@font-face {
    font-family: "YekanBakh";
    src: url("../fonts/YekanBakh/fonnts.com-YekanBakh-Regular.ttf") format("truetype");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "YekanBakh";
    src: url("../fonts/YekanBakh/fonnts.com-YekanBakh-Bold.ttf") format("truetype");
    font-weight: 700 900;
    font-style: normal;
    font-display: swap;
}

/* ==========================================================================
   Guardix marketing website (V2) — corporate / enterprise theme
   ========================================================================== */

:root {
    /* Corporate blue palette */
    --brand-900: #0a2540;
    --brand-800: #0e3057;
    --brand-700: #143d6b;
    --brand-600: #1b4f8a;
    --brand-500: #2563a8;
    --brand-400: #3d82c9;
    --accent: #0ea5a5;          /* teal accent */
    --accent-dark: #0b8080;
    --gold: #c99a3d;

    --ink: #0f1e30;
    --body: #33465c;
    --muted: #6b7c92;
    --line: #e2e8f0;
    --line-strong: #cbd6e2;
    --paper: #f5f7fa;
    --paper-2: #eef2f7;
    --surface: #ffffff;

    --ok: #16a34a;
    --danger: #dc2626;

    --font-main: "YekanBakh", "IRANSansWeb", Tahoma, Arial, sans-serif;

    --fs-xs: .76rem;
    --fs-sm: .85rem;
    --fs-base: .95rem;
    --fs-lg: 1.08rem;
    --fs-xl: 1.3rem;

    --radius: 14px;
    --radius-sm: 10px;
    --shadow-sm: 0 1px 2px rgba(15, 30, 48, .06), 0 1px 3px rgba(15, 30, 48, .08);
    --shadow: 0 10px 30px -12px rgba(10, 37, 64, .28);
    --shadow-lg: 0 24px 60px -20px rgba(10, 37, 64, .35);
    --container: 1200px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--surface);
    color: var(--body);
    font-family: var(--font-main);
    font-size: var(--fs-base);
    line-height: 1.9;
    -webkit-font-smoothing: antialiased;
}

button,
input,
select,
textarea {
    font-family: var(--font-main);
}

a {
    text-decoration: none;
    color: var(--brand-600);
}

h1, h2, h3, h4, h5, h6 {
    color: var(--ink);
    line-height: 1.4;
}

img { max-width: 100%; }

.container {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: 1.25rem;
}

.eyebrow {
    display: inline-block;
    margin: 0 0 .85rem;
    color: var(--accent-dark);
    font-weight: 800;
    font-size: var(--fs-sm);
    letter-spacing: .04em;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .35rem .85rem;
    margin-bottom: 1rem;
    border-radius: 999px;
    background: rgba(14, 165, 165, .1);
    color: var(--accent-dark);
    font-weight: 800;
    font-size: var(--fs-xs);
    letter-spacing: .03em;
}

.section-tag::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
}

/* ============================= Buttons ============================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    border-radius: var(--radius-sm);
    padding: .8rem 1.5rem;
    font-weight: 800;
    font-size: var(--fs-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
    line-height: 1;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--brand-600);
    border-color: var(--brand-600);
    color: #fff;
    box-shadow: 0 12px 24px -12px rgba(27, 79, 138, .7);
}

.btn-primary:hover {
    background: var(--brand-700);
    color: #fff;
}

.btn-accent {
    background: var(--accent);
    border-color: var(--accent);
    color: #04262a;
    box-shadow: 0 12px 24px -12px rgba(14, 165, 165, .7);
}

.btn-accent:hover {
    background: var(--accent-dark);
    color: #fff;
}

.btn-outline {
    background: transparent;
    border-color: var(--line-strong);
    color: var(--ink);
}

.btn-outline:hover {
    border-color: var(--brand-500);
    color: var(--brand-600);
}

.btn-ghost-light {
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .35);
    color: #fff;
}

.btn-ghost-light:hover {
    background: rgba(255, 255, 255, .16);
    color: #fff;
}

.btn-lg {
    padding: 1rem 1.9rem;
    font-size: var(--fs-base);
}

/* ============================= Header ============================= */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, .9);
    backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--line);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    min-height: 74px;
    position: relative;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    gap: .7rem;
    color: var(--ink);
}

