/* ========================================
   SHAMITECH - MINIMAL TECH DESIGN
   Apple-inspired. Clean, Spacious, Professional.
   Color Palette: White, Charcoal, Teal Accent, Soft Gray
   ======================================== */

:root {
    --white: #ffffff;
    --charcoal: #1a1a1a;
    --accent: #008694;
    --secondary: #f0f4f8;
    --border: #e8ecf1;
    --light-text: #666666;
    --padding-side: 40px;
    
    /* Professional Icon Color Palette */
    --icon-primary: #008694;
    --icon-navy: #1e3a5f;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: auto;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--charcoal);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    padding-top: 70px;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    color: var(--charcoal);
}

h2 {
    font-size: clamp(1.75rem, 5vw, 2.75rem);
    font-weight: 700;
    color: var(--charcoal);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 700;
    color: var(--charcoal);
}

p {
    margin-bottom: 1rem;
    font-size: clamp(0.95rem, 2vw, 1.1rem);
    line-height: 1.8;
    color: var(--light-text);
}

/* ========================================
   CONTAINER & LAYOUT
   ======================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--padding-side);
}

section {
    padding: 80px var(--padding-side);
}

section.alt {
    background-color: var(--secondary);
}

/* ========================================
   NAVIGATION
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--white);
    z-index: 1000;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--padding-side);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--charcoal);
    cursor: pointer;
    font-family: 'Poppins', sans-serif;
}

.nav-logo:hover {
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.logo-img {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

.nav-link {
    color: var(--charcoal);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 8px 0;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

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

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

.nav-link.cta-link {
    background: var(--accent);
    color: var(--white);
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
}

.nav-link.cta-link:hover {
    background: #0089a8;
    box-shadow: 0 8px 16px rgba(0, 168, 204, 0.15);
}

/* Dropdown Menu */
.nav-dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
}

.dropdown-toggle i {
    font-size: 0.7rem;
    transition: transform 0.3s ease;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    list-style: none;
    min-width: 220px;
    border-radius: 8px;
    border: 1px solid var(--border);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
    padding: 12px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 999;
    margin-top: 12px;
}

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

.nav-dropdown:hover .dropdown-toggle i {
    transform: rotate(180deg);
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: 12px 24px;
    color: var(--charcoal);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.dropdown-menu a:hover {
    background: var(--secondary);
    color: var(--accent);
    padding-left: 28px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 6px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--charcoal);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    position: relative;
    margin-top: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px var(--padding-side);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #e8f1f5 50%, #d4ebf0 100%);
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    top: -10%;
    right: -5%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 168, 204, 0.15) 0%, rgba(0, 168, 204, 0) 70%);
    border-radius: 50%;
    z-index: 1;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-content::before {
    content: '';
    position: absolute;
    bottom: -200px;
    left: -150px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 168, 204, 0.08) 0%, rgba(0, 168, 204, 0) 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content::after {
    content: '';
    position: absolute;
    top: -100px;
    right: -200px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 134, 148, 0.1) 0%, rgba(0, 134, 148, 0) 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-title {
    color: var(--charcoal);
    margin-bottom: 24px;
    font-size: clamp(2rem, 6vw, 3.5rem);
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    color: var(--light-text);
    margin-bottom: 48px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.hero-image {
    display: none;
}

.hero-visual {
    display: none;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
    font-family: 'Poppins', sans-serif;
}

.btn-primary {
    background: var(--accent);
    color: var(--white);
    font-weight: 600;
}

.btn-primary:hover {
    background: #0089a8;
    box-shadow: 0 16px 32px rgba(0, 168, 204, 0.25);
    transform: translateY(-3px);
}

.btn-secondary {
    background: var(--secondary);
    color: var(--charcoal);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--white);
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
}

.btn-lg {
    padding: 18px 48px;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.3px;
}

/* ========================================
   SERVICES OVERVIEW SECTION
   ======================================== */

.services-overview {
    background: var(--white);
}

.services-overview .container > h2 {
    text-align: center;
    margin-bottom: 20px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--light-text);
    margin-bottom: 80px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.service-card {
    background: var(--white);
    padding: 0;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    text-align: center;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    border-color: var(--accent);
    box-shadow: 0 20px 40px rgba(0, 168, 204, 0.08);
    transform: translateY(-8px);
}

