/* =========================================================
   WEB SECURITY PAGE
   Cybersecurity Life
   ========================================================= */

main {
    --web-bg: #030914;
    --web-bg-soft: #071525;
    --web-panel: rgba(7, 23, 41, 0.9);
    --web-panel-soft: rgba(10, 33, 56, 0.75);
    --web-blue: #00bfff;
    --web-cyan: #5ce7ff;
    --web-green: #45ffb0;
    --web-purple: #8d7dff;
    --web-red: #ff647c;
    --web-orange: #ff9f43;
    --web-yellow: #ffd166;
    --web-text: #f4fbff;
    --web-muted: #aac0cf;
    --web-border: rgba(78, 222, 255, 0.22);
    --web-shadow: 0 0 32px rgba(0, 191, 255, 0.13);
    position: relative;
    overflow: hidden;
    color: var(--web-text);
    background:
        radial-gradient(circle at 12% 8%, rgba(0,191,255,.12), transparent 28%),
        radial-gradient(circle at 88% 18%, rgba(69,255,176,.08), transparent 26%),
        radial-gradient(circle at 48% 74%, rgba(141,125,255,.07), transparent 30%),
        linear-gradient(180deg, #020711 0%, #06101d 52%, #020811 100%);
    isolation: isolate;
}

main::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(0,191,255,.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,191,255,.055) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,.96), transparent 98%);
    animation: webGridMove 18s linear infinite;
}

main::after {
    content: "";
    position: fixed;
    inset: -45%;
    z-index: -3;
    pointer-events: none;
    background:
        repeating-linear-gradient(
            122deg,
            transparent 0,
            transparent 86px,
            rgba(0,191,255,.025) 87px,
            transparent 88px
        );
    animation: webBackgroundSweep 26s linear infinite;
}

main *,
main *::before,
main *::after {
    box-sizing: border-box;
}

main a {
    text-decoration: none;
}

.content-section,
.web-security-hero,
.web-summary-section {
    position: relative;
    z-index: 1;
}

.content-section {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
    padding: 96px 0;
}

.content-section + .content-section {
    border-top: 1px solid rgba(78,222,255,.07);
}

/* =========================================================
   SHARED HEADINGS
   ========================================================= */

.section-heading {
    max-width: 840px;
    margin: 0 auto 50px;
    text-align: center;
}

.section-label {
    display: inline-block;
    margin: 0 0 11px;
    color: var(--web-green);
    font-size: .76rem;
    font-weight: 900;
    letter-spacing: .18em;
    text-transform: uppercase;
}

.section-heading h2,
.http-content h2,
.attack-detail-content h2,
.waf-content h2,
.web-summary-content h2 {
    margin: 0 0 18px;
    font-size: clamp(2.1rem, 4.5vw, 3.5rem);
    line-height: 1.08;
    letter-spacing: -.04em;
    background: linear-gradient(90deg, #ffffff, #80e9ff 55%, #68ffc4);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.section-heading > p:last-child,
.http-content > p,
.attack-detail-content > p,
.waf-content > p,
.web-summary-content > p {
    color: var(--web-muted);
    font-size: 1.03rem;
    line-height: 1.8;
}

/* =========================================================
   HERO
   ========================================================= */

.web-security-hero {
    min-height: 760px;
    padding: 120px max(28px, calc((100vw - 1180px) / 2)) 95px;
    display: grid;
    align-items: center;
    overflow: hidden;
    background:
        radial-gradient(circle at 74% 42%, rgba(0,191,255,.12), transparent 28%),
        linear-gradient(180deg, rgba(2,8,18,.5), rgba(2,8,18,.88));
}

.web-security-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(rgba(69,255,176,.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,191,255,.07) 1px, transparent 1px);
    background-size: 54px 54px;
    transform: perspective(680px) rotateX(64deg) scale(1.55) translateY(28%);
    transform-origin: bottom;
    opacity: .75;
    animation: webHeroGrid 12s linear infinite;
}

.web-security-hero::after {
    content: "";
    position: absolute;
    right: 7%;
    top: 50%;
    width: min(430px, 38vw);
    aspect-ratio: 1;
    transform: translateY(-50%);
    border: 1px solid rgba(78,222,255,.26);
    border-radius: 50%;
    background:
        radial-gradient(circle, rgba(69,255,176,.12), transparent 38%),
        repeating-radial-gradient(circle, transparent 0 34px, rgba(78,222,255,.09) 35px 36px);
    box-shadow:
        0 0 60px rgba(0,191,255,.13),
        inset 0 0 50px rgba(69,255,176,.05);
    animation: webHeroOrb 7s ease-in-out infinite;
}

