/*
 * Corner Studio - Main Stylesheet
 * ================================
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');
@import url('variables.css');

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--weight-regular);
  line-height: var(--leading-normal);
  color: var(--color-black);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

ul, ol {
  list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--weight-medium);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

.label {
  font-family: var(--font-primary);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-gray-500);
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-24) 0;
}

.section--dark {
  background-color: var(--color-gray-100);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-gray-200);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header__logo svg {
  width: 120px;
  height: auto;
}

.header__logo-text {
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-black);
  transition: width var(--transition-base);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

/* Mobile Menu */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-black);
  margin: 5px 0;
  transition: var(--transition-fast);
}

@media (max-width: 768px) {
  .nav__toggle {
    display: block;
  }

  .nav {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--space-8);
    gap: var(--space-6);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    border-bottom: 1px solid var(--color-gray-200);
  }

  .nav--open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
}

/* Hero / Slider */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}

.slider {
  width: 100%;
}

.slider__container {
  position: relative;
  overflow: hidden;
}

.slider__track {
  display: flex;
  transition: transform var(--transition-slow);
}

.slide {
  min-width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  padding: var(--space-12) 0;
}

@media (max-width: 968px) {
  .slide {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.slide__image {
  position: relative;
  aspect-ratio: 4/3;
  background: var(--color-gray-200);
  overflow: hidden;
}

.slide__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.slide:hover .slide__image img {
  transform: scale(1.05);
}

.slide__content {
  max-width: 500px;
}

.slide__label {
  margin-bottom: var(--space-4);
}

.slide__title {
  margin-bottom: var(--space-4);
}

.slide__description {
  color: var(--color-gray-600);
  margin-bottom: var(--space-6);
}

.slide__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  border-bottom: 1px solid var(--color-black);
  padding-bottom: var(--space-1);
}

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

/* Slider Navigation */
.slider__nav {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.slider__dot {
  width: 12px;
  height: 12px;
  border: 1px solid var(--color-black);
  background: transparent;
  cursor: pointer;
  transition: var(--transition-fast);
}

.slider__dot--active,
.slider__dot:hover {
  background: var(--color-black);
}

.slider__arrows {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 var(--space-4);
  pointer-events: none;
}

.slider__arrow {
  width: 48px;
  height: 48px;
  border: 1px solid var(--color-black);
  background: var(--color-white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  transition: var(--transition-fast);
}

.slider__arrow:hover {
  background: var(--color-black);
  color: var(--color-white);
}

/* Services Grid */
.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

@media (max-width: 968px) {
  .services {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .services {
    grid-template-columns: 1fr;
  }
}

.service-card {
  padding: var(--space-8);
  border: 1px solid var(--color-gray-200);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.service-card:hover {
  border-color: var(--color-gray-400);
  box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-6);
  stroke: var(--color-black);
  stroke-width: 1.5;
  fill: none;
}

.service-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}

.service-card__description {
  color: var(--color-gray-600);
  font-size: var(--text-sm);
  margin-bottom: var(--space-6);
}

.service-card__link {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

/* Section Headers */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-16);
}

.section-header__label {
  margin-bottom: var(--space-4);
}

.section-header__title {
  margin-bottom: var(--space-4);
}

.section-header__subtitle {
  color: var(--color-gray-600);
  font-size: var(--text-lg);
}

/* About Section */
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

@media (max-width: 968px) {
  .about {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.about__image {
  position: relative;
}

.about__image img {
  width: 100%;
}

.about__image::after {
  content: '';
  position: absolute;
  top: var(--space-6);
  left: var(--space-6);
  right: calc(var(--space-6) * -1);
  bottom: calc(var(--space-6) * -1);
  border: 1px solid var(--color-accent);
  z-index: -1;
}

.about__content {
  max-width: 500px;
}

.about__text {
  color: var(--color-gray-600);
  margin-bottom: var(--space-6);
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-gray-200);
}

.stat__number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-medium);
  color: var(--color-accent);
}

.stat__label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-gray-500);
}

/* Contact Section */
.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
}

@media (max-width: 968px) {
  .contact {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.contact__info h3 {
  margin-bottom: var(--space-6);
}

.contact__details {
  margin-bottom: var(--space-8);
}

.contact__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.contact__item-icon {
  width: 20px;
  height: 20px;
  stroke: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact__social {
  display: flex;
  gap: var(--space-4);
}

.contact__social a {
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-gray-300);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.contact__social a:hover {
  background: var(--color-black);
  border-color: var(--color-black);
  color: var(--color-white);
}

/* Form */
.form__group {
  margin-bottom: var(--space-4);
}

.form__label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  margin-bottom: var(--space-2);
}

.form__input,
.form__textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-gray-300);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  transition: border-color var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-black);
}

.form__textarea {
  min-height: 150px;
  resize: vertical;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn--primary {
  background: var(--color-black);
  color: var(--color-white);
}

.btn--primary:hover {
  background: var(--color-gray-700);
}

.btn--outline {
  background: transparent;
  border: 1px solid var(--color-black);
  color: var(--color-black);
}

.btn--outline:hover {
  background: var(--color-black);
  color: var(--color-white);
}

/* Footer */
.footer {
  background: var(--color-gray-800);
  color: var(--color-gray-300);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

@media (max-width: 968px) {
  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .footer__inner {
    grid-template-columns: 1fr;
  }
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  margin-bottom: var(--space-4);
}

.footer__logo svg {
  width: 100px;
  height: auto;
}

.footer__logo svg path,
.footer__logo svg line {
  stroke: var(--color-gray-300);
}

.footer__description {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.footer__title {
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-white);
  margin-bottom: var(--space-6);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-white);
}

.footer__bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-gray-700);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
}

@media (max-width: 640px) {
  .footer__bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
}

/* Page Header */
.page-header {
  padding: calc(80px + var(--space-16)) 0 var(--space-16);
  background: var(--color-gray-100);
  text-align: center;
}

.page-header__title {
  margin-bottom: var(--space-4);
}

.page-header__breadcrumb {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

.page-header__breadcrumb a:hover {
  color: var(--color-black);
}

/* Service Page */
.service-detail {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-16);
}

@media (max-width: 968px) {
  .service-detail {
    grid-template-columns: 1fr;
  }
}

.service-detail__content h3 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
}

.service-detail__content p {
  color: var(--color-gray-600);
  margin-bottom: var(--space-4);
}

.service-detail__content ul {
  margin-bottom: var(--space-6);
}

.service-detail__content li {
  position: relative;
  padding-left: var(--space-6);
  margin-bottom: var(--space-2);
  color: var(--color-gray-600);
}

.service-detail__content li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 1px;
  background: var(--color-accent);
}

.service-sidebar {
  position: sticky;
  top: 100px;
}

.service-sidebar__card {
  padding: var(--space-8);
  background: var(--color-gray-100);
  margin-bottom: var(--space-6);
}

.service-sidebar__title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}