/* EthiSim Pharma - Custom Styles */
:root {
    --primary-dark: #0a1a3a;
    --primary: #0d2b5e;
    --primary-light: #1a4a8c;
    --secondary: #2e8b57;
    --secondary-light: #3cb371;
    --accent: #00bfff;
    --accent-green: #32cd32;
    --white: #ffffff;
    --light: #f0f8ff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-600: #6c757d;
    --gray-800: #343a40;
    --dark: #0a1628;
    --glass: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--white);
    color: var(--gray-800);
    overflow-x: hidden;
}

/* ===== NAVBAR ===== */
.navbar-ethisim {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    padding: 0.5rem 0;
    box-shadow: 0 4px 20px rgba(10, 26, 58, 0.3);
    transition: all 0.3s ease;
}

.navbar-ethisim.scrolled {
    padding: 0.3rem 0;
    box-shadow: 0 6px 30px rgba(10, 26, 58, 0.4);
}

.navbar-ethisim .navbar-brand img {
    height: 55px;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
    transition: transform 0.3s;
}

.navbar-ethisim .navbar-brand img:hover {
    transform: scale(1.05);
}

.navbar-ethisim .nav-link {
    color: rgba(255,255,255,0.85) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.6rem 1rem !important;
    margin: 0 0.2rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.navbar-ethisim .nav-link:hover,
.navbar-ethisim .nav-link.active {
    color: var(--white) !important;
    background: rgba(255,255,255,0.1);
}

.navbar-ethisim .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-green);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.navbar-ethisim .nav-link:hover::after,
.navbar-ethisim .nav-link.active::after {
    width: 60%;
}

.btn-ethisim {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
    color: var(--white) !important;
    border: none;
    padding: 0.6rem 1.8rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(46, 139, 87, 0.3);
}

.btn-ethisim:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(46, 139, 87, 0.5);
    color: var(--white) !important;
}

.btn-outline-ethisim {
    background: transparent;
    color: var(--white) !important;
    border: 2px solid rgba(255,255,255,0.3);
    padding: 0.6rem 1.8rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline-ethisim:hover {
    border-color: var(--accent-green);
    background: rgba(255,255,255,0.1);
    color: var(--white) !important;
}

/* ===== HERO SECTION ===== */
.hero-section {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
    background-size: 50px 50px;
    animation: bgMove 20s linear infinite;
}

@keyframes bgMove {
    0% { background-position: 0 0; }
    100% { background-position: 50px 50px; }
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    color: var(--accent-green);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-title span {
    display: block;
    font-size: 0.5em;
    font-weight: 400;
    color: var(--accent-green);
    margin-top: 0.5rem;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.hero-text {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.8);
    max-width: 550px;
    margin-bottom: 2rem;
}

.hero-image {
    position: relative;
    z-index: 2;
}

.hero-image img {
    border-radius: 20px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.3);
    animation: float 6s ease-in-out infinite;
}

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

/* DNA Animation */
.dna-container {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.1;
    z-index: 1;
}

.dna-strand {
    width: 100px;
    height: 300px;
    position: relative;
}

.dna-strand::before,
.dna-strand::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid var(--accent-green);
    border-radius: 50%;
    animation: dnaRotate 4s linear infinite;
}

.dna-strand::after {
    animation-delay: -2s;
    border-color: var(--accent);
}

@keyframes dnaRotate {
    0% { transform: rotateX(0deg); }
    100% { transform: rotateX(360deg); }
}

/* ===== STATS BAR ===== */
.stats-bar {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    padding: 3rem 0;
    position: relative;
    z-index: 10;
}

.stat-item {
    text-align: center;
    padding: 1rem;
}

.stat-number {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--accent-green);
    display: block;
    line-height: 1;
}

.stat-label {
    color: rgba(255,255,255,0.8);
    font-size: 0.9rem;
    margin-top: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== SECTION STYLES ===== */
.section-padding {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
}

.section-tag {
    display: inline-block;
    color: var(--secondary);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 0.8rem;
    position: relative;
}

.section-tag::before,
.section-tag::after {
    content: '';
    display: inline-block;
    width: 30px;
    height: 2px;
    background: var(--secondary);
    vertical-align: middle;
    margin: 0 10px;
    opacity: 0.5;
}

.section-title {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-dark);
}

.section-desc {
    color: var(--gray-600);
    font-size: 1.05rem;
}

/* ===== CARDS ===== */
.card-ethisim {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.4s ease;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.card-ethisim::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary), var(--accent-green));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.card-ethisim:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(10, 26, 58, 0.15);
    border-color: transparent;
}

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

.card-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    color: var(--white);
    box-shadow: 0 8px 25px rgba(26, 74, 140, 0.3);
}

.card-icon.green {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
    box-shadow: 0 8px 25px rgba(46, 139, 87, 0.3);
}