.web-hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    animation: webFadeUp .9s ease both;
}

.web-security-hero h1 {
    margin: 0;
    font-size: clamp(4rem, 9vw, 7.4rem);
    line-height: .95;
    letter-spacing: -.065em;
    text-transform: uppercase;
    background: linear-gradient(90deg, #fff, var(--web-cyan), var(--web-green));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 44px rgba(0,191,255,.13);
}

.hero-description {
    max-width: 680px;
    margin: 28px 0 0;
    color: #b6cbd8;
    font-size: clamp(1rem, 1.8vw, 1.17rem);
    line-height: 1.82;
}

.hero-buttons,
.summary-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 34px;
}

.primary-button,
.secondary-button {
    position: relative;
    min-height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 22px;
    border-radius: 8px;
    overflow: hidden;
    font-weight: 900;
    letter-spacing: .025em;
    transition:
        transform .25s ease,
        box-shadow .25s ease,
        border-color .25s ease,
        color .25s ease;
}

.primary-button {
    color: #00131b;
    background: linear-gradient(135deg, var(--web-cyan), var(--web-green));
    box-shadow: 0 0 25px rgba(0,191,255,.25);
}

.primary-button::before {
    content: "";
    position: absolute;
    inset: 0;
    transform: translateX(-120%);
    background: linear-gradient(110deg, transparent 25%, rgba(255,255,255,.55), transparent 70%);
    transition: transform .55s ease;
}

.primary-button:hover::before {
    transform: translateX(120%);
}

.secondary-button {
    color: #d4f8ff;
    border: 1px solid rgba(78,222,255,.44);
    background: rgba(2,14,27,.68);
}

.primary-button:hover,
.secondary-button:hover {
    transform: translateY(-3px);
}

.primary-button:hover {
    box-shadow: 0 0 35px rgba(0,191,255,.38);
}

.secondary-button:hover {
    color: #fff;
    border-color: var(--web-green);
    box-shadow: 0 0 24px rgba(69,255,176,.14);
}

/* =========================================================
   SHARED CARDS
   ========================================================= */

.web-introduction-card,
.web-architecture-card,
.http-card,
.web-vulnerability-card,
.code-example-card,
.xss-type-card,
.xss-prevention-box,
.authentication-card,
.secure-coding-item,
.security-header-table-wrapper,
.web-tool-card,
.waf-diagram,
.web-checklist-item,
.knowledge-check-list details {
    border: 1px solid var(--web-border);
    background:
        linear-gradient(145deg, rgba(11,31,53,.84), rgba(4,14,27,.92));
    box-shadow: var(--web-shadow);
    backdrop-filter: blur(10px);
}

.web-introduction-card,
.web-architecture-card,
.http-card,
.web-vulnerability-card,
.xss-type-card,
.authentication-card,
.secure-coding-item,
.web-tool-card,
.web-checklist-item,
.knowledge-check-list details {
    transition:
        transform .28s ease,
        border-color .28s ease,
        box-shadow .28s ease,
        background .28s ease;
}

.web-introduction-card:hover,
.web-architecture-card:hover,
.http-card:hover,
.web-vulnerability-card:hover,
.xss-type-card:hover,
.authentication-card:hover,
.secure-coding-item:hover,
.web-tool-card:hover,
.web-checklist-item:hover,
.knowledge-check-list details:hover {
    transform: translateY(-7px);
    border-color: rgba(69,255,176,.48);
    background:
        linear-gradient(145deg, rgba(12,41,64,.94), rgba(4,17,32,.96));
    box-shadow:
        0 0 34px rgba(0,191,255,.15),
        0 14px 38px rgba(0,0,0,.28);
}

/* =========================================================
   INTRODUCTION
   ========================================================= */

.web-introduction-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.web-introduction-card {
    min-height: 290px;
    padding: 30px;
    border-radius: 16px;
}

.card-icon {
    font-size: 2.35rem;
    filter: drop-shadow(0 0 10px rgba(0,191,255,.3));
}

.web-introduction-card h3,
.web-architecture-card h3,
.web-vulnerability-card h3,
.xss-type-card h3,
.authentication-card h3,
.secure-coding-item h3,
.web-tool-card h3,
.web-checklist-item h3 {
    margin: 20px 0 10px;
    font-size: 1.18rem;
}

