/* ==========================================================================
   BOOKSTREET.IN - Master Responsive Design System
   Engineered for Awwwards-tier visual balance across ALL devices:
   - Ultra-wide & Desktop Monitors (1920px, 1600px, 1440px)
   - Standard & Small Laptops (1366px, 1280px, 1024px)
   - Tablets & Landscape Phablets (900px, 768px)
   - Modern & Small Mobile Phones (600px, 480px, 430px, 390px, 375px, 360px, 320px)
   ========================================================================== */

/* ==========================================================================
   1. Super Ultra-wide & 33% Zoom-Out Workstations (min-width: 4200px)
   ========================================================================== */
@media (min-width: 4200px) {
  :root {
    --container-max: 3000px;
    --nav-height: 124px;
  }

  .container {
    padding-inline: 6.5rem;
  }

  .brand-logo {
    font-size: 3rem;
  }

  .nav-menu {
    gap: 5rem;
  }

  .nav-link {
    font-size: 1.35rem;
  }

  .btn {
    padding: 1.25rem 2.8rem;
    font-size: 1.25rem;
  }

  .hero-section {
    padding-top: 5rem;
    padding-bottom: 8.5rem;
  }

  .hero-grid {
    grid-template-columns: 1.18fr 1fr;
    gap: 8rem;
  }

  .hero-title {
    font-size: 7.2rem;
    line-height: 1.06;
  }

  .hero-subtext {
    font-size: 1.55rem;
    max-width: 65ch;
  }

  .hero-books-showcase {
    min-height: 870px;
  }

  /* Scale entire coordinate frame to preserve exact book overlap and relative composition */
  .hero-books-cluster {
    width: 500px !important;
    max-width: 500px !important;
    height: 440px !important;
    transform: scale(1.95);
    transform-origin: center center;
  }

  .hero-doodles-cluster {
    max-width: 560px;
    transform: scale(1.45);
    margin-top: 4.5rem;
  }

  /* Section 2: Reels */
  .reels-section {
    padding: 9rem 0 10.5rem;
  }

  .reels-grid {
    grid-template-columns: 520px 1fr;
    gap: 7.5rem;
  }

  .reels-heading {
    font-size: 4.4rem;
  }

  .reels-subtext {
    font-size: 1.45rem;
    max-width: 45ch;
  }

  .reels-cards-row {
    gap: 2.8rem;
  }

  /* Section 3: Explore Books */
  .explore-section {
    padding: 10.5rem 0;
  }

  .explore-grid {
    grid-template-columns: 1.35fr 1fr;
    gap: 8rem;
  }

  .books-flatlay-stage {
    min-height: 860px;
  }

  .flatlay-container {
    transform: scale(1.68);
    transform-origin: center center;
  }

  .explore-heading {
    font-size: 5.8rem;
  }

  .explore-description {
    font-size: 1.5rem;
    max-width: 55ch;
  }

  /* Section 4: Polaroid Scrapbook */
  .instagram-scrapbook-section {
    padding: 9.5rem 0 10.5rem;
  }

  .scrapbook-grid {
    grid-template-columns: 520px 1fr;
    gap: 7.5rem;
  }

  .scrapbook-heading {
    font-size: 4.4rem;
  }

  .scrapbook-subtext {
    font-size: 1.45rem;
    max-width: 45ch;
  }

  .polaroid-gallery-grid {
    gap: 2.8rem;
  }

  /* Section 5: Worldwide Delivery */
  .delivery-section {
    padding: 10rem 0;
  }

  .delivery-card-banner {
    padding: 8rem 9.5rem;
    gap: 8.5rem;
  }

  .delivery-heading {
    font-size: 4.6rem;
  }

  .delivery-subtext {
    font-size: 1.5rem;
    max-width: 55ch;
  }

  .globe-image-wrapper {
    max-width: 680px;
  }

  /* Section 6: Instagram Banner */
  .instagram-banner-section {
    padding: 8.5rem 0 8rem;
  }

  .insta-banner-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 8rem;
  }

  .insta-banner-heading {
    font-size: 5.6rem;
  }

  .insta-banner-desc {
    font-size: 1.45rem;
    max-width: 55ch;
  }

  .phone-mockup {
    width: 420px;
    max-height: 860px;
  }

  /* Book Drawer */
  .book-drawer {
    width: min(720px, 85vw);
    padding: 4.5rem 4rem;
  }
}

/* ==========================================================================
   2. 4K Displays & 50% Zoom-Out (3200px - 4199px)
   ========================================================================== */
@media (min-width: 3200px) and (max-width: 4199px) {
  :root {
    --container-max: 2400px;
    --nav-height: 110px;
  }

  .container {
    padding-inline: 5.5rem;
  }

  .brand-logo {
    font-size: 2.6rem;
  }

  .nav-menu {
    gap: 4.2rem;
  }

  .nav-link {
    font-size: 1.18rem;
  }

  .btn {
    padding: 1.05rem 2.4rem;
    font-size: 1.12rem;
  }

  .hero-section {
    padding-top: 4rem;
    padding-bottom: 7rem;
  }

  .hero-grid {
    grid-template-columns: 1.18fr 1fr;
    gap: 7rem;
  }

  .hero-title {
    font-size: 6.4rem;
    line-height: 1.07;
  }

  .hero-subtext {
    font-size: 1.35rem;
    max-width: 65ch;
  }

  .hero-books-showcase {
    min-height: 750px;
  }

  .hero-books-cluster {
    width: 500px !important;
    max-width: 500px !important;
    height: 440px !important;
    transform: scale(1.68);
    transform-origin: center center;
  }

  .hero-doodles-cluster {
    max-width: 540px;
    transform: scale(1.3);
    margin-top: 3.5rem;
  }

