/* ISR Brand Colors */
:root {
    --isr-cyan: #00BCD4;
    --isr-navy: #0B2436;
    --isr-gray: #5A6B7A;
    --isr-white: #FFFFFF;
    --isr-dark-bg: #0B2436;
    --border-radius: 12px;
    --shadow-light: 0 4px 20px rgba(0, 188, 212, 0.1);
    --shadow-medium: 0 8px 32px rgba(0, 188, 212, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Lato', 'Open Sans', Arial, sans-serif;
    background-color: var(--isr-dark-bg);
    color: var(--isr-white);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', 'Open Sans', Arial, sans-serif;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.8rem; }
h4 { font-size: 1.4rem; }

p {
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.9);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    background: var(--isr-cyan);
    color: var(--isr-white);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-light);
}

.btn:hover {
    background: #00ACC1;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-large {
    padding: 1.125rem 2.25rem;
    font-size: 1.1rem;
}

/* Fixed Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(11, 36, 54, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 188, 212, 0.1);
}

.navbar {
    padding: 1rem 0;
}

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

/* Logo Sizing - Navbar */
.nav-logo .logo-img {
    width: 200px; /* 180-220px range, choosing 200px for desktop */
    max-height: 100px;
    height: auto;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--isr-white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-link:hover::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--isr-cyan);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--isr-white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: var(--isr-navy);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 188, 212, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 188, 212, 0.08) 0%, transparent 50%),
        linear-gradient(135deg, rgba(0, 188, 212, 0.05) 0%, transparent 70%);
    z-index: 1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 100px,
            rgba(0, 188, 212, 0.02) 100px,
            rgba(0, 188, 212, 0.02) 101px
        );
    animation: wave 20s linear infinite;
}

@keyframes wave {
    0% { transform: translateX(-100px); }
    100% { transform: translateX(100px); }
}

.hero-container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    min-height: 80vh;
}

.hero-text {
    max-width: 600px;
}

.hero-title {
    font-size: 3.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--isr-white) 0%, var(--isr-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2.5rem;
    line-height: 1.5;
}

/* Hero Logo Sizing */
.hero-logo {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-logo-img {
    width: 380px; /* 340-420px range, choosing 380px for desktop */
    height: auto;
    max-width: 100%;
    object-fit: contain;
    filter: drop-shadow(0 10px 40px rgba(0, 188, 212, 0.2));
}

/* Section Styling */
.section-title {
    text-align: center;
    margin-bottom: 4rem;
    color: var(--isr-white);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--isr-cyan);
    border-radius: 2px;
}

/* Featured Reports */
.featured-reports {
    padding: 8rem 0;
    background: linear-gradient(135deg, #0A2234 0%, #0D2A40 100%);
}

.reports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.report-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    padding: 2rem;
    border: 1px solid rgba(0, 188, 212, 0.1);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.report-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--isr-cyan), rgba(0, 188, 212, 0.5));
}

.report-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
    border-color: rgba(0, 188, 212, 0.3);
}

.report-card.featured {
    border: 2px solid rgba(0, 188, 212, 0.3);
    background: rgba(0, 188, 212, 0.08);
}

.card-tags {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.tag {
    background: rgba(0, 188, 212, 0.2);
    color: var(--isr-cyan);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid rgba(0, 188, 212, 0.3);
}

.card-title {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--isr-white);
    line-height: 1.3;
}

.card-blurb {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.card-cta {
    color: var(--isr-cyan);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.card-cta:hover {
    color: #00ACC1;
    transform: translateX(4px);
}

/* Features Section */
.features {
    padding: 8rem 0;
    background: var(--isr-navy);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.feature-card {
    text-align: center;
    padding: 2.5rem 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.feature-card:hover {
    background: rgba(0, 188, 212, 0.05);
    border-color: rgba(0, 188, 212, 0.2);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 3rem;
    color: var(--isr-cyan);
    margin-bottom: 1.5rem;
}

.feature-title {
    margin-bottom: 1rem;
    color: var(--isr-white);
}

.feature-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

/* Innovation Lens */
.innovation-lens {
    padding: 8rem 0;
    background: linear-gradient(135deg, #0D2A40 0%, #0A2234 100%);
}

.sectors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.sector-card {
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    position: relative;
}

.sector-card:hover {
    background: rgba(0, 188, 212, 0.08);
    border-color: rgba(0, 188, 212, 0.3);
    transform: translateY(-6px);
}

.sector-icon {
    font-size: 2.5rem;
    color: var(--isr-cyan);
    margin-bottom: 1.5rem;
}

.sector-title {
    color: var(--isr-white);
    margin-bottom: 1rem;
}

.sector-description {
    color: rgba(255, 255, 255, 0.8);
}

/* Methodology */
.methodology {
    padding: 8rem 0;
    background: var(--isr-navy);
}

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

.method-card {
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--border-radius);
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.method-card:hover {
    background: rgba(0, 188, 212, 0.06);
    border-color: rgba(0, 188, 212, 0.2);
    transform: translateY(-4px);
}

.method-icon {
    font-size: 2.5rem;
    color: var(--isr-cyan);
    margin-bottom: 1.5rem;
}

.method-title {
    color: var(--isr-white);
    margin-bottom: 1rem;
}

.method-description {
    color: rgba(255, 255, 255, 0.8);
}

/* About Section */
.about {
    padding: 8rem 0;
    background: linear-gradient(135deg, #0A2234 0%, #0D2A40 100%);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-paragraph {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
}

