z-index: 1001;
}

.lightbox__close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: none;
  border: none;
  color: #fff;
  font-size: 32px;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.lightbox__close:hover { opacity: 1; }

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: #fff;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.lightbox__nav:hover { background: rgba(255, 255, 255, 0.3); }
.lightbox__nav--prev { left: 16px; }
.lightbox__nav--next { right: 16px; }

/* ===== Contact Modal ===== */
.contact-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.contact-modal.open {
  display: flex;
  animation: contactFadeIn 0.2s ease-out;
}

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

@keyframes contactSlideUp {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.contact-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
}

.contact-modal__dialog {
  position: relative;
  display: flex;
  max-width: 640px;
  width: 90vw;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--dark-border-light);
  animation: contactSlideUp 0.2s ease-out;
}

.contact-modal__info {
  background: var(--dark-bg-secondary);
  padding: 36px 28px;
  width: 45%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-modal__title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--dark-text);
  line-height: 1.2;
  margin-bottom: 12px;
}

.contact-modal__subtitle {
  color: var(--dark-text-secondary);
  font-size: 13px;
  line-height: 1.6;
}


.contact-modal__form-panel {
  background: var(--dark-bg);
  padding: 36px 28px;
  width: 55%;
  position: relative;
}

.contact-modal__close {
  position: absolute;
  top: 10px;
  right: 14px;
  background: none;
  border: none;
  color: var(--dark-text-secondary);
  font-size: 28px;
  cursor: pointer;
  transition: color 0.2s;
  line-height: 1;
}

.contact-modal__close:hover {
  color: var(--dark-text);
}

.contact-modal__field {
  margin-bottom: 14px;
}

.contact-modal__label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--dark-text-secondary);
  margin-bottom: 6px;
}

.contact-modal__optional {
  opacity: 0.5;
  text-transform: none;
  letter-spacing: 0;
}

.contact-modal__input,
.contact-modal__textarea {
  width: 100%;
  background: var(--dark-bg-secondary);
  border: 1px solid var(--dark-border-light);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--dark-text);
  font-family: var(--font);
  font-size: 14px;
  transition: border-color 0.2s;
}

.contact-modal__input:focus,
.contact-modal__textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.contact-modal__input::placeholder,
.contact-modal__textarea::placeholder {
  color: var(--dark-text-secondary);
  opacity: 0.5;
}

.contact-modal__input--error,
.contact-modal__textarea--error {
  border-color: #c0392b;
}

.contact-modal__textarea {
  resize: vertical;
  min-height: 80px;
}

.contact-modal__submit {
  width: 100%;
  background: var(--accent);
  color: var(--dark-bg);
  border: none;
  border-radius: 8px;
  padding: 12px;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s;
  margin-top: 6px;
}

.contact-modal__submit:hover {
  opacity: 0.9;
}

.contact-modal__submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.contact-modal__success {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 280px;
  gap: 16px;
}

.contact-modal__success p {
  color: var(--dark-text);
  font-size: 15px;
  line-height: 1.5;
}

.contact-modal__error {
  color: #c0392b;
  font-size: 12px;
  margin-top: 8px;
  text-align: center;
}

/* ===== Industries ===== */
.industries {
  background: var(--light-bg);
  padding: 64px 0;
}

.industries__grid {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.industries__pill {
  background: var(--accent-subtle);
  border: 1px solid var(--light-border);
  border-radius: 20px;
  padding: 8px 18px;
  font-size: 12px;
  color: var(--light-text-secondary);
  transition: border-color 0.2s;
}

.industries__pill:hover {
  border-color: var(--accent-dark);
}

/* ===== Process ===== */
.process__timeline {
  position: relative;
  padding-left: 44px;
  max-width: 500px;
  margin: 0 auto;
  text-align: left;
}

.process__line {
  position: absolute;
  left: 18px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-light), var(--accent));
  border-radius: 1px;
}

.process__step {
  position: relative;
  margin-bottom: 32px;
}

.process__step:last-child {
  margin-bottom: 0;
}

.process__node {
  position: absolute;
  left: -34px;
  top: 2px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--light-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 800;
  border: 2px solid var(--accent-light);
  color: var(--accent-light);
}

.process__name {
  color: var(--light-text);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.process__desc {
  color: var(--light-text-secondary);
  font-size: 13px;
  line-height: 1.5;
}

/* ===== CTA ===== */
.cta {
  background: var(--dark-bg);
  padding: 80px 0 48px;
  text-align: center;
}

.cta__title {
  color: var(--dark-text);
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.cta__subtitle {
  color: var(--dark-text-secondary);
  font-size: 14px;
  max-width: 360px;
  margin: 0 auto 28px;
  line-height: 1.6;
}

.cta__fallback {
  color: var(--dark-text-secondary);
  font-size: 12px;
  margin-top: 14px;
}

.cta__fallback a {
  color: var(--accent);
  transition: opacity 0.2s;
}

.cta__fallback a:hover {
  opacity: 0.8;
}

/* ===== Footer ===== */
.footer {
  background: var(--dark-bg);
  padding: 24px 0;
  border-top: 1px solid var(--dark-border);
  text-align: center;
}

.footer__copy {
  color: var(--dark-text-secondary);
  font-size: 12px;
}

/* ===== Fade-in Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* ===== Mobile Styles (below 768px) ===== */
@media (max-width: 767px) {
  /* Nav */
  .nav__hamburger {
    display: flex;
  }

  .nav__links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(15, 15, 15, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 16px var(--container-padding) 24px;
    gap: 16px;
    border-bottom: 1px solid var(--dark-border);
  }

  .nav__links.open {
    display: flex;
  }

  .nav__cta-btn {
    text-align: center;
  }

  .nav__right {
    gap: 10px;
  }

  /* Hamburger active state */
  .nav__hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav__hamburger.active span:nth-child(2) {
    opacity: 0;
  }

  .nav__hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  /* Hero */
  .hero {
    padding: 120px 0 60px;
  }

  .hero__title {
    font-size: 32px;
  }

  .hero__subtitle {
    font-size: 14px;
  }

  /* Services */
  .services__grid {
    grid-template-columns: 1fr;
    gap: 16px;
    max-width: 320px;
  }

  /* Section typography */
  .section-title {
    font-size: 28px;
  }

  .cta__title {
    font-size: 28px;
  }

  /* Process */
  .process__timeline {
    padding-left: 36px;
  }

  .process__node {
    left: -28px;
    width: 24px;
    height: 24px;
    font-size: 10px;
  }

  .process__line {
    left: 14px;
  }

  /* Metrics */
  .metrics__inner {
    gap: 24px;
  }

  .metrics__num {
    font-size: 22px;
  }

  /* Experience */
  .experience__grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  /* Industries */
  .industries__grid {
    gap: 8px;
  }

  .industries__pill {
    font-size: 11px;
    padding: 6px 14px;
  }

  /* Contact Modal */
  .contact-modal__dialog {
    flex-direction: column;
    max-height: 90vh;
    overflow-y: auto;
    width: 95vw;
  }

  .contact-modal__info {
    width: 100%;
    padding: 24px 24px 20px;
  }

  .contact-modal__form-panel {
    width: 100%;
    padding: 24px;
  }

  .contact-modal__title {
    font-size: 20px;
  }
}