/* ==========================================================================
   ScientiaTek Global Stylesheet - Bold Minimalist Corporate
   ========================================================================== */

/* --- CSS Variables --- */
:root {
    /* Color Palette - Modern Corporate Minimalist */
    --clr-primary: #0A192F;
    /* Deep Midnight Blue / Almost Black */
    --clr-primary-light: #112240;
    --clr-primary-dark: #020C1B;

    --clr-accent: #00E5FF;
    /* High-contrast Cyan */
    --clr-accent-hover: #00B8D4;

    --clr-text: #19202D;
    /* Off-black for better reading */
    --clr-text-light: #4A5568;
    /* Slate gray */
    --clr-text-muted: #A0AEC0;
    /* Light slate */

    --clr-bg: #F7FAFC;
    /* Off-white background */
    --clr-bg-alt: #EDF2F7;
    /* Slightly darker off-white */
    --clr-white: #FFFFFF;

    --clr-border: #E2E8F0;

    /* Typography */
    --font-primary: 'Inter', -apple-system, sans-serif;
    --font-heading: 'Outfit', -apple-system, sans-serif;

    /* Spacing - Increased for Minimalism */
    --spacing-xs: 0.75rem;
    /* 12px */
    --spacing-sm: 1.5rem;
    /* 24px */
    --spacing-md: 3rem;
    /* 48px */
    --spacing-lg: 6rem;
    /* 96px */
    --spacing-xl: 10rem;
    /* 160px */

    /* Layout */
    --container-max-width: 1280px;
    --border-radius-sm: 0px;
    /* Sharp corporate edges */
    --border-radius-md: 4px;
    /* Very subtle rounding */
    --border-radius-lg: 12px;

    /* Shadows & Transitions */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.025);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Animations / Scroll Reveals --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
    will-change: opacity, transform;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 {
    transition-delay: 0.1s;
}

.reveal-delay-2 {
    transition-delay: 0.2s;
}

.reveal-delay-3 {
    transition-delay: 0.3s;
}

.reveal-delay-4 {
    transition-delay: 0.4s;
}

/* --- Base & Reset --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    color: var(--clr-text);
    background-color: var(--clr-bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 1.05rem;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 800;
    /* Bolder */
    line-height: 1.1;
    margin-bottom: var(--spacing-sm);
    color: var(--clr-primary-dark);
    letter-spacing: -0.02em;
    /* Tighter tracking for modern look */
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    letter-spacing: -0.03em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.25rem;
}

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

a:hover {
    color: var(--clr-accent-hover);
}

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

ul,
ol {
    list-style: none;
}

/* --- Layout Utilities --- */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

.section-bg {
    background-color: var(--clr-white);
}

.section-dark {
    background-color: var(--clr-primary);
    color: var(--clr-white);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
    color: var(--clr-white);
}

.section-dark p {
    color: var(--clr-text-muted);
}

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

.mb-1 {
    margin-bottom: var(--spacing-xs);
}

.mb-2 {
    margin-bottom: var(--spacing-sm);
}

.mb-3 {
    margin-bottom: var(--spacing-md);
}

.mb-4 {
    margin-bottom: var(--spacing-lg);
}

.mt-1 {
    margin-top: var(--spacing-xs);
}

.mt-2 {
    margin-top: var(--spacing-sm);
}

.mt-3 {
    margin-top: var(--spacing-md);
}

.grid {
    display: grid;
    gap: var(--spacing-md);
}

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

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

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

@media (min-width: 768px) {
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

@media (min-width: 1024px) {
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }

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

/* --- Components --- */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 28px;
    /* Slightly reduced horizontal padding */
    border-radius: var(--border-radius-sm);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    /* Slightly reduced to fit better */
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    border: none;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    z-index: 1;
    white-space: nowrap;
    /* Keep text on one line */
}

.btn-primary {
    background-color: var(--clr-primary);
    color: var(--clr-white);
}

.btn-primary::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--clr-accent);
    z-index: -1;
    transform: scaleY(0);
    transform-origin: bottom center;
    transition: transform var(--transition-normal);
}

.btn-primary:hover {
    color: var(--clr-primary-dark);
}

.btn-primary:hover::after {
    transform: scaleY(1);
}

.btn-secondary {
    background-color: transparent;
    color: var(--clr-primary);
    border: 2px solid var(--clr-primary);
}

.btn-secondary:hover {
    background-color: var(--clr-primary);
    color: var(--clr-white);
}

/* Cards */
.card {
    background-color: var(--clr-white);
    padding: var(--spacing-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    border: 1px solid var(--clr-border);
    border-radius: var(--border-radius-sm);
}

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

.card-icon {
    font-size: 3rem;
    color: var(--clr-primary);
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-fast);
}

