/* ============================================================
   RESPONSIVE STYLES — Digital Harbor Landing Page
   Breakpoints: 991px | 768px | 576px
   Instructions: Link this file AFTER your main stylesheet.
   ============================================================ */


/* ============================================================
   ≤ 991px  (tablets / small laptops)
   ============================================================ */
@media (max-width: 991px) {

    /* --- HERO --- */
    .hero {
        grid-template-columns: 1fr;
        padding: 100px 32px 60px;
        gap: 40px;
        text-align: center;
    }

    .hero::after {
        top: -100px;
        right: -100px;
        width: 400px;
        height: 400px;
    }

    .hero-badge {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-sub {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        width: 100%;
    }

    /* --- LOGOS STRIP --- */
    .logos-strip {
        padding: 36px 24px;
    }

    .logos-row {
        gap: 16px;
    }

    /* --- PROBLEMS --- */
    .problems-grid {
        grid-template-columns: 1fr 1fr;
    }

    /* --- HOW STEPS --- */
    .how-steps {
        grid-template-columns: 1fr 1fr;
    }

    .step:nth-child(2) .step-arrow,
    .step:last-child .step-arrow {
        display: none;
    }

    /* --- FEATURES --- */
    .features-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .feature-showcase {
        position: static;
    }

    /* --- INDUSTRIES --- */
    .industries-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    /* --- TESTIMONIALS --- */
    .testimonials-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .testimonial-card:last-child {
        grid-column: 1 / -1;
    }

    /* --- CTA / HBR --- */
    .hbr-panel-card {
        padding: 48px 36px;
    }

    .hbr-stack-metrics {
        max-width: 100%;
        margin-top: 40px;
    }

    /* --- FOOTER --- */
    .dh-footer {
        padding: 50px 0 20px;
    }

    .dh-brand-desc {
        max-width: 100%;
    }

    .dh-footer .row>div {
        margin-bottom: 30px;
    }

    .dh-col-heading {
        margin-bottom: 15px;
    }

    .dh-footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .footer-top>div:first-child {
        grid-column: 1 / -1;
    }
    
    .footer-cta {
        gap: 30px;
        margin-bottom: 40px;
    }

    .footer-cta-email {
        font-size: 44px;
    }

    .footer-cta-btn {
        padding: 12px 18px;
        font-size: 12.5px;
    }

    /* --- SECTIONS --- */
    section {
        padding: 72px 32px;
    }

    /* --- NX CARDS --- */
    .nx-card {
        width: 100%;
        height: 360px;
    }

    .nx-card-wrap {
        gap: 24px;
    }

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

    .brand-slider {
        width: 100%;
    }
}


/* ============================================================
   ≤ 768px  (tablets portrait / large phones)
   ============================================================ */
@media (max-width: 768px) {

    /* --- HERO --- */
    .hero {
        padding: 90px 24px 52px;
        gap: 32px;
    }

    .hero h1 {
        letter-spacing: -1px;
        margin-bottom: 18px;
    }

    .hero-sub {
        font-size: 16px;
        margin-bottom: 32px;
    }

    .hero-stats {
        gap: 24px;
        margin-top: 36px;
        padding-top: 28px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-stat .number {
        font-size: 26px;
    }

    /* --- LEAD FORM --- */
    .lead-form-wrap {
        margin: 0;
    }

    .lead-form-header {
        padding: 20px 24px;
        flex-direction: column;
        align-items: flex-start;
    }

    .lead-form-body {
        padding: 24px;
    }

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

    .form-grid .form-group.full {
        grid-column: 1;
    }

    /* --- LOGOS STRIP --- */
    .logos-strip {
        padding: 28px 16px;
    }

    .logos-row {
        gap: 10px;
    }

    .logo-pill {
        padding: 8px 16px;
        font-size: 12px;
    }

    /* --- PROBLEMS --- */
    .problems-grid {
        grid-template-columns: 1fr;
        border-radius: 12px;
    }

    /* --- SECTIONS generic --- */
    section {
        padding: 60px 24px;
    }

    .section-title {
        letter-spacing: -1px;
    }

    .section-sub {
        font-size: 15px;
        margin-bottom: 40px;
    }

    /* --- HOW STEPS --- */
    .how-steps {
        grid-template-columns: 1fr;
        border-radius: 12px;
    }

    .step-arrow {
        display: none !important;
    }

    .step-number {
        font-size: 56px;
    }

    /* --- FEATURES --- */
    .features-layout {
        gap: 28px;
    }

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

    /* --- INDUSTRIES --- */
    .industries-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        margin-top: 40px;
    }

