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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #fff;
}

/* Landing Page Styles */
.landing-container {
    min-height: 100vh;
    background: linear-gradient(135deg, #1e293b 0%, #581c87 50%, #1e293b 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.landing-content {
    text-center;
}

.landing-title {
    font-size: 3.75rem;
    font-weight: 900;
    background: linear-gradient(to right, #f9a8d4, #c084fc, #60a5fa);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 2rem 0 1rem;
}

.landing-subtitle {
    font-size: 1.5rem;
    color: #d1d5db;
    font-weight: 300;
    margin-bottom: 3rem;
}

.access-form-container {
    max-width: 28rem;
    margin: 0 auto;
}

.access-form-box {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(16px);
    border: 1px solid #4b5563;
    border-radius: 0.75rem;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.access-form-box input {
    flex: 1;
    padding: 0.75rem 1rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid #4b5563;
    border-radius: 0.5rem;
    color: #fff;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s;
}

.access-form-box input:focus {
    border-color: #a855f7;
    box-shadow: 0 0 0 2px rgba(168, 85, 247, 0.3);
}

.access-form-box button {
    padding: 0.75rem 1.5rem;
    background: linear-gradient(to right, #a855f7, #ec4899);
    border: none;
    border-radius: 0.5rem;
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.3s;
}

.access-form-box button:hover {
    background: linear-gradient(to right, #9333ea, #db2777);
    transform: scale(1.02);
}

.error-msg {
    margin-top: 1rem;
    color: #fca5a5;
    font-size: 0.875rem;
    min-height: 1.25rem;
}

/* NDA Page Styles */
.nda-container {
    min-height: 100vh;
    background: linear-gradient(135deg, #1e293b 0%, #581c87 50%, #1e293b 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
}

.nda-content {
    max-width: 42rem;
    width: 100%;
}

.nda-box {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 3rem 2rem;
}

.nda-header h1 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 2rem;
}

.nda-text {
    color: #d1d5db;
    line-height: 1.75;
    margin-bottom: 2rem;
}

.nda-text p {
    margin-bottom: 1.5rem;
}

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

.form-group label {
    display: block;
    color: #fff;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid #4b5563;
    border-radius: 0.5rem;
    color: #fff;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s;
}

.form-group input:focus {
    border-color: #a855f7;
    box-shadow: 0 0 0 2px rgba(168, 85, 247, 0.3);
}

.form-submit {
    padding-top: 1rem;
    display: flex;
    justify-content: flex-end;
}

.nda-submit-btn {
    padding: 1rem 2rem;
    background: linear-gradient(to right, #06b6d4, #3b82f6, #a855f7, #ec4899, #ef4444);
    border: none;
    border-radius: 0.75rem;
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.nda-submit-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
}

/* Calculator Body */
.calculator-body {
    background: linear-gradient(135deg, #000 0%, #1e293b 50%, #581c87 100%);
    min-height: 100vh;
}

/* Header Styles */
.calc-header {
    padding: 1rem;
    position: relative;
    z-index: 20;
}

.header-container {
    max-width: 80rem;
    margin: 0 auto;
}

.header-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 1rem;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
    justify-content: flex-start;
}

.header-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    white-space: nowrap;
}

.header-center {
    /* Empty - clear space */
}

.header-right {
    display: flex;
    justify-content: flex-end;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #a855f7;
}

/* SCI Badge Styles */
.sci-badge-small {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 10px;
    background: linear-gradient(45deg, #6B46C1, #9333EA, #E879F9, #EC4899, #06B6D4, #3B82F6);
    background-size: 400% 400%;
    border-radius: 12px;
    border: 1.2px solid #00FF41;
    box-shadow: 0 0 12px rgba(0,255,65,.5);
    font-size: 7px;
    font-weight: 700;
    letter-spacing: 0.6px;
    color: #fff;
    position: relative;
    animation: gradientSwirl 3s ease infinite, pulsate 1.5s ease-in-out infinite;
    white-space: nowrap;
    flex-shrink: 0;
}

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

@keyframes pulsate {
    0%, 100% {
        box-shadow: 0 0 12px rgba(0,255,65,.5);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 24px rgba(0,255,65,.8), 0 0 36px rgba(0,255,65,.4);
        transform: scale(1.02);
    }
}

/* Atom Icon */
.atom-icon-small {
    width: 12px;
    height: 12px;
    position: relative;
    display: inline-block;
}

.atom-nucleus-small {
    width: 3px;
    height: 3px;
    background: #00FF41;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 4px #00FF41;
}

.atom-orbit-small {
    position: absolute;
    border: 1px solid rgba(0,255,65,0.4);
    border-radius: 50%;
    animation: orbit 2s linear infinite;
}