.card:hover .card-icon {
    color: var(--clr-accent);
}

/* Industry Cards - Enhanced Corporate Notch */
.industry-card {
    background-color: var(--clr-white);
    padding: var(--spacing-md) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    transition: all 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
    position: relative;
    overflow: hidden;
    z-index: 1;
    border: 1px solid var(--clr-border);
    border-bottom: 4px solid var(--clr-primary);
    display: block;
    text-align: center;
    color: inherit;
    text-decoration: none;
    box-shadow: var(--shadow-sm);
}

.industry-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--clr-primary-dark) 0%, var(--clr-primary) 100%);
    z-index: -1;
    transform: translateY(100%);
    transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.industry-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(0, 229, 255, 0.15) 0%, transparent 60%);
    opacity: 0;
    z-index: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

.industry-card:hover {
    border-color: transparent;
    transform: translateY(-12px);
    box-shadow: 0 25px 50px -12px rgba(2, 12, 27, 0.25);
    border-bottom: 4px solid var(--clr-accent);
}

.industry-card:hover::before {
    transform: translateY(0);
}

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

.industry-card i {
    font-size: 4rem;
    color: var(--clr-primary);
    margin-bottom: var(--spacing-sm);
    display: inline-block;
    transition: all 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
    position: relative;
    z-index: 2;
}

.industry-card h2 {
    margin: 0 0 10px 0;
    font-size: 1.75rem;
    transition: color 0.3s ease;
    position: relative;
    z-index: 2;
}

.industry-card p {
    position: relative;
    z-index: 2;
    transition: color 0.3s ease;
}

.industry-card:hover i {
    color: var(--clr-accent);
    transform: scale(1.1) translateY(-10px);
    filter: drop-shadow(0 0 10px rgba(0, 229, 255, 0.4));
}

.industry-card:hover h2,
.industry-card:hover p {
    color: var(--clr-white) !important;
}

/* Section Header */
.section-header {
    text-align: center;
    /* Changed from left down to center by default for this layout */
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    /* Center it within its parent container */
}

.section-header.text-left {
    text-align: left;
    margin-left: 0;
    margin-right: 0;
}

.section-subtitle {
    display: block;
    color: var(--clr-accent-hover);
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xs);
    font-size: 0.85rem;
}

/* --- Header & Navigation --- */
.site-header {
    background-color: var(--clr-bg);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: background-color var(--transition-normal), padding var(--transition-normal), box-shadow var(--transition-normal);
    padding: 0.8rem 0;
    /* Reduced padding from var(--spacing-sm) */
    border-bottom: 1px solid transparent;
}

.site-header img {
    max-height: 42px;
    /* Restrain the logo height */
    width: auto;
}

.site-header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 0.5rem 0;
    /* Tighter padding when scrolled */
    border-bottom: 1px solid var(--clr-border);
    box-shadow: var(--shadow-sm);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--clr-primary);
    letter-spacing: -0.05em;
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    /* Reduced from spacing-md to prevent wrapping */
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 4px;
    /* Space for the dropdown icon */
    font-family: var(--font-heading);
    color: var(--clr-text);
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
    padding: var(--spacing-xs) 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
    /* Prevent line breaks */
}

/* Ensure the parent nav item for dropdowns acts as relative anchor */
.nav-item.dropdown {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--clr-primary);
    transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--clr-primary);
}

/* Dropdown */
.dropdown-menu {
    position: absolute;
    top: 100%;
    /* Position directly below the header */
    left: 0;
    /* Aligned with the left edge of the "Services" nav link */
    background-color: var(--clr-bg);
    min-width: 280px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    transition: all var(--transition-fast);
    padding: var(--spacing-xs);
    z-index: 100;
    border: 1px solid var(--clr-border);
    border-top: 4px solid var(--clr-primary-dark);
}

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

.dropdown-link {
    display: block;
    padding: 14px 20px;
    color: var(--clr-text);
    font-weight: 600;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.dropdown-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background-color: var(--clr-primary-dark);
    z-index: -1;
    transition: width var(--transition-normal);
}

.dropdown-link:hover {
    color: var(--clr-white);
    padding-left: 26px;
}

.dropdown-link:hover::before {
    width: 100%;
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--clr-primary);
    cursor: pointer;
}

@media (max-width: 1023px) {
    .mobile-toggle {
        display: block;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        max-width: 400px;
        height: 100vh;
        background-color: var(--clr-white);
        box-shadow: var(--shadow-lg);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--spacing-xl) var(--spacing-md);
        transition: right var(--transition-normal);
        overflow-y: auto;
    }

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

    .nav-list {
        flex-direction: column;
        width: 100%;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .nav-item {
        width: 100%;
    }

    .nav-item.dropdown {
        display: block;
        height: auto;
    }

    .nav-link {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        padding: var(--spacing-sm) 0;
        font-size: 1.25rem;
        border-bottom: 1px solid var(--clr-bg-alt);
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        padding: 0 0 0 var(--spacing-sm);
        display: none;
    }