    .industry-card {
        padding: 24px 16px;
    }

    .industry-icon img {
        width: 56px;
        height: 56px;
    }

    /* --- TESTIMONIALS --- */
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .testimonial-card:last-child {
        grid-column: auto;
    }

    /* --- CTA / HBR --- */
    .hbr-wrapper-section {
        padding: 56px 0;
    }

    .hbr-panel-card {
        padding: 40px 28px;
        border-radius: 20px;
    }

    .hbr-title-headline {
        letter-spacing: -1.5px;
        margin-bottom: 18px;
    }

    .hbr-text-subtitle {
        font-size: 15px;
        margin-bottom: 36px;
    }

    .hbr-group-actions {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        margin-bottom: 36px;
    }

    .hbr-btn-primary,
    .hbr-btn-ghost {
        width: 100%;
        justify-content: center;
    }

    .hbr-row-trust {
        flex-wrap: wrap;
        gap: 6px;
    }

    .hbr-stack-metrics {
        margin-top: 36px;
    }

    .hbr-card-metric {
        padding: 16px 18px;
    }

    /* --- FOOTER --- */
    .dh-footer {
        padding: 45px 0 20px;
    }

    .dh-footer .row {
        row-gap: 25px;
    }

    .dh-brand-logo img {
        width: 120px;
    }

    .dh-brand-desc {
        font-size: 13px;
    }

    .dh-contact-item {
        gap: 8px;
    }

    .dh-contact-icon {
        width: 28px;
        height: 28px;
    }

    .dh-col-links li a {
        font-size: 13px;
    }

    .dh-social-btn {
        padding: 8px 12px;
    }

    .dh-footer-bottom {
        text-align: left;
    }
    
    .footer-cta {
        flex-direction: column;
        align-items: flex-start;
        gap: 25px;
        text-align: left;
    }

    .footer-cta-email {
        font-size: 34px;
        line-height: 1.2;
    }

    .footer-cta-sub {
        font-size: 13px;
    }

    .footer-cta-btn {
        padding: 12px 16px;
    }

    /* ------------------------------------------------------------- BRAND */
    .brand-inner {
        flex-direction: column;
        gap: 25px;
    }

    .brand-text {
        font-size: 18px;
    }

    .brand-text span {
        font-size: 26px;
    }

    .brand-track {
        gap: 30px;
    }
}


/* ============================================================
   ≤ 576px  (mobile phones)
   ============================================================ */
@media (max-width: 576px) {

    /* --- HERO --- */
    .hero {
        padding: 80px 16px 44px;
        gap: 28px;
    }

    .hero-badge {
        font-size: 11px;
        padding: 5px 12px;
    }

    .hero h1 {
        letter-spacing: -0.8px;
    }

    .hero-sub {
        font-size: 15px;
        margin-bottom: 28px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .btn-primary,
    .btn-ghost {
        width: 100%;
        justify-content: center;
        font-size: 15px;
        padding: 14px 24px;
    }

    .hero-stats {
        gap: 20px;
        margin-top: 28px;
        padding-top: 22px;
    }

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

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

    /* --- LEAD FORM --- */
    .lead-form-header {
        padding: 16px 18px;
    }

    .lead-form-header-left h3 {
        font-size: 16px;
    }

    .lead-form-body {
        padding: 18px 16px;
    }

    .form-input,
    .form-select {
        font-size: 14px;
        padding: 12px 14px;
    }

    .form-submit {
        font-size: 15px;
        padding: 14px 24px;
    }

    /* --- LOGOS STRIP --- */
    .logos-strip {
        padding: 24px 14px;
    }

    .logos-label {
        font-size: 10px;
        letter-spacing: 1.5px;
        margin-bottom: 18px;
    }

    .logos-row {
        gap: 8px;
    }

    .logo-pill {
        padding: 6px 12px;
        font-size: 11px;
    }

    /* --- SECTIONS generic --- */
    section {
        padding: 48px 16px;
    }

    .section-tag {
        font-size: 10px;
        letter-spacing: 2px;
    }

    .section-sub {
        font-size: 14px;
        margin-bottom: 32px;
    }

    /* --- PROBLEMS --- */
    .problem-card {
        padding: 28px 20px;
    }

    .problem-icon {
        width: 42px;
        height: 42px;
        font-size: 18px;
    }

    .problem-card h3 {
        font-size: 17px;
    }

    .problem-card p {
        font-size: 14px;
    }

    /* --- NX CARDS / SOLUTIONS --- */
    .nx-card {
        height: 300px;
        border-radius: 18px;
    }

    .nx-card-title {
        font-size: 17px;
    }

    /* --- HOW STEPS --- */
    .step {
        padding: 32px 20px;
    }

    .step-number {
        font-size: 44px;
        margin-bottom: 14px;
    }

    .step h3 {
        font-size: 16px;
    }

    .step p {
        font-size: 13px;
    }

    /* --- FEATURES --- */
    .feature-item {
        padding: 18px 16px;
        gap: 14px;
    }

