/* ================================================================
   BMITC Homepage v2 — Design System
   Brand: #00ADEE (Sky Blue) | #2B3990 (Navy) | #E40000 (Red)
   ================================================================ */

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
    /* Brand Colors */
    --brand-sky: #00ADEE;
    --brand-navy: #2B3990;
    --brand-blue: #0070C0;
    --brand-red: #E40000;
    --brand-white: #ffffff;

    /* Extended Palette */
    --sky-50: rgba(0, 173, 238, 0.05);
    --sky-100: rgba(0, 173, 238, 0.1);
    --sky-200: rgba(0, 173, 238, 0.2);
    --sky-400: rgba(0, 173, 238, 0.4);
    --navy-50: rgba(43, 57, 144, 0.05);
    --navy-100: rgba(43, 57, 144, 0.1);
    --navy-200: rgba(43, 57, 144, 0.2);

    /* Neutrals */
    --neutral-50: #f7f8fc;
    --neutral-100: #eef0f8;
    --neutral-200: #dde1f0;
    --neutral-300: #b8bdd4;
    --neutral-400: #8a90ad;
    --neutral-500: #5c6180;
    --neutral-600: #3d4266;
    --neutral-700: #252947;
    --neutral-800: #161930;
    --neutral-900: #0c0e1f;

    /* Gradients */
    --grad-brand: linear-gradient(135deg, var(--brand-sky) 0%, var(--brand-navy) 100%);
    --grad-brand-r: linear-gradient(135deg, var(--brand-navy) 0%, var(--brand-sky) 100%);
    --grad-dark: linear-gradient(135deg, #0c0e1f 0%, #161930 100%);
    --grad-hero: linear-gradient(135deg, #060a20 0%, #0f1540 40%, #060a20 100%);
    --grad-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.02) 100%);
    --grad-card: linear-gradient(145deg, #ffffff 0%, #f7f8fc 100%);
    --grad-red-sky: linear-gradient(135deg, var(--brand-red) 0%, var(--brand-sky) 100%);

    /* Shadows */
    --shadow-xs: 0 1px 4px rgba(0, 0, 0, 0.06);
    --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 28px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 48px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.22);
    --shadow-sky: 0 6px 24px rgba(0, 173, 238, 0.3);
    --shadow-navy: 0 6px 24px rgba(43, 57, 144, 0.3);
    --glow-sky: 0 0 40px rgba(0, 173, 238, 0.25);
    --glow-red: 0 0 40px rgba(228, 0, 0, 0.2);

    /* Typography */
    --font-head: 'Outfit', 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --sec-pad: 96px 0;
    --container: 1280px;

    /* Motion */
    --ease-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
    --ease-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --ease-slow: 0.55s cubic-bezier(0.4, 0, 0.2, 1);
    --ease-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Radii */
    --r-sm: 8px;
    --r-md: 14px;
    --r-lg: 20px;
    --r-xl: 28px;
    --r-full: 999px;
}

/* ===== RESET ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--neutral-700);
    background: var(--brand-white);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--ease-normal);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

h1,
h2,
h3,
h4,
h5 {
    font-family: var(--font-head);
    font-weight: 700;
    line-height: 1.2;
}

/* ===== UTILITIES ===== */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 28px;
}

.text-grad {
    background: var(--grad-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-grad-red {
    background: var(--grad-red-sky);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tag-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 18px;
    background: var(--sky-100);
    border: 1px solid rgba(0, 173, 238, 0.25);
    border-radius: var(--r-full);
    color: var(--brand-sky);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header .tag-pill {
    margin-bottom: 14px;
}

.section-header h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    color: var(--neutral-800);
    margin-bottom: 14px;
}

.section-header p {
    font-size: 1.05rem;
    color: var(--neutral-400);
    max-width: 620px;
    margin: 0 auto;
    line-height: 1.75;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 30px;
    border-radius: var(--r-full);
    font-family: var(--font-head);
    font-weight: 600;
    font-size: 0.92rem;
    cursor: pointer;
    border: none;
    transition: var(--ease-normal);
}

.btn-primary {
    background: var(--grad-brand);
    color: #fff;
    box-shadow: var(--shadow-sky);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 36px rgba(0, 173, 238, 0.45);
}