  /* Section 2: Reels */
  .reels-section {
    padding: 8rem 0 9rem;
  }

  .reels-grid {
    grid-template-columns: 460px 1fr;
    gap: 6.5rem;
  }

  .reels-heading {
    font-size: 3.8rem;
  }

  .reels-subtext {
    font-size: 1.25rem;
    max-width: 45ch;
  }

  .reels-cards-row {
    gap: 2.2rem;
  }

  /* Section 3: Explore Books */
  .explore-section {
    padding: 9.5rem 0;
  }

  .explore-grid {
    grid-template-columns: 1.35fr 1fr;
    gap: 7rem;
  }

  .books-flatlay-stage {
    min-height: 740px;
  }

  .flatlay-container {
    transform: scale(1.45);
    transform-origin: center center;
  }

  .explore-heading {
    font-size: 5rem;
  }

  .explore-description {
    font-size: 1.32rem;
    max-width: 55ch;
  }

  /* Section 4: Polaroid Scrapbook */
  .instagram-scrapbook-section {
    padding: 8.5rem 0 9.5rem;
  }

  .scrapbook-grid {
    grid-template-columns: 460px 1fr;
    gap: 6.5rem;
  }

  .scrapbook-heading {
    font-size: 3.8rem;
  }

  .scrapbook-subtext {
    font-size: 1.25rem;
    max-width: 45ch;
  }

  .polaroid-gallery-grid {
    gap: 2.4rem;
  }

  /* Section 5: Worldwide Delivery */
  .delivery-section {
    padding: 8.8rem 0;
  }

  .delivery-card-banner {
    padding: 7rem 8.5rem;
    gap: 7.5rem;
  }

  .delivery-heading {
    font-size: 4rem;
  }

  .delivery-subtext {
    font-size: 1.35rem;
    max-width: 55ch;
  }

  .globe-image-wrapper {
    max-width: 580px;
  }

  /* Section 6: Instagram Banner */
  .instagram-banner-section {
    padding: 7.5rem 0 7rem;
  }

  .insta-banner-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 7rem;
  }

  .insta-banner-heading {
    font-size: 4.8rem;
  }

  .insta-banner-desc {
    font-size: 1.3rem;
    max-width: 55ch;
  }

  .phone-mockup {
    width: 370px;
    max-height: 760px;
  }

  /* Book Drawer */
  .book-drawer {
    width: min(650px, 85vw);
    padding: 4rem 3.5rem;
  }
}

/* ==========================================================================
   3. 2K QHD Displays & 75% Zoom-Out (2560px - 3199px)
   ========================================================================== */
@media (min-width: 2560px) and (max-width: 3199px) {
  :root {
    --container-max: 1960px;
    --nav-height: 100px;
  }

  .container {
    padding-inline: 4.5rem;
  }

  .brand-logo {
    font-size: 2.3rem;
  }

  .nav-menu {
    gap: 3.5rem;
  }

  .nav-link {
    font-size: 1.1rem;
  }

  .btn {
    padding: 0.95rem 2.2rem;
    font-size: 1.05rem;
  }

  .hero-section {
    padding-top: 3.5rem;
    padding-bottom: 6.5rem;
  }

  .hero-grid {
    grid-template-columns: 1.18fr 1fr;
    gap: 6rem;
  }

  .hero-title {
    font-size: 5.6rem;
    line-height: 1.08;
  }

  .hero-subtext {
    font-size: 1.25rem;
    max-width: 65ch;
  }

  .hero-books-showcase {
    min-height: 650px;
  }

  .hero-books-cluster {
    width: 500px !important;
    max-width: 500px !important;
    height: 440px !important;
    transform: scale(1.45);
    transform-origin: center center;
  }

  .hero-doodles-cluster {
    max-width: 540px;
    transform: scale(1.15);
    margin-top: 2.8rem;
  }

  /* Section 2: Reels */
  .reels-section {
    padding: 7rem 0 8rem;
  }

  .reels-grid {
    grid-template-columns: 420px 1fr;
    gap: 5.5rem;
  }

  .reels-heading {
    font-size: 3.4rem;
  }

  .reels-subtext {
    font-size: 1.15rem;
    max-width: 45ch;
  }

  .reels-cards-row {
    gap: 2rem;
  }

  /* Section 3: Explore Books */
  .explore-section {
    padding: 8.5rem 0;
  }

  .explore-grid {
    grid-template-columns: 1.35fr 1fr;
    gap: 6rem;
  }

  .books-flatlay-stage {
    min-height: 660px;
  }

  .flatlay-container {
    transform: scale(1.28);
    transform-origin: center center;
  }

  .explore-heading {
    font-size: 4.6rem;
  }

  .explore-description {
    font-size: 1.25rem;
    max-width: 55ch;
  }

  /* Section 4: Polaroid Scrapbook */
  .instagram-scrapbook-section {
    padding: 7.5rem 0 8.5rem;
  }

  .scrapbook-grid {
    grid-template-columns: 420px 1fr;
    gap: 5.5rem;
  }

  .scrapbook-heading {
    font-size: 3.4rem;
  }

  .scrapbook-subtext {
    font-size: 1.15rem;
    max-width: 45ch;
  }

  .polaroid-gallery-grid {
    gap: 2rem;
  }

  /* Section 5: Worldwide Delivery */
  .delivery-section {
    padding: 8rem 0;
  }

  .delivery-card-banner {
    padding: 6rem 7rem;
    gap: 6rem;
  }

  .delivery-heading {
    font-size: 3.6rem;
  }

  .delivery-subtext {
    font-size: 1.25rem;
    max-width: 55ch;
  }

  .globe-image-wrapper {
    max-width: 520px;
  }

  /* Section 6: Instagram Banner */
  .instagram-banner-section {
    padding: 6.5rem 0 6rem;
  }

