/* ============================================
   UNIVERSAL RESPONSIVE CSS
   ============================================
   
   BREAKPOINT SUMMARY:
   -------------------
   DESKTOP (Navbar Visible):
   - 1920×1080, 1536×864, 1366×768, 1280×720, 1280×800
   - Breakpoint: min-width: 1280px
   
   TABLET (Mixed):
   - 768×1024 → Hamburger
   - 800×1280 → Hamburger  
   - 820×1180 → Hamburger
   - 1280×800 → Navbar visible
   
   MOBILE (Hamburger):
   - 360×800, 390×844, 393×873, 412×915
   - Breakpoint: max-width: 767px
   
   NO COLOR CHANGES - Layout and sizing only
============================================ */

/* ============================================
   BASE STYLES - Mobile First Approach
============================================ */
* {
    box-sizing: border-box;
}

body, html {
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

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

/* ============================================
   DESKTOP STYLES (1280px and above)
   Navbar visible for: 1920×1080, 1536×864, 1366×768, 1280×720, 1280×800
============================================ */
@media screen and (min-width: 1280px) {
    /* Navigation - Show navbar, hide hamburger */
    .nav-links {
        display: flex !important;
    }
    
    .btn-group {
        display: flex !important;
    }
    
    .hamburger {
        display: none !important;
    }
    
    .mobile-menu {
        display: none !important;
    }
    
    /* Header */
    header nav {
        padding: 15px 60px;
    }
    
    .logo {
        font-size: 30px;
    }
    
    .logo1 {
        font-size: 30px;
    }
    
    /* Hero Section */
    .hero {
        min-height: 85vh;
        padding: 100px 60px;
    }
    
    .hero:not(.hero-home) .hero-content {
        flex-direction: row;
        gap: 80px;
        max-width: 1400px;
    }
    
    .hero h1,
    .left-text h1 {
        font-size: 3.5rem;
    }
    
    .hero p,
    .hero-subtitle,
    .left-text p {
        font-size: 1.2rem;
    }
    
    /* Grids - 4 columns */
    .grids,
    .feature-grid,
    .tools-container,
    .cta-grid {
        grid-template-columns: repeat(4, 1fr) !important;
        gap: 30px;
    }
    
    /* Membership - 4 columns */
    .membership {
        grid-template-columns: repeat(4, 1fr);
        gap: 30px;
    }
    
    /* Benefits - 4 columns */
    .benefit-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 30px;
    }
    
    /* Reviews - 3 columns */
    .star-rating {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Sections */
    .features,
    .offer-section,
    .review-section,
    .tools-section,
    .tech-cta-container,
    .tech-faq-section,
    .benefits {
        padding: 100px 60px;
    }
    
    /* Footer */
    .tech-footer {
        padding: 80px 60px;
    }
    
    .footer-links-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 50px;
    }
    
    .footer-brand {
        width: 30%;
    }
}

/* ============================================
   EXTRA LARGE DESKTOP (1536px and above)
============================================ */
@media screen and (min-width: 1536px) {
    header nav {
        padding: 15px 80px;
    }
    
    .hero {
        padding: 120px 80px;
    }
    
    .hero h1,
    .left-text h1 {
        font-size: 4rem;
    }
    
    .features,
    .offer-section,
    .review-section,
    .tools-section,
    .tech-cta-container,
    .tech-faq-section {
        padding: 120px 80px;
    }
}

/* ============================================
   FULL HD DESKTOP (1920px and above)
============================================ */
@media screen and (min-width: 1920px) {
    header nav {
        padding: 18px 100px;
    }
    
    .hero {
        min-height: 90vh;
        padding: 140px 100px;
    }
    
    .hero h1,
    .left-text h1 {
        font-size: 4.5rem;
    }
    
    .hero-content {
        max-width: 1600px;
    }
    
    .grids,
    .feature-grid,
    .tools-container,
    .cta-grid,
    .star-rating {
        max-width: 1600px;
        margin: 0 auto;
    }
}

/* ============================================
   TABLET LANDSCAPE - Navbar Visible (1280×800)
============================================ */
@media screen and (min-width: 1280px) and (max-height: 900px) {
    .nav-links {
        display: flex !important;
    }
    
    .btn-group {
        display: flex !important;
    }
    
    .hamburger {
        display: none !important;
    }
    
    .mobile-menu {
        display: none !important;
    }
    
    .hero {
        min-height: auto;
        height: auto;
        padding: 100px 50px 80px;
    }
}

