/* ===== CSS Variables ===== */
:root {
    /* Colors - Professional Pharma Theme */
    --primary-blue: #0066cc;
    --primary-blue-light: #3385d6;
    --primary-blue-dark: #004a99;

    --secondary-green: #16a34a;
    --secondary-green-light: #22c55e;
    --secondary-green-dark: #15803d;

    --accent-teal: #0d9488;
    --accent-purple: #8b5cf6;

    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --black: #000000;

    /* Layout */
    --container-width: 1200px;
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;

    /* Shadows - Enhanced */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-2xl: 0 35px 60px -15px rgba(0, 0, 0, 0.3);

    /* Colored Shadows */
    --shadow-blue: 0 10px 30px -5px rgba(0, 102, 204, 0.3);
    --shadow-green: 0 10px 30px -5px rgba(22, 163, 74, 0.3);
    --shadow-teal: 0 10px 30px -5px rgba(13, 148, 136, 0.3);

    /* Transitions */
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
    width: 100%;
    position: relative;
}

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

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

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
}

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

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--white);
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.top-bar {
    background: var(--primary-blue);
    color: var(--white);
    padding: 8px 0;
    font-size: 14px;
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.contact-info {
    display: flex;
    gap: 24px;
}

.contact-info a {
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-info a:hover {
    opacity: 0.9;
}

.certifications {
    font-size: 12px;
    opacity: 0.9;
}

.navbar {
    padding: 16px 0;
}

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

.logo {
    font-size: 28px;
    font-weight: 800;
}

.logo-primary {
    color: var(--primary-blue);
}

.logo-secondary {
    color: var(--secondary-green);
}

.nav-menu {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    color: var(--gray-700);
    position: relative;
    transition: var(--transition-fast);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width 0.3s ease;
}

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

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    padding: 10px;
    cursor: pointer;
    z-index: 1001;
}

.mobile-toggle span {
    width: 28px;
    height: 3px;
    background: var(--primary-blue);
    border-radius: 3px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.mobile-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

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

.mobile-toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

.mobile-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    transition: opacity 0.35s ease;
}

.mobile-backdrop.active {
    display: block;
    opacity: 1;
}

/* Hide mobile menu header on desktop */
.mobile-menu-header {
    display: none;
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin-top: 120px;
    padding: 80px 0;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(at 20% 30%, rgba(0, 102, 204, 0.15) 0px, transparent 50%),
        radial-gradient(at 80% 20%, rgba(13, 148, 136, 0.12) 0px, transparent 50%),
        radial-gradient(at 50% 90%, rgba(22, 163, 74, 0.1) 0px, transparent 50%),
        linear-gradient(180deg, #fafafa 0%, #ffffff 100%);
    z-index: -1;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.9; }
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-50px, 50px) scale(1.1); }
}

.hero-background::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(22, 163, 74, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 25s ease-in-out infinite reverse;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: 64px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 32px;
    color: var(--gray-900);
    text-shadow: 0 2px 20px rgba(0, 102, 204, 0.1);
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-teal) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--gray-600);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 60px;
}

.hero-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 60px;
}

.feature-card {
    background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    padding: 40px 32px;
    border-radius: 20px;
    box-shadow: 0 20px 60px -15px rgba(0, 102, 204, 0.25);
    transition: all 0.3s ease;
    border: 2px solid #f0f4f8;
    position: relative;
    overflow: visible;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg,
        var(--primary-blue) 0%,
        var(--accent-teal) 50%,
        var(--secondary-green) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card::after {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg,
        rgba(0, 102, 204, 0.1) 0%,
        rgba(13, 148, 136, 0.05) 50%,
        rgba(22, 163, 74, 0.08) 100%);
    border-radius: var(--border-radius-xl);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

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

.feature-card:hover {
    transform: translateY(-20px) scale(1.05);
    box-shadow: 0 30px 80px -20px rgba(0, 102, 204, 0.4);
    border-color: #0066cc;
}

.feature-card:nth-child(2):hover {
    box-shadow:
        0 25px 50px -12px rgba(22, 163, 74, 0.25),
        0 0 0 1px rgba(22, 163, 74, 0.1);
}

.feature-card:nth-child(3):hover {
    box-shadow:
        0 25px 50px -12px rgba(13, 148, 136, 0.25),
        0 0 0 1px rgba(13, 148, 136, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--white);
    font-size: 28px;
}

.feature-card:nth-child(2) .feature-icon {
    background: linear-gradient(135deg, var(--secondary-green) 0%, var(--secondary-green-light) 100%);
}

