/* ========================================
   ALEPH NETWORK - Main Stylesheet
   Professional IT Services Company
   ======================================== */

/* ========== CSS CUSTOM PROPERTIES ========== */
:root {
    /* Brand Colors — from Aleph Network Logo (Orange) */
    --primary: #2a9d8f;          /* Teal - main brand color */
    --primary-dark: #1f7a6e;     /* Darker teal */
    --primary-light: #3fbfa5;    /* Lighter teal (logo exact) */
    --secondary: #ff6600;        /* Orange accent */
    --secondary-light: #ff8533;  /* Lighter orange */
    --accent: #ffcc00;           /* Gold/Yellow accent */

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #2a9d8f 0%, #3fbfa5 100%);
    --gradient-accent: linear-gradient(135deg, #ffcc00 0%, #ff6600 100%);
    --gradient-hero: linear-gradient(135deg, #0c2b2a 0%, #0f3332 30%, #0a2e2d 60%, #081f1e 100%);
    --gradient-dark: linear-gradient(180deg, #0c2b2a 0%, #0f2e2d 100%);
    --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);

    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --dark: #081f1e;

    /* Typography */
    --font-primary: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-secondary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --section-padding: 100px 0;
    --container-max: 1200px;
    --container-padding: 0 24px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50%;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
    --shadow-glow: 0 0 40px rgba(42, 157, 143, 0.3);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Header */
    --header-height: 150px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-secondary);
    font-weight: 400;
    line-height: 1.7;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

ul {
    list-style: none;
}

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

button,
input,
textarea {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
}

/* ========== PRELOADER ========== */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.loaded {
    opacity: 0;
    visibility: hidden;
}

.loader {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loader-ring {
    width: 80px;
    height: 80px;
    border: 3px solid rgba(255, 102, 0, 0.1);
    border-top: 3px solid var(--secondary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loader-text {
    position: absolute;
    font-family: var(--font-primary);
    font-weight: 800;
    font-size: 14px;
    letter-spacing: 3px;
    color: var(--white);
}

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

/* ========== UTILITY CLASSES ========== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--container-padding);
}

.section {
    padding: var(--section-padding);
    position: relative;
}

.section--dark {
    background: var(--gradient-dark);
    color: var(--gray-200);
}

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

/* ========== SECTION HEADER ========== */
.section__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section__subtitle {
    display: inline-block;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--primary-light);
    margin-bottom: 12px;
}

.section--dark .section__subtitle {
    color: var(--secondary);
}

.section__title {
    font-family: var(--font-primary);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.section--dark .section__title {
    color: var(--white);
}

.section__description {
    font-size: 1.1rem;
    color: var(--gray-500);
    line-height: 1.7;
}

.section--dark .section__description {
    color: var(--gray-400);
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-primary);
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    border: 2px solid transparent;
}

.btn--sm {
    padding: 8px 20px;
    font-size: 14px;
}

.btn--lg {
    padding: 14px 32px;
    font-size: 16px;
}

.btn--full {
    width: 100%;
    justify-content: center;
}

.btn--primary {
    background: var(--gradient-primary);
    color: var(--white);
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(42, 157, 143, 0.3);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(42, 157, 143, 0.4);
}

.btn--outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn--outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

/* ========== HEADER / NAVIGATION ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(8, 31, 30, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
    height: 100px;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 100;
}

.logo-icon {
    display: none;
}

.logo-text {
    display: none;
}

.nav__logo-img {
    height: 140px;
    width: auto;
    transition: height var(--transition-base);
}

.header.scrolled .nav__logo-img {
    height: 80px;
}

.footer .nav__logo-img {
    height: 100px;
    filter: brightness(1.1);
}

.nav__list {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav__link {
    font-family: var(--font-primary);
    font-weight: 500;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.75);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav__link:hover,
.nav__link.active {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav__toggle {
    display: none;
    font-size: 24px;
    color: var(--white);
    cursor: pointer;
}

