/* ==========================================================================
   Sky INTERIORS — RESPONSIVE STYLESHEET
   Breakpoints: 1440px / 1200px / 992px / 768px / 576px / 375px
   Approach: desktop-first overrides cascading down from style.css
   ========================================================================== */

/* ==========================================================================
   GLOBAL SAFETY NET — prevents horizontal scroll at any size
   ========================================================================== */
html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

img,
svg {
  max-width: 100%;
  height: auto;
}

/* ==========================================================================
   BREAKPOINT 1: 1440px AND BELOW
   Large desktops — tighten container padding slightly, keep 4-col grids
   ========================================================================== */      
@media screen and (max-width: 1440px) {

  :root {
    --space-2xl: 7rem;
  }

  .navbar,
  .services__grid,
  .portfolio__grid,
  .why-us__grid,
  .testimonials__grid,
  .footer__top {
    max-width: 1140px;
  }

  .hero {
    gap: var(--space-lg);
  }
}

/* ==========================================================================
   BREAKPOINT 2: 1200px AND BELOW
   Small desktops / large laptops — services move to 3 columns,
   footer columns narrow slightly
   ========================================================================== */
@media screen and (max-width: 1200px) {

  section {
    padding: var(--space-xl) 5vw;
  }

  /* Services: 4 columns -> 3 columns */
  .services__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Footer: tighten column ratio */
  .footer__top {
    grid-template-columns: 1.2fr 1fr 1fr 1fr;
    gap: var(--space-md);
  }

  .hero__heading {
    font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  }
}

/* ==========================================================================
   BREAKPOINT 3: 992px AND BELOW
   Tablets landscape — navigation becomes hamburger, hero and about
   collapse to single column, portfolio/testimonials move to 2 columns
   ========================================================================== */
@media screen and (max-width: 992px) {

  :root {
    --space-2xl: 5.5rem;
    --space-xl: 3.5rem;
    --header-height: 72px;
  }

  /* ---------- Navigation: switch to hamburger menu ---------- */
  .navbar__toggle {
    display: flex;
    z-index: 600;
  }

  .navbar__menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background-color: var(--color-card);
    box-shadow: var(--shadow-medium);
    padding: var(--space-sm) 6vw;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: max-height var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
  }

  .navbar__menu.is-open {
    max-height: 400px;
    opacity: 1;
    visibility: visible;
  }

  .navbar__item {
    width: 100%;
    border-bottom: 1px solid var(--color-border);
  }

  .navbar__link {
    display: block;
    padding: var(--space-sm) 0;
  }

  .navbar__cta {
    display: none;
  }

  /* Hamburger animates into an "X" when menu is open */
  .navbar__toggle[aria-expanded="true"] .navbar__toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .navbar__toggle[aria-expanded="true"] .navbar__toggle-bar:nth-child(2) {
    opacity: 0;
  }

  .navbar__toggle[aria-expanded="true"] .navbar__toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  /* ---------- Hero: single column ---------- */
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: var(--space-xl);
    text-align: center;
  }

  .hero__content {
    max-width: 100%;
    margin: 0 auto;
  }

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

  .hero__actions {
    justify-content: center;
  }

  .hero__media {
    order: -1;
  }

  /* ---------- Services: 3 columns -> 2 columns ---------- */
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* ---------- Portfolio: 3 columns -> 2 columns ---------- */
  .portfolio__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* ---------- About: single column ---------- */
  .about {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .about__media {
    order: -1;
    max-height: 420px;
  }

  .about__stats {
    grid-template-columns: repeat(4, 1fr);
  }

  /* ---------- Why Choose Us: 3 columns -> 2 columns ---------- */
  .why-us__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* ---------- Testimonials: 3 columns -> 2 columns ---------- */
  .testimonials__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* ---------- Footer: 4 columns -> 2 columns ---------- */
  .footer__top {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg) var(--space-md);
  }

