/* ===========================================================
   Lucky Advertising — Stylesheet
   Table of contents:
   1. Reset & base
   2. Variables
   3. Utilities & layout
   4. Buttons
   5. Header & navigation
   6. Hero
   7. Services
   8. Why Choose Us
   9. Our Work
   10. Process
   11. CTA
   12. Footer
   13. Page banner
   14. Contact page
   15. Map
   16. Back to top
   17. Responsive
   =========================================================== */

/* ---------- 1. Reset & base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

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

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

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

ul,
ol {
  list-style: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-dark);
  line-height: 1.25;
}

/* ---------- 2. Variables ---------- */
:root {
  --color-primary: #f5821e;
  --color-primary-dark: #dd6f0f;
  --color-dark: #14182b;
  --color-dark-2: #1b2039;
  --color-text: #2b2e3a;
  --color-text-light: #6b7280;
  --color-bg-alt: #f8f8fb;
  --color-border: #e8e9ef;
  --color-white: #ffffff;

  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-pill: 100px;

  --shadow-sm: 0 4px 14px rgba(20, 24, 43, 0.06);
  --shadow-md: 0 12px 30px rgba(20, 24, 43, 0.1);

  --transition: 0.3s ease;
  --container-width: 1200px;
  --header-height: 84px;
}

/* ---------- 3. Utilities & layout ---------- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: 24px;
}

.section {
  padding-block: 96px;
}

.section__head {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: 56px;
}

.section__title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
}

.section__cta {
  display: flex;
  justify-content: center;
  margin-top: 48px;
}

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

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 14px;
}

.eyebrow__dash {
  width: 28px;
  height: 2px;
  background: var(--color-primary);
  display: inline-block;
}

.eyebrow--center {
  justify-content: center;
  width: 100%;
}

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

/* ---------- 4. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  white-space: nowrap;
}

.btn--pill {
  border-radius: var(--radius-pill);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

/* ---------- 5. Header & navigation ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo__img {
  height: 52px;
  width: auto;
}

.logo--footer .logo__img {
  height: 68px;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  position: relative;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-text);
  padding-block: 6px;
  transition: color var(--transition);
}

.nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition);
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-primary);
}

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

.header__cta i {
  font-size: 0.9rem;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-dark);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- 6. Hero ---------- */
.hero {
  padding-block: 64px 96px;
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 56px;
}

.hero__title {
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 20px;
}

.hero__text {
  color: var(--color-text-light);
  max-width: 480px;
  margin-bottom: 32px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 44px;
}

.hero__features {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
}

.hero__features li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero__features i {
  font-size: 1.4rem;
  color: var(--color-primary);
}

.hero__features strong {
  display: block;
  font-size: 0.9rem;
  font-family: var(--font-heading);
  color: var(--color-dark);
}

.hero__features span {
  font-size: 0.78rem;
  color: var(--color-text-light);
}

.hero__media {
  position: relative;
}

.hero__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.hero__badge {
  position: absolute;
  left: -20px;
  bottom: -20px;
  background: var(--color-dark);
  color: var(--color-white);
  border: 4px solid var(--color-primary);
  border-radius: 50%;
  width: 130px;
  height: 130px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 2px;
  box-shadow: var(--shadow-md);
}

.hero__badge span {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.65);
}

.hero__badge strong {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  line-height: 1.3;
}

/* ---------- 7. Services ---------- */
.services {
  background: var(--color-bg-alt);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: left;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.service-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: rgba(245, 130, 30, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.service-card p {
  color: var(--color-text-light);
  font-size: 0.9rem;
}

/* ---------- 8. Why Choose Us ---------- */
.why-us {
  background: var(--color-dark);
  color: var(--color-white);
  padding-block: 80px;
}

.why-us__inner {
  display: grid;
  grid-template-columns: 0.9fr 1.4fr;
  gap: 48px;
  align-items: center;
}

.why-us__title {
  color: var(--color-white);
  font-size: clamp(1.7rem, 3vw, 2.1rem);
  margin-bottom: 16px;
}

.why-us__text {
  color: rgba(255, 255, 255, 0.65);
}

.why-us__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.why-us__icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 1.5px solid rgba(245, 130, 30, 0.5);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 18px;
}

.why-us__grid h3 {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: 8px;
}

.why-us__grid p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.85rem;
}

/* ---------- 9. Our Work ---------- */
.work__filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  background: var(--color-bg-alt);
  color: var(--color-text);
  font-size: 0.88rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
}

.filter-btn:hover {
  background: rgba(245, 130, 30, 0.15);
  color: var(--color-primary-dark);
}

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

.work__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.work__item {
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 3 / 4;
  box-shadow: var(--shadow-sm);
  transition: opacity var(--transition), transform var(--transition);
}

.work__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.work__item:hover img {
  transform: scale(1.06);
}

.work__item.hide {
  display: none;
}

/* ---------- 10. Process ---------- */
.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  text-align: center;
}

.process__steps::before {
  content: '';
  position: absolute;
  top: 34px;
  left: 12.5%;
  right: 12.5%;
  height: 1px;
  background: repeating-linear-gradient(to right, var(--color-border) 0 8px, transparent 8px 16px);
  z-index: 0;
}

.process__steps li {
  position: relative;
  z-index: 1;
}

.process__icon {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--color-dark);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 18px;
  box-shadow: var(--shadow-sm);
}

.process__num {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.85rem;
  margin-bottom: 6px;
}

.process__steps h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.process__steps p {
  color: var(--color-text-light);
  font-size: 0.88rem;
}