  .insta-banner-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 6rem;
  }

  .insta-banner-heading {
    font-size: 4.6rem;
  }

  .insta-banner-desc {
    font-size: 1.22rem;
    max-width: 55ch;
  }

  .phone-mockup {
    width: 340px;
    max-height: 700px;
  }

  /* Book Drawer */
  .book-drawer {
    width: min(600px, 85vw);
    padding: 3.5rem 3rem;
  }
}

/* ==========================================================================
   4. Full HD Monitors & 90% Zoom-Out (1920px - 2559px)
   ========================================================================== */
@media (min-width: 1920px) and (max-width: 2559px) {
  :root {
    --container-max: 1720px;
    --nav-height: 92px;
  }

  .container {
    padding-inline: 3.5rem;
  }

  .brand-logo {
    font-size: 2.1rem;
  }

  .nav-menu {
    gap: 3rem;
  }

  .nav-link {
    font-size: 1.02rem;
  }

  .btn {
    padding: 0.85rem 1.85rem;
    font-size: 0.95rem;
  }

  .hero-section {
    padding-top: 2.5rem;
    padding-bottom: 5rem;
  }

  .hero-grid {
    grid-template-columns: 1.18fr 1fr;
    gap: 4.8rem;
  }

  .hero-title {
    font-size: clamp(3.8rem, 4.4vw, 5.2rem);
    line-height: 1.09;
  }

  .hero-subtext {
    font-size: 1.15rem;
    max-width: 60ch;
  }

  .hero-books-showcase {
    min-height: 580px;
  }

  .hero-books-cluster {
    width: 500px !important;
    max-width: 500px !important;
    height: 440px !important;
    transform: scale(1.30);
    transform-origin: center center;
  }

  .hero-doodles-cluster {
    max-width: 500px;
    transform: scale(1.1);
    margin-top: 2.2rem;
  }

  /* Section 2: Reels */
  .reels-section {
    padding: 6rem 0 7rem;
  }

  .reels-grid {
    grid-template-columns: 380px 1fr;
    gap: 4.5rem;
  }

  .reels-heading {
    font-size: 3.1rem;
  }

  .reels-subtext {
    font-size: 1.08rem;
    max-width: 42ch;
  }

  .reels-cards-row {
    gap: 1.6rem;
  }

  /* Section 3: Explore Books */
  .explore-section {
    padding: 7.5rem 0;
  }

  .explore-grid {
    grid-template-columns: 1.3fr 1fr;
    gap: 5rem;
  }

  .books-flatlay-stage {
    min-height: 600px;
  }

  .flatlay-container {
    transform: scale(1.18);
    transform-origin: center center;
  }

  .explore-heading {
    font-size: 4.2rem;
  }

  .explore-description {
    font-size: 1.15rem;
    max-width: 50ch;
  }

  /* Section 4: Polaroid Scrapbook */
  .instagram-scrapbook-section {
    padding: 6.5rem 0 7.5rem;
  }

  .scrapbook-grid {
    grid-template-columns: 380px 1fr;
    gap: 4.5rem;
  }

  .scrapbook-heading {
    font-size: 3.1rem;
  }

  .scrapbook-subtext {
    font-size: 1.08rem;
    max-width: 42ch;
  }

  .polaroid-gallery-grid {
    gap: 1.8rem;
  }

  /* Section 5: Worldwide Delivery */
  .delivery-section {
    padding: 7rem 0;
  }

  .delivery-card-banner {
    padding: 5rem 6rem;
    gap: 5rem;
  }

  .delivery-heading {
    font-size: 3.2rem;
  }

  .delivery-subtext {
    font-size: 1.15rem;
    max-width: 50ch;
  }

  .globe-image-wrapper {
    max-width: 460px;
  }

  /* Section 6: Instagram Banner */
  .instagram-banner-section {
    padding: 5.5rem 0 5rem;
  }

  .insta-banner-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 5rem;
  }

  .insta-banner-heading {
    font-size: 4.2rem;
  }

  .insta-banner-desc {
    font-size: 1.15rem;
    max-width: 50ch;
  }

  .phone-mockup {
    width: 310px;
    max-height: 640px;
  }

  /* Book Drawer */
  .book-drawer {
    width: min(560px, 85vw);
    padding: 3.2rem 2.6rem;
  }
}

/* ==========================================================================
   5. Medium-Large Displays & Laptops (1600px - 1919px)
   ========================================================================== */
@media (min-width: 1600px) and (max-width: 1919px) {
  :root {
    --container-max: 1520px;
    --nav-height: 88px;
  }

  .container {
    padding-inline: 3rem;
  }

  .brand-logo {
    font-size: 2rem;
  }

  .nav-menu {
    gap: 2.8rem;
  }

  .hero-section {
    padding-top: 2rem;
    padding-bottom: 4.5rem;
  }

  .hero-grid {
    gap: 4rem;
  }

  .hero-title {
    font-size: clamp(3.4rem, 4.2vw, 4.8rem);
  }

  .hero-books-showcase {
    min-height: 530px;
  }

  .hero-books-cluster {
    width: 500px !important;
    max-width: 500px !important;
    height: 440px !important;
    transform: scale(1.18);
    transform-origin: center center;
  }

  .hero-doodles-cluster {
    max-width: 480px;
    transform: scale(1.05);
    margin-top: 2rem;
  }