.atom-orbit-small:nth-child(2) {
    width: 12px;
    height: 12px;
    top: 0;
    left: 0;
}

.atom-orbit-small:nth-child(3) {
    width: 12px;
    height: 12px;
    top: 0;
    left: 0;
    transform: rotate(60deg);
}

.atom-orbit-small:nth-child(4) {
    width: 12px;
    height: 12px;
    top: 0;
    left: 0;
    transform: rotate(120deg);
}

.atom-electron-small {
    width: 2px;
    height: 2px;
    background: #00FF41;
    border-radius: 50%;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 2px #00FF41;
}

@keyframes orbit {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* 3D Logo Cube */
.vn-logo-3d {
    width: 120px;
    height: 120px;
    perspective: 800px;
    margin: 0 auto 2rem;
}

.logo-cube {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    animation: rotateCube 20s infinite linear;
}

.logo-face {
    position: absolute;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    font-weight: 900;
    color: rgba(255,255,255,0.95);
    background: linear-gradient(135deg, rgba(168,85,247,0.9), rgba(236,72,153,0.9));
    border: 2px solid rgba(255,255,255,0.3);
    box-shadow: inset 0 0 20px rgba(255,255,255,0.2);
}

.logo-face:nth-child(1) { transform: rotateY(0deg) translateZ(60px); }
.logo-face:nth-child(2) { transform: rotateY(90deg) translateZ(60px); }
.logo-face:nth-child(3) { transform: rotateY(180deg) translateZ(60px); }
.logo-face:nth-child(4) { transform: rotateY(-90deg) translateZ(60px); }
.logo-face:nth-child(5) { transform: rotateX(90deg) translateZ(60px); }
.logo-face:nth-child(6) { transform: rotateX(-90deg) translateZ(60px); }

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

/* Hero Section */
.hero-section {
    padding: 4rem 1rem 5rem;
    text-align: center;
}

.hero-content {
    max-width: 80rem;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.75rem;
    font-weight: 700;
    background: linear-gradient(to right, #fff, #c4b5fd, #f9a8d4);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.hero-subtitle {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(to right, #fff, #c4b5fd, #f9a8d4);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 2rem;
}

.hero-text {
    font-size: 1.25rem;
    color: #d1d5db;
    max-width: 56rem;
    margin: 0 auto 3rem;
}

.hero-text .highlight {
    color: #a855f7;
    font-weight: 600;
}

/* Calculator Section */
.calculator-section {
    padding: 3rem 1rem 5rem;
}

.calc-container {
    max-width: 80rem;
    margin: 0 auto;
}

.calc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.calc-card {
    background: linear-gradient(135deg, rgba(59,130,246,0.1), rgba(168,85,247,0.1), rgba(236,72,153,0.1));
    backdrop-filter: blur(16px);
    border-radius: 1rem;
    padding: 2rem;
    transition: all 0.5s;
    position: relative;
}

.calc-card:hover {
    transform: scale(1.02);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
}

.formula-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
}

.formula-badge.blue {
    background: rgba(59,130,246,0.2);
    border: 1px solid rgba(59,130,246,0.3);
    color: #93c5fd;
}

.formula-badge.purple {
    background: rgba(168,85,247,0.2);
    border: 1px solid rgba(168,85,247,0.3);
    color: #c084fc;
}

.radio-btn {
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    border: 2px solid #9ca3af;
    background: transparent;
    cursor: pointer;
    transition: all 0.3s;
}

.radio-btn.active {
    border-color: #a855f7;
    background: #a855f7;
}

.card-desc {
    color: #d1d5db;
    margin-bottom: 1.5rem;
}

.formula-display {
    text-align: center;
    margin-bottom: 1.5rem;
}

.formula-text {
    font-size: 1.5rem;
    font-family: monospace;
    margin-bottom: 0.5rem;
}

.formula-text.blue {
    color: #93c5fd;
}

.formula-text.purple {
    color: #c084fc;
}

.formula-vars {
    font-size: 0.875rem;
    color: #9ca3af;
}

/* Input Styles */
.inputs-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.inputs-container.hidden {
    display: none;
}

.input-row {
    display: flex;
    align-items: flex-end;
    gap: 1rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group.time-input {
    width: 25%;
}

.input-group.effort-input {
    flex: 1;
}

.input-label {
    display: flex;
    align-items: center;
    font-size: 0.875rem;
    font-weight: 500;
    color: #fff;
    gap: 0.5rem;
}