.feature-card:nth-child(3) .feature-icon {
    background: linear-gradient(135deg, var(--accent-teal) 0%, #14b8a6 100%);
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--gray-900);
}

.feature-card p {
    color: var(--gray-600);
    font-size: 15px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn:hover::before {
    opacity: 1;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: var(--white);
    box-shadow: 0 8px 20px -6px rgba(0, 102, 204, 0.4);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-blue-dark) 0%, #003366 100%);
    transform: translateY(-3px);
    box-shadow:
        0 12px 30px -8px rgba(0, 102, 204, 0.5),
        0 0 0 4px rgba(0, 102, 204, 0.1);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary-blue);
    border-color: rgba(0, 102, 204, 0.3);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px -4px rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-teal) 100%);
    color: var(--white);
    transform: translateY(-3px);
    border-color: transparent;
    box-shadow:
        0 12px 30px -8px rgba(0, 102, 204, 0.4),
        0 0 0 4px rgba(0, 102, 204, 0.1);
}

.btn-sm {
    padding: 12px 24px;
    font-size: 14px;
}

.btn i {
    transition: transform 0.3s ease;
}

.btn:hover i {
    transform: translateX(4px);
}

/* ===== Sections ===== */
.section {
    padding: 120px 0;
}

.section-alt {
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.section-quality {
    background:
        linear-gradient(135deg,
            rgba(0, 102, 204, 0.95) 0%,
            rgba(0, 74, 153, 0.98) 50%,
            rgba(13, 148, 136, 0.93) 100%),
        url('data:image/svg+xml,%3Csvg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="none" fill-rule="evenodd"%3E%3Cg fill="%23ffffff" fill-opacity="0.05"%3E%3Cpath d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z"/%3E%3C/g%3E%3C/g%3E%3C/svg%3E');
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.section-quality::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 25s ease-in-out infinite;
}

.section-quality::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -15%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(13, 148, 136, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 30s ease-in-out infinite reverse;
}

.section-header {
    text-align: center;
    margin-bottom: 72px;
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--gray-900);
    letter-spacing: -0.5px;
    line-height: 1.2;
}

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

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

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

.section-subtitle {
    font-size: 20px;
    color: var(--gray-600);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
    font-weight: 400;
}

.section-quality .section-subtitle {
    color: rgba(255, 255, 255, 0.95);
}

/* ===== About Section ===== */
.about-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
    margin-bottom: 80px;
}

.about-card {
    background: var(--white);
    padding: 56px;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 8px 30px -5px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.about-card::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-green));
    border-radius: var(--border-radius-lg);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.about-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.about-card:hover::after {
    opacity: 0.1;
}

.about-card-gradient {
    background: linear-gradient(135deg, #eff6ff 0%, #ecfdf5 100%);
    border: 2px solid transparent;
    background-clip: padding-box;
    box-shadow: var(--shadow-lg);
}

.about-card-gradient:hover {
    box-shadow: var(--shadow-2xl);
}

.about-card h3 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--gray-900);
    letter-spacing: -0.3px;
}

.about-card p {
    color: var(--gray-700);
    line-height: 1.9;
    margin-bottom: 20px;
    font-size: 16px;
}

.values-section {
    background: var(--gray-50);
    padding: 80px 72px;
    border-radius: var(--border-radius-xl);
}

.values-section h3 {
    text-align: center;
    font-size: 38px;
    font-weight: 700;
    margin-bottom: 56px;
    color: var(--gray-900);
    letter-spacing: -0.4px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.value-card {
    text-align: center;
    padding: 36px 28px;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
    border: 1px solid transparent;
}

.value-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px -8px rgba(0, 0, 0, 0.12);
    border-color: var(--gray-200);
}

.value-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--white);
    font-size: 28px;
    box-shadow: 0 8px 20px -4px rgba(0, 102, 204, 0.4);
    transition: var(--transition);
}

.value-card:hover .value-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 30px -6px rgba(0, 102, 204, 0.5);
}

.value-card:nth-child(2) .value-icon {
    background: var(--secondary-green);
    box-shadow: 0 8px 20px -4px rgba(22, 163, 74, 0.4);
}

.value-card:nth-child(2):hover .value-icon {
    box-shadow: 0 12px 30px -6px rgba(22, 163, 74, 0.5);
}

.value-card:nth-child(3) .value-icon {
    background: var(--accent-teal);
    box-shadow: 0 8px 20px -4px rgba(13, 148, 136, 0.4);
}

.value-card:nth-child(3):hover .value-icon {
    box-shadow: 0 12px 30px -6px rgba(13, 148, 136, 0.5);
}