/* ============================================
   TABLET STYLES (768px - 1279px)
   Hamburger menu for: 768×1024, 800×1280, 820×1180
============================================ */
@media screen and (min-width: 768px) and (max-width: 1279px) {
    /* Navigation - Show hamburger, hide navbar */
    .nav-links {
        display: none !important;
    }
    
    .btn-group {
        display: none !important;
    }
    
    .hamburger {
        display: block !important;
    }
    
    /* Header */
    header nav {
        padding: 15px 30px;
    }
    
    .logo {
        font-size: 26px;
    }
    
    .logo1 {
        font-size: 26px;
    }
    
    .nav-right {
        gap: 15px;
    }
    
    /* Hero */
    .hero {
        min-height: auto;
        padding: 100px 30px 70px;
    }
    
    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }
    
    .left-text {
        width: 100%;
        text-align: center;
    }
    
    .hero h1,
    .left-text h1 {
        font-size: 2.8rem;
    }
    
    .hero p,
    .left-text p {
        font-size: 1.1rem;
        max-width: 600px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .right-card {
        width: 100%;
        max-width: 450px;
    }
    
    /* Grids - 2 columns */
    .grids,
    .feature-grid,
    .tools-container,
    .cta-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 25px;
    }
    
    /* Membership - 2 columns */
    .membership {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
        width: 90%;
    }
    
    /* Benefits - 2 columns */
    .benefit-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    /* Reviews - 2 columns */
    .star-rating {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Sections */
    .features,
    .offer-section,
    .review-section,
    .tools-section,
    .tech-cta-container,
    .tech-faq-section,
    .benefits {
        padding: 70px 30px;
    }
    
    /* Offer Section */
    .offer-section {
        flex-direction: column;
        text-align: center;
    }
    
    .offer-left,
    .offer-right {
        width: 100%;
    }
    
    .offer-right {
        text-align: center;
    }
    
    .offer-list {
        max-width: 500px;
        margin: 25px auto;
    }
    
}

/* ============================================
   SPECIFIC TABLET: 820×1180 (iPad Air)
============================================ */
@media screen and (width: 820px) and (height: 1180px),
       screen and (min-width: 800px) and (max-width: 850px) {
    .hamburger {
        display: block !important;
    }
    
    .nav-links,
    .btn-group {
        display: none !important;
    }
    
    .membership {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .benefit-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================================
   SPECIFIC TABLET: 768×1024 (iPad)
============================================ */
@media screen and (width: 768px) and (height: 1024px),
       screen and (min-width: 750px) and (max-width: 790px) {
    .hamburger {
        display: block !important;
    }
    
    .nav-links,
    .btn-group {
        display: none !important;
    }
    
    .hero h1,
    .left-text h1 {
        font-size: 2.5rem;
    }
    
    .membership {
        grid-template-columns: repeat(2, 1fr);
        width: 90%;
    }
}

/* ============================================
   MOBILE STYLES (max-width: 767px)
   Hamburger menu for: 360×800, 390×844, 393×873, 412×915
============================================ */
@media screen and (max-width: 767px) {
    /* Navigation - Show hamburger, hide navbar */
    .nav-links {
        display: none !important;
    }
    
    .btn-group {
        display: none !important;
    }
    
    .hamburger {
        display: block !important;
    }
    
    /* Header */
    header nav {
        padding: 12px 15px;
    }
    
    .logo {
        font-size: 22px;
    }
    
    .logo1 {
        font-size: 22px;
    }
    
    .nav-right {
        gap: 8px;
        margin-left: 0;
    }
    
    .toggle-btn {
        padding: 8px 10px;
        font-size: 14px;
    }
    
    .hamburger {
        padding: 8px 10px;
        font-size: 18px;
    }
    
    /* Mobile Menu */
    .mobile-menu {
        top: 60px;
        padding: 20px 15px;
        gap: 12px;
    }
    
    .mobile-menu a {
        font-size: 16px;
        padding: 10px 0;
    }
    
    /* Hero */
    .hero {
        min-height: 70vh;
        padding: 40px 20px;
    }
    
    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }
    
    .left-text {
        width: 100%;
        text-align: center;
    }
    
    .hero h1,
    .left-text h1 {
        font-size: 32px;
        line-height: 1.3;
    }
    