.card-icon {
    width: 100%;
    padding: 40px 30px;
    background: linear-gradient(135deg, var(--accent) 0%, #00a8cc 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 150px;
    flex-shrink: 0;
}

.card-icon i {
    font-size: 70px;
    color: var(--white);
    opacity: 0.9;
    transition: all 0.3s ease;
}

.service-card:hover .card-icon i {
    opacity: 1;
    transform: scale(1.1);
}

.feature-card:hover .card-icon i {
    opacity: 1;
    transform: scale(1.1);
}

.service-image {
    width: 100%;
    margin: 0;
    padding: 0;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
    flex-shrink: 0;
}

.service-icon {
    font-size: 3.5rem;
    color: var(--accent);
    margin-bottom: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Service Icon Color Variants */
.service-icon.icon-teal {
    color: var(--icon-primary);
}

.service-icon.icon-navy {
    color: var(--icon-navy);
}

.service-icon.icon-slate {
    color: var(--icon-primary);
}

.service-icon.icon-deep-teal {
    color: var(--icon-navy);
}

.service-icon.icon-dark-blue {
    color: var(--icon-primary);
}

.service-icon.icon-steel {
    color: var(--icon-navy);
}

.service-card h3 {
    margin-bottom: 16px;
    font-size: 1.4rem;
    padding: 0 32px;
    margin-top: 24px;
}

.service-card p {
    color: var(--light-text);
    margin-bottom: 24px;
    font-size: 0.95rem;
    line-height: 1.7;
    padding: 0 32px;
    margin: 0 0 24px 0;
}

.service-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: relative;
    transition: all 0.3s ease;
    padding: 0 32px 32px 32px;
}

.service-link:hover {
    gap: 12px;
}
/* ========================================
   VALUE PROPOSITION
   ======================================== */

.value-proposition {
    background: var(--secondary);
}

.value-proposition .container > h2 {
    text-align: center;
    margin-bottom: 80px;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 60px;
}

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

.value-icon {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: rgba(0, 134, 148, 0.08);
    border-radius: 12px;
}

/* Value Icon Color Variants */
.value-icon.icon-teal {
    color: var(--icon-primary);
    background: rgba(0, 134, 148, 0.08);
}

.value-icon.icon-navy {
    color: var(--icon-navy);
    background: rgba(30, 58, 95, 0.08);
}

.value-icon.icon-slate {
    color: var(--icon-primary);
    background: rgba(0, 134, 148, 0.08);
}

.value-icon.icon-deep-teal {
    color: var(--icon-navy);
    background: rgba(30, 58, 95, 0.08);
}

.value-item h3 {
    margin-bottom: 16px;
    font-size: 1.3rem;
}

.value-item p {
    color: var(--light-text);
    font-size: 0.95rem;
}

/* ========================================
   PAGE HEADER
   ======================================== */

.page-header {
    background: var(--secondary);
    text-align: center;
    padding: 80px var(--padding-side) 60px;
    margin-top: 0;
    position: relative;
    overflow: hidden;
}

.page-header h1 {
    position: relative;
    z-index: 1;
    margin-bottom: 20px;
}

.page-header p {
    position: relative;
    z-index: 1;
    font-size: 1.2rem;
    color: var(--light-text);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   PRODUCT PAGES - HERO & FEATURES
   ======================================== */

.product-hero {
    background: var(--white);
    padding-top: 0;
    padding-bottom: 80px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    align-items: center;
    max-width: 900px;
}

/* Image first in HTML, but appears second visually - move to right */
.hero-grid .hero-image {
    order: 2;
    display: block;
    width: 100%;
}

.hero-grid .hero-text {
    order: 1;
}

.hero-text h2 {
    font-size: clamp(2rem, 5vw, 2.8rem);
    margin-bottom: 2rem;
    font-weight: 800;
    line-height: 1.2;
}

.hero-text p {
    margin-bottom: 2.5rem;
    font-size: 1.15rem;
    line-height: 1.8;
}

.feature-list {
    list-style: none;
    margin: 3rem 0;
    padding: 0;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 1.3rem;
    font-size: 1.05rem;
    color: var(--charcoal);
    font-weight: 500;
}

.feature-list i {
    color: var(--accent);
    font-size: 1.4rem;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    object-fit: cover;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Product Features Grid */
.product-features {
    background: var(--white);
}

