/* ==========================================================================
   RH ACCUBOOKS - DESIGN SYSTEM & STYLESHEET
   ========================================================================== */

/* --- CSS VARIABLES & TOKENS --- */
:root {
    /* Color Palette */
    --color-primary: #0B2545;            /* Premium Navy Blue */
    --color-primary-light: #134074;      /* Medium Navy Blue */
    --color-primary-dark: #081C33;       /* Deep Dark Navy */
    --color-accent: #FF7A00;             /* Vibrant Logo Orange */
    --color-accent-hover: #E06600;       /* Darker Accent Orange */
    --color-accent-light: #FFF2E6;      /* Super Light Orange for highlights */
    
    /* Neutrals */
    --color-text-main: #1E293B;          /* Charcoal Dark */
    --color-text-muted: #64748B;         /* Slate Grey */
    --color-text-white: #FFFFFF;         /* White */
    --color-bg-main: #FFFFFF;
    --color-bg-alt: #F8FAFC;             /* Very Light Grey-Blue */
    --color-bg-dark: #051329;            /* Pitch Navy for dark backgrounds */
    
    /* Status Colors */
    --color-success: #10B981;
    --color-error: #EF4444;
    --color-success-light: #ECFDF5;
    --color-error-light: #FEF2F2;

    /* Fonts */
    --font-body: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;

    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(11, 37, 69, 0.04);
    --shadow-md: 0 10px 24px rgba(11, 37, 69, 0.08);
    --shadow-lg: 0 20px 48px rgba(11, 37, 69, 0.12);
    --shadow-inset: inset 0 2px 4px rgba(11, 37, 69, 0.06);

    /* Border Radii */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 24px;
    --radius-full: 9999px;

    /* Max Widths */
    --container-width: 1200px;
    --header-height: 80px;
    --header-shrink-height: 70px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-shrink-height);
    font-size: 16px;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text-main);
    background-color: var(--color-bg-main);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.25;
}

p {
    margin-bottom: 1rem;
    color: var(--color-text-muted);
}

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

ul, ol {
    list-style: none;
}

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

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

/* --- SCROLLBAR --- */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--color-bg-alt);
}
::-webkit-scrollbar-thumb {
    background: #CBD5E1;
    border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* --- UTILITY CLASSES --- */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

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

.section-header {
    margin-bottom: 60px;
    max-width: 700px;
}
.section-header.text-center {
    margin-left: auto;
    margin-right: auto;
}

.section-subtitle {
    font-family: var(--font-heading);
    color: var(--color-accent);
    text-transform: uppercase;
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.25rem;
    margin-bottom: 16px;
    position: relative;
    letter-spacing: -0.5px;
}

.section-title span {
    color: var(--color-accent);
}

.section-desc {
    font-size: 1.125rem;
    color: var(--color-text-muted);
}

.section-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
    border-radius: var(--radius-full);
    margin-top: 15px;
}
.text-center .section-divider {
    margin-left: auto;
    margin-right: auto;
}

/* --- BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 600;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-smooth);
    gap: 8px;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-text-white);
    box-shadow: 0 4px 14px rgba(255, 122, 0, 0.3);
}
.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 122, 0, 0.4);
}
.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background-color: rgba(11, 37, 69, 0.05);
    color: var(--color-primary);
    border: 1px solid rgba(11, 37, 69, 0.1);
}
.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-text-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(11, 37, 69, 0.15);
}

.btn-block {
    display: flex;
    width: 100%;
}

.badge {
    background-color: var(--color-accent-light);
    color: var(--color-accent);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    display: inline-block;
    margin-bottom: 20px;
}

/* --- KEYFRAME ANIMATIONS --- */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

@keyframes glow {
    0% { opacity: 0.5; }
    50% { opacity: 0.8; }
    100% { opacity: 0.5; }
}

.floating-animation {
    animation: float 5s ease-in-out infinite;
}

/* --- HEADER & NAVIGATION --- */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: transparent;
    z-index: 1000;
    display: flex;
    align-items: center;
    transition: var(--transition-smooth);
    padding: 10px 0;
}

.main-header.scrolled {
    height: var(--header-height);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid rgba(11, 37, 69, 0.05);
}

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

.header-logo {
    height: var(--header-shrink-height);
    width: 150px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    transition: var(--transition-smooth);
}


.nav-menu ul {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--color-primary);
    position: relative;
    padding: 8px 0;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: var(--transition-smooth);
}
.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}
.nav-link:hover,
.nav-link.active {
    color: var(--color-accent);
}