  /* Section 2: Reels */
  .reels-section {
    padding: 5.5rem 0 6.5rem;
  }

  .reels-grid {
    grid-template-columns: 340px 1fr;
    gap: 4rem;
  }

  .reels-heading {
    font-size: 2.85rem;
  }

  .reels-cards-row {
    gap: 1.4rem;
  }

  /* Section 3: Explore Books */
  .explore-section {
    padding: 6.8rem 0;
  }

  .explore-grid {
    grid-template-columns: 1.3fr 1fr;
    gap: 4.5rem;
  }

  .books-flatlay-stage {
    min-height: 560px;
  }

  .flatlay-container {
    transform: scale(1.08);
    transform-origin: center center;
  }

  .explore-heading {
    font-size: 3.9rem;
  }

  /* Section 4: Polaroid Scrapbook */
  .scrapbook-grid {
    grid-template-columns: 340px 1fr;
    gap: 4rem;
  }

  .scrapbook-heading {
    font-size: 2.85rem;
  }

  .polaroid-gallery-grid {
    gap: 1.6rem;
  }

  /* Section 5: Worldwide Delivery */
  .delivery-card-banner {
    padding: 4.5rem 5rem;
    gap: 4.5rem;
  }

  .delivery-heading {
    font-size: 2.9rem;
  }

  .globe-image-wrapper {
    max-width: 420px;
  }

  /* Section 6: Instagram Banner */
  .insta-banner-grid {
    gap: 4.5rem;
  }

  .insta-banner-heading {
    font-size: 3.8rem;
  }

  .phone-mockup {
    width: 285px;
    max-height: 590px;
  }

  .book-drawer {
    width: min(520px, 85vw);
  }
}

/* ==========================================================================
   6. Standard Desktops (1440px - 1599px)
   ========================================================================== */
@media (min-width: 1440px) and (max-width: 1599px) {
  :root {
    --container-max: 1380px;
    --nav-height: 84px;
  }

  .container {
    padding-left: 2.5rem;
    padding-right: 2.5rem;
  }

  .hero-title {
    font-size: clamp(3.2rem, 4.4vw, 4.6rem);
  }

  .hero-books-showcase {
    min-height: 490px;
  }

  .hero-books-cluster {
    width: 500px !important;
    max-width: 500px !important;
    height: 440px !important;
    transform: scale(1.08);
    transform-origin: center center;
  }

  .reels-grid {
    grid-template-columns: 320px 1fr;
    gap: 4rem;
  }

  .delivery-card-banner {
    padding: 4rem 4.5rem;
  }

  .phone-mockup {
    width: 265px;
    max-height: 560px;
  }
}

/* ==========================================================================
   5. Standard Laptops & Intermediate Displays (1025px - 1439px)
   ========================================================================== */
@media (max-width: 1439px) and (min-width: 1025px) {
  .hero-grid {
    grid-template-columns: 1.15fr 1fr;
    gap: clamp(2rem, 3vw, 3rem);
  }

  .reels-grid {
    grid-template-columns: minmax(260px, 290px) 1fr;
    gap: clamp(2rem, 2.5vw, 3rem);
  }

  .reels-cards-row {
    gap: clamp(0.75rem, 1.2vw, 1.25rem);
  }

  .reel-card {
    min-width: 0;
  }

  .flatlay-container {
    transform: scale(0.92);
    transform-origin: center center;
  }

  .delivery-card-banner {
    padding: clamp(2.8rem, 3.5vw, 3.5rem) clamp(2.5rem, 3vw, 3.5rem);
    gap: clamp(2rem, 2.8vw, 3rem);
  }

  .insta-banner-grid {
    gap: clamp(2.5rem, 3vw, 3.5rem);
  }
}

/* ==========================================================================
   6. Tablets in Landscape & Small Laptops (769px - 1024px)
   ========================================================================== */
@media (max-width: 1024px) and (min-width: 769px) {
  :root {
    --nav-height: 72px;
  }

  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }

  .navbar {
    height: var(--nav-height);
  }

  .brand-logo {
    font-size: 1.7rem;
  }

  .nav-menu {
    gap: clamp(1rem, 1.8vw, 1.6rem);
  }

  .nav-link {
    font-size: clamp(0.85rem, 1.1vw, 0.92rem);
  }

  .nav-insta-btn {
    padding: 0.65rem 1.15rem;
    font-size: 0.85rem;
  }

  .hero-section {
    padding-top: 2rem;
    padding-bottom: 3.5rem;
  }

  .hero-grid {
    grid-template-columns: 1.08fr 1fr;
    gap: 2rem;
  }

  .hero-title {
    font-size: clamp(2.5rem, 4.2vw, 3.2rem);
  }

  .hero-books-cluster {
    max-width: 440px;
    height: 390px;
    transform: scale(0.92);
    transform-origin: center center;
  }

  .hero-doodles-cluster {
    margin-top: 1.5rem;
    gap: 1.5rem;
    transform: scale(0.92);
  }

  /* Section 2: Trending on Instagram (Reels) - Horizontal Editorial Scroll on Tablets */
  .reels-grid {
    grid-template-columns: 1fr;
    gap: 2.2rem;
  }

  .reels-intro {
    max-width: 620px;
  }

  .reels-doodle-arrow {
    display: none;
  }

  .reels-cards-row {
    display: flex;
    gap: 1.25rem;
    overflow-x: auto;
    padding-bottom: 1.25rem;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .reels-cards-row::-webkit-scrollbar {
    display: none;
  }

  .reel-card {
    flex: 0 0 clamp(220px, 28vw, 250px);
    min-width: 220px;
    scroll-snap-align: start;
  }

  /* Section 3: Explore Books */
  .explore-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .explore-content {
    order: 1;
    max-width: 620px;
    margin: 0 auto;
    text-align: center;
    position: relative;
  }

