/* =========================================================
   KIRALYTE TECHNOLOGY SOLUTIONS
   DESIGN SYSTEM
   ========================================================= */


/* =========================================================
   1. RESET
   ========================================================= */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  overflow-x: hidden;

  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  border: 0;
  background: none;
  cursor: pointer;
}

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

ul,
ol {
  list-style: none;
}


/* =========================================================
   2. DESIGN TOKENS
   ========================================================= */

:root {

  /* COLORS */

  --color-primary: #F97316;
  --color-primary-hover: #EA580C;
  --color-primary-soft: #FFF1E7;

  --color-bg: #FCFCFB;
  --color-bg-alt: #F5F5F2;
  --color-bg-dark: #111111;

  --color-text: #171717;
  --color-text-secondary: #404040;
  --color-text-muted: #737373;
  --color-text-light: #A3A3A3;

  --color-white: #FFFFFF;

  --color-border: #E5E5E5;
  --color-border-dark: #D4D4D4;

  /* TYPOGRAPHY */

  --font-primary: "Inter", sans-serif;

  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.5rem;
  --font-size-xl: 2rem;
  --font-size-2xl: 2.75rem;
  --font-size-3xl: 4rem;
  --font-size-4xl: 5rem;

  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-tight: 1.05;
  --line-height-heading: 1.15;
  --line-height-base: 1.6;
  --line-height-relaxed: 1.8;

  /* SPACING */

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* LAYOUT */

  --max-width: 1200px;
  --content-width: 720px;

  /* RADIUS */

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 999px;

  /* SHADOWS */

  --shadow-sm:
    0 2px 8px rgba(0, 0, 0, 0.04);

  --shadow-md:
    0 8px 24px rgba(0, 0, 0, 0.07);

  --shadow-lg:
    0 20px 50px rgba(0, 0, 0, 0.10);

  /* TRANSITIONS */

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Z-INDEX */

  --z-header: 100;
  --z-overlay: 200;
}


/* =========================================================
   3. BASE
   ========================================================= */

body {
  font-family: var(--font-primary);

  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);

  line-height: var(--line-height-base);

  color: var(--color-text);
  background: var(--color-bg);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--color-text);

  font-weight: var(--font-weight-bold);

  letter-spacing: -0.035em;
}

h1 {
  font-size: clamp(2.75rem, 7vw, var(--font-size-4xl));
  line-height: var(--line-height-tight);
}

h2 {
  font-size: clamp(2rem, 4vw, var(--font-size-2xl));
  line-height: var(--line-height-heading);
}

h3 {
  font-size: clamp(1.25rem, 2vw, var(--font-size-lg));
  line-height: var(--line-height-heading);
}

p {
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
}


/* =========================================================
   4. GLOBAL LAYOUT
   ========================================================= */

.container {
  width: 100%;
  max-width: var(--max-width);

  margin: 0 auto;

  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

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


/* =========================================================
   5. SECTION HEADER
   ========================================================= */

.section-header {
  width: 100%;
  max-width: var(--content-width);

  margin: 0 auto var(--space-16);

  text-align: center;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;

  margin-bottom: var(--space-4);

  color: var(--color-primary);

  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);

  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-header h2 {
  margin-bottom: var(--space-5);
}

.section-header h2 span {
  color: var(--color-primary);
}

.section-header p {
  max-width: 680px;

  margin: 0 auto;

  font-size: var(--font-size-md);
}


/* =========================================================
   6. HEADER / NAVIGATION
   ========================================================= */

.header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);

  width: 100%;

  background: rgba(252, 252, 251, 0.90);

  border-bottom: 1px solid rgba(229, 229, 229, 0.8);

  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.nav {
  min-height: 76px;

  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  line-height: 0;
}

.nav__logo img {
  display: block;
  width: auto;
  height: 42px;
  max-width: 180px;
  object-fit: contain;
}

.nav__logo span,
.footer__logo span {
  color: var(--color-primary);
}

.nav__menu {
  display: flex;
  align-items: center;

  gap: var(--space-8);
}

.nav__links {
  display: flex;
  align-items: center;

  gap: var(--space-6);
}

.nav__links a {
  position: relative;

  color: var(--color-text-secondary);