.nav-cta {
    padding: 10px 20px;
    font-size: 0.9rem;
}

.mobile-nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    cursor: pointer;
    z-index: 1001;
}
.mobile-nav-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
    transition: var(--transition-smooth);
}

/* --- HERO SECTION --- */
.hero-section {
    padding: 180px 0 100px;
    background-color: var(--color-bg-alt);
    position: relative;
    overflow: hidden;
}

.hero-bg-shapes .shape {
    position: absolute;
    border-radius: var(--radius-full);
    filter: blur(100px);
    animation: glow 8s ease-in-out infinite;
}
.hero-bg-shapes .shape-1 {
    width: 300px;
    height: 300px;
    background: rgba(255, 122, 0, 0.1);
    top: -50px;
    right: 10%;
}
.hero-bg-shapes .shape-2 {
    width: 400px;
    height: 400px;
    background: rgba(11, 37, 69, 0.05);
    bottom: -100px;
    left: -100px;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    z-index: 2;
}

.hero-title {
    font-size: 3.25rem;
    line-height: 1.15;
    margin-bottom: 12px;
    letter-spacing: -1.5px;
}
.hero-title span {
    color: var(--color-accent);
}

.hero-subtitle {
    font-size: 1.75rem;
    color: var(--color-primary-light);
    margin-bottom: 24px;
    font-weight: 600;
    line-height: 1.25;
}

.hero-desc {
    font-size: 1.2rem;
    margin-bottom: 35px;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 50px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    border-top: 1px solid rgba(11, 37, 69, 0.1);
    padding-top: 30px;
}

.stat-item h3 {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-image-wrapper {
    position: relative;
    z-index: 2;
}
.hero-image-wrapper::before {
    content: '';
    position: absolute;
    top: 5%;
    left: 5%;
    width: 90%;
    height: 90%;
    background: radial-gradient(circle, rgba(255,122,0,0.1) 0%, rgba(255,255,255,0) 70%);
    z-index: -1;
}

.hero-img {
    width: 100%;
    filter: drop-shadow(0 20px 40px rgba(11, 37, 69, 0.15));
}

/* --- ABOUT SECTION --- */
.about-section {
    padding: 100px 0;
    background-color: var(--color-bg-main);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-info-panel .lead-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.5;
    margin-bottom: 20px;
}

.about-info-panel p {
    font-size: 1.05rem;
    margin-bottom: 20px;
}

.about-vision-mission {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.about-vision-mission .card {
    background-color: var(--color-bg-alt);
    border: 1px solid rgba(11, 37, 69, 0.05);
    padding: 30px;
    border-radius: var(--radius-md);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.about-vision-mission .card:hover {
    background-color: var(--color-bg-main);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: rgba(255, 122, 0, 0.15);
}

.card-icon {
    font-size: 2rem;
    color: var(--color-accent);
    margin-bottom: 5px;
}

.about-vision-mission h3 {
    font-size: 1.25rem;
}

/* --- SERVICES SECTION --- */
.services-section {
    padding: 100px 0;
    background-color: var(--color-bg-alt);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-card {
    background-color: var(--color-bg-main);
    border: 1px solid rgba(11, 37, 69, 0.05);
    border-radius: var(--radius-md);
    padding: 35px 30px;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-smooth);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.service-card:hover::before {
    transform: scaleX(1);
    background-color: var(--color-accent);
}

.service-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(11, 37, 69, 0.05);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--color-primary);
    margin-bottom: 25px;
    transition: var(--transition-smooth);
}

.service-card:hover .service-icon {
    background-color: var(--color-accent);
    color: var(--color-text-white);
    transform: scale(1.05);
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 15px;
    line-height: 1.35;
}

.service-card p {
    font-size: 0.95rem;
    margin-bottom: 20px;
    flex-grow: 1;
}

.service-features {
    border-top: 1px solid rgba(11, 37, 69, 0.08);
    padding-top: 15px;
    margin-bottom: 25px;
}

.service-features li {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}
.service-features li i {
    color: var(--color-accent);
    font-size: 0.8rem;
}

.service-link {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: auto;
}
.service-link i {
    transition: var(--transition-smooth);
}
.service-card:hover .service-link {
    color: var(--color-accent);
}
.service-card:hover .service-link i {
    transform: translateX(4px);
}

/* --- WHY CHOOSE US --- */
.why-choose-us-section {
    padding: 100px 0;
    background-color: var(--color-bg-main);
}

.why-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.why-desc {
    font-size: 1.1rem;
    margin-bottom: 35px;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.feature-item {
    display: flex;
    gap: 20px;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(255, 122, 0, 0.1);
    color: var(--color-accent);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    flex-shrink: 0;
}

