/* ============================================================
   PROPEL SOURCE GROUP — Design System (Light Theme)
   Colors: White (#ffffff), Light gray (#f7f7f8), 
           Crimson (#C41E2A), Black (#111111)
   ============================================================ */

/* ---------- Reset & Base ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@300;400;500;600;700;800;900&display=swap');

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

:root {
    --clr-bg-deep: #f0f0f2;
    --clr-bg: #ffffff;
    --clr-bg-alt: #f7f7f8;
    --clr-bg-card: #ffffff;
    --clr-bg-card-hover: #fafafa;
    --clr-surface: #f2f2f4;
    --clr-border: #e2e2e6;
    --clr-border-hover: #cccccc;
    --clr-red: #C41E2A;
    --clr-red-light: #e8333f;
    --clr-red-dark: #9a1721;
    --clr-red-glow: rgba(196, 30, 42, 0.18);
    --clr-red-bg: rgba(196, 30, 42, 0.06);
    --clr-text: #111111;
    --clr-text-secondary: #333333;
    --clr-text-muted: #666666;
    --clr-text-subtle: #999999;
    --clr-white: #ffffff;
    --clr-black: #111111;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition-fast: 0.2s ease;
    --transition-med: 0.4s ease;
    --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.06), 0 2px 6px rgba(0,0,0,0.04);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.1), 0 8px 20px rgba(0,0,0,0.04);
}

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

body {
    font-family: var(--font-body);
    background-color: var(--clr-bg);
    color: var(--clr-text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
}

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

ul, ol {
    list-style: none;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--clr-black);
}

h1 { font-size: clamp(2.5rem, 5.5vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 2.5vw, 2rem); }
h4 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

.text-gradient {
    background: linear-gradient(135deg, var(--clr-black) 0%, #444444 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-red {
    color: var(--clr-red);
    -webkit-text-fill-color: var(--clr-red);
}

.text-muted {
    color: var(--clr-text-muted);
}

/* ---------- Layout ---------- */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.container-narrow {
    max-width: 900px;
}

.section {
    padding: 8rem 0;
    position: relative;
}

.section-sm {
    padding: 5rem 0;
}

/* ---------- Grid ---------- */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ---------- Navigation ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: all var(--transition-med);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--clr-border);
    padding: 0.5rem 0;
    box-shadow: var(--shadow-sm);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-logo {
    height: 80px;
    width: auto;
    transition: all var(--transition-med);
}

.navbar.scrolled .navbar-logo {
    height: 55px;
}

.navbar-logo:hover {
    transform: scale(1.03);
}

.navbar-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.navbar-links a {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--clr-text-muted);
    transition: color var(--transition-fast);
    position: relative;
    letter-spacing: 0.02em;
}

.navbar-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--clr-red);
    transition: width var(--transition-med);
}

.navbar-links a:hover,
.navbar-links a.active {
    color: var(--clr-black);
}

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

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--clr-black);
    transition: all var(--transition-fast);
    border-radius: 2px;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .navbar-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(30px);
        flex-direction: column;
        justify-content: center;
        gap: 2rem;
        transition: right var(--transition-slow);
    }

    .navbar-links.open {
        right: 0;
    }

    .navbar-links a {
        font-size: 1.4rem;
        font-weight: 600;
        color: var(--clr-black);
    }
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: all var(--transition-med);
    letter-spacing: 0.02em;
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    background: var(--clr-red-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--clr-red-glow);
}

.btn-outline {
    background: transparent;
    color: var(--clr-black);
    border: 1.5px solid var(--clr-border);
}

.btn-outline:hover {
    border-color: var(--clr-red);
    color: var(--clr-red);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--clr-red);
    padding: 0.5rem 0;
}

.btn-ghost:hover {
    color: var(--clr-red-dark);
}

.btn-ghost .arrow {
    transition: transform var(--transition-fast);
}

.btn-ghost:hover .arrow {
    transform: translateX(4px);
}

.btn-lg {
    padding: 1.1rem 2.75rem;
    font-size: 1rem;
}

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

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 60% at 70% 30%, rgba(196, 30, 42, 0.04) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 20% 80%, rgba(196, 30, 42, 0.03) 0%, transparent 50%),
        linear-gradient(180deg, var(--clr-bg) 0%, var(--clr-bg-alt) 100%);
    z-index: 1;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(196, 30, 42, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(196, 30, 42, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 2;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black, transparent);
}