.label-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
}

.label-badge.blue { background: #3b82f6; }
.label-badge.purple { background: #a855f7; }
.label-badge.green { background: #22c55e; }
.label-badge.pink { background: #ec4899; }
.label-badge.yellow { background: #eab308; }
.label-badge.orange { background: #f97316; }

.tooltip-wrapper {
    position: relative;
    margin-left: 0.5rem;
}

.tooltip-icon {
    width: 1rem;
    height: 1rem;
    background: #4b5563;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: #fff;
    cursor: help;
    position: relative;
}

.tooltip-icon:hover {
    background: #6b7280;
}

.tooltip-text {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    background: #000;
    color: #fff;
    font-size: 0.75rem;
    padding: 0.5rem 0.75rem;
    border-radius: 0.25rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    z-index: 20;
}

.tooltip-icon:hover .tooltip-text {
    opacity: 1;
}

.time-box, .cost-box, .effort-box {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 0.5rem;
    padding: 0.75rem;
}

.time-box {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
}

.time-box input {
    width: 3rem;
    background: transparent;
    border: none;
    color: #fff;
    text-align: center;
    font-size: 1rem;
    outline: none;
}

.time-box span {
    color: #fff;
}

.cost-box {
    position: relative;
    display: flex;
    align-items: center;
}

.cost-box .dollar {
    position: absolute;
    left: 0.75rem;
    color: #9ca3af;
}

.cost-box input {
    width: 100%;
    padding-left: 1.5rem;
    background: transparent;
    border: none;
    color: #fff;
    text-align: center;
    font-size: 1rem;
    outline: none;
}

.effort-box {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.effort-slider {
    width: 100%;
    height: 0.5rem;
    background: linear-gradient(to right, #22c55e, #ef4444);
    border-radius: 9999px;
    outline: none;
    cursor: pointer;
    -webkit-appearance: none;
}

.effort-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background: #fff;
    cursor: pointer;
    border: 2px solid #a855f7;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.effort-slider::-moz-range-thumb {
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background: #fff;
    cursor: pointer;
    border: 2px solid #a855f7;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.effort-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: #9ca3af;
}

.effort-value {
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
}

.calc-btn-container {
    display: flex;
    justify-content: flex-start;
}

.calc-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.75rem;
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.calc-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 15px rgba(0,0,0,0.2);
}

.blue-btn {
    background: linear-gradient(to right, #3b82f6, #a855f7);
}

.blue-btn:hover {
    background: linear-gradient(to right, #2563eb, #9333ea);
}

.purple-btn {
    background: linear-gradient(to right, #a855f7, #ec4899);
}

.purple-btn:hover {
    background: linear-gradient(to right, #9333ea, #db2777);
}

/* Result Section */
.result-section {
    margin-top: 3rem;
    animation: slideIn 0.5s ease;
}

.result-section.hidden {
    display: none;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-card {
    max-width: 56rem;
    margin: 0 auto;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 1rem;
    padding: 2rem;
}

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

.result-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
}

.close-btn {
    background: none;
    border: none;
    color: #9ca3af;
    font-size: 2rem;
    cursor: pointer;
    transition: color 0.3s;
}

.close-btn:hover {
    color: #fff;
}

.result-value-container {
    text-align: center;
    margin-bottom: 2rem;
}

.result-value {
    font-size: 4.5rem;
    font-weight: 700;
    color: #fff;
    animation: pulse 1.5s ease infinite;
}

.result-recommendation {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 9999px;
    font-weight: 700;
    font-size: 1.25rem;
    margin-top: 1rem;
}

.result-recommendation.strong-go {
    background: linear-gradient(to right, #22c55e, #16a34a);
    color: #fff;
}

.result-recommendation.go {
    background: linear-gradient(to right, #3b82f6, #2563eb);
    color: #fff;
}

.result-recommendation.caution {
    background: linear-gradient(to right, #eab308, #ca8a04);
    color: #fff;
}

.result-recommendation.no-go {
    background: linear-gradient(to right, #ef4444, #dc2626);
    color: #fff;
}

.result-analysis {
    background: rgba(0,0,0,0.2);
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.result-analysis h4 {
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.75rem;
}

.result-analysis p {
    color: #d1d5db;
    line-height: 1.75;
}

.result-formula {
    text-align: center;
    color: #9ca3af;
    font-size: 0.875rem;
}

/* Other Sections */
.support-section, .testimonials-section, .legal-section, .privacy-section, .contact-section {
    padding: 5rem 1rem;
}

.support-section {
    background: linear-gradient(135deg, rgba(168,85,247,0.5), rgba(99,102,241,0.5));
}

.testimonials-section {
    background: linear-gradient(135deg, rgba(99,102,241,0.5), rgba(168,85,247,0.5));
}