/* ---------- 11. CTA ---------- */
.cta {
  background: linear-gradient(120deg, rgba(20, 24, 43, 0.96), rgba(20, 24, 43, 0.88)),
    url('https://images.pexels.com/photos/1509308/pexels-photo-1509308.jpeg?auto=compress&cs=tinysrgb&w=1400') center/cover;
  color: var(--color-white);
  padding-block: 64px;
}

.cta__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.cta__content h2 {
  color: var(--color-white);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin-bottom: 10px;
}

.cta__content p {
  color: rgba(255, 255, 255, 0.7);
  max-width: 460px;
}

.cta__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.cta__phone {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.75);
}

.cta__phone strong {
  color: var(--color-primary);
}

/* ---------- 12. Footer ---------- */
.site-footer {
  background: var(--color-bg-alt);
  padding-top: 72px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--color-border);
}

.footer__brand p {
  color: var(--color-text-light);
  font-size: 0.9rem;
  margin: 18px 0 20px;
  max-width: 280px;
}

.footer__socials {
  display: flex;
  gap: 12px;
}

.footer__socials a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-dark);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.footer__socials a:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-3px);
}

.footer__col h4 {
  font-size: 1rem;
  margin-bottom: 20px;
}

.footer__col ul li {
  margin-bottom: 12px;
}

.footer__col ul a,
.footer__col ul span {
  color: var(--color-text-light);
  font-size: 0.9rem;
  transition: color var(--transition);
}

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

.footer__contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.footer__contact i {
  color: var(--color-primary);
  margin-top: 3px;
}

.footer__bottom {
  padding-block: 22px;
  text-align: center;
}

.footer__bottom p {
  color: var(--color-text-light);
  font-size: 0.85rem;
}

/* ---------- 13. Page banner ---------- */
.page-banner {
  background: var(--color-dark);
  background-image: radial-gradient(circle at 15% 20%, rgba(245, 130, 30, 0.16), transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(245, 130, 30, 0.12), transparent 45%);
  padding-block: 72px;
  text-align: center;
}

.page-banner__inner {
  max-width: 640px;
  margin-inline: auto;
}

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 18px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition);
}

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

.breadcrumb i {
  font-size: 0.7rem;
}

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

.page-banner__title {
  color: var(--color-white);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  margin-bottom: 12px;
}

.page-banner__text {
  color: rgba(255, 255, 255, 0.65);
}

/* ---------- 14. Contact page ---------- */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.contact-info .section__title {
  text-align: left;
  margin-bottom: 14px;
}

.contact-info__quote {
  font-style: italic;
  color: var(--color-text-light);
  border-left: 3px solid var(--color-primary);
  padding-left: 16px;
  margin-bottom: 32px;
}

.contact-info__card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  background: var(--color-white);
}

.contact-info__city {
  font-size: 1.05rem;
  padding-bottom: 16px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}

.contact-info__list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
  color: var(--color-text-light);
}

.contact-info__list li:last-child {
  margin-bottom: 0;
}

.contact-info__list a {
  color: var(--color-text);
  transition: color var(--transition);
}

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

.contact-info__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(245, 130, 30, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
}

.contact-info__follow {
  font-size: 0.95rem;
  margin: 28px 0 14px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.contact-info__socials {
  display: flex;
  gap: 12px;
}

.contact-info__socials a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-dark);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), transform var(--transition);
}

.contact-info__socials a:hover {
  background: var(--color-primary);
  transform: translateY(-3px);
}

.contact-form {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 18px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  font: inherit;
  font-size: 0.92rem;
  color: var(--color-text);
  background: var(--color-bg-alt);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.contact-form textarea {
  resize: vertical;
  min-height: 130px;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(245, 130, 30, 0.12);
  background: var(--color-white);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--color-text-light);
}

.contact-form .btn {
  width: 100%;
  border: none;
}

.form-status {
  margin-top: 14px;
  font-size: 0.88rem;
  font-weight: 500;
  text-align: center;
  min-height: 1.2em;
}

.form-status.success {
  color: #1b9c5c;
}

.form-status.error {
  color: #d64545;
}

/* ---------- 15. Map ---------- */
.map {
  line-height: 0;
  border-top: 1px solid var(--color-border);
}

.map iframe {
  width: 100%;
  display: block;
  filter: grayscale(12%) contrast(1.02);
}

/* ---------- 16. Back to top ---------- */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- 17. Responsive ---------- */
@media (max-width: 1024px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .why-us__inner {
    grid-template-columns: 1fr;
  }

  .why-us__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .work__grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .contact__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 860px) {
  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-140%);
    transition: transform var(--transition);
    z-index: 999;
  }

  .nav.open {
    transform: translateY(0);
  }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 24px 20px;
  }

  .nav__list li {
    border-bottom: 1px solid var(--color-border);
  }

  .nav__link {
    display: block;
    padding: 14px 0;
  }

  .nav-toggle {
    display: flex;
  }

  .header__cta {
    display: none;
  }

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

  .hero__media {
    order: -1;
  }

  .hero__text {
    max-width: none;
  }

  .process__steps {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 40px;
  }

  .process__steps::before {
    display: none;
  }
}

@media (max-width: 640px) {
  .section {
    padding-block: 64px;
  }

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

  .why-us__grid {
    grid-template-columns: 1fr;
  }

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

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

  .contact-info__card,
  .contact-form {
    padding: 24px;
  }

  .cta__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero__badge {
    width: 104px;
    height: 104px;
    left: 50%;
    transform: translateX(-50%);
    bottom: -18px;
  }
}