#particles-canvas {
    position: absolute;
    inset: 0;
    z-index: 3;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: var(--clr-red-bg);
    border: 1px solid rgba(196, 30, 42, 0.15);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--clr-red);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.hero-label .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--clr-red);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.hero h1 {
    margin-bottom: 1.5rem;
    font-weight: 800;
    color: var(--clr-black);
}

.hero p {
    font-size: 1.2rem;
    color: var(--clr-text-muted);
    max-width: 600px;
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

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

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--clr-text-subtle);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: float 3s ease-in-out infinite;
}

.scroll-indicator .line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--clr-red), transparent);
    animation: scroll-line 2s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

@keyframes scroll-line {
    0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
    100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

/* ---------- Page Hero (Inner Pages) ---------- */
.page-hero {
    position: relative;
    padding: 12rem 0 6rem;
    overflow: hidden;
    background: var(--clr-bg);
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 70% 50% at 50% 0%, rgba(196, 30, 42, 0.04) 0%, transparent 60%),
        linear-gradient(180deg, var(--clr-bg) 0%, var(--clr-bg-alt) 100%);
}

.page-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--clr-border), transparent);
}

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

.page-hero-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--clr-red);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.page-hero h1 {
    margin-bottom: 1.5rem;
    max-width: 700px;
    color: var(--clr-black);
}

.page-hero p {
    font-size: 1.15rem;
    color: var(--clr-text-muted);
    max-width: 600px;
    line-height: 1.8;
}

/* ---------- Section Headers ---------- */
.section-header {
    margin-bottom: 4rem;
}

.section-header .label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--clr-red);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.section-header h2 {
    margin-bottom: 1rem;
    color: var(--clr-black);
}

.section-header p {
    font-size: 1.1rem;
    color: var(--clr-text-muted);
    max-width: 600px;
    line-height: 1.8;
}

.section-header.center {
    text-align: center;
}

.section-header.center p {
    margin: 0 auto;
}

/* ---------- Cards ---------- */
.card {
    background: var(--clr-bg-card);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    transition: all var(--transition-med);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--clr-red), transparent);
    opacity: 0;
    transition: opacity var(--transition-med);
}

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

.card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: var(--clr-red-bg);
    color: var(--clr-red);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--clr-black);
}

.card p {
    color: var(--clr-text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Number card variation */
.card-number {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 900;
    color: var(--clr-red);
    opacity: 0.1;
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    line-height: 1;
}

/* ---------- Stats ---------- */
.stats-section {
    background: var(--clr-bg-alt);
    border-top: 1px solid var(--clr-border);
    border-bottom: 1px solid var(--clr-border);
}

.stat-item {
    text-align: center;
    padding: 2rem 1rem;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 900;
    color: var(--clr-black);
    margin-bottom: 0.5rem;
    position: relative;
    display: inline-block;
}

.stat-number .suffix {
    color: var(--clr-red);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--clr-text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-weight: 500;
}

/* ---------- CTA Section ---------- */
.cta-section {
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 60% at 50% 50%, rgba(196, 30, 42, 0.04) 0%, transparent 60%);
}

.cta-box {
    position: relative;
    z-index: 2;
    background: var(--clr-white);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: 5rem 3rem;
    text-align: center;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.cta-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--clr-red), transparent);
}

.cta-box h2 {
    margin-bottom: 1rem;
    color: var(--clr-black);
}

.cta-box p {
    color: var(--clr-text-muted);
    font-size: 1.1rem;
    max-width: 500px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
}

/* ---------- Divider ---------- */
.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--clr-border), transparent);
    border: none;
}

/* ---------- About Grid ---------- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-visual {
    position: relative;
    height: 500px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--clr-border);
    box-shadow: var(--shadow-md);
}

.about-visual-inner {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 60% 60% at 30% 40%, rgba(196, 30, 42, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse 40% 40% at 70% 60%, rgba(196, 30, 42, 0.04) 0%, transparent 50%),
        var(--clr-bg-alt);
}

.about-visual-inner::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(196, 30, 42, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(196, 30, 42, 0.06) 1px, transparent 1px);
    background-size: 40px 40px;
}

