/*
=========================================================
Project      : UPI QR Studio
Website      : https://rsbusinesses0.github.io/UPI_QR_Studio/
Created By   : Sumit Kumar Shakya
Developer    : Solo Creator & Developer
Developed For: RS Businesses
GitHub       : https://github.com/sksumitkumarshakya
Contact      : sksumitkumarshakya@gmail.com

Description  : Stylesheet for the UPI QR Studio website.
               Supports the website's layout, responsive
               design, components, and visual presentation.

Year         : 2026
=========================================================
*/

/* ==========================================
   UPI QR STUDIO
   MOBILE-FIRST RESPONSIVE ADJUSTMENTS
   File: css/responsive.css
========================================== */

/* Prevent unwanted horizontal scrolling */
html {
    width: 100%;
    overflow-x: clip;
}

body {
    width: 100%;
    min-width: 320px;
    overflow-x: clip;
}

img,
canvas,
svg,
video,
iframe {
    max-width: 100%;
}

/* Tablets and smaller laptops */
@media (max-width: 850px) {
    .header-container {
        min-height: 66px;
    }

    .menu-toggle {
        display: block;
        flex-shrink: 0;
    }

    .main-navigation {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;

        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;

        max-height: calc(100dvh - 66px);
        padding: 12px 20px 22px;
        overflow-y: auto;

        background: #ffffff;
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
        box-shadow: 0 12px 24px rgba(16, 42, 67, 0.12);
    }

    .main-navigation.is-open {
        display: flex;
    }

    .nav-link {
        display: block;
        width: 100%;
        padding: 13px 8px;
        font-size: 14px;
        white-space: normal;
        border-bottom: 1px solid #edf1f5;
    }

    .nav-link.active::after {
        display: none;
    }

    .nav-button {
        align-self: flex-start;
        margin-top: 15px;
    }

    .qr-card {
        grid-template-columns: minmax(0, 1fr);
    }

    .features-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .safety-callout {
        align-items: flex-start;
        flex-direction: column;
    }

    .footer-container {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* Standard mobile phones */
@media (max-width: 600px) {
    /* Global spacing */
    body {
        font-size: 15px;
        line-height: 1.65;
    }

    .header-container {
        width: calc(100% - 28px);
        min-height: 62px;
        gap: 12px;
    }

    /* Logo */
    .logo {
        gap: 8px;
        font-size: 17px;
        letter-spacing: -0.3px;
    }

    .logo-icon {
        width: 36px;
        height: 36px;
        border-radius: 10px;
        font-size: 20px;
    }

    /* Hamburger menu */
    .menu-toggle {
        width: 42px;
        height: 42px;
        padding: 8px;
    }

    .main-navigation {
        max-height: calc(100dvh - 62px);
        padding: 10px 18px 20px;
    }

    /* Hero */
    .hero-section {
        padding: 54px 18px 48px;
    }

    .eyebrow {
        margin-bottom: 10px;
        font-size: 10px;
        letter-spacing: 1.4px;
    }

    .hero-content h1 {
        margin-bottom: 17px;
        font-size: clamp(32px, 8.8vw, 43px);
        line-height: 1.17;
        letter-spacing: -0.9px;
        overflow-wrap: break-word;
    }

    .hero-content > p:not(.hero-note) {
        font-size: 15px;
        line-height: 1.75;
    }

    .hero-actions {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 11px;
        margin-top: 23px;
    }

    .hero-actions .primary-button,
    .hero-actions .secondary-button {
        width: 100%;
        min-height: 47px;
        padding: 12px 16px;
        font-size: 14px;
    }

    .hero-note {
        margin-top: 17px;
        font-size: 12px;
        line-height: 1.6;
    }

    /* Section spacing and headings */
    .qr-section,
    .intro-section,
    .features-section {
        padding: 48px 16px;
    }

    .section-heading {
        margin-bottom: 25px;
    }

    .section-heading h2 {
        font-size: clamp(24px, 6.8vw, 30px);
        line-height: 1.3;
        letter-spacing: -0.5px;
    }

    .section-heading p {
        font-size: 14px;
        line-height: 1.7;
    }

    /* QR generator */
    .qr-card {
        display: grid;
        grid-template-columns: minmax(0, 1fr);
        gap: 22px;
        width: 100%;
        padding: 17px;
        border-radius: 12px;
    }

    #upiForm {
        width: 100%;
        min-width: 0;
        gap: 15px;
    }

    .form-group {
        width: 100%;
        min-width: 0;
        gap: 6px;
    }

    .form-group label {
        font-size: 13px;
    }

    .form-group input {
        width: 100%;
        min-width: 0;
        min-height: 47px;
        padding: 11px 12px;
        font-size: 16px;
        border-radius: 8px;
    }

    .full-button {
        width: 100%;
        min-height: 48px;
        padding: 12px;
        font-size: 14px;
    }