  .explore-illustration-botanical {
    right: 0;
    opacity: 0.2;
  }

  .explore-illustration-books {
    right: 0;
    opacity: 0.2;
  }

  .explore-content .btn {
    margin: 0 auto;
  }

  .books-flatlay-stage {
    order: 2;
    min-height: 440px;
    overflow: hidden;
    width: 100%;
  }

  .flatlay-container {
    transform: scale(0.88);
    transform-origin: center center;
    margin: 0 auto;
  }

  /* Section 4: Polaroid Scrapbook */
  .scrapbook-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .scrapbook-intro {
    max-width: 620px;
    margin: 0 auto;
    text-align: center;
  }

  .scrapbook-intro .scrapbook-heading {
    justify-content: center;
  }

  .scrapbook-intro .btn {
    margin: 0 auto;
  }

  .polaroid-gallery-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }

  /* Section 5: Worldwide Delivery */
  .delivery-card-banner {
    grid-template-columns: 1fr;
    padding: 3.2rem 2.5rem;
    gap: 2.5rem;
    text-align: center;
  }

  .delivery-regions-row {
    justify-content: center;
  }

  .delivery-tag-badge {
    justify-content: center;
  }

  .delivery-subtext {
    margin-left: auto;
    margin-right: auto;
  }

  .shipping-calc-box {
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }

  /* Section 6: Follow Us Banner */
  .insta-banner-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }

  .insta-banner-left {
    padding-top: 1.5rem;
  }

  .insta-banner-content {
    padding-left: 0;
    max-width: 540px;
    margin: 0 auto;
  }

  .insta-banner-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .insta-banner-doodle {
    top: -50px;
    left: 50%;
    transform: translateX(-50%);
    align-items: center;
  }

  .insta-banner-doodle span {
    transform: rotate(-2deg);
    text-align: center;
  }

  .insta-banner-doodle svg {
    transform: rotate(90deg) scale(0.8);
    margin-top: 4px;
  }

  .phone-mockup {
    width: clamp(210px, 26vw, 245px);
    max-height: clamp(440px, 46vh, 500px);
    transform: none !important;
    pointer-events: none !important;
    user-select: none !important;
  }

  /* Section 7: Footer */
  .footer-top {
    flex-direction: column;
    gap: 2rem;
    text-align: center;
  }

  .footer-brand {
    flex-direction: column;
    gap: 0.8rem;
  }

  .footer-brand-divider {
    display: none !important;
  }

  .footer-nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
  }

  .footer-right {
    flex-direction: column;
    gap: 1.2rem;
    align-items: center;
  }
}

/* ==========================================================================
   3. Tablets & Mobile Landscape (max-width: 768px)
   ========================================================================== */
@media (max-width: 768px) {
  :root {
    --nav-height: 66px;
  }

  .container {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  /* Header & Mobile Drawer Navigation */
  .navbar {
    height: var(--nav-height);
  }

  .brand-logo {
    font-size: 1.6rem;
  }

  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background-color: #FAF7F2 !important;
    background: #FAF7F2 !important;
    flex-direction: column;
    padding: 2.2rem 1.5rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border-medium);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.4s var(--transition-smooth), opacity 0.3s ease;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    z-index: 99;
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-link {
    font-size: 1.1rem;
    padding: 0.6rem 0;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
  }

  .nav-link[href="#delivery"] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1.8rem;
    border-radius: var(--radius-pill);
    background-color: rgba(30, 28, 25, 0.06);
    color: var(--text-main);
    font-weight: 500;
    text-align: center;
    margin: 0 auto;
    min-height: unset;
  }

  .mobile-toggle {
    display: flex;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
  }

  .nav-actions .btn {
    display: none;
  }

  .sound-toggle-btn {
    padding: 0.45rem 0.75rem;
    font-size: 0.75rem;
  }

  /* Hero Section Mobile Order: Content First, Books Cluster Right Below */
  .hero-section {
    padding-top: 1.5rem;
    padding-bottom: 3rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }

  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero-handwritten-note {
    margin-bottom: 0.4rem;
  }

  .hero-handwritten-note span {
    font-size: 1.45rem;
  }

  .hero-title {
    font-size: clamp(2.1rem, 7.5vw, 2.75rem);
    line-height: 1.15;
    margin-bottom: 0.9rem;
  }

  .hero-subtext {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
  }

  .hero-cta-wrapper {
    width: 100%;
    justify-content: center;
  }

  .hero-cta-wrapper .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }

  .hero-doodles-cluster {
    display: none !important;
  }

  /* Hero Books Cluster - Clean 2-Book Arrangement on Mobile */
  .hero-visual {
    order: 2;
    margin-top: 1rem;
    overflow: visible;
  }

  .hero-books-cluster {
    width: 280px !important;
    max-width: 90vw !important;
    height: 250px !important;
    transform: none !important;
    margin: 0 auto !important;
    position: relative;
    perspective: 1200px;
  }

  .books-cluster-floor-shadow {
    bottom: 8px;
    left: calc(50% - 125px);
    width: 250px;
    height: 26px;
  }

  /* Mobile: Show only two books cleanly arranged (The Psychology of Money & Atomic Habits) */
  .book-rich-dad,
  .book-bodyscore {
    display: none !important;
  }

  .book-psychology {
    width: 136px;
    height: 204px;
    left: calc(50% - 116px);
    right: auto;
    top: auto;
    bottom: 24px;
    transform: rotateY(-8deg) rotateZ(-5deg) translateZ(-15px) !important;
    z-index: 5 !important;
  }

  .book-psychology:hover {
    transform: rotateY(-8deg) rotateZ(-5deg) translateZ(-15px) !important;
  }

  .book-atomic-habits {
    width: 148px;
    height: 220px;
    left: calc(50% - 24px);
    right: auto;
    top: auto;
    bottom: 16px;
    transform: rotateY(-2deg) rotateZ(3deg) translateZ(20px) !important;
    z-index: 10 !important;
  }