.btn-outline {
    border: 1.5px solid rgba(255, 255, 255, 0.35);
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(12px);
}

.btn-outline:hover {
    border-color: var(--brand-sky);
    background: rgba(0, 173, 238, 0.15);
    transform: translateY(-3px);
}

.btn-ghost {
    background: var(--sky-100);
    color: var(--brand-sky);
    border: 1px solid rgba(0, 173, 238, 0.25);
}

.btn-ghost:hover {
    background: var(--brand-sky);
    color: #fff;
    transform: translateY(-2px);
}

.btn-red {
    background: var(--brand-red);
    color: #fff;
    box-shadow: var(--glow-red);
}

.btn-red:hover {
    transform: translateY(-3px);
    filter: brightness(1.1);
}

/* ===== TOP BAR ===== */
.top-bar {
    background: #091c5c;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.79rem;
    padding: 7px 0;
    position: relative;
    z-index: 1001;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.top-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.top-bar-left a {
    color: rgba(255, 255, 255, 0.85);
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.79rem;
}

.top-bar-left a:hover {
    color: var(--brand-sky);
}

.top-bar-divider {
    color: rgba(255, 255, 255, 0.25);
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.top-bar-right a {
    color: rgba(255, 255, 255, 0.75);
    width: 26px;
    height: 26px;
    border-radius: var(--r-full);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    font-size: 0.8rem;
    transition: var(--ease-normal);
}

.top-bar-right a:hover {
    background: var(--brand-sky);
    color: #fff;
    transform: translateY(-2px);
}

/* ===== HEADER ===== */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--ease-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 28px;
}

.logo img {
    height: 42px;
    transition: var(--ease-normal);
}

.logo:hover img {
    transform: scale(1.04);
}

/* Nav */
.nav-list {
    display: flex;
    align-items: center;
    gap: 2px;
}

.nav-list>li>a {
    padding: 9px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--neutral-600);
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    gap: 5px;
    position: relative;
    transition: var(--ease-normal);
}

.nav-list>li>a::after {
    content: '';
    position: absolute;
    bottom: 3px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--grad-brand);
    border-radius: 2px;
    transition: var(--ease-normal);
    transform: translateX(-50%);
}

.nav-list>li>a:hover,
.nav-list>li>a.active {
    color: var(--brand-sky);
}

.nav-list>li>a:hover::after,
.nav-list>li>a.active::after {
    width: 55%;
}

.nav-list>li>a i {
    font-size: 0.58rem;
    transition: var(--ease-normal);
}

/* Dropdown */
.has-dropdown {
    position: relative;
}

.dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 215px;
    background: #fff;
    border-radius: var(--r-md);
    box-shadow: var(--shadow-lg);
    padding: 6px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: var(--ease-normal);
    border: 1px solid var(--neutral-100);
}

.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.has-dropdown:hover>a i {
    transform: rotate(180deg);
}

.dropdown li a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    font-size: 0.86rem;
    color: var(--neutral-500);
    border-radius: var(--r-sm);
    transition: var(--ease-fast);
}

.dropdown li a:hover {
    background: var(--neutral-50);
    color: var(--brand-sky);
    padding-left: 20px;
}

/* Mobile menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--neutral-700);
    border-radius: 2px;
    transition: var(--ease-normal);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== HERO SLIDER ===== */
.hero {
    position: relative;
    height: 92vh;
    min-height: 580px;
    max-height: 920px;
    overflow: hidden;
}

.slides-wrap {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.9s ease, visibility 0.9s ease;
}

.slide.active {
    opacity: 1;
    visibility: visible;
}

.slide-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 9s ease;
}

.slide.active .slide-bg {
    transform: scale(1.07);
}

/* Slide backgrounds */
.slide-system {
    background: linear-gradient(135deg, #060c28 0%, #0f1a48 50%, #060c28 100%);
}

.slide-cloud {
    background: linear-gradient(135deg, #061224 0%, #0a2140 50%, #061224 100%);
}

.slide-digital {
    background: linear-gradient(135deg, #080628 0%, #100e48 50%, #080628 100%);
}

.slide-ai {
    background: linear-gradient(135deg, #060618 0%, #0c0830 50%, #060618 100%);
}