.card-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 0.8rem;
}

.card-text {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===== PRICING CARDS ===== */
.pricing-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 24px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    height: 100%;
}

.pricing-card.featured {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    border-color: var(--primary);
    transform: scale(1.05);
    box-shadow: 0 20px 60px rgba(10, 26, 58, 0.3);
}

.pricing-card.featured .pricing-name,
.pricing-card.featured .pricing-price,
.pricing-card.featured .pricing-features li {
    color: var(--white);
}

.pricing-card.featured .pricing-features li i {
    color: var(--accent-green);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(10, 26, 58, 0.15);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--secondary), var(--accent-green));
    color: var(--white);
    padding: 0.3rem 1.2rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-name {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

.pricing-desc {
    color: var(--gray-600);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.pricing-price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.3rem;
}

.pricing-price span {
    font-size: 1rem;
    color: var(--gray-600);
    font-weight: 400;
}

.pricing-period {
    color: var(--secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 2rem;
    padding: 0;
}

.pricing-features li {
    padding: 0.6rem 0;
    color: var(--gray-600);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--gray-200);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li i {
    color: var(--secondary);
    font-size: 1rem;
}

/* ===== TIMELINE ===== */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
}

.timeline-item {
    display: flex;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-content {
    width: 45%;
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    border: 1px solid var(--gray-200);
}

.timeline-item:nth-child(even) .timeline-content {
    text-align: right;
}

.timeline-number {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 1.2rem;
    box-shadow: 0 4px 20px rgba(10, 26, 58, 0.3);
    z-index: 2;
}

/* ===== TESTIMONIAL ===== */
.testimonial-card {
    background: var(--white);
    border-radius: 24px;
    padding: 3rem;
    box-shadow: 0 20px 60px rgba(0,0,0,0.08);
    text-align: center;
    position: relative;
    border: 1px solid var(--gray-200);
}

.testimonial-card::before {
    content: '"';
    font-size: 8rem;
    color: var(--primary-light);
    opacity: 0.1;
    position: absolute;
    top: -20px;
    left: 30px;
    line-height: 1;
    font-family: Georgia, serif;
}

.testimonial-text {
    font-size: 1.2rem;
    color: var(--gray-800);
    font-style: italic;
    line-height: 1.8;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 1.2rem;
}

/* ===== CONTACT FORM ===== */
.contact-form-card {
    background: var(--white);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 20px 60px rgba(0,0,0,0.08);
    border: 1px solid var(--gray-200);
}

.form-control-ethisim {
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    padding: 1rem;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--gray-100);
}

.form-control-ethisim:focus {
    border-color: var(--secondary);
    box-shadow: 0 0 0 4px rgba(46, 139, 87, 0.1);
    background: var(--white);
}

/* ===== FOOTER ===== */
.footer-ethisim {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-ethisim h5 {
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-ethisim a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: all 0.3s ease;
    display: block;
    padding: 0.3rem 0;
}

.footer-ethisim a:hover {
    color: var(--accent-green);
    padding-left: 5px;
}

.footer-ethisim p {
    color: rgba(255,255,255,0.7);
    line-height: 1.7;
}

.social-links a {
    width: 42px;
    height: 42px;
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
    margin-right: 0.5rem;
}

.social-links a:hover {
    background: var(--secondary);
    transform: translateY(-3px);
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    margin-top: 3rem;
}

.footer-bottom p {
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== DARK SECTIONS ===== */
.bg-dark-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: var(--white);
}

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

.bg-dark-section .section-desc {
    color: rgba(255,255,255,0.7);
}

.bg-dark-section .card-ethisim {
    background: rgba(255,255,255,0.05);
    border-color: rgba(255,255,255,0.1);
    color: var(--white);
}

.bg-dark-section .card-ethisim .card-title {
    color: var(--white);
}

.bg-dark-section .card-ethisim .card-text {
    color: rgba(255,255,255,0.7);
}

/* ===== LOGIN PAGE ===== */
.login-section {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-card {
    background: var(--white);
    border-radius: 24px;
    padding: 3rem;
    width: 100%;
    max-width: 450px;
    box-shadow: 0 30px 80px rgba(0,0,0,0.3);
}

.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo img {
    height: 80px;
    margin-bottom: 1rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 991px) {
    .hero-section {
        padding: 100px 0 60px;
        text-align: center;
    }

    .hero-text {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-image {
        margin-top: 3rem;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item,
    .timeline-item:nth-child(even) {
        flex-direction: column;
        padding-left: 60px;
    }

    .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        width: 100%;
        text-align: left;
    }

    .timeline-number {
        left: 20px;
        transform: translateX(-50%);
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .pricing-card.featured:hover {
        transform: scale(1) translateY(-10px);
    }
}

@media (max-width: 768px) {
    .section-padding {
        padding: 60px 0;
    }

    .stat-number {
        font-size: 2rem;
    }

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

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-light);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}