.brand-mark:hover {
    color: var(--ink);
}

.brand-symbol {
    width: 44px;
    height: 44px;
    display: inline-grid;
    place-items: center;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--brand-600), var(--brand-800));
    color: #fff;
    font-weight: 900;
    font-size: 1.35rem;
    box-shadow: 0 8px 18px -8px rgba(20, 61, 107, .8);
}

.brand-text strong {
    display: block;
    font-size: 1.2rem;
    font-weight: 900;
    letter-spacing: .02em;
    line-height: 1.2;
    color: var(--ink);
}

.brand-text small {
    display: block;
    color: var(--muted);
    font-size: var(--fs-xs);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: .35rem;
    margin-inline-start: auto;
}

.main-nav a {
    color: var(--body);
    font-weight: 700;
    font-size: var(--fs-sm);
    padding: .5rem .85rem;
    border-radius: 8px;
    transition: background .15s ease, color .15s ease;
}

.main-nav a:hover,
.main-nav a.active {
    background: var(--paper-2);
    color: var(--brand-700);
}

.header-cta {
    display: flex;
    align-items: center;
    gap: .6rem;
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line-strong);
    border-radius: 10px;
    background: #fff;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 4px;
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
}

/* ============================= Hero ============================= */

.hero {
    position: relative;
    background: radial-gradient(1200px 600px at 85% -10%, rgba(14, 165, 165, .18), transparent 60%),
                linear-gradient(160deg, var(--brand-900) 0%, var(--brand-800) 55%, var(--brand-700) 100%);
    color: #fff;
    overflow: hidden;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(900px 500px at 80% 0%, #000, transparent 75%);
    pointer-events: none;
}

.hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 3rem;
    align-items: center;
    padding: 4.5rem 0 4rem;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .4rem 1rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .2);
    color: rgba(255, 255, 255, .92);
    font-size: var(--fs-xs);
    font-weight: 700;
    margin-bottom: 1.4rem;
}

.hero-tag::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 4px rgba(14, 165, 165, .25);
}

.hero h1 {
    margin: 0;
    color: #fff;
    font-size: clamp(2.1rem, 4vw, 3.5rem);
    font-weight: 900;
    line-height: 1.3;
}

.hero h1 .hl {
    color: #7fe3e3;
}

.hero-copy {
    margin: 1.3rem 0 0;
    max-width: 560px;
    color: rgba(255, 255, 255, .82);
    font-size: var(--fs-lg);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .85rem;
    margin-top: 2rem;
}

.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 2.4rem;
    padding-top: 1.6rem;
    border-top: 1px solid rgba(255, 255, 255, .14);
}

.hero-trust div strong {
    display: block;
    font-size: 1.7rem;
    font-weight: 900;
    color: #fff;
}

.hero-trust div span {
    color: rgba(255, 255, 255, .7);
    font-size: var(--fs-xs);
}

/* Hero visual — a mock control-panel card */
.hero-visual {
    position: relative;
}

.hero-panel {
    background: rgba(255, 255, 255, .07);
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 18px;
    padding: 1.1rem;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(6px);
}

.hero-panel-bar {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding-bottom: .9rem;
    margin-bottom: .9rem;
    border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.hero-panel-bar i {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .35);
}

.hero-panel-bar span {
    margin-inline-start: auto;
    font-size: var(--fs-xs);
    color: rgba(255, 255, 255, .6);
}

.hero-stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .7rem;
}

.hero-stat {
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 12px;
    padding: .9rem 1rem;
}

.hero-stat .k {
    font-size: var(--fs-xs);
    color: rgba(255, 255, 255, .65);
}

.hero-stat .v {
    font-size: 1.5rem;
    font-weight: 900;
    color: #fff;
}

.hero-stat .v.accent { color: #7fe3e3; }
.hero-stat .v.gold   { color: #f0c674; }

.hero-bars {
    display: flex;
    align-items: flex-end;
    gap: 6px;
    height: 60px;
    margin-top: 1rem;
    padding: 0 .2rem;
}

.hero-bars i {
    flex: 1;
    background: linear-gradient(180deg, #7fe3e3, rgba(14, 165, 165, .35));
    border-radius: 4px 4px 0 0;
}

/* ============================= Sections ============================= */

.section {
    padding: 5rem 0;
}

.section-light {
    background: var(--paper);
}

.section-tint {
    background: linear-gradient(180deg, var(--paper) 0%, #fff 100%);
}