.value-card:nth-child(4) .value-icon {
    background: var(--accent-purple);
    box-shadow: 0 8px 20px -4px rgba(139, 92, 246, 0.4);
}

.value-card:nth-child(4):hover .value-icon {
    box-shadow: 0 12px 30px -6px rgba(139, 92, 246, 0.5);
}

.value-card h4 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--gray-900);
    letter-spacing: -0.2px;
}

.value-card p {
    color: var(--gray-600);
    font-size: 15px;
    line-height: 1.7;
}

/* ===== Products Section ===== */
.filter-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 64px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 14px 32px;
    border-radius: 9999px;
    background: var(--white);
    color: var(--gray-700);
    font-weight: 600;
    font-size: 16px;
    border: 2px solid var(--gray-200);
    transition: var(--transition-fast);
    cursor: pointer;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-blue);
    color: var(--white);
    border-color: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px -4px rgba(0, 102, 204, 0.3);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.product-card {
    background: linear-gradient(135deg, #ffffff 0%, #fafbfc 100%);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow:
        0 8px 25px -8px rgba(0, 0, 0, 0.08),
        0 0 0 1px rgba(0, 0, 0, 0.03);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.9);
    position: relative;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg,
        rgba(0, 102, 204, 0.08) 0%,
        rgba(13, 148, 136, 0.06) 50%,
        rgba(22, 163, 74, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 0;
}

.product-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--border-radius-xl);
    padding: 2px;
    background: linear-gradient(135deg,
        rgba(0, 102, 204, 0.3),
        rgba(13, 148, 136, 0.2),
        rgba(22, 163, 74, 0.25));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.product-card:hover::before {
    opacity: 1;
}

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

.product-card:hover {
    transform: translateY(-14px) scale(1.03);
    box-shadow:
        0 20px 40px -12px rgba(0, 102, 204, 0.2),
        0 0 0 1px rgba(0, 102, 204, 0.1);
    border-color: rgba(0, 102, 204, 0.2);
}

.product-card > * {
    position: relative;
    z-index: 1;
}

.product-image {
    height: 240px;
    background: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    position: relative;
    overflow: hidden;
}

.product-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.product-card:hover .product-image::before {
    opacity: 1;
}

.product-content {
    padding: 28px;
}

.product-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 16px;
}

.product-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
    letter-spacing: -0.2px;
    line-height: 1.3;
}

.badge {
    padding: 6px 14px;
    border-radius: 9999px;
    font-size: 13px;
    font-weight: 600;
    background: var(--primary-blue);
    color: var(--white);
}

.product-card p {
    color: var(--gray-600);
    font-size: 15px;
    margin-bottom: 20px;
    line-height: 1.7;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--gray-200);
}

.product-dosage {
    font-size: 13px;
    color: var(--gray-500);
}

.product-link {
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 14px;
}

.product-link:hover {
    color: var(--primary-blue-dark);
}

/* ===== Research Section ===== */
.research-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-bottom: 60px;
}

.research-card {
    background: linear-gradient(135deg, #eff6ff 0%, #f0f9ff 100%);
    padding: 40px;
    border-radius: var(--border-radius-lg);
}

.research-card:nth-child(2) {
    background: linear-gradient(135deg, #ecfdf5 0%, #f0fdf4 100%);
}

.research-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-blue);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--white);
    font-size: 32px;
}

.research-card:nth-child(2) .research-icon {
    background: var(--secondary-green);
}

.research-card h3 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--gray-900);
}

.research-card p {
    color: var(--gray-700);
    margin-bottom: 20px;
    line-height: 1.8;
}

.check-list {
    list-style: none;
}

.check-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--gray-700);
}

.check-list i {
    color: var(--secondary-green);
    font-size: 16px;
}

.pipeline-section {
    background: var(--gray-50);
    padding: 60px;
    border-radius: var(--border-radius-xl);
}

.pipeline-section h3 {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 40px;
    color: var(--gray-900);
}

.pipeline-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.pipeline-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    border: 1px solid var(--gray-100);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.pipeline-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-blue);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.pipeline-card:hover::after {
    transform: scaleX(1);
}

.pipeline-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-blue);
}

.pipeline-card:nth-child(2)::after {
    background: var(--accent-teal);
}

.pipeline-card:nth-child(3)::after {
    background: var(--secondary-green);
}

.pipeline-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--white);
    font-size: 28px;
}

.pipeline-card:nth-child(2) .pipeline-icon {
    background: var(--accent-teal);
}

.pipeline-card:nth-child(3) .pipeline-icon {
    background: var(--secondary-green);
}