.product-features h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.feature-card {
    background: var(--secondary);
    padding: 0;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.feature-image {
    width: 100%;
    margin: 0;
    padding: 0;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
    flex-shrink: 0;
}

.feature-card .card-icon {
    min-height: 140px;
    padding: 35px 30px;
}

.feature-card .card-icon i {
    font-size: 60px;
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
    padding: 0 20px 0 20px;
    margin-top: 20px;
}

.feature-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    padding: 0 20px 20px 20px;
    margin: 0;
}

.feature-card:hover {
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
    transform: translateY(-4px);
}

/* Icon styling (if needed for other cards) */
.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

/* Icon Color Classes */
.icon-teal {
    background: rgba(0, 134, 148, 0.12);
    color: #008694;
}

.icon-navy {
    background: rgba(30, 58, 95, 0.12);
    color: #1e3a5f;
}

.icon-slate {
    background: rgba(100, 110, 130, 0.12);
    color: #646e82;
}

.icon-deep-teal {
    background: rgba(1, 108, 117, 0.12);
    color: #016c75;
}

.icon-dark-blue {
    background: rgba(25, 45, 85, 0.12);
    color: #192d55;
}

.icon-steel {
    background: rgba(80, 100, 130, 0.12);
    color: #506482;
}

/* Product Solutions Grid */
.product-solutions {
    background: var(--secondary);
}

.product-solutions h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.solution-card {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.solution-card:hover {
    box-shadow: 0 12px 24px rgba(0, 134, 148, 0.15);
    transform: translateY(-4px);
}

.solution-card h3 {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.solution-card h3 i {
    font-size: 1.5rem;
    color: var(--accent);
}

.solution-card p {
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ========================================
   SERVICE DETAIL SECTIONS
   ======================================== */

.service-detail {
    background: var(--white);
}

.service-detail.alt {
    background: var(--secondary);
}

.service-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.service-detail.alt .service-text {
    order: 2;
}

.service-detail.alt .service-image {
    order: 1;
}

.service-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.service-image:hover img {
    box-shadow: 0 30px 60px rgba(0, 168, 204, 0.12);
}

.service-detail h2 {
    margin-bottom: 32px;
}

.service-list {
    list-style: none;
    margin-bottom: 32px;
}

.service-list li {
    padding: 16px 0;
    color: var(--light-text);
    display: flex;
    align-items: center;
    gap: 16px;
    border-bottom: 1px solid var(--border);
}

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

.service-list i {
    color: var(--accent);
    font-size: 1.2rem;
    flex-shrink: 0;
}

/* ========================================
   CTA SECTION
   ======================================== */

.cta-section {
    background: var(--accent);
    color: var(--white);
    text-align: center;
    padding: 100px var(--padding-side);
    position: relative;
    overflow: hidden;
}

.cta-section h2 {
    margin-bottom: 20px;
    color: var(--white);
}

.cta-section p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section .btn-primary {
    background: var(--secondary);
    color: var(--charcoal);
}

.cta-section .btn-primary:hover {
    background: var(--white);
    color: var(--accent);
}

/* ========================================
   CONTACT & EXPERT FORMS
   ======================================== */

.contact-section,
.expert-section {
    background: var(--white);
}

.contact-wrapper,
.expert-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-form-box,
.expert-form-box {
    background: var(--secondary);
    padding: 48px 40px;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.contact-form-box h2,
.expert-form-box h2 {
    margin-bottom: 16px;
    font-size: 1.8rem;
}

.contact-form-box p,
.expert-form-box p {
    color: var(--light-text);
    margin-bottom: 32px;
    font-size: 0.95rem;
}

.contact-form,
.expert-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--charcoal);
    font-size: 0.95rem;
}

.required {
    color: #e63946;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    background: var(--white);
    color: var(--charcoal);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 168, 204, 0.08);
}

.form-group textarea {
    resize: vertical;
    font-family: inherit;
}

.form-group.checkbox-group {
    flex-direction: row;
    align-items: flex-start;
}

.form-group.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 400;
    margin: 0;
}

.form-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--accent);
}

.services-checklist {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-top: 12px;
}

.checkbox-item {
    position: relative;
}

.checkbox-item input {
    display: none;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    user-select: none;
    font-weight: 500;
}

.checkbox-item input:checked ~ .checkbox-label {
    background: rgba(0, 168, 204, 0.08);
    border-color: var(--accent);
    color: var(--accent);
}

