@import url("/assets/css/about.css");
@import url("/assets/css/contact.css");
@import url("/assets/css/software-development.css");
@import url("/assets/css/home.css");
/* =========================================================
   SECURE LINE TECH
   Global Frontend Design System
   ========================================================= */

:root {
    /* Brand Colors */
    --sl-green: #00C853;
    --sl-emerald: #00A651;
    --sl-dark-green: #006B3C;
    --sl-green-glow: #39FF88;
    --sl-cyan: #00E5FF;

    /* Neutral Colors */
    --sl-white: #FFFFFF;
    --sl-silver: #C0C6CC;
    --sl-light-gray: #E8ECEF;
    --sl-graphite: #2B2B2B;
    --sl-black: #111111;

    /* Functional */
    --sl-success: #00C853;
    --sl-warning: #FFC107;
    --sl-error: #FF3B30;
    --sl-info: #2196F3;

    /* Background */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F7F9FA;
    --bg-dark: #111111;
    --bg-dark-soft: #181C1F;

    /* Text */
    --text-primary: #111111;
    --text-secondary: #555D63;
    --text-muted: #7A838A;
    --text-white: #FFFFFF;

    /* Borders */
    --border-light: #E8ECEF;
    --border-medium: #D5DBDF;
    --border-dark: #343A3F;

    /* Typography */
    --font-primary: Inter, -apple-system, BlinkMacSystemFont,
        "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    --font-heading: Inter, -apple-system, BlinkMacSystemFont,
        "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    /* Font Sizes */
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-md: 1rem;
    --fs-lg: 1.125rem;
    --fs-xl: 1.25rem;
    --fs-2xl: 1.5rem;
    --fs-3xl: 2rem;
    --fs-4xl: 2.5rem;
    --fs-5xl: 3.25rem;
    --fs-6xl: 4rem;

    /* Spacing */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    --space-20: 80px;
    --space-24: 96px;

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(17, 17, 17, 0.06);
    --shadow-md: 0 8px 24px rgba(17, 17, 17, 0.08);
    --shadow-lg: 0 16px 40px rgba(17, 17, 17, 0.12);

    /* Layout */
    --container-width: 1200px;
    --container-wide: 1400px;
    --header-height: 76px;

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


/* =========================================================
   RESET
   ========================================================= */

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

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

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-primary);
    color: var(--text-primary);
    background: var(--bg-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

img,
svg,
video {
    display: block;
    max-width: 100%;
}

img {
    height: auto;
}

button,
input,
textarea,
select {
    font: inherit;
}

button {
    cursor: pointer;
}

a {
    color: inherit;
    text-decoration: none;
}

ul,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6,
p {
    margin-top: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    line-height: 1.2;
    font-weight: 700;
}


/* =========================================================
   GLOBAL LAYOUT
   ========================================================= */

.container {
    width: min(100% - 32px, var(--container-width));
    margin-inline: auto;
}

.container-wide {
    width: min(100% - 32px, var(--container-wide));
    margin-inline: auto;
}

.section {
    padding: var(--space-20) 0;
}

.section-sm {
    padding: var(--space-12) 0;
}

.section-lg {
    padding: var(--space-24) 0;
}


/* =========================================================
   TYPOGRAPHY
   ========================================================= */

.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.text-primary {
    color: var(--text-primary);
}

.text-secondary {
    color: var(--text-secondary);
}

.text-muted {
    color: var(--text-muted);
}

.text-green {
    color: var(--sl-green);
}

.text-white {
    color: var(--text-white);
}

.heading-xl {
    font-size: clamp(2.5rem, 6vw, var(--fs-6xl));
    letter-spacing: -0.04em;
}

.heading-lg {
    font-size: clamp(2rem, 4vw, var(--fs-5xl));
    letter-spacing: -0.03em;
}

.heading-md {
    font-size: clamp(1.75rem, 3vw, var(--fs-4xl));
    letter-spacing: -0.02em;
}

.heading-sm {
    font-size: var(--fs-2xl);
}

.lead {
    font-size: var(--fs-lg);
    color: var(--text-secondary);
    max-width: 700px;
}


/* =========================================================
   BUTTONS
   ========================================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 46px;
    padding: 11px 20px;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-size: var(--fs-md);
    font-weight: 600;
    line-height: 1;
    transition:
        transform var(--transition-fast),
        background var(--transition-fast),
        border-color var(--transition-fast),
        color var(--transition-fast),
        box-shadow var(--transition-fast);
}

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

.btn:focus-visible {
    outline: 3px solid rgba(0, 200, 83, 0.25);
    outline-offset: 2px;
}

.btn-primary {
    color: var(--sl-white);
    background: var(--sl-green);
    box-shadow: 0 6px 18px rgba(0, 200, 83, 0.20);
}

.btn-primary:hover {
    background: var(--sl-emerald);
    box-shadow: 0 8px 22px rgba(0, 200, 83, 0.28);
}

.btn-secondary {
    color: var(--sl-dark-green);
    background: var(--sl-white);
    border-color: var(--sl-green);
}

.btn-secondary:hover {
    background: #F3FFF8;
}

.btn-dark {
    color: var(--sl-white);
    background: var(--sl-black);
}

.btn-dark:hover {
    background: #222629;
}

.btn-outline {
    color: var(--text-primary);
    background: transparent;
    border-color: var(--border-medium);
}