.pipeline-card h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--gray-900);
}

.pipeline-card p {
    color: var(--gray-600);
    font-size: 15px;
}

/* ===== Quality Section ===== */
.quality-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.quality-card {
    background: linear-gradient(135deg,
        rgba(255, 255, 255, 0.15) 0%,
        rgba(255, 255, 255, 0.08) 100%);
    backdrop-filter: blur(20px);
    padding: 44px;
    border-radius: var(--border-radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow:
        0 8px 32px -8px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.quality-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
        rgba(255, 255, 255, 0.1) 0%,
        transparent 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.quality-card:hover {
    background: linear-gradient(135deg,
        rgba(255, 255, 255, 0.22) 0%,
        rgba(255, 255, 255, 0.12) 100%);
    transform: translateY(-8px) scale(1.02);
    box-shadow:
        0 16px 48px -12px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.35);
}

.quality-card:hover::before {
    opacity: 1;
}

.quality-icon {
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    font-size: 32px;
}

.quality-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
}

.quality-card p {
    line-height: 1.8;
    opacity: 0.95;
}

/* ===== Careers Section ===== */
.careers-benefits {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 60px;
}

.benefit-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    border: 1px solid var(--gray-100);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.03) 0%, rgba(13, 148, 136, 0.03) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.benefit-card:hover::before {
    opacity: 1;
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-blue);
}

.benefit-card i {
    font-size: 48px;
    color: var(--primary-blue);
    margin-bottom: 16px;
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.benefit-card:hover i {
    transform: scale(1.15) rotate(-5deg);
    color: var(--accent-teal);
}

.benefit-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--gray-900);
}

.benefit-card p {
    color: var(--gray-600);
}

.job-listings {
    display: grid;
    gap: 24px;
}

.job-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.job-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(8px);
}

.job-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 12px;
}

.job-header h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
}

.job-meta {
    display: flex;
    gap: 24px;
    color: var(--gray-600);
    font-size: 14px;
}

.job-meta i {
    margin-right: 6px;
}

/* ===== Contact Section ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info-section h3,
.contact-form-section h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 32px;
    color: var(--gray-900);
}

.info-card {
    display: flex;
    gap: 20px;
    margin-bottom: 32px;
    padding: 24px;
    background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 16px;
    border: 2px solid #e0f2fe;
    box-shadow: 0 10px 30px -10px rgba(0, 102, 204, 0.15);
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateX(10px);
    box-shadow: 0 15px 40px -10px rgba(0, 102, 204, 0.3);
    border-color: #0066cc;
}

.info-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
    flex-shrink: 0;
}

.info-content h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--gray-900);
}

.info-content p {
    color: var(--gray-600);
    line-height: 1.6;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.form-group label {
    font-weight: 600;
    color: var(--gray-700);
    font-size: 14px;
}

.form-group input,
.form-group textarea {
    padding: 16px 20px;
    border: 2px solid #e0f2fe;
    border-radius: 12px;
    font-family: inherit;
    font-size: 16px;
    transition: all 0.3s ease;
    background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    box-shadow: 0 4px 15px -5px rgba(0, 102, 204, 0.1);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #0066cc;
    box-shadow: 0 8px 25px -8px rgba(0, 102, 204, 0.3);
    transform: translateY(-2px);
}

.form-group textarea {
    resize: vertical;
}

/* ===== Footer ===== */
.footer {
    background:
        linear-gradient(135deg,
            rgba(0, 74, 153, 0.98) 0%,
            rgba(0, 102, 204, 0.95) 40%,
            rgba(13, 148, 136, 0.93) 100%),
        url('data:image/svg+xml,%3Csvg width="80" height="80" viewBox="0 0 80 80" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="none" fill-rule="evenodd"%3E%3Cg fill="%23ffffff" fill-opacity="0.03"%3E%3Cpath d="M0 0h40v40H0V0zm40 40h40v40H40V40zm0-40h2l-2 2V0zm0 4l4-4h2l-6 6V4zm0 4l8-8h2L40 10V8zm0 4L52 0h2L40 14v-2zm0 4L56 0h2L40 18v-2zm0 4L60 0h2L40 22v-2zm0 4L64 0h2L40 26v-2zm0 4L68 0h2L40 30v-2zm0 4L72 0h2L40 34v-2zm0 4L76 0h2L40 38v-2zm0 4L80 0v2L42 40h-2zm4 0L80 4v2L46 40h-2zm4 0L80 8v2L50 40h-2zm4 0l28-28v2L54 40h-2zm4 0l24-24v2L58 40h-2zm4 0l20-20v2L62 40h-2zm4 0l16-16v2L66 40h-2zm4 0l12-12v2L70 40h-2zm4 0l8-8v2l-6 6h-2zm4 0l4-4v2l-2 2h-2z"/%3E%3C/g%3E%3C/g%3E%3C/svg%3E');
    color: var(--white);
    padding: 70px 0 28px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 30s ease-in-out infinite;
}