.web-introduction-card p,
.web-architecture-card p,
.web-vulnerability-card p,
.xss-type-card p,
.authentication-card p,
.secure-coding-item p,
.web-tool-card p,
.web-checklist-item p {
    margin: 0;
    color: var(--web-muted);
    line-height: 1.72;
}

/* =========================================================
   ARCHITECTURE
   ========================================================= */

.web-architecture-section {
    width: 100%;
    max-width: none;
    padding-left: max(20px, calc((100vw - 1180px) / 2));
    padding-right: max(20px, calc((100vw - 1180px) / 2));
    background:
        radial-gradient(circle at 50% 50%, rgba(0,191,255,.05), transparent 40%);
}

.web-architecture-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.web-architecture-card {
    position: relative;
    min-height: 250px;
    padding: 27px;
    border-radius: 15px;
    overflow: hidden;
}

.architecture-number,
.xss-number {
    display: inline-grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(69,255,176,.35);
    border-radius: 50%;
    color: var(--web-green);
    font-size: .72rem;
    font-weight: 900;
    box-shadow: 0 0 16px rgba(69,255,176,.1);
}

.web-architecture-card::after {
    content: "";
    position: absolute;
    right: -45px;
    bottom: -45px;
    width: 120px;
    height: 120px;
    border: 1px solid rgba(78,222,255,.11);
    border-radius: 50%;
    animation: webCardRing 8s linear infinite;
}

/* =========================================================
   HTTP AND HTTPS
   ========================================================= */

.http-https-section {
    width: 100%;
    max-width: none;
    padding-left: max(20px, calc((100vw - 1180px) / 2));
    padding-right: max(20px, calc((100vw - 1180px) / 2));
    background:
        radial-gradient(circle at 75% 50%, rgba(69,255,176,.06), transparent 30%);
}

.http-layout {
    display: grid;
}

.http-content {
    max-width: 1050px;
    margin: 0 auto;
}

.http-comparison {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 34px;
}

.http-card {
    min-height: 360px;
    padding: 29px;
    border-radius: 16px;
}

.insecure-http {
    border-color: rgba(255,100,124,.26);
}

.secure-https {
    border-color: rgba(69,255,176,.28);
}

.http-icon {
    font-size: 2rem;
}

.http-card h3 {
    margin: 18px 0 10px;
    font-size: 1.35rem;
}

.http-card p,
.http-card li {
    color: var(--web-muted);
    line-height: 1.68;
}

.http-card ul {
    margin: 20px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 9px;
}

.http-card li {
    position: relative;
    padding-left: 22px;
}

.http-card li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--web-green);
}

/* =========================================================
   VULNERABILITIES
   ========================================================= */

.web-vulnerabilities-section {
    width: 100%;
    max-width: none;
    padding-left: max(20px, calc((100vw - 1180px) / 2));
    padding-right: max(20px, calc((100vw - 1180px) / 2));
    background:
        radial-gradient(circle at 18% 35%, rgba(255,100,124,.055), transparent 28%);
}

.web-vulnerability-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.web-vulnerability-card {
    position: relative;
    min-height: 280px;
    padding: 27px;
    border-radius: 15px;
    overflow: hidden;
}

.vulnerability-icon {
    font-size: 2rem;
    filter: drop-shadow(0 0 10px rgba(255,100,124,.25));
}

.web-vulnerability-card::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 2px;
    transform: translateX(-100%);
    background: linear-gradient(90deg, transparent, var(--web-red), transparent);
    animation: webCardScan 4.8s linear infinite;
}

/* =========================================================
   SQL INJECTION
   ========================================================= */

.sql-injection-section {
    width: 100%;
    max-width: none;
    padding-left: max(20px, calc((100vw - 1180px) / 2));
    padding-right: max(20px, calc((100vw - 1180px) / 2));
    background:
        radial-gradient(circle at 78% 50%, rgba(141,125,255,.07), transparent 30%);
}

.attack-detail-layout {
    display: grid;
    grid-template-columns: 1fr .95fr;
    gap: 48px;
    align-items: center;
}

.prevention-list {
    display: grid;
    gap: 13px;
    margin-top: 28px;
}

.prevention-item,
.xss-prevention-grid > div,
.waf-benefit {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    border: 1px solid rgba(78,222,255,.11);
    border-radius: 10px;
    background: rgba(0,0,0,.12);
}