.nav__close {
    display: none;
}

.nav__cta {
    border-radius: var(--radius-sm);
}

/* ========== HERO SECTION ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    overflow: hidden;
    padding-top: var(--header-height);
}

.hero__particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(42, 157, 143, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(255, 102, 0, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(255, 204, 0, 0.08) 0%, transparent 50%);
}

.hero__content {
    position: relative;
    z-index: 2;
    padding: 60px 24px;
}

.hero__text {
    max-width: 700px;
}

.hero__badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 102, 0, 0.1);
    border: 1px solid rgba(255, 102, 0, 0.2);
    border-radius: 50px;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 13px;
    color: var(--secondary);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 24px;
}

.hero__title {
    font-family: var(--font-primary);
    font-size: clamp(2.5rem, 5.5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: 24px;
}

.hero__description {
    font-size: 1.2rem;
    color: var(--gray-400);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 560px;
}

.hero__buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Hero Stats */
.hero__stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 80px;
}

.stat-card {
    text-align: center;
    padding: 24px 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 102, 0, 0.2);
    transform: translateY(-4px);
}

.stat-card__icon {
    font-size: 24px;
    color: var(--secondary);
    margin-bottom: 12px;
}

.stat-card__number {
    font-family: var(--font-primary);
    font-size: 2rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
}

.stat-card__label {
    font-size: 13px;
    color: var(--gray-400);
    margin-top: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Scroll Indicator */
.hero__scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--gray-400);
    font-size: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.scroll-indicator__mouse {
    width: 24px;
    height: 38px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-indicator__wheel {
    width: 3px;
    height: 8px;
    background: var(--secondary);
    border-radius: 2px;
    animation: scrollWheel 2s ease infinite;
}

@keyframes scrollWheel {
    0% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(12px); }
}

/* ========== ABOUT SECTION ========== */
.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about__lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--gray-800);
    line-height: 1.7;
    margin-bottom: 20px;
}

.about__text {
    color: var(--gray-600);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about__features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 32px;
}

.about__feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    color: var(--gray-700);
}

.about__feature i {
    color: var(--accent);
    font-size: 18px;
}

/* Vision/Mission Cards */
.about__cards {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.vision-card {
    padding: 32px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.vision-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.vision-card__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    color: var(--white);
    font-size: 20px;
    margin-bottom: 16px;
}

.vision-card__title {
    font-family: var(--font-primary);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.vision-card__text {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Values */
.values {
    margin-top: 80px;
    text-align: center;
}

.values__title {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 40px;
}

.values__grid {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.value-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 24px 32px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    min-width: 160px;
}

.value-item:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.value-item__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    color: var(--white);
    font-size: 22px;
}

.value-item h4 {
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--gray-800);
}

/* ========== TECHNOLOGIES SECTION ========== */
.tech__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.tech-card {
    padding: 40px 28px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.tech-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 102, 0, 0.3);
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
}

.tech-card__icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    font-size: 28px;
    color: var(--white);
    transition: all var(--transition-base);
}

.tech-card:hover .tech-card__icon {
    background: var(--gradient-accent);
    transform: scale(1.05);
}

.tech-card__title {
    font-family: var(--font-primary);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
}

.tech-card__text {
    font-size: 0.9rem;
    color: var(--gray-400);
    line-height: 1.7;
}

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

.service-card {
    position: relative;
    padding: 36px 28px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

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

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card__number {
    font-family: var(--font-primary);
    font-size: 3rem;
    font-weight: 800;
    color: var(--gray-100);
    position: absolute;
    top: 16px;
    right: 20px;
    line-height: 1;
}

.service-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(42, 157, 143, 0.08), rgba(0, 194, 255, 0.08));
    border-radius: var(--radius-md);
    color: var(--primary);
    font-size: 24px;
    margin-bottom: 20px;
    transition: all var(--transition-base);
}

.service-card:hover .service-card__icon {
    background: var(--gradient-primary);
    color: var(--white);
}