.checkbox-label:hover {
    border-color: var(--accent);
}

.checkbox-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: rgba(0, 168, 204, 0.1);
    border-radius: 6px;
    color: var(--accent);
    font-size: 1rem;
}

.checkbox-item input:checked ~ .checkbox-label .checkbox-icon {
    background: var(--accent);
    color: var(--white);
}

.form-message {
    padding: 16px;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    font-size: 0.95rem;
}

.form-message.success {
    background: rgba(34, 197, 94, 0.08);
    color: #22c55e;
    border: 1px solid #22c55e;
}

.form-message.error {
    background: rgba(230, 57, 70, 0.08);
    color: #e63946;
    border: 1px solid #e63946;
}

.contact-form button,
.expert-form button {
    align-self: flex-start;
}

/* ========================================
   CONTACT INFO & EXPERT BENEFITS
   ======================================== */

.contact-info-item,
.benefit-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.info-icon,
.benefit-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: rgba(0, 168, 204, 0.08);
    border-radius: 50%;
    color: var(--accent);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-info-item:hover .info-icon,
.benefit-item:hover .benefit-icon {
    color: var(--accent);
}

.info-content h4,
.benefit-item h4 {
    margin-bottom: 5px;
}

.info-content p,
.benefit-item p {
    color: var(--light-text);
    margin: 0;
}

.info-content a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.info-content a:hover {
    text-decoration: underline;
}

.expert-highlight {
    background: rgba(0, 168, 204, 0.04);
    padding: 25px;
    border-radius: 8px;
    border-left: 4px solid var(--accent);
    margin-top: 30px;
}

.expert-highlight h4 {
    color: var(--charcoal);
    margin-bottom: 8px;
}

.expert-highlight p {
    color: var(--light-text);
    margin: 0;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background: var(--charcoal);
    padding: 40px var(--padding-side) 30px;
    border-top: 1px solid var(--border);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 50px;
    margin-bottom: 30px;
}

.footer-section h3,
.footer-section h4 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.1rem;
    font-weight: 700;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: var(--light-text);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.footer-section ul li a:hover {
    color: var(--accent);
}

.footer-section p {
    color: var(--light-text);
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-logo {
    margin-bottom: 16px;
    display: inline-block;
}

.footer-logo img {
    height: 50px;
    width: auto;
}

.social-links {
    display: flex;
    gap: 16px;
    margin-top: 20px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(0, 168, 204, 0.1);
    border: 1px solid rgba(0, 168, 204, 0.2);
    border-radius: 8px;
    color: var(--accent);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1.1rem;
}

.social-links a:hover {
    background: var(--accent);
    color: var(--charcoal);
    border-color: var(--accent);
    transform: translateY(-4px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    color: var(--light-text);
    font-size: 0.9rem;
    margin: 0;
}

.footer-links {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--light-text);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

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

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

/* Extra Small Devices (max 480px) */
@media (max-width: 480px) {
    :root {
        --padding-side: 16px;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    section {
        padding: 80px 16px;
    }

    .nav-container {
        height: 60px;
        padding: 0 16px;
    }

    .nav-logo img {
        height: 40px;
    }

    .hero {
        margin-top: 60px;
        padding: 60px 16px;
    }

    .hero::before {
        display: none;
    }

    .hero::after {
        display: none;
    }

    .hero-content {
        padding: 30px 24px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 12px;
    }

    .btn {
        width: 100%;
        padding: 12px 24px;
    }

    .page-header {
        margin-top: 60px;
        padding: 80px 16px 40px;
    }

    .service-content,
    .contact-wrapper,
    .expert-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .service-detail.alt .service-text,
    .service-detail.alt .service-image {
        order: initial;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

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

    .services-checklist {
        grid-template-columns: 1fr;
    }

    .contact-form-box,
    .expert-form-box {
        padding: 32px 24px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 0 16px;
    }

    .footer {
        padding: 60px 16px;
        margin-top: 80px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        padding: 30px 16px;
    }

    .footer-links {
        flex-direction: column;
        gap: 16px;
        width: 100%;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 60px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        gap: 0;
        padding: 20px 0;
        border-bottom: 1px solid var(--border);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        padding: 15px 0;
        border-bottom: 1px solid var(--border);
    }