    .qr-result {
        width: 100%;
        min-width: 0;
        min-height: 235px;
        padding: 16px;
        overflow-wrap: anywhere;
    }

    .qr-result img,
    .qr-result canvas {
        width: auto;
        max-width: 100%;
        height: auto;
    }

    .qr-result p {
        font-size: 13px;
    }

    .security-note {
        margin-top: 15px;
        padding: 12px;
        font-size: 12px;
        line-height: 1.7;
        overflow-wrap: anywhere;
    }

    /* Introduction */
    .intro-content {
        font-size: 14px;
        line-height: 1.85;
    }

    .intro-content p + p {
        margin-top: 14px;
    }

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

    /* Feature cards */
    .features-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 14px;
    }

    .feature-card {
        display: grid;
        grid-template-columns: 46px minmax(0, 1fr);
        column-gap: 13px;
        align-items: start;
        padding: 18px;
        border-radius: 12px;
    }

    .feature-icon {
        grid-column: 1;
        grid-row: 1 / span 2;
        width: 44px;
        height: 44px;
        margin-bottom: 0;
        border-radius: 11px;
        font-size: 21px;
    }

    .feature-card h3 {
        grid-column: 2;
        margin: 1px 0 6px;
        font-size: 16px;
        line-height: 1.4;
    }

    .feature-card p {
        grid-column: 2;
        font-size: 13px;
        line-height: 1.7;
    }

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

    /* Safety callout */
    .safety-callout {
        width: calc(100% - 32px);
        gap: 18px;
        margin-bottom: 48px;
        padding: 22px 18px;
        border-radius: 12px;
    }

    .safety-callout h2 {
        font-size: 24px;
        line-height: 1.35;
        letter-spacing: -0.4px;
    }

    .safety-callout p {
        font-size: 14px;
        line-height: 1.75;
    }

    .safety-callout > .primary-button {
        width: 100%;
        min-height: 47px;
    }

    /* Footer */
    .footer-container {
        grid-template-columns: minmax(0, 1fr);
        gap: 27px;
        width: calc(100% - 36px);
        padding: 38px 0 30px;
    }

    .footer-logo {
        margin-bottom: 12px;
        font-size: 20px;
    }

    .footer-about p {
        max-width: 100%;
        font-size: 13px;
        line-height: 1.8;
    }

    .footer-column {
        gap: 9px;
    }

    .footer-column h3 {
        margin-bottom: 4px;
        font-size: 14px;
    }

    .footer-column a {
        padding: 2px 0;
        font-size: 13px;
    }

    .footer-bottom {
        padding: 17px 16px;
    }

    .footer-bottom p {
        font-size: 10px;
        line-height: 1.8;
        overflow-wrap: anywhere;
    }
}

/* Extra-small phones */
@media (max-width: 360px) {
    .header-container {
        width: calc(100% - 20px);
    }

    .logo {
        gap: 6px;
        font-size: 15px;
    }

    .logo-icon {
        width: 33px;
        height: 33px;
        font-size: 18px;
    }

    .hero-section {
        padding-inline: 14px;
    }

    .hero-content h1 {
        font-size: 31px;
    }

    .qr-section,
    .intro-section,
    .features-section {
        padding-inline: 12px;
    }

    .qr-card {
        padding: 13px;
    }

    .feature-card {
        grid-template-columns: 39px minmax(0, 1fr);
        column-gap: 10px;
        padding: 14px;
    }

    .feature-icon {
        width: 38px;
        height: 38px;
        font-size: 18px;
    }

    .safety-callout {
        width: calc(100% - 24px);
        padding: 18px 14px;
    }

    .footer-container {
        width: calc(100% - 28px);
    }
}

/* Landscape phones */
@media (max-width: 850px) and (orientation: landscape) {
    .main-navigation {
        max-height: 75dvh;
    }

    .hero-section {
        padding-top: 38px;
        padding-bottom: 38px;
    }
}

/* Accessibility: reduce motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}


/* =========================================================
   UPI QR STUDIO — RESPONSIVE SAFETY CENTER
   File: css/responsive.css
   These rules affect only .safety-center
   ========================================================= */

/* Smaller desktop and tablets */
@media (max-width: 1050px) {
    .safety-center .safety-hero-grid {
        gap: 25px;
    }

    .safety-center .safety-rule-grid,
    .safety-center .safety-process-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .safety-center .safety-scam-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .safety-center .safety-two-column {
        gap: 32px;
    }
}

/* Tablets and smaller screens */
@media (max-width: 800px) {
    .safety-center .safety-container {
        width: min(100% - 36px, 650px);
    }

    .safety-center .safety-hero {
        padding: 58px 0;
    }

    .safety-center .safety-hero-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 20px;
    }

    .safety-center .safety-hero-content {
        max-width: 650px;
    }

    .safety-center .safety-hero-visual {
        min-height: 300px;
        max-width: 500px;
        width: 100%;
        margin-inline: auto;
    }