.prevention-item > span,
.xss-prevention-grid span,
.waf-benefit > span {
    width: 28px;
    height: 28px;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    border-radius: 50%;
    color: #00170f;
    background: var(--web-green);
    box-shadow: 0 0 14px rgba(69,255,176,.22);
    font-weight: 900;
}

.prevention-item p,
.xss-prevention-grid p,
.waf-benefit p {
    margin: 0;
    color: var(--web-muted);
}

.code-example-card {
    border-radius: 16px;
    overflow: hidden;
}

.code-example-heading {
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 0 17px;
    border-bottom: 1px solid rgba(78,222,255,.12);
    background: rgba(0,0,0,.24);
}

.code-example-heading > span:first-child {
    color: #cdebf5;
    font-size: .8rem;
}

.code-status {
    padding: 6px 9px;
    border: 1px solid rgba(69,255,176,.3);
    border-radius: 999px;
    color: var(--web-green);
    background: rgba(69,255,176,.05);
    font-size: .65rem;
    font-weight: 900;
    text-transform: uppercase;
}

.code-example-card pre {
    margin: 0;
    padding: 28px;
    overflow-x: auto;
    background:
        linear-gradient(rgba(0,191,255,.025) 1px, transparent 1px),
        #030a12;
    background-size: 100% 29px;
}

.code-example-card code {
    color: #c5efff;
    font-family: Consolas, Monaco, monospace;
    line-height: 1.8;
}

.code-example-card > p {
    margin: 0;
    padding: 20px 26px 26px;
    color: var(--web-muted);
    line-height: 1.7;
}

/* =========================================================
   XSS
   ========================================================= */

.xss-type-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.xss-type-card {
    min-height: 250px;
    padding: 27px;
    border-radius: 15px;
}

.xss-prevention-box {
    margin-top: 26px;
    padding: 28px;
    border-radius: 16px;
}

.xss-prevention-box > h3 {
    margin: 0 0 20px;
    font-size: 1.25rem;
}

.xss-prevention-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 13px;
}

/* =========================================================
   AUTHENTICATION
   ========================================================= */

.authentication-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.authentication-card {
    min-height: 260px;
    padding: 27px;
    border-radius: 15px;
}

/* =========================================================
   SECURE CODING
   ========================================================= */

.secure-coding-section {
    width: 100%;
    max-width: none;
    padding-left: max(20px, calc((100vw - 1100px) / 2));
    padding-right: max(20px, calc((100vw - 1100px) / 2));
    background:
        radial-gradient(circle at 50% 50%, rgba(0,191,255,.05), transparent 35%);
}

.secure-coding-checklist,
.web-security-checklist {
    display: grid;
    gap: 15px;
    max-width: 980px;
    margin: 0 auto;
}

.secure-coding-item,
.web-checklist-item {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    padding: 22px;
    border-radius: 13px;
}

.secure-coding-item > span,
.web-checklist-item > span {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    border: 1px solid rgba(69,255,176,.34);
    border-radius: 50%;
    color: var(--web-green);
    font-size: .72rem;
    font-weight: 900;
}

/* =========================================================
   SECURITY HEADERS
   ========================================================= */

.security-headers-section {
    width: 100%;
    max-width: none;
    padding-left: max(20px, calc((100vw - 1050px) / 2));
    padding-right: max(20px, calc((100vw - 1050px) / 2));
}

.security-header-table-wrapper {
    border-radius: 16px;
    overflow-x: auto;
}

.security-header-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 700px;
}

.security-header-table th,
.security-header-table td {
    padding: 18px 20px;
    text-align: left;
    border-bottom: 1px solid rgba(78,222,255,.1);
}

.security-header-table th {
    color: var(--web-green);
    background: rgba(0,0,0,.2);
    font-size: .78rem;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.security-header-table td {
    color: var(--web-muted);
    line-height: 1.6;
}

.security-header-table td:first-child {
    color: #d5f5ff;
    font-family: Consolas, Monaco, monospace;
}

.security-header-table tr {
    transition: background .25s ease;
}

.security-header-table tbody tr:hover {
    background: rgba(0,191,255,.05);
}

/* =========================================================
   TOOLS
   ========================================================= */