.section-head {
    max-width: 720px;
    margin: 0 auto 3rem;
    text-align: center;
}

.section-head.start {
    margin-inline: 0;
    text-align: start;
}

.section-head h2 {
    margin: 0;
    font-size: clamp(1.7rem, 3vw, 2.5rem);
    font-weight: 900;
}

.section-head p {
    margin: 1rem 0 0;
    color: var(--muted);
    font-size: var(--fs-lg);
}

/* ============================= Feature cards ============================= */

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.2rem;
}

.feature-card {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.6rem;
    box-shadow: var(--shadow-sm);
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--line-strong);
}

.feature-card .ic {
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    border-radius: 13px;
    font-size: 1.5rem;
    margin-bottom: 1.1rem;
    background: linear-gradient(135deg, rgba(27, 79, 138, .12), rgba(14, 165, 165, .12));
    color: var(--brand-600);
}

.feature-card h3 {
    margin: 0 0 .6rem;
    font-size: var(--fs-xl);
    font-weight: 900;
}

.feature-card p {
    margin: 0;
    color: var(--muted);
    font-size: var(--fs-sm);
}

.feature-card.is-new::after {
    content: "جدید";
    position: absolute;
    top: 1.1rem;
    inset-inline-end: 1.1rem;
    background: var(--accent);
    color: #04262a;
    font-size: var(--fs-xs);
    font-weight: 900;
    padding: .2rem .6rem;
    border-radius: 999px;
}

.feature-card.is-new {
    border-color: rgba(14, 165, 165, .4);
    background: linear-gradient(180deg, rgba(14, 165, 165, .05), #fff 60%);
}

/* ============================= Stats band ============================= */

.stats-band {
    background: var(--brand-800);
    color: #fff;
    padding: 3.2rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    text-align: center;
}

.stats-grid .num {
    font-size: 2.6rem;
    font-weight: 900;
    color: #fff;
    line-height: 1;
}

.stats-grid .num .accent { color: #7fe3e3; }

.stats-grid .lbl {
    margin-top: .6rem;
    color: rgba(255, 255, 255, .72);
    font-size: var(--fs-sm);
}

/* ============================= Split / Why ============================= */

.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
    align-items: center;
}

.check-list {
    display: grid;
    gap: 1.1rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.check-list li {
    display: flex;
    gap: .9rem;
    align-items: flex-start;
}

.check-list .ic {
    flex: none;
    width: 30px;
    height: 30px;
    border-radius: 9px;
    display: grid;
    place-items: center;
    background: rgba(22, 163, 74, .12);
    color: var(--ok);
    font-weight: 900;
}

.check-list strong {
    display: block;
    color: var(--ink);
    font-size: var(--fs-lg);
}

.check-list span {
    color: var(--muted);
    font-size: var(--fs-sm);
}

.media-frame {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.media-frame img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ============================= Modules / list rows ============================= */

.module-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.module-item {
    display: flex;
    align-items: center;
    gap: .85rem;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    padding: 1rem 1.15rem;
    font-weight: 700;
    color: var(--ink);
    box-shadow: var(--shadow-sm);
}

.module-item .ic {
    flex: none;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    background: var(--paper-2);
    color: var(--brand-600);
    font-size: 1.05rem;
}

/* ============================= Industries ============================= */

.industry-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.2rem;
}

.industry-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
    padding: 2rem 1.6rem;
    color: #fff;
    background: linear-gradient(160deg, var(--brand-700), var(--brand-900));
    min-height: 210px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    box-shadow: var(--shadow);
}

.industry-card .badge-top {
    position: absolute;
    top: 1.3rem;
    inset-inline-start: 1.6rem;
    font-size: var(--fs-xs);
    color: #7fe3e3;
    font-weight: 800;
    letter-spacing: .05em;
}

.industry-card h3 {
    color: #fff;
    margin: 0 0 .5rem;
    font-size: var(--fs-xl);
    font-weight: 900;
}

.industry-card p {
    margin: 0;
    color: rgba(255, 255, 255, .78);
    font-size: var(--fs-sm);
}

/* ============================= Logos ============================= */

.logo-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.logo-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    padding: 1.4rem 1rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.logo-card strong {
    display: block;
    font-size: 1.2rem;
    color: var(--ink);
    letter-spacing: .04em;
}