  .book-atomic-habits:hover {
    transform: rotateY(-2deg) rotateZ(3deg) translateZ(20px) !important;
  }

  /* Section 2: Trending on Instagram (Single-column layout with reels below heading) */
  .reels-section {
    padding: 3.5rem 0 4rem;
  }

  .reels-grid {
    grid-template-columns: 1fr !important;
    gap: 2rem !important;
    text-align: center;
  }

  .reels-intro {
    text-align: center;
    margin: 0 auto;
    max-width: 100%;
  }

  .reels-doodle-arrow {
    display: none !important;
  }

  .reels-intro .handwritten-title {
    font-size: 1.5rem;
  }

  .reels-heading {
    font-size: 2.2rem;
    justify-content: center;
  }

  .reels-subtext {
    font-size: 0.95rem;
    margin-bottom: 1rem;
  }

  /* Asymmetric Carousel with Next-Item Peek Affordance */
  .reels-cards-row {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding: 0.5rem 1.25rem 1.5rem;
    margin: 0 -1.25rem;
    scroll-snap-type: x mandatory;
    scroll-padding: 1.25rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .reels-cards-row::-webkit-scrollbar {
    display: none;
  }

  .reel-card {
    flex: 0 0 68vw;
    max-width: 250px;
    min-width: 200px;
    aspect-ratio: 9/16;
    height: auto;
    scroll-snap-align: center;
    border-radius: var(--radius-lg);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .reel-card:active {
    transform: scale(0.98);
  }

  /* Section 3: Explore Books Mobile Layout */
  .explore-section {
    padding: 3.5rem 0 3.5rem;
    overflow-x: clip;
    overflow-y: visible;
    width: 100%;
  }

  .explore-grid {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    text-align: center;
    gap: 1.5rem;
  }

  .explore-content {
    order: 1;
    width: 100%;
    max-width: 440px;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 0.5rem;
    position: relative;
    box-sizing: border-box;
  }

  /* Hide background illustration doodles on mobile to prevent overflow and visual noise */
  .explore-illustration-botanical,
  .explore-illustration-books {
    display: none !important;
  }

  .explore-content .handwritten-title {
    font-size: 1.5rem;
    margin-bottom: 0.2rem;
    text-align: center;
    width: 100%;
  }

  .explore-heading {
    font-size: clamp(2.3rem, 7.5vw, 2.9rem);
    line-height: 1.1;
    margin: 0 auto 0.8rem;
    text-align: center;
    width: 100%;
  }

  .explore-description {
    font-size: 0.95rem;
    line-height: 1.6;
    max-width: 330px;
    margin: 0 auto 1.5rem;
    color: var(--text-secondary);
    text-align: center;
  }

  .explore-content .btn {
    width: 100%;
    max-width: 290px;
    margin: 0 auto;
    display: inline-flex;
    justify-content: center;
    align-items: center;
  }

  .books-flatlay-stage {
    order: 2;
    width: 100%;
    max-width: 100%;
    height: 360px;
    min-height: 360px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: visible;
    margin: 1rem auto 0;
  }

  .flatlay-container {
    width: 480px !important;
    min-width: 480px !important;
    max-width: none !important;
    height: 480px !important;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) scale(0.72) !important;
    transform-origin: center center;
    margin: 0 !important;
    flex-shrink: 0;
  }

  /* Section 4: Creative Asymmetric Polaroid Scrapbook */
  .instagram-scrapbook-section {
    padding: 3.5rem 0 4rem;
  }

  .scrapbook-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.2rem;
    text-align: center;
  }

  .scrapbook-intro {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
  }

  .scrapbook-intro .scrapbook-heading {
    justify-content: center;
    font-size: 2.4rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.6rem;
  }

  .scrapbook-subtext {
    font-size: 0.95rem;
    max-width: 330px;
    margin: 0 auto 1.5rem;
    text-align: center;
  }

  .scrapbook-intro .btn {
    width: 100%;
    max-width: 280px;
    margin: 0 auto;
    justify-content: center;
  }

  /* Asymmetric Mosaic Grid with Featured Primary Tile & Consistent Mobile Layout */
  .polaroid-gallery-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(0.85rem, 2.5vw, 1.25rem);
    width: 100%;
    max-width: 580px;
    margin: 0 auto;
  }

  /* Featured Primary Photo: Hindi Literature Collection spans full width */
  .polaroid-tile:nth-child(1) {
    grid-column: 1 / -1;
    aspect-ratio: 16 / 10;
    transform: none;
  }

  .polaroid-tile:nth-child(2) {
    aspect-ratio: 1 / 1;
    transform: none;
  }

  .polaroid-tile:nth-child(3) {
    aspect-ratio: 1 / 1;
    transform: none;
  }

  .polaroid-tile:nth-child(4) {
    aspect-ratio: 1 / 1;
    transform: none;
  }

  .polaroid-tile:nth-child(5) {
    aspect-ratio: 1 / 1;
    transform: none;
  }

  /* Featured Box Set: Percy Jackson spans full width */
  .polaroid-tile:nth-child(6) {
    grid-column: 1 / -1;
    aspect-ratio: 16 / 10;
    transform: none;
  }

  .polaroid-tile:hover,
  .polaroid-tile:active {
    transform: none !important;
    box-shadow: 0 8px 24px rgba(25, 20, 15, 0.08) !important;
    z-index: 1 !important;
    pointer-events: none !important;
  }

  .polaroid-tile:hover .polaroid-tile-img,
  .polaroid-tile:active .polaroid-tile-img {
    transform: none !important;
  }

  .washi-tape-pin {
    display: none !important;
  }

  /* Section 5: Worldwide Delivery */
  .delivery-section {
    padding: 3.5rem 0 4rem;
  }

