/* --- Variables & DNA --- */
:root {
  /* Palette: Tech Blue */
  --color-bg: #ffffff;
  --color-text: #0f172a; /* Dark Blue/Slate */
  --color-text-light: #475569; /* Muted Slate */
  --color-accent: #2563eb; /* Electric Blue */
  --color-accent-dark: #1e40af;
  --color-border: #e2e8f0;
  --color-surface: #f8fafc; /* Very light grey/blue */

  /* Typography: Functional Grotesk */
  --font-main: "Manrope", sans-serif;

  /* Shape: Strict */
  --radius: 0px;

  /* Spacing */
  --container-width: 1200px;
  --header-height: 80px;
}

/* --- Reset & Base --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

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

ul {
  list-style: none;
}
a {
  text-decoration: none;
  color: inherit;
  transition: 0.3s ease;
}
img {
  max-width: 100%;
  display: block;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* --- Typography Helpers --- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 14px 28px;
  background-color: var(--color-accent);
  color: #fff;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.9rem;
  position: relative;
  overflow: hidden;
}

/* Micro-interaction: Translate & darken */
.btn:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-2px);
}

/* --- HEADER --- */
.header {
  height: var(--header-height);
  border-bottom: 1px solid var(--color-border);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
}

.header__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text);
}

.header__logo-text {
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 40px;
}

.header__menu {
  display: flex;
  gap: 30px;
}

.header__link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-light);
  position: relative;
}

/* Micro-interaction: Underline slide */
.header__link::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--color-accent);
  transition: width 0.3s ease;
}

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

.header__link:hover::after {
  width: 100%;
}

.header__burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
}

/* --- Mobile Menu --- */
@media (max-width: 992px) {
  .header__burger {
    display: block;
  }

  .header__nav {
    position: fixed;
    top: var(--header-height);
    right: -100%;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--color-bg);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: right 0.4s ease-in-out;
    border-top: 1px solid var(--color-border);
  }

  .header__nav.active {
    right: 0;
  }

  .header__menu {
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
  }

  .header__link {
    font-size: 1.5rem;
  }
}

/* --- FOOTER --- */
.footer {
  background-color: var(--color-surface);
  padding: 80px 0 30px;
  margin-top: auto; /* Push footer to bottom if content is short */
  border-top: 1px solid var(--color-border);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer__logo {
  display: block;
  margin-bottom: 20px;
  font-weight: 800;
  font-size: 1.5rem;
  text-transform: uppercase;
}

.footer__desc {
  color: var(--color-text-light);
  font-size: 0.9rem;
  max-width: 300px;
}

.footer__title {
  font-size: 1rem;
  text-transform: uppercase;
  margin-bottom: 25px;
  letter-spacing: 0.05em;
  color: var(--color-text);
}

.footer__list,
.footer__contacts {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.footer__link,
.footer__contact-item {
  font-size: 0.9rem;
  color: var(--color-text-light);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.footer__link:hover,
.footer__contact-item a:hover {
  color: var(--color-accent);
  padding-left: 3px; /* Micro-interaction: Shift */
}

.footer__icon {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 30px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-light);
}

@media (max-width: 992px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 576px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

/* --- HERO SECTION --- */
.hero {
  padding: 140px 0 100px; /* Top padding accounts for fixed header */
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(to right, #ffffff 70%, var(--color-surface) 70%);
  overflow: hidden;
}

.hero__container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
  position: relative;
}

/* Typography & Content */
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 24px;
  padding: 8px 16px;
  background-color: rgba(37, 99, 235, 0.05);
  border-left: 2px solid var(--color-accent);
}

.hero__badge-icon {
  width: 16px;
  height: 16px;
}

.hero__title {
  font-size: 3.5rem;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 30px;
  color: var(--color-text);
}

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

.hero__desc {
  font-size: 1.1rem;
  color: var(--color-text-light);
  max-width: 500px;
  margin-bottom: 40px;
  border-left: 1px solid var(--color-border);
  padding-left: 20px; /* Layout Strategy: Editorial feel */
}

/* Actions */
.hero__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
}

.hero__note {
  font-size: 0.75rem;
  color: var(--color-text-light);
  opacity: 0.8;
}

/* Visuals & Asymmetry */
.hero__visual {
  position: relative;
  padding-top: 40px; /* Offset visual down */
}

.hero__backdrop {
  position: absolute;
  top: -20px;
  right: -20px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--color-accent);
  z-index: 0;
  opacity: 0.2;
}

.hero__img-wrapper {
  position: relative;
  z-index: 1;
  overflow: hidden;
  /* Strict shape: No border-radius */
  box-shadow: 20px 20px 0px rgba(15, 23, 42, 0.05); /* Solid shadow, no blur */
}