.web-tools-section {
    width: 100%;
    max-width: none;
    padding-left: max(20px, calc((100vw - 1180px) / 2));
    padding-right: max(20px, calc((100vw - 1180px) / 2));
    background:
        radial-gradient(circle at 82% 30%, rgba(69,255,176,.06), transparent 28%);
}

.web-tool-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.web-tool-card {
    min-height: 260px;
    padding: 26px;
    border-radius: 15px;
}

.tool-heading {
    display: flex;
    align-items: center;
    gap: 14px;
}

.tool-icon {
    font-size: 2rem;
}

.tool-heading h3 {
    margin: 0 0 4px;
}

.tool-category {
    margin: 0;
    color: var(--web-green) !important;
    font-size: .7rem;
    font-weight: 900;
    letter-spacing: .08em;
    text-transform: uppercase;
}

/* =========================================================
   WAF
   ========================================================= */

.waf-section {
    width: 100%;
    max-width: none;
    padding-left: max(20px, calc((100vw - 1180px) / 2));
    padding-right: max(20px, calc((100vw - 1180px) / 2));
    background:
        radial-gradient(circle at 72% 50%, rgba(0,191,255,.07), transparent 30%);
}

.waf-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.waf-benefits {
    display: grid;
    gap: 13px;
    margin-top: 28px;
}

.waf-diagram {
    padding: 38px 26px;
    border-radius: 17px;
    display: grid;
    grid-template-columns: 1fr auto 1.25fr auto 1fr;
    align-items: center;
    gap: 14px;
    overflow: hidden;
}

.waf-node {
    min-height: 94px;
    display: grid;
    place-items: center;
    padding: 15px;
    border: 1px solid rgba(78,222,255,.22);
    border-radius: 13px;
    text-align: center;
    background: rgba(0,0,0,.16);
    box-shadow: 0 0 18px rgba(0,191,255,.07);
}

.firewall-node {
    color: var(--web-green);
    border-color: rgba(69,255,176,.32);
    box-shadow: 0 0 24px rgba(69,255,176,.12);
    animation: webFirewallPulse 2.7s ease-in-out infinite;
}

.waf-arrow {
    color: var(--web-cyan);
    font-size: 1.8rem;
    animation: webArrowMove 1.4s ease-in-out infinite;
}

/* =========================================================
   CHECKLIST
   ========================================================= */

.web-checklist-section {
    width: 100%;
    max-width: none;
    padding-left: max(20px, calc((100vw - 1050px) / 2));
    padding-right: max(20px, calc((100vw - 1050px) / 2));
}

/* =========================================================
   KNOWLEDGE CHECK
   ========================================================= */

.knowledge-check-section {
    width: 100%;
    max-width: none;
    padding-left: max(20px, calc((100vw - 900px) / 2));
    padding-right: max(20px, calc((100vw - 900px) / 2));
}

.knowledge-check-list {
    display: grid;
    gap: 14px;
}

.knowledge-check-list details {
    border-radius: 12px;
    overflow: hidden;
}

.knowledge-check-list summary {
    cursor: pointer;
    padding: 18px 20px;
    color: #d7f5ff;
    font-weight: 900;
    list-style: none;
}

.knowledge-check-list summary::-webkit-details-marker {
    display: none;
}

.knowledge-check-list summary::after {
    content: "+";
    float: right;
    color: var(--web-green);
    font-size: 1.2rem;
}

.knowledge-check-list details[open] summary::after {
    content: "−";
}

.knowledge-check-list details p {
    margin: 0;
    padding: 0 20px 20px;
    color: var(--web-muted);
    line-height: 1.7;
}

/* =========================================================
   SUMMARY
   ========================================================= */

.web-summary-section {
    min-height: 520px;
    padding: 110px max(24px, calc((100vw - 950px) / 2));
    display: grid;
    place-items: center;
    text-align: center;
    overflow: hidden;
    background:
        radial-gradient(circle at 50% 50%, rgba(0,191,255,.12), transparent 38%),
        linear-gradient(180deg, rgba(4,13,25,.8), #02070f);
}

.web-summary-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(69,255,176,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,191,255,.055) 1px, transparent 1px);
    background-size: 38px 38px;
    transform: perspective(700px) rotateX(67deg) scale(1.6) translateY(31%);
    transform-origin: bottom;
    animation: webHeroGrid 12s linear infinite;
}

