/* ==========================================================================
   Global Variables & Base Styles
   ========================================================================== */

:root {
    /* Colors */
    --color-primary: #1D4ED8;
    /* Rich Corporate Blue (Tailwind Blue-700) */
    --color-primary-dark: #1E40AF;
    /* Deep Blue (Tailwind Blue-800) */
    --color-primary-light: #DBEAFE;
    /* Tailwind Blue-100 */
    --color-secondary: #0284C7;
    /* Tailwind Sky-600 */
    --color-accent: #F97316;
    /* Tailwind Orange-500 */

    --color-dark: #0A1128;
    --color-dark-surface: #121E3F;
    --color-text-main: #2D3748;
    --color-text-muted: #718096;

    --color-white: #FFFFFF;
    --color-bg-body: #F7FAFC;
    --color-bg-light: #EDF2F7;

    /* Typography */
    --font-family: 'Rubik', system-ui, -apple-system, sans-serif;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);

    /* UI Elements */
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --border-radius-xl: 32px;
    --border-radius-round: 999px;

    --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, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 20px rgba(0, 229, 255, 0.3);
}

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

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

body {
    font-family: var(--font-family);
    color: var(--color-text-main);
    background-color: var(--color-bg-body);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography Base */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--color-dark);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

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

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
}

p {
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

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

/* Utilities */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-padding {
    padding: 5rem 0;
}

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

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

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

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

.bg-dark p.subtitle {
    color: #A0AEC0;
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
    border-radius: var(--border-radius-round);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: 0.5px;
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Micro-animations: Reveal */
[data-reveal] {
    opacity: 0;
    transition: all var(--transition-slow);
}

[data-reveal="fade-up"] {
    transform: translateY(40px);
}

[data-reveal="fade-down"] {
    transform: translateY(-40px);
}

[data-reveal="fade-left"] {
    transform: translateX(40px);
}

[data-reveal="fade-right"] {
    transform: translateX(-40px);
}

[data-reveal="zoom-in"] {
    transform: scale(0.9);
}

[data-reveal].is-revealed {
    opacity: 1;
    transform: translate(0) scale(1);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-family: var(--font-family);
    font-weight: 600;
    border-radius: var(--border-radius-round);
    border: none;
    cursor: pointer;
    transition: all var(--transition-medium);
    text-decoration: none;
}

.btn-sm {
    padding: 0.6rem 1.5rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
}

.btn-primary {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    box-shadow: 0 4px 14px 0 rgba(29, 78, 216, 0.4);
}

.btn-primary:hover {
    background-color: var(--color-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(10, 17, 40, 0.3);
    color: var(--color-white);
}

.btn-secondary {
    background-color: #0584c7;
    /* Custom Sky Blue requested by user */
    color: var(--color-white);
}

.btn-secondary:hover {
    background-color: #00D0E8;
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.CTA-pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 229, 255, 0.7);
    }

    70% {
        box-shadow: 0 0 0 15px rgba(0, 229, 255, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(0, 229, 255, 0);
    }
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.25rem 0;
    background: transparent;
    transition: all var(--transition-medium);
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: 0.75rem 0;
}

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

.logo a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-dark);
    letter-spacing: -0.5px;
}

.site-header:not(.scrolled) .logo a {
    color: var(--color-white);
}

.logo-badge {
    background-color: var(--color-primary);
    color: var(--color-white) !important;
    padding: 0.2rem 0.5rem;
    border-radius: 0.4rem;
    font-size: 1.4rem;
}

.main-nav ul {
    display: flex;
    gap: 2rem;
}

.main-nav a {
    color: var(--color-dark);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.site-header:not(.scrolled) .main-nav a {
    color: var(--color-white);
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0;
    height: 2px;
    background: var(--color-secondary);
    transition: width var(--transition-fast);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--color-dark);
    cursor: pointer;
}

.site-header:not(.scrolled) .menu-toggle {
    color: var(--color-white);
}

/* ==========================================================================
   Hero Section (Area 1)
   ========================================================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: url('../images/hero.png') no-repeat center center/cover;
    padding-top: 5rem;
    /* for header offset */
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 17, 40, 0.9) 0%, rgba(10, 17, 40, 0.6) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-text h1 {
    color: var(--color-white);
    margin-bottom: 1.5rem;
}

.hero-text .subtitle {
    color: var(--color-bg-light);
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    margin-bottom: 2.5rem;
    font-weight: 300;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    width: 700px;
    max-width: 100%;
}