.about-visual .floating-element {
    position: absolute;
    width: 120px;
    height: 120px;
    border: 1px solid rgba(196, 30, 42, 0.12);
    border-radius: var(--radius-md);
    background: rgba(196, 30, 42, 0.03);
    animation: float-element 8s ease-in-out infinite;
}

.about-visual .floating-element:nth-child(2) {
    top: 20%;
    left: 15%;
    animation-delay: -2s;
}

.about-visual .floating-element:nth-child(3) {
    top: 50%;
    right: 10%;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    animation-delay: -4s;
}

.about-visual .floating-element:nth-child(4) {
    bottom: 15%;
    left: 30%;
    width: 60px;
    height: 60px;
    animation-delay: -6s;
}

@keyframes float-element {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33% { transform: translateY(-15px) rotate(2deg); }
    66% { transform: translateY(10px) rotate(-1deg); }
}

.about-content h2 {
    margin-bottom: 1.5rem;
    color: var(--clr-black);
}

.about-content p {
    color: var(--clr-text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    .about-visual {
        height: 300px;
    }
}

/* ---------- Values / Pillars ---------- */
.value-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--clr-border);
}

.value-item:last-child {
    border-bottom: none;
}

.value-number {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--clr-red);
    min-width: 30px;
}

.value-content h4 {
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--clr-black);
}

.value-content p {
    color: var(--clr-text-muted);
    font-size: 0.95rem;
}

/* ---------- Solutions / Services ---------- */
.solution-card {
    background: var(--clr-bg-card);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    padding: 3rem 2.5rem;
    transition: all var(--transition-med);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.solution-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--clr-red);
    transition: width var(--transition-slow);
}

.solution-card:hover {
    border-color: var(--clr-border-hover);
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.solution-card:hover::after {
    width: 100%;
}

.solution-icon {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    display: block;
    color: var(--clr-red);
}

.solution-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--clr-black);
}

.solution-card p {
    color: var(--clr-text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.solution-features {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.solution-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--clr-text-muted);
}

.solution-features li::before {
    content: '';
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--clr-red);
    flex-shrink: 0;
}

/* ---------- Insights / Articles ---------- */
.insight-card {
    background: var(--clr-bg-card);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-med);
    box-shadow: var(--shadow-sm);
}

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

.insight-thumb {
    height: 200px;
    position: relative;
    overflow: hidden;
}

.insight-thumb-inner {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--clr-bg-alt) 0%, var(--clr-surface) 100%);
}

.insight-thumb-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.6;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(196, 30, 42, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 30%, rgba(196, 30, 42, 0.06) 0%, transparent 40%);
}

.insight-body {
    padding: 2rem;
}

.insight-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.insight-tag {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--clr-red);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    background: var(--clr-red-bg);
    padding: 0.3rem 0.75rem;
    border-radius: 100px;
}

.insight-date {
    font-size: 0.8rem;
    color: var(--clr-text-subtle);
}

.insight-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
    color: var(--clr-black);
    transition: color var(--transition-fast);
}

.insight-card:hover h3 {
    color: var(--clr-red);
}

.insight-card p {
    font-size: 0.9rem;
    color: var(--clr-text-muted);
    line-height: 1.7;
}

/* ---------- Approach / Process ---------- */
.approach-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
}

.approach-grid::before {
    content: '';
    position: absolute;
    top: 60px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--clr-border), var(--clr-border), transparent);
    z-index: 0;
}

.approach-step {
    text-align: center;
    padding: 0 1.5rem;
    position: relative;
    z-index: 1;
}

.approach-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--clr-white);
    border: 2px solid var(--clr-red);
    color: var(--clr-red);
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: var(--shadow-sm);
}

.approach-step h4 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--clr-black);
}

.approach-step p {
    font-size: 0.9rem;
    color: var(--clr-text-muted);
    line-height: 1.7;
}

@media (max-width: 1024px) {
    .approach-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 3rem;
    }
    .approach-grid::before { display: none; }
}

@media (max-width: 768px) {
    .approach-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

/* ---------- Contact Form ---------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
}

.contact-info h3 {
    margin-bottom: 1rem;
    color: var(--clr-black);
}

.contact-info p {
    color: var(--clr-text-muted);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-detail-icon {
    width: 44px;
    height: 44px;
    background: var(--clr-red-bg);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-red);
    flex-shrink: 0;
    font-size: 1.1rem;
}