.slide-security {
    background: linear-gradient(135deg, #0f0606 0%, #280a0a 50%, #0f0606 100%);
}

.slide-video {
    background: #000;
}

.slide-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.45;
}

/* Particle canvas */
.hero-canvas {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    opacity: 0.6;
}

/* Slide overlay */
.slide-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.72) 0%, rgba(0, 0, 0, 0.38) 55%, rgba(0, 0, 0, 0.1) 100%);
}

/* Slide content */
.slide-content {
    position: relative;
    z-index: 3;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-bottom: 90px;
    max-width: 680px;
}

.slide-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: var(--r-full);
    background: rgba(0, 173, 238, 0.15);
    border: 1px solid rgba(0, 173, 238, 0.3);
    color: var(--brand-sky);
    font-size: 0.77rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    width: fit-content;
    margin-bottom: 22px;
    backdrop-filter: blur(10px);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s 0.1s ease, transform 0.5s 0.1s ease;
}

.slide.active .slide-eyebrow {
    opacity: 1;
    transform: translateY(0);
}

.slide-content h1 {
    font-size: clamp(2.4rem, 5vw, 3.8rem);
    color: #fff;
    margin-bottom: 18px;
    font-weight: 800;
    letter-spacing: -0.5px;
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.55s 0.2s ease, transform 0.55s 0.2s ease;
}

.slide.active .slide-content h1 {
    opacity: 1;
    transform: translateY(0);
}

.slide-content p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.72);
    max-width: 540px;
    line-height: 1.75;
    margin-bottom: 34px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.55s 0.3s ease, transform 0.55s 0.3s ease;
}

.slide.active .slide-content p {
    opacity: 1;
    transform: translateY(0);
}

.slide-btns {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s 0.42s ease, transform 0.5s 0.42s ease;
}

.slide.active .slide-btns {
    opacity: 1;
    transform: translateY(0);
}

/* Slide badges (icon strip) */
.slide-badges {
    position: absolute;
    bottom: 22px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
    z-index: 10;
    width: max-content;
}

.slide-badge-btn {
    padding: 7px 14px;
    border-radius: var(--r-full);
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.76rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--ease-normal);
    display: flex;
    align-items: center;
    gap: 6px;
    backdrop-filter: blur(10px);
    font-family: var(--font-head);
}

.slide-badge-btn i {
    font-size: 0.68rem;
}

.slide-badge-btn.active,
.slide-badge-btn:hover {
    background: rgba(0, 173, 238, 0.2);
    border-color: rgba(0, 173, 238, 0.45);
    color: var(--brand-sky);
}

/* Slider controls */
.slider-ctrl {
    position: absolute;
    bottom: 70px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 18px;
    z-index: 10;
}

.slider-btn {
    width: 44px;
    height: 44px;
    border-radius: var(--r-full);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    transition: var(--ease-normal);
    backdrop-filter: blur(10px);
}

.slider-btn:hover {
    background: var(--brand-sky);
    border-color: var(--brand-sky);
    transform: scale(1.12);
}

.slider-dots-wrap {
    display: flex;
    gap: 8px;
}

.s-dot {
    width: 10px;
    height: 10px;
    border-radius: var(--r-full);
    background: rgba(255, 255, 255, 0.3);
    border: none;
    cursor: pointer;
    transition: var(--ease-normal);
}

.s-dot.active {
    background: var(--brand-sky);
    width: 32px;
    border-radius: 5px;
    box-shadow: 0 0 12px rgba(0, 173, 238, 0.5);
}

/* ===== COMMON SECTION ===== */
.section {
    padding: var(--sec-pad);
    position: relative;
    overflow: hidden;
}

.section-light {
    background: var(--neutral-50);
}

.section-white {
    background: #fff;
}

.section-dark {
    background: var(--neutral-900);
}

.section-navy {
    background: linear-gradient(135deg, #0d1240 0%, #0a0e2e 100%);
}

/* ===== IT SYSTEM SERVICES ===== */
.system-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    margin-bottom: 48px;
}

.sys-card {
    background: #fff;
    border-radius: var(--r-lg);
    padding: 26px 18px;
    text-align: center;
    border: 1px solid var(--neutral-100);
    transition: var(--ease-spring);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: block;
    color: inherit;
}