  .footer__brand {
    grid-column: 1 / -1;
  }
}

/* ==========================================================================
   BREAKPOINT 4: 768px AND BELOW
   Tablets portrait / large phones — most grids collapse to single column,
   timeline padding tightens, CTA and stats adapt
   ========================================================================== */
@media screen and (max-width: 768px) {

  :root {
    --space-2xl: 4.5rem;
    --space-xl: 3rem;
    --space-lg: 2.25rem;
  }

  section {
    padding: var(--space-xl) 6vw;
  }

  /* ---------- Section headers ---------- */
  .section-header {
    max-width: 100%;
  }

  /* ---------- Buttons: resize for touch targets ---------- */
  .btn {
    font-size: 0.9rem;
    padding: 0.8rem 1.7rem;
    width: 100%;
  }

  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .btn--large {
    padding: 1rem 2rem;
  }

  .cta .btn--large {
    width: auto;
    padding: 1rem 2.4rem;
  }

  /* ---------- Services: 2 columns -> 1 column ---------- */
  .services__grid {
    grid-template-columns: 1fr;
    max-width: 460px;
    margin-inline: auto;
  }

  /* ---------- Portfolio: 2 columns -> 1 column ---------- */
  .portfolio__grid {
    grid-template-columns: 1fr;
    max-width: 460px;
    margin-inline: auto;
  }

  /* ---------- Why Choose Us: 2 columns -> 1 column ---------- */
  .why-us__grid {
    grid-template-columns: 1fr;
    max-width: 460px;
    margin-inline: auto;
  }

  /* ---------- Testimonials: 2 columns -> 1 column ---------- */
  .testimonials__grid {
    grid-template-columns: 1fr;
    max-width: 460px;
    margin-inline: auto;
  }

  /* ---------- Statistics: 4 columns -> 2 columns ---------- */
  .about__stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .stat-item__number {
    font-size: 1.9rem;
  }

  /* ---------- Timeline: tighten indent, keep vertical rule ---------- */
  .process__timeline {
    padding-left: var(--space-lg);
  }

  .process__step-number {
    left: calc(-1 * var(--space-lg) - 15px);
    width: 36px;
    height: 36px;
    font-size: 0.85rem;
  }

  /* ---------- CTA ---------- */
  .cta {
    margin: 0 5vw var(--space-xl);
    padding: var(--space-xl) var(--space-md);
  }

  /* ---------- Footer: 2 columns -> 1 column, fully stacked ---------- */
  .footer__top {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    text-align: center;
  }

  .footer__brand {
    grid-column: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .footer__links ul,
  .social-icons {
    align-items: center;
  }

  .footer__contact {
    text-align: center;
  }

  /* ---------- Floating buttons: shrink slightly for smaller viewport ---------- */
  .whatsapp-float,
  .back-to-top {
    width: 50px;
    height: 50px;
    bottom: 20px;
  }

  .whatsapp-float {
    left: 20px;
  }

  .back-to-top {
    right: 20px;
  }
}

/* ==========================================================================
   BREAKPOINT 5: 576px AND BELOW
   Mobile phones — refine spacing, project card meta wraps, single-column
   confirmed across all grids, type scale steps down
   ========================================================================== */
@media screen and (max-width: 576px) {

  :root {
    --space-xl: 2.5rem;
    --space-lg: 2rem;
    --space-md: 1.25rem;
  }

  .navbar {
    padding: 0 5vw;
  }

  .navbar__company-name {
    font-size: 1.1rem;
  }

  .navbar__logo {
    width: 36px;
    height: 36px;
  }

  /* ---------- Hero ---------- */
  .hero__heading {
    font-size: clamp(2rem, 8vw, 2.6rem);
  }

  .hero__description {
    font-size: 1rem;
  }

  /* ---------- Project card meta: stack area/completion ---------- */
  .project-card__meta {
    flex-direction: column;
    gap: 0.35rem;
  }