.logo-card span {
    color: var(--muted);
    font-size: var(--fs-xs);
}

/* ============================= Pricing ============================= */

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.4rem;
    align-items: stretch;
}

.pricing-card {
    display: flex;
    flex-direction: column;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 2rem 1.7rem;
    box-shadow: var(--shadow-sm);
}

.pricing-card.featured {
    border-color: var(--brand-500);
    box-shadow: var(--shadow-lg);
    position: relative;
}

.pricing-card.featured::before {
    content: "پیشنهاد اصلی";
    position: absolute;
    top: -14px;
    inset-inline-start: 50%;
    transform: translateX(50%);
    background: var(--brand-600);
    color: #fff;
    font-size: var(--fs-xs);
    font-weight: 800;
    padding: .3rem 1rem;
    border-radius: 999px;
}

.pricing-card h3 {
    margin: 0;
    font-size: var(--fs-xl);
    font-weight: 900;
}

.pricing-card .price {
    margin: .6rem 0 1.2rem;
    color: var(--accent-dark);
    font-weight: 900;
    font-size: 1.3rem;
}

.pricing-card .p-list {
    list-style: none;
    margin: 0 0 1.6rem;
    padding: 0;
    display: grid;
    gap: .7rem;
}

.pricing-card .p-list li {
    display: flex;
    gap: .55rem;
    align-items: flex-start;
    color: var(--body);
    font-size: var(--fs-sm);
}

.pricing-card .p-list li::before {
    content: "✓";
    color: var(--ok);
    font-weight: 900;
}

.pricing-card .btn {
    margin-top: auto;
    width: 100%;
}

/* ============================= CTA band ============================= */

.cta-band {
    position: relative;
    overflow: hidden;
    background: radial-gradient(800px 400px at 15% 0%, rgba(14, 165, 165, .2), transparent 60%),
                linear-gradient(150deg, var(--brand-800), var(--brand-900));
    color: #fff;
    padding: 4rem 0;
}

.cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}

.cta-inner h2 {
    color: #fff;
    margin: 0;
    font-size: clamp(1.6rem, 3vw, 2.3rem);
    font-weight: 900;
    max-width: 640px;
}

.cta-inner p {
    margin: .6rem 0 0;
    color: rgba(255, 255, 255, .78);
}

/* ============================= Page hero ============================= */

.page-hero {
    background: radial-gradient(900px 400px at 80% -20%, rgba(14, 165, 165, .18), transparent 60%),
                linear-gradient(160deg, var(--brand-900), var(--brand-700));
    color: #fff;
    padding: 4.5rem 0 3.5rem;
}

.page-hero .eyebrow {
    color: #7fe3e3;
}

.page-hero h1 {
    color: #fff;
    margin: 0;
    font-size: clamp(1.9rem, 3.5vw, 3rem);
    font-weight: 900;
}

.page-hero p {
    margin: 1rem 0 0;
    max-width: 780px;
    color: rgba(255, 255, 255, .8);
    font-size: var(--fs-lg);
}

/* breadcrumb */
.crumbs {
    display: flex;
    gap: .5rem;
    align-items: center;
    margin-bottom: 1.2rem;
    font-size: var(--fs-xs);
    color: rgba(255, 255, 255, .6);
}

.crumbs a { color: rgba(255, 255, 255, .8); }

/* ============================= Content list (features page) ============================= */

.content-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.2rem;
}

.content-card {
    display: flex;
    gap: 1.1rem;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: transform .18s ease, box-shadow .18s ease;
}

.content-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.content-card .ic {
    flex: none;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    font-size: 1.35rem;
    background: linear-gradient(135deg, rgba(27, 79, 138, .12), rgba(14, 165, 165, .12));
    color: var(--brand-600);
}

.content-card h3 {
    margin: 0 0 .4rem;
    font-size: var(--fs-lg);
    font-weight: 900;
}

.content-card p {
    margin: 0;
    color: var(--muted);
    font-size: var(--fs-sm);
}

.content-card.highlight {
    border-color: rgba(14, 165, 165, .45);
    background: linear-gradient(180deg, rgba(14, 165, 165, .06), #fff 55%);
}

/* ============================= Contact ============================= */

.contact-grid {
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: 1.5rem;
    align-items: start;
}

.info-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.8rem;
    box-shadow: var(--shadow-sm);
}

.info-card.dark {
    background: linear-gradient(160deg, var(--brand-800), var(--brand-900));
    color: #fff;
    border: none;
}