.sys-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--grad-brand);
    opacity: 0;
    transition: var(--ease-normal);
}

.sys-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.sys-card:hover::before {
    opacity: 1;
}

.sys-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 14px;
    border-radius: var(--r-md);
    background: linear-gradient(135deg, var(--sky-100), var(--navy-100));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--brand-sky);
    transition: var(--ease-spring);
}

.sys-card:hover .sys-icon {
    background: var(--grad-brand);
    color: #fff;
    transform: scale(1.12) rotate(-5deg);
}

.sys-card h4 {
    font-size: 0.9rem;
    color: var(--neutral-700);
    margin-bottom: 6px;
    font-weight: 600;
}

.sys-card p {
    font-size: 0.78rem;
    color: var(--neutral-400);
    line-height: 1.5;
}

.subsec-title {
    font-size: 1.1rem;
    color: var(--neutral-600);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.subsec-title .icon-wrap {
    width: 36px;
    height: 36px;
    border-radius: var(--r-sm);
    background: var(--sky-100);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-sky);
    font-size: 1rem;
}

.software-grid {
    grid-template-columns: repeat(4, 1fr);
}

/* ===== CLOUD SERVICES ===== */
.cloud-tabs {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-bottom: 44px;
    flex-wrap: wrap;
}

.cloud-tab {
    padding: 11px 24px;
    border-radius: var(--r-full);
    border: 1.5px solid var(--neutral-200);
    background: #fff;
    color: var(--neutral-500);
    font-weight: 600;
    font-size: 0.88rem;
    cursor: pointer;
    transition: var(--ease-normal);
    display: flex;
    align-items: center;
    gap: 7px;
    font-family: var(--font-head);
}

.cloud-tab:hover {
    border-color: var(--brand-sky);
    color: var(--brand-sky);
}

.cloud-tab.active {
    background: var(--grad-brand);
    border-color: transparent;
    color: #fff;
    box-shadow: var(--shadow-sky);
}

.cloud-panel {
    display: none;
}

.cloud-panel.active {
    display: block;
}

.cloud-grid-3 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.cloud-card {
    background: #fff;
    border-radius: var(--r-lg);
    padding: 22px;
    border: 1px solid var(--neutral-100);
    display: flex;
    align-items: center;
    gap: 14px;
    transition: var(--ease-spring);
    cursor: pointer;
}

.cloud-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--brand-sky);
}

.c-icon {
    width: 46px;
    height: 46px;
    border-radius: var(--r-sm);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    background: var(--sky-100);
    color: var(--brand-sky);
    transition: var(--ease-normal);
}

.cloud-card:hover .c-icon {
    background: var(--grad-brand);
    color: #fff;
}

.c-info h4 {
    font-size: 0.9rem;
    color: var(--neutral-700);
    font-weight: 600;
    margin-bottom: 3px;
}

.c-info p {
    font-size: 0.77rem;
    color: var(--neutral-400);
    line-height: 1.45;
}

/* ===== DIGITAL TRANSFORMATION ===== */
.digital-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 16px;
}

.dig-card {
    background: #fff;
    border-radius: var(--r-lg);
    padding: 24px 18px;
    border: 1px solid var(--neutral-100);
    text-align: center;
    transition: var(--ease-spring);
    position: relative;
    overflow: hidden;
}

.dig-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--grad-brand);
    opacity: 0;
    transition: var(--ease-normal);
    z-index: 0;
}

.dig-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.dig-card:hover::after {
    opacity: 1;
}

.dig-card:hover .dig-icon,
.dig-card:hover h4 {
    color: #fff;
}

.dig-icon {
    font-size: 1.6rem;
    color: var(--brand-sky);
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
    transition: var(--ease-normal);
}

.dig-card h4 {
    font-size: 0.85rem;
    color: var(--neutral-700);
    font-weight: 600;
    position: relative;
    z-index: 1;
    transition: var(--ease-normal);
}

/* ===== AI SERVICES ===== */
.section-ai-bg {
    background: var(--neutral-900);
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(0, 173, 238, 0.07) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(43, 57, 144, 0.1) 0%, transparent 60%);
}

.ai-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 14px;
}

.ai-card {
    background: var(--grad-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: var(--r-lg);
    padding: 22px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: var(--ease-spring);
    cursor: default;
}