  .delivery-card-banner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 2.2rem 1.4rem;
    border-radius: var(--radius-lg);
    text-align: center;
  }

  .vintage-stamp,
  .stamp-box,
  .stamp-waves {
    display: none !important;
  }

  .delivery-globe-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    position: relative;
    width: fit-content;
  }

  .globe-image-wrapper {
    max-width: 175px;
    aspect-ratio: 1/1;
    margin: 0 auto;
  }

  .globe-sticky-note {
    position: absolute;
    bottom: 8px;
    right: -8px;
    padding: 0.45rem 0.85rem;
    z-index: 5;
  }

  .globe-sticky-note span {
    font-size: 1.15rem;
  }

  .flight-path-svg {
    display: none !important;
  }

  .delivery-content {
    width: 100%;
    text-align: center;
  }

  .delivery-tag-badge {
    justify-content: center;
    margin: 0 auto 0.6rem;
  }

  .delivery-heading {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 0.75rem;
  }

  .delivery-subtext {
    text-align: center;
    max-width: 360px;
    margin: 0 auto 1.5rem;
    font-size: 0.95rem;
  }

  .delivery-regions-row {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: fit-content;
    max-width: 100%;
    margin: 0 auto 1.6rem;
    gap: 0.85rem;
  }

  .region-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-align: left;
  }

  .shipping-calc-box {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 360px;
    margin: 0 auto;
    gap: 0.65rem;
    padding: 0.25rem;
  }

  .shipping-calc-input {
    width: 100%;
    min-height: 48px;
    text-align: center;
  }

  .shipping-calc-box .btn {
    width: 100%;
    min-height: 48px;
    justify-content: center;
  }

  /* Section 6: Follow Us On Instagram (Dark Banner) */
  .instagram-banner-section {
    padding: 3.5rem 0 3.5rem;
  }

  .insta-banner-grid {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0;
    width: 100%;
  }

  .insta-banner-left,
  .insta-banner-content {
    display: contents;
  }

  .insta-banner-doodle {
    order: 1;
    position: static;
    transform: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 0.75rem;
  }

  .insta-banner-doodle span {
    font-size: 1.25rem;
    transform: rotate(-1.5deg);
    text-align: center;
  }

  .insta-banner-doodle svg {
    width: 44px;
    height: 28px;
    transform: rotate(90deg);
    margin-top: 0.25rem;
  }

  .insta-banner-subtag {
    order: 2;
    display: block;
    margin-bottom: 0.5rem;
    text-align: center;
  }

  .insta-banner-heading {
    order: 3;
    font-size: clamp(2rem, 6.5vw, 2.6rem);
    margin-bottom: 0.75rem;
    text-align: center;
  }

  .insta-banner-desc {
    order: 4;
    font-size: 0.95rem;
    max-width: 340px;
    margin: 0 auto 1.5rem;
    text-align: center;
  }

  .insta-phone-wrapper {
    order: 5;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin-bottom: 1.75rem;
  }

  .phone-mockup {
    width: min(160px, 46vw);
    max-height: min(330px, 46vh);
    border-radius: 20px;
    border: 4px solid #22201D;
    transform: none !important;
    pointer-events: none !important;
    user-select: none !important;
    margin: 0 auto;
  }

  .phone-screen,
  .phone-screen-image-wrap,
  .phone-screen-img {
    border-radius: 16px;
    pointer-events: none !important;
    user-select: none !important;
  }

  .insta-banner-content .btn {
    order: 6;
    width: 100%;
    max-width: 290px;
    margin: 0 auto;
    justify-content: center;
  }

  /* Footer */
  .site-footer {
    padding: 3rem 0 2rem;
  }

  .footer-top {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.75rem;
    padding-bottom: 2rem;
  }

  .footer-brand {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }

  .footer-brand-divider {
    display: none;
  }

  .footer-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.25rem 1.75rem;
    padding: 0;
  }

  .footer-nav-link {
    font-size: 0.95rem;
  }

  .footer-right {
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    width: 100%;
  }

  .footer-right .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
    font-size: 0.8rem;
    padding-top: 1.75rem;
  }

  /* Quick-View Book Modal - Full Screen on Mobile */
  .drawer-overlay {
    padding: 0 !important;
    align-items: stretch !important;
    justify-content: stretch !important;
  }

  .book-drawer {
    width: 100vw !important;
    height: 100% !important;
    height: 100dvh !important;
    max-width: 100vw !important;
    max-height: 100% !important;
    max-height: 100dvh !important;
    border-radius: 0 !important;
    border: none !important;
    box-shadow: none !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch;
    padding: 3.5rem 1.4rem 2.5rem !important;
    margin: 0 !important;
    display: flex !important;
    flex-direction: column !important;
  }

  .drawer-close-btn {
    top: 1rem !important;
    right: 1rem !important;
    width: 40px !important;
    height: 40px !important;
    padding: 0 !important;
    margin: 0 !important;
    box-sizing: border-box !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    line-height: 0 !important;
    background: var(--bg-surface) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
    z-index: 20 !important;
  }

  .drawer-book-preview {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.2rem;
  }

  .drawer-book-cover-wrap {
    width: 130px;
    height: 195px;
  }

  .drawer-meta-pills {
    justify-content: center;
  }

  .drawer-quote-box {
    font-size: 0.9rem;
    padding: 0.85rem 1rem;
    margin: 1rem 0;
  }

  .drawer-synopsis {
    font-size: 0.88rem;
  }
}

/* ==========================================================================
   4. Compact & Small Phones (max-width: 480px)
   ========================================================================== */
@media (max-width: 480px) {
  :root {
    --nav-height: 62px;
  }