  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);

  transition: color var(--transition-fast);
}

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

.nav__links a::after {
  content: "";

  position: absolute;
  left: 0;
  bottom: -7px;

  width: 0;
  height: 2px;

  background: var(--color-primary);

  transition: width var(--transition-base);
}

.nav__links a:hover::after {
  width: 100%;
}

.nav__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  min-height: 42px;

  padding: 0.65rem 1.1rem;

  background: var(--color-text);
  color: var(--color-white);

  border-radius: var(--radius-full);

  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);

  transition:
    background var(--transition-fast),
    transform var(--transition-fast);
}

.nav__cta:hover {
  background: var(--color-primary);
  color: var(--color-white);

  transform: translateY(-1px);
}

.nav__contact-rotator {
  position: relative;

  width: 185px;
  height: 20px;

  overflow: hidden;
}

.nav__contact-item {
  position: absolute;

  top: 0;
  left: 0;

  width: 100%;

  white-space: nowrap;

  color: var(--color-text-muted);

  font-size: 0.7rem;
  font-weight: var(--font-weight-medium);

  opacity: 0;

  transform: translateY(10px);

  animation: rotateContact 9s infinite;
}

.nav__contact-item:hover {
  color: var(--color-primary);
}

.nav__contact-item:nth-child(1) {
  animation-delay: 0s;
}

.nav__contact-item:nth-child(2) {
  animation-delay: 3s;
}

.nav__contact-item:nth-child(3) {
  animation-delay: 6s;
}

@keyframes rotateContact {

  0% {
    opacity: 0;
    transform: translateY(10px);
  }

  5% {
    opacity: 1;
    transform: translateY(0);
  }

  28% {
    opacity: 1;
    transform: translateY(0);
  }

  33% {
    opacity: 0;
    transform: translateY(-10px);
  }

  100% {
    opacity: 0;
    transform: translateY(-10px);
  }
}


/* =========================================================
   7. MOBILE MENU
   ========================================================= */

.nav__toggle {
  display: none;

  width: 42px;
  height: 42px;

  align-items: center;
  justify-content: center;

  flex-direction: column;

  gap: 5px;

  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.nav__toggle span {
  width: 18px;
  height: 2px;

  background: var(--color-text);

  transition: transform var(--transition-base);
}


/* =========================================================
   8. HERO
   ========================================================= */

.hero {
  position: relative;

  min-height: calc(100vh - 76px);

  display: flex;
  align-items: center;

  overflow: hidden;

  padding: var(--space-24) 0;
}

.hero__background {
  position: absolute;

  top: -250px;
  right: -200px;

  width: 600px;
  height: 600px;

  border-radius: 50%;

  background:
    radial-gradient(
      circle,
      rgba(249, 115, 22, 0.10),
      rgba(249, 115, 22, 0) 70%
    );

  pointer-events: none;
}

.hero__container {
  position: relative;
  z-index: 1;

  display: grid;

  grid-template-columns: 1.05fr 0.95fr;

  align-items: center;

  gap: var(--space-16);
}

.hero__content {
  max-width: 700px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;

  gap: var(--space-2);

  margin-bottom: var(--space-6);

  padding: 0.45rem 0.75rem;

  background: var(--color-primary-soft);

  border: 1px solid rgba(249, 115, 22, 0.15);

  border-radius: var(--radius-full);

  color: var(--color-primary-hover);

  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);

  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero__eyebrow-dot {
  width: 7px;
  height: 7px;

  border-radius: 50%;

  background: var(--color-primary);
}

.hero__title {
  max-width: 800px;

  margin-bottom: var(--space-6);

  letter-spacing: -0.055em;
}

.hero__title span {
  display: block;

  color: var(--color-primary);
}

.hero__subtitle {
  max-width: 680px;

  margin-bottom: var(--space-8);

  font-size: clamp(1rem, 2vw, 1.15rem);

  line-height: 1.8;
}

.hero__actions {
  display: flex;
  align-items: center;

  gap: var(--space-4);
}

.hero__visual {
  position: relative;
}

.hero__visual img {
  width: 100%;

  aspect-ratio: 4 / 3;

  object-fit: cover;

  border-radius: var(--radius-xl);

  box-shadow: var(--shadow-lg);
}

.hero__visual-badge {
  position: absolute;

  left: -20px;
  bottom: -20px;

  display: flex;
  align-items: center;

  gap: var(--space-2);

  padding: 0.75rem 1rem;

  background: var(--color-white);

  border: 1px solid var(--color-border);

  border-radius: var(--radius-full);

  box-shadow: var(--shadow-md);

  color: var(--color-text);

