/* Iris Website - Main Stylesheet */

/* ==================== CSS Variables ==================== */
:root {
    --primary: #1e3a8a;      /* Deep Navy Blue */
    --secondary: #f97316;    /* Vibrant Orange */
    --accent: #3b82f6;       /* Lighter Blue */
    --dark: #0f172a;         /* Near Black */
    --light: #f8fafc;        /* Off White */
    --gray: #64748b;         /* Slate Gray */
    --gray-light: #e2e8f0;   /* Light Gray */
    --white: #ffffff;
    --text: #1e293b;         /* Dark Text */
    --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-mono: 'Courier New', Courier, monospace;
    --border-radius: 8px;
    --border-radius-lg: 16px;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

/* ==================== Reset ==================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--text);
    background-color: var(--white);
    line-height: 1.6;
    font-size: 16px;
}

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

a:hover {
    color: var(--secondary);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
}

/* ==================== Layout ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 80px 0;
}

/* ==================== Navigation ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    padding: 16px 0;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
}

.logo-icon {
    color: var(--secondary);
    font-size: 20px;
}

.logo-text {
    color: var(--white);
    letter-spacing: 1px;
}

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

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    font-size: 15px;
    letter-spacing: 0.5px;
    transition: var(--transition);
}

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

/* ==================== Hero Section ==================== */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 60%, #1d4ed8 100%);
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 50%, rgba(249, 115, 22, 0.1) 0%, transparent 60%);
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    width: 100%;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: clamp(36px, 5vw, 64px);
    font-weight: 800;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 36px;
    line-height: 1.5;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* ==================== Buttons ==================== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background: var(--secondary);
    color: var(--white);
    border: 2px solid var(--secondary);
}

.btn-primary:hover {
    background: #ea6c0a;
    border-color: #ea6c0a;
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(249, 115, 22, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-large {
    padding: 18px 48px;
    font-size: 18px;
    background: var(--secondary);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius);
}

.btn-large:hover {
    background: #ea6c0a;
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(249, 115, 22, 0.4);
}

/* ==================== Hero Graphic ==================== */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-graphic {
    position: relative;
    width: 400px;
    height: 400px;
}

.graphic-element {
    position: absolute;
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.element-1 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.3) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.element-2 {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.4) 0%, transparent 70%);
    top: 20%;
    left: 20%;
    animation-delay: -2s;
}

.element-3 {
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
    bottom: 20%;
    right: 20%;
    animation-delay: -4s;
}

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

/* ==================== Services Preview ==================== */
.services-preview {
    background: var(--light);
    text-align: center;
}

.services-preview h2 {
    font-size: 42px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--gray);
    margin-bottom: 48px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    text-align: left;
}

.service-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 32px 24px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--gray-light);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.service-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 10px;
}

.service-card p {
    font-size: 15px;
    color: var(--gray);
    line-height: 1.6;
    margin-bottom: 16px;
}

.service-link {
    color: var(--accent);
    font-weight: 600;
    font-size: 14px;
}

.service-link:hover {
    color: var(--secondary);
}

/* ==================== Value Proposition ==================== */
.value-prop {
    background: var(--white);
    text-align: center;
}

.value-prop h2 {
    font-size: 42px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 48px;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.value-item {
    padding: 32px;
    background: var(--light);
    border-radius: var(--border-radius-lg);
    text-align: left;
}

.value-item h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 12px;
}

.value-item p {
    color: var(--gray);
    line-height: 1.6;
}

/* ==================== CTA Section ==================== */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, #1d4ed8 100%);
    color: var(--white);
    text-align: center;
    padding: 100px 0;
}

.cta-section h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
}

.cta-secondary {
    margin-top: 16px;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.6);
}

.cta-secondary a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: underline;
}

/* ==================== Footer ==================== */
.footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 24px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: var(--white);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.footer-section p {
    font-size: 14px;
    line-height: 1.8;
}

.footer-section ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

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

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-section a:hover {
    color: var(--secondary);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 24px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.4);
}

/* ==================== Responsive Design ==================== */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-image {
        display: none;
    }

    .hero-cta {
        justify-content: center;
    }

    .nav-menu {
        gap: 16px;
    }

    .nav-link {
        font-size: 14px;
    }

    section {
        padding: 60px 0;
    }

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

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

    .cta-section h2 {
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }

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

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
    }
}

/* ==================== Services Page ==================== */
.page-hero {
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
    padding: 140px 0 80px;
    text-align: center;
    color: var(--white);
}

.page-hero h1 {
    font-size: 52px;
    font-weight: 800;
    margin-bottom: 16px;
}

.page-hero p {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.75);
    max-width: 600px;
    margin: 0 auto;
}

.services-detail {
    padding: 80px 0;
}

.service-detail-card {
    background: var(--white);
    border: 1px solid var(--gray-light);
    border-radius: var(--border-radius-lg);
    padding: 48px;
    margin-bottom: 32px;
    box-shadow: var(--shadow);
}

.service-detail-card h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.service-detail-card p {
    font-size: 17px;
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 24px;
}

.service-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 15px;
    color: var(--text);
}

.feature-item::before {
    content: '✓';
    color: var(--secondary);
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 2px;
}

.service-pricing {
    background: var(--light);
    border-radius: var(--border-radius);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.pricing-range {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
}

.pricing-note {
    font-size: 14px;
    color: var(--gray);
}

/* ==================== Portfolio Page ==================== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 32px;
}

.portfolio-card {
    background: var(--white);
    border: 1px solid var(--gray-light);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.portfolio-card-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    padding: 32px;
    color: var(--white);
}

.portfolio-card-header h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
}

.portfolio-card-header .tag {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}

.portfolio-card-body {
    padding: 32px;
}

.portfolio-card-body p {
    color: var(--gray);
    line-height: 1.6;
    margin-bottom: 20px;
}

.portfolio-metrics {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.metric {
    text-align: center;
}

.metric-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--secondary);
    display: block;
}

.metric-label {
    font-size: 12px;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ==================== Utility Classes ==================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-4 { margin-top: 16px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }
.mb-8 { margin-bottom: 32px; }

.hidden { display: none; }
.visible { display: block; }