.feature-text h3 {
    font-size: 1.15rem;
    margin-bottom: 6px;
}

.feature-text p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

.why-visual-card {
    background-color: var(--color-primary-dark);
    color: var(--color-text-white);
    padding: 50px 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}
.why-visual-card::after {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 150px;
    height: 150px;
    background-color: rgba(255, 122, 0, 0.1);
    border-radius: var(--radius-full);
}

.visual-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    background-color: rgba(255, 255, 255, 0.1);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    margin-bottom: 25px;
}
.visual-badge i {
    color: var(--color-accent);
}

.why-visual-card h3 {
    color: var(--color-text-white);
    font-size: 1.85rem;
    margin-bottom: 20px;
}

.why-visual-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
    margin-bottom: 40px;
}

.data-points {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
}

.dp-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.dp-num {
    font-family: var(--font-heading);
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--color-accent);
}

.dp-txt {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: rgba(255, 255, 255, 0.6);
}

/* --- OUR PROCESS --- */
.process-section {
    padding: 100px 0;
    background-color: var(--color-bg-alt);
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    position: relative;
    margin-top: 40px;
}
.process-timeline::before {
    content: '';
    position: absolute;
    top: 35px;
    left: 10%;
    width: 80%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-primary-light));
    z-index: 1;
}

.process-step {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.step-num {
    width: 70px;
    height: 70px;
    background-color: var(--color-bg-main);
    border: 3px solid var(--color-primary-light);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 25px;
    transition: var(--transition-bounce);
    box-shadow: var(--shadow-sm);
}

.process-step:hover .step-num {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-text-white);
    transform: scale(1.1);
}

.step-content h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
}

.step-content p {
    font-size: 0.9rem;
    line-height: 1.5;
}

/* --- INDUSTRIES WE SERVE --- */
.industries-section {
    padding: 100px 0;
    background-color: var(--color-bg-main);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.industry-card {
    background-color: var(--color-bg-alt);
    border: 1px solid rgba(11, 37, 69, 0.05);
    border-radius: var(--radius-md);
    padding: 30px;
    transition: var(--transition-smooth);
}
.industry-card:hover {
    background-color: var(--color-primary);
    color: var(--color-text-white);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.ind-icon {
    font-size: 1.75rem;
    color: var(--color-accent);
    margin-bottom: 15px;
}

.industry-card h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
    transition: var(--transition-smooth);
}
.industry-card:hover h3 {
    color: var(--color-text-white);
}

.industry-card p {
    font-size: 0.85rem;
    margin-bottom: 0;
    line-height: 1.5;
    transition: var(--transition-smooth);
}
.industry-card:hover p {
    color: rgba(255, 255, 255, 0.8);
}

/* --- TESTIMONIALS SECTION --- */
.testimonials-section {
    padding: 100px 0;
    background-color: var(--color-bg-dark);
    color: var(--color-text-white);
}

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

.testimonials-slider-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.slider-track {
    display: flex;
    position: relative;
    height: 300px;
}

.testimonial-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transform: scale(0.95);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    justify-content: center;
    align-items: center;
}

.testimonial-slide.active {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.review-card {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 50px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    width: 100%;
}

.rating {
    color: var(--color-accent);
    font-size: 1.1rem;
    margin-bottom: 25px;
    display: flex;
    justify-content: center;
    gap: 4px;
}

.quote {
    font-size: 1.25rem;
    font-style: italic;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    margin-bottom: 25px;
}

.client-meta h4 {
    color: var(--color-text-white);
    font-size: 1.1rem;
    margin-bottom: 4px;
}
.client-meta span {
    font-size: 0.85rem;
    color: var(--color-accent);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.slider-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    margin-top: 20px;
}

.slider-btn {
    width: 44px;
    height: 44px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-white);
    cursor: pointer;
    transition: var(--transition-smooth);
}
.slider-btn:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

.slider-dots {
    display: flex;
    gap: 10px;
}
.slider-dots .dot {
    width: 8px;
    height: 8px;
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-smooth);
}
.slider-dots .dot.active {
    background-color: var(--color-accent);
    width: 24px;
}

/* --- FAQ SECTION --- */
.faq-section {
    padding: 100px 0;
    background-color: var(--color-bg-alt);
}

.faq-accordion-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.accordion-item {
    background-color: var(--color-bg-main);
    border: 1px solid rgba(11, 37, 69, 0.05);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition-smooth);
}
.accordion-item:hover {
    box-shadow: var(--shadow-sm);
    border-color: rgba(11, 37, 69, 0.1);
}

