/* ========================================
   RESPONSIVE STYLES
   Note: Loaded last in index.html so these rules
   can safely override section-level styles.
   ======================================== */

/* Desktop-laptop refinement (below 1280px) */
@media screen and (max-width: 1279px) {
    .container {
        padding: 0 18px;
    }

    .hero-section,
    .about-section,
    .technology-section,
    .projects-section,
    .roadmap-section,
    .blog-section,
    .faq-section,
    .contact-section {
        padding-top: 86px;
        padding-bottom: 86px;
    }

    .hero-container {
        padding: 0 18px;
    }

    .hero-grid {
        gap: 36px;
    }

    .hero-content {
        padding-top: 140px;
    }

    /* Requested: hero font should be smaller below 1280 */
    .hero-heading {
        font-size: 52px;
        line-height: 1.12;
    }

    .hero-description {
        font-size: 15px;
        line-height: 1.6;
    }

    /* Requested: hero image a little smaller */
    .hero-image {
        max-width: 82%;
        margin-bottom: -48px;
    }

    .nft-card {
        padding: 22px;
    }

    .nft-card-title {
        font-size: 18px;
    }

    .nft-bid-amount,
    .countdown-value {
        font-size: 21px;
    }

    .nft-label,
    .nft-bid-usd {
        font-size: 12px;
    }

    .about-heading,
    .tech-heading,
    .projects-heading,
    .roadmap-heading,
    .blog-heading,
    .faq-heading,
    .contact-heading {
        font-size: 42px;
        line-height: 1.22;
    }

    .projects-intro,
    .faq-description,
    .about-description,
    .contact-value,
    .roadmap-description,
    .project-description,
    .blog-date {
        font-size: 15px;
    }

    .about-subdescription,
    .skills-list li,
    .footer-links li a,
    .footer-links li span,
    .footer-contact-list li {
        font-size: 14px;
    }

    .stat-number {
        font-size: 34px;
    }

    .stat-label {
        font-size: 12px;
    }
}

/* Tablet portrait + small laptop (1280 -> 999 target band) */
@media screen and (max-width: 999px) {
    /* Use mobile navbar layout for tablet widths to avoid desktop crowding */
    .navbar-desktop {
        display: none;
    }

    .navbar-mobile {
        display: block;
    }

    .navbar {
        padding: 16px 0;
    }

    .nav-menu {
        gap: 18px;
    }

    .nav-link {
        font-size: 14px;
    }

    .logo-image {
        height: 40px;
    }

    .btn-nav,
    .nav-actions .btn-primary {
        padding: 11px 18px !important;
        font-size: 13px !important;
    }

    .hero-section {
        padding-top: 104px;
        padding-bottom: 64px;
        min-height: auto;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 44px;
    }

    .hero-visual-wrapper {
        order: -1;
        align-items: center;
        margin-bottom: 16px;
        width: 100%;
    }

    .hero-content {
        order: 1;
        padding-top: 0;
    }

    /* Requested: noticeably smaller hero text in this range */
    .hero-heading {
        font-size: 44px;
        text-align: center;
    }

    .hero-description {
        font-size: 14px;
        text-align: center;
        max-width: 680px;
        margin: 0 auto 28px;
    }

    .hero-btn-group {
        justify-content: center;
        margin-bottom: 36px;
    }

    .hero-stats {
        justify-content: center;
        gap: 20px;
    }

    .stat-item {
        padding: 0 16px;
    }

    .stat-item:not(:last-child)::after {
        right: -10px;
        height: 42px;
    }

    .stat-number {
        font-size: 28px;
    }

    .stat-label {
        font-size: 11px;
        letter-spacing: 0.4px;
    }

    /* Requested: hero image smaller */
    .hero-image {
        max-width: 72%;
        margin-bottom: -34px;
    }

    .nft-card {
        width: 100%;
        max-width: 100%;
        margin: 0 auto;
        border-radius: 18px;
        overflow: hidden;
    }

    .nft-info-row {
        flex-direction: column;
        gap: 14px;
    }

    .nft-countdown {
        gap: 8px;
        flex-wrap: wrap;
        justify-content: flex-start;
    }

    .countdown-item {
        min-width: 68px;
        padding: 0 6px;
    }

    .countdown-item:not(:last-child)::after {
        display: none;
    }

    .countdown-label {
        font-size: 10px;
    }

    .about-heading,
    .tech-heading,
    .projects-heading,
    .roadmap-heading,
    .blog-heading,
    .faq-heading,
    .contact-heading {
        font-size: 36px;
    }

    .about-description,
    .projects-intro,
    .faq-description,
    .project-description,
    .roadmap-description,
    .contact-value,
    .blog-date {
        font-size: 14px;
    }

    .about-subdescription,
    .skills-list li,
    .faq-answer p,
    .footer-links li a,
    .footer-links li span,
    .footer-contact-list li {
        font-size: 13px;
    }

    .project-title {
        font-size: 30px;
    }

    /* Keep project image proportion consistent with desktop cards */
    .project-image {
        height: auto;
        aspect-ratio: 14 / 9;
    }

    .project-image img {
        height: 100%;
    }

    /* Roadmap: prevent stacked-card overlap in tablet widths */
    .roadmap-timeline {
        padding: 8px 0;
        margin-bottom: 24px;
    }

    .roadmap-item {
        margin-bottom: 26px;
        padding-left: 56px;
        padding-right: 16px;
    }

    .roadmap-card {
        min-height: auto;
        padding: 26px 22px;
    }

    .roadmap-date {
        position: static;
        display: inline-block;
        margin-bottom: 10px;
    }