.hero-cta .btn {
    flex: 1;
    justify-content: center;
}

/* ==========================================================================
   About Section (Area 2)
   ========================================================================== */
.grid-2-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-content .lead {
    font-size: 1.25rem;
    color: var(--color-text-main);
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.about-content p {
    color: var(--color-text-muted);
    font-size: 1.05rem;
}

.about-visual {
    position: relative;
}

.image-wrapper {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.image-wrapper img {
    transition: transform var(--transition-slow);
}

.about-visual:hover .main-img img {
    transform: scale(1.05);
}

.floating-img {
    position: absolute;
    bottom: -15%;
    right: -10%;
    width: 60%;
    border: 8px solid var(--color-bg-body);
    box-shadow: var(--shadow-lg);
    z-index: 2;
}

.experience-badge {
    position: absolute;
    top: 5%;
    left: -5%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-xl);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: var(--shadow-md);
    z-index: 3;
    font-weight: 600;
    color: var(--color-dark);
}

.experience-badge i {
    font-size: 1.5rem;
    color: var(--color-secondary);
}

/* ==========================================================================
   Services Section (Area 3)
   ========================================================================== */
#services {
    position: relative;
    overflow: hidden;
    z-index: 1;
}

#services::before {
    content: '';
    position: absolute;
    bottom: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 100vw;
    height: 100%;
    background: radial-gradient(ellipse at bottom, rgba(147, 197, 253, 0.4) 0%, rgba(219, 234, 254, 0.2) 50%, transparent 80%);
    z-index: -1;
    border-radius: 50%;
    filter: blur(80px);
    animation: float-particle 15s ease-in-out infinite alternate;
}

.section-header {
    margin-bottom: 4rem;
    max-width: 800px;
    margin-inline: auto;
}

.section-desc {
    color: var(--color-text-muted);
    font-size: 1.1rem;
}

.service-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.service-card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-medium);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.card-img {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.card-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.4), transparent);
}

.card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.service-card:hover .card-img img {
    transform: scale(1.1);
}

.card-content {
    padding: 2rem;
    position: relative;
}

.icon-box {
    position: absolute;
    top: -2.5rem;
    right: 2rem;
    width: 5rem;
    height: 5rem;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--border-radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 10px 20px rgba(0, 80, 255, 0.3);
    border: 4px solid var(--color-white);
    transition: transform var(--transition-fast);
}

.service-card:hover .icon-box {
    background: var(--color-secondary);
    color: var(--color-dark);
    transform: rotate(15deg);
}

.card-content h3 {
    margin-bottom: 1rem;
    margin-top: 1.5rem;
    font-size: 1.25rem;
}

.card-content p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 0;
}

.future-features {
    background: var(--color-dark-surface);
    color: var(--color-white);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    margin-bottom: 4rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 30px rgba(0, 208, 232, 0.15), 0 10px 30px rgba(0, 0, 0, 0.4);
}

.future-features::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.1) 0%, transparent 70%);
}

.future-title {
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.future-title i {
    color: var(--color-accent);
}

.feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
}

.feature-tags li {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    padding: 0.75rem 1.25rem;
    border-radius: var(--border-radius-round);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.feature-tags li:hover {
    background: var(--color-primary);
    transform: translateY(-2px);
}

.feature-tags i {
    color: var(--color-secondary);
    font-size: 1.25rem;
}

.services-highlight {
    text-align: center;
    margin-top: 4rem;
    position: relative;
    background: transparent;
    transition: transform var(--transition-medium);
}



@keyframes float-particle {
    0% {
        transform: translateX(-50%) scale(1);
    }

    50% {
        transform: translate(-45%, -5%) scale(1.15);
    }

    100% {
        transform: translate(-55%, 5%) scale(1);
    }
}

.services-highlight:hover {
    transform: scale(1.02);
}

.highlight-text {
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 2rem;
    color: var(--color-dark);
    line-height: 1.4;
    position: relative;
    z-index: 2;
}

/* ==========================================================================
   Approach Section (Area 4)
   ========================================================================== */
.approach {
    padding: 8rem 0;
    position: relative;
    background: url('https://images.unsplash.com/photo-1504384308090-c894fdcc538d?auto=format&fit=crop&w=2070&q=80') center/cover fixed;
}

.approach-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(10, 17, 40, 0.95), rgba(0, 80, 255, 0.85));
}