.ai-card:hover {
    background: rgba(0, 173, 238, 0.1);
    border-color: rgba(0, 173, 238, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0, 173, 238, 0.15);
}

.ai-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--r-sm);
    flex-shrink: 0;
    background: rgba(0, 173, 238, 0.15);
    color: var(--brand-sky);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: var(--ease-normal);
}

.ai-card:hover .ai-icon {
    background: var(--brand-sky);
    color: #fff;
}

.ai-card span {
    font-size: 0.85rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.78);
    line-height: 1.4;
}

/* ===== SECURITY SERVICES ===== */
.security-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.sec-card {
    background: #fff;
    border-radius: var(--r-xl);
    padding: 36px 28px;
    border: 1px solid var(--neutral-100);
    position: relative;
    overflow: hidden;
    transition: var(--ease-spring);
}

.sec-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--grad-brand);
    transition: var(--ease-normal);
}

.sec-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.sec-card:hover::before {
    width: 6px;
}

.sec-card-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--r-lg);
    margin-bottom: 20px;
    background: var(--sky-100);
    color: var(--brand-sky);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    transition: var(--ease-spring);
}

.sec-card:hover .sec-card-icon {
    background: var(--grad-brand);
    color: #fff;
    transform: scale(1.08);
}

.sec-card h4 {
    font-size: 1.05rem;
    color: var(--neutral-800);
    margin-bottom: 10px;
    font-weight: 600;
}

.sec-card p {
    font-size: 0.86rem;
    color: var(--neutral-400);
    line-height: 1.65;
    margin-bottom: 18px;
}

.sec-link {
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--brand-sky);
    display: flex;
    align-items: center;
    gap: 5px;
}

.sec-link:hover {
    gap: 9px;
}

/* ===== PROFESSIONAL SERVICES ===== */
.prof-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 18px;
}

.prof-card {
    background: #fff;
    border-radius: var(--r-xl);
    padding: 32px 22px;
    border: 1px solid var(--neutral-100);
    text-align: center;
    transition: var(--ease-spring);
    position: relative;
    overflow: hidden;
    flex: 1 1 calc(20% - 15px);
    min-width: 210px;
    max-width: 380px;
}

.prof-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--grad-brand);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--ease-normal);
}

.prof-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.prof-card:hover::after {
    transform: scaleX(1);
}

.prof-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 18px;
    border-radius: var(--r-lg);
    background: var(--sky-100);
    color: var(--brand-sky);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
    transition: var(--ease-spring);
}

.prof-card:hover .prof-icon {
    background: var(--grad-brand);
    color: #fff;
    transform: scale(1.1) rotate(-8deg);
}

.prof-card h4 {
    font-size: 1rem;
    color: var(--neutral-800);
    font-weight: 600;
    margin-bottom: 10px;
}

.prof-card ul {
    margin-bottom: 18px;
    padding: 0;
    margin-left: 0;
    list-style: none;
}

.prof-card ul li {
    font-size: 0.8rem;
    color: var(--neutral-400);
    padding: 3px 0;
    margin: 0;
    list-style: none;
    text-align: center;
}

.prof-card ul li::before {
    content: '›';
    color: var(--brand-sky);
    margin-right: 5px;
    font-weight: bold;
}

.prof-link {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--brand-sky);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.prof-link:hover {
    gap: 8px;
}

/* ===== STATS SECTION ===== */
.stats-section {
    background: var(--grad-brand);
    padding: 72px 0;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.stats-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: nowrap;
    gap: 0;
    position: relative;
    z-index: 1;
    max-width: 1000px;
    margin: 0 auto;
    width: 100%;
}

.stat-item {
    text-align: center;
    flex: 1;
    padding: 8px 16px;
}

.stat-num {
    font-family: var(--font-head);
    font-size: clamp(2.2rem, 4.5vw, 3.4rem);
    font-weight: 800;
    color: #fff;
    line-height: 1;
    display: block;
    margin-bottom: 6px;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.78);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    background: rgba(255, 255, 255, 0.2);
    align-self: center;
    height: 60px;
}

/* ===== PARTNERS SECTION ===== */
.partners-section {
    padding: 64px 0;
    overflow: hidden;
    background: var(--neutral-50);
}