    .roadmap-title {
        margin-top: 0;
    }

    .roadmap-description {
        margin-top: 8px;
    }

    .contact-wrapper {
        padding: 34px;
        gap: 34px;
    }
}

/* Large phones / compact tablets */
@media screen and (max-width: 767px) {
    .navbar-desktop {
        display: none;
    }

    .navbar-mobile {
        display: block;
    }

    .navbar {
        padding: 12px 0;
    }

    .logo-image {
        height: 34px;
    }

    .hero-section,
    .about-section,
    .technology-section,
    .projects-section,
    .roadmap-section,
    .blog-section,
    .faq-section,
    .contact-section {
        padding-top: 62px;
        padding-bottom: 62px;
    }

    .hero-container,
    .container {
        padding: 0 16px;
    }

    .hero-heading {
        font-size: 34px;
        line-height: 1.2;
    }

    .hero-description {
        font-size: 13px;
        margin-bottom: 24px;
    }

    .hero-btn-group {
        gap: 10px;
        margin-bottom: 28px;
        align-items: stretch;
    }

    .hero-btn-group .btn {
        width: 100%;
    }

    .btn {
        font-size: 14px;
        padding: 13px 18px;
        border-radius: 12px;
    }

    .hero-image {
        max-width: 76%;
        margin-bottom: -24px;
    }

    .nft-countdown {
        justify-content: center;
    }

    .nft-card {
        padding: 18px;
    }

    .nft-card-title {
        font-size: 16px;
    }

    .nft-bid-amount,
    .countdown-value {
        font-size: 17px;
    }

    .nft-label,
    .nft-bid-usd,
    .countdown-label {
        font-size: 11px;
    }

    .about-heading,
    .tech-heading,
    .projects-heading,
    .roadmap-heading,
    .blog-heading,
    .faq-heading,
    .contact-heading {
        font-size: 30px;
        margin-bottom: 28px;
    }

    .projects-intro,
    .about-description,
    .faq-description,
    .project-description,
    .roadmap-description,
    .contact-value,
    .blog-date {
        font-size: 13px;
    }

    .about-subdescription,
    .skills-list li,
    .faq-answer p,
    .footer-links li a,
    .footer-links li span,
    .footer-contact-list li,
    .footer-copy,
    .footer-made {
        font-size: 12px;
    }

    .project-card,
    .contact-wrapper,
    .modal-box {
        border-radius: 16px;
    }

    .project-title {
        font-size: 24px;
    }

    .project-category {
        font-size: 11px;
        padding: 5px 12px;
    }

    .nav-btn,
    .github-btn,
    .footer-social-btn {
        width: 42px;
        height: 42px;
    }

    /* Roadmap mobile centering: remove tablet left gutter offset */
    .roadmap-timeline {
        margin: 0;
        padding: 0;
    }

    .roadmap-item {
        width: 100%;
        left: 0 !important;
        margin-bottom: 22px;
        padding-left: 0;
        padding-right: 0;
    }

    .roadmap-card {
        width: 100%;
        margin: 0;
        padding: 30px 20px;
    }
}

/* Phone baseline */
@media screen and (max-width: 480px) {
    .hero-section,
    .about-section,
    .technology-section,
    .projects-section,
    .roadmap-section,
    .blog-section,
    .faq-section,
    .contact-section {
        padding-top: 50px;
        padding-bottom: 50px;
    }

    .hero-container,
    .container {
        padding: 0 14px;
    }

    .hero-heading {
        font-size: 28px;
    }

    .hero-description {
        font-size: 12px;
    }

    .hero-btn-group {
        flex-direction: column;
        gap: 10px;
    }

    .hero-image {
        max-width: 74%;
        margin-bottom: -16px;
    }

    .nft-countdown {
        justify-content: space-between;
    }

    .stat-number {
        font-size: 22px;
    }

    .stat-label,
    .countdown-label {
        font-size: 11px;
    }

    .about-heading,
    .tech-heading,
    .projects-heading,
    .roadmap-heading,
    .blog-heading,
    .faq-heading,
    .contact-heading {
        font-size: 26px;
    }

    .project-title {
        font-size: 21px;
    }

    .project-btn,
    .form-submit-btn,
    .chat-send-btn {
        font-size: 13px;
    }
}

/* Very small phones */
@media screen and (max-width: 375px) {
    .hero-heading {
        font-size: 24px;
    }

    .hero-description,
    .projects-intro,
    .about-description,
    .faq-description,
    .project-description,
    .roadmap-description,
    .contact-value,
    .blog-date,
    .about-subdescription,
    .skills-list li,
    .faq-answer p,
    .footer-links li a,
    .footer-links li span,
    .footer-contact-list li,
    .footer-copy,
    .footer-made {
        font-size: 12px;
    }

    .about-heading,
    .tech-heading,
    .projects-heading,
    .roadmap-heading,
    .blog-heading,
    .faq-heading,
    .contact-heading {
        font-size: 23px;
    }

    .hero-image {
        max-width: 72%;
    }

    .btn,
    .project-btn,
    .form-submit-btn {
        font-size: 12px;
        padding: 12px 14px;
    }
}

/* 320px floor */
@media screen and (max-width: 320px) {
    .container,
    .hero-container {
        padding: 0 10px;
    }

    .hero-heading {
        font-size: 22px;
    }

    .about-heading,
    .tech-heading,
    .projects-heading,
    .roadmap-heading,
    .blog-heading,
    .faq-heading,
    .contact-heading {
        font-size: 21px;
    }

    .hero-image {
        max-width: 70%;
    }

    .btn,
    .project-btn,
    .form-submit-btn {
        font-size: 11px;
        padding: 11px 12px;
    }
}