.web-summary-section::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 460px;
    height: 460px;
    transform: translate(-50%, -50%);
    border: 1px solid rgba(66,220,255,.13);
    border-radius: 50%;
    box-shadow:
        0 0 60px rgba(0,191,255,.08),
        inset 0 0 60px rgba(69,255,176,.03);
    animation: webSummaryRing 7s ease-in-out infinite;
}

.web-summary-content {
    position: relative;
    z-index: 2;
    max-width: 850px;
}

.summary-buttons {
    justify-content: center;
}

/* =========================================================
   ANIMATIONS
   ========================================================= */

@keyframes webGridMove {
    from { background-position: 0 0, 0 0; }
    to { background-position: 44px 44px, 44px 44px; }
}

@keyframes webBackgroundSweep {
    from { transform: translate3d(-7%, -7%, 0) rotate(0deg); }
    to { transform: translate3d(7%, 7%, 0) rotate(3deg); }
}

@keyframes webHeroGrid {
    from { background-position: 0 0, 0 0; }
    to { background-position: 0 54px, 54px 0; }
}

@keyframes webHeroOrb {
    0%,100% {
        transform: translateY(-50%) scale(.96) rotate(0deg);
        opacity: .7;
    }
    50% {
        transform: translateY(-53%) scale(1.05) rotate(6deg);
        opacity: 1;
    }
}

@keyframes webFadeUp {
    from { opacity: 0; transform: translateY(28px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes webCardRing {
    to { transform: rotate(360deg); }
}

@keyframes webCardScan {
    from { transform: translateX(-100%); }
    to { transform: translateX(100%); }
}

@keyframes webFirewallPulse {
    0%,100% {
        transform: scale(1);
        box-shadow: 0 0 20px rgba(69,255,176,.1);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 34px rgba(69,255,176,.24);
    }
}

@keyframes webArrowMove {
    0%,100% { transform: translateX(0); opacity: .65; }
    50% { transform: translateX(7px); opacity: 1; }
}

@keyframes webSummaryRing {
    0%,100% {
        transform: translate(-50%, -50%) scale(.94);
        opacity: .45;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.08);
        opacity: .9;
    }
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 1100px) {
    .web-security-hero {
        min-height: 700px;
        text-align: center;
    }

    .web-security-hero::after {
        right: 50%;
        top: 62%;
        transform: translate(50%, -50%);
        width: 390px;
        opacity: .55;
    }

    .web-hero-content {
        margin: 0 auto;
    }

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

    .web-introduction-grid,
    .web-architecture-grid,
    .web-vulnerability-grid,
    .authentication-grid,
    .web-tool-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .attack-detail-layout,
    .waf-layout {
        grid-template-columns: 1fr;
    }

    .waf-diagram {
        max-width: 760px;
        margin: 0 auto;
    }
}

@media (max-width: 800px) {
    .content-section {
        width: min(100% - 28px, 1180px);
        padding: 76px 0;
    }

    .web-security-hero {
        min-height: auto;
        padding: 92px 18px 80px;
    }

    .web-security-hero h1 {
        font-size: clamp(3.2rem, 17vw, 5rem);
    }

    .web-security-hero::after {
        width: 300px;
    }

    .hero-buttons,
    .summary-buttons {
        flex-direction: column;
    }

    .primary-button,
    .secondary-button {
        width: 100%;
    }

    .web-introduction-grid,
    .web-architecture-grid,
    .http-comparison,
    .web-vulnerability-grid,
    .xss-type-grid,
    .authentication-grid,
    .web-tool-grid,
    .xss-prevention-grid {
        grid-template-columns: 1fr;
    }

    .waf-diagram {
        grid-template-columns: 1fr;
    }

    .waf-arrow {
        transform: rotate(90deg);
        justify-self: center;
    }

    .web-summary-section {
        padding-left: 18px;
        padding-right: 18px;
    }
}

@media (max-width: 520px) {
    .web-security-hero::after {
        width: 230px;
        top: 65%;
    }

    .web-introduction-card,
    .web-architecture-card,
    .http-card,
    .web-vulnerability-card,
    .xss-type-card,
    .authentication-card,
    .web-tool-card {
        padding: 23px;
    }

    .secure-coding-item,
    .web-checklist-item {
        padding: 18px;
    }

    .code-example-card pre {
        padding: 20px;
        font-size: .82rem;
    }

    .security-header-table-wrapper {
        margin: 0 -2px;
    }
}

@media (prefers-reduced-motion: reduce) {
    main *,
    main *::before,
    main *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
    }
}