    /* Mobile Dropdown Menu */
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: var(--secondary);
        border: none;
        box-shadow: none;
        margin-top: 0;
        padding: 12px 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .nav-dropdown:hover .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: none;
    }

    .nav-dropdown.active .dropdown-menu {
        max-height: 300px;
    }

    .dropdown-menu a {
        padding: 10px 32px;
    }

    .dropdown-menu a:hover {
        padding-left: 36px;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(10px, 10px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
}

/* Mobile Devices (481px to 768px) */
@media (max-width: 768px) {
    :root {
        --padding-side: 20px;
    }

    h1 {
        font-size: 2.2rem;
    }

    section {
        padding: 80px 20px;
    }

    .nav-container {
        padding: 0 20px;
    }

    .nav-logo img {
        height: 44px;
    }

    .hero {
        margin-top: 70px;
        padding: 80px 20px;
    }

    .hero-content {
        padding: 36px 28px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 16px;
    }

    .btn {
        width: 100%;
    }

    .page-header {
        margin-top: 70px;
        padding: 80px 20px 40px;
    }

    .service-content,
    .contact-wrapper,
    .expert-wrapper {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .service-detail.alt .service-text,
    .service-detail.alt .service-image {
        order: initial;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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

    .services-checklist {
        grid-template-columns: 1fr;
    }

    .contact-form-box,
    .expert-form-box {
        padding: 36px 28px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 48px;
        padding: 0 20px;
    }

    .footer {
        padding: 60px 20px;
        margin-top: 100px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        flex-direction: column;
        gap: 16px;
        width: 100%;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        gap: 0;
        padding: 20px 0;
        border-bottom: 1px solid var(--border);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        padding: 15px 0;
        border-bottom: 1px solid var(--border);
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(10px, 10px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
}

/* Product Page Responsive (Mobile: < 768px) */
@media (max-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .hero-text h2 {
        font-size: 1.8rem;
        margin-bottom: 1.5rem;
    }

    .hero-text p {
        font-size: 1rem;
        margin-bottom: 2rem;
    }

    .feature-list li {
        gap: 12px;
        margin-bottom: 1rem;
        font-size: 0.95rem;
    }

    .feature-list i {
        font-size: 1.2rem;
        width: 20px;
    }

    .features-grid,
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .feature-card {
        padding: 0;
    }

    .feature-card h3 {
        padding: 0 16px;
        margin-top: 16px;
    }

    .feature-card p {
        padding: 0 16px 16px 16px;
    }

    .card-icon i {
        font-size: 50px;
    }

    .service-card .card-icon {
        min-height: 120px;
        padding: 30px 20px;
    }

    .feature-card .card-icon {
        min-height: 110px;
        padding: 25px 20px;
    }

    .solution-card {
        padding: 28px 20px;
    }
}

/* Tablet Devices (769px to 1199px) */
@media (min-width: 769px) and (max-width: 1199px) {
    :root {
        --padding-side: 32px;
    }

    h1 {
        font-size: 2.8rem;
    }

    section {
        padding: 80px 32px;
    }

    .nav-container {
        padding: 0 32px;
    }

    .hero {
        margin-top: 70px;
        padding: 80px 32px;
    }

    .hero-content {
        padding: 40px 32px;
    }

    .hero h1 {
        font-size: 2.8rem;
    }

    .page-header {
        margin-top: 70px;
        padding: 80px 32px 50px;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }

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

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

    /* Product Hero Tablet */
    .hero-grid {
        gap: 0;
    }

    .hero-text h2 {
        font-size: 2.2rem;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 60px;
    }

    .footer {
        padding: 80px 32px;
    }
}

/* Desktop Devices (1200px and above) */
@media (min-width: 1200px) {
    :root {
        --padding-side: 40px;
    }

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

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

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

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

@media (prefers-color-scheme: dark) {
    :root {
        --white: #0f0f0f;
        --charcoal: #ffffff;
        --accent: #00d9ff;
        --secondary: #1a1a1a;
        --border: #2a2a2a;
        --light-text: #a0a0a0;
    }

    body {
        background-color: #0f0f0f;
    }

    .navbar {
        background: rgba(15, 15, 15, 0.95);
    }

    .nav-menu {
        background-color: #0f0f0f;
    }

    .btn-primary:hover {
        box-shadow: 0 20px 40px rgba(0, 217, 255, 0.15);
    }
}