.approach-content {
    position: relative;
    z-index: 2;
    padding: 0 1rem;
}

.approach-content h2 {
    color: var(--color-white);
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1rem;
}

.approach-content .subtitle {
    color: var(--color-bg-light);
    font-size: clamp(1.2rem, 2vw, 1.5rem);
    max-width: 800px;
    margin: 0 auto;
}

/* ==========================================================================
   FAQ Section (Area 5)
   ========================================================================== */
.faq-container {
    max-width: 800px;
}

.accordion {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.accordion-item {
    background: var(--color-white);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--transition-fast);
}

.accordion-item:hover {
    box-shadow: var(--shadow-md);
}

.accordion-item.active {
    border-right: 4px solid var(--color-primary);
}

.accordion-header {
    width: 100%;
    text-align: right;
    padding: 1.5rem;
    background: none;
    border: none;
    font-family: inherit;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: color var(--transition-fast);
}

.accordion-item.active .accordion-header {
    color: var(--color-primary);
}

.accordion-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: 50%;
    transition: transform var(--transition-fast);
}

.accordion-item.active .accordion-icon {
    transform: rotate(45deg);
    background: var(--color-primary);
    color: var(--color-white);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-medium);
}

.accordion-content p {
    padding: 0 1.5rem 1.5rem;
    color: var(--color-text-muted);
    margin: 0;
}

/* ==========================================================================
   Contact Section (Area 6)
   ========================================================================== */
.contact {
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 80, 255, 0.2) 0%, transparent 70%);
}

.contact-grid {
    align-items: start;
    gap: 4rem;
}

.contact-info h2 {
    color: var(--color-white);
    margin-bottom: 1rem;
}

.contact-info .subtitle {
    color: #A0AEC0;
    margin-bottom: 2.5rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-item .icon {
    width: 3.5rem;
    height: 3.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-secondary);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.contact-item .text {
    display: flex;
    flex-direction: column;
}

.contact-item .text span {
    color: #A0AEC0;
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.contact-item .text a {
    color: var(--color-white);
    font-weight: 500;
    font-size: 1.1rem;
}

.contact-item .text a:hover {
    color: var(--color-secondary);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 3rem;
    height: 3rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.25rem;
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
}

/* Contact Form */
.contact-form-wrapper {
    background: linear-gradient(-35deg, var(--color-dark), var(--color-dark-surface));
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    position: relative;
    z-index: 2;
}

.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-group-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.floating-label label {
    position: absolute;
    top: 1.1rem;
    right: 1rem;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 400;
    margin-bottom: 0;
    font-size: 1rem;
    pointer-events: none;
    transition: all var(--transition-medium);
}

.floating-label input,
.floating-label textarea {
    width: 100%;
    padding: 1.5rem 1rem 0.6rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-white);
    background: transparent;
    transition: all var(--transition-fast);
}

.floating-label input:focus,
.floating-label textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
    background: transparent;
}

.floating-label input:focus~label,
.floating-label input:not(:placeholder-shown)~label,
.floating-label textarea:focus~label,
.floating-label textarea:not(:placeholder-shown)~label {
    top: 0.4rem;
    right: 1rem;
    font-size: 0.75rem;
    color: var(--color-primary-light);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background: #060A18;
    color: #A0AEC0;
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 992px) {

    .grid-2-col,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-visual {
        margin-top: 3rem;
    }

    .floating-img {
        right: auto;
        left: 0;
        width: 50%;
    }

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

@media (max-width: 768px) {
    .section-padding {
        padding: 4rem 0;
    }

    /* Header & Nav */
    .menu-toggle {
        display: block;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80vw;
        max-width: 400px;
        height: 100vh;
        background: var(--color-white);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
        padding: 6rem 2rem 2rem;
        transition: right var(--transition-medium);
        z-index: 999;
    }

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

    .main-nav ul {
        flex-direction: column;
        gap: 1.5rem;
    }

    .main-nav a {
        display: block;
        font-size: 1.25rem;
        color: var(--color-dark) !important;
    }

    .header-actions .btn {
        display: none;
    }

    /* Hide CTA on mobile header to save space */

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

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

    .future-features {
        padding: 2rem;
    }

    .form-group-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .contact-form-wrapper {
        padding: 2rem 1.5rem;
    }

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

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 2.25rem;
    }

    .feature-tags li {
        width: 100%;
        justify-content: center;
    }
}