    .feature-icon {
        width: 38px;
        height: 38px;
        min-width: 38px;
        font-size: 17px;
    }

    .feature-text h4 {
        font-size: 15px;
    }

    .feature-text p {
        font-size: 13px;
    }

    .showcase-body {
        padding: 20px;
    }

    .showcase-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .showcase-card {
        padding: 14px;
    }

    .showcase-card-value {
        font-size: 20px;
    }

    /* --- INDUSTRIES --- */
    .industries-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
        margin-top: 32px;
    }

    .industry-card {
        padding: 20px 12px;
        border-radius: 10px;
    }

    .industry-icon img {
        width: 46px;
        height: 46px;
        margin-bottom: 14px;
    }

    .industry-card h4 {
        font-size: 14px;
    }

    .industry-card p {
        font-size: 12px;
    }

    /* --- TESTIMONIALS --- */
    .testimonial-card {
        padding: 28px 22px;
        border-radius: 12px;
    }

    .testimonial-card::before {
        font-size: 60px;
        top: 14px;
        right: 18px;
    }

    .testimonial-text {
        font-size: 14px;
    }

    .author-avatar {
        width: 38px;
        height: 38px;
        font-size: 12px;
    }

    .author-name {
        font-size: 13px;
    }

    .author-role {
        font-size: 11px;
    }

    /* --- CTA / HBR --- */
    .hbr-wrapper-section {
        padding: 40px 0;
    }

    .hbr-panel-card {
        padding: 32px 20px;
        border-radius: 16px;
    }

    .hbr-tag-eyebrow {
        font-size: 10.5px;
        padding: 4px 12px 4px 8px;
        margin-bottom: 22px;
    }

    .hbr-title-headline {
        letter-spacing: -1px;
        margin-bottom: 16px;
    }

    .hbr-text-subtitle {
        font-size: 14px;
        margin-bottom: 28px;
    }

    .hbr-btn-primary,
    .hbr-btn-ghost {
        font-size: 14px;
        padding: 13px 22px;
    }

    .hbr-card-metric {
        padding: 14px 14px;
        border-radius: 10px;
        gap: 12px;
    }

    .hbr-text-metavalue {
        font-size: 18px;
    }

    .hbr-box-icon {
        width: 36px;
        height: 36px;
        border-radius: 8px;
    }

    .hbr-box-icon svg {
        width: 17px;
        height: 17px;
    }

    .hbr-badge-delta {
        font-size: 10.5px;
        padding: 2px 7px;
    }

    /* --- FOOTER --- */
    .dh-footer {
        padding: 40px 0 15px;
    }

    /* Stack columns cleanly */
    .dh-footer .row>div {
        width: 100%;
        flex: 0 0 100%;
    }

    .dh-brand-logo img {
        width: 110px;
    }

    .dh-brand-desc {
        font-size: 12.8px;
        line-height: 1.7;
    }

    .dh-contact-label {
        font-size: 9px;
    }

    .dh-contact-value {
        font-size: 12.5px;
    }

    .dh-col-heading {
        font-size: 10px;
        letter-spacing: 1.5px;
    }

    .dh-col-links {
        gap: 8px;
    }

    .dh-col-links li a {
        font-size: 12.8px;
    }

    .dh-social-btn {
        width: 100%;
        justify-content: flex-start;
    }

    /* Footer bottom fully stacked */
    .dh-footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .dh-made-by,
    .dh-copyright {
        font-size: 12px;
    }
    
    .footer-cta {
        padding: 0px 15px 30px;
        gap: 20px;
    }

    .footer-cta-email {
        font-size: 26px;
        letter-spacing: -0.01em;
    }

    .footer-cta-sub {
        font-size: 12.5px;
    }

    .footer-cta-btn {
        width: 100%;
        justify-content: center;
        padding: 12px 14px;
        font-size: 12px;
    }

    .footer-cta-btn-icon {
        width: 26px;
        height: 26px;
    }

    .footer-cta-btn-icon svg {
        width: 12px;
        height: 12px;
    }

    /* ===== BRAND STRIP ===== */

    .brand-strip {
        padding: 20px 8px;
    }

    .brand-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
        padding: 20px;
        border-radius: 14px;
    }

    .brand-text {
        font-size: 16px;
        min-width: auto;
    }

    .brand-text span {
        font-size: 22px;
    }

    .brand-card {
        min-width: 120px;
    }

    .brand-card img {
        max-width: 120px;
    }

    .brand-track {
        gap: 25px;
        animation-duration: 14s;
    }
}