.footer::after {
    content: '';
    position: absolute;
    bottom: -40%;
    right: -15%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(13, 148, 136, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 35s ease-in-out infinite reverse;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 48px;
    position: relative;
    z-index: 1;
}

.footer-logo {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 16px;
}

.footer-col p {
    margin-bottom: 24px;
    line-height: 1.6;
    opacity: 0.95;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    backdrop-filter: blur(10px);
}

.social-links a:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px -4px rgba(0, 0, 0, 0.3);
}

.footer-col h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--white);
}

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

.footer-col ul a {
    opacity: 0.9;
    transition: var(--transition-fast);
}

.footer-col ul a:hover {
    opacity: 1;
    padding-left: 4px;
    text-decoration: underline;
}

.newsletter-form {
    display: flex;
    gap: 8px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    backdrop-filter: blur(10px);
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.newsletter-form input:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.15);
}

.newsletter-form button {
    padding: 12px 20px;
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    transition: var(--transition-fast);
    backdrop-filter: blur(10px);
}

.newsletter-form button:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    flex-wrap: wrap;
    gap: 16px;
    position: relative;
    z-index: 1;
}

.footer-bottom p {
    opacity: 0.9;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    opacity: 0.9;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    opacity: 1;
    text-decoration: underline;
}

/* ===== Animations ===== */
.animate-fade-in {
    animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 48px;
    }

    .hero-features {
        grid-template-columns: 1fr;
    }

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

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

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

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
        max-width: 100%;
    }

    .top-bar {
        display: none;
    }

    .navbar {
        padding: 12px 0;
    }

    .mobile-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100vh;
        background: #ffffff;
        flex-direction: column;
        padding: 0;
        gap: 0;
        transition: left 0.3s ease;
        z-index: 999;
        overflow-y: auto;
    }

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

    /* Mobile menu header */
    .mobile-menu-header {
        display: none !important;
    }

    .mobile-logo {
        display: none;
    }

    .mobile-tagline {
        display: none;
    }

    .nav-link {
        display: block;
        padding: 18px 32px;
        font-size: 16px;
        font-weight: 500;
        color: var(--gray-800);
        border-bottom: 1px solid var(--gray-100);
        transition: all 0.2s ease;
        position: relative;
    }

    .nav-link::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 3px;
        background: var(--primary-blue);
        transform: scaleY(0);
        transition: transform 0.2s ease;
    }

    .nav-link:hover::before,
    .nav-link:active::before {
        transform: scaleY(1);
    }

    .nav-link:hover,
    .nav-link:active {
        background: var(--gray-50);
        color: var(--primary-blue);
        padding-left: 36px;
    }

    .nav-link::after {
        display: none;
    }

    /* First menu item styling */
    .nav-menu li:first-child .nav-link {
        margin-top: 80px;
        border-top: 1px solid var(--gray-100);
    }

    .hero {
        margin-top: 64px;
        padding: 60px 0 40px;
        min-height: auto;
    }

    .hero-title {
        font-size: 32px;
        line-height: 1.3;
    }

    .hero-subtitle {
        font-size: 16px;
        margin-bottom: 32px;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .section {
        padding: 80px 0;
    }

    .section-header {
        margin-bottom: 48px;
    }

    .section-title {
        font-size: 32px;
    }

    .section-subtitle {
        font-size: 17px;
    }

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

    .about-card {
        padding: 36px;
    }

    .about-card h3 {
        font-size: 26px;
    }

    .values-section {
        padding: 48px 24px;
    }

    .values-section h3 {
        font-size: 28px;
        margin-bottom: 40px;
    }

    .values-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .research-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .research-card {
        padding: 28px;
    }

    .pipeline-section {
        padding: 40px 20px;
    }

    .pipeline-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .quality-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .careers-benefits {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .job-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        padding: 24px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .filter-buttons {
        gap: 8px;
    }

    .filter-btn {
        padding: 8px 16px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .top-bar-content {
        flex-direction: column;
        text-align: center;
    }

    .contact-info {
        flex-direction: column;
        gap: 8px;
    }

    .hero-title {
        font-size: 28px;
    }

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

    .filter-buttons {
        flex-direction: column;
    }
}