.accordion-trigger {
    width: 100%;
    padding: 24px 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
    cursor: pointer;
}

.accordion-icon {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    transition: var(--transition-smooth);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-content p {
    padding: 0 30px 24px;
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-bottom: 0;
}

/* Accordion Active State */
.accordion-item.active {
    border-color: rgba(255, 122, 0, 0.15);
    box-shadow: var(--shadow-md);
}
.accordion-item.active .accordion-icon {
    transform: rotate(180deg);
    color: var(--color-accent);
}

/* --- CONTACT SECTION --- */
.contact-section {
    padding: 100px 0;
    background-color: var(--color-bg-main);
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 50px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.info-card {
    display: flex;
    gap: 20px;
    background-color: var(--color-bg-alt);
    border: 1px solid rgba(11, 37, 69, 0.04);
    padding: 24px;
    border-radius: var(--radius-md);
}

.info-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(11, 37, 69, 0.05);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.info-details h3 {
    font-size: 1.05rem;
    margin-bottom: 4px;
}
.info-details p,
.info-details a {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 0;
}
.info-details a:hover {
    color: var(--color-accent);
}

.map-container {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(11, 37, 69, 0.05);
}

.form-wrapper {
    background-color: var(--color-bg-alt);
    border: 1px solid rgba(11, 37, 69, 0.05);
    padding: 45px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.form-wrapper h3 {
    font-size: 1.5rem;
    margin-bottom: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
}

.form-control {
    width: 100%;
    padding: 14px 20px;
    background-color: var(--color-bg-main);
    border: 1px solid rgba(11, 37, 69, 0.1);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    color: var(--color-text-main);
    transition: var(--transition-smooth);
}
.form-control:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(255, 122, 0, 0.15);
}

textarea.form-control {
    resize: none;
}

.error-msg {
    font-size: 0.8rem;
    color: var(--color-error);
    display: none;
    margin-top: -4px;
}

.form-group.has-error .form-control {
    border-color: var(--color-error);
    background-color: var(--color-error-light);
}
.form-group.has-error .error-msg {
    display: block;
}

.form-feedback-alert {
    padding: 15px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    margin-bottom: 20px;
    display: none;
    align-items: center;
    gap: 10px;
    line-height: 1.4;
}
.form-feedback-alert.success {
    background-color: var(--color-success-light);
    color: var(--color-success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}
.form-feedback-alert.error {
    background-color: var(--color-error-light);
    color: var(--color-error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* --- FOOTER --- */
.main-footer {
    background-color: var(--color-bg-dark);
    color: rgba(255, 255, 255, 0.7);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-top {
    padding: 80px 0 50px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 0.8fr 1fr 1.2fr;
    gap: 50px;
}

.footer-logo {
    height: 48px;
    width: auto;
    object-fit: contain;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
}

.footer-desc {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 25px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-social-links {
    display: flex;
    gap: 12px;
}
.footer-social-links a {
    width: 38px;
    height: 38px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-white);
    transition: var(--transition-smooth);
    font-size: 0.9rem;
}
.footer-social-links a:hover {
    background-color: var(--color-accent);
    transform: translateY(-2px);
}

.footer-links h3,
.footer-contact h3 {
    color: var(--color-text-white);
    font-size: 1.15rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}
.footer-links h3::after,
.footer-contact h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 35px;
    height: 2px;
    background-color: var(--color-accent);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links ul a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    display: flex;
    align-items: center;
    gap: 6px;
}
.footer-links ul a i {
    font-size: 0.7rem;
    transition: var(--transition-smooth);
}
.footer-links ul a:hover {
    color: var(--color-accent);
}
.footer-links ul a:hover i {
    transform: translateX(3px);
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.contact-list li {
    display: flex;
    gap: 12px;
    font-size: 0.9rem;
    line-height: 1.5;
}
.contact-list li i {
    color: var(--color-accent);
    margin-top: 3px;
    flex-shrink: 0;
}
.contact-list li a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 25px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

.footer-bottom-container .copyright {
    font-size: 0.85rem;
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.5);
}

.footer-legal-links {
    display: flex;
    gap: 15px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}
.footer-legal-links a:hover {
    color: var(--color-accent);
}
.footer-legal-links .separator {
    opacity: 0.2;
}

/* --- BACK TO TOP BUTTON --- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 46px;
    height: 46px;
    background-color: var(--color-accent);
    color: var(--color-text-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
    z-index: 99;
}
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}
.back-to-top:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* ==========================================================================
   MEDIA QUERIES (RESPONSIVENESS - MOBILE FIRST / DESKTOP DOWN)
   ========================================================================== */