    .hero p,
    .hero-subtitle,
    .left-text p {
        font-size: 16px;
        line-height: 1.6;
    }
    
    .right-card {
        width: 100%;
        max-width: 320px;
    }
    
    .glass-box {
        padding: 25px 20px;
    }
    
    .glass-box h3 {
        font-size: 20px;
    }
    
    .cta-btn {
        width: 100%;
        max-width: 250px;
        padding: 14px 24px;
        font-size: 15px;
    }
    
    /* Grids - 1 column */
    .grids,
    .feature-grid,
    .tools-container,
    .cta-grid {
        grid-template-columns: 1fr !important;
        gap: 20px;
    }
    
    /* Membership - 1 column */
    .membership {
        grid-template-columns: 1fr;
        gap: 20px;
        width: 92%;
    }
    
    .plan {
        padding: 25px 20px;
    }
    
    /* Benefits - 1 column */
    .benefit-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .benefit-card {
        padding: 20px;
    }
    
    /* Reviews - 1 column */
    .star-rating {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .rating {
        padding: 20px 15px;
    }
    
    /* Sections */
    .features,
    .offer-section,
    .review-section,
    .tools-section,
    .tech-cta-container,
    .tech-faq-section,
    .benefits {
        padding: 50px 15px;
    }
    
    /* Titles */
    .title,
    .section-title,
    .cta-main-title,
    .faq-title {
        font-size: 1.6rem;
    }
    
    .subtitle,
    .section-subtitle,
    .sub-title,
    .cta-sub-title,
    .faq-subtitle {
        font-size: 0.9rem;
    }
    
    /* Cards */
    .grid1,
    .card,
    .card1,
    .tool-card,
    .cta-card {
        padding: 20px 15px;
    }
    
    .grid1 img,
    .card img {
        height: 180px;
    }
    
    .grid1 h3,
    .card h3,
    .tool-card h3 {
        font-size: 1.1rem;
    }
    
    .grid1 p,
    .card p,
    .tool-card p {
        font-size: 0.9rem;
    }
    
    /* Offer Section */
    .offer-section {
        flex-direction: column;
        text-align: center;
        padding: 50px 15px;
    }
    
    .offer-left,
    .offer-right {
        width: 100%;
    }
    
    .offer-right h2 {
        font-size: 1.6rem;
    }
    
    .offer-right p {
        font-size: 0.95rem;
    }
    
    .offer-list {
        max-width: 100%;
        padding: 0 10px;
    }
    
    .offer-list li {
        font-size: 0.9rem;
        padding-left: 28px;
    }
    
    .offer-btn {
        width: 100%;
        max-width: 220px;
        padding: 14px 25px;
        font-size: 1rem;
    }
    
    /* FAQ */
    .faq-wrapper {
        gap: 12px;
    }
    
    .faq-item {
        padding: 15px;
    }
    
    .faq-question {
        font-size: 1rem;
    }
    
    .faq-answer {
        font-size: 0.85rem;
    }
    
}

@media screen and (max-width: 480px) {
    .hero {
        padding: 40px 15px;
    }

    .hero h1,
    .left-text h1 {
        font-size: 24px;
    }

    .hero p,
    .hero-subtitle,
    .left-text p {
        font-size: 14px;
    }
}

/* ============================================
   SPECIFIC MOBILE: 412×915 (Pixel 6/7)
============================================ */
@media screen and (width: 412px) and (height: 915px),
       screen and (min-width: 410px) and (max-width: 420px) {
    header nav {
        padding: 12px 18px;
    }
    
    .hero h1,
    .left-text h1 {
        font-size: 24px;
    }
    
    .membership {
        width: 94%;
    }
}

/* ============================================
   SPECIFIC MOBILE: 393×873 (Pixel 5)
============================================ */
@media screen and (width: 393px) and (height: 873px),
       screen and (min-width: 390px) and (max-width: 400px) {
    header nav {
        padding: 12px 16px;
    }
    
    .hero h1,
    .left-text h1 {
        font-size: 24px;
    }
}

/* ============================================
   SPECIFIC MOBILE: 390×844 (iPhone 12/13/14)
============================================ */
@media screen and (width: 390px) and (height: 844px),
       screen and (min-width: 385px) and (max-width: 395px) {
    header nav {
        padding: 12px 16px;
    }
    