.hero__img {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 0.1s linear;
}

/* Floating overlay element */
.hero__overlay-info {
  position: absolute;
  bottom: 0;
  left: 0;
  background-color: var(--color-text);
  color: #fff;
  padding: 20px 30px;
  display: flex;
  flex-direction: column;
}

.hero__stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
}

.hero__stat-text {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* --- Responsive Hero --- */
@media (max-width: 992px) {
  .hero {
    background: var(--color-bg);
    padding-top: 120px;
  }
  .hero__container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero__visual {
    order: -1; /* Image first on mobile? Or keep standard. Let's keep standard for story flow */
    margin-bottom: 20px;
  }
  .hero__title {
    font-size: 2.5rem;
  }
}

/* --- SECTIONS COMMON --- */
.section {
  padding: 100px 0;
}

.section__header {
  margin-bottom: 60px;
  max-width: 800px;
}

.section__title {
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: var(--color-text);
}

.section__subtitle {
  font-size: 1.1rem;
  color: var(--color-text-light);
  max-width: 600px;
}

/* --- SERVICES (GRID WITH BORDERS) --- */
.services {
  background-color: var(--color-bg);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.service-card {
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 40px;
  transition: background-color 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.service-card:hover {
  background-color: var(--color-surface);
}

.service-card__icon-box {
  width: 50px;
  height: 50px;
  background-color: var(--color-surface);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 25px;
  /* Strict shape */
  border: 1px solid var(--color-border);
}

.service-card__title {
  font-size: 1.25rem;
  margin-bottom: 15px;
}

.service-card__desc {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-bottom: 30px;
  flex-grow: 1; /* Push link to bottom */
}

.service-card__link {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.service-card__link:hover {
  gap: 10px; /* Micro-interaction: slide arrow */
  color: var(--color-accent-dark);
}

/* --- EXPERTISE (ASYMMETRIC SPLIT) --- */
.expertise {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

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

.expertise__label {
  display: block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-text-light);
  margin-bottom: 15px;
}

.expertise__text {
  font-size: 1.1rem;
  color: var(--color-text-light);
  margin-bottom: 30px;
}

.expertise__list {
  margin-bottom: 40px;
}

.expertise__item {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 15px;
  font-weight: 600;
  color: var(--color-text);
}

.expertise__icon {
  color: var(--color-accent);
  width: 20px;
  height: 20px;
}

.btn--outline {
  background-color: transparent;
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
}

.btn--outline:hover {
  background-color: var(--color-accent);
  color: #fff;
  transform: translateY(-2px);
}

/* Visual Side */
.expertise__visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 200px 200px;
  gap: 0; /* Tight grid */
  position: relative;
}

.expertise__stat-box {
  background-color: #fff;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 30px;
  text-align: center;
  transition: transform 0.3s ease;
}

/* Asymmetry: Shift the second box down visually */
.expertise__stat-box:last-of-type {
  transform: translateY(40px);
  margin-left: -1px; /* Overlap border */
}

.expertise__stat-box--accent {
  background-color: var(--color-text);
  color: #fff;
  border-color: var(--color-text);
}

.expertise__stat-box--accent .expertise__big-num,
.expertise__stat-box--accent .expertise__stat-label {
  color: #fff;
}

.expertise__big-num {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 5px;
}

.expertise__stat-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-light);
}

/* --- Responsive --- */
@media (max-width: 992px) {
  .services__grid {
    grid-template-columns: 1fr;
    border-right: 1px solid var(--color-border);
  }

  .expertise__container {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .expertise__visual {
    max-width: 400px;
    margin: 0 auto;
  }
}

/* --- BLOG (Strict List) --- */
.blog__list {
  border-top: 2px solid var(--color-text);
}

.blog__item {
  display: grid;
  grid-template-columns: 150px 1fr 50px;
  gap: 30px;
  padding: 30px 0;
  border-bottom: 1px solid var(--color-border);
  align-items: baseline;
  transition: background-color 0.3s;
}

.blog__item:hover {
  background-color: var(--color-surface);
}

.blog__date {
  font-size: 0.9rem;
  color: var(--color-text-light);
  font-family: monospace; /* Tech feel */
}

.blog__title {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

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

.blog__excerpt {
  color: var(--color-text-light);
  font-size: 1rem;
}

.blog__arrow {
  color: var(--color-accent);
  opacity: 0;
  transform: translateX(-10px);
  transition: all 0.3s;
}