    .safety-center .safety-orbit-one {
        width: 260px;
        height: 260px;
    }

    .safety-center .safety-orbit-two {
        width: 205px;
        height: 205px;
    }

    .safety-center .safety-shield {
        width: 145px;
        height: 165px;
    }

    .safety-center .safety-card-top {
        top: 18px;
        right: 0;
    }

    .safety-center .safety-card-bottom {
        bottom: 15px;
        left: 0;
    }

    .safety-center .safety-core-rules,
    .safety-center .safety-emergency,
    .safety-center .safety-scam-library,
    .safety-center .safety-pin-section,
    .safety-center .safety-payment-process,
    .safety-center .safety-merchant-section,
    .safety-center .safety-device-section,
    .safety-center .safety-faq-section,
    .safety-center .safety-resources-section {
        padding: 58px 0;
    }

    .safety-center .safety-two-column {
        grid-template-columns: minmax(0, 1fr);
        gap: 30px;
    }

    .safety-center .safety-device-grid,
    .safety-center .safety-resource-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .safety-center .safety-final-panel {
        align-items: flex-start;
        flex-direction: column;
    }
}

/* Mobile phones */
@media (max-width: 560px) {
    .safety-center .safety-container {
        width: calc(100% - 30px);
    }

    .safety-center {
        font-size: 15px;
    }

    .safety-center .safety-hero {
        padding: 42px 0 38px;
    }

    .safety-center .safety-hero h1 {
        font-size: clamp(35px, 10vw, 46px);
        letter-spacing: -1.4px;
    }

    .safety-center .safety-hero-description {
        font-size: 15px;
    }

    .safety-center .safety-hero-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .safety-center .safety-button {
        width: 100%;
    }

    .safety-center .safety-hero-visual {
        min-height: 265px;
    }

    .safety-center .safety-orbit-one {
        width: 220px;
        height: 220px;
    }

    .safety-center .safety-orbit-two {
        width: 175px;
        height: 175px;
    }

    .safety-center .safety-shield {
        width: 125px;
        height: 145px;
    }

    .safety-center .safety-floating-card {
        max-width: 195px;
        gap: 8px;
        padding: 10px;
    }

    .safety-center .safety-floating-icon {
        width: 29px;
        height: 29px;
    }

    .safety-center .safety-floating-card strong {
        font-size: 11px;
    }

    .safety-center .safety-floating-card small {
        font-size: 9px;
    }

    .safety-center .safety-card-top {
        top: 8px;
    }

    .safety-center .safety-card-bottom {
        bottom: 7px;
    }

    .safety-center .safety-core-rules,
    .safety-center .safety-emergency,
    .safety-center .safety-scam-library,
    .safety-center .safety-pin-section,
    .safety-center .safety-payment-process,
    .safety-center .safety-merchant-section,
    .safety-center .safety-device-section,
    .safety-center .safety-faq-section,
    .safety-center .safety-resources-section {
        padding: 45px 0;
    }

    .safety-center h2 {
        font-size: 27px;
    }

    .safety-center .safety-section-heading {
        margin-bottom: 25px;
    }

    .safety-center .safety-section-heading > p {
        font-size: 14px;
    }

    .safety-center .safety-rule-grid,
    .safety-center .safety-process-grid,
    .safety-center .safety-scam-grid,
    .safety-center .safety-device-grid,
    .safety-center .safety-resource-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 13px;
    }

    .safety-center .safety-rule-card,
    .safety-center .safety-process-card,
    .safety-center .safety-scam-card,
    .safety-center .safety-device-card,
    .safety-center .safety-resource-card {
        padding: 20px;
    }

    .safety-center .safety-emergency-panel {
        grid-template-columns: minmax(0, 1fr);
        gap: 18px;
        padding: 22px 18px;
    }

    .safety-center .safety-emergency-symbol {
        width: 48px;
        height: 48px;
        border-radius: 12px;
        font-size: 28px;
    }

    .safety-center .safety-emergency-actions {
        flex-direction: column;
    }

    .safety-center .safety-emergency-steps {
        grid-template-columns: minmax(0, 1fr);
        gap: 12px;
    }

    .safety-center .safety-emergency-step {
        padding: 16px;
    }

    .safety-center .safety-pin-item {
        gap: 12px;
        padding: 15px;
    }

    .safety-center .safety-pin-symbol {
        width: 43px;
        height: 41px;
    }

    .safety-center .safety-final-panel {
        padding: 23px 18px;
    }

    .safety-center .safety-final-panel h2 {
        font-size: 27px;
    }

    .safety-center .safety-disclaimer {
        font-size: 11px;
    }
}

/* Very narrow phones */
@media (max-width: 360px) {
    .safety-center .safety-container {
        width: calc(100% - 22px);
    }

    .safety-center .safety-hero h1 {
        font-size: 33px;
    }

    .safety-center .safety-floating-card {
        max-width: 175px;
        padding: 8px;
    }
}