  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
}

.hero__visual-badge-dot {
  width: 8px;
  height: 8px;

  border-radius: 50%;

  background: #22C55E;
}


/* =========================================================
   9. BUTTONS
   ========================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  gap: 0.6rem;

  min-height: 50px;

  padding: 0.8rem 1.25rem;

  border-radius: var(--radius-full);

  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);

  transition:
    transform var(--transition-fast),
    background var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.btn span {
  font-size: 1rem;
}

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

  border: 1px solid var(--color-primary);

  box-shadow:
    0 8px 20px rgba(249, 115, 22, 0.18);
}

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

  transform: translateY(-2px);

  box-shadow:
    0 12px 28px rgba(249, 115, 22, 0.25);
}

.btn--text {
  color: var(--color-text);

  border: 1px solid transparent;
}

.btn--text:hover {
  color: var(--color-primary);

  transform: translateX(3px);
}


/* =========================================================
   10. ABOUT
   ========================================================= */

.about {
  background: var(--color-bg-alt);
}

.about__content {
  display: grid;

  grid-template-columns: 1fr 1fr;

  align-items: center;

  gap: var(--space-16);
}

.about__text {
  max-width: 600px;
}

.about__text > p {
  margin-bottom: var(--space-5);

  font-size: var(--font-size-md);
}

.about__highlights {
  margin-top: var(--space-8);

  display: flex;
  flex-direction: column;

  gap: var(--space-6);
}

.about__highlight {
  display: grid;

  grid-template-columns: 42px 1fr;

  gap: var(--space-4);

  padding-bottom: var(--space-6);

  border-bottom: 1px solid var(--color-border);
}

.about__highlight strong {
  color: var(--color-primary);

  font-size: var(--font-size-sm);
}

.about__highlight h3 {
  margin-bottom: var(--space-2);

  font-size: var(--font-size-base);
  letter-spacing: -0.02em;
}

.about__highlight p {
  margin: 0;

  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.about__image-wrapper {
  position: relative;
}

.about__image {
  width: 100%;

  aspect-ratio: 4 / 3;

  object-fit: cover;

  border-radius: var(--radius-xl);

  box-shadow: var(--shadow-lg);
}

.about__image-card {
  position: absolute;

  right: -20px;
  bottom: -20px;

  display: flex;
  align-items: center;

  gap: var(--space-4);

  padding: 1rem 1.25rem;

  background: var(--color-text);

  border-radius: var(--radius-lg);

  box-shadow: var(--shadow-md);
}

.about__image-card-number {
  color: var(--color-primary);

  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
}

.about__image-card-text {
  color: var(--color-white);

  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);

  line-height: 1.4;
}


/* =========================================================
   11. SERVICES
   ========================================================= */

.services {
  background: var(--color-bg);
}

.services-grid {
  display: grid;

  grid-template-columns: repeat(3, 1fr);

  gap: var(--space-4);
}

.service-card {
  min-height: 320px;

  display: flex;
  flex-direction: column;

  padding: var(--space-8);

  background: var(--color-white);

  border: 1px solid var(--color-border);

  border-radius: var(--radius-lg);

  transition:
    transform var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.service-card:hover {
  transform: translateY(-5px);

  border-color: var(--color-border-dark);

  box-shadow: var(--shadow-lg);
}

.service-card--featured {
  background: var(--color-text);

  border-color: var(--color-text);
}

.service-card--featured h3 {
  color: var(--color-white);
}

.service-card--featured p {
  color: #A3A3A3;
}

.service-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;

  margin-bottom: var(--space-16);
}

.service-number {
  color: var(--color-primary);

  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);

  letter-spacing: 0.1em;
}

.service-icon {
  width: 38px;
  height: 38px;

  display: flex;
  align-items: center;
  justify-content: center;

  border: 1px solid var(--color-border);

  border-radius: 50%;

  color: var(--color-text-muted);

  transition:
    background var(--transition-fast),
    color var(--transition-fast);
}

.service-card:hover .service-icon {
  background: var(--color-primary);

  border-color: var(--color-primary);

  color: var(--color-white);
}

.service-card--featured .service-icon {
  border-color: #333333;

  color: var(--color-white);
}

.service-card__body {
  margin-top: auto;
}

.service-card h3 {
  margin-bottom: var(--space-4);
}

.service-card p {
  margin-bottom: var(--space-6);

  font-size: var(--font-size-sm);

  line-height: 1.7;
}

.service-card__tags {
  display: flex;
  flex-wrap: wrap;

  gap: var(--space-2);
}

.service-card__tags span {
  padding: 0.35rem 0.65rem;

  background: var(--color-bg-alt);

  border-radius: var(--radius-full);

  color: var(--color-text-muted);

  font-size: 0.7rem;
  font-weight: var(--font-weight-medium);
}

.service-card--featured .service-card__tags span {
  background: #242424;

  color: #A3A3A3;
}


/* =========================================================
   12. PROJECTS
   ========================================================= */