.info-card.dark h3 { color: #fff; }

.info-line {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .8rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, .12);
    color: rgba(255, 255, 255, .85);
}

.info-line:last-child { border-bottom: none; }

.info-line .ic {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    background: rgba(255, 255, 255, .1);
    color: #7fe3e3;
}

.form-label {
    display: block;
    margin-bottom: .4rem;
    font-weight: 700;
    font-size: var(--fs-sm);
    color: var(--ink);
}

.form-control,
.form-select,
textarea.form-control {
    width: 100%;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-sm);
    padding: .8rem 1rem;
    font-size: var(--fs-base);
    color: var(--ink);
    background: #fff;
    transition: border-color .15s ease, box-shadow .15s ease;
}

.form-control:focus,
.form-select:focus,
textarea.form-control:focus {
    outline: none;
    border-color: var(--brand-500);
    box-shadow: 0 0 0 3px rgba(37, 99, 168, .15);
}

.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mt-4 { margin-top: 1.5rem; }

.notice {
    border-inline-start: 4px solid var(--gold);
    background: #fff9eb;
    padding: 1rem 1.2rem;
    border-radius: var(--radius-sm);
    color: #7a5618;
    font-size: var(--fs-sm);
}

/* ============================= FAQ ============================= */

.faq-list {
    max-width: 820px;
    margin-inline: auto;
    display: grid;
    gap: .8rem;
}

.faq-item {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    padding: 1.1rem 1.3rem;
    box-shadow: var(--shadow-sm);
}

.faq-item summary {
    cursor: pointer;
    font-weight: 800;
    color: var(--ink);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
    content: "+";
    font-size: 1.4rem;
    color: var(--brand-500);
    font-weight: 400;
    transition: transform .2s ease;
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-item p {
    margin: .9rem 0 0;
    color: var(--muted);
    font-size: var(--fs-sm);
}

/* ============================= Footer ============================= */

.site-footer {
    background: var(--brand-900);
    color: rgba(255, 255, 255, .72);
    padding: 3.5rem 0 1.4rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr 1fr;
    gap: 2rem;
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: .7rem;
    margin-bottom: 1rem;
}

.footer-brand .brand-symbol {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
}

.footer-brand strong {
    color: #fff;
    font-size: 1.2rem;
    font-weight: 900;
}

.site-footer p {
    color: rgba(255, 255, 255, .6);
    font-size: var(--fs-sm);
    max-width: 320px;
}

.site-footer h6 {
    color: #fff;
    font-weight: 900;
    margin: 0 0 1rem;
    font-size: var(--fs-base);
}

.site-footer a {
    display: block;
    color: rgba(255, 255, 255, .62);
    margin: .5rem 0;
    font-size: var(--fs-sm);
    transition: color .15s ease;
}

.site-footer a:hover {
    color: #7fe3e3;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .12);
    margin-top: 2.5rem;
    padding-top: 1.3rem;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    color: rgba(255, 255, 255, .5);
    font-size: var(--fs-xs);
}

/* ============================= Responsive ============================= */

@media (max-width: 992px) {
    .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
    .hero-visual { max-width: 480px; }
    .split { grid-template-columns: 1fr; gap: 2rem; }
    .feature-grid,
    .module-grid,
    .industry-grid,
    .content-list,
    .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    .logo-grid { grid-template-columns: repeat(3, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }

    .main-nav,
    .header-cta .btn-outline { display: none; }
    .nav-toggle { display: flex; }
    .main-nav.open {
        display: flex;
        position: absolute;
        top: 74px;
        inset-inline: 0;
        flex-direction: column;
        align-items: stretch;
        background: #fff;
        border-bottom: 1px solid var(--line);
        padding: .75rem 1.25rem 1.25rem;
        gap: .2rem;
        box-shadow: var(--shadow);
        z-index: 90;
    }
}

@media (max-width: 576px) {
    .section { padding: 3.5rem 0; }
    .feature-grid,
    .module-grid,
    .industry-grid,
    .content-list,
    .pricing-grid,
    .logo-grid,
    .footer-grid { grid-template-columns: 1fr; }
    .cta-inner { flex-direction: column; align-items: flex-start; }
    .footer-bottom { flex-direction: column; }
    .hero-stat-grid { grid-template-columns: 1fr 1fr; }
}