/* Subscribe Section */
.subscribe {
    padding: 8rem 0;
    background: var(--isr-navy);
}

.subscribe-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.subscribe-description {
    font-size: 1.1rem;
    margin-bottom: 3rem;
    color: rgba(255, 255, 255, 0.8);
}

.subscribe-form {
    margin-bottom: 1.5rem;
}

.form-group {
    display: flex;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.form-group input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.05);
    color: var(--isr-white);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--isr-cyan);
    background: rgba(255, 255, 255, 0.08);
}

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.subscribe-note {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Footer */
.footer {
    background: #081A29;
    padding: 3rem 0 2rem;
    border-top: 1px solid rgba(0, 188, 212, 0.1);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-logo-img {
    width: 120px;
    height: auto;
    opacity: 0.8;
}

.footer-nav {
    display: flex;
    gap: 2rem;
}

.footer-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--isr-cyan);
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    /* Mobile Logo Sizing */
    .nav-logo .logo-img {
        width: 135px; /* 120-150px range, choosing 135px for mobile */
        max-height: 65px;
    }

    .hero-logo-img {
        width: 270px; /* 240-300px range, choosing 270px for mobile */
    }

    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(11, 36, 54, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateY(-100vh);
        transition: var(--transition);
        border-top: 1px solid rgba(0, 188, 212, 0.1);
    }

    .nav-menu.active {
        transform: translateY(0);
    }

    .nav-toggle {
        display: block;
    }

    .nav-cta {
        display: none;
    }

    /* Hero Mobile */
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
        min-height: 70vh;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    /* Grids Mobile */
    .reports-grid,
    .features-grid,
    .sectors-grid,
    .methodology-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .form-group {
        flex-direction: column;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

    .footer-nav {
        flex-wrap: wrap;
        justify-content: center;
    }

    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
    .nav-logo .logo-img {
        width: 120px;
        max-height: 65px;
    }

    .hero-logo-img {
        width: 240px;
    }

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

    .container {
        padding: 0 0.75rem;
    }

    .report-card,
    .feature-card,
    .sector-card,
    .method-card {
        padding: 1.5rem;
    }
}

/* Tablet specific adjustments */
@media (min-width: 768px) and (max-width: 1024px) {
    .reports-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-content {
        gap: 2rem;
    }

    .nav-logo .logo-img {
        width: 180px;
    }

    .hero-logo-img {
        width: 340px;
    }
}

/* === Legal pages (shared dark layout) === */
.page-legal{background:#0B1F33!important}
.page-legal .card{background:transparent;box-shadow:none;color:#F5F7FA}
.page-legal .card a{color:#1F6FEB}
.page-legal h1,.page-legal h2,.page-legal h3,.page-legal strong{color:#FFF!important}
.page-legal p,.page-legal li,.page-legal address{color:#F5F7FA!important}
.page-legal .toc{background:rgba(255,255,255,.06)!important;border:1px solid rgba(255,255,255,.15)!important}
.page-legal .toc a{color:#6EC1FF!important}

/* ===== ISR x ActiveCampaign form overrides ===== */
#subscribe ._form { 
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  padding: 0 !important;
  max-width: 520px; 
  margin: 0 auto;             /* center the form card */
}

/* Title + labels */
#subscribe ._form-title { 
  color: #EAF3F8 !important; 
  font-weight: 800 !important; 
  letter-spacing: .2px;
}
#subscribe ._form-label { 
  color: #9AB2C1 !important; 
  font-weight: 600;
}

/* Inputs */
#subscribe ._form input[type="email"],
#subscribe ._form input[type="text"],
#subscribe ._form input[type="tel"] {
  width: 100% !important;
  padding: 14px 16px !important;
  background: #0F1A22 !important;           /* dark input */
  color: #EAF3F8 !important;
  border: 1px solid #26323B !important;
  border-radius: 12px !important;
  outline: none;
  font-size: 16px !important;
}
#subscribe ._form input::placeholder { color: #7F95A3 !important; }
#subscribe ._form input:focus { 
  border-color: #3AA5D9 !important; 
  box-shadow: 0 0 0 3px rgba(58,165,217,.25) !important;
}

/* CTA Button */
#subscribe ._form ._submit,
#subscribe ._form ._button {
  width: 100% !important;
  display: inline-flex !important;
  justify-content: center;
  align-items: center;
  gap: .5rem;
  margin-top: 14px !important;
  padding: 16px 20px !important;
  border-radius: 999px !important;
  border: 0 !important;
  text-transform: uppercase;
  letter-spacing: .4px;
  font-weight: 800 !important;
  color: #fff !important;
  background: linear-gradient(135deg, #0190D4, #00C2FF) !important;  /* ISR cyan gradient */
  box-shadow: 0 12px 26px rgba(1,144,212,.45) !important;
  cursor: pointer;
}
#subscribe ._form ._submit:hover,
#subscribe ._form ._button:hover { filter: brightness(1.06); }

/* Fine print / branding */
#subscribe ._form ._subtle { color: #9AB2C1 !important; }
#subscribe ._form ._form-branding { display: none !important; }  /* hide “Marketing by ActiveCampaign” if allowed by your plan */