.partners-track-wrap {
    overflow: hidden;
    position: relative;
}

.partners-track-wrap::before,
.partners-track-wrap::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 120px;
    z-index: 2;
}

.partners-track-wrap::before {
    left: 0;
    background: linear-gradient(to right, var(--neutral-50), transparent);
}

.partners-track-wrap::after {
    right: 0;
    background: linear-gradient(to left, var(--neutral-50), transparent);
}

.partners-track {
    display: flex;
    gap: 40px;
    align-items: center;
    width: max-content;
    animation: scrollPartners 28s linear infinite;
}

.partners-track:hover {
    animation-play-state: paused;
}

@keyframes scrollPartners {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

.partner-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    background: #fff;
    border-radius: var(--r-md);
    border: 1px solid var(--neutral-100);
    height: 68px;
    min-width: 130px;
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 1rem;
    color: var(--neutral-400);
    white-space: nowrap;
    transition: var(--ease-normal);
    box-shadow: var(--shadow-xs);
}

.partner-logo:hover {
    border-color: var(--brand-sky);
    color: var(--brand-sky);
    box-shadow: var(--shadow-sky);
    transform: translateY(-3px);
}

.partner-logo i {
    font-size: 1.5rem;
    margin-right: 8px;
}

/* ===== TESTIMONIALS ===== */
.testi-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testi-card {
    background: #fff;
    border-radius: var(--r-xl);
    padding: 32px 28px;
    border: 1px solid var(--neutral-100);
    transition: var(--ease-spring);
    position: relative;
    overflow: hidden;
}

.testi-card::before {
    content: '"';
    position: absolute;
    top: 10px;
    right: 24px;
    font-size: 7rem;
    line-height: 1;
    font-family: Georgia, serif;
    color: var(--sky-100);
    pointer-events: none;
}

.testi-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--brand-sky);
}

.testi-stars {
    display: flex;
    gap: 3px;
    margin-bottom: 14px;
}

.testi-stars i {
    color: #f59e0b;
    font-size: 0.85rem;
}

.testi-text {
    font-size: 0.92rem;
    color: var(--neutral-500);
    line-height: 1.75;
    margin-bottom: 22px;
    font-style: italic;
}

.testi-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testi-avatar {
    width: 46px;
    height: 46px;
    border-radius: var(--r-full);
    background: var(--grad-brand);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
}

.testi-info h5 {
    font-size: 0.9rem;
    color: var(--neutral-800);
    font-weight: 600;
}

.testi-info span {
    font-size: 0.78rem;
    color: var(--neutral-400);
}

/* ===== CTA SECTION ===== */
.cta-section {
    background: var(--neutral-900);
    background-image:
        radial-gradient(ellipse at 30% 60%, rgba(0, 173, 238, 0.1) 0%, transparent 55%),
        radial-gradient(ellipse at 75% 40%, rgba(43, 57, 144, 0.12) 0%, transparent 55%);
    padding: 96px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section h2 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    color: #fff;
    margin-bottom: 16px;
    text-align: center;
}

.cta-section p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.6);
    max-width: 580px;
    margin: 0 auto 36px;
    line-height: 1.7;
    text-align: center;
}

.cta-btns {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== SUPPORT SECTION ===== */
.support-section {
    padding: var(--sec-pad);
    background: var(--neutral-50);
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 44px;
}

.support-card {
    background: #fff;
    border-radius: var(--r-xl);
    padding: 32px 26px;
    border: 1px solid var(--neutral-100);
    transition: var(--ease-spring);
}

.support-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--brand-sky);
}

.support-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--r-lg);
    margin-bottom: 18px;
    background: var(--sky-100);
    color: var(--brand-sky);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    transition: var(--ease-normal);
}

.support-card:hover .support-icon {
    background: var(--grad-brand);
    color: #fff;
}

.support-card h4 {
    font-size: 1rem;
    color: var(--neutral-800);
    font-weight: 600;
    margin-bottom: 8px;
}

.support-card p {
    font-size: 0.85rem;
    color: var(--neutral-400);
    line-height: 1.65;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--neutral-900);
    color: rgba(255, 255, 255, 0.7);
    padding-top: 70px;
}