.service-card__title {
    font-family: var(--font-primary);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.service-card__text {
    font-size: 0.9rem;
    color: var(--gray-600);
    line-height: 1.7;
}

.service-card--wide {
    grid-column: 1 / -1;
}

.service-card__features {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 24px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-200);
}

.service-card__features span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gray-600);
}

.service-card__features i {
    color: var(--accent);
    font-size: 12px;
}

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

.security__grid .security-card:nth-child(4),
.security__grid .security-card:nth-child(5) {
    max-width: 100%;
}

.security-card {
    padding: 36px 28px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.security-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 102, 0, 0.3);
    transform: translateY(-6px);
}

.security-card__icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    background: rgba(255, 102, 0, 0.1);
    border: 1px solid rgba(255, 102, 0, 0.2);
    border-radius: var(--radius-full);
    color: var(--secondary);
    font-size: 24px;
    transition: all var(--transition-base);
}

.security-card:hover .security-card__icon {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--white);
}

.security-card h3 {
    font-family: var(--font-primary);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
}

.security-card p {
    font-size: 0.9rem;
    color: var(--gray-400);
    line-height: 1.7;
}

/* ========== SOLUTIONS SECTION ========== */
.solutions__category {
    margin-bottom: 60px;
}

.solutions__category:last-child {
    margin-bottom: 0;
}

.category-header {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: 32px;
    padding: 32px;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.category-header__icon {
    width: 64px;
    height: 64px;
    min-width: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    color: var(--white);
    font-size: 26px;
}

.category-header__title {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.category-header__text {
    color: var(--gray-600);
    line-height: 1.7;
}

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

.solution-item {
    padding: 28px 24px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.solution-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.solution-item i {
    font-size: 28px;
    color: var(--primary);
    margin-bottom: 16px;
}

.solution-item h4 {
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.solution-item p {
    font-size: 0.85rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ========== WHY US SECTION ========== */
.why-us__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.why-card {
    padding: 40px 32px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.why-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 102, 0, 0.3);
    transform: translateY(-6px);
}

.why-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    color: var(--white);
    font-size: 22px;
    margin-bottom: 20px;
}

.why-card__title {
    font-family: var(--font-primary);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
}

.why-card__text {
    font-size: 0.9rem;
    color: var(--gray-400);
    line-height: 1.8;
    margin-bottom: 20px;
}

.why-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.why-card__tags span {
    padding: 4px 14px;
    background: rgba(255, 102, 0, 0.1);
    border: 1px solid rgba(255, 102, 0, 0.15);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--secondary);
}

/* Help Cards */
.help-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.help-card {
    padding: 36px 28px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.help-card:hover {
    background: rgba(255, 255, 255, 0.07);
    transform: translateY(-4px);
}

.help-card__icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    background: var(--gradient-accent);
    border-radius: var(--radius-full);
    color: var(--dark);
    font-size: 24px;
}

.help-card h3 {
    font-family: var(--font-primary);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
}

.help-card p {
    font-size: 0.9rem;
    color: var(--gray-400);
    line-height: 1.7;
}

/* ========== IT SUPPLIES ========== */
.supplies__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.supply-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 32px 20px;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all var(--transition-base);
}

.supply-item:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
    border-color: var(--primary-light);
}

.supply-item i {
    font-size: 32px;
    color: var(--primary);
}

.supply-item span {
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--gray-700);
}

/* ========== CONTACT SECTION ========== */
.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info-card {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.contact-info-card:last-of-type {
    border-bottom: none;
}

.contact-info-card__icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 102, 0, 0.1);
    border-radius: var(--radius-sm);
    color: var(--secondary);
    font-size: 20px;
}

.contact-info-card h4 {
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--white);
    margin-bottom: 4px;
}

.contact-info-card p {
    color: var(--gray-400);
    font-size: 0.9rem;
    line-height: 1.6;
}