    .nav-item.dropdown.active .dropdown-menu {
        display: block;
    }

    .header-cta {
        margin-top: var(--spacing-md);
        width: 100%;
    }

    .header-cta .btn {
        width: 100%;
    }
}

/* Add padding to body for fixed header */
body {
    padding-top: 100px;
}

/* --- Hero Section - Modern Notched Up --- */
.hero {
    background-color: var(--clr-primary-dark);
    /* Switching to dark mode for extreme contrast hero */
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    position: relative;
    min-height: 95vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

/* Abstract Background Glows */
.hero::before,
.hero::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    z-index: 0;
    opacity: 0.6;
    animation: drift 20s infinite alternate ease-in-out;
}

.hero::before {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--clr-primary) 0%, transparent 70%);
    top: -200px;
    left: -200px;
}

.hero::after {
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 229, 255, 0.15) 0%, transparent 70%);
    bottom: -300px;
    right: -200px;
    animation-delay: -10s;
}

@keyframes drift {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(50px, 50px) scale(1.1);
    }
}

.hero-content {
    max-width: 1000px;
    position: relative;
    z-index: 2;
    text-align: center;
    margin: 0 auto;
}

.hero h1 {
    color: var(--clr-white);
    margin-bottom: var(--spacing-sm);
    text-transform: capitalize;
    font-size: clamp(3.5rem, 8vw, 6.5rem);
    line-height: 1;
    letter-spacing: -0.04em;
}

.hero h1 span {
    color: var(--clr-accent);
    display: block;
}

.hero p {
    font-size: 1.35rem;
    margin-bottom: var(--spacing-md);
    color: var(--clr-text-muted);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
}

.hero-btns {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
    margin-top: var(--spacing-md);
}

/* Interior Pages Hero */
.page-hero {
    background-color: var(--clr-primary);
    color: var(--clr-white);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.page-hero h1 {
    color: var(--clr-white);
    margin-bottom: var(--spacing-xs);
}

/* --- Features / Services List --- */
.service-list-card {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--clr-border);
}

.service-list-card:last-child {
    border-bottom: none;
}

.service-list-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background-color: var(--clr-bg-alt);
    color: var(--clr-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    border-radius: var(--border-radius-sm);
}

/* --- FAQs --- */
.faq-item {
    border-bottom: 1px solid var(--clr-border);
    margin-bottom: 0;
}

.faq-question {
    padding: var(--spacing-sm) 0;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--clr-primary-dark);
}

.faq-answer {
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal), opacity var(--transition-normal);
    opacity: 0;
}

.faq-item.active .faq-answer {
    padding-bottom: var(--spacing-sm);
    max-height: 500px;
    opacity: 1;
}

.faq-icon {
    transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

/* --- Forms --- */
.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--clr-primary);
}

.form-control {
    width: 100%;
    padding: 16px;
    background-color: var(--clr-bg);
    border: 1px solid transparent;
    border-bottom: 2px solid var(--clr-border);
    border-radius: 0;
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    background-color: var(--clr-white);
    border-bottom-color: var(--clr-primary);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

textarea.form-control {
    resize: vertical;
    min-height: 150px;
}

.form-error {
    color: #E53E3E;
    font-size: 0.875rem;
    margin-top: 8px;
    display: none;
}

/* --- Footer --- */
.site-footer {
    background-color: var(--clr-primary-dark);
    color: var(--clr-text-muted);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-top {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

@media (min-width: 1024px) {
    .footer-top {
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
    }
}

.footer-widget h4 {
    color: var(--clr-white);
    margin-bottom: var(--spacing-md);
    font-size: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-logo {
    display: block;
    margin-bottom: var(--spacing-md);
}

.footer-logo img {
    height: 40px;
    filter: brightness(0) invert(1);
}

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

.footer-links li {
    margin-bottom: 15px;
}

.footer-links a {
    color: var(--clr-text-muted);
    font-weight: 500;
}

.footer-links a:hover {
    color: var(--clr-accent);
}

.contact-info li {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    align-items: flex-start;
}

.contact-icon {
    color: var(--clr-accent);
    font-size: 1.5rem;
    line-height: 1;
}

.social-links {
    display: flex;
    gap: 20px;
    margin-top: var(--spacing-md);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--clr-white);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    color: var(--clr-accent);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

/* Minimal Box Art */
.minimal-box {
    background-color: var(--clr-bg-alt);
    height: 100%;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.minimal-box::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(0, 229, 255, 0.05) 0%, transparent 50%);
    top: -50%;
    left: -50%;
}

.minimal-box i {
    font-size: 5rem;
    color: var(--clr-text-muted);
    opacity: 0.5;
    z-index: 1;
}

.minimal-box-accent {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--clr-primary);
}