.projects {
  background: var(--color-bg-alt);
}

.projects-grid {
  display: grid;

  grid-template-columns: repeat(3, 1fr);

  gap: var(--space-6);
}

.project-card {
  overflow: hidden;

  background: var(--color-white);

  border: 1px solid var(--color-border);

  border-radius: var(--radius-lg);

  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.project-card:hover {
  transform: translateY(-5px);

  box-shadow: var(--shadow-lg);
}

.project-card__image-wrapper {
  position: relative;

  overflow: hidden;
}

.project-card__image {
  width: 100%;

  aspect-ratio: 16 / 10;

  object-fit: cover;

  transition: transform var(--transition-slow);
}

.project-card:hover .project-card__image {
  transform: scale(1.04);
}

.project-card__category {
  position: absolute;

  top: 14px;
  left: 14px;

  padding: 0.4rem 0.7rem;

  background: rgba(17, 17, 17, 0.85);

  border-radius: var(--radius-full);

  color: var(--color-white);

  font-size: 0.7rem;
  font-weight: var(--font-weight-semibold);

  backdrop-filter: blur(6px);
}

.project-card__body {
  padding: var(--space-8);
}

.project-number {
  display: block;

  margin-bottom: var(--space-3);

  color: var(--color-primary);

  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);

  letter-spacing: 0.08em;
}

.project-card h3 {
  margin-bottom: var(--space-3);
}

.project-card__body p {
  margin-bottom: var(--space-5);

  font-size: var(--font-size-sm);
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;

  gap: var(--space-2);

  margin-bottom: var(--space-6);
}

.project-card__tags span {
  padding: 0.35rem 0.65rem;

  background: var(--color-primary-soft);

  border-radius: var(--radius-full);

  color: var(--color-primary-hover);

  font-size: 0.7rem;
  font-weight: var(--font-weight-semibold);
}

.project-card__link {
  display: inline-flex;
  align-items: center;

  gap: 0.5rem;

  color: var(--color-text);

  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);

  transition:
    color var(--transition-fast),
    transform var(--transition-fast);
}

.project-card__link:hover {
  color: var(--color-primary);

  transform: translateX(3px);
}


/* =========================================================
   13. COURSES
   ========================================================= */

.courses {
  background: var(--color-bg);
}

.courses-grid {
  display: grid;

  grid-template-columns: repeat(3, 1fr);

  gap: var(--space-4);
}

.course-card {
  position: relative;

  min-height: 330px;

  padding: var(--space-8);

  display: flex;
  flex-direction: column;

  background: var(--color-bg-alt);

  border: 1px solid var(--color-border);

  border-radius: var(--radius-lg);

  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.course-card:hover {
  transform: translateY(-5px);

  box-shadow: var(--shadow-md);
}

.course-card__number {
  margin-bottom: auto;

  color: var(--color-primary);

  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
}

.course-card h3 {
  margin-bottom: var(--space-4);
}

.course-card p {
  margin-bottom: var(--space-6);

  font-size: var(--font-size-sm);
}

.course-card__level {
  align-self: flex-start;

  padding: 0.4rem 0.7rem;

  background: var(--color-white);

  border: 1px solid var(--color-border);

  border-radius: var(--radius-full);

  color: var(--color-text-muted);

  font-size: 0.7rem;
  font-weight: var(--font-weight-semibold);
}


/* =========================================================
   14. CONTACT
   ========================================================= */

.contact {
  background: var(--color-bg-dark);
}

.contact__wrapper {
  display: grid;

  grid-template-columns: 0.9fr 1.1fr;

  gap: var(--space-16);

  align-items: start;
}

.contact .section-eyebrow {
  color: var(--color-primary);
}

.contact__intro h2 {
  margin-bottom: var(--space-5);

  color: var(--color-white);

  font-size: clamp(2.5rem, 5vw, 4rem);
}

.contact__intro h2 span {
  color: var(--color-primary);
}

.contact__intro > p {
  max-width: 520px;

  margin-bottom: var(--space-8);

  color: #A3A3A3;
}

.contact__details {
  display: flex;
  flex-direction: column;

  gap: var(--space-5);
}

.contact__details a {
  display: flex;
  flex-direction: column;

  gap: 0.2rem;

  color: var(--color-white);

  font-size: var(--font-size-sm);
}

.contact__details a span {
  color: var(--color-primary);