.footer-wave {
    background: var(--neutral-50);
    line-height: 0;
}

.footer-wave svg {
    display: block;
    color: var(--neutral-900);
    width: 100%;
    height: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.4fr;
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .footer-logo {
    margin-bottom: 16px;
}

.footer-brand .footer-logo img {
    height: 38px;
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

.footer-brand p {
    font-size: 0.85rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.5);
    max-width: 280px;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: var(--r-full);
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    transition: var(--ease-normal);
}

.footer-social a:hover {
    background: var(--brand-sky);
    color: #fff;
    transform: translateY(-3px);
}

.footer-col h5 {
    font-size: 0.82rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 1.2px;
    text-transform: uppercase;
    margin-bottom: 18px;
}

.footer-col ul li {
    margin-bottom: 9px;
}

.footer-col ul a {
    font-size: 0.84rem;
    color: rgba(255, 255, 255, 0.5);
    transition: var(--ease-normal);
    display: flex;
    align-items: center;
    gap: 6px;
}

.footer-col ul a:hover {
    color: var(--brand-sky);
    padding-left: 4px;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 10px;
    font-size: 0.84rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-contact-item i {
    color: var(--brand-sky);
    margin-top: 2px;
    flex-shrink: 0;
    font-size: 0.82rem;
}

.footer-contact-item a:hover {
    color: var(--brand-sky);
}

.footer-bottom {
    background: rgba(0, 0, 0, 0.3);
    padding: 18px 0;
}

.footer-bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom-inner p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.35);
}

.footer-bottom-links {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

.footer-bottom-links a {
    font-size: 0.79rem;
    color: rgba(255, 255, 255, 0.35);
    transition: var(--ease-normal);
}

.footer-bottom-links a:hover {
    color: var(--brand-sky);
}

/* ===== BACK TO TOP ===== */
.back-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 999;
    width: 46px;
    height: 46px;
    border-radius: var(--r-full);
    background: var(--grad-brand);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    box-shadow: var(--shadow-sky);
    transition: var(--ease-normal);
    opacity: 0;
    transform: translateY(16px);
    pointer-events: none;
}

.back-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.back-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 173, 238, 0.45);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(28px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

[data-anim] {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-anim].visible {
    opacity: 1;
    transform: translateY(0);
}

[data-anim-delay="1"] {
    transition-delay: 0.1s;
}

[data-anim-delay="2"] {
    transition-delay: 0.2s;
}

[data-anim-delay="3"] {
    transition-delay: 0.3s;
}

[data-anim-delay="4"] {
    transition-delay: 0.4s;
}

[data-anim-delay="5"] {
    transition-delay: 0.5s;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .system-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .software-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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


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

    .cloud-grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .stats-grid {
        flex-wrap: wrap;
        gap: 24px 0;
    }

    .stat-item {
        flex: 0 0 50%;
    }

    .stat-divider {
        display: none;
    }
}

@media (max-width: 768px) {
    :root {
        --sec-pad: 64px 0;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        bottom: 0;
        width: 80%;
        background: #fff;
        box-shadow: var(--shadow-xl);
        z-index: 1001;
        transition: var(--ease-slow);
        padding: 80px 20px 20px;
        overflow-y: auto;
    }

    .main-nav.open {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .nav-list>li>a {
        padding: 13px 12px;
        border-radius: 0;
        border-bottom: 1px solid var(--neutral-100);
    }

    .dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        padding: 0 0 0 16px;
        display: none;
    }

    .has-dropdown:hover .dropdown {
        display: block;
    }

    .slide-badges {
        display: none;
    }

    .system-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .cloud-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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


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

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

    .stats-grid {
        flex-wrap: wrap;
        gap: 24px 0;
    }

    .stat-item {
        flex: 0 0 50%;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .footer-bottom-inner {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .system-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cloud-grid-3 {
        grid-template-columns: 1fr;
    }

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

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


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

    .stats-grid {
        flex-wrap: wrap;
    }

    .stat-item {
        flex: 0 0 50%;
    }

    .slide-content h1 {
        font-size: 2rem;
    }

    .slide-btns {
        flex-direction: column;
    }

    .cta-btns {
        flex-direction: column;
        align-items: center;
    }
}