    .hero h1,
    .left-text h1 {
        font-size: 24px;
    }
    
    .nav-right {
        gap: 6px;
    }
}

/* ============================================
   SPECIFIC MOBILE: 360×800 (Small Android)
============================================ */
@media screen and (width: 360px) and (height: 800px),
       screen and (max-width: 370px) {
    header nav {
        padding: 10px 12px;
    }
    
    .logo {
        font-size: 20px;
    }
    
    .logo1 {
        font-size: 20px;
    }
    
    .nav-right {
        gap: 5px;
    }
    
    .toggle-btn {
        padding: 6px 8px;
        font-size: 13px;
    }
    
    .hamburger {
        padding: 6px 8px;
        font-size: 16px;
    }
    
    .hero h1,
    .left-text h1 {
        font-size: 24px;
    }
    
    .hero p,
    .left-text p {
        font-size: 14px;
    }
    
    .title,
    .section-title,
    .cta-main-title,
    .faq-title {
        font-size: 1.4rem;
    }
    
    .features,
    .offer-section,
    .review-section,
    .tools-section,
    .tech-cta-container,
    .tech-faq-section {
        padding: 40px 12px;
    }
}

/* ============================================
   EXTRA SMALL MOBILE (max-width: 340px)
============================================ */
@media screen and (max-width: 340px) {
    header nav {
        padding: 8px 10px;
    }
    
    .logo {
        font-size: 18px;
    }
    
    .logo1 {
        font-size: 18px;
    }
    
    .hero h1,
    .left-text h1 {
        font-size: 1.5rem;
    }
    
    .cta-btn {
        padding: 12px 20px;
        font-size: 14px;
    }
}

/* ============================================
   LANDSCAPE ORIENTATION FIXES
============================================ */
@media screen and (orientation: landscape) and (max-height: 500px) {
    .hero {
        min-height: auto;
        height: auto;
        padding: 80px 20px 40px;
    }
    
    .mobile-menu {
        max-height: 80vh;
        overflow-y: auto;
    }
}

/* ============================================
   HERO SECTION - PRODUCT PAGE SPECIFIC
============================================ */
@media screen and (max-width: 767px) {
    .hero-modern {
        padding: 100px 15px 60px;
    }
    
    .hero-container {
        flex-direction: column;
        height: auto;
        gap: 30px;
        text-align: center;
    }
    
    .hero-left {
        max-width: 100%;
        text-align: center;
    }
    
    .hero-left h1 {
        font-size: 2rem;
    }
    
    .hero-left p {
        font-size: 1rem;
    }
    
    .hero-img {
        width: 100%;
        max-width: 350px;
        height: 250px;
        margin-right: 0;
    }
}

@media screen and (min-width: 768px) and (max-width: 1279px) {
    .hero-modern {
        padding: 120px 30px 80px;
    }
    
    .hero-container {
        flex-direction: column;
        height: auto;
        gap: 40px;
        text-align: center;
    }
    
    .hero-left {
        max-width: 100%;
        text-align: center;
    }
    
    .hero-left h1 {
        font-size: 2.8rem;
    }
    
    .hero-img {
        width: 100%;
        max-width: 450px;
        margin-right: 0;
    }
}

@media screen and (min-width: 1280px) {
    .hero-modern {
        padding: 150px 60px;
    }
    
    .hero-container {
        flex-direction: row;
        height: 60vh;
        gap: 60px;
        text-align: left;
    }
    
    .hero-left {
        text-align: left;
    }
    
    .hero-left h1 {
        font-size: 3.5rem;
    }
    
    .hero-img {
        margin-right: 100px;
    }
}

/* ============================================
   UTILITY CLASSES
============================================ */
.hide-mobile {
    display: block;
}

.show-mobile {
    display: none;
}

@media screen and (max-width: 767px) {
    .hide-mobile {
        display: none !important;
    }
    
    .show-mobile {
        display: block !important;
    }
}

.hide-tablet {
    display: block;
}

@media screen and (min-width: 768px) and (max-width: 1279px) {
    .hide-tablet {
        display: none !important;
    }
}

.hide-desktop {
    display: none;
}

@media screen and (max-width: 1279px) {
    .hide-desktop {
        display: block !important;
    }
}

/* Text center on mobile */
@media screen and (max-width: 767px) {
    .text-center-mobile {
        text-align: center !important;
    }
}

/* Full width on mobile */
@media screen and (max-width: 767px) {
    .full-width-mobile {
        width: 100% !important;
    }
}