.btn-outline:hover {
    border-color: var(--sl-green);
    color: var(--sl-dark-green);
}

.btn-lg {
    min-height: 54px;
    padding: 14px 26px;
    font-size: var(--fs-lg);
}

.btn-sm {
    min-height: 38px;
    padding: 9px 14px;
    font-size: var(--fs-sm);
}


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

.card {
    background: var(--sl-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.card-body {
    padding: var(--space-6);
}

.card-hover {
    transition:
        transform var(--transition-normal),
        box-shadow var(--transition-normal),
        border-color var(--transition-normal);
}

.card-hover:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 200, 83, 0.35);
    box-shadow: var(--shadow-lg);
}


/* =========================================================
   BADGES
   ========================================================= */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: var(--radius-full);
    font-size: var(--fs-xs);
    font-weight: 700;
    line-height: 1;
}

.badge-green {
    color: var(--sl-dark-green);
    background: rgba(0, 200, 83, 0.10);
}

.badge-dark {
    color: var(--sl-white);
    background: var(--sl-black);
}

.badge-cyan {
    color: #006A75;
    background: rgba(0, 229, 255, 0.12);
}


/* =========================================================
   FORMS
   ========================================================= */

.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--fs-sm);
    font-weight: 600;
}

.form-control {
    width: 100%;
    min-height: 48px;
    padding: 12px 14px;
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    background: var(--sl-white);
    color: var(--text-primary);
    outline: none;
    transition:
        border-color var(--transition-fast),
        box-shadow var(--transition-fast);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-control:focus {
    border-color: var(--sl-green);
    box-shadow: 0 0 0 3px rgba(0, 200, 83, 0.12);
}

textarea.form-control {
    min-height: 130px;
    resize: vertical;
}


/* =========================================================
   ALERTS
   ========================================================= */

.alert {
    padding: 14px 16px;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    font-size: var(--fs-sm);
}

.alert-success {
    color: #087A3A;
    background: #ECFFF4;
    border-color: #B8F2D0;
}

.alert-error {
    color: #B42318;
    background: #FFF1F0;
    border-color: #FFD0CC;
}

.alert-warning {
    color: #8A5A00;
    background: #FFF9E8;
    border-color: #FFE39A;
}

.alert-info {
    color: #145DA0;
    background: #EEF7FF;
    border-color: #C7E3FF;
}


/* =========================================================
   BACKGROUNDS
   ========================================================= */

.bg-white {
    background: var(--bg-primary);
}

.bg-light {
    background: var(--bg-secondary);
}

.bg-dark {
    background: var(--bg-dark);
    color: var(--text-white);
}

.bg-green {
    background: var(--sl-green);
    color: var(--sl-white);
}

.bg-gradient-green {
    background:
        radial-gradient(
            circle at top right,
            rgba(57, 255, 136, 0.16),
            transparent 35%
        ),
        linear-gradient(
            135deg,
            #006B3C 0%,
            #00A651 50%,
            #00C853 100%
        );
}


/* =========================================================
   GREEN GLOW
   ========================================================= */

.green-glow {
    box-shadow:
        0 0 20px rgba(0, 200, 83, 0.18),
        0 0 50px rgba(0, 200, 83, 0.08);
}

.text-glow {
    text-shadow:
        0 0 18px rgba(57, 255, 136, 0.30);
}


/* =========================================================
   GRID
   ========================================================= */

.grid {
    display: grid;
    gap: var(--space-6);
}

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

.grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}


/* =========================================================
   FLEX UTILITIES
   ========================================================= */

.flex {
    display: flex;
}

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

.items-center {
    align-items: center;
}

.items-start {
    align-items: flex-start;
}

.items-end {
    align-items: flex-end;
}

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

.justify-between {
    justify-content: space-between;
}

.gap-2 {
    gap: var(--space-2);
}

.gap-3 {
    gap: var(--space-3);
}

.gap-4 {
    gap: var(--space-4);
}

.gap-6 {
    gap: var(--space-6);
}

.gap-8 {
    gap: var(--space-8);
}


/* =========================================================
   VISIBILITY
   ========================================================= */

.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}


/* =========================================================
   ACCESSIBILITY
   ========================================================= */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: fixed;
    top: -100px;
    left: 16px;
    z-index: 9999;
    padding: 12px 16px;
    color: var(--sl-white);
    background: var(--sl-black);
    border-radius: var(--radius-md);
}

.skip-link:focus {
    top: 16px;
}


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

@media (max-width: 1024px) {
    :root {
        --space-20: 64px;
        --space-24: 80px;
        --fs-6xl: 3.5rem;
    }

    .grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grid-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}


@media (max-width: 768px) {
    :root {
        --header-height: 68px;
        --space-16: 48px;
        --space-20: 56px;
        --space-24: 64px;
    }

    .container,
    .container-wide {
        width: min(100% - 24px, var(--container-width));
    }

    .section {
        padding: var(--space-16) 0;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .btn-lg {
        width: 100%;
    }
}


@media (max-width: 480px) {
    html {
        font-size: 15px;
    }

    .container,
    .container-wide {
        width: min(100% - 20px, var(--container-width));
    }

    .card-body {
        padding: var(--space-4);
    }

    .btn {
        width: 100%;
    }
}


/* =========================================================
   REDUCED MOTION
   ========================================================= */

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