.legal-section {
    background: linear-gradient(135deg, rgba(30,41,59,0.5), rgba(168,85,247,0.5));
}

.privacy-section {
    background: linear-gradient(135deg, rgba(168,85,247,0.5), rgba(30,41,59,0.5));
}

.contact-section {
    background: linear-gradient(135deg, rgba(30,41,59,0.5), rgba(168,85,247,0.5));
}

.section-content {
    max-width: 64rem;
    margin: 0 auto;
    text-align: center;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    background: linear-gradient(to right, #f9a8d4, #a855f7);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
}

.section-desc {
    font-size: 1.25rem;
    color: #d1d5db;
    max-width: 48rem;
    margin: 0 auto 3rem;
}

.section-date {
    color: #9ca3af;
    font-size: 0.875rem;
    margin-bottom: 3rem;
}

.support-box {
    background: linear-gradient(135deg, rgba(236,72,153,0.3), rgba(168,85,247,0.3));
    backdrop-filter: blur(16px);
    border-radius: 1rem;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.payment-method {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(0,0,0,0.3);
    border-radius: 0.75rem;
    padding: 1rem;
}

.payment-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-right: 1rem;
}

.payment-icon.blue { background: #3b82f6; }
.payment-icon.green { background: #22c55e; }
.payment-icon.purple { background: #a855f7; }

.payment-label {
    color: #fff;
    font-weight: 600;
    font-size: 1.125rem;
}

.payment-value {
    color: #93c5fd;
    font-family: monospace;
    font-size: 1.125rem;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 80rem;
    margin: 0 auto;
}

.testimonial-card {
    background: linear-gradient(135deg, rgba(59,130,246,0.3), rgba(99,102,241,0.3));
    backdrop-filter: blur(16px);
    border-radius: 1rem;
    padding: 2rem;
    text-align: left;
    border-left: 4px solid;
}

.testimonial-card.purple { border-left-color: #a855f7; }
.testimonial-card.pink { border-left-color: #ec4899; }
.testimonial-card.blue { border-left-color: #3b82f6; }
.testimonial-card.green { border-left-color: #22c55e; }

.testimonial-text {
    color: #d1d5db;
    font-style: italic;
    line-height: 1.75;
    margin-bottom: 1.5rem;
}

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

.author-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 1.125rem;
}

.author-avatar.purple { background: #a855f7; }
.author-avatar.pink { background: #ec4899; }
.author-avatar.blue { background: #3b82f6; }
.author-avatar.green { background: #22c55e; }

.author-name {
    color: #fff;
    font-weight: 600;
    font-size: 1.125rem;
}

.legal-content {
    text-align: left;
}

.legal-text h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #f9a8d4;
    margin: 2rem 0 1rem;
}

.legal-text p {
    color: #d1d5db;
    line-height: 1.75;
    margin-bottom: 1rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.contact-card {
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(59,130,246,0.3), rgba(99,102,241,0.3));
    backdrop-filter: blur(16px);
    border-radius: 1rem;
    padding: 1.5rem;
    text-align: left;
}

.contact-card.blue { background: linear-gradient(135deg, rgba(59,130,246,0.3), rgba(99,102,241,0.3)); }
.contact-card.green { background: linear-gradient(135deg, rgba(34,197,94,0.3), rgba(16,185,129,0.3)); }
.contact-card.purple { background: linear-gradient(135deg, rgba(168,85,247,0.3), rgba(236,72,153,0.3)); }

.contact-icon {
    width: 4rem;
    height: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-right: 1.5rem;
    flex-shrink: 0;
}

.contact-label {
    color: #9ca3af;
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.contact-value {
    color: #fff;
    font-weight: 600;
    font-size: 1.25rem;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, rgba(30,41,59,0.5), rgba(168,85,247,0.5));
    backdrop-filter: blur(16px);
    padding: 2rem 1rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-content {
    text-align: center;
    max-width: 64rem;
    margin: 0 auto;
}

.footer-text {
    color: rgba(255,255,255,0.6);
    margin-bottom: 0.5rem;
}

.footer-subtext {
    color: rgba(255,255,255,0.4);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .calc-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        gap: 1rem;
        font-size: 0.75rem;
    }
}

@media (max-width: 768px) {
    .landing-title {
        font-size: 2.5rem;
    }
    
    .hero-title, .hero-subtitle {
        font-size: 2rem;
    }
    
    .header-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .header-left {
        justify-content: center;
    }
    
    .header-right {
        justify-content: center;
    }
    
    .input-row {
        flex-direction: column;
    }
    
    .input-group.time-input {
        width: 100%;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* Utility Classes */
.hidden {
    display: none !important;
}