  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);

  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.contact__form {
  display: flex;
  flex-direction: column;

  gap: var(--space-5);

  padding: var(--space-8);

  background: #181818;

  border: 1px solid #2B2B2B;

  border-radius: var(--radius-xl);
}

.form-group {
  display: flex;
  flex-direction: column;

  gap: var(--space-2);
}

.form-group label {
  color: #D4D4D4;

  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.form-group input,
.form-group textarea {
  width: 100%;

  padding: 0.9rem 1rem;

  background: #111111;

  border: 1px solid #333333;

  border-radius: var(--radius-md);

  color: var(--color-white);

  font-size: var(--font-size-sm);

  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #666666;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;

  border-color: var(--color-primary);

  box-shadow:
    0 0 0 3px rgba(249, 115, 22, 0.12);
}

.form-group textarea {
  min-height: 160px;

  resize: vertical;
}

.btn--submit {
  width: 100%;

  margin-top: var(--space-2);
}


/* =========================================================
   15. FOOTER
   ========================================================= */

.footer {
  background: var(--color-bg-dark);

  border-top: 1px solid #292929;

  padding-top: var(--space-12);
}

.footer__content {
  display: grid;

  grid-template-columns: 1fr auto auto;

  align-items: start;

  gap: var(--space-16);

  padding-bottom: var(--space-10);
}

.footer__logo {
  color: var(--color-white);

  font-size: 1.3rem;
  font-weight: var(--font-weight-bold);

  letter-spacing: -0.05em;
}

.footer__content p {
  margin-top: var(--space-2);

  color: #737373;

  font-size: var(--font-size-sm);
}

.footer__links{
  display: flex;
  flex-direction: column;

  gap: var(--space-3);
}

.footer__links a{
  color: #A3A3A3;

  font-size: var(--font-size-sm);

  transition: color var(--transition-fast);
}

.footer__links a:hover,
.footer__social a:hover {
  color: var(--color-white);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;

  padding-top: var(--space-5);
  padding-bottom: var(--space-5);

  border-top: 1px solid #292929;
}

.footer__bottom p {
  margin: 0;

  color: #666666;

  font-size: 0.75rem;
}


/* =========================================================
   16. STICKY CONTACT
   ========================================================= */

.sticky-contact {
  position: fixed;

  right: 1.25rem;
  bottom: 1.5rem;

  z-index: var(--z-overlay);
}

.sticky-contact__options {
  display: flex;
  flex-direction: column;
  align-items: flex-end;

  gap: 0.6rem;
}

.sticky-contact__option {
  display: flex;
  align-items: center;

  gap: 0.65rem;

  min-width: 125px;

  padding: 0.65rem 0.85rem;

  background: var(--color-white);

  border: 1px solid var(--color-border);

  border-radius: var(--radius-full);

  box-shadow: var(--shadow-md);

  color: var(--color-text);

  font-size: 0.8rem;
  font-weight: var(--font-weight-medium);

  transition:
    transform var(--transition-fast),
    background var(--transition-fast),
    border-color var(--transition-fast);
}

.sticky-contact__option:hover {
  background: var(--color-primary-soft);

  border-color: var(--color-primary);

  color: var(--color-primary-hover);

  transform: translateX(-4px);
}

.sticky-contact__icon {
  width: 30px;
  height: 30px;

  display: flex;
  align-items: center;
  justify-content: center;

  flex-shrink: 0;

  background: var(--color-primary-soft);

  border-radius: 50%;

  font-size: 0.85rem;
}


/* =========================================================
   17. RESPONSIVE
   ========================================================= */

@media (max-width: 1100px) {

  .nav__contact-rotator {
    display: none;
  }

  .hero__container {
    gap: var(--space-10);
  }

  .services-grid,
  .projects-grid,
  .courses-grid {
    grid-template-columns: repeat(2, 1fr);
  }