/* --- TABLETS & LANDSCAPE PHONES (1024px and below) --- */
@media screen and (max-width: 1024px) {
    :root {
        --header-height: 70px;
    }
    
    .section-title { font-size: 2rem; }
    
    /* Header & Mobile navigation drawer */
    .mobile-nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -300px;
        width: 280px;
        height: 100vh;
        background-color: var(--color-bg-main);
        z-index: 1000;
        box-shadow: var(--shadow-lg);
        padding: 100px 30px 40px;
        transition: var(--transition-smooth);
        display: flex;
        flex-direction: column;
        overflow: auto;
    }
    .nav-menu.open {
        right: 0;
    }
    
    .nav-menu ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 25px;
        width: 100%;
    }
    
    .nav-link {
        font-size: 1.1rem;
        display: block;
        width: 100%;
    }
    
    .nav-cta-container {
        display: flex;
        align-items: center;
        gap: 15px;
    }
    .nav-cta {
        display: none; /* Hide primary header CTA, keep drawer clean */
    }
    .nav-menu .nav-cta {
        display: flex;
        margin-top: 40px;
        width: 100%;
    }
    
    .mobile-nav-toggle.open .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .mobile-nav-toggle.open .bar:nth-child(2) {
        opacity: 0;
    }
    .mobile-nav-toggle.open .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .mobile-nav-backdrop {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background-color: rgba(11, 37, 69, 0.4);
        backdrop-filter: blur(4px);
        opacity: 0;
        visibility: hidden;
        z-index: 999;
        transition: var(--transition-smooth);
    }
    .mobile-nav-backdrop.open {
        opacity: 1;
        visibility: visible;
    }

    
    /* Hero section */
    .hero-section { padding: 130px 0 80px; }
    .hero-container { grid-template-columns: 1fr; gap: 40px; text-align: center; }
    .hero-actions { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-graphic { order: -1; max-width: 500px; margin: 0 auto; }
    .hero-title { font-size: 2.75rem; }
    
    /* About grid */
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    
    /* Services grid */
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    
    /* Why grid */
    .why-grid { grid-template-columns: 1fr; gap: 40px; }
    .why-visual-card { max-width: 600px; margin: 0 auto; }
    
    /* Process timeline */
    .process-timeline { grid-template-columns: repeat(2, 1fr); gap: 30px; }
    .process-timeline::before { display: none; }
    
    /* Industries grid */
    .industries-grid { grid-template-columns: repeat(2, 1fr); }

    /* Testimonial slider track height for tablet */
    .slider-track { height: 380px; }
    
    /* Contact grid */
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .contact-info-column { max-width: 600px; margin: 0 auto; width: 100%; }
    .contact-form-column { max-width: 650px; margin: 0 auto; width: 100%; }
    
    /* Footer grid */
    .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
}

/* --- MOBILE PORTRAITS & CUSTOM STYLING (768px and below) --- */
@media screen and (max-width: 768px) {
    /* Services, Process and Industries grid down to single column on mobile */
    .services-grid { grid-template-columns: 1fr; }
    .process-timeline { grid-template-columns: 1fr; gap: 40px; }
    .process-step { max-width: 350px; margin: 0 auto; }
    .industries-grid { grid-template-columns: 1fr; gap: 20px; }
    
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .form-wrapper { padding: 30px; }
    
    /* Why visual card data-points wrap on smaller screens */
    .data-points { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    
    /* Testimonials */
    .review-card { padding: 35px 25px; }
    .quote { font-size: 1.15rem; line-height: 1.6; }
    .slider-track { height: 440px; }
    
    /* Footer */
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .footer-bottom-container { flex-direction: column; text-align: center; gap: 15px; }
}

/* --- SMALL MOBILE PHONES (480px and below) --- */
@media screen and (max-width: 480px) {
    .section-title { font-size: 1.75rem; }
    .hero-title { font-size: 2.25rem; }
    .hero-subtitle { font-size: 1.25rem; }
    .hero-actions { flex-direction: column; width: 100%; }
    .hero-actions .btn { width: 100%; }
    
    /* Stack hero stats vertically */
    .hero-stats { flex-direction: column; gap: 20px; }
    
    .why-visual-card { padding: 30px 20px; }
    
    /* Force 1-column data points on very small screens */
    .data-points { grid-template-columns: 1fr; gap: 20px; text-align: center; }
    
    /* Testimonials compact styles for very small mobile */
    .review-card { padding: 25px 15px; }
    .quote { font-size: 1rem; line-height: 1.5; margin-bottom: 15px; }
    .rating { margin-bottom: 15px; }
    .slider-track { height: 520px; }
}