  /* ---------- About stats: full single column on small phones ---------- */
  .about__stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
  }

  .about__block {
    padding-left: var(--space-xs);
  }

  /* ---------- Timeline: reduce left offset further ---------- */
  .process__timeline {
    padding-left: 2.25rem;
  }

  .process__step-number {
    left: -2.25rem;
    width: 32px;
    height: 32px;
    font-size: 0.8rem;
  }

  .process__step {
    padding-bottom: var(--space-lg);
  }

  /* ---------- FAQ ---------- */
  .faq-item__question {
    font-size: 0.95rem;
  }

  /* ---------- CTA ---------- */
  .cta__heading {
    font-size: clamp(1.6rem, 6vw, 2.2rem);
  }

  .cta .btn--large {
    width: 100%;
  }

  /* ---------- Footer ---------- */
  .footer__heading {
    font-size: 0.85rem;
  }
}

/* ==========================================================================
   BREAKPOINT 6: 375px AND BELOW
   Small mobile phones — final tightening pass for smallest screens
   ========================================================================== */
@media screen and (max-width: 375px) {

  :root {
    --space-2xl: 3.5rem;
    --space-xl: 2rem;
    --space-lg: 1.75rem;
    --space-md: 1rem;
  }

  section {
    padding: var(--space-xl) 5vw;
  }

  .navbar__company-name {
    font-size: 1rem;
  }

  .hero__heading {
    font-size: clamp(1.8rem, 9vw, 2.2rem);
  }

  .hero__description {
    font-size: 0.95rem;
  }

  .btn {
    font-size: 0.85rem;
    padding: 0.75rem 1.4rem;
  }

  .section-header__title {
    font-size: clamp(1.6rem, 7vw, 2rem);
  }

  .section-header__subtitle {
    font-size: 0.9rem;
  }

  /* ---------- Statistics: single column for very narrow screens ---------- */
  .about__stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xs) var(--space-sm);
  }

  .stat-item__number {
    font-size: 1.6rem;
  }

  .stat-item__label {
    font-size: 0.78rem;
  }

  /* ---------- Cards: tighten inner padding ---------- */
  .service-card__title,
  .service-card__description {
    margin-left: var(--space-sm);
    margin-right: var(--space-sm);
  }

  .project-card__body,
  .feature-card,
  .testimonial-card {
    padding: var(--space-md) var(--space-sm);
  }

  .faq-item {
    padding: var(--space-xs) var(--space-sm);
  }

  /* ---------- Timeline: minimal indent for smallest screens ---------- */
  .process__timeline {
    padding-left: 2rem;
  }

  .process__step-number {
    left: -2rem;
    width: 28px;
    height: 28px;
    font-size: 0.75rem;
    border-width: 2px;
  }

  .process__step-title {
    font-size: 1.05rem;
  }

  .process__step-text {
    font-size: 0.88rem;
  }

  /* ---------- Floating buttons: final size for small screens ---------- */
  .whatsapp-float,
  .back-to-top {
    width: 46px;
    height: 46px;
    bottom: 16px;
  }

  .whatsapp-float {
    left: 16px;
  }

  .whatsapp-float__icon {
    width: 24px;
    height: 24px;
  }

  .back-to-top {
    right: 16px;
    font-size: 1.1rem;
  }

  /* ---------- CTA ---------- */
  .cta {
    margin: 0 4vw var(--space-xl);
    padding: var(--space-lg) var(--space-sm);
    border-radius: var(--radius-md);
  }
}

/* ==========================================================================
   PRINT STYLES — hide UI chrome not relevant to printed output
   ========================================================================== */
@media print {

  .site-header,
  .whatsapp-float,
  .back-to-top,
  .navbar__toggle {
    display: none !important;
  }

  section {
    padding: 1.5rem 0;
  }

  .hero,
  .about,
  .services__grid,
  .portfolio__grid,
  .why-us__grid,
  .testimonials__grid {
    display: block;
  }
}