.contact-detail-text span {
    display: block;
    font-size: 0.85rem;
    color: var(--clr-text-subtle);
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.contact-detail-text a,
.contact-detail-text p {
    color: var(--clr-text);
    font-size: 0.95rem;
    margin: 0;
}

.contact-form {
    background: var(--clr-white);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow-md);
}

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--clr-text);
    margin-bottom: 0.5rem;
    letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1.25rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--clr-text);
    background: var(--clr-bg-alt);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--clr-text-subtle);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--clr-red);
    box-shadow: 0 0 0 3px var(--clr-red-glow);
    background: var(--clr-white);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ---------- Testimonial ---------- */
.testimonial-section {
    position: relative;
}

.testimonial-card {
    background: var(--clr-white);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: 4rem;
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: var(--shadow-md);
}

.testimonial-card::before {
    content: '"';
    font-family: var(--font-heading);
    font-size: 8rem;
    color: var(--clr-red);
    opacity: 0.12;
    position: absolute;
    top: 1rem;
    left: 2rem;
    line-height: 1;
}

.testimonial-card blockquote {
    font-size: 1.2rem;
    line-height: 1.9;
    color: var(--clr-text-secondary);
    margin-bottom: 2rem;
    font-style: italic;
    position: relative;
    z-index: 1;
}

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

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--clr-red), var(--clr-red-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-white);
    font-weight: 700;
    font-size: 1.1rem;
}

.testimonial-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--clr-black);
}

.testimonial-role {
    font-size: 0.85rem;
    color: var(--clr-text-muted);
}

/* ---------- Footer ---------- */
.footer {
    padding: 5rem 0 2rem;
    border-top: 1px solid var(--clr-border);
    background: var(--clr-bg-alt);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-brand p {
    color: var(--clr-text-muted);
    font-size: 0.9rem;
    max-width: 280px;
    margin-top: 1rem;
    line-height: 1.7;
}

.footer-logo {
    height: 60px;
    width: auto;
}

.footer-col h4 {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--clr-black);
    margin-bottom: 1.25rem;
}

.footer-col a {
    display: block;
    font-size: 0.9rem;
    color: var(--clr-text-muted);
    margin-bottom: 0.75rem;
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: var(--clr-red);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--clr-border);
    font-size: 0.8rem;
    color: var(--clr-text-subtle);
}

.footer-bottom-links {
    display: flex;
    gap: 1.5rem;
}

.footer-bottom-links a {
    color: var(--clr-text-subtle);
    transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
    color: var(--clr-red);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

/* ---------- Animations (Scroll Reveal) ---------- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ---------- Back to Top ---------- */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    background: var(--clr-red);
    border: none;
    border-radius: 50%;
    color: var(--clr-white);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-med);
    z-index: 999;
    box-shadow: var(--shadow-md);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--clr-red-light);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px var(--clr-red-glow);
}

/* ---------- Utility ---------- */
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.text-center { text-align: center; }
.text-right { text-align: right; }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }

/* ---------- Loading overlay ---------- */
.page-loader {
    position: fixed;
    inset: 0;
    background: var(--clr-white);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s, visibility 0.5s;
}

.page-loader.loaded {
    opacity: 0;
    visibility: hidden;
}

.loader-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--clr-border);
    border-top-color: var(--clr-red);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ---------- Alt background for sections ---------- */
.section-alt {
    background: var(--clr-bg-alt);
}

/* ---------- Responsive Fine-tuning ---------- */
@media (max-width: 768px) {
    .section { padding: 5rem 0; }
    .container { padding: 0 1.25rem; }
    .hero { min-height: 90vh; }
    .hero h1 { font-size: 2.2rem; }
    .hero p { font-size: 1rem; }
    .page-hero { padding: 10rem 0 4rem; }
    .cta-box { padding: 3rem 1.5rem; }
    .testimonial-card { padding: 2.5rem 2rem; }
    .contact-form { padding: 2rem; }
    .navbar-logo { height: 55px; }
    .navbar.scrolled .navbar-logo { height: 42px; }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
    }
    .btn {
        justify-content: center;
    }
}

/* Smooth page transitions */
.page-transition {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}