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

  .hero-title {
    font-size: clamp(1.85rem, 8vw, 2.25rem);
  }

  .hero-handwritten-note span {
    font-size: 1.35rem;
  }

  .hero-subtext {
    font-size: 0.88rem;
    letter-spacing: 0.01em;
  }

  .hero-subtext .bullet {
    margin: 0 0.35rem;
  }

  .hero-books-cluster {
    width: 260px !important;
    max-width: 90vw !important;
    height: 235px !important;
    transform: none !important;
    margin: 0 auto !important;
  }

  .hero-doodles-cluster {
    display: none !important;
  }

  .books-cluster-floor-shadow {
    bottom: 8px;
    left: calc(50% - 115px);
    width: 230px;
    height: 24px;
  }

  .book-psychology {
    width: 126px;
    height: 188px;
    left: calc(50% - 108px);
    bottom: 22px;
  }

  .book-atomic-habits {
    width: 138px;
    height: 206px;
    left: calc(50% - 22px);
    bottom: 14px;
  }

  /* Reels Peek Carousel */
  .reels-heading {
    font-size: 1.9rem;
  }

  .reel-card {
    flex: 0 0 76vw;
    max-width: 230px;
    min-width: 190px;
  }

  /* Explore Section Flatlay Scaling */
  .explore-content {
    padding: 0 0.25rem;
  }

  .explore-description {
    font-size: 0.9rem;
    max-width: 300px;
  }

  .explore-content .btn {
    max-width: 280px;
  }

  .books-flatlay-stage {
    height: 330px;
    min-height: 330px;
    margin-top: 1rem;
  }

  .flatlay-container {
    width: 480px !important;
    min-width: 480px !important;
    max-width: none !important;
    height: 480px !important;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) scale(0.65) !important;
    transform-origin: center center;
    margin: 0 !important;
  }

  /* Scrapbook Polaroid Spacing */
  .polaroid-gallery-grid {
    gap: 0.85rem;
  }

  .polaroid-tile {
    border-radius: var(--radius-sm);
  }

  .washi-tape-pin {
    width: 32px;
    height: 12px;
    top: -5px;
  }

  /* Delivery Banner */
  .delivery-card-banner {
    padding: 1.8rem 1.1rem;
  }

  .globe-image-wrapper {
    max-width: 180px;
  }

  .globe-sticky-note {
    padding: 0.35rem 0.65rem;
    bottom: 5px;
  }

  .globe-sticky-note span {
    font-size: 1rem;
  }

  .delivery-heading {
    font-size: 1.9rem;
  }

  /* Follow Us Phone Mockup Compact */
  .phone-mockup {
    width: min(135px, 42vw);
    max-height: min(285px, 40vh);
    border-radius: 18px;
    border: 3.5px solid #22201D;
    pointer-events: none !important;
    user-select: none !important;
  }

  .phone-screen,
  .phone-screen-image-wrap,
  .phone-screen-img {
    border-radius: 14px;
    pointer-events: none !important;
    user-select: none !important;
  }
}

/* ==========================================================================
   5. Ultra-Small Phones (max-width: 360px - e.g. iPhone SE 1st gen, Galaxy Fold)
   ========================================================================== */
@media (max-width: 360px) {
  .container {
    padding-left: 0.85rem;
    padding-right: 0.85rem;
  }

  .brand-logo {
    font-size: 1.45rem;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .hero-books-cluster {
    width: 230px !important;
    max-width: 90vw !important;
    height: 210px !important;
    transform: none !important;
    margin: 0 auto !important;
  }

  .hero-doodles-cluster {
    display: none !important;
  }

  .books-cluster-floor-shadow {
    bottom: 6px;
    left: calc(50% - 100px);
    width: 200px;
    height: 20px;
  }

  .book-psychology {
    width: 112px;
    height: 166px;
    left: calc(50% - 96px);
    bottom: 18px;
  }

  .book-atomic-habits {
    width: 122px;
    height: 182px;
    left: calc(50% - 18px);
    bottom: 12px;
  }

  .reel-card {
    flex: 0 0 82vw;
    max-width: 210px;
    min-width: 180px;
  }

  .explore-content .btn {
    max-width: 260px;
    font-size: 0.88rem;
  }

  .books-flatlay-stage {
    height: 290px;
    min-height: 290px;
    margin-top: 0.75rem;
  }

  .flatlay-container {
    width: 480px !important;
    min-width: 480px !important;
    max-width: none !important;
    height: 480px !important;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) scale(0.56) !important;
    transform-origin: center center;
    margin: 0 !important;
  }

  /* Keep 2-column layout even on ultra-compact screens */
  .polaroid-gallery-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }

  .phone-mockup {
    width: 120px;
    max-height: 255px;
    border-radius: 16px;
    border: 3px solid #22201D;
    pointer-events: none !important;
    user-select: none !important;
  }
}

/* ==========================================================================
   6. Touch & Fine Pointer Adaptation
   ========================================================================== */
@media (pointer: coarse) {
  /* Ensure comfortable touch targets (minimum 44x44px) */
  button,
  a,
  .nav-link,
  .reel-card,
  .polaroid-tile,
  .flatlay-book,
  .filter-chip {
    -webkit-tap-highlight-color: transparent;
  }

  /* Disable hover-based translations on touch devices to avoid stuck states */
  .polaroid-tile:hover {
    transform: none;
  }

  .reel-card:hover {
    transform: none;
  }

  .cluster-book:hover {
    transform: none;
  }

  .phone-mockup:hover {
    transform: none !important;
  }
}

/* ==========================================================================
   7. Horizontal Overflow Guard
   ========================================================================== */
html, body {
  overflow-x: hidden;
  max-width: 100%;
}