/* ===========================
   CSS Reset & Base Styles
   =========================== */

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

:root {
    --color-navy: #1a2f4a;
    --color-slate: #2d3e50;
    --color-teal: #5a9a9e;
    --color-sage: #7fa99b;
    --color-light-blue: #a8c5d1;
    --color-white: #ffffff;
    --color-off-white: #f8f9fa;
    --color-light-gray: #e8ecef;
    --color-medium-gray: #6c757d;
    --color-dark-gray: #343a40;
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 2px 8px rgba(26, 47, 74, 0.08);
    --shadow-md: 0 4px 16px rgba(26, 47, 74, 0.12);
    --shadow-lg: 0 8px 32px rgba(26, 47, 74, 0.16);
}

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

body {
    font-family: var(--font-primary);
    color: var(--color-slate);
    line-height: 1.7;
    background-color: var(--color-white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 5rem 0;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-navy);
}

h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
}

h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.75rem);
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

p {
    margin-bottom: 1rem;
    color: var(--color-medium-gray);
}

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

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

/* ===========================
   Header & Navigation
   =========================== */

#header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
    box-shadow: 0 2px 8px rgba(26, 47, 74, 0);
}

#header.scrolled {
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    display: block;
    line-height: 0;
}

.logo img {
    height: 45px;
    max-width: 150px;
    width: auto;
    display: block;
    object-fit: contain;
    transition: var(--transition-smooth);
}

.logo img:hover {
    opacity: 0.8;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--color-slate);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
}

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

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--color-navy);
    transition: var(--transition-smooth);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ===========================
   Buttons
   =========================== */

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: #4a8a8e;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-navy);
    border-color: var(--color-navy);
}

.btn-secondary:hover {
    background-color: var(--color-navy);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-teal);
    border-color: var(--color-teal);
}

.btn-outline:hover {
    background-color: var(--color-teal);
    color: var(--color-white);
}

/* ===========================
   Hero Section
   =========================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 5rem;
    background: linear-gradient(135deg, var(--color-off-white) 0%, #e8f1f5 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

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

.hero-text p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    color: var(--color-slate);
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-shape {
    position: absolute;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    opacity: 0.15;
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--color-teal), var(--color-sage));
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--color-light-blue), var(--color-teal));
    bottom: 15%;
    right: 15%;
    animation-delay: 2s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, var(--color-sage), var(--color-light-blue));
    top: 50%;
    right: 30%;
    animation-delay: 4s;
}

.visual-icon {
    position: relative;
    z-index: 2;
    font-size: 8rem;
    color: var(--color-teal);
    opacity: 0.3;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

/* ===========================
   Section Headers
   =========================== */

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--color-medium-gray);
}

/* ===========================
   About Section
   =========================== */

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

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.about-card {
    background-color: var(--color-off-white);
    padding: 2.5rem;
    border-radius: 16px;
    transition: var(--transition-smooth);
    border: 1px solid var(--color-light-gray);
}

.about-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-teal);
}

.card-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--color-teal), var(--color-sage));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    color: var(--color-white);
}

.about-card h3 {
    color: var(--color-navy);
    margin-bottom: 1rem;
}

.about-card p {
    color: var(--color-medium-gray);
    line-height: 1.7;
}

/* ===========================
   Innovation Section
   =========================== */

.innovation {
    background: linear-gradient(135deg, #f8f9fa 0%, #e8f1f5 100%);
}

.innovation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.innovation-card {
    background-color: var(--color-white);
    padding: 2.5rem;
    border-radius: 16px;
    position: relative;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-sm);
}

.innovation-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.innovation-number {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-light-gray);
    font-family: var(--font-display);
}

.innovation-icon {
    width: 70px;
    height: 70px;
    background-color: var(--color-off-white);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    color: var(--color-teal);
}

.innovation-card h3 {
    color: var(--color-navy);
    margin-bottom: 1rem;
}

.innovation-card p {
    color: var(--color-medium-gray);
}

/* ===========================
   Products Section - TEMPORARILY DISABLED
   =========================== */

/* .products {
    background-color: var(--color-white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.product-card {
    background-color: var(--color-white);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-light-gray);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    height: 250px;
    background: linear-gradient(135deg, var(--color-off-white), #e8f1f5);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-placeholder {
    font-size: 4rem;
    color: var(--color-teal);
    opacity: 0.4;
}

.product-content {
    padding: 2rem;
}

.product-content h3 {
    color: var(--color-navy);
    margin-bottom: 1rem;
}

.product-content p {
    color: var(--color-medium-gray);
    margin-bottom: 1.5rem;
} */

/* ===========================
   Credibility Section
   =========================== */

.credibility {
    background-color: var(--color-navy);
    color: var(--color-white);
    padding: 4rem 0;
}

.credibility-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

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

.credibility-icon {
    width: 80px;
    height: 80px;
    background-color: rgba(90, 154, 158, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--color-teal);
}

.credibility-item h3 {
    color: var(--color-white);
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.credibility-item p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

/* ===========================
   Contact Section
   =========================== */

.contact {
    background: linear-gradient(135deg, #f8f9fa 0%, #e8f1f5 100%);
}

.contact-content {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem 0;
}

.contact-email-card {
    background-color: var(--color-white);
    padding: 4rem 3rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    text-align: center;
    max-width: 600px;
    width: 100%;
}

.contact-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--color-teal), var(--color-sage));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    font-size: 3rem;
    color: var(--color-white);
}

.contact-email-card h3 {
    color: var(--color-navy);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-email-card p {
    color: var(--color-medium-gray);
    font-size: 1.125rem;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.contact-email-link {
    display: inline-block;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-teal);
    padding: 1rem 2rem;
    border: 2px solid var(--color-teal);
    border-radius: 8px;
    transition: var(--transition-smooth);
}

.contact-email-link:hover {
    background-color: var(--color-teal);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ===========================
   Footer
   =========================== */

.footer {
    background-color: var(--color-navy);
    color: var(--color-white);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    font-family: var(--font-display);
    color: var(--color-white);
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links h4 {
    color: var(--color-white);
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links ul li {
    margin-bottom: 0.5rem;
}

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-smooth);
}

.footer-links ul li a:hover {
    color: var(--color-teal);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* ===========================
   Animation Classes
   =========================== */

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.fade-in:nth-child(2) {
    animation-delay: 0.2s;
}

.fade-in:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===========================
   Responsive Design
   =========================== */

@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-visual {
        height: 350px;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    section {
        padding: 3.5rem 0;
    }
    
    .container {
        padding: 0 1.5rem;
    }
    
    .nav-container {
        padding: 1rem 1.5rem;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        box-shadow: var(--shadow-md);
        transform: translateY(-120%);
        transition: transform 0.3s ease;
    }
    
    .nav-links.active {
        transform: translateY(0);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero {
        min-height: auto;
        padding-top: 6rem;
        padding-bottom: 3rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .about-grid,
    .innovation-grid,
    .products-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .credibility-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-form-container {
        padding: 2rem;
    }
    
    h1 {
        font-size: 2.25rem;
    }
    
    h2 {
        font-size: 1.875rem;
    }
}

@media (max-width: 480px) {
    .hero-text p {
        font-size: 1rem;
    }
    
    .section-header p {
        font-size: 1rem;
    }
    
    .about-card,
    .innovation-card {
        padding: 2rem;
    }
    
    .product-content {
        padding: 1.5rem;
    }
}