/* styles.css */
/* --------------- RESET & VARIABLES --------------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #003d7a;
    --esg-green: #00695c;
    --accent-gold: #ffa000;
    --light-blue: #e3f2fd;
    --dark-text: #1a237e;
    --light-text: #757575;
    --white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.1);
    --shadow: 0 8px 32px rgba(0, 61, 122, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: var(--dark-text);
    overflow-x: hidden;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

/* --------------- ANIMATED BACKGROUND --------------- */
.animated-bg {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    overflow: hidden;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    animation: float 20s infinite ease-in-out;
}
.shape1 {
    width: 300px;
    height: 300px;
    background: var(--esg-green);
    top: -150px;
    left: -150px;
    animation-delay: 0s;
}
.shape2 {
    width: 200px;
    height: 200px;
    background: var(--primary-blue);
    top: 50%;
    right: -100px;
    animation-delay: 5s;
}
.shape3 {
    width: 150px;
    height: 150px;
    background: var(--accent-gold);
    bottom: -75px;
    left: 30%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
}

/* --------------- NAVIGATION --------------- */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: all 0.3s ease;
}
nav.scrolled {
    background: rgba(255, 255, 255, 0.98);
    padding: 10px 0;
}
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}
.logo {
    font-size: 24px;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary-blue), var(--esg-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    cursor: pointer;
}
.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}
.nav-links a {
    text-decoration: none;
    color: var(--dark-text);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--esg-green);
    transition: width 0.3s ease;
}
.nav-links a:hover::after {
    width: 100%;
}
.theme-toggle {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    transition: transform 0.3s ease;
}
.theme-toggle:hover {
    transform: rotate(180deg);
}

/* --------------- HERO --------------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 20px 50px;
    position: relative;
}
.hero-content {
    max-width: 1200px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}
.hero-text h1 {
    font-size: 3.5em;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--primary-blue), var(--esg-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeInUp 1s ease;
}
.hero-text h2 {
    font-size: 1.5em;
    color: var(--light-text);
    margin-bottom: 30px;
    animation: fadeInUp 1s ease 0.2s both;
}
.hero-text p {
    font-size: 1.1em;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease 0.4s both;
}
.cta-buttons {
    display: flex;
    gap: 20px;
    animation: fadeInUp 1s ease 0.6s both;
}
.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--esg-green));
    color: white;
    box-shadow: 0 4px 15px rgba(0, 61, 122, 0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 61, 122, 0.4);
}
.btn-secondary {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}
.btn-secondary:hover {
    background: var(--primary-blue);
    color: white;
}

/* --------------- PROFILE CARD --------------- */
.profile-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}
.profile-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(0, 105, 92, 0.1), transparent);
    transform: rotate(45deg);
    animation: shimmer 3s infinite;
}
.profile-img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-blue), var(--esg-green));
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    color: white;
}
.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}
.stat-item {
    text-align: center;
}
.stat-number {
    font-size: 2em;
    font-weight: bold;
    color: var(--esg-green);
}
.stat-label {
    font-size: 0.9em;
    color: var(--light-text);
}

/* --------------- SECTIONS --------------- */
section {
    padding: 120px 40px 80px;
    max-width: 1200px;
    margin: 0 auto;
    scroll-margin-top: 80px;
}
.section-title {
    font-size: 2.5em;
    text-align: center;
    margin-bottom: 50px;
    background: linear-gradient(135deg, var(--primary-blue), var(--esg-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* --------------- EXPERTISE & TOOLKIT GRIDS --------------- */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.expertise-card,
.toolkit-section {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 30px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}
.expertise-card::before,
.toolkit-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-blue), var(--esg-green));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}
.expertise-card:hover,
.toolkit-section:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 61, 122, 0.15);
}
.expertise-card:hover::before,
.toolkit-section:hover::before {
    transform: scaleX(1);
}
.expertise-icon {
    font-size: 3em;
    margin-bottom: 20px;
}

/* --------------- IMPACT METRICS --------------- */
.impact-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}
.metric-card {
    background: linear-gradient(135deg, var(--primary-blue), var(--esg-green));
    color: white;
    border-radius: 15px;
    padding: 40px;
    text-align: center;
    transform: perspective(1000px) rotateY(0deg);
    transition: all 0.3s ease;
}
.metric-card:hover {
    transform: perspective(1000px) rotateY(10deg) scale(1.05);
}
.metric-value {
    font-size: 3em;
    font-weight: bold;
    margin-bottom: 10px;
}

/* --------------- TOOLKIT PREVIEW --------------- */
.toolkit-preview {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 50px;
    margin-top: 50px;
    box-shadow: var(--shadow);
}
.toolkit-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 30px;
}
.toolkit-section {
    padding: 20px;
    border-left: 4px solid var(--esg-green);
    background: var(--light-blue);
    border-radius: 10px;
    transition: all 0.3s ease;
}
.toolkit-section:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow);
}

/* --------------- CONTACT --------------- */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}
.contact-info,
.contact-form {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow);
}
.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}
.contact-item:hover {
    transform: translateX(10px);
}
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--dark-text);
}
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid transparent;
    border-radius: 10px;
    background: var(--light-blue);
    transition: all 0.3s ease;
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--esg-green);
    background: white;
}

/* --------------- FOOTER --------------- */
footer {
    background: var(--primary-blue);
    color: white;
    text-align: center;
    padding: 40px 20px;
    margin-top: 80px;
}
.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}
.social-links a {
    color: white;
    font-size: 24px;
    transition: transform 0.3s ease;
}
.social-links a:hover {
    transform: scale(1.2);
}

/* --------------- ANIMATIONS --------------- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

/* --------------- DARK MODE --------------- */
body.dark-mode {
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    color: #e0e0e0;
}
body.dark-mode nav {
    background: rgba(26, 26, 46, 0.95);
}
body.dark-mode .profile-card,
body.dark-mode .expertise-card,
body.dark-mode .contact-info,
body.dark-mode .contact-form,
body.dark-mode .toolkit-preview,
body.dark-mode .toolkit-section {
    background: rgba(26, 26, 46, 0.9);
    color: #e0e0e0;
}
body.dark-mode .nav-links a {
    color: #e0e0e0;
}
body.dark-mode .form-group input,
body.dark-mode .form-group textarea {
    background: rgba(255, 255, 255, 0.1);
    color: #e0e0e0;
}

/* --------------- ANALYTICS POP-UP --------------- */
.analytics-popup {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px;
    box-shadow: var(--shadow);
    transform: translateX(400px);
    transition: transform 0.3s ease;
    z-index: 1001;
    max-width: 300px;
}
.analytics-popup.show {
    transform: translateX(0);
}
.analytics-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--esg-green);
    color: white;
    border: none;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    font-size: 24px;
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    z-index: 1000;
}
.analytics-toggle:hover {
    transform: scale(1.1);
    background: var(--primary-blue);
}
.analytics-close {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--light-text);
    transition: all 0.3s ease;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.analytics-close:hover {
    background: var(--light-blue);
    color: var(--dark-text);
}

/* --------------- RESPONSIVE --------------- */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-text h1 {
        font-size: 2.5em;
    }
    .nav-links {
        display: none;
    }
    .contact-content {
        grid-template-columns: 1fr;
    }
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}