}


@media (max-width: 900px) {

  section {
    padding: var(--space-20) 0;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: absolute;

    top: calc(100% + 1px);
    left: 0;
    right: 0;

    display: none;

    flex-direction: column;
    align-items: stretch;

    gap: var(--space-5);

    padding: var(--space-6) var(--space-4);

    background: var(--color-bg);

    border-bottom: 1px solid var(--color-border);

    box-shadow: var(--shadow-md);
  }

  .nav__menu.is-open {
    display: flex;
  }

  .nav__links {
    flex-direction: column;
    align-items: flex-start;

    gap: var(--space-4);
  }

  .nav__links a {
    font-size: var(--font-size-base);
  }

  .nav__cta {
    width: 100%;
  }

  .hero {
    min-height: auto;

    padding: var(--space-20) 0;
  }

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

  .hero__content {
    max-width: 800px;

    text-align: center;

    margin: 0 auto;
  }

  .hero__eyebrow {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__visual {
    max-width: 750px;

    margin: 0 auto;
  }

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

  .about__text {
    max-width: 750px;
  }

  .about__image-wrapper {
    max-width: 750px;
  }

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

}


@media (max-width: 700px) {

  :root {
    --space-24: 5rem;
  }

  .container {
    padding-left: 1.1rem;
    padding-right: 1.1rem;
  }

  .section-header {
    margin-bottom: var(--space-10);
  }

  .section-header p {
    font-size: var(--font-size-base);
  }

  .services-grid,
  .projects-grid,
  .courses-grid {
    grid-template-columns: 1fr;
  }

  .service-card,
  .course-card {
    min-height: auto;
  }

  .service-card__top {
    margin-bottom: var(--space-10);
  }

  .hero__title {
    font-size: clamp(2.5rem, 12vw, 4rem);
  }

  .hero__actions {
    flex-direction: column;

    width: 100%;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .hero__visual-badge {
    left: 12px;
    bottom: 12px;
  }

  .about__image-card {
    right: 10px;
    bottom: 10px;
  }

  .contact__form {
    padding: var(--space-5);
  }

  .footer__content {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .footer__social {
    grid-column: 1 / -1;

    flex-direction: row;
  }

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;

    gap: var(--space-2);
  }

}


@media (max-width: 480px) {

  section {
    padding: 4rem 0;
  }

  .nav {
    min-height: 68px;
  }

  .hero {
    padding: 4.5rem 0;
  }

  .hero__eyebrow {
    font-size: 0.65rem;
  }

  .hero__title {
    font-size: clamp(2.25rem, 12vw, 3.25rem);
  }

  .hero__subtitle {
    font-size: 0.95rem;
  }

  .about__highlight {
    grid-template-columns: 32px 1fr;
  }

  .about__image-card {
    padding: 0.75rem;

    gap: 0.65rem;
  }

  .about__image-card-number {
    font-size: 1.2rem;
  }

  .sticky-contact {
    right: 0.75rem;
    bottom: 0.75rem;
  }

  .sticky-contact__option {
    width: 46px;
    height: 46px;

    min-width: 46px;

    padding: 0;

    justify-content: center;

    border-radius: 50%;
  }

  .sticky-contact__label {
    display: none;
  }

  .sticky-contact__icon {
    width: 32px;
    height: 32px;

    background: transparent;
  }

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

  .footer__social {
    grid-column: auto;
  }

}

@media (max-width: 767px) {
  .nav__logo img {
    height: 36px;
    max-width: 150px;
  }
}


/* =========================================================
   18. ACCESSIBILITY
   ========================================================= */

:focus-visible {
  outline: 3px solid rgba(249, 115, 22, 0.35);
  outline-offset: 3px;
}


/* =========================================================
   19. REDUCED MOTION
   ========================================================= */

@media (prefers-reduced-motion: reduce) {

  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

}


/* =========================================================
   FOOTER SOCIAL ICONS
   ========================================================= */

.footer__social {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  margin-top: 1.25rem;
}

.footer__social a {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;

  border: 1px solid var(--color-border);
  border-radius: 50%;

  background: var(--color-bg);
  color: var(--color-text-muted);

  font-size: 1rem;

  transition:
    color 0.25s ease,
    background-color 0.25s ease,
    border-color 0.25s ease,
    transform 0.25s ease,
    box-shadow 0.25s ease;
}

.footer__social a:hover {
  color: var(--color-white);
  background: var(--color-primary);
  border-color: var(--color-primary);

  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.footer__social a:focus-visible {
  outline: 3px solid var(--color-primary-light);
  outline-offset: 3px;
}

.footer__social i {
  line-height: 1;
}