.blog__item:hover .blog__arrow {
  opacity: 1;
  transform: translateX(0);
}

/* --- CONTACT FORM --- */
.contact {
  background-color: var(--color-surface);
}

.contact__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}

.contact__desc {
  margin-bottom: 30px;
  color: var(--color-text-light);
}

.contact__highlight {
  background-color: #fff;
  border: 1px solid var(--color-accent);
  padding: 20px;
  display: flex;
  gap: 15px;
  align-items: center;
  color: var(--color-accent-dark);
  font-size: 0.9rem;
  font-weight: 600;
}

/* Form Styles */
.form {
  background-color: #fff;
  padding: 40px;
  border: 1px solid var(--color-border);
  /* Strict shape: No radius */
}

.form__group {
  margin-bottom: 20px;
}

.form__label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.form__input {
  width: 100%;
  padding: 15px;
  border: 1px solid #cbd5e1;
  border-radius: 0; /* Strict */
  font-family: var(--font-main);
  font-size: 1rem;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.form__input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form__hint {
  display: block;
  margin-top: 5px;
  font-size: 0.75rem;
  color: var(--color-text-light);
}

/* Custom Checkbox */
.custom-checkbox {
  display: flex;
  align-items: center; /* Center vertically */
  position: relative;
  padding-left: 35px;
  cursor: pointer;
  font-size: 0.9rem;
  user-select: none;
  min-height: 24px; /* Ensure height for click area */
}

.custom-checkbox input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.checkmark {
  position: absolute;
  top: 50%; /* Center vertically */
  left: 0;
  transform: translateY(-50%); /* Center vertically */
  height: 24px;
  width: 24px;
  background-color: #eee;
  border: 1px solid #cbd5e1;
  border-radius: 0; /* Strict */
  transition: background-color 0.2s;
}

.custom-checkbox:hover input ~ .checkmark {
  background-color: #e2e8f0;
}

.custom-checkbox input:checked ~ .checkmark {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.checkmark:after {
  content: "";
  position: absolute;
  display: none;
}

.custom-checkbox input:checked ~ .checkmark:after {
  display: block;
}

.custom-checkbox .checkmark:after {
  left: 8px;
  top: 4px;
  width: 6px;
  height: 12px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.label-text a {
  color: var(--color-accent);
  text-decoration: underline;
}

.form__captcha {
  margin: 25px 0;
  padding: 15px;
  background-color: #f9f9f9;
  border: 1px solid #d3d3d3;
  width: fit-content;
  border-radius: 0;
  display: flex;
  align-items: center;
}

.captcha-box {
  margin: 0;
  padding-right: 20px;
  width: 100%;
}

.captcha-logo {
  height: 28px;
  margin-left: 15px;
  opacity: 0.7;
}

.form__btn {
  width: 100%;
  margin-top: 10px;
}

.form__message {
  display: none;
  padding: 15px;
  margin-top: 20px;
  font-size: 0.9rem;
  text-align: center;
}

.form__message--success {
  background-color: #dcfce7;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.form__message--error {
  background-color: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.cookie-modal {
  position: fixed;
  bottom: -100%;
  left: 0;
  width: 100%;
  background-color: #0f172a; /* Dark bg */
  color: #fff;
  padding: 20px;
  z-index: 9999;
  transition: bottom 0.5s ease;
  border-top: 1px solid var(--color-accent);
}

.cookie-modal.show {
  bottom: 0;
}

.cookie-content {
  max-width: var(--container-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 0 20px;
}

.cookie-content a {
  color: var(--color-accent);
  text-decoration: underline;
}

.cookie-btn {
  padding: 8px 24px;
  font-size: 0.8rem;
  background-color: #fff;
  color: #0f172a;
}

.cookie-btn:hover {
  background-color: #e2e8f0;
  color: #0f172a;
}

/* --- LEGAL PAGES TYPOGRAPHY (Generic) --- */
.pages {
  padding: 140px 0 80px;
}

.pages h1 {
  font-size: 2.5rem;
  margin-bottom: 40px;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 20px;
}

.pages h2 {
  font-size: 1.5rem;
  margin-top: 40px;
  margin-bottom: 20px;
  color: var(--color-text);
}

.pages p {
  margin-bottom: 20px;
  color: var(--color-text-light);
}

.pages ul {
  list-style: disc;
  margin-left: 20px;
  margin-bottom: 20px;
  color: var(--color-text-light);
}

.pages li {
  margin-bottom: 10px;
}

.pages a {
  color: var(--color-accent);
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  .blog__item {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .blog__arrow {
    display: none;
  }
  .contact__container {
    grid-template-columns: 1fr;
  }
  .cookie-content {
    flex-direction: column;
    text-align: center;
  }
}