.contact-info-card a {
    color: var(--secondary);
}

.contact-info-card a:hover {
    color: var(--accent);
}

.contact__legal {
    margin-top: 24px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.contact__legal p {
    font-size: 0.85rem;
    color: var(--gray-400);
    margin-bottom: 4px;
}

.contact__legal strong {
    color: var(--gray-300);
}

/* Contact Form */
.contact__form-wrapper {
    padding: 40px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
}

.form-group {
    position: relative;
    margin-bottom: 24px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--white);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-500);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-light);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(42, 157, 143, 0.15);
}

.form-group label {
    display: none;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .btn {
    margin-top: 8px;
}

/* ========== FOOTER ========== */
.footer {
    background: #061a19;
    padding: 80px 0 0;
    color: var(--gray-400);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer__brand .nav__logo {
    margin-bottom: 20px;
}

.footer__description {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

.footer__social {
    display: flex;
    gap: 12px;
}

.footer__social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    color: var(--gray-400);
    font-size: 16px;
    transition: all var(--transition-fast);
}

.footer__social a:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.footer__links h4,
.footer__contact h4 {
    font-family: var(--font-primary);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1rem;
}

.footer__links ul li {
    margin-bottom: 10px;
}

.footer__links a {
    font-size: 0.9rem;
    color: var(--gray-400);
    transition: all var(--transition-fast);
}

.footer__links a:hover {
    color: var(--secondary);
    padding-left: 4px;
}

.footer__contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.footer__contact i {
    color: var(--primary-light);
    width: 16px;
}

.footer__contact a {
    color: var(--gray-400);
}

.footer__contact a:hover {
    color: var(--secondary);
}

.footer__bottom {
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* ========== BACK TO TOP ========== */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    color: var(--white);
    font-size: 18px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: 99;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

/* ========== FLOATING PARTICLES ========== */
.particle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    animation: floatParticle linear infinite;
}

@keyframes floatParticle {
    0% {
        transform: translateY(0) translateX(0) scale(1);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) translateX(50px) scale(0);
        opacity: 0;
    }
}

/* ========== RESPONSIVE ========== */
@media screen and (max-width: 1024px) {
    .hero__stats {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

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

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

@media screen and (max-width: 768px) {
    :root {
        --section-padding: 70px 0;
    }

    /* Mobile Navigation */
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: rgba(8, 31, 30, 0.98);
        backdrop-filter: blur(20px);
        padding: 100px 40px 40px;
        transition: right var(--transition-base);
        z-index: 99;
    }

    .nav__menu.show {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        gap: 4px;
    }

    .nav__link {
        display: block;
        padding: 12px 16px;
        font-size: 18px;
    }

    .nav__close {
        display: block;
        position: absolute;
        top: 28px;
        right: 28px;
        font-size: 24px;
        color: var(--white);
        cursor: pointer;
    }

    .nav__toggle {
        display: block;
    }

    .nav__cta {
        display: none;
    }

    /* Hero */
    .hero__stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        margin-top: 50px;
    }

    .hero__scroll {
        display: none;
    }

    /* About */
    .about__grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

    /* Services */
    .services__grid {
        grid-template-columns: 1fr;
    }

    /* Security */
    .security__grid {
        grid-template-columns: 1fr;
    }

    /* Solutions */
    .solutions__grid {
        grid-template-columns: 1fr 1fr;
    }

    .category-header {
        flex-direction: column;
    }

    /* Why Us */
    .why-us__grid {
        grid-template-columns: 1fr;
    }

    .help-cards {
        grid-template-columns: 1fr;
    }

    /* Supplies */
    .supplies__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Contact */
    .contact__grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact__form-wrapper {
        padding: 24px;
    }

    /* Footer */
    .footer__grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer__bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
}

@media screen and (max-width: 480px) {
    .hero__title {
        font-size: 2rem;
    }

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

    .stat-card__number {
        font-size: 1.5rem;
    }

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

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

    .values__grid {
        gap: 16px;
    }

    .value-item {
        min-width